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Circular or eliptically shaped retracting surface

Subclass of:

600 - Surgery

600184000 - SPECULA

600201000 - Retractor

600206000 - Having flexible, malleable or shape memory material

Patent class list (only not empty are listed)

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DocumentTitleDate
20130072759MEDICAL DEVICE AND METHOD FOR CONDUCTING A SURGERY THROUGH A BODY OPENING - A medical device and method for facilitating a surgery through a body opening is disclosed. The medical device includes a flexible member configured to be placed within the body opening so as to cover a portion of the body opening. The flexible member includes a distal end portion with a closed end, a proximal end portion with an open end and an elongate portion joining the proximal end portion and the distal end portion. The proximal end portion is configured to extend out of the patient's body opening to cover an area around and outside the patient's body opening.03-21-2013
20120245426ADJUSTABLE CANNULA - A cannula having a tubular body having a proximal end and a distal end and a central axis defined therethrough, a first protruding member coupled to a first region of the tubular body, and a second protruding member coupled to a second region of the tubular body. Further, the tubular body has a bore formed therethrough. Each of the first protruding member and the second protruding member are coupled to an outer surface of the tubular body. Finally, a length of the tubular body is adjustable along the central axis.09-27-2012
20120245429WOUND PROTECTOR INCLUDING POCKET FOR REUSABLE DISTAL RING - A surgical device is disclosed, the surgical device including a housing, a tube disposed on the housing, and an elongate member. The housing is adapted for insertion into an incision in tissue and defines a proximal end and a distal end. The tube extends distally from the proximal end of the housing to the distal end of the housing and further circumnavigates the distal end of the housing. The elongate member is insertable into the tube to provide additional rigidity to the tube. The housing has a first state prior to insertion of the elongate member and a second state after insertion of the elongate member. The distal end of the housing is collapsible when in the first state to facilitate insertion into the incision and has additional rigidity when in the second state for securing the housing within the incision.09-27-2012
20100145153SURGICAL RETRACTOR DEVICE AND METHOD OF USE - A surgical retractor device includes a frame and at least one retracting member configured for being secured to the collapsible frame. The retracting member is formed from a spring-biased rotatable member, a tension line secured at a proximal end to the spring-biased rotatable member, and a tissue securing member disposed at a distal end of the tension line. In certain embodiments, the surgical retractor may be collapsible and delivered laparoscopically to the resection site.06-10-2010
20100145152SURGICAL HAND ACCESS APPARATUS - A surgical access apparatus adaptable to permit the sealed insertion of either the surgeon's hand and/or surgical instruments during laparoscopic and endoscopic surgical procedures includes an access housing defining a longitudinal axis and having a first internal passageway configured and dimensioned to permit passage of at least one of a hand and an arm of a surgeon, and a base mountable to the access housing. The base may include a liner member positionable within an incision of a patient to at least partially line the incision. The liner member may have a first end for positioning within the body and a second end for positioning external of the body. A displacement member may be operatively connected to the access housing and to the second end of the liner member. The displacement member is adapted for movement to cause corresponding displacement of the second end of the liner member relative to the access housing whereby the liner member engages tissue forming the incision to at least partially retract the incision.06-10-2010
20120184821SURGICAL ACCESS APPARATUS AND METHOD - A device comprises an access port adapted to permit access of at least one surgical instrument into a patient. The access port comprises a proximal portion, a distal portion, and an intermediate portion monolithically formed of a flexible material. At least one opening extends through the access port. The proximal portion comprises a proximal flange. The distal portion comprises a distal flange. The intermediate portion comprises an outer surface and at least one inner surface. The access port is adapted to form a perimeter seal when the proximal flange is disposed exteriorly and the distal flange is disposed interiorly. The access port is adapted to form a seal with the at least one surgical instrument positioned through the access port. The intermediate portion conforms to the surface of the surgical instrument positioned through the at least one opening and forms the seal between the inner surface and the surgical instrument.07-19-2012
20130090532DIAPHRAGM ENTRY FOR POSTERIOR SURGICAL ACCESS - Methods and devices described herein facilitate improved treatment of body organs.04-11-2013
20130060095Vaginal Speculum - A vaginal speculum, conical in shape made out of clear plastic resin or metal that when closed can easily and gently be inserted into the introitus (vaginal opening). In certain embodiments, an obturator is used to introduce and/or expand the speculum. Various mechanisms are disclosed for dilating the speculum, after it has been inserted, so as to allow inspection of the patient's cervix. Such dilation can be effected relative to multiple axes, or even in substantially continuous, radial fashion about the periphery of the speculum, for improved visualization. In addition, this speculum has a handle that is oriented such that a vaginal exam can be performed on a standard exam table. The handle also includes a receptacle that receives a standard pen light. A light pipe directs light from the pen light to illuminate the cervix.03-07-2013
20120226105SURGICAL ACCESS APPARATUS AND METHOD - A surgical access device is adapted for performing laparoscopic surgical procedures with at least one instrument passing through the surgical access device and through an incision in the abdominal wall of a patient with the abdominal cavity pressurized with an insufflation gas. The surgical access device comprises an access seal. The material of the access seal is adapted to form a seal to generally maintain insufflation pressure within the abdominal cavity. At least one opening is formed through the material of the access seal between a proximal portion and a distal portion of the access seal. The at least one opening when operatively disposed is in communication with the incision and forms a working channel between a location external to the abdominal wall and a location internal to the abdominal wall. The material of the access seal conforms to a surface of an instrument inserted through the working channel.09-06-2012
20130066160CANNULA FOR RECEIVING SURGICAL INSTRUMENTS - A cannula (03-14-2013
20130066161SURGICAL HAND ACCESS APPARATUS - A surgical access apparatus includes a liner base and an access housing for positioning outside the body. The liner base includes an inner member adapted for insertion through an opening within body tissue for positioning within the body; a sleeve member connected to the inner member and dimensioned to extend from the inner member through the opening within the body tissue, and a plurality of tensioning elements connected to the inner member and associated with the sleeve member to impart a tensioning effect on the sleeve member. The access housing includes a first element and a second element. The second element is operatively connected to the tensioning elements and adapted for rotational movement relative to the first member to cause the tensioning elements to displace the inner member toward the access housing and to cause the sleeve member to engage and retract tissue defining the opening within the body.03-14-2013
20130066158Fabric Retraction Device and Method for Minimally Invasive Surgery - The present invention is directed to methods and instruments for performing tissue retraction in minimally invasive spinal surgery. Another specific application includes surgical methods performed through the percutaneously retracted tissue at any location in a patient's body. The tissue retraction is provided by an elongated sleeve formed from fabric materials, which may include the ability to stretch beyond their original length along at least one axis, for passage of instruments or implants.03-14-2013
20130066159METHOD FOR SECURING VERTEBRAE - A surgical access system for accessing a surgical target site within a spine includes a retractor and an elongated element. The refractor has a closed configuration defining a lumen with an internal circumference, and an open configuration in which the internal circumference, at least at the distal end of the retractor, is enlarged relative to said closed configuration. The open configuration creates and maintains an operative corridor to said target site. The elongated element is releasably coupled to an interior wall of the retractor and has an extension extending distal of the distal end of the retractor into the surgical target site. When coupled to the retractor, the elongated element covers a body structure at the target site without blocking access to the operative corridor.03-14-2013
20120197087SURGICAL PORTAL WITH SEAL SYSTEM - A surgical seal system is adapted for use with a cannula assembly having a cannula housing and a cannula sleeve extending from the cannula housing. The surgical seal assembly includes a seal assembly and an adapter assembly. The seal assembly is mountable to the cannula housing. The seal assembly includes a seal housing and a seal defining inner portions adapted to form a substantial seal about an instrument with a first cross-sectional dimension. The adapter assembly includes an adapter body adapted for releasably coupling to the seal housing of the seal assembly. The adapter body has an adapter seal and a tether. The adapter seal is adapted to form a substantial seal about an instrument with a second cross-sectional dimension less than the first cross-sectional dimension. The tether is mountable to the cannula sleeve thus securing the adapter assembly to the cannula.08-02-2012
20120116171ACCESS ASSEMBLY WITH SPHERICAL VALVE - A surgical portal apparatus includes a portal member dimensioned to access tissue and having a longitudinal passageway therethrough to permit access to underlying tissue, and defining leading and trailing ends, a seal housing associated with the portal member and a seal mount at least partially disposed within the seal housing. The seal mount is adapted for rotational movement within the seal housing. The seal mount includes an instrument seal adapted to establish a substantial sealed relation with a surgical object introduced within the longitudinal passageway and a closure valve adapted to substantially close the longitudinal passageway in the absence of the object.05-10-2012
20120238826TRANS-RECTUM UNIVERSAL PORTS - Various universal ports for installation into a colon are disclosed. Various embodiments include expandable port bodies that may employ selectively deployable tissue-engaging barbs for securing the port in position within the colon. Some embodiments also employ tissue cutting members that may be deployed to sever the colon. Some embodiments also employ a flexible sleeve that may extend from the port out through the anus to provide a passageway for passing surgical instruments and into and out of the rectum and also for removing severed specimens therefrom.09-20-2012
20120123216CANNULA SYSTEM - A cannula system is described. The cannula system may be formed of biocompatible materials that are suitable to be sterilized. Accordingly, the cannula system may be reusable for a relatively large number of surgical procedures assuming conventional sterilization techniques are employed after each surgical procedure. Additionally, the cannula system may be provided with an internal valve system disposed in a port portion thereof wherein the valve system may be operable to receive the trocar there through, as well as maintaining insufflation of the body cavity. Furthermore, the cannula system may be provided with a plurality of rib members formed on an external surface of the cannula shaft, wherein the rib members may engage the tissues adjacent the incision, thus maintaining the position of the cannula shaft and reducing and/or lessening relative movement of the cannula shaft.05-17-2012
20110144446WOUND RETRACTOR - An incrementally adjustable wound retractor (06-16-2011
20110144445ACCESS ASSEMBLY WITH RIBBED SEAL - A ribbed seal for use in endoscopic surgery is intended to be incorporated into a cannula assembly to limit the escape of insufflation gasses from a body cavity by forming a fluid-tight seal around an instrument inserted through the cannula assembly. The ribbed seal includes a relatively flat, disk shaped elastomeric overmold portion having a central aperture sized slightly smaller than the instrument such that the aperture must expand to accommodate the instrument. Molded together with the elastomeric overmold is an array of slender ribs disposed about the aperture. The ribs are designed to be relatively flexible under lateral loads. This allows the seal to bend easily as the surgical instrument is inserted through the aperture thereby maintaining a low insertion and glide force. On the other hand, the ribs are designed to be relatively rigid when loaded axially. This rigidity provides robust radial support for the instrument inserted through the center of the array of ribs. The seal performs a centering function for the instrument due to its combined elasticity and stiffness. Finally, the seal also allows for an instrument to be removed easily while maintaining the required atmospheric integrity.06-16-2011
20110282157SURGICAL ACCESS SYSTEM - The invention is directed to a surgical access system that provides access to a surgical area while maintaining pneumoperitoneum during laparoscopic surgery. The access system comprises a sheath retractor adapted to dilate a wound stretchable to a desired diameter and a detachable seal adapted to be removable from the sheath retractor. In another aspect, the detachable seal comprising a valve including a plurality of overlapping sheets defining an access channel that extends into communication with the incision in the patient. Each of the overlapping sheets includes a portion of the perimeter that is not fixed to the inner diameter of the ring, which provide open edges defining the access channel.11-17-2011
20110282156EXPANDABLE TRANSLUMINAL SHEATH - Disclosed is an expandable transluminal sheath, for introduction into the body while in a first, low cross-sectional area configuration, and subsequent expansion of at least a part of the distal end of the sheath to a second, enlarged cross-sectional configuration. The distal end of the sheath is maintained in the first, low cross-sectional configuration and expanded using a radial dilatation device. In an exemplary application, the sheath is utilized to provide access for diagnostic or therapeutic procedures such as ureteroscopy, cardiac electrophysiology, gastroenterology, and spinal access.11-17-2011
20130023733Retractable Cannula for Surgical Procedures - A cannula assembly having a plurality of outwardly-biased flexible fins capable of inward movement such that the fins converge upon insertion of a trocar device. The fins include a slot formed therein, with a corresponding raised feature on the trocar shaft capable of engaging the slots. Inward movement of the trocar within the cannula lumen causes the fins to converge. An additional embodiment utilizes outwardly-biased flexible fins that lock together in a closed position, with corrugated features in the fin inner surface that contact the trocar shaft such that, upon insertion of the trocar, the fins unlock and splay outward.01-24-2013
20110124972INTRODUCER SEAL ASSEMBLY - A unique surgical system and method of use includes a seal assembly which is initially mountable about a surgical instrument. The surgical instrument with mounted seal assembly is thereafter positioned within a cannula assembly. The seal assembly forms a fluid tight seal within the interior of the cannula assembly while also forming a fluid tight seal about the surgical instrument. The seal assembly and the cannula assembly cooperate to permit angulation of the surgical instrument. A magnetic coupling assists in retaining the seal assembly within the cannula assembly.05-26-2011
20110295076ACCESS APPARATUS WITH SHALLOW ZERO CLOSURE VALVE - A surgical access assembly for use with a surgical access device includes a housing defining a central longitudinal axis, an elongate access member extending from the housing whereby the housing and the access member having a longitudinal passage dimensioned to permit passage of a surgical instrument, an instrument seal disposed within the housing and being adapted to establish a substantial fluid tight seal about the instrument and a zero closure valve mounted relative to the housing and being adapted to assume an open condition upon passage of the surgical instrument and a substantially closed position in the absence of the instrument. The zero closure valve includes a valve periphery and first and second lips depending from the valve periphery. The first and second lips have lip edge surfaces in juxtaposed relation to define a slit when the valve is in the closed position thereof. At least one of the lips has a general arcuate internal lip surface leading to the lip edge surface to define a sloping configuration dimensioned to facilitate passage of the surgical instrument through the valve. Each of the first and second lips may define a general arcuate lip surface. In one embodiment, the internal arcuate lip surface of each of the first and second lips includes an outer surface portion arranged at a first angle relative to the longitudinal axis of the seal housing and an inner surface portion arranged at a second angle relative to longitudinal axis and being different from the first angle. The first angle is greater than the second angle.12-01-2011
20100249527HAND ACCESS LAPAROSCOPIC DEVICE - The invention relates to a hand access laparoscopy device having a gelcap, a retainer, a sleeve and a retention ring. The gelcap includes gel that is bonded to a cap. The cap includes an inner cylindrical wall to which the gel in bonded, thereby providing a sealing area between the device and the wound in a body wall. By securing the gel to the inner cylindrical wall, the thickness of the gel and corresponding cap is minimized along with the overall footprint of the device. With the gel thickness reduced and able to be substantially flush, the “doming” phenomenon produced by insufflation of a patient's abdomen is reduced.09-30-2010
20100249526Access Device With Insert - Various devices and methods are provided with respect to inserting multiple surgical instruments through a single surgical access device. A medical device including a flexible tissue retractor and a releasable insert having multiple instrument openings is disclosed. The insert can be in the form of an insert assembly including multiple components. A method of using the insert is also described.09-30-2010
20100249525DEVICES AND METHODS FOR PROVIDING ACCESS INTO A BODY CAVITY - Methods and devices are provided for accessing a body cavity. In general, a surgical access device is provided that can include a retractor that forms a working channel through tissue, a seal housing for sealing the working channel and/or forming a seal around an instrument inserted therethrough, and a flexible suspension member that is configured to suspend the seal housing within the body cavity or allow the seal housing to extend beyond the distal end of the retractor.09-30-2010
20120108905PORTAL APPARATUS WITH A CONTOURED COMPLIANT SEAL - The present disclosure relates to a contoured instrument seal for arthroscopic, laparoscopic and endoscopic surgery. The contoured instrument seal includes a body, an annular inner edge, an annular outer edge, and one or more raised concentric rings, e.g., having a spiral shape. The body includes a top surface and a bottom surface. The annular inner edge defines an opening adapted to receive a surgical instrument. The annular outer edge may be adapted to mechanically mount to an inner portion of a seal housing. The raised concentric ring is defined on a surface of the resilient body between the annular inner edge and the annular outer edge.05-03-2012
20100113882SURGICAL ACCESS PORT WITH MULTILAYERED TORTUOUS PATH SEAL - A surgical access device includes a wound protector and an instrument seal. The instrument seal comprises a plurality of resilient membranes each having a plurality of parallel slits. The membranes are stacked relative one another to create a tortuous path preventing insufflatory gases from escaping through the instrument seal.05-06-2010
20090036745INSTRUMENT ACCESS DEVICE - An instrument access device comprises at least a first instrument seal 02-05-2009
20110270040PLANNING FOR CURVATURE INTERACTIONS, MULTIPLE RADII OF CURVATURE AND ADAPTIVE NEIGHBORHOODS - Planning deployment of a medical robot based on concentric cannulas takes into account multiple radii of curvature. The radii of curvature are dependent on tube diameter. Tubes of smaller diameter can have tighter radii of curvature. Planning also takes into account moment of inertia and elasticity of tubes. For the purposes of planning, an A* algorithm is used for cost wave propagation together with a configuration space, a cost metric, and a neighborhood. The neighborhood is adaptive. The adaptive neighborhood can be different for each node in the configuration space data structure and depends on curvature affecting properties of individual tubes used to achieve a path from a most distal point to a most proximal point within a body to be examined.11-03-2011
20110224495SURGICAL ACCESS PORT - A surgical access port apparatus includes a portal member including an outer wall defining a longitudinal axis and having a proximal end, a distal end, and a lumen configured to allow a surgical instrument to pass therethrough and a securing member operatively connected to the distal end of the outer wall of portal member. The securing member is movable with respect to the portal member between an initial at least partially coiled condition defining a first transverse dimension and an activated condition defining a second transverse dimension greater than the first transverse dimension to engage body tissue to assist in retaining the portal member within the body tissue.09-15-2011
20100274095EXPANDING CANNULA AND RETRACTOR DEVICE AND METHODS OF USE - Expanding cannula and retractor devices and methods of use are provided. An expanding cannula and retractor device includes a first tube, a second tube positioned within the first tube, and an expandable continuous membrane connecting distal portions of the first and second tubes. The membrane can expand into an annulus based on the movement of the second tube relative to the first tube in order to contact tissue and maintain the position of the device.10-28-2010
20100261975METHODS AND DEVICES FOR ACCESSING A BODY CAVITY - Methods and devices are provided for accessing a body cavity. In one embodiment, a surgical access device is provided that includes a housing having at least one access or sealing port for receiving a surgical instrument, and a retractor removably coupled to the housing and having a working channel configured to extend into a body cavity. The housing can include releasably matable upper and lower portions, with the upper portion being configured to freely rotate 360° relative to the lower portion and to the retractor when the housing is mated thereto.10-14-2010
20100261974METHODS AND DEVICES FOR PROVIDING ACCESS INTO A BODY CAVITY - Methods and devices are provided for providing surgical access into a body cavity. In one embodiment, a surgical access device is provided that includes a proximal housing and a distal retractor. At least one stability thread can extend around a perimeter of at least a portion of the distal retractor. In some embodiments, the stability thread can be mechanically adjustable to change a diameter of the distal retractor.10-14-2010
20110060193SPLIT HOOP WOUND RETRACTOR - An incrementally adjustable wound retractor, which provides access to a body cavity, includes an inner ring having a diameter greater than the desired diameter of the wound incision, an outer ring having an annular axis and a diameter greater than the desired diameter of the wound incision, and a flexible sleeve disposed in a generally cylindrical form between the inner and outer rings. The outer ring includes first and second circular tubes spaced apart axially with each including a lumen having a rigid, noncompliant split hoop placed therein. The outer ring may be rolled over itself and around the annular axis to retract the sleeve with sufficient force to stretch the incision to the desired diameter. A gel cap seal may be coupled to the outer ring outside of the biological body to seal the opening produced by the wound retractor between the body cavity and outside the body cavity.03-10-2011
20100240960FLEXIBLE PORT SEAL - A flexible port seal is provided for use in single incision surgery and includes an outer seal defining a bore extending from a proximal end of the outer seal to a distal end of the outer seal. A support plate is located within the bore of the outer seal and one or more throughports are attached to the support plate for receipt of a surgical instrument. The throughports form a fluid tight seal with cannulas and/or surgical instruments inserted through the throughports. The flexible port seal is formed of a compressible or flexible material to facilitate insertion through the single incision in the patient and allow for movement of the surgical instruments relative to the seal to independently orient each of the surgical instruments.09-23-2010
20100210914CIRCULAR SURGICAL RETRACTOR - A wound retractor for retracting a surgical incision includes an inner ring, an outer ring and a distensible sleeve coupled to the inner and outer rings. The outer ring includes at least a pair of circular tubes coupled to each other. At least one of the circular tubes includes a lumen and a split that forms open ends. A noncompliant tubular hoop having a split therein is positioned in the lumen. The tubular hoop is oriented with its open ends positioned away from the split of the circular tubes. A core is positioned in the lumen of the tubular hoop. The core has a first end and a second end and is oriented with the ends positioned away from the split in the tubular hoop. The circular tubes may be parallel or may form a helical pattern similar to a Mobius strip.08-19-2010
20110130633CIRCULAR SURGICAL RETRACTOR - A wound retractor for retracting a surgical incision includes an inner ring, an outer ring and a distensible sleeve coupled to the inner and outer rings. The outer ring includes at least a pair of circular tubes coupled to each other. At least one of the circular tubes includes a lumen and a split that forms open ends. A noncompliant tubular hoop having a split therein is positioned in the lumen. The tubular hoop is oriented with its open ends positioned away from the split of the circular tubes. A core is positioned in the lumen of the tubular hoop. The core has a first end and a second end and is oriented with the ends positioned away from the split in the tubular hoop. The circular tubes may be parallel or may form a helical pattern similar to a Mobius strip.06-02-2011
20110028794METHODS AND DEVICES FOR PROVIDING ACCESS INTO A BODY CAVITY - Methods and devices are provided for providing surgical access into a body cavity. In one embodiment, a surgical access device is provided that includes a housing having multiple access ports for receiving surgical instruments, and a retractor removably coupled to the housing and having a working channel configured to extend into a body cavity. With the housing and retractor mated together, a portion of the housing through which instruments can be inserted can rotate relative to the retractor. The retractor can be positioned in tissue using an inserter tool configured to seat the retractor and to automatically release the retractor into position within the tissue. The retractor can be removed from the tissue using a cord coupled to the retractor.02-03-2011
20120245428SURGICAL ACCESS ASSEMBLY WITH ADAPTER - A surgical access assembly is disclosed, including a resiliently compressible access port defining a longitudinal axis and having proximal and distal ends. At least one lumen extends from the proximal end to the distal end of the access port and is substantially parallel to the longitudinal axis. The surgical access assembly includes a resiliently compressible adapter having proximal and distal ends, an opening at the proximal end, and a passage for receipt of the access port. The adapter has a diameter at its distal end different from the diameter of the distal end of the access port. The adapter has at least one opening in its distal end to allow an object to exit the at least one lumen. The surgical access assembly may also include a sleeve positionable through an opening in tissue.09-27-2012
20130137933ACCESS ASSEMBLY - A surgical access assembly including a base and an elongated member extending from the base. The bass defines a central axis and has an opening for receipt, of a surgical instrument. The elongated member defines a passageway for passage of at least a portion of the surgical instrument and is adapted to assume a substantially rolled configuration in a normal unstressed condition thereof When in the rolled configuration, the elongated member is rolled transverse to the central axis.05-30-2013
20110172493WOUND RETRACTOR WITH GEL CAP - An incrementally adjustable wound retractor, which provides access to a body cavity, includes an inner ring having a diameter greater than the desired diameter of the wound incision, an outer ring having an annular axis and a diameter greater than the desired diameter of the wound incision, and a flexible sleeve disposed in a generally cylindrical form between the inner and outer rings. The outer ring includes first and second circular tubes spaced apart axially with each including a lumen having a rigid, noncompliant split hoop positioned therein. The outer ring may be rolled over itself and around the annular axis to retract the sleeve with sufficient force to stretch the incision to the desired diameter. A gel cap seal may be coupled to the outer ring outside of the biological body to seal the opening produced by the wound retractor between the body cavity and outside the body cavity.07-14-2011
20110028793METHODS AND DEVICES FOR PROVIDING ACCESS INTO A BODY CAVITY - Methods and devices are provided for providing surgical access into a body cavity. In one embodiment, a surgical access device is provided that includes a housing having multiple access ports for receiving surgical instruments, and a retractor removably coupled to the housing and having a working channel configured to extend into a body cavity. With the housing and retractor mated together, a portion of the housing through which instruments can be inserted can rotate relative to the retractor. The retractor can be positioned in tissue using an inserter tool configured to seat the retractor and to automatically release the retractor into position within the tissue. The retractor can be removed from the tissue using a cord coupled to the retractor.02-03-2011
20110034778ELONGATED SEAL ANCHOR FOR USE IN SURGICAL PROCEDURES - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity includes a seal anchor member comprising a compressible material and being adapted to transition between a first expanded condition to facilitate securing of the seal anchor member within the tissue tract and in substantial sealed relation with tissue surfaces defining the tissue tract and a second compressed condition to facilitate at least partial insertion of the seal anchor member within the tissue tract. The seal anchor member has proximal and distal ends defining elongated perimeters. At least one port extends between the proximal and distal ends and is adapted for reception of an object whereby compressible material defining the at least one port is adapted to deform to establish a substantial sealed relation with the object.02-10-2011
20110124970FOAM PORT DEVICE HAVING CLOSED-END LUMENS - A surgical apparatus includes a seal anchor member. The seal anchor member includes a leading end, a trailing end, and at least one longitudinal port extending between the two ends. The at least one longitudinal port is dimensioned for reception of a surgical object. One end of the at least one longitudinal port is closed by a membrane, which can be pierced through by a sharp-pointed device. The at least one longitudinal port further includes at least one lip therein. The at least one lip is configured to establish a substantially sealed relation with the surgical object entered therethrough, thereby inhibiting the loss of insufflation gas between the at least one longitudinal port and the surgical object.05-26-2011
20110124973IRIS SEAL FOR SINGLE INCISION SURGERY - The present disclosure is directed to a surgical portal apparatus for use during a minimally invasive procedure. In one aspect, the apparatus includes a housing and a portal member extending distally from the housing, defining a longitudinal axis. The apparatus also has an iris seal including a plurality of leaf members, disposed within the housing. The leaf members are adapted for pivoting relative to the housing, to control the dimensioning of a passage in response to the insertion of a surgical object. The leaf members are not directly linked to each other to provide for off-axis movement of the surgical object. The apparatus further includes an actuation mechanism, including a motor and a sensor, operatively connected to the leaf members and adopted for movement upon the introduction of the surgical object.05-26-2011
20110124971PORTAL ASSEMBLY WITH MULTI-SEAL SYSTEM - A surgical portal assembly is provided and includes a portal housing and a portal member mounted to the portal housing. The portal member dimensioned for positioning within tissue to access an underlying surgical site. The portal housing and portal member define a central longitudinal axis and a longitudinal passageway for passage of a surgical object. A seal mount is mounted to the portal housing and includes first and second seal members. Each of the first and second seal members has inner surfaces defining a passage for reception of the surgical object in substantial sealed reception. The first seal member adapted for angulating movement relative to the central longitudinal axis upon angulation of the surgical instrument while substantially maintaining the sealed reception of the surgical object. The second seal member being generally fixed from angulating movement.05-26-2011
20110152626SEAL ASSEMBLY FOR SURGICAL ACCESS DEVICE - Seal assemblies are provided, comprising a seal holder including a cylindrical wall portion that defines a central passage. The seal assembly comprises a seal supported in the central passage of the seal holder. The seal has a substantially spherical configuration and includes a distal aperture and a proximal aperture, wherein the distal and/or proximal aperture is dimensioned for substantial sealed reception with a surgical instrument. The seal is adapted for angular movement relative to a central longitudinal axis of the seal holder upon angulation of the surgical instrument, whereby the seal substantially maintains a sealed relationship with the surgical instrument. The seal assembly comprises a seal cover defining an aperture formed in a transverse wall thereof. The seal cover is configured for connection with the seal holder for maintaining the seal within the central passage of the seal holder.06-23-2011
20120245430ACCESS PORT WITH INTEGRATED FLEXIBLE SLEEVE - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity is adapted to tissues having different thicknesses. The surgical apparatus includes an anchor member and a flexible sleeve integrated with the anchor member. The anchor member defines at least one longitudinal port for reception of a surgical instrument. The surgical apparatus defines an adjustable length to accommodate tissues with different thicknesses.09-27-2012
20120245427SURGICAL RETRACTOR INCLUDING ROTATABLE KNOBS - A surgical access port is provided for insertion through an incision formed in a body wall of a patient. The surgical access port generally includes a sleeve assembly having a folding assembly provided at a proximal end of the sleeve assembly. The sleeve assembly includes a flexible sleeve and a flexible distal ring provided at a distal end of the flexible sleeve. A proximal end of the sleeve assembly includes a pocket formed in the sleeve material. The folding assembly is located in the pocket and generally includes a proximal ring and one or more ring knobs rotatably mounted on the proximal ring. Locking structure, in the form of a ratchet and pawl mechanism, may be provided to secure the ring knobs in position relative to the proximal ring.09-27-2012
20100063364INSTRUMENT INSERTION DEVICE - An instrument insertion device (03-11-2010
20110082344SURGICAL ACCESS ASSEMBLY - A surgical access assembly for use during a surgical procedure includes a housing, an access member extending distally from the housing and being dimensioned for positioning within tissue and a seal assembly disposed within the housing. The seal assembly includes first and second seal components operatively coupled to each other. Each of the first and second seal components includes respective seal members defining a respective passage for passage of a surgical object. The first seal component is adapted for rotational movement about the longitudinal axis and relative to the second seal component. The first seal component may be capable of relative rotation between a first position, in which the passages of the first and second seal members are in substantial longitudinal alignment, and a second position in which the passages of the first and second seal members are radially offset to inhibit the communication of fluid through the seal assembly.04-07-2011
20120203073Endoluminal Access Device - A surgical access apparatus for providing access inside a body includes a housing having a first port, a tubular member extending distally from the housing and defining a longitudinal axis therealong, wherein the tubular member includes a lumen extending therethrough. a shaft insert disposed in the lumen of the tubular member, wherein the shaft insert forms first, second, and third passageways extending along the lumen of the tubular member, wherein each of the first, second, and third passageways is adapted to receive a surgical instrument; and a first seal assembly covering the first port of the housing and defining a first passage disposed in communication with the first passageway defined by the shaft insert in the tubular member, wherein the first seal assembly is adapted to form a seal around the surgical instrument inserted through the first passage of the first seal assembly.08-09-2012
20100113883SURGICAL ACCESS PORT WITH ADJUSTABLE RING GEOMETRY - A surgical access device has an instrument seal. A wound protector is connectable to the instrument seal. The wound protector comprises a distal ring, a proximal ring, and a resilient sleeve extending between the distal and proximal rings. The diameter of the distal ring is adjustable between a retracted position and an expanded position.05-06-2010
20120203072Apical Instrument Port - The invention is directed to a method of treating a patient's heart. In this method an instrument port is secured within a passageway through a wall of an apical region of the patient's heart to allow the passage of a treatment instrument. A number of minimally invasive procedures may be performed within the patient's heart08-09-2012
20090137879SURGICAL ACCESS APPARATUS AND METHOD - A surgical access device includes a single valve that forms a seal with the body wall and provides an access channel into a body cavity. The valve has properties for creating a zero seal in the absence of an instrument as well as an instrument seal with instruments having a full range of instrument diameter. The valve can include a gel and preferably an ultragel comprised of an elastomer and an oil providing elongation greater than 1000 percent and durometer less than 5 Shore A. The single valve can be used as a hand port where the instrument comprises the arm of a surgeon, thereby providing hand access into the cavity.05-28-2009
20120149988Self-Sealing Surgical Tool - A surgical tool that is self sealing. The surgical tool includes a body and a sealing disc. The body includes a tube positioned at a distal end and a hub at a proximal end. Furthermore, the body includes a sealing disc receiving space positioned through a sidewall of the hub. The sealing disc is securable within the sealing disc receiving space.06-14-2012
20080281162SURGICAL RETRACTOR - A surgical access device has a surgical retractor having a noncompliant outer ring with an annular axis, an inner ring, and a sleeve coupling the outer ring to the inner ring. The noncompliant outer ring is adapted to roll over itself around the annular axis to roll the sleeve around the outer ring to retract and seal an opening in a biological body wall. The access device may include a lid adapted for being coupled to the noncompliant outer ring of the surgical retractor. The outer ring of the surgical retractor has a cross-sectional shape that prohibits the lid from being partially or incorrectly coupled to the outer ring of the surgical retractor.11-13-2008
20110257487Lateral and Anterior Lateral Retractor System - A novel surgical lateral retraction system is provided, including a delivery device and retractor blades. The delivery device includes a shaft having distal and proximal portions and a plurality of engaging features extending along the distal portion of the shaft. The engaging features are sized and configured to slidingly engage the retractor blades, wherein each retractor blade may be attached to the shaft independently by sliding onto one of the engaging features. The shaft may include first and second curved surfaces on either side of at least one of the engaging features, wherein the first and second curved surfaces are sized and configured to correspond to retractor curved surfaces located on either side of a central channel of a retractor blade.10-20-2011
20120277539WOUND RETRACTOR - An incrementally adjustable wound retractor (11-01-2012
20110054260MULTI-FUNCTIONAL SURGICAL ACCESS SYSTEM - A surgical access system comprises a wound retractor comprising an outer anchor, an inner anchor, and a flexible, tubular sheath extending therebetween. Embodiments of the outer anchor comprise an outer ring rotatable around an annular axis thereof, thereby rolling the sheath therearound when retracting an incision or opening in a body wall. The sheath comprises a plurality of fibers or strands that improve the abrasion and puncture resistance thereof. Consequently, the surgical access system is useful in procedures in which damage to the sheath is likely, for example, orthopedic hip replacement, and spinal procedures. In some embodiments, the sheath tapers from the outer ring to the inner ring.03-03-2011
20110196207INTRODUCER SEAL ASSEMBLY - A seal assembly for use with an access device includes a seal housing defining a central longitudinal axis, an inner wall and an outer wall. The inner wall defines a longitudinal opening to permit passage of instrumentation through the seal housing. A gimbal mount is at least partially accommodated within a space defined between the inner wall and the outer wall of the seal housing. The gimbal mount includes a seal member defining an aperture for substantial sealed reception of a surgical instrument. The gimbal mount is adapted for angular movement relative to the central longitudinal axis upon angulation of the surgical instrument while substantially maintaining the sealed reception of the surgical instrument.08-11-2011
20110190590MULTI-LUMEN ACCESS PORT - An access device includes a body, a first tube, a second tube, and a mechanism. The first and second tubes extend through the body. The mechanism operably couples the first and second tubes such that at least one tube is pivotable about an axis with respect to the other tube. The body may form a substantially fluid-tight seal at the incision. In another embodiment, the access device further includes a third tube extending through the body and the mechanism operably couples the tubes together such that at least two tubes are pivotable about the axis with respect to the remaining tube.08-04-2011
20110190589SURGICAL ACCESS APPARATUS WITH SEAL AND CLOSURE VALVE ASSEMBLY - A surgical access apparatus includes an access housing, an access member extending from the access housing, a seal mount disposed within the access housing and having an object seal for forming a seal about the surgical object and a monolithic closure valve mounted to the housing distal of the seal mount. The access housing and the access member define a longitudinal passage for passage of a surgical object. The closure valve includes an interface segment and a closure segment extending from the interface segment. The interface segment is in contacting relation with the seal mount and comprises a generally compliable material adapted to maintain a substantial seal with the seal mount and within the longitudinal passageway during angular movement of the surgical object.08-04-2011
20110201893EXPANDABLE THORACIC ACCESS PORT - A surgical access assembly includes a body having first and second side panels opposing one another and first and second end panels interconnecting the side panels. The first and second end panels are moveable between a folded position and an expanded position to correspondingly move the first and second side panels with respect to one another between an approximated position and a spaced apart position. In the spaced apart position, the first and second side panels are flexed outwardly and apart from one another to define a passageway therebetween. A flexible membrane is coupled to the first and second side panels and extends proximally therefrom.08-18-2011
20110152625SURGICAL PORTAL WITH ROTATING SEAL - A surgical portal apparatus includes a portal housing, a portal sleeve, and a seal. The portal housing defines a central housing axis and a central housing channel. The portal sleeve extends from the portal housing and is dimensioned to pass through tissue to provide access to underlying tissue via a longitudinal opening. The central housing channel of the portal housing and the longitudinal opening of the portal sleeve define a passageway for reception and passage of a surgical object. The seal has inner surfaces defining a seal passage for establishing a general sealed relation about the surgical object. The seal passage is radially offset with respect to the central housing axis. The seal is adapted to rotate about the central housing axis to vary positioning of the seal passage to substantially maintain the substantial sealed relation upon manipulation of the surgical object within the portal housing.06-23-2011
20120041270MOLDED AND UNDIVIDED MEDICAL PENETRATING DEVICE - A molded and undivided medical penetrating device comprises a first portion and a second substantially tubular portion having an outer surface, a proximal end and a distal end. The proximal end of the second substantially tubular portion of the device is joined to and is integral with the first portion of the device and is adapted to be maintained essentially outside a body while the first portion of the device is adapted to be retained within the interior of the body. The device includes an opening that extends through the first and second portions of the device and provides access to the interior of the body from outside the body. The opening and the outer surface of the substantially tubular second portion of the device define a wall that is thinner at the proximal end of the second portion than towards the distal end of the second portion.02-16-2012
20110112374HAND ACCESS LAPAROSCOPIC DEVICE - The invention relates to a hand access laparoscopy device having a gelcap, a retainer, a sleeve and a retention ring. The gelcap includes gel that is bonded to a cap. The cap includes an inner cylindrical wall to which the gel in bonded, thereby providing a sealing area between the device and the wound in a body wall. By securing the gel to the inner cylindrical wall, the thickness of the gel and corresponding cap is minimized along with the overall footprint of the device. With the gel thickness reduced and able to be substantially flush, the “doming” phenomenon produced by insufflation of a patient's abdomen is reduced.05-12-2011
20120041271SURGICAL ACCESS APPARATUS - An access apparatus for use during a surgical procedure to provide access to the interior of the body includes an access member defining a longitudinal axis and having a proximal end for being disposed at an exterior side of the body and a distal end for extending into the interior of the body. The access member has a bore therethrough dimensioned to permit passage of an object. A seal is disposed within the bore of the access member. The seal includes a fabric material and an elastomeric material, and defines an internal passageway dimensioned to form a substantial sealing relation with an object inserted therethrough.02-16-2012
20120004510SURGICAL ACCESS APPARATUS AND METHOD - An access system comprises an access device. The access device is adapted to be disposed within an opening in a body wall. The access device has an external flange adapted to be disposed external to the body wall and an internal flange adapted to be disposed internal to the body wall. Holes extend through the access device between an external surface and an internal surface of the access device. The holes span the thickness of the body wall between a location external to the body wall and a location internal to the body wall. The access device is formed of an elastomeric material adapted to conform to surfaces of instruments inserted through the holes to form instrument seals along at least a portion of a length spanning the thickness of the body wall. The elastomeric material is compressible and adapted to form a seal with the body wall.01-05-2012
20120209078COMPLIANCE ACCESS DEVICE INCLUDING PROXIMAL ADHESIVE PATCH - A compliant, e.g., foam, access device for positioning within a tissue tract for accessing an underlying body cavity includes a proximal portion, a distal portion, a body portion interconnecting the proximal and distal portions, and at least one port extending therethrough. The proximal portion includes a tissue facing surface and defines a first radial dimension. The distal portion extends longitudinally along an axial length and defines a second radial dimension that is substantially uniform along the axial length and smaller than the first radial dimension of the proximal portion. An adhesive is disposed on the tissue facing surface of the proximal portion for releasably securing and sealing the proximal portion to a tissue surface.08-16-2012
20110166425Flexible Disposable Surgical Port - A surgical apparatus for introduction of laparoscopic instruments into an anatomical cavity through tissue at an entry site. The apparatus includes a body with a frustoconical-shaped wall. The body defines an interior cavity, an open bottom, and a substantially closed top wall with openings from which a plurality of ports extend upward therefrom. The ports are adapted to receive the laparoscopic instruments for introduction through the interior cavity and open bottom of the body into the anatomical cavity. In the preferred embodiment, the frustoconical-shaped wall of the body is placed through an incision in the umbilicus. In one aspect of the invention, the body is a unitary one-piece molded structure. A reinforcing belt or plate formed from a relatively hard material can be integral to the body, and separately formed port caps each having a septum may be bonded to the ports.07-07-2011
20110166424SPLIT HOOP WOUND RETRACTOR WITH GEL PAD - An incrementally adjustable wound retractor, which provides access to a body cavity, includes an inner ring having a diameter greater than the desired diameter of the wound incision, an outer ring having an annular axis and a diameter greater than the desired diameter of the wound incision, and a flexible sleeve disposed in a generally cylindrical form between the inner and outer rings. The outer ring includes first and second circular tubes spaced apart axially with each including a lumen having a rigid, noncompliant split hoop placed therein. The outer ring may be rolled over itself and around the annular axis to retract the sleeve with sufficient force to stretch the incision to the desired diameter. A gel cap seal may be coupled to the outer ring outside of the biological body to seal the opening produced by the wound retractor between the body cavity and outside the body cavity.07-07-2011
20110166423FOAM PORT INTRODUCTION SYSTEM INCLUDING DILATOR - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity, comprising a compressible seal anchor member including a leading end configured for insertion within the tissue tract and a trailing end configured to remain outside of the tissue tract, the compressible seal anchor member having at least one longitudinal port extending between the leading and trailing ends for substantially sealed reception of an object therein, the compressible seal anchor member including a bore for receipt of a dilator.07-07-2011
20120065474HEMOSTASIS VALVE ASSEMBLY - A valve assembly (03-15-2012
20120022334LAPAROSCOPIC INSTRUMENT AND TROCAR SYSTEM AND RELATED SURGICAL METHOD - Laparoscopic instruments and cannulas are provided for performing laparoscopic procedures entirely through the umbilicus. Generally S-shaped laparoscopic instruments placed through the C-shaped trocar sleeves or through the cannula and instrument holder unit provide markedly improved degrees of instruments' freedom during trans-umbilical laparoscopic procedures.01-26-2012
20120130188ACCESS ASSEMBLY INCLUDING ONE OR MORE FOLDABLE CAPS - An access assembly is provided including a tubular member having a proximal end and a distal end, the proximal end in mechanical cooperation with a foldable cap member having a first set of lumens extending the length of the tubular member. The access assembly also includes a first ring secured at the proximal end of the tubular member and a second ring secured at the distal end of the tubular member. The foldable cap member is configured to fold in at least one direction to expose a second set of lumens extending the length of the tubular member.05-24-2012
20120157783SELF DEPLOYING BODILY OPENING PROTECTOR - A self-deploying opening protection device is disclosed. The opening protection device is transitionable between compressed and expanded conditions. The opening protection device is translatable through a lumen of a cannula placed within an opening in the skin of a patient. The opening protection device deploys to the expanded condition as it translates out from within the lumen of the cannula.06-21-2012
20120157781TWO-PART ACCESS ASSEMBLY - An assembly for accessing a body cavity through an opening in tissue is provided. The access assembly includes a flexible outer sleeve configured to be received through an opening in tissue. The outer sleeve defines a passageway therethrough. The access assembly further includes an inner core configured for selective reception within the passageway of the outer sleeve. The inner core defines at least a first lumen configured to receive a surgical instrument therethrough.06-21-2012
20110092778WOUND RETRACTOR SYSTEM - A wound retractor system comprises a retractor having a distal ring 04-21-2011
20120157786SURGICAL RETRACTOR HAVING RING OF VARIABLE DUROMETER - A surgical retractor includes a tubular member having a proximal end and a distal end, a first ring secured at the proximal end of the tubular member and a second ring secured at the distal end of the tubular member. The first ring is formed by combining a first material having a first durometer and a second material having a second durometer. Alternatively, a flexible sealing ring for use with a surgical retractor to prevent cross-contamination during surgery of fluids and solids is presented, the ring composed of at least two materials, the first material having a first durometer and the second material having a second durometer, where the first durometer is greater than the second durometer.06-21-2012
20120157785ACCESS ASSEMBLY HAVING UNDERCUT STRUCTURE - An assembly for accessing a body cavity is provided. The access assembly includes a flexible outer sleeve configured to be received through an opening in tissue. The outer sleeve defines a passageway therethrough and a notch formed about an inner surface thereof. The access assembly further includes a support plate configured for selective reception through the passageway of the outer sleeve and within the notch formed in the inner surface. The support plate defines at least a first opening configured to receive a surgical instrument therethrough.06-21-2012
20120157784INTEGRAL FOAM PORT - A surgical apparatus includes a seal anchor member. The seal anchor member includes a first end, a second end, at least one longitudinal port extending between the two ends, and a seal assembly disposed within the at least one longitudinal port. The seal assembly can be positioned at any location along the length of the at least one longitudinal port. The seal assembly comprises a seal housing which is dimensioned to receive a surgical instrument inserted into the at least one longitudinal port and form a substantially fluid-tight seal therewith. The seal housing may comprise a pivotable member to pivot the surgical instrument inserted therein. The at least one longitudinal port may define two gradually enlarging openings to facilitate the maneuverability of the surgical instrument inserted therein. The at least one longitudinal port may comprise a protective sleeve to protect it from accidental penetration by the surgical instrument.06-21-2012
20120157782HAND ACCESS DEVICE - A device for accessing a body cavity through an opening in tissue is provided. The access device includes a unitary compressible body configured to be received in an opening in tissue. The compressible body includes a central portion, an upper rim located on a proximal end of the body and a lower rim located on a distal end of the body. The central portion defines a slit configured to permit the passage of a hand therethrough in a sealing manner.06-21-2012
20110082343SEAL ANCHOR WITH NON-PARALLEL LUMENS - A seal anchor member defines a housing defining a longitudinal axis, the housing having leading and trailing ends, and including a plurality of lumens extending between the leading and trailing ends, each lumen being adapted for substantially sealed reception of an object therein and defining a longitudinal axis, wherein at least two of the lumens define longitudinal axes that are non-parallel to facilitate angled, at-rest placement of multiple instruments within the seal anchor member.04-07-2011
20110066001Access Method With Insert - Various devices and methods are provided with respect to inserting multiple surgical instruments through a single surgical access device. A medical device including a flexible tissue retractor and a releasable insert having multiple instrument openings is disclosed. The insert can be in the form of an insert assembly including multiple components. A method of using the insert is also described, and includes releasably positioning an insert having multiple instrument openings into the tissue retractor03-17-2011
20120130192INTRODUCER ASSEMBLY AND SHEATH THEREFOR - An introducer assembly (05-24-2012
20120130186ADJUSTABLE SURGICAL PORTAL - A surgical portal includes a compressible, e.g., foam or rubber, portal having one or more longitudinal ports for passage of a surgical object. The portal is adapted to transition between a first condition having a first length and a second condition having a second length different from the first length. The portal includes an outer wall configured to maintain a substantial sealing relationship with tissue upon insertion therein.05-24-2012
20120130191EXPANDABLE ACCESS ASSEMBLY INCLUDING AN INTERNAL THREAD MECHANISM - An access assembly is provided. The access assembly includes a tubular member having a proximal end and a distal end, the tubular member including a threading extending at least a portion of an internal length of the tubular member. The access assembly further includes a first ring secured at the proximal end of the tubular member and a second ring secured at the distal end of the tubular member. The first ring and the second ring are expandable rings.05-24-2012
20120130190ACCESS ASSEMBLY INCLUDING ONE OR MORE COMPRESSIBLE VENTS - An access assembly is provided including a tubular member having a proximal end and a distal end, the proximal end in mechanical cooperation with at least one slit seal member configured to create a fluid-tight seal in a first configuration. The access assembly also includes a first ring secured at the proximal end of the tubular member and a second ring secured at the distal end of the tubular member. The at least one slit seal member is configured to create an opening in a second configuration when forces are applied at opposing ends of the first ring.05-24-2012
20120130189PORT DEVICE INCLUDING RETRACTABLE ENDOSCOPE CLEANER - A surgical apparatus includes a housing member having leading and trailing ends that define a longitudinal axis. One or more ports longitudinally extend between the leading and trailing ends, and are configured and adapted to receive a surgical instrument therein in a substantially sealed relation. At least one cleaning port longitudinally extends between the leading and trailing ends, and is configured and adapted to receive a cleaning device therein. The cleaning device is configured and adapted to clean surgical instruments positioned within the one or more ports without necessitating removal of the surgical instruments from the one or more ports.05-24-2012
20120130185ACCESS DEVICE INCLUDING EXPANDABLE DISTAL FLANGE - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity including a compressible seal anchor member. The seal anchor member includes a leading portion that is expandable to facilitate transitioning between a first condition and a second condition. Insertion of the seal anchor member into a tissue tract is facilitated by the reduced dimensions of the leading portion while in the first condition. Anchoring of the seal anchor member within the tissue tract is facilitated by the expanded dimensions of the leading portion while in the second condition.05-24-2012
20120130184ACCESS ASSEMBLY WITH ANTI-COLLAPSING STRUCTURE - An access assembly including an anti-collapsing structure is provided. The access assembly includes a compressible body having first and second ends and a central portion extending therebetween. The compressible body defines at least a first lumen configured to receive an instrument in a sealing manner. The access assembly further includes an anti-collapsing structure extending at least partially between the proximal and distal ends of the compressible body. The anti-collapsing structure is configured to permit compression of the compressible body during insertion into an incision and return the compressible body to an uncompressed condition following insertion.05-24-2012
20120130187SEAL PORT WITH ADJUSTABLE HEIGHT - A surgical apparatus, for positioning within a tissue tract to access an underlying body cavity, is provided. The surgical apparatus includes a first and second member. The first member has a proximal ramp section, an accordion section, and a retaining portion. The first member defines a first longitudinal axis, a first proximal end, and a first distal end. The second member has a tubular proximal section, a portal portion, and a distal flange. The second member defines a second longitudinal axis, a second proximal end, and a second distal end. The second member includes a retaining structure to couple the first member to the second member. The first member is located at least partially in the tubular section of the second member.05-24-2012
20120215071INTRODUCER ACCESS ASSEMBLY - An introducer access assembly includes a locking unit having a second tubular channel and a recess along a length of the locking unit; a support unit; a joint configured to movably attach the locking unit and the support unit such that, when the assembly is in a closed state, the recess of the locking unit and the support unit form a first tubular channel having a longitudinal axis; and a cutting unit configured to provide an opening cut through a first tubular medical device arranged in the first tubular channel. The second tubular channel forms an intersectional angle with the longitudinal axis of the first tubular channel, and the access assembly is configured such that a second medical device may be inserted into the second tubular channel and into the first tubular medical device via the opening cut.08-23-2012
20120136214SURGICAL HAND ACCESS APPARATUS - A surgical access apparatus includes a liner base and an access housing for positioning outside the body. The liner base includes an inner member adapted for insertion through an opening within body tissue for positioning within the body; a sleeve member connected to the inner member and dimensioned to extend from the inner member through the opening within the body tissue, and a plurality of tensioning elements connected to the inner member and associated with the sleeve member to impart a tensioning effect on the sleeve member. The access housing includes a first element and a second element. The second element is operatively connected to the tensioning elements and adapted for rotational movement relative to the first member to cause the tensioning elements to displace the inner member toward the access housing and to cause the sleeve member to engage and retract tissue defining the opening within the body.05-31-2012
20120215070SURGICAL INSTRUMENT ACCESS DEVICE - A surgical access device includes a valve that forms a seal with a body wall and provides an access channel into a body cavity. The valve has properties for creating a zero seal in the absence of an instrument as well as an instrument seal for an instrument. The valve can include a gel material and the access channel can include a protective shield to provide for wound protection during insertion and withdrawal of a sharp surgical instrument. The valve further comprises a cap ring which may be inserted or molded with the gel material.08-23-2012
20120253136ACCESS PORT AND FLEXIBLE SLEEVE WITH ATTACHED CORD - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity is adapted to receive a portal member inserted therein. The surgical apparatus includes a flexible sleeve and a cord attached to one end of the sleeve. The cord is configured to secure the portal member within the surgical apparatus such that the surgical apparatus forms a sealing relation with the portal member.10-04-2012
20120172668ADJUSTABLE CANNULA SYSTEMS AND DEVICES - Various adjustable cannula systems are provided. The systems can include an adjustable cannula capable of expansion and/or contraction having an elongate body with a distal end and a proximal end. The adjustable cannula can be coupled to an upper housing and a lower housing such that rotation of the upper housing results in expansion or contraction of the adjustable cannula. The adjustable cannula can also have a proximal end having a lumen larger than a distal end lumen. A plurality of flanges can be formed in the elongate body by a plurality of slits that span a majority of a length of the cannula, including along or proximate to its proximal end and distal end.07-05-2012
20100298646FLEXIBLE ACCESS ASSEMBLY WITH REINFORCED LUMEN - An access assembly for insertion through a single incision is provided. The access assembly includes a foam body having a proximal end and a distal end and a plurality of lumen extending through the foam body, each of the lumen including a sleeve extending the length of the body.11-25-2010
20120179001ACCESS SEALING APPARATUS AND METHOD - A surgical access device includes a seal housing and a roller disposed in the housing and defining a working channel. The roller may be stationary or movable within the seal housing to form both a zero seal in the absence of an instrument, and an instrument seal in the presence of an instrument. Rotation of the roller is contemplated and low-friction surfaces are discussed to reduce instrument insertion forces. Multiple rollers, wiper elements, low-friction braid, pivoting elements and idler rollers are contemplated. The rollers will typically be formed of a gel material in order to facilitate the desired compliance, stretchability and elongation desired.07-12-2012
20080300467SURGICAL WOUND RETRACTOR WITH REUSABLE RINGS - A sleeve-type wound retractor has at least two pieces: a reusable ring and a single-use sleeve. The reusable ring is sterilized before surgery in a conventional fashion. Before surgery and in a sterile environment, such as the operating room, the ring is fasted to one end of the sleeve to form a wound retractor. The other end of the sleeve has another ring which may be permanently attached to the sleeve or which may also be attached to the sleeve in the sterile environment. The completed wound retractor, comprising the two rings and the sleeve, functions as the conventional incremental wound retractor by winding the sleeve around the outer ring during use.12-04-2008
20120271117INCISION FIXATION DEVICE FOR SINGLE SITE LAPAROSCOPY - An incision fixation device for single site laparoscopy is coupled with a sleeve to be positioned on a surgical incision. The sleeve has one isolation portion containing a passage. The fixation device includes a bracing member located in the passage, a compact member coupled to the isolation portion, and an upper lid containing a plurality of guiding portions and a second engaging portion. The bracing member has an anchor end and a first engaging portion. The compact member has at least one holding portion to hold the anchor end with the isolation portion interposed therebetween. The second engaging portion is releasably engaged with the first engaging portion. Each guiding portion has an instrument passage to guide a surgical instrument to pass through the surgical incision. The compact member has a first and a second fastening mechanisms that are movable against each other to press the anchor end and isolation portion.10-25-2012
20120323080ADD-ON RETRACTOR ELEMENT FOR RETRACTOR SYSTEM - A retractor assembly for percutaneous surgery in a patient that includes first and second retractor portions positionable opposite one another in an incision of the patient. A working channel extends between the first and second retractor portions and provides access to a location within the patient adjacent to distal ends of the first and second retractor portions. The first and second retractor portions are movable relative to one another to adjust the size of the working channel. An add-on retractor element is provided that is mounted to the first and second retractor portions and spans the gap between the first and second retractor portions to prevent creep of soft tissue into the working channel when the retractor portions are separated.12-20-2012
20110230724SEAL ASSEMBLY FOR USE WITH AN ACCESS DEVICE - A surgical access device for use during a surgical procedure is disclosed and includes a housing, an access member and a seal assembly. The access member extends distally from the housing and is dimensioned for positioning within tissue. The seal assembly is disposed in mechanical cooperation at least partially within the housing and comprises an instrument seal and a zero-closure valve. The instrument seal comprises an outer portion and an inner portion. The inner portion has an aperture extending therethrough. The instrument seal is configured to maintain a substantially fluid-tight seal with respect to a surgical instrument inserted therethrough. The zero-closure valve is configured to maintain a substantially fluid-tight seal in the absence of a surgical instrument inserted therethrough. The zero-closure valve includes an annular groove disposed along an inner periphery thereof and is configured and dimensioned to accommodate an outer periphery of the instrument seal.09-22-2011
20110237900PORTAL APPARATUS WITH A TUBULAR SEAL DEVICE - A surgical portal apparatus includes a portal housing, a portal member, and an elongated seal mounted within the portal housing. The portal housing defines a housing opening for reception of a surgical object and the portal member extends from the portal housing. The elongated seal includes an outer wall segment and an inner seal segment. The outer wall segment has first and second ends that are mechanically coupled to the portal housing. The inner seal segment is disposed within the outer wall segment and depends radially inwardly relative to the longitudinal axis. The inner seal segment has inner surfaces that define a seal passage and is adapted to establish a substantial sealed relation with the surgical object. The outer wall segment includes a flexible material to permit deflection of the outer wall segment and corresponding movement of the inner seal segment in at least a radial direction with respect to the longitudinal axis.09-29-2011
20110237899PORTAL APPARATUS WITH A FINGER SEAL ASSEMBLY - A surgical portal assembly includes a portal member defining a longitudinal axis and having a longitudinal passageway for passage of a surgical object, and being dimensioned to pass through tissue to provide access via the longitudinal passageway to an underlying operative site and a plurality of object seals in mechanical cooperation with the portal member and positioned to intersect the longitudinal passageway. Each object seal has inner surfaces defining a seal passage to permit passage of the surgical object. The inner seal surfaces of each object seal include a primary finger segment and secondary finger segments on opposed sides of, and in spaced relation to, the primary finger segments. The primary finger segment and the secondary finger segments depend inwardly relative to the seal passage with adjacent object seals being angularly displaced relative to each other through an arc of rotation about the longitudinal axis whereby the primary finger segments and the secondary finger segments of respective object seals at least partially overlap and cooperate to establish a substantial sealed relation with the surgical object. The object seals may each include a tertiary finger segment on opposed sides of, and in spaced relation to, the secondary finger segments.09-29-2011
20100234688ACCESS PORT INCLUDING MULTI-LAYER SEAL AND SUTURE PARKS - A seal assembly configured for use with a cannula assembly includes a housing and a suture retaining member disposed in mechanical cooperation with the housing. The suture retaining member is configured to hold at least one suture and configured to help prevent the tangling of sutures. A slit seal member is disposed in mechanical cooperation with the housing. The slit seal member is configured to create a substantially fluid-tight seal in the absence of a surgical instrument inserted therethrough. An instrument seal member is disposed in mechanical cooperation with the housing. The instrument seal member is configured to create a substantially fluid-tight seal around a surgical instrument inserted therethrough.09-16-2010
20120330105WOUND RETRACTOR WITH GEL CAP - An incrementally adjustable wound retractor, which provides access to a body cavity, includes an inner ring having a diameter greater than the desired diameter of the wound incision, an outer ring having an annular axis and a diameter greater than the desired diameter of the wound incision, and a flexible sleeve disposed in a generally cylindrical form between the inner and outer rings. The outer ring includes first and second circular tubes spaced apart axially with each including a lumen having a rigid, noncompliant split hoop positioned therein. The outer ring may be rolled over itself and around the annular axis to retract the sleeve with sufficient force to stretch the incision to the desired diameter. A gel cap seal may be coupled to the outer ring outside of the biological body to seal the opening produced by the wound retractor between the body cavity and outside the body cavity.12-27-2012
20120289785WOUND RETRACTOR - A retraction device for retracting an incision in a body wall includes a sheath that traverses through the incision from outside the body to a body cavity inside the body. The retraction device may include a deployable, adjustable frame that supports the sheath and that, together with the sheath, retracts the incision. The retraction device may include an outer ring and an inner ring coupled to opposing ends of the sheath and further include means to place the sheath in tension between the inner and outer rings, thereby retracting the incision.11-15-2012
20120149989SURGICAL ACCESS APARATUS AND METHOD - A surgical access device includes a single valve that forms a seal with the body wall and provides an access channel into a body cavity. The valve has properties for creating a zero seal in the absence of an instrument as well as an instrument seal with instruments having a full range of instrument diameter. The valve can include a gel and preferably an ultragel comprised of an elastomer and an oil providing elongation greater than 1000 percent and durometer less than 5 Shore A. The single valve can be used as a hand port where the instrument comprises the arm of a surgeon, thereby providing hand access into the cavity.06-14-2012
20130018230SURGICAL RETRACTOR HAVING A LIGHTING UNITAANM SU; Ying-ChiehAACI Tainan CityAACO TWAAGP SU; Ying-Chieh Tainan City TWAANM CHEN; Chao-KunAACI Tainan CityAACO TWAAGP CHEN; Chao-Kun Tainan City TWAANM FONG; YaoAACI Tainan CityAACO TWAAGP FONG; Yao Tainan City TW - A surgical retractor includes an outer ring unit, a tubular retraction membrane made of a resilient material and including an inner surface defining a passageway, and a lighting unit. The tubular retraction membrane has an outer tubular end connected to the outer ring unit and rollable about the outer ring unit. The lighting unit is connected to an inner tubular end of the retraction membrane and includes a light-emitting ring, and a heat-dissipation ring in contact with the light-emitting ring.01-17-2013
20080249373SURGICAL HAND ACCESS APPARATUS - A surgical access apparatus includes a liner base and an access housing for positioning outside the body. The liner base includes an inner member adapted for insertion through an opening within body tissue for positioning within the body; a sleeve member connected to the inner member and dimensioned to extend from the inner member through the opening within the body tissue, and a plurality of tensioning elements connected to the inner member and associated with the sleeve member to impart a tensioning effect on the sleeve member. The access housing includes a first element and a second element. The second element is operatively connected to the tensioning elements and adapted for rotational movement relative to the first member to cause the tensioning elements to displace the inner member toward the access housing and to cause the sleeve member to engage and retract tissue defining the opening within the body. The tensioning members are adapted to move relative to the sleeve member upon rotation of the second element and may be embedded within the sleeve member. A seal is preferably mounted to the access housing and is adapted to form a fluid tight seal about an object inserted therethrough. A zero closure valve may also be mounted relative to the liner member for forming a fluid tight seal in the absence of an object positioned therethrough. The second member of the access housing is adapted to be selectively secured at a predetermined rotational relationship with respect to the first member to provide for selective tensioning of the tensioning elements and selective retraction of tissue.10-09-2008
20130178711DEVICES AND METHODS FOR ENDOVASCULAR ACCESS AND THERAPY - The present invention provides for devices and methods for providing endovascular therapy, including facilitating establishment of vascular access, placement of endovascular sheaths, catheter tip localization, and administration of vascular occlusion. The inventions includes a vessel cannulation device, an expandable sheath, an occlusion catheter, and a localizer each of which may be provided separately or used as part of a system.07-11-2013
20130178712Triangulation Methods with Hollow Segments - A surgical apparatus providing access to an underlying body cavity through a tissue tract articulates a flexible surgical object inserted therein. The surgical apparatus includes a tube member defining a longitudinal axis and a lumen therethrough to receive the flexible surgical object. The tube member includes a proximal member, a middle member connected to the proximal member at a first joint, and a distal member connected to the middle member at a second joint. The surgical apparatus also includes articulation mechanisms to articulate the tube member.07-11-2013
20130172684SURGICAL ACCESS ASSEMBLY AND METHOD OF USE THEREFOR - A surgical access assembly includes an access port, a seal anchor and a sealing adapter. The access port includes proximal and distal rings and a sleeve defining a passage therethrough. The sleeve extends between the proximal and distal rings. The seal anchor is adapted to be at least partially disposed in the access port. The sealing adapter includes proximal and distal end portions. The distal end portion is configured and dimensioned to engage the seal anchor in a sealing relation therewith. The proximal end portion is configured and dimensioned to engage a least a portion of the distal ring of the access port in a sealing relation therewith, wherein the sealing adapter is transitionable between a first state in which the sealing adapter has a first diameter and a second state in which the sealing adapter has a second diameter. The second diameter is larger than the first diameter.07-04-2013
20110270041ACCESS ASSEMBLY WITH ADJUSTABLE SEAL MEMBER - A surgical access assembly for receiving instruments of various diameters is disclosed. The access assembly includes a housing defining a longitudinal axis and having a longitudinal opening for passage of a surgical instrument. The access assembly may also include a mechanism disposed within the housing and having a passageway for reception and passage of the surgical instrument in substantial sealed relation therewith. The mechanism may be adapted for reciprocal longitudinal movement within the housing between a first position corresponding to a first dimension of the passageway and a second position corresponding to a second dimension of the passageway.11-03-2011
20080200767WOUND RETRACTION APPARATUS AND METHOD - A surgical wound retractor is adapted to dilate a wound stretchable to a desired diameter, the retractor includes a first ring having a diameter greater than that desired for the wound and being adapted for disposition interiorly of the wound. A second ring has a diameter greater than that desired for the wound and is adapted for disposition exteriorly of the wound. A plurality of retraction elements are disposed in a generally cylindrical relationship to each other, between the first ring and the second ring. These elements extend through the wound to exert a radial retraction force on the wound which is dependent on the distance separating the first ring and the second ring. Retraction elements, both distensible and non-distensible are contemplated with appropriate attachment means at the rings to provide for variations in the retraction force. With a suitable retraction sleeve, a third ring can be provided to form a circumferential retainer to vary the retraction force. Rings can also be made inflatable or self-expanding to vary the retraction force. An associated method includes the step of rolling the second ring circumferentially of the third ring to form the circumferential retainer.08-21-2008
20100286484FLEXIBLE ACCESS ASSEMBLY WITH MULTIPLE PORTS - An access assembly configured to receive one or more surgical instruments is provided. The access assembly includes a flexible housing having a proximal end and a distal end, the housing defining a longitudinal passageway extending from the proximal end to the distal end and a seal assembly received within the longitudinal passageway of the housing. The seal assembly defining a plurality of ports each configured to receive an instrument inserted therethrough in a sealing manner.11-11-2010
20110251466ACCESS ASSEMBLY WITH FLEXIBLE CANNULAS - An access assembly configured to receive one or more surgical instruments is provided. The access assembly includes a compressible port having a proximal end and a distal end, the port defining a plurality of longitudinal passageway extending from the proximal end to the distal end and a flexible cannula assembly received in each of the longitudinal passageway of the port. The cannula assemblies each including a seal configured to receive an instrument inserted therethrough in a sealing manner.10-13-2011
20110251465HOLLOW MULTI-LUMEN ACCESS PORT - A surgical apparatus for positioning within a tissue tract accessing an underlying body cavity includes a seal anchor member that is adapted and configured to be placed within an incision of a tissue in a substantially sealed relation. The seal anchor member includes a hollow body portion and may also include a removable cap including a plurality of lumens that are each adapted and configured to receive a surgical instrument therein.10-13-2011
20110237901Trocar - A surgical access device, such as a trocar, is described. The trocar includes a first housing member selectively coupled to a second housing member, such as with a latching assembly, and a seal which can be compressed when the housing members are coupled together, the seal for preventing or reducing transverse escape of insufflation gas or other fluid from between the coupled together first and second members.09-29-2011
20130150682ANOSCOPE FOR ANO-RECTAL DIAGNOSTIC AND SURGERY - A composite anoscope for ano-rectal diagnostic and surgery, wherein the anoscope (06-13-2013
20100305408WOUND RETRACTOR WITH GEL CAP - An incrementally adjustable wound retractor, which provides access to a body cavity, includes an inner ring having a diameter greater than the desired diameter of the wound incision, an outer ring having an annular axis and a diameter greater than the desired diameter of the wound incision, and a flexible sleeve disposed in a generally cylindrical form between the inner and outer rings. The outer ring includes first and second circular tubes spaced apart axially with each including a lumen having a rigid, noncompliant split hoop positioned therein. The outer ring may be rolled over itself and around the annular axis to retract the sleeve with sufficient force to stretch the incision to the desired diameter. A gel cap seal may be coupled to the outer ring outside of the biological body to seal the opening produced by the wound retractor between the body cavity and outside the body cavity12-02-2010
20120283519Surgical retractor - A circumferential surgical retractor to hold an incision apart and provide access through its aperture opening. The retractor has no moving parts and relies on its flanges to retract tissues. Selection of different sizes of the retractor permits its use in differing surgical incisions.11-08-2012
20120283520SURGICAL RETRACTOR INCLUDING POLYGONAL ROLLING STRUCTURE - A surgical access port is provided for insertion through an incision in a patient and generally includes a flexible sleeve having a roller assembly provided at a proximal end of the flexible sleeve and a flexible ring affixed to a distal end of the flexible sleeve. The roller assembly includes a plurality of rollers mounted on a polygonal frame assembly and engageable with the proximal end of the flexible sleeve. The polygonal frame assembly includes a plurality of shafts, interconnected by corner members, and rotatably supporting the plurality of rollers. The rollers include longitudinally extending flutes interspersed with longitudinally extending ribs connected to the proximal end of the flexible sleeve.11-08-2012
20130190574ACCESS PORT HAVING ROLLABLE PROXIMAL END - A surgical access device for insertion into an opening in tissue includes an adjustable member at a proximal end which is transitionable between an un-deployed configuration where the adjustable member is rolled up proximally and a deployed configuration where the adjustable member is unrolled distally to allow for the use of the surgical access device in an opening having a larger size than the surgical access device. The surgical access device includes an elongate member which is adapted for insertion into an opening in tissue and including a lumen extending therethrough for the reception of a surgical instrument. An adjustable member extends from a proximal portion of the elongate member and is variable between the un-deployed configuration and the deployed configuration where the adjustable member extends distally from the proximal portion of the elongate member when in the deployed configuration to at least partially surround the elongate member.07-25-2013
20120029297INSTRUMENT ACCESS DEVICE - An instrument access device (02-02-2012
20120029296EXPANDABLE CANNULA ASSEMBLIES FOR USE IN PERCUTANEOUS SURGICAL PROCEDURES - In one form, an expandable cannula assembly for use in percutaneous surgical procedures includes an elongate body extending along a longitudinal axis between a first end and a second end. The elongate body includes a pair of elongate members that cooperate to define a working channel extending between a proximal end and a distal end and being expandable from a first, unexpanded configuration to a second, expanded configuration. The elongate members are displaceable away from one another along the longitudinal axis from the proximal end to the distal end of the working channel in order to expand the working channel from the first configuration to the second configuration. In one aspect, the elongate members engage with one another to lock the working channel in the second configuration and prevent movement of the elongate members toward one another. However, in other embodiments, different forms and applications are envisioned.02-02-2012
20120041269EXPANDABLE THORACIC ACCESS PORT - A surgical access assembly for positioning within an opening in tissue including an outer member positionable outside a patient and defining an opening therein to receive a surgical instrument. The outer member has a first portion and a second portion wherein at least one of the first and second portions is movable with respect to the other portion. The assembly also includes an inner member positionable within a patient and a flexible member extending between the inner member and outer member, wherein movement of one of the first and second portions of the outer member adjusts tension on the flexible member to retract tissue. A locking mechanism locks the outer member in a plurality of select expanded positions. The locking mechanism includes first engagement structure on the first portion engageable with the second portion and a slidable member movable to a locking position to retain the first and second portions in the select expanded position.02-16-2012
20130204089URETHRA PROTECTION DEVICE - It is an object of the present invention to eliminate mechanical stimulation caused by insertion and extraction of such devices as a bladder endoscope and a urethral catheter into and from a urethra. It is a further object of the present invention to make it possible to simultaneously insert such devices as a bladder endoscope and a urethral catheter into the urethra without causing pain. A urethra protection device of the present invention which can be inserted into a urethra includes a first hollow tube in which a bladder endoscope can be inserted, a second hollow tube in which a urethral catheter can be inserted, and a flange provided on an outer peripheral part of the urethra protection device at a position separated from a forward end thereof which is first inserted into the urethra.08-08-2013
20120078058SINGLE PORT DEVICE WITH MULTI-LUMEN CAP - A surgical access apparatus includes an access member defining a longitudinal axis and having a longitudinal passageway for reception and passage of a surgical object and an access housing mountable to the access member. The access housing includes a diaphragm mounted thereto. The diaphragm is adapted for rotational movement about the longitudinal axis relative to the access housing. The diaphragm defines at least one internal pocket and has a seal assembly disposed within the internal pocket. The seal assembly has an interface seal member adapted for establishing a fluid tight seal about the surgical object. The seal assembly is adapted for selective movement within the pocket about multiple axes in response to manipulation of the surgical object.03-29-2012
20120083661ACCESS PORT - A surgical access port assembly is provided including a cannula and an obturator insertable through the cannula. The cannula includes a housing having a hollow elongate tubular member extending distally from the housing. A duckbill valve is provided within the housing and includes an outer support rim and a pair of opposed multi-angle leaflets extending inwardly from the outer support rim. Each leaflet includes a lead in portion oriented at a first angle relative to the support rim and an entry portion extending from the lead in portion and oriented at a second angle relative to the support rim. The second angle is greater than the first angle.04-05-2012
20120095297NATURAL ORIFICE SURGERY SYSTEM - Embodiments of a surgical access port system that comprises a retractor that is adapted for being coupled to a cap and that is particularly useful in natural orifice surgery are described. The retractor comprises an outer ring, wherein the outer ring is configured to be disposed proximate the natural orifice of the patient and substantially surround the orifice; a tubular body; and a funnel segment extending between and coupling the outer ring and the tubular body, wherein the funnel segment provides a diametric reduction between the relatively large diameter of the outer ring and the relatively smaller diameter of the tubular body, which is sized to fit within a natural orifice with minimal distention of the orifice.04-19-2012
20120095296Expandable Spinal Access Instruments and Methods of Use - A system for use in percutaneous surgical procedures includes a dilator with an expandable sleeve positioned around its outer surface that accepts one or more additional dilators or retractors between the sleeve and the dilator to form an access port to a surgical site in a patient. The system can be used in spinal surgical procedures and the sleeve and one or more additional components of the system can be radiolucent and disposable after use.04-19-2012

Patent applications in class Circular or eliptically shaped retracting surface