Patent application number | Description | Published |
20080200833 | VACUUM ASSISTED BIOPSY DEVICE - A biopsy device is disclosed that comprises a cutting element mounted to a handpiece and a vacuum chamber. The cutting element comprises a stylet assembly and an outer cannula assembly. The stylet assembly includes a stylet that includes an open proximal end and a tissue opening at a distal end thereof. The tissue receiving opening is in communication with a lumen extending through the stylet. The outer cannula assembly includes an outer cannula that is slidably mounted over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. The stylet is selectively advanced distally outwardly with respect to outer cannula to expose the tissue opening to targeted tissue. The outer cannula is selectively advanced over the tissue opening to sever tissue, while vacuum is generated in the vacuum chamber and delivered to the tissue opening through the lumen. The vacuum causes tissue to be drawn into and maintained in the tissue opening while the outer cannula severs tissue to obtain a biopsy core. | 08-21-2008 |
20080200834 | INTRODUCER DEVICE FOR IMPROVED IMAGING - A slotted introducer cannula includes an introducer sheath insertable into a patient's tissue. The cannula has an open distal end and an open proximal end, and an inner lumen therethrough. The introducer cannula may include at least one aperture in a side wall thereof, which allows fluid communication between the inner lumen and the area outside the cannula. The introducer cannula may also be in communication with a vacuum source, which may remove fluid near the distal end of the introducer cannula. | 08-21-2008 |
20080221481 | VACUUM ASSISTED BIOPSY NEEDLE SET - A needle set for a biopsy device is disclosed. The needle set includes an outer member, a cylinder lumen within said outer member, an inner member having a cannula and an inner lumen. The inner member is slidably disposed within the cylinder lumen. The biopsy device also includes a cylinder seal member that is disposed within the cylinder lumen and a cannula seal member attached to the outer surface of the cannula. The cylinder seal member and the cannula seal member define a vacuum chamber therebetween. | 09-11-2008 |
20080269603 | SITE MARKER VISIBLE UNDER MULTIPLE MODALITIES - Various embodiments of a site marker are disclosed that comprise a body portion and a marker element. The body portion is constructed of a bioabsorbable material and defines at least one cavity therein. The marker element is captured within one of the cavities. The marker element is constructed of a material that may be imaged under at least one imaging modality. | 10-30-2008 |
20080294092 | SECUREMENT FOR A SURGICAL SITE MARKER AND DEPLOYMENT DEVICE FOR SAME - A method of securing a biopsy marker within a biopsy site includes depositing a marker element within a biopsy site and fixing the marker element within the biopsy site by injecting a securing agent within the biopsy site. Delivery devices for delivering the securing agent to the biopsy site are also disclosed. | 11-27-2008 |
20090050516 | TISSUE COLLECTION TRAY - A tissue collection tray is described for use with a biopsy device. The tissue collection tray includes a well portion, a body portion and a divider. The well portion is defined by first and second ends, a bottom and at least two walls. The body portion includes a recess formed therein. The divider includes a groove formed therein. The divider is positioned between the recess and the well portion. | 02-26-2009 |
20090069670 | SITE MARKER - A site marker and method of using a site marker are described and disclosed. The site marker comprises a bio-compatible and a plurality of elements, wherein the biocompatible material and at least one of the plurality of elements are imageable under different modalities. | 03-12-2009 |
20090082696 | VACUUM ASSISTED BIOPSY DEVICE - A biopsy device is disclosed that comprises a cutting element mounted to a handpiece and a vacuum chamber. The cutting element comprises a stylet assembly and an outer cannula assembly. The stylet assembly includes a stylet that includes an open proximal end and a tissue opening at a distal end thereof. The distal end of the stylet is blunt-shaped. The tissue receiving opening is in communication with a lumen extending through the stylet. The outer cannula assembly includes an outer cannula that is slidably mounted over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. The stylet is selectively advanced distally outwardly with respect to outer cannula to expose the tissue opening to targeted tissue. The outer cannula is selectively advanced over the tissue opening to sever tissue, while vacuum is generated in the vacuum chamber and delivered to the tissue opening through the lumen. The vacuum causes tissue to be drawn into and maintained in the tissue opening while the outer cannula severs tissue to obtain a biopsy core. | 03-26-2009 |
20090087249 | ADAPTER ASSEMBLY - An adapater is disclosed. An adapter for securing a surgical device to a positioning stage is disclosed. The adapter includes a body member defined by a distal end and a proximal end. The body member includes at least one connector element for selectively securing the adapter to a positioning stage. One of the distal and proximal ends of the body member further includes a mounting member for securing a portion of the surgical device to the body member. | 04-02-2009 |
20090088663 | SURGICAL SYSTEM - A surgical device is disclosed. The surgical device comprises a housing, a cutting element, a spool, a piston, and a spring. The cutting element extends from the housing at the distal end of the housing. The cutting element comprises an outer cannula and an inner cannula. The spool is engaged with the outer cannula. The piston is engaged with the inner cannula. A spring is positioned between the spool and the piston. The spool is translated distally to translate the outer cannula towards the distal end. And the piston translates the inner cannula towards the distal end to sever tissue. | 04-02-2009 |
20090088664 | SURGICAL DEVICE AND METHOD FOR USING SAME - A method of using a surgical system that includes an outer cannula is disclosed. The method includes removably mounting a surgical device to an adapter. The adapter is secured to a stage. The surgical device and adapter is positioned at a predetermined location for inserting the outer cannula toward a target site in a body. Once positioned in the body, the outer cannula is fired to the target site. At least one tissue sample is taken using the surgical device and tissue samples are harvested from the surgical device. | 04-02-2009 |
20090088666 | SURGICAL DEVICE - A surgical device is disclosed. The surgical device comprises a housing, a cutting element, a spool, a piston, and a spring. The cutting element extends from the housing at the distal end of the housing. The cutting element comprises an outer cannula and an inner cannula. The spool is engaged with the outer cannula. The piston is engaged with the inner cannula. A spring is positioned between the spool and the piston. The spool is translated distally to translate the outer cannula towards the distal end. And the piston translates the inner cannula towards the distal end to sever tissue. | 04-02-2009 |
20090192408 | SURGICAL SITE MARKER DELIVERY SYSTEM - A marker delivery system is provided that includes a delivery tube and a push rod. The delivery tube is defined by distal and proximal ends and includes a distal opening that communicates with a lumen extending through the delivery tube and a curved distal end portion. The distal opening is positioned distally of the curved distal end portion. The push rod is configured for slidable engagement within the lumen of the delivery tube and is sized to extend to at least the distal opening of the delivery tube when the push rod is fully inserted within the delivery tube to push out one or more site markers disposed within the lumen of the delivery tube. | 07-30-2009 |
20090292244 | SELECTIVE LOCKING MECHANISM FOR AN INTRODUCER DEVICE - A selectively lockable introducer assembly is disclosed that comprises an introducer cannula and a needle guide. The introducer cannula is defined by a proximal end and a distal end and includes a lumen extending therebetween. The needle guide is defined by a body portion that includes at least one channel extending therethrough. The introducer cannula is configured to be selectively receivable within the at least one channel and the introducer cannula may be selectively lockable with respect to the needle guide such that the introducer cannula is selectively prevented from moving laterally with respect to the needle guide. | 11-26-2009 |
20100069787 | ADAPTER ASSEMBLY FOR STEREOTACTIC BIOPSY - An adapter is provided for use with a biopsy device that includes a cutting element having an outer cannula hub removably mounted to a handpiece. The cutting element includes an outer cannula connected to the outer cannula hub and an inner cannula disposed within the outer cannula and attached to the handpiece. The outer cannula hub allows removal of the handpiece and inner cannula from the outer cannula. The adapter includes a base, a cradle moveably mounted to the base and configured to rotatably support the biopsy device therein, and an indexing guide moveable with the cradle having a receptacle within which the outer cannula hub is rotatably received. The cradle and indexing guide are configured to inhibit rotation and axial movement of the biopsy device relative to the cradle, and facilitates removal of the handpiece and inner cannula from the outer cannula, while maintaining registration with the biopsy site. | 03-18-2010 |
20100081964 | REAL-TIME PATHOLOGY - A system for detecting abnormal tissue in a patient including an introducer cannula having a proximal opening and a distal opening. The system further includes a surgical instrument configured for selective insertion through the cannula. The surgical instrument further includes a tissue cutting opening positioned relative to the distal end of the introducer cannula when fully inserted through the introducer cannula. The system also includes a sensor configured to detect at least one property of the tissue of the patient. The sensor is located at a fixed distance relative to the distal end of the introducer cannula when the surgical instrument is inserted into the introducer cannula. | 04-01-2010 |
20100094074 | Brachytherapy apparatus and methods employing expandable medical devices comprising fixation elements - Brachytherapy apparatus and methods for performing brachytherapy employing expandable members with at least one external fixation element, offering precise therapy due to rotational and/or longitudinal stability of the expandable member. | 04-15-2010 |
20100114031 | INTRODUCER LOCALIZATION ASSEMBLIES - An introducer assembly is disclosed. The introducer assembly comprises an introducer cannula, an introducer hub and an introducer stylet body. The introducer cannula is defined by a distal end and a proximal end and has a lumen extending therebetween. The introducer hub is operatively connected to the introducer cannula, and wherein the introducer hub is configured for selective connection with multiple medical devices. The introducer stylet body is defined by a proximal end and a distal end and is removably disposed within the introducer cannula. The introducer stylet body may further comprise an imagable feature having a predetermined size disposed on a distal end thereof. | 05-06-2010 |
20100152533 | TISSUE REMOVAL DEVICE FOR USE WITH IMAGING DEVICES IN NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The tissue cutting device may be used with imaging device such as microscopes and endoscopes during neurosurgery procedures. | 06-17-2010 |
20100152614 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The inner cannula and the outer cannula define an annular space between the inner cannula and the outer cannula, and a seal is provided at the proximal end of the annular space. The seal is preferably a thixotropic, semi-solid material such as a high vacuum, halogenated polymeric grease. The device may also include an inner cannula stop position control for selectively controlling the position of the inner cannula when it is at rest. | 06-17-2010 |
20100152615 | TISSUE REMOVAL DEVICE WITH ADJUSTABLE FLUID SUPPLY SLEEVE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. A fluid supply sleeve is disposed about the outer cannula and is selectively positionable along the length of the outer cannula. | 06-17-2010 |
20100152756 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The inner cannula reciprocates at a rate that is greater than 1000 reciprocations per minute, and variable aspiration may also be provided to the device to control tissue traction and provide fine shaving and debulking. | 06-17-2010 |
20100152758 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. The inner cannula also includes a bending portion between the proximal end of the inner cannula and the hinge which is bendable with the outer cannula. The device is particularly suited for accessing neurosurgical sites that are not accessible along a linear path. | 06-17-2010 |
20100152760 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The handpiece includes a proximal section that is angled with respect to a distal section. | 06-17-2010 |
20100152761 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. The outer and inner cannulae are offset from the motor and drive assembly, and the center of gravity of the device is in the forward part of the device, providing an ergonomic design that is particularly suited for neurosurgical applications. | 06-17-2010 |
20100152762 | TISSUE REMOVAL SYSTEM WITH MULTI-DIRECTIONAL FOOT ACTUATOR ASSEMBLY FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting system that is especially suited for neurosurgical applications is disclosed and described. The system includes a tissue cutting device and a bi-directionally manipulable foot actuator assembly that is operatively connected to the tissue cutting device. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula includes a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A vacuum generator is in fluid communication with the inner cannula lumen. When the footswitch is manipulated in a first direction, the vacuum generator generates a vacuum level in the inner cannula lumen. When the footswitch is manipulated in a second direction, the inner cutting cannula is enabled for reciprocation upon manipulating the footswitch in the first direction. | 06-17-2010 |
20100249817 | POSITIONING SYSTEM FOR TISSUE REMOVAL DEVICE - A tissue cutting device especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. At least one position transducer for tracking a location in space of the tissue cutting device is rigidly associated with the handpiece. The position transducer is operable for sending a signal indicative of a location of a distal end of the outer cannula. The tissue cutting device may also include an angular position sensor for determining an angular position of the outer cannula relative to the position transducer. | 09-30-2010 |
20100280409 | REAL-TIME PATHOLOGY - A system for detecting tissue in a patient is disclosed. The system includes an introducer assembly, a surgical instrument and a sensor element. In one configuration, the introducer assembly has a first delivery lumen and a secondary lumen. The surgical instrument is configured for resecting tissue from a patient, and is received within the first delivery lumen. The sensor element is configured to detect at least one property of the tissue of said patient. The sensor being positioned within the secondary lumen so as to contact tissue. | 11-04-2010 |
20110004119 | SURGICAL SYSTEM - A surgical device is disclosed that comprises a cutting element, a biopsy line, a motor line, and a vacuum line. The cutting element includes an outer cannula and an inner cannula. The biopsy line is operatively connected to a control console for moving the inner cannula within the outer cannula to cut tissue cores. The motor line is operatively connected to the control console for operating the surgical device. The vacuum line is operatively connected to the inner cannula. A selectively openable tissue filter is operatively connected to the inner cannula, and is also connected to the vacuum line. | 01-06-2011 |
20110040145 | SURGICAL ADAPTER - A surgical system is provided that includes a device body that has a working channel providing a pathway for an instrument, an extension adjuster engaged with the device body, the extension adjuster also including a stop. The stop is disposed a predetermined distance from the working channel such that the stop and the distal end of the working channel cooperate to define an effective working channel length. The instrument may be inserted through the working channel and protrude outwardly from the distal end of the working channel. The extent of the protrusion is limited by the effective working channel length whereby the stop prevents further insertion of the instrument. | 02-17-2011 |
20110112359 | SURGICAL ADAPTER ASSEMBLY FOR USE WITH ENDOSCOPE - Adapters for properly positioning a portion of a medical instrument that is positioned within an endoscope at site of interest is disclosed. | 05-12-2011 |
20110190801 | TISSUE REMOVAL DEVICE - A tissue removal device is disclosed. In one arrangement, the tissue removal device comprises a cutting member operatively connected to an actuator assembly and a fixed member. The cutting member is configured to slide with respect to the fixed member in a reciprocating manner. A vacuum source is operatively connected to the tissue removal device such that vacuum is supplied to the cutting member to deliver vacuum through the cutting member. | 08-04-2011 |
20110190802 | TISSUE REMOVAL DEVICE WITH TISSUE GRIP - A tissue removal device is disclosed. In one arrangement, the tissue removal device comprises a cutting member operatively connected to an actuator assembly and a fixed member. The cutting member is configured to slide with respect to the fixed member in a reciprocating manner. The fixed member includes an upwardly extending foot plate that defines a contact surface that is configured with an uneven texture that serves as a grip to operatively retain material to be cut when the cutting member is moved toward the foot plate. | 08-04-2011 |
20110190814 | SYSTEM AND METHOD FOR SURGERY - A method and system for conducting surgical procedures is disclosed. | 08-04-2011 |
20120029354 | TISSUE REMOVAL DEVICE WITH ADJUSTABLE DELIVERY SLEEVE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. A delivery sleeve may be selectively provided that is configured to be disposed about the outer cannula for delivery of a variety of devices. | 02-02-2012 |
20120059276 | Biopsy Apparatus - A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cutting element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag. | 03-08-2012 |
20120071748 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath is defined by an open distal end and an open proximal end and includes a hollow body portion therebetween. The obturator is defined by a distal end and a proximal end and the distal end further comprises a tapered distal tip member that terminates in a closed radiused distal tip. The obturator is configured to be received within the outer sheath such that the tapered distal tip member protrudes from the open distal end of the outer sheath when the obturator is in an introducing configuration. | 03-22-2012 |
20120078133 | VACUUM ASSISTED BIOPSY DEVICE - A biopsy device having a stylet, an outer cannula, and a vacuum chamber is disclosed. The stylet includes a lumen with an open proximal end and a tissue receiving opening near a distal end thereof. The outer cannula is slidably disposed over the stylet and has an open distal end with a cutting edge formed thereon. The vacuum chamber is in communication with the lumen of the stylet. Actuation of the outer cannula causes a vacuum to be delivered to the tissue receiving opening through the lumen of the stylet before the outer cannula advances distally. | 03-29-2012 |
20120078279 | MULTI-FUNCTIONAL SURGICAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The device is configured to provide multiple functions during a surgical procedure, in addition to resecting tissue, with a single insertion of the device into a patient. | 03-29-2012 |
20120157879 | SYSTEM AND METHOD OF TAKING AND COLLECTING TISSUE CORES FOR TREATMENT - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described, as well as alternative systems for tissue preservation and transport. The cutting device includes an outer cannula in which a reciprocating inner cannula is disposed. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. A temperature control sleeve may be disposed around the tissue collector to control the temperature of the tissue samples. A preservation system may be supplied that is configured to deliver fluids to tissue samples in the tissue collector. A fluid supply sleeve may be disposed about the outer cannula and is selectively positionable along the length of the outer cannula. | 06-21-2012 |
20120157967 | SYSTEM AND METHOD FOR MINIMALLY INVASIVE DISEASE THERAPY - A system for treating a lesion site of a patient is disclosed. The system includes a cannula having a lumen, a conduit in communication with said lumen, an introducer stylet removably disposed within said cannula, a resecting device selectively insertable within said cannula, and an adjuvant treatment device selectively insertable within said cannula. | 06-21-2012 |
20120165663 | SECUREMENT FOR A SURGICAL SITE MARKER AND DEPLOYMENT DEVICE FOR SAME - A method of securing a biopsy marker within a biopsy site includes depositing a marker element within a biopsy site and fixing the marker element within the biopsy site by injecting a securing agent within the biopsy site. Delivery devices for delivering the securing agent to the biopsy site are also disclosed. | 06-28-2012 |
20120253375 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either within the brain. Once positioned at a desired location, the obturator is removed, leaving a distal end of the outer sheath adjacent an area of interest, and creating a working corridor. Interventional devices may be introduced to the area of interest, as well as a variety of treatments. A subsequent treatment process may also be employed. | 10-04-2012 |
20120289816 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either within the brain. Once positioned at a desired location, the obturator is removed, leaving a distal end of the outer sheath adjacent an area of interest, and creating a working corridor. Interrogation of the area of interest may be performed to evaluate a disorder and/or abnormality, as well as evaluate treatment regimes. Interventional devices may also be introduced to the area of interest, as well as a variety of treatments. | 11-15-2012 |
20120289859 | SYSTEM AND METHOD FOR MINIMALLY INVASIVE DISEASE THERAPY - A system for treating a lesion site of a patient is disclosed. The system includes a cannula having a lumen, a conduit in communication with said lumen, an introducer stylet removably disposed within said cannula, a resecting device selectively insertable within said cannula, and an adjuvant treatment device selectively insertable within said cannula. | 11-15-2012 |
20130023916 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described. The device includes a handpiece and an outer cannula in which a reciprocating inner cannula is disposed. The inner cannula may include a hinge between a body section and a cutting section that allows the cutting section to pivot when the inner cannula reciprocates within the outer cannula. A tissue collector may also be provided and is in fluid communication with the lumen of the inner cannula. The inner cannula reciprocates at a rate that is greater than 1000 reciprocations per minute, and variable aspiration may also be provided to the device to control tissue traction and provide fine shaving and debulking. | 01-24-2013 |
20130053726 | SURGICAL DEVICE AND METHOD OF USING SAME - A surgical system is disclosed. The surgical system comprises a housing, a surgical device and an adapter. The housing includes a distal end. The surgical device comprises, a cutting element extending from the housing at the distal end. The cutting element is selectively rotated and translated relative to a tissue biopsy area. The adapter is configured to selectively and detachably receive the surgical device. The adapter secures the surgical device thereto by at least one latching mechanism such that the surgical device is prevented from moving independently from the adapter. | 02-28-2013 |
20130102851 | HOLDING ARRANGEMENT FOR A SURGICAL ACCESS SYSTEM - Holding arrangements for a surgical access assembly are disclosed. One holding arrangement includes a body portion, an engagement barrel and a retaining member. The retaining member is configured as a hook at a distal end of the body portion and is sized to partially encircle a portion of an outer sheath. The engagement barrel is position on a proximal end of the body portion and is configured to be operatively connected to a surgical holding arrangement. | 04-25-2013 |
20130102886 | SURGICAL ACCESS SYSTEM WITH NAVIGATION ELEMENT AND METHOD OF USING SAME - A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either device within the brain. | 04-25-2013 |
20130130359 | SYSTEM FOR COLLECTING AND PRESERVING TISSUE CORES - A cooling system for preserving tissue is disclosed. The cooling system comprises a base member, a temperature control sleeve constructed of a thermally conductive material, and a selectively removable lid member. The base member defines a reservoir and receives the temperature control sleeve. The temperature control sleeve at least partially defines a tissue collector chamber that is configured to receive a tissue collector. The temperature control sleeve is in communication with the reservoir. The reservoir is configured to receive a cooling medium. A slit formed within the tissue collection chamber that is sized to receive a tubing connected to the tissue collector therethrough. The lid member is configured to be selectively attached to the base member, and permit access to a tube mount for the tissue collector when the lid is attached to the base member. | 05-23-2013 |
20130197394 | VACUUM ASSISTED BIOPSY NEEDLE SET - A biopsy device having a cutting element is disclosed. The cutting element includes an inner cannula having a tissue receiving aperture disposed proximate a distal end thereof and an inner lumen. The inner cannula is slidably disposed within the inner lumen of an outer cannula. A vacuum chamber is disposed about at least a portion of the cutting element and is configured to create a vacuum in the cutting element during a biopsy procedure. The inner cannula is advanced distally outwardly and to cause the vacuum to be generated in the vacuum chamber. The vacuum is delivered to the cutting element whereby tissue is drawn into the tissue receiving aperture. The outer cannula is advanced distally outwardly after the inner cannula such that tissue drawn into the tissue cutting aperture is severed. | 08-01-2013 |
20130204095 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - An illuminating ring assembly is disclosed. The illuminating ring configured to be used with a surgical access element. The illuminating ring assembly comprises a housing defined by a cover and a wall member extending from the cover, wherein the cover and wall member cooperate to define a cavity therein, a light element configured to be disposed with the cavity, and an attachment mechanism configured to selectively attach the housing to a surgical access element. Wherein the cover and the light element both include an opening therethrough. | 08-08-2013 |
20130204287 | SURGICAL ACCESS ASSEMBLY AND METHOD OF USING SAME - A surgical access assembly is described that includes an outer sheath and a selectively removable obturator. The outer sheath is defined by an open distal end and an open proximal end and includes a hollow body portion therebetween. The obturator is defined by a distal end and a proximal end, wherein the distal end further comprises a tapered distal tip member. The obturator is configured to be received within the outer sheath such that the tapered distal tip member protrudes from the open distal end of the outer sheath when the obturator is in an introducing configuration. The outer sheath further includes a gripping member, wherein the gripping member includes at least one retaining notch formed on an outer surface thereof. | 08-08-2013 |
20130211179 | SYSTEM AND METHOD FOR MINIMALLY INVASIVE DISEASE THERAPY - A system for treating a lesion site of a patient is disclosed. The system includes a cannula having a lumen, a conduit in communication with said lumen, an introducer stylet removably disposed within said cannula, a resecting device selectively insertable within said cannula, and an adjuvant treatment device selectively insertable within said cannula. | 08-15-2013 |
20130237753 | SURGICAL INTERFACE FOR USE WITH ENDOSCOPE - Surgical interfaces and adaptors for properly positioning a portion of a medical instrument within an endoscope at a site of interest is disclosed. | 09-12-2013 |
20130324976 | MOTOR DRIVEN SURGICAL INSTRUMENT WITH FLUID CONTROL CIRCUIT - A surgical system includes a surgical tool having a motor with a shaft configured to rotate, a cutting device that reciprocates in accordance with the rotation of the shaft, and a position sensor that determines a state of the motor and outputs a position signal representing the motor state. A fluid regulator provides fluid to the motor, and the motor rotates in accordance with the fluid provided. A controller generates a fluid flow command based at least in part on the position signal. The fluid regulator receives the fluid flow command and regulates fluid flow to the motor accordingly. | 12-05-2013 |
20130331732 | SURGICAL SYSTEM - A surgical device is disclosed that comprises a cutting element, a biopsy line, a motor line, and a vacuum line. The cutting element includes an outer cannula and an inner cannula. The biopsy line is operatively connected to a control console for moving the inner cannula within the outer cannula to cut tissue cores. The motor line is operatively connected to the control console for operating the surgical device. The vacuum line is operatively connected to the inner cannula. A selectively openable tissue filter is operatively connected to the inner cannula, and is also connected to the vacuum line. | 12-12-2013 |
20140012158 | BIOPSY APPARATUS - A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cutting element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag. | 01-09-2014 |
20140017771 | SYSTEM FOR COLLECTING AND PRESERVING TISSUE CORES - A thermal system for preserving tissue is disclosed. The cooling system comprises a base member, a temperature control sleeve constructed of a thermally conductive material, and a selectively removable lid member. The base member defines a reservoir and receives the temperature control sleeve. The temperature control sleeve at least partially defines a tissue collector chamber that is configured to receive a tissue collector. The temperature control sleeve is in communication with the reservoir. The reservoir is configured to receive a cooling medium. A slit formed within the tissue collection chamber that is sized to receive a tubing connected to the tissue collector therethrough. The lid member is configured to be selectively attached to the base member, and permit access to a tube mount for the tissue collector when the lid is attached to the base member. | 01-16-2014 |
20140031683 | SECUREMENT FOR A SURGICAL SITE MARKER AND DEPLOYMENT DEVICE FOR SAME - A method of securing a biopsy marker within a biopsy site includes depositing a marker element within a biopsy site and fixing the marker element within the biopsy site by injecting a securing agent within the biopsy site. Delivery devices for delivering the securing agent to the biopsy site are also disclosed. | 01-30-2014 |
20140066929 | BI-POLAR SURGICAL INSTRUMENT - A surgical device is disclosed that comprises a shaft member and a pair of electrodes. The shaft member has a pair of electrode channels that open at the distal end of the shaft member, wherein the electrode channels are positioned adjacent to one another. The pair of electrodes are configured to deliver energy, and one of the pair of electrodes are configured to be disposed in each electrode channel such that distal ends of each of the electrodes are arranged to protrude from the distal end of the shaft member. The shaft member further includes at least one lumen opening at the distal end of the shaft member. | 03-06-2014 |
20140066930 | BI-POLAR SURGICAL INSTRUMENT - A surgical device is disclosed that comprises a sleeve member, a shaft member and a pair of electrodes. The shaft member extends distally of the sleeve member and has a pair of electrode channels that open at the distal end of the shaft member, wherein the electrode channels are positioned adjacent to one another. The pair of electrodes are configured to deliver energy, and one of the pair of electrodes are configured to be disposed in each electrode channel such that distal ends of each of the electrodes are arranged to protrude from the distal end of the shaft member. An irrigation annulus is formed about the electrodes. The shaft member further includes at least one lumen opening at the distal end of the shaft member. | 03-06-2014 |
20140088526 | VARIABLE ASPIRATION CONTROL DEVICE - An aspiration control device may include a conduit having a distal end and a proximal end. The conduit may define a conduit lumen and an aperture vent open to the conduit lumen. A coupling may be configured to couple the proximal end of the conduit with a vacuum source and an inner cannula of a tissue cutting device. The inner cannula may define an inner cannula lumen wherein the vacuum source is configured to supply a vacuum to each of the coupling lumen and the inner cannula lumen. A sleeve may be movably disposed about the conduit, and a device motor may be in communication with the sleeve and be configured to move the sleeve to a predefined position relative to the vent in response to an input single from a user interface. The predefined position of the sleeve may correspond to a predefined level of vacuum to be supplied to the inner cannula lumen. | 03-27-2014 |
20140142601 | TISSUE REMOVAL DEVICE FOR NEUROSURGICAL AND SPINAL SURGERY APPLICATIONS - A tissue cutting device is disclosed and described. The device includes a handpiece disposed along a first central longitudinal axis and an outer cannula in which a reciprocating inner cannula is disposed. The inner and outer cannulas are disposed along a second longitudinal axis that is axially spaced from the first central longitudinal axis. The device may also include an inner cannula stop position control for selectively controlling the position of the inner cannula when it is at rest. | 05-22-2014 |
20140163547 | ASPIRATING CAUTERY FORCEPS - Multiple surgical devices that may be used during surgical procedures are shown and described herein. A surgical device includes an outer cannula and an inner member that has a pair of electrodes positioned at a distal end. The inner member defines an aspiration delivery channel with an opening. A handle assembly actuates the outer cannula relative to the inner member, thereby adjusting a size of the opening of the aspiration delivery channel. In another exemplary configuration, an irrigation hub is provided to deliver irrigation through the surgical device. | 06-12-2014 |
20140171873 | SURGICAL ACCESS SYSTEM - A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either device within the brain. | 06-19-2014 |
20140187922 | SURGICAL ACCESS SYSTEM WITH NAVIGATION ELEMENT AND METHOD OF USING SAME - A surgical access assembly and method of use is disclosed. The surgical access assembly comprises an outer sheath and an obturator. The outer sheath and obturator are configured to be delivered to an area of interest within the brain. Either the outer sheath or the obturator may be configured to operate with a navigational system to track the location of either device within the brain. | 07-03-2014 |
20140257134 | BIOPSY APPARATUS - A disposable tissue removal device comprises a “tube within a tube” cutting element mounted to a handpiece. The inner cannula of the cutting element defines an inner lumen and terminates in an inwardly beveled, razor-sharp cutting edge. The inner cannula is driven by both a rotary motor and a reciprocating motor. At the end of its stroke, the inner cannula makes contact with the cutting board to completely sever the tissue. An aspiration vacuum is applied to the inner lumen to aspirate excised tissue through the inner cannula and into a collection trap that is removably mounted to the handpiece. The rotary and reciprocating motors are hydraulically powered through a foot pedal operated hydraulic circuit. The entire biopsy device is configured to be disposable. In one embodiment, the cutting element includes a cannula hub that can be connected to a fluid source, such as a valve-controlled saline bag. | 09-11-2014 |
20140277046 | MICROSURGICAL INSTRUMENTS - A surgical instrument is disclosed herein. The surgical instrument comprises a housing, a first actuation member, a second actuation member, and a first cannula. The first actuation member is configured for imparting a reciprocating action to a portion of the instrument. The second actuation member configured for imparting a rotational action to a portion of the instrument. The first cannula is operatively connected to the second actuation member, such that the first cannula is configured for rotational movement with respect to the housing. In one arrangement, a wire member is disposed within the first cannula and is configured to rotate with the first cannula. | 09-18-2014 |
20150031126 | SYSTEM AND METHOD OF TAKING AND COLLECTING TISSUE CORES FOR TREATMENT - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described, as well as alternative systems for tissue preservation and transport. The cutting device includes an outer cannula in which a reciprocating inner cannula is disposed. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. A temperature control sleeve may be disposed around the tissue collector to control the temperature of the tissue samples. A preservation system may be supplied that is configured to deliver fluids to tissue samples in the tissue collector. A fluid supply sleeve may be disposed about the outer cannula and is selectively positionable along the length of the outer cannula. | 01-29-2015 |
20150032025 | SYSTEM AND METHOD OF TAKING AND COLLECTING TISSUE CORES FOR TREATMENT - A tissue cutting device that is especially suited for neurosurgical applications is disclosed and described, as well as alternative systems for tissue preservation and transport. The cutting device includes an outer cannula in which a reciprocating inner cannula is disposed. A tissue collector is also provided and is in fluid communication with the lumen of the inner cannula. A temperature control sleeve may be disposed around the tissue collector to control the temperature of the tissue samples. A preservation system may be supplied that is configured to deliver fluids to tissue samples in the tissue collector. A fluid supply sleeve may be disposed about the outer cannula and is selectively positionable along the length of the outer cannula. | 01-29-2015 |
20150038902 | INFUSION THERAPY DEVICE - An infusion device is disclosed. The infusion device comprises an inner delivery sleeve, an outer sleeve, and a medical balloon. The inner delivery sleeve defines a lumen therethrough, and having at least one opening at or adjacent a distal end that is in communication with the lumen. The outer sleeve is disposed about the inner delivery sleeve. The medical balloon is sealing mounted to the outer sleeve. The outer sleeve includes an inner lumen that is configured to be in communication with a source of pressurized fluid such that the medical balloon may be selectively inflated or deflated. The lumen of the inner delivery sleeve is configured to be in communication with a source of a therapeutic agent such that the therapeutic agent may be selectively delivered through the lumen of the inner delivery sleeve and exit out of the at least one opening, which is positioned distally of the medical balloon. | 02-05-2015 |
20150066019 | SINGLE LUMEN CAUTERY FORCEPS - Multiple surgical devices that may be used during surgical procedures are shown and described herein. A surgical device includes an outer cannula and an inner member that has a pair of electrodes positioned at a distal end. The inner member defines an aspiration delivery channel with an opening. The inner member further defines a pair of electrode channels within which the electrodes are positioned. A handle assembly actuates the outer cannula relative to the inner member, thereby adjusting a size of the opening of the aspiration delivery channel. An irrigation hub is provided to deliver irrigation through the surgical device to the electrode channels. | 03-05-2015 |