Class / Patent application number | Description | Number of patent applications / Date published |
606208000 | Hinge or latch structure | 31 |
20080234725 | END EFFECTOR MECHANISM FOR A SURGICAL INSTRUMENT - Improved end effector mechanisms for a surgical instrument used in minimally invasive surgical instruments as well as instruments for general surgery or as part of robotically controlled end effectors. These end effector mechanisms include multiple grasping elements paired with drive links. Each grasping element also serves as a stabilizing link for the next most distal grasping element, forcing it to maintain its relative angle with respect to the opposing grasping elements. | 09-25-2008 |
20080287985 | Disposable surgical instrument having a locking device - The present invention discloses a surgical instrument having a locking device which locks the instrument in a closed position while bearing a load. The surgical instrument, which may function as forceps, or a tanaculum, is constructed of a disposable material in order to provide a single use medical instrument. By constructing the invention of a disposable material, the unique shape of the disclosed embodiment allows movement of the arms in order to allow tip penetration along the path of least resistance while also minimizing tissue damage and bleeding. The locking device described may further be used on other instruments. | 11-20-2008 |
20090248063 | Crimping device for cranial cruciate ligament stabilization - A crimp tube crimping system including a crimping tool having: a first arm having a proximal end and a distal end, the proximal end comprising a first handle and the distal end comprising a first jaw, a second arm having a proximal end and a distal end, the proximal end comprising a second handle and the distal end comprising a second jaw, the second arm hingedly connected to the first arm, a first straight, flat crimping member integral with the first jaw of the first arm, the first crimping member having a first inner surface width, and a second straight, flat crimping member integral with the second jaw of the second arm, the second crimping member having a second inner surface width, the first and second straight, flat crimping members defining a gap therebetween when the first and second handles close and the crimping tool is in a fully closed position about the crimp tube, the first and second inner surface widths limiting further deformation of the crimp tube, the flat crimping members preventing cutting of a suture within the crimp tube. | 10-01-2009 |
20100042143 | Method of Transferring Pressure in an Articulating Surgical Instrument - An end effector for a surgical instrument includes a fixed bearing member with mounting surfaces for attachment to a distal end of the surgical instrument. At least one jaw member of the end effector is configured to move relative to an opposing jaw member between open and closed configurations, and a force transfer member is configured for longitudinal motion with respect to the fixed bearing member. The end effector also includes a reactive member that has a pivot boss about which the at least one jaw member rotates, and is coupled between the fixed bearing member and the at least one jaw member. The force transfer member applies a longitudinal force to the at least one jaw member at some lateral distance from the pivot boss to urge the at least one jaw member to move between the open and closed configurations. | 02-18-2010 |
20100049243 | HINGED FORCEPS - In some embodiments, a forceps may include at least two arms, at least one finger grip, and a hinge. Finger grips may be positioned on an arm. A hinge may couple two or more arms together In an embodiment, a hinge may allow 60 degrees of separation between coupled arms. A hinge may allow uninhibited movement of one arm relative to the other arm. | 02-25-2010 |
20100063538 | SURGICAL GRASPING DEVICE - A surgical grasping device is disclosed. The surgical grasping device may comprise a clevis; a first jaw member pivotably coupled to the clevis; a second jaw member pivotably coupled to the clevis; and an actuating mechanism coupled to the clevis, the first jaw member and the second jaw member and a translating member coupled to and extending proximally from the actuating mechanism. The actuating mechanism may be configured to cause the first jaw member and the second jaw member to close in response to a first proximally directed force received via the translating member. The actuating mechanism may also be configured to cause the first jaw member and the second jaw member to open in response to a subsequent proximally directed force received via the translating member. | 03-11-2010 |
20100069953 | Method of Transferring Force Using Flexible Fluid-Filled Tubing in an Articulating Surgical Instrument - An endoscopic surgical instrument for sealing tissue includes an elongated shaft defining a proximal shaft axis and a distal shaft axis. The shaft axes may be misaligned to appropriately position and orient an end effector coupled to the distal end of the elongated shaft. The instrument is configured such that the shaft may resist a tendency to realign itself as the end effector moves from an open configuration for receiving tissue to a closed configuration for maintaining a closure pressure on the tissue ranging from about 3 kg/cm | 03-18-2010 |
20100324593 | MEDICAL INSTRUMENT - A medical instrument with a shaft on whose distal end a tool is positioned and on whose proximal end a handle is positioned consisting of at least two gripping members, such that the tool can be actuated by a gripping member of the handle that is moveably configured and such that at least one gripping member of the handle consists of a rigid partial area and a pivotable partial area that can pivot around the rigid partial area. To create a medical instrument that is of simple structure and can be quickly and thoroughly cleaned, it is proposed with the invention that the pivotable partial area of the gripping member can be removably affixed to the rigid partial area of the gripping member by a catch mechanism. | 12-23-2010 |
20110106146 | TOOL FOR MINIMALLY INVASIVE SURGERY - The present invention relates to an easy-to-control tool for minimally invasive surgery. In accordance with an aspect of the present invention, there is provided a tool for minimally invasive surgery comprising, an elongated shaft having a predetermined length, an adjustment handle manually controllable by a user, a pitch direction handling part and a yaw direction handling part positioned around one end of the elongated shaft for transferring motions in pitch and yaw directions following the actuation of the adjustment handle, a pitch direction actuating part and a yaw direction actuating part positioned around the other end of the elongated shaft for operating corresponding to the operations from the pitch direction handling part and the yaw direction handling part, respectively, an end effector controllable by the pitch direction actuating part and the yaw direction actuating part, and a plurality of cables for transferring the from the pitch direction handling part and the yaw direction handling part to the pitch direction actuating part and the yaw direction actuating part, respectively. | 05-05-2011 |
20110112571 | RIGIDLY-LINKED ARTICULATING WRIST WITH DECOUPLED MOTION TRANSMISSION - The present invention is a device having a rigidly linked jaw that is decoupled from an articulating wrist. The device provides for articulating motion as well as actuation that may be used in grasping, cutting, suturing or the like. | 05-12-2011 |
20110208237 | FORCEPS FOR PATHOLOGICAL DIAGNOSIS - A forceps for pathological diagnosis includes first and second proximate arm segments including finger-operable grip ends that are movable towards or away from each other, first and second distal arm segments including grasping-jaw ends that are movable towards or away from each other, a coupling member disposed to bring the relative movement between the first and second proximate arm segments into synchronization with that between the first and second distal arm segments, an ultrasonic probe mounted to the grasping-jaw end of the first distal arm segment, and adapted to transmit ultrasonic waves towards a target tissue that is clamped between the grasping-jaw ends and to receive reflected ultrasonic waves traveling from the target tissue, and a shielding member disposed on the grasping-jaw end of the second distal arm segment, and capable of partially reflecting ultrasonic waves transmitting through the target tissue. | 08-25-2011 |
20110276085 | END EFFECTOR ASSEMBLY WITH INCREASED CLAMPING FORCE FOR A SURGICAL INSTRUMENT - An end effector assembly with increased clamping force for a surgical instrument including a hollow shaft having a proximal end and a distal end, a clevis coupled to the distal end of the hollow shaft, a flat support coupled to the clevis, a deflection member, a procedural member assembly rotatably coupled to the flat support and a pair of actuation means attached to the procedural member assembly and slidable relative to the hollow shaft for rotationally moving the procedural member assembly between a closed and an open position wherein the deflection member engaged the actuation means. The deflection member may be integral with the clevis, coupled to the clevis and the flat support, coupled to just the flat support, may be adjustable or rotatable or coupled to hollow shaft. | 11-10-2011 |
20120059409 | Retractable Ratchet Mechanism for Surgical Instruments - A surgical instrument includes first and second shaft members each having a jaw member disposed at a distal end thereof. One (or both) of the shaft members is moveable with respect to the other from a spaced-apart position to an approximated position for grasping tissue between the jaw members. A first ratchet component is coupled to the first shaft member and defines an engagement plane. A second ratchet component is coupled to the second shaft member and is moveable between a retracted position, wherein the second ratchet component is displaced from the engagement plane, and a deployed position, wherein the second ratchet component is aligned with the engagement plane. When the second ratchet component is in the deployed position, the ratchet components are engageable with one another upon movement of the shaft member(s) to the approximated position to fix the position of the jaw members relative to one another. | 03-08-2012 |
20120109187 | Apparatus for Performing an Electrosurgical Procedure - An endoscopic forceps is provided and includes a housing having a handle assembly including a movable handle having a mechanical interface disposed thereon. An end effector assembly connected to a distal end of the shaft includes a pair of first and second jaw members movable relative to one another from an open to a clamping position. A drive assembly includes a resilient member. A lock assembly is pivotably coupled to the housing and in operative communication with the movable handle. The lock assembly is movable with the handle assembly. The mechanical interface moves along the lock assembly when the movable handle is moved proximally causing the lock assembly to rotate about the pivot point and into communication with the resilient member such that the resilient member is prevented from moving distally against the bias provided therefrom such that the first and second jaw members remain in the clamping position. | 05-03-2012 |
20120265242 | LAPAROSCOPIC INSTRUMENT - The present device relates to a laparoscopic medical instrument, particularly those used for minimally invasive surgery. The instrument has a movable and a stationary handle portion and an extended shaft assembly with a removable actuating rod. An opening on the side of the stationary handle portion allows a user to visually confirm the removable actuating rod is locked into place within the movable handle portion. An opening in the back of the stationary handle portion allows for cleaning and visual inspection of the interior of the shaft assembly portion once the rod is removed. The actuating rod has a grasping mechanism for performing work during surgery. A flush port is located near the distal end of the stationary handle portion. | 10-18-2012 |
20130012986 | TREATMENT TOOL FOR ENDOSCOPE - A treatment tool for endoscope includes a pair of forceps members supported so as to be relatively movable by a rotation shaft, an operation section for performing opening/close operations of the forceps members, and an operation wire for connecting the forceps members to the operation section, wherein the operation section has an operation section main body, a first operation member to which the operation wire is connected and which is slideably attached to the operation section main body, a second operation member which is slideably attached to the first operation member, a force adjustment member which is attached to the second operation member and is compressed by the second operation member is slid to the first operation member. | 01-10-2013 |
20130041403 | DRIVE MECHANISM FOR ARTICULATION OF A SURGICAL INSTRUMENT - A surgical instrument includes a housing, an end effector and an elongated shaft extending therebetween. The elongated shaft includes a distal portion that is movable between aligned and articulated configurations. A pair of drive cables extends through the elongated shaft and is coupled to the distal portion such that reciprocal longitudinal motion of the drive cables induces movement of the distal portion between the aligned and articulated configurations. An articulation drive mechanism is operable to induce reciprocal longitudinal motion of the drive cables. The drive mechanism includes an actuator and a pair of torsion members that are rotatable about two distinct axes in response to movement of the actuator. A respective follower is operatively coupled to each torsion member to translate in a respective longitudinal direction in response to rotation of the torsion members, and each follower is coupled to a respective drive cable to impart translational motion thereto. | 02-14-2013 |
20130096608 | Pliers - Pliers, in particular for surgical purposes, comprises a first plier half and a second plier half, wherein the plier halves are connected to each other via at least one joint, and wherein at least one of the plier halves is provided with at least one rinsing channel. | 04-18-2013 |
20130282052 | APPARATUS FOR ENDOSCOPIC PROCEDURES - A surgical device has a jaw assembly with a first jaw and a second jaw, a pivoting linkage, and a camming assembly configured to pivot the jaw assembly. A cam slot having a first portion, a second portion, and a third portion may have a Y shaped configuration. A flexible shaft allows further pivoting of the jaw assembly. | 10-24-2013 |
20140100602 | LATCH MECHANISM FOR SURGICAL INSTRUMENTS - A surgical instrument includes a pair of jaw members moveable between a spaced-apart and an approximated position. A drive bar is translatable between a distal and a proximal position for moving the jaw members between the spaced-apart and approximated positions. A lever is moveable between an initial position and an actuated position for translating the drive bar between the distal and proximal positions. A sleeve disposed about the drive bar includes an annular track having a substantially radial segment(s) and a substantially longitudinal segment(s). A collar interdisposed between the sleeve and the drive bar includes a stop member(s) extending radially outwardly therefrom. The stop member(s) is engaged within the track and is translatable from a first position, wherein the stop member is positioned within the longitudinal segment, to a second position, wherein the stop member is engaged within the radial segment, to lock the lever in the actuated position. | 04-10-2014 |
20140107697 | Clamping Forceps and Associated Methods - Clamping forceps and associated methods are provided that generally include a head section including first and second clamp members configured to cooperatively clamp so as to at least partially encircle a tumor or other structure, an elongated body section in cooperation with the head section, and a clamping mechanism at least partially movably mounted with respect to the elongated body section. The clamping forceps may include a control mechanism for variably controlling the clamping force, at least one sensor mounted with respect to the clamp member(s), means for fixating the clamp member(s) relative to tissue, the first and second clamp members structured to define a variable perimeter extent, and a clamping mechanism which accommodates variable rates of clamping action. Actuation of the clamping mechanism generally maintains substantially parallel actuation of the first and second clamp members with respect to the tumor or the other anatomical structure. Methods for use of the clamping forceps may include introducing the head section to the surgical site through an incision; positioning a trocar port at the surgical site; introducing at least a portion of the elongated body section to the surgical site through the trocar port; intra-corporeally connecting the head section with respect to the elongated body section; and extra-corporeally actuating the clamping mechanism so as to actuate the first and second clamp members into a clamping position around the tumor or other anatomical structure. | 04-17-2014 |
20140135821 | SURGICAL NEEDLE LOCKS THAT COOPERATE WITH LAPAROSCOPIC FORCEPS AND RELATED METHODS - Surgical laparoscopic forceps include slidably actuatable needle lock to lock jaws of the forceps closed while holding a suture needle trapped in the jaws of the forceps. The needle lock can be a band, ring, clip or sleeve that can be selectively deployed and is sized and configured to fit in a trocar over a shaft of the forceps. | 05-15-2014 |
20140155933 | Medizinisches Instrument - A transmission adapter for a medical instrument with a shank, a transmission device movable in the shank, and a manipulating device with a first part, which can be coupled mechanically rigidly to a proximal end of the shank, and a second part, which is movable relative to the first part, includes a first coupling element for releasable mechanical coupling to the second part of the manipulating device, and a second coupling element for releasable mechanical coupling to a proximal end of the transmission device. | 06-05-2014 |
20150051640 | SURGICAL INSTRUMENT - A surgical instrument is provided. The surgical instrument includes a housing. A movable handle is coupled to the housing and is configured to approximate a pair of jaw members toward and away from one another. A latch mechanism operably couples to the movable handle and includes one or more mechanical interfaces configured to selectively engage a corresponding mechanical interface disposed within the housing to lock and unlock the jaw members in an approximated configuration. When the movable handle is in a jammed position, the mechanical interface(s) of the latch mechanism is/are configured to deform and separate from the corresponding mechanical interface disposed within the housing when the movable handle is moved from the jammed position. | 02-19-2015 |
20150127045 | ENDOSCOPIC INSTRUMENT - An endoscopic instrument includes a shank ( | 05-07-2015 |
20150148839 | MINIMALLY INVASIVE SURGERY TOOL HAVING VARIABLE BEND - The present invention relates to a minimally invasive surgery tool having a variable bend. According to one embodiment of the present invention, provided is the minimally invasive surgery tool comprising: a shaft; an end constituent element which is connected to one end of the shaft; and a first joint portion which is arranged between the shaft and the end constituent element, wherein the first joint portion comprises a modifiable link portion which can variably form the bend by means of the reaction of at least one wire. | 05-28-2015 |
20160008018 | Endoscopic Instrument | 01-14-2016 |
20160015406 | Intracorporeal Introduction Instrument - The present invention addresses the problem of providing an intracorporeal introduction instrument capable of reducing patient and medical practitioner hardship by simplifying surgical procedures and shortening surgery time. An intracorporeal introduction instrument ( | 01-21-2016 |
20160022298 | DETACHABLE END EFFECTOR AND LOADER - A surgical device comprises an elongate shaft having an outer tube and an inner rod positioned in the outer tube. The outer tube and inner rod each comprise a distal end and a proximal end. An actuator is operably connected to the proximal ends of the outer tube and the inner rod. An end effector is adapted for in vivo attachment to and detachment from the elongate shaft. The end effector comprises an outer casing comprising a first detent mating feature adapted to engage the distal end of the outer tube; an inner shuttle axially moveable relative the outer casing, the shuttle comprising a second detent mating feature adapted to engage the distal end of the inner rod; and a pair of surgical jaws having an opened position and closed position dependant on the relative axial position of the shuttle and casing. A tubular loader is sized to receive the end effector, the tubular loader comprising third detent mating feature adapted engage end effector. | 01-28-2016 |
20160192959 | Twin Forceps for Single Access Laparoscopy | 07-07-2016 |
20170231653 | ROBOTICALLY CONTROLLING MECHANICAL ADVANTAGE GRIPPING | 08-17-2017 |