Patent application number | Description | Published |
20080200940 | ULTRASONIC DEVICE FOR CUTTING AND COAGULATING - An ultrasonic surgical instrument that is configured to permit selective positioning of the relative distance between an end effector for cutting and coagulating tissue and a power actuation switch that is carried by the instrument for selectively energizing the end effector. In one instance, the end effector is able to change position relative to the actuation switch, alternatively, the actuation switch moves relative to the end effector, and still further, both the end effector and the actuation switch are capable of moving relative to each other. | 08-21-2008 |
20100030032 | ACCESS DEVICE - A surgical access device includes a base having two or more ports or apertures that provide for the insertion of surgical instruments. The multi-port insert may be used with a laparoscopic access device. The multi-port insert may also include one or more instrument supports that are attached to the base to fix the position of one or more surgical instruments inserted through the multi-port insert. | 02-04-2010 |
20100106176 | Trocar Obturator - A trocar obturator includes a shaft having a proximal end and a distal end. The shaft also includes an outer surface. A tip member is secured to the distal end of the shaft, the tip member including a first end and a second end, as well as an outer surface. A keyed coupling structure links the tip member to the shaft, wherein the shaft adjacent the tip member tapers to a surface diameter substantially coextensive with the outer surface of the tip member and the tip member adjacent the shaft tapers to a surface diameter substantially coextensive with the outer surface of the shaft. | 04-29-2010 |
20100298743 | THERMALLY-ACTIVATED COUPLING ARRANGEMENTS AND METHODS FOR ATTACHING TOOLS TO ULTRASONIC SURGICAL INSTRUMENTS - An ultrasonic surgical instrument that has a waveguide that protrudes distally from the handpiece and a surgical tool that is configured to be coupled to the waveguide upon application of thermal energy to the waveguide or the surgical tool. | 11-25-2010 |
20100331869 | ULTRASONIC SURGICAL INSTRUMENTS - In one general aspect, various embodiments are directed to an ultrasonic surgical instrument that comprises a transducer configured to produce vibrations along a longitudinal axis at a predetermined frequency. In various embodiments, an ultrasonic blade extends along the longitudinal axis and is coupled to the transducer. In various embodiments, the ultrasonic blade includes a body having a proximal end and a distal end, wherein the distal end is movable relative to the longitudinal axis by the vibrations produced by the transducer. | 12-30-2010 |
20110087213 | SURGICAL GENERATOR FOR ULTRASONIC AND ELECTROSURGICAL DEVICES - A surgical generator for providing a drive signal to a surgical device may have a receptacle assembly having a receptacle body, a flange and a central protruding portion. The outer periphery of the central protruding portion may have at least one curved section and at least one linear section. Additionally, a surgical instrument may comprise an electrical connector assembly having a flange. The flange may comprise at least one curved section and at least one linear section. In some embodiments, A surgical instrument system may comprise a surgical generator, a surgical instrument comprising a connector assembly, and an adapter assembly operatively coupled to the receptacle assembly and the connector assembly. | 04-14-2011 |
20120059289 | COUPLING ARRANGEMENTS AND METHODS FOR ATTACHING TOOLS TO ULTRASONIC SURGICAL INSTRUMENTS - An ultrasonic surgical instrument that has a waveguide that protrudes distally from the handpiece and a surgical tool that is configured to be coupled to the waveguide upon application of thermal energy to the waveguide or the surgical tool. | 03-08-2012 |
20120078244 | CONTROL FEATURES FOR ARTICULATING SURGICAL DEVICE - An electrosurgical device includes a body, an end effector, a cutting member, and a shaft. The end effector comprises a pair of jaws and at least one electrode that is operable to deliver RF energy to tissue clamped between the jaws. The cutting member is operable to cut tissue clamped between the jaws. The shaft includes an articulation section that is operable to selectively articulate the end effector relative to the shaft. The body includes a controller operable to selectively actuate the articulation section. The controller may include a trigger that also drives the cutting member, a rotator that also rotates the shaft and end effector, a wedge-shaped pivoting member, a pivotally coupled pair of housing portions, or a pivoting cam member, etc. A release member may selectively release the articulation section from the controller, allowing a resilient bias to return the end effector into alignment with the shaft. | 03-29-2012 |
20120078248 | ARTICULATION JOINT FEATURES FOR ARTICULATING SURGICAL DEVICE - An electrosurgical device comprises a body, an end effector, a cutting member, and a shaft extending between the body and the end effector. The end effector includes a pair of jaws and at least one electrode operable to deliver RF energy to tissue clamped between the jaws. The cutting member is operable to cut tissue clamped between the jaws. The shaft includes an articulation section that is operable to selectively position the end effector at non-parallel positions relative to the longitudinal axis of the shaft. The articulation section may include beads, segments, asymmetric features, preformedly bent features, an integral hinge, a helical cutout or spring, clevis features, an angled joint, a beaded actuation linkage, and/or an offset pivot, among other things. The device may also include a crimped cutting member, a retroacting cutting member, dual pivoting jaws, and/or a wire tensioning assembly. | 03-29-2012 |
20120078249 | ULTRASONIC DEVICE FOR CUTTING AND COAGULATING - Apparatus and method to permit selective cutting and coagulation required in fine and delicate surgical procedures. The apparatus includes two body members having proximal ends and distal ends with jaw members located adjacent the body member's distal ends. The body members are joined at a pivot located adjacent to the first and second jaw members joining the first and second body members where the body members' rotation about the pivot defines a plane of rotation. The scissors are adapted for selective application of energy to at least one jaw member by a switch located in the plane of rotation. | 03-29-2012 |
20120083784 | SURGICAL INSTRUMENT WITH JAW MEMBER - A surgical instrument for supplying energy to tissue may comprise a handle, a trigger, an electrical input, and a shaft extending from the handle. The surgical instrument may comprise and end effector first and second tissue engaging surfaces that are slanted with respect to a transection plane. The end effector may, for example, have an electrode defining a V-shaped cross sectional profile. The end effector may comprise a plurality of raised surfaces that are received by a plurality of indentions when the end effector is in the closed position. The end effector may comprise a cutting member having a plurality of bands. | 04-05-2012 |
20120116391 | SURGICAL INSTRUMENT WITH SENSOR AND POWERED CONTROL - A surgical instrument includes a temperature sensor and a control unit that is operable to deactivate an end effector of the surgical instrument. In some versions the temperature sensor detects the temperature of a transducer, while in others the temperature sensor detects the temperature of the end effector. The surgical instrument may also include a trigger and a trigger position sensor. A force sensor or a position sensor may be included to determine the force and/or position of the transmission assembly. The end effector may also include a force sensor or a micro coil. A surgical instrument having a sensor may be included in a surgical system that includes a control unit and a remote controller. In some instances the remote controller may have one or more force-feedback components. In addition, a device interface and a surgeon interface may be included to remotely adjust the settings of the control unit. | 05-10-2012 |
20120172783 | OBESITY THERAPY AND HEART RATE VARIABILITY - Methods and devices are provided for delivering obesity therapy to a patient. In general, the methods and devices allow for onset of a patient eating solid food, e.g., the patient beginning a meal, to trigger delivery of an obesity therapy to a patient. The obesity therapy can be delivered to the patient for a limited period of time such that the patient stops receiving the obesity therapy prior to a second onset of the patient eating solid food, e.g., the patient beginning a second meal, which can trigger a second delivery of the obesity therapy to the patient for a limited period of time. | 07-05-2012 |
20120191076 | SURGICAL INSTRUMENT WITH SELECTIVELY RIGIDIZABLE FEATURES - Mechanisms for altering the shape of a cell or chamber of a shaft or an actuation drive of an instrument are provided. The mechanisms may selectively rigidize the shaft of surgical or diagnostic instruments. The shaft assembly includes a shaft operatively connectable to a control member, at least one cell or a set of cells defined within the shaft, a shape altering material contained within the cell or cells, and, an activation link operatively connectable to a source of activation energy for delivering activation energy to each cell for activating the shape altering material to selectively rigidize or unrigidize the shaft. An actuator for producing work is also provided that includes an element within a housing that defines a cell or a set of cells. The shape altering material is contained within the cells, and a source of activation energy operatively connected to each cell for activating the shape altering material to expand or contract the cell. The element is operatively connectable to a driving member of an instrument such that the change in the cell is translated to the driving member to facilitate the production of work. | 07-26-2012 |
20130178882 | ULTRASONIC SURGICAL INSTRUMENTS - In one general aspect, various embodiments are directed to an ultrasonic surgical instrument that comprises a transducer configured to produce vibrations along a longitudinal axis at a predetermined frequency. In various embodiments, an ultrasonic blade extends along the longitudinal axis and is coupled to the transducer. In various embodiments, the ultrasonic blade includes a body having a proximal end and a distal end, wherein the distal end is movable relative to the longitudinal axis by the vibrations produced by the transducer. | 07-11-2013 |
20140094801 | MULTI-FUNCTION BI-POLAR FORCEPS - An end effector is disclosed. The end effector includes a first jaw member. The first jaw member comprises a first electrode. The first jaw member defines a first aperture at a distal end. The end effector includes a second jaw member. The second jaw member comprises a second electrode. The second jaw member defines a second aperture at a distal end. The second jaw member is operatively coupled to the first jaw member. The first and second apertures are configured to define a single aperture when the first and second jaw members are in a closed position. The first and second electrodes are configured to deliver energy. | 04-03-2014 |
20140207163 | ULTRASONIC DEVICE FOR CUTTING AND COAGULATING - Apparatus and method to permit selective cutting and coagulation required in fine and delicate surgical procedures. The apparatus includes two body members having proximal ends and distal ends with jaw members located adjacent the body member's distal ends. The body members are joined at a pivot located adjacent to the first and second jaw members joining the first and second body members where the body members' rotation about the pivot defines a plane of rotation. The scissors are adapted for selective application of energy to at least one jaw member by a switch located in the plane of rotation. | 07-24-2014 |
20140222054 | ULTRASONIC DEVICE FOR CUTTING AND COAGULATING - An ultrasonic surgical instrument that is configured to permit selective positioning of the relative distance between an end effector for cutting and coagulating tissue and a power actuation switch that is carried by the instrument for selectively energizing the end effector. In one instance, the end effector is able to change position relative to the actuation switch, alternatively, the actuation switch moves relative to the end effector, and still further, both the end effector and the actuation switch are capable of moving relative to each other. | 08-07-2014 |
20140243864 | ULTRASONIC SURGICAL INSTRUMENTS - In one general aspect, various embodiments are directed to an ultrasonic surgical instrument that comprises a transducer configured to produce vibrations along a longitudinal axis at a predetermined frequency. In various embodiments, an ultrasonic blade extends along the longitudinal axis and is coupled to the transducer. In various embodiments, the ultrasonic blade includes a body having a proximal end and a distal end, wherein the distal end is movable relative to the longitudinal axis by the vibrations produced by the transducer. | 08-28-2014 |
20140276731 | ELECTROSURGICAL INSTRUMENT END EFFECTOR WITH COMPLIANT ELECTRODE - An end effector for operating on tissue comprises an upper jaw, a lower jaw, a flexible member, and a pair of conductive members. The upper jaw and the lower jaw are configured to receive tissue when in an open position and the upper jaw is movable toward the lower jaw. The flexible member is coupled to either the upper jaw or the lower jaw, and is configured to deform in response to compression of tissue between the jaws. One of the conductive members is associated with the flexible member and is configured to move with the flexible member in response to compression of tissue between the jaws. The end effector may be configured to manipulate the position of muscle within tissue in response to compression of tissue between the jaws. | 09-18-2014 |
20140316408 | SURGICAL INSTRUMENT WITH JAW MEMBER - A surgical instrument for supplying energy to tissue may comprise a handle, a trigger, an electrical input, and a shaft extending from the handle. The surgical instrument may comprise and end effector first and second tissue engaging surfaces that are slanted with respect to a transection plane. The end effector may, for example, have an electrode defining a V-shaped cross sectional profile. The end effector may comprise a plurality of raised surfaces that are received by a plurality of indentions when the end effector is in the closed position. The end effector may comprise a cutting member having a plurality of bands. | 10-23-2014 |
20140336698 | SURGICAL INSTRUMENT WITH SPLIT JAW - An apparatus for operating on tissue includes an end effector having a first jaw and a second jaw that pivots relative to the first jaw from a closed position to an open position. The second jaw includes a first portion and a second portion that pivots relative to the first portion. The second portion is positioned adjacent to the first portion of the second jaw when the second jaw is in the closed position. The first and second portions of the second jaw pivot outwardly as the second jaw is pivoted from the closed position to the open position. | 11-13-2014 |
20150080879 | INTEGRATED SYSTEMS FOR ELECTROSURGICAL STEAM OR SMOKE CONTROL - A medical device includes an end effector configured to apply bipolar energy to target tissue along a working portion thereof and a fluid control system to control the flow of a fluid produced when the end effector applies the bipolar energy to heat the target tissue. The fluid control system includes a fluid path element defining a fluid path, a distal fluid port configured to intake the fluid adjacent to the working portion of an end effector for transport through the fluid path, and a proximal fluid port configured to intake the fluid transported through the fluid path and to exhaust the transported fluid. | 03-19-2015 |
Patent application number | Description | Published |
20100081863 | METHODS AND DEVICES FOR PERFORMING GASTRECTOMIES AND GASTROPLASTIES - Methods and devices are provided for performing gastrectomies and gastroplasties. In one embodiment, a method includes gaining access to a stomach of a patient through an opening formed in the patient's abdominal wall and an opening formed in the patient's vaginal wall. Tissue attached to the stomach can be tensioned using a surgical instrument inserted through one of the abdominal and vaginal openings and can be separated from the stomach to free the stomach fundus using a dissecting surgical instrument inserted through another opening, e.g., through one of the abdominal and vaginal openings. The fundus can be at least partially transected using a surgical stapler inserted through one of the abdominal and vaginal openings, thereby forming a stomach “sleeve.” In another embodiment, the method is modified to form another opening in the patient's abdominal wall instead of forming an opening in the vaginal wall. | 04-01-2010 |
20100081864 | METHODS AND DEVICES FOR PERFORMING GASTRECTOMIES AND GASTROPLASTIES - Methods and devices are provided for performing gastrectomies and gastroplasties. In one embodiment, a method includes gaining access to a stomach of a patient through an opening formed in the patient's abdominal wall and an opening formed in the patient's vaginal wall. Tissue attached to the stomach can be tensioned using a surgical instrument inserted through one of the abdominal and vaginal openings and can be separated from the stomach to free the stomach fundus using a dissecting surgical instrument inserted through another opening, e.g., through one of the abdominal and vaginal openings. The fundus can be at least partially transected using a surgical stapler inserted through one of the abdominal and vaginal openings, thereby forming a stomach “sleeve.” In another embodiment, the method is modified to form another opening in the patient's abdominal wall instead of forming an opening in the vaginal wall. | 04-01-2010 |
20100081880 | Surgical Access Device - Various devices are provided for allowing multiple surgical instruments to be inserted through a single surgical access device at variable angles of insertion, allowing for ease of manipulation within a patient's body while maintaining insufflation. Safety shields and release mechanisms are also provided for use with various surgical access devices. | 04-01-2010 |
20100081881 | Surgical Access Device with Protective Element - Various devices are provided for allowing multiple surgical instruments to be inserted through a single surgical access device at variable angles of insertion, allowing for ease of manipulation within a patient's body while maintaining insufflation. Safety shields and release mechanisms are also provided for use with various surgical access devices. | 04-01-2010 |
20100081883 | METHODS AND DEVICES FOR PERFORMING GASTROPLASTIES USING A MULTIPLE PORT ACCESS DEVICE - Methods and devices are provided for performing gastroplasties. In one embodiment, a method of performing a gastroplasty includes gaining access to a stomach of a patient through an opening formed in the patient's abdominal wall. A multiple port access device having two or more sealing ports through which surgical instruments can be inserted can be positioned in the abdominal opening. Various instruments can be inserted through the various sealing ports to perform certain steps, such as tensioning and cutting tissue, sizing and transecting the stomach, viewing the surgical site, etc. The methods and devices can be used to perform a Magenstrasse and Mill procedure in which only a portion of the stomach is transected. | 04-01-2010 |