| Patent application number | Description | Published |
|---|
| 20090248018 | Electrosurgical Pencil Including Improved Controls - The present disclosure relates to electrosurgical devices having a plurality of hand-accessible variable controls. An electrosurgical device configured for connection to a source of electrosurgical energy is provided and includes a housing; an electrical circuit supported within the housing, the electrical circuit being connectable to the source of electrosurgical energy; and a controller slidably supported on the housing, wherein the controller is configured to exert a force on the electrical circuit to affect a change in the electrical circuit and to exert a force on a surface of the housing to provide a tactile feedback to a user of the electrosurgical device as the controller is moved relative to the housing. | 10-01-2009 |
| 20100023009 | OPEN VESSEL SEALING INSTRUMENT WITH HOURGLASS CUTTING MECHANISM AND OVERRATCHET SAFETY - An open electrosurgical forceps includes a pair of first and second shaft members each having a jaw member disposed at its distal end. The jaw members are movable from a first position in spaced relation relative to one another to a subsequent position wherein the jaw members cooperate to grasp tissue. Each of the jaw members includes an electrically conductive scaling plate for communicating electrosurgical energy through tissue. A curved knife channel is defined along the length of one of the jaw members and is dimensioned to reciprocate a cutting mechanism. An actuator selectively advances the cutting mechanism from a first position proximal to tissue held between the jaw members to a subsequent position distal to tissue held between the jaw members. The cutting mechanism includes a generally hourglass-shaped flexible blade having a mutually aggregating notch. | 01-28-2010 |
| 20100042100 | Vessel Sealing Instrument - A bipolar electrosurgical instrument for clamping, grasping, manipulating, and sealing tissue includes first and second shafts each having a jaw member extending from a distal end thereof and a handle disposed at a proximal end thereof. The handle being operable to effect movement of the jaw members relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. The bipolar instrument is connectable to a source of electrical energy having a first electrical potential connected to one of the jaw members and a second electrical potential connected to the other of the jaw members such that the jaw members are capable of selectively conducting energy though tissue held therebetween to effect a seal. Both the first and second electrical potentials are transmitted to the jaw members through the first shaft. | 02-18-2010 |
| 20100249776 | Apparatus, System, and Method for Performing an Endoscopic Electrosurgical Procedure - A bipolar forceps includes an end effector assembly having a flexible jaw member and a fixed jaw member. The flexible jaw member has a flange operably coupled to the fixed jaw member about a pivot. A drive assembly is configured to pivot the flexible jaw member relative to the fixed jaw member from a first position and a second position. A handle is movable between an open position when the jaw members are disposed in the first position and a closed position to cause the drive assembly to rotate the flange about the pivot in a second direction to move the jaw members to the second position. A distal end of the flexible jaw member is configured to engage the fixed jaw member prior to a proximal portion of the flexible jaw member upon movement of the jaw members to the second position. | 09-30-2010 |
| 20100286691 | Apparatus, System, and Method for Performing an Electrosurgical Procedure - The present disclosure provides a bipolar forceps. The bipolar forceps includes a housing having a handle assembly including a movable handle and one or more shafts. An end effector assembly operatively connects to a distal end of the shaft and includes a pair of first and second jaw members. A solenoid is in operative communication with the movable handle and operatively couples to a drive rod operatively coupled to at least one of the first and second jaw members for causing movement thereof. One or both of the first and second jaw members includes one or more teeth configured to engage one or more teeth located on the drive rod such that rotation of the solenoid imparts one of longitudinal and rotational movement of the drive rod such that at least one of the first and second jaw members moves between the open and closed positions. | 11-11-2010 |
| 20110082457 | Apparatus, System, and Method for Performing an Electrosurgical Procedure - A bipolar forceps includes a shaft extending from a housing and includes an end effector assembly at its distal end. The end effector assembly has a pair of jaw members movable between an open position and a closed position. A knife assembly includes a cutter having a generally circular cross-section. The cutter is configured to cut tissue when the jaw members are in the closed position. One or more electrically conductive tissue sealing plates are disposed on each of the jaw members. The tissue sealing plates are adapted to connect to an electrosurgical energy source configured to deliver electrosurgical energy to tissue held between the jaw members to effect a tissue seal. An actuator is operably coupled to the knife assembly and is configured to selectively reciprocate the cutter relative to the jaw members. | 04-07-2011 |
| 20110082494 | Jaw, Blade and Gap Manufacturing for Surgical Instruments With Small Jaws - An endoscopic forceps includes an elongate shaft defining an instrument axis. An end effector includes first and second jaw members each supporting an opposed sealing surface for clamping tissue. At least one of the jaw members is movable relative to the instrument axis such that the jaw members are movable between a first spaced-apart configuration and a second closed configuration for grasping tissue. A cutting instrument includes a reciprocating blade translatable relative to the sealing surfaces to sever tissue clamped between the jaw members. The reciprocating blade contacts an undersurface of at least one of the jaw members when the jaw members are in the second configuration to define a gap distance between the sealing surfaces. A handle adjacent the proximal end of the elongate shaft is operable to induce motion in the jaw members, and an actuator is operable to selectively translate the reciprocating blade. | 04-07-2011 |
| Patent application number | Description | Published |
|---|
| 20090018535 | ARTICULATING BIPOLAR ELECTROSURGICAL INSTRUMENT - A bipolar electrosurgical instrument has a pair of pivotable juxtaposed jaw members and a locking mechanism operatively associated with a second of the jaw members. The locking mechanism has a first position engaged with the second jaw member for preventing movement of the second jaw member between an axially aligned orientation and at least one angled orientation, and a second position. The second position is disengaged from the second jaw member allowing for movement of the second jaw member between the axially aligned orientation and the at least one angled orientation. The instrument has an actuation mechanism operatively connected to a first of the jaw members with the actuation mechanism operable to move the first jaw member between an axially aligned first orientation and at least one angled orientation. An articulation knob is operatively associated with the locking mechanism and effectuates independent operation of the locking and actuation mechanisms. | 01-15-2009 |
| 20090082766 | Tissue Sealer and End Effector Assembly and Method of Manufacturing Same - A bipolar forceps for sealing tissue includes at least one shaft having an end effector assembly disposed at a distal end thereof. The end effector assembly includes a pair of first and second opposing jaw members movable relative to one another from a first position wherein the jaw members are disposed in spaced relation relative to one another to a second position wherein the jaw members cooperate to grasp tissue therebetween. At least the first jaw member includes proximal and distal ends which define a cavity along a length thereof which houses an insulative member therein. The insulative member includes an electrically conductive sealing surface mounted thereto which resides in substantial opposition with a second electrically conductive sealing surface disposed on the second jaw member. One end of the first jaw member which defines the cavity extends a fixed distance toward the second jaw member to form a gap between electrically conductive surfaces when the jaw members are closed to grasp tissue. | 03-26-2009 |
| 20090082767 | Tissue Sealer and End Effector Assembly and Method of Manufacturing Same - A method for manufacturing an end effector assembly for sealing tissue includes the initial step of providing a pair of first and second jaw members each including an inwardly facing electrically conductive sealing surface. The method also includes the steps of: coating the inwardly facing electrically conductive sealing surface of one or both jaw members with an insulative material, the coating having a thickness within the range of about 0.001 inches to about 0.010 inches; allowing the insulative material to cure onto the inwardly facing electrically conductive sealing surface; removing a portion of the insulative material from the inwardly facing electrically conductive sealing surface to form a series of stop members arranged thereacross; and assembling the pair of first and second jaw members about a pivot such that the two inwardly facing electrically conductive sealing surfaces are substantially opposed to each other in pivotal relation relative to one another. | 03-26-2009 |
| 20090082769 | Tissue Sealer and End Effector Assembly and Method of Manufacturing Same - A method for manufacturing an end effector assembly for sealing tissue includes the initial step of providing first and second electrically conductive sealing plates. The method also includes the steps of: encasing at least one of the electrically conductive sealing plates in a substantially moldable insulative material; applying a load to the electrically conductive sealing plates; allowing the insulative material to deform to create a gap between the sealing plates between about 0.001 inches to about 0.010 inches; and allowing the insulative material to cure. | 03-26-2009 |
| 20100057078 | Catheter With Remotely Extendible Instruments - An electrosurgical apparatus for performing a surgical procedure includes a housing having an elongated flexible shaft with proximal and distal ends. The shaft having a plurality of tubes disposed therein that define a corresponding plurality of working channels configured to house a corresponding plurality of surgical instruments. An actuator is dimensioned for selective reciprocation within the shaft and configured to operably engage one or more of the corresponding plurality of surgical instruments and deploy the corresponding surgical instrument to an operating cavity as needed during a surgical procedure. | 03-04-2010 |
| 20100094288 | System and Method for Delivering High Current to Electrosurgical Device - An electrosurgical system is disclosed. The system includes an electrosurgical generator adapted to supply electrosurgical power and an electrosurgical device coupled to the electrosurgical generator. The electrosurgical device includes a transformer and one or more active electrodes coupled thereto, wherein the transformer is adapted to step down the voltage of the power supplied by the electrosurgical generator. | 04-15-2010 |
| 20100312238 | Articulating Bipolar Electrosurgical Instrument - A bipolar electrosurgical instrument has a pair of pivotable juxtaposed jaw members and a locking mechanism operatively associated with a second of the jaw members. The locking mechanism has a first position engaged with the second jaw member for preventing movement of the second jaw member between an axially aligned orientation and at least one angled orientation, and a second position. The second position is disengaged from the second jaw member allowing for movement of the second jaw member between the axially aligned orientation and the at least one angled orientation. The instrument has an actuation mechanism operatively connected to a first of the jaw members with the actuation mechanism operable to move the first jaw member between an axially aligned first orientation and at least one angled orientation. An articulation knob is operatively associated with the locking mechanism and effectuates independent operation of the locking and actuation mechanisms. | 12-09-2010 |
