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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0146682 (2016-05-04) |
| 등록번호 | US-9861430 (2018-01-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 0 인용 특허 : 479 |
An endoscopic bipolar forceps includes an elongated shaft having opposing jaw members at a distal end thereof. The jaw members are 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 ja
An endoscopic bipolar forceps includes an elongated shaft having opposing jaw members at a distal end thereof. The jaw members are 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. The forceps also includes a source of electrical energy connected to each jaw member such that the jaw members are capable of conducting energy through tissue held therebetween to effect a seal. A generally tube-like cutter is included which is slidably engaged about the elongated shaft and which is selectively movable about the elongated shaft to engage and cut tissue on at least one side of the jaw members while the tissue is engaged between jaw members.
1. An electrosurgical instrument, comprising: a housing;an elongated shaft extending distally from the housing;first and second jaw members disposed at a distal end of the elongated shaft, at least one of the jaw members movable relative to the other from an open position to a closed position, at le
1. An electrosurgical instrument, comprising: a housing;an elongated shaft extending distally from the housing;first and second jaw members disposed at a distal end of the elongated shaft, at least one of the jaw members movable relative to the other from an open position to a closed position, at least one of the jaw members adapted to connect to an electrosurgical energy source;a knife configured for selective advancement between the jaw members;a trigger operably coupled to the housing and the knife, the trigger movable relative to the housing through a first actuation path and a second actuation path different from the first actuation path; andat least one switch electrically coupled to at least one of the jaw members and disposed within the first actuation path of the trigger,wherein the trigger is movable along the first actuation path between an initial position and a first actuated position to actuate the at least one switch to supply electrosurgical energy to the at least one of the jaw members, and along the second actuation path between the initial position and a second actuated position to advance the knife between the jaw members. 2. The electrosurgical instrument according to claim 1, further comprising a knife rod operably coupled between the trigger and the knife, wherein movement of the trigger to the second actuated position translates the knife rod distally to thereby advance the knife between the jaw members. 3. The electrosurgical instrument according to claim 1, wherein the trigger is configured to move from the initial position to the first actuated position along the first actuation path in a first direction, and wherein the trigger is configured to move from the initial position to the second actuated position along the second actuation path in a second, different direction. 4. The electrosurgical instrument according to claim 3, wherein the first and second directions are perpendicular relative to one another. 5. The electrosurgical instrument according to claim 1, further comprising a movable handle operably coupled to the housing, wherein actuation of the movable handle moves the at least one of the jaw members from the open position to the closed position. 6. The electrosurgical instrument according to claim 5, further comprising a drive rod operably coupled between the movable handle and the at least one of the jaw members, wherein actuation of the movable handle translates the drive rod to thereby move the at least one of the jaw members from the open position to the closed position. 7. The electrosurgical instrument according to claim 5, further comprising a lockout link configured to inhibit the trigger from being moved to the second actuated position when the jaw members are disposed in the open position. 8. The electrosurgical instrument according to claim 7, wherein actuation of the movable handle moves the lockout link to enable movement of the trigger to the second actuated position. 9. The electrosurgical instrument according to claim 1, further comprising a knife channel defined within at least one of the jaw members, wherein the knife is configured to reciprocate through the at least one knife channel. 10. An electrosurgical instrument, comprising: a housing;an elongated shaft extending distally from the housing and defining a longitudinal axis;first and second jaw members disposed at a distal end of the elongated shaft, at least one of the jaw members movable relative to the other from an open position to a closed position, at least one of the jaw members adapted to connect to an electrosurgical energy source such that electrosurgical energy may be selectively communicated through tissue held between the jaw members;a knife configured for selective advancement between the jaw members;a trigger operably coupled to the housing and the knife, the trigger movable relative to the housing through a first actuation path and a second actuation path different from the first actuation path; andat least one switch electrically coupled to at least one of the jaw members and disposed within the second actuation path of the trigger,wherein the trigger is movable along the first actuation path in a first direction to advance the knife between the jaw members, and wherein the trigger is movable along the second actuation path in a second, different direction to actuate the at least one switch to supply electrosurgical energy to at least one of the jaw members. 11. The electrosurgical instrument according to claim 10, wherein the first and second directions are perpendicular to one another. 12. The electrosurgical instrument according to claim 10, wherein the first direction extends parallel relative to the longitudinal axis, and wherein the second direction extends at an angle relative to the longitudinal axis. 13. The electrosurgical instrument according to claim 12, wherein the second direction is perpendicular to the first direction. 14. The electrosurgical instrument according to claim 10, further comprising a knife rod operably coupled between the trigger and the knife, wherein movement of the trigger in the second direction translates the knife rod distally to thereby advance the knife between the jaw members. 15. The electrosurgical instrument according to claim 10, further comprising a movable handle operably coupled to the housing, wherein actuation of the movable handle moves the at least one of the jaw members from the open position to the closed position. 16. The electrosurgical instrument according to claim 15, further comprising a drive rod operably coupled between the movable handle and the at least one of the jaw members, wherein actuation of the movable handle translates the drive rod to thereby move the at least one of the jaw members from the open position to the closed position. 17. The electrosurgical instrument according to claim 15, further comprising a lockout link configured to inhibit movement of the trigger in the second direction when the jaw members are disposed in the open position. 18. The electrosurgical instrument according to claim 17, wherein actuation of the movable handle moves the lockout link to enable movement of the trigger in the second direction. 19. The electrosurgical instrument according to claim 10, further comprising a knife channel defined within at least one of the jaw members, wherein the knife is configured to reciprocate through the at least one knife channel.
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