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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0543969 (2009-08-19) |
| 등록번호 | US7887536 (2011-02-02) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 112 인용 특허 : 668 |
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
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 through tissue held therebetween to effect a seal. Both the first and second electrical potentials are transmitted to the jaw members through the first shaft.
What is claimed is: 1. An electrosurgical instrument for use in open surgery, comprising:first and second shafts each having a jaw member extending from a distal end thereof, the jaw members being movable relative to one another from a first, open position to a second, closed position for grasping t
What is claimed is: 1. An electrosurgical instrument for use in open surgery, comprising:first and second shafts each having a jaw member extending from a distal end thereof, the jaw members being movable relative to one another from a first, open position to a second, closed position for grasping tissue, at least one of the jaw members being adapted to connect to an electrosurgical energy source such that electrosurgical energy may be selectively communicated through tissue held between the jaw members to effect a tissue seal, at least one jaw member including a knife channel defined therein configured to reciprocate a knife therealong for severing tissue held between the jaw members;at least one stop member operatively coupled to at least one of the jaw members or at least one of the shafts, the at least one stop member being configured to control a gap distance between jaw members to within a range of about 0.001 inches to about 0.006 inches; anda locking mechanism operably coupled to at least one shaft for locking the jaw members in the second closed position and for regulating the closure pressure between jaw members between about 3 kg/cm2 to about 16 kg/cm2.
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