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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0950791 (2010-11-19) |
등록번호 | US-8361072 (2013-01-29) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 824 |
Either an endoscopic or open bipolar forceps includes a flexible, generally tubular insulating boot for insulating patient tissue, while not impeding motion of the jaw members. The jaw members are movable from an open to a closed position and the jaw members are connected to a source of electrosurgi
Either an endoscopic or open bipolar forceps includes a flexible, generally tubular insulating boot for insulating patient tissue, while not impeding motion of the jaw members. The jaw members are movable from an open to a closed position and the jaw members are connected to a source of electrosurgical energy such that the jaw members are capable of conducting energy through tissue held therebetween to effect a tissue seal. A knife assembly may be included that allows a user to selectively divide tissue upon actuation thereof. The insulating boot may be made from a viscoelastic, elastomeric or flexible material suitable for use with a sterilization process including ethylene oxide.
1. An electrosurgical forceps for sealing tissue, comprising: a pair of first and second shaft members each having a jaw member disposed at a distal end thereof, the jaw members movable about a pivot from a first position in spaced relation relative to one another to at least one subsequent position
1. An electrosurgical forceps for sealing tissue, comprising: a pair of first and second shaft members each having a jaw member disposed at a distal end thereof, the jaw members movable about a pivot from a first position in spaced relation relative to one another to at least one subsequent position wherein the jaw members cooperate to grasp tissue therebetween;at least one of the jaw members including an electrically conductive sealing plate adapted to communicate electrosurgical energy to tissue held therebetween; anda flexible insulating boot disposed on at least a portion of an exterior surface of at least one jaw member proximal to the electrically conductive sealing plate of the at least one jaw member, the flexible insulating boot having a distance dimension between the proximal portion and the distal portion of the flexible insulating boot,the at least one of the jaw members defining a length dimension extending from the distal end of the at least one of the jaw members to a proximal position therealong, the distal portion of the flexible insulating boot extending to the proximal position of the at least one jaw member defining the length dimension,the proximal portion and the distal portion of the flexible insulating boot disposed such that the flexible insulating boot remains in a substantially stationary position relative to the length dimension of the at least one jaw member and the distance dimension of the flexible insulating boot during pivoting of the at least one jaw member about the pivot. 2. An electrosurgical forceps according to claim 1, wherein an end of the insulating boot is disposed on at least a portion of an exterior surface of the jaw members proximate the pivot such that movement of the jaw members is substantially unimpeded. 3. An electrosurgical forceps according to claim 1, wherein at least one of the jaw members includes a series of stop members disposed thereon for regulating distance between the jaw members such that a gap is created between the jaw members during the sealing process. 4. An electrosurgical forceps according to claim 1, wherein the insulating boot is made of at least one of a viscoelastic, elastomeric, and flexible material suitable for use with a sterilization process that does not substantially impair structural integrity of the boot. 5. An electrosurgical forceps according to claim 4, wherein the sterilization process includes ethylene oxide. 6. An electrosurgical forceps according to claim 1, comprising: a ratchet including first and second ratchet interfaces disposed on the first and second shaft members, respectively, the ratchet configured to maintain a pressure between jaw members within the range of about 3 kg/cm2 to about 16 kg/cm2, the ratchet including a stop disposed on one of the shaft members to prevent over pressurizing of the jaw members beyond the first and second ratchet interfaces. 7. An electrosurgical forceps according to claim 1, wherein the cutting mechanism includes a knife that is selectively deployable to cut tissue disposed between the jaw members. 8. An electrosurgical forceps according to claim 1, wherein the insulating boot is made of at least one of a viscoelastic, elastomeric, and flexible material suitable for use with a sterilization process that does not impair the structural integrity of the insulating boot. 9. An electrosurgical forceps according to claim 8, wherein the sterilization process includes ethylene oxide. 10. An electrosurgical forceps according to claim 1, wherein the insulating boot has a generally tubular configuration. 11. An electrosurgical forceps according to claim 1, wherein two jaw members are adapted to connect to the source of electrical energy such that the jaw members are capable of treating tissue in a bipolar manner upon selective activation of the forceps. 12. An electrosurgical forceps according to claim 1, wherein at least one jaw member is adapted to connect to the source of electrical energy such that the at least one jaw members is capable of treating tissue in a monopolar manner upon selective actuation of the forceps. 13. An electrosurgical forceps according to claim 1, wherein at least one of the jaw members includes a knife channel defined along a length thereof, the knife channel being dimensioned to reciprocate a cutting mechanism therealong; and an actuator operatively connected to one of the shaft members for selectively advancing the cutting mechanism from a first position wherein the cutting mechanism is disposed proximal to tissue held between the jaw members to at least one subsequent position wherein the cutting mechanism is disposed distal to tissue held between the jaw members.
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