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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0349028 (1999-07-07) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 759 인용 특허 : 7 |
A hand held surgical instrument for grasping and clamping tissue is disclosed. The surgical instrument has a handle body assembly and an elongated shaft. The shaft is connected to the handle body assembly at a proximal end and has an end effector at a distal end. The end effector is operably coupled
A hand held surgical instrument for grasping and clamping tissue is disclosed. The surgical instrument has a handle body assembly and an elongated shaft. The shaft is connected to the handle body assembly at a proximal end and has an end effector at a distal end. The end effector is operably coupled to an actuation member extending from the handle body. The actuation member is moveable toward and away from the handle body to open and close the end effector. A locking tab is located on the handle body assembly and is moveable between a locked position and an unlocked position. A locking rod is movably engaged with a hole in the locking tab. When the locking tab is in the unlocked position, the actuation member is free to move towards and away from the handle body assembly to open and close the end effector. When the locking tab is in the locked position, movement to open the actuation member is prevented. The handle body assembly also has release trigger extending from the handle body assembly and operably coupled to the locking tab. The release trigger is moveable from a first position spaced away from the handle body to a second position adjacent to the handle body. The release trigger is normally biased toward the first position and is reciprocable, when initially squeezed toward the handle body assembly from the first position, to the second position, and subsequently released from the second position back to the first position. Consecutive reciprocations of the release trigger alternates the locking tab between the locked position and the unlocked position.
[ What is claimed is:] [1.] A surgical instrument for grasping and clamping tissue comprising:a handle body assembly;an elongated shaft having a proximal end and a distal end and connected to said handle body assembly at the proximal end of said shaft;an end effector having at least one moveable mem
[ What is claimed is:] [1.] A surgical instrument for grasping and clamping tissue comprising:a handle body assembly;an elongated shaft having a proximal end and a distal end and connected to said handle body assembly at the proximal end of said shaft;an end effector having at least one moveable member located at the distal end of said shaft;an actuation member having a proximal end, said actuation member moveable toward and away from said handle body assembly and operatively connected to said end effector for actuating movement of said at least one moveable member;a locking tab on said handle body assembly and having a hole therethrough, said locking tab being moveable between a locked position and an unlocked position;a locking rod having a proximal end and a distal end, said locking rod being fixed to said actuation member at the proximal end of said actuation member, wherein at least the distal end of said locking rod is moveably engaged with said locking tab through said hole when said locking tab is in the unlocked position so as to allow movement of said actuation member towards and away from said handle body assembly, and said locking rod is fixed relative to said locking tab when said locking tab is in the locked position so as to prevent movement of said actuation member away from said handle body assembly; anda release trigger having an elongated trigger member and operably coupled to said locking tab, said release trigger moveable in and extending from said handle body assembly from a first position spaced away from said handle body to a second position adjacent to said handle body, said release trigger being biased toward the first position, and said release trigger being reciprocable when initially squeezed toward said handle body assembly from the first position to the second position and subsequently released from the second position back to the first position, wherein consecutive reciprocations of said release trigger alternates said locking tab between said locked position and said unlocked position and said release trigger has a rib extending longitudinally on said trigger member for preventing said release trigger from rotating in said handle body assembly about said trigger member.
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