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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0617170 (1996-03-18) |
| 우선권정보 | DE-0009115 (1995-03-16) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 774 인용 특허 : 0 |
A surgical instrument for one-handed preparation of an anastomosis in minimally invasive surgery has, from the distal end to the proximal end, an interchangeable insertion head (1), a staple holder (30) with U-shaped staples and with a circular groove with thread placed in it, an ejector unit, an ge
A surgical instrument for one-handed preparation of an anastomosis in minimally invasive surgery has, from the distal end to the proximal end, an interchangeable insertion head (1), a staple holder (30) with U-shaped staples and with a circular groove with thread placed in it, an ejector unit, an gently bendable, adjustable and fixable joint (6), an annular knife retained on the ejector unit, a hollow-cylindrical holder part that is axially displaceable in the annular knife and has a number of elastically resilient, radially pivotable gripper and holder arms (20), a circular-cylindrical shaft (7) mounted on the proximal end of the joint (6), an adjusting and fixing device (8) with a hand wheel (80) mounted on the proximal end of the hollow shaft, and a handle (9) with a toggle lever mechanism (90, 93) pivotably connected to it. (FIG. 1).
A surgical instrument for preparing an anastomosis by minimally invasive surgery, in which an instrument serving as an applicator and being insertable from the distal end to the proximal end into a retrieval trocar, has the following: an interchangeable insertion head (1) with radially oriented stap
A surgical instrument for preparing an anastomosis by minimally invasive surgery, in which an instrument serving as an applicator and being insertable from the distal end to the proximal end into a retrieval trocar, has the following: an interchangeable insertion head (1) with radially oriented staple-bending indentations (11); a staple holder (30) with receptacles for radially oriented U-shaped staples (32) and with a circular groove (33), provided in the free interior thereof, into which groove a thread (34) is placed; an ejector unit (35), on which the staple holder (30) is retained axially displaceably; a joint (6) that can be gently bent at an angle and adjusted and fixed, on the stiff end portion (60) of which the ejector unit (35) is secured; an annular knife (4) with a blade (41) in the form of a circular line, the knife being held between the end portion (60) of the joint and the ejector unit (35); a hollow-cylindrical holder part (2) that is axially displaceable in the annular knife (4) and the end portion (60) of the joint and that has a number of elastically resilient, radially pivotable gripper and holding arms (20), a mandrel (5), on which for its axial displacement an actuating element (91, 94) is secured and on which the insertion head (1) and gripper arm holder part (2) are disconnectably retained; a circular-cylindrical hollow shaft (7) mounted on the proximal end of the joint (6); a handle (9) with a toggle lever mechanical (90, 93) pivotably connected to it, so that with one hand when it is actuated by means of the actuating element (91, 94) the mandrel (5) and thus the gripper arm holder part (2) and the insertion head (1) can be retracted in the direction of the hollow shaft (7), as a result of which the staples (32) are ejected and bent closed and the thread (34) is fixed to the bowel, and excess protruding bowel is cutoff circularly all the way around.
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