[특허]Forceps- or tweezers-shaped surgical instrument

Forceps- or tweezers-shaped surgical instrument 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/28
출원번호	US-0341747 (1982-01-22)
우선권정보	DE-3103352 (1981-01-31)
발명자 / 주소	Schwarz Theodor (Tuttlingen DEX) Freyer Karl (Talheim DEX) Theilmann Manfred (Tuttlingen DEX)
출원인 / 주소	Vormals Jetter & Scheerer Aesculap-Werke Aktiengesellschaft (DEX 03)
인용정보	피인용 횟수 : 44 인용 특허 : 0

초록 ▼

Forceps have two branches movable opposite one another against a spring force and with a lock that fixes the distance between the branches. The lock engages as the two branches approach one another and is released by closing the branches further. This locking mechanism includes a locking arm mounted between the branches with a free end that rides between a sliding surface located on the inside wall of one of the branches and a guide member. The free end carries a locking element that engages a locking step formed on the sliding surface. The guide urges the locking element against the locking step and then, with a further closing movement of the branches, directs the locking arm free end to its initial, fully opened position. The guide has an enlarged opening that allows the free end to fall back onto the sliding surface.

대표청구항 ▼

Forceps- or tweezers-shaped surgical instrument with two branches movable opposite one another against the action of an elastic restoring force and with a lock for fixing the mutual distance between the branches which becomes active during the approach of the two branches and can be released by still further approach, characterized by the fact that a locking arm (6) is fastened to the inside of one branch with its free end (28) resting elastically against the inside of the other branch and sliding along the branch (2) in the closing direction during the approach of the two branches (1, 2) and along its inner wall during the separation of the two branches in the direction of opening, that the locking arm (6) carries a locking element (29) projecting laterally at its free end (28), that a sliding surface (7) for the locking element (29) is located on the inside wall (10) of the opposite branch (2) in the sliding region of the end of the locking arm (28), the sliding surface has a locking step (11) running across the direction of motion of the locking element, and dropping off in the direction of closing, that a guide (19, 22, 23) arranged essentially parallel to the sliding surface (7) is coordinated with the sliding surface and presses the locking element (29) elastically against the sliding surface (7) at least in the region of the locking step (11), that the guide (22, 23) terminates beyond the locking step (11) in the closing direction, so that the locking element (29) reaches in front of the guide (22, 23) upon the further approach of the branches (1, 2), that in the rest position the end (20) of the guide (22, 23) in front of the locking step (11) has a separation from the sliding surface (7) which is smaller than the height of the locking element (29), so that the locking element (29) slides on the guide (22, 23) when moving in the direction of opening by enlarging the separation of the branches, and that the guide (22, 23) terminates beyond the locking step (11) in the opening direction and at that point has a distance from the sliding surface (7) in the rest position that is greater than the height of the locking element (29), so that the locking element (29), when moving in the opening direction after sliding on the guide (22, 23) beyond the locking step (11), springs onto the sliding surface (7) and enters the gap between the sliding surface (7) and the guide (22, 23) in the subsequent motion in the closing direction.

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Green David T. (Westport CT) Bolanos Henry (East Norwalk CT) Alesi Daniel E. (Sherman CT) Toso Kenneth E. (Portchester NY), Surgical clip applier.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Forceps- or tweezers-shaped surgical instrument 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (44)

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연합인증

Forceps- or tweezers-shaped surgical instrument 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

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이 특허를 인용한 특허 (44)

관련 콘텐츠

특허 원문 보기

IPC 상위 출원인

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