[특허]Surgical instrument with pressure distribution device

Surgical instrument with pressure distribution device 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	A61B-017/068 A61B-017/072 A61B-017/00
출원번호	US-0713260 (2012-12-13)
등록번호	US-9522002 (2016-12-20)
발명자 / 주소	Chowaniec, Matthew J. Chen, Xingrui Collings, Peter T. Dussan, Luis Richard, Paul D.
출원인 / 주소	Covidien LP
인용정보	피인용 횟수 : 0 인용 특허 : 146

초록 ▼

The present disclosure is directed to a surgical apparatus, comprising an anvil jaw configured to form at least one surgical staple, a cartridge jaw configured to deploy one or more surgical staples against the anvil jaw, and a pressure distribution device attached to at least one of the anvil jaw and the cartridge jaw, wherein the pressure distribution device is configured to distribute a clamping pressure to a target tissue during a clamping and a stapling of the target tissue.

대표청구항 ▼

1. A surgical apparatus, comprising: an anvil jaw configured to form at least one surgical staple;a cartridge jaw configured to deploy one or more surgical staples against the anvil jaw; anda pressure distribution device including at least one flap attached to the anvil jaw or the cartridge jaw by a mechanical hinge, the at least one flap being non-inflatable and movable between a retracted state in which the at least one flap is furled against the anvil jaw or the cartridge jaw and an extended state in which the at least one flap extends outwardly from the anvil jaw or the cartridge jaw to distribute a clamping pressure to a target tissue during a clamping and a stapling of the target tissue. 2. The apparatus of claim 1, wherein the pressure distribution device is made of a shape memory material. 3. The apparatus of claim 1, wherein the at least one flap includes at least one anvil flap attached to the anvil jaw and at least one cartridge flap attached to the cartridge jaw. 4. The apparatus of claim 1, wherein the at least one flap includes an anvil flap attached to the anvil jaw and a cartridge flap attached to the cartridge jaw, wherein each of the anvil and cartridge flaps of the pressure distribution device is substantially U-shaped and extends beyond a distal end of the respective anvil jaw and cartridge jaw. 5. The apparatus of claim 1, wherein the at least one flap of the pressure distribution device includes at least two anvil flaps or two cartridge flaps extending from opposed lateral sides of the anvil jaw or the cartridge jaw. 6. The apparatus of claim 1, wherein the at least one flap of the pressure distribution device overlies an outer surface of the anvil jaw or the cartridge jaw when in the retracted state. 7. The apparatus of claim 1, wherein the at least one flap of the pressure distribution device overlies a tissue contacting surface of the anvil jaw or the cartridge jaw when in the retracted state. 8. A surgical apparatus, comprising: an anvil jaw configured to form at least one surgical staple;a cartridge jaw configured to deploy one or more surgical staples against the anvil jaw;a pressure distribution device including at least one flap attached to the anvil jaw or the cartridge jaw, the at least one flap being non-inflatable and movable between a retracted state in which the at least one flap is furled against the anvil jaw or the cartridge jaw and an extended state in which the at least one flap extends outwardly from the anvil jaw or the cartridge jaw to distribute a clamping pressure to a target tissue during a clamping and a stapling of the target tissue; anda deployment member that holds the at least one flap in the retracted state, and is configured to allow the at least one flap to move to the extended state, and wherein the deployment member is a tubular member slidably disposed on the apparatus, and wherein the deployment member is configured to slide between a distal position surrounding the at least one flap and holding the at least one flap in the retracted state, and a proximal position to release the at least one flap and allow the at least one flap to move to an extended state. 9. The apparatus of claim 8, wherein the deployment member includes at least one or more ties that bind the at least one flap in the retracted state.

이 특허에 인용된 특허 (146)

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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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Surgical instrument with pressure distribution device 원문보기

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Surgical instrument with pressure distribution device 원문보기

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연구과제 타임라인

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