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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0621672 (2009-11-19) |
등록번호 | US-8899466 (2014-12-02) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 346 인용 특허 : 520 |
Introducers for introducing a surgical circular stapler into a patient. Various embodiments comprise cover members that are applied over a stapling head portion of the circular stapler. In some embodiments, the cover members are fabricated from a flexible stretchable material and have a bumper porti
Introducers for introducing a surgical circular stapler into a patient. Various embodiments comprise cover members that are applied over a stapling head portion of the circular stapler. In some embodiments, the cover members are fabricated from a flexible stretchable material and have a bumper portion that protrudes distally beyond the distal face of the stapling head. The staples may be fired through the cover member and the balance of the cover member is withdrawn from the patient with the stapling head. Other cover embodiments are selectively movable from a position wherein the distal face of the stapling head is covered and other positions wherein the distal face of the stapling head is exposed.
1. An introducer for introducing a surgical circular stapler having a stapling head that supports an annular staple cartridge therein into a patient, said introducer comprising a hollow sheath having an open proximal end sized to be inserted over at least a distal portion of the stapling head, said
1. An introducer for introducing a surgical circular stapler having a stapling head that supports an annular staple cartridge therein into a patient, said introducer comprising a hollow sheath having an open proximal end sized to be inserted over at least a distal portion of the stapling head, said hollow sheath further comprising a distal end that includes a circumferentially-extending raised bumper area that extends above a plane that is coplanar with a distal face of the staple cartridge and wherein said hollow sheath further comprises a continuous central portion that extends inwardly from said circumferentially-extending raised bumper area to completely cover an open central area that is formed in said cartridge, and wherein the introducer further comprises a plurality of discrete, completely enclosed and frangible non-annular hollow areas within said circumferentially-extending raised bumper area. 2. The introducer of claim 1 wherein each said hollow area is filled with air or liquid. 3. The introducer of claim 1 wherein said sheath is fabricated from elastomeric material. 4. The introducer of claim 1 wherein at least one said hollow area is filled with liquid.
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