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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0984891 (2011-01-05) |
| 등록번호 | US8016177 (2011-08-30) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 634 인용 특허 : 103 |
A surgical stapling instrument is provided having systems for securing buttress material to the anvil and staple containing cartridge associated with the surgical instrument. The system includes a retainer configured to engage the anvil or the staple containing cartridge and capture the buttress mat
A surgical stapling instrument is provided having systems for securing buttress material to the anvil and staple containing cartridge associated with the surgical instrument. The system includes a retainer configured to engage the anvil or the staple containing cartridge and capture the buttress material between the retainer and the anvil or staple containing cartridge. The disclose retainer engages the anvil or staple containing cartridge in snap fit or friction fit fashion. The buttress material includes a circumferential perforation line enabling the center of the buttress material to be stapled to tissue while the remainder of the buttress material remains with the anvil or staple containing cartridge.
What is claimed is: 1. A surgical instrument, comprising:a jaw assembly including a first jaw and a second jaw, each of the first jaw and the second jaw defining a tissue contacting surface, at least one of the first jaw and the second jaw defining staple pockets formed in the respective tissue cont
What is claimed is: 1. A surgical instrument, comprising:a jaw assembly including a first jaw and a second jaw, each of the first jaw and the second jaw defining a tissue contacting surface, at least one of the first jaw and the second jaw defining staple pockets formed in the respective tissue contacting surface for forming staples expelled from corresponding staple retaining slots defined in the tissue contacting surface of the other of the first jaw and second jaw;a buttress material having a central portion, a peripheral portion, and a perforation line separating the central portion from the peripheral portion, at least the peripheral portion being disposed against the tissue contacting surface of at least one of the first jaw and the second jaw, the central portion of the buttress material being separable from the peripheral portion of the buttress material after staples are fired by the surgical instrument; anda buttress material retainer for securing at least a portion of the buttress material against the tissue contacting surface of at least one of the first jaw and the second jaw, the buttress material retainer including a frame configured to overlie the buttress material and extend around the entire perimeter of the peripheral portion of the buttress material,wherein, upon firing of the surgical instrument, staples secure the central portion of the buttress material against tissue and the frame retains the peripheral portion of the buttress material against the tissue contacting surface of the at least one of the first jaw and the second jaw, andwherein, upon separation of the at least one of the first jaw and the second jaw from the tissue, the central portion of the buttress material is separated from the peripheral portion of the buttress material along the perforation line.
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