Surgical stapling instruments including a cartridge having multiple staples sizes
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A61B-017/072
A61B-017/115
A61B-017/00
출원번호
US-0295372
(2016-10-17)
등록번호
US-9675350
(2017-06-13)
발명자
/ 주소
Holsten, Henry E.
Viola, Frank J.
Emmons, Clifford L.
Beardsley, John W.
Heinrich, Russell
Cullinan, Nicola
출원인 / 주소
Covidien LP
인용정보
피인용 횟수 :
1인용 특허 :
79
초록▼
A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of th
A surgical stapling apparatus includes a staple cartridge and an anvil member. The staple cartridge includes a plurality of surgical fasteners disposed in rows of retention slots. The staple cartridge may have an annular or linear configuration of retention slots. The tissue contacting surface of the staple cartridge may be tapered or stepped. The anvil member has a tissue contacting surface that includes a number of pockets arranged for substantially aligning with the retention slots. In addition, the tissue contacting surface of the anvil member may complement the tissue contacting surface of the staple cartridge.
대표청구항▼
1. A surgical stapling instrument comprising: an anvil comprising a first plurality of staple pockets and a second plurality of staple pockets;a staple cartridge assembly, wherein at least one of the anvil and the staple cartridge assembly is movable relative to the other, the staple cartridge assem
1. A surgical stapling instrument comprising: an anvil comprising a first plurality of staple pockets and a second plurality of staple pockets;a staple cartridge assembly, wherein at least one of the anvil and the staple cartridge assembly is movable relative to the other, the staple cartridge assembly comprising: a first plurality of unformed staples positioned on a first plurality of staple pushers, each unformed staple of the first plurality of unformed staples having a first tip disposed a first unformed distance from the first plurality of staple pockets;a second plurality of unformed staples positioned on a second plurality of staple pushers, each unformed staple of the second plurality of unformed staples having a second tip disposed a second unformed distance from the second plurality of staple pockets, wherein the second unformed distance is larger than the first unformed distance and the second plurality of staple pushers is positioned transversely outward from the first plurality of staple pushers;a first tissue contact surface configured to engage tissue, the first contact tissue surface disposed a first contact surface distance from the first plurality of staple pockets; anda second tissue contact surface configured to engage tissue, the second tissue contact surface disposed a second contact surface distance from the second plurality of staple pockets, the second contact surface distance being greater than the first contact surface distance. 2. The surgical stapling instrument of claim 1, the cartridge assembly further comprising: a third plurality of unformed staples positioned on a third plurality of staple pushers, each unformed staple of the third plurality of unformed staples having a third tip disposed a third unformed distance from the third plurality of staple pockets, wherein the third unformed distance is larger than the second unformed distance and the third plurality of staple pushers is positioned transversely outward from the second plurality of staple pushers;a third tissue contact surface configured to engage tissue, the third tissue contact surface disposed a third contact surface distance from the third plurality of staple pockets, the third contact surface distance being greater than the second contact surface distance. 3. The surgical stapling instrument of claim 1, wherein said instrument is one of a laparoscopic stapler, a linear open stapler or a circular open stapler. 4. The surgical stapling instrument of claim 1, wherein said instrument is one of a surgical stapler or a reload for a surgical stapler. 5. A surgical stapling instrument comprising: an anvil;a staple cartridge assembly, wherein at least one of the anvil and the staple cartridge assembly is movable relative to the other, the staple cartridge assembly comprising: a knife channel;a first tissue contacting surface including a first plurality of staple retaining slots;a second tissue contacting surface, disposed further from the knife channel than the first tissue contacting surface, including a second plurality of staple retaining slots;a first plurality of unformed staples, having a first leg length and positioned a first distance from the anvil, configured to be ejected through the first plurality of staple retaining slots and into engagement with the anvil to form a first plurality of completed fasteners through a first thickness of tissue;a second plurality of unformed staples disposed further from the knife channel than the first plurality of unformed staples, having a second, longer leg length and positioned a second, greater distance from the anvil, configured to be ejected through the second plurality of staple retaining slots and into engagement with the anvil and form a second plurality of completed fasteners through a second thickness of tissue greater than the first thickness of tissue. 6. The surgical stapling instrument according to claim 5, wherein the cartridge assembly further comprises: a third tissue contacting surface, disposed further from the knife channel than the second tissue contacting surface, including a third plurality of staple retaining slots; anda third plurality of unformed staples disposed further from the knife channel than the second plurality of unformed staples, having a third, longer leg length and positioned a third, greater distance from the anvil, configured to be ejected through the third plurality of staple retaining slots and into engagement with the anvil and form a third plurality of completed fasteners through a third thickness of tissue greater than the first thickness of tissue. 7. The surgical stapling instrument according to claim 5, further comprising a knife slot, wherein the first plurality of formed staples is disposed closer to the knife slot than the second plurality of formed staples and is configured to contribute to hemostasis. 8. A surgical stapling instrument comprising: an anvil;a staple cartridge assembly, wherein at least one of the anvil and the staple cartridge assembly is movable between an open position and a staple forming position, the staple cartridge assembly comprising: a first plurality of unformed staples positioned on a first plurality of staple pushers, each unformed staple of the first plurality of unformed staples having a first leg length and having a first backspan disposed a first distance from the anvil when in the staple forming position;a second plurality of unformed staples positioned on a second plurality of staple pushers, each unformed staple of the second plurality of unformed staples having a second leg length longer than the first leg length and having a second backspan disposed a second distance from the anvil when in the staple forming position, wherein the second distance is larger than the first distance and the second plurality of staple pushers is positioned transversely outward from the first plurality of staple pushers;a first tissue contact surface configured to engage tissue when in the staple forming position, disposed a first distance from the anvil; anda second tissue contact surface configured to engage tissue when in the staple forming position, disposed a second distance from the anvil, the second distance being greater than the first. 9. The surgical stapling instrument of claim 8, wherein the cartridge assembly further comprises: a third plurality of unformed staples positioned on a third plurality of staple pushers, each unformed staple of the third plurality of unformed staples having a third leg length longer than the second leg length and having a third backspan disposed a third distance from the anvil when in the staple forming position, wherein the third distance is larger than the second distance and the third plurality of staple pushers is positioned transversely outward from the second plurality of staple pushers; anda third tissue contact surface configured to engage tissue when in the staple forming position, disposed a third distance from the anvil, the third distance being greater than the second.
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Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staple sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
Holsten, Henry E.; Viola, Frank J.; Emmons, Clifford L.; Beardsley, John W.; Heinrich, Russell; Cullinan, Nicola, Surgical stapling instruments including a cartridge having multiple staples sizes.
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