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EP0505036A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

Surgical staple cartridge

Assignee: Ethicon Inc
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Filing: 1992-02-19
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Granted: —
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Expires: 2012-02-19
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Abstract

Abstract A new method is shown whereby staples are closed to smaller heights so that virtually total hemostatis is possible. Also, the staple legs in alternate rows in the surgical stapler are made to interlock so that during closure, hemostatis is effected by the interlocking of the staple legs.

Inventors

  • 👤 Hector Chow
  • 👤 Earl J. Mills
  • 👤 Federico Bilotti
  • 👤 Ronald J. Brinkerhoff
  • 👤 Martin Madden
  • 👤 Richard L. Grant

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-30 13:45
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/072; A61B17/064; A61B17/0644; A61B17/10; A61B17/105; A61B2017/07214; A61B2017/07228; A61B2017/07257; A61B2017/07264

Claims Analysis

Total Claims: 15
Claim 1
Independent Claim 44 words
A surgical staple having a crown connected to two legs wherein said staple in a closed, tissue-gripping position comprises said legs folded toward said crown so that the leg ends approximate said crown, and said leg ends overlap each other along the crown length.
Claim 2
Dependent Claim 35 words
A cartridge of surgical staples containing a plurality of rows of staples, each row of staples being formed to grip tissue, at least one of said rows of staples containing staples according to Claim 1.
Claim 3
Dependent Claim 15 words
The cartridge of Claim 2 wherein there are two, four or six rows of staples.
Claim 4
Dependent Claim 18 words
The cartridge of Claim 3 wherein at least two of said rows contain staples according to Claim 1.
Claim 5
Dependent Claim 25 words
The cartridge of Claim 3 having four or six rows of staples wherein at least three of said rows contain staples according to Claim 1.
Claim 6
Dependent Claim 16 words
The cartridge of Claim 3 wherein all said staple rows contain staples according to Claim 1.
Claim 7
Dependent Claim 56 words
A cartridge of surgical staple rows, said staple rows being tilted within said cartridge and facing an adjacent row, such that when said staples exit said cartridge to grip tissue, each of the legs in each of said staples forming said tilted row interlock with one of the legs of a staple in said adjacent row.
Claim 8
Dependent Claim 12 words
The cartridge of Claim 7 wherein there are four rows of staples.
Claim 9
Dependent Claim 65 words
The cartridge of Claim 8 wherein at least two of said rows contain staples such that said staples are tilted within said cartridge and facing an adjacent row, such that when said staples exit said cartridge to grip tissue, each of the legs in each of said staples forming said tilted row interlock with one of the legs of a staple in said adjacent row.
Claim 10
Dependent Claim 16 words
The cartridge of Claim 4 or Claim 9 wherein said at least two rows are adjacent.
Claim 11
Dependent Claim 31 words
The cartridge of Claim 10 wherein said at least two rows are the inner two rows of staples, with the outer rows of staples containing staples closed in a different shape.
Claim 12
Dependent Claim 33 words
The cartridge of Claim 10 wherein said at least two rows form one longitudinal half of the cartridge, and the other longitudinal half of said cartridge contain staples closed in a different shape.
Claim 13
Dependent Claim 17 words
The cartridge of Claim 3 wherein a knife blade may fit between the inner rows of staples.
Claim 14
Dependent Claim 65 words
The cartridge of Claim 7 or Claim 8 wherein all of said rows contain staples such that said staples are titled within said cartridge and facing an adjacent row, such that when said staples exit said cartridge to grip tissue, each of the legs in each of said staples,forming said tilted row interlock with one of the legs of a staple in said adjacent row.
Claim 15
Independent Claim 33 words
A method of tissue closure comprising placing a row of surgical staples having legs in tissue and crimping said staples such that said staple legs in adjacent staples are interfolded upon said crimping.

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