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EP0240722A1 Expired / Lapsed EP ⏱️ 0.0 years remaining

Surgical stapler

Assignee: TFI ACQUISITION CORP
•
Filing: 1987-03-05
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Granted: —
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Expires: 2007-03-05
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Abstract

Abstract A surgical stapler, preferably in a single use disposable form, comprises a combination of a staple feeding mechanism and a staple forming mechanism secured in a frame (21) and an actuating trigger (22) functionally con­nected to both the staple feeding mechanism and the staple forming mechanism, wherein the staple feeding mechanism includes a rail (39) to guide contained staples (10) serially to a staple forming position and a shuttle (38) in association with the rail as a movable staple retaining cover, the shuttle being functionally connected to the trigger for movement in the same direction and the same time as the staples. This structure provides a reliable surgical stapler in which staples are not likely to jam the staple feeding mechanism.

Inventors

  • 👤 Curtis Wayne Thornton

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-10-23 14:35
CPC Classifications
A; A61; A61B; A61B17/00; A61B17/068; A61B17/0682; A61B17/0684

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 135 words
In a surgical stapler comprising means to deliver a surgical staple to a site of implantation and means to actuate deformation means to deform the staple into a tissue retaining configuration at the site of implantation wherein the staple delivery means includes a rail to guide the travel of the staples, a biasing means to move the staples along the rail, and a retaining means to retain the staples on the rail, the improvement which comprises a shuttle as the retaining means, said shuttle being arranged as a cover over said staples on said rail and linked to the actuating means in a manner that causes the shuttle to move with the staples in their incremental travel toward the site of implantation and return to starting position between each staple implantation operation of the stapler.
Claim 2
Dependent Claim 135 words
In a surgical stapler comprising means to deliver a surgical staple to a site of implantation and means to actuate deformation means to deform the staple into a tissue retaining configuration at the site of implantation wherein the staple delivery means includes a rail to guide the travel of the staples, a biasing means to move the staples along the rail, and a retaining means to retain the staples on the rail, the improvement which comprises a shuttle as the retaining means, said shuttle being arranged as a cover over said staples on said rail and linked to the actuating means in a manner that causes the shuttle to move with the staples in their incremental travel toward the site of implantation and return to starting position between each staple implantation operation of the stapler.
Claim 3
Dependent Claim 96 words
A surgical stapler according to claim 1 comprising in combination a staple feeding mechanism and a staple forming mechanism both secured in a frame and an actuating trigger functionally connected to both said staple feeding mechanism and said staple forming mechanism, wherein said staple feeding mechanism includes a rail to guide contained staples serially to said staple forming mechanism and a shuttle in association with said rail as a movable staple retaining cover, said shuttle being functionally connected to said trigger for movement in a direction and at a time coincident with movement of said staples.
Claim 4
Dependent Claim 38 words
The surgical stapler of claim 2 in which said staple forming mechanism includes a movable anvil functionally connected to said trigger in a manner to tilt out of staple path as trigger is opened following a staple forming.

References Cited (Backward Citations)

EP0069557A2 Cited
US4558810A Cited

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