Title:
プラスチック面を有する外科用器具
Document Type and Number:
Japanese Patent JP5527930
Kind Code:
B2
Abstract:
A surgical instrument, comprising: a handle portion; a body portion extending distally from the handle portion and defining a first longitudinal axis; a movable handle disposed on the handle portion and in mechanical cooperation with a drive member; a tool assembly including an anvil, a cartridge assembly and a contact surface, the tool assembly being supported adjacent a distal end of the body portion; a drive beam including a plurality of layers, at least one layer having a proximal engagement portion disposed adjacent a proximal end thereof and being configured to engage a portion of the drive member; a closure apparatus disposed adjacent a distal end of the drive beam being configured to engage the contact surface of the tool assembly, whereby at least a partial actuation of the movable handle moves the closure apparatus distally into engagement with the contact surface to approximate the anvil and the cartridge assembly, the closure apparatus including a cutting surface thereon, a cross-section of the closure apparatus being generally I-shaped; and the drive beam including between four layers and six layers, at least one layer of the drive beam being made of stainless steel, wherein each of the plurality of layers of the drive beam include a plurality of cutouts disposed therethrough, the drive beam being part of a disposable loading unit, and wherein the closure apparatus and/or the contact surface includes a plastic surface or a plastic coating.
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Inventors:
Paul A. Silica
Application Number:
JP2007260422A
Publication Date:
June 25, 2014
Filing Date:
October 03, 2007
Export Citation:
Assignee:
Covidien Limited Partnership
International Classes:
A61B17/072; A61B17/28; A61B17/32
Domestic Patent References:
| JP2005505335A | ||||
| JP7250842A | ||||
| JP2005270578A | ||||
| JP2005176905A |
Attorney, Agent or Firm:
Takeshi Oshio
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