Claims
- 1. A surgical stapling instrument for applying one or more surgical staples to tissue, comprising:
- a stapling head assembly including a staple holder for receiving one or more surgical staples, an anvil for clamping the tissue against said staple holder, and driver means for driving the staples from said staple holder;
- an actuator handle assembly for actuating said staple driver;
- a shaft assembly with a generally hollow interior and including a support shaft for mounting said stapling head assembly on said actuator handle assembly;
- a tension member contained within said support shaft for transmitting tension from said actuator handle assembly to said anvil to resist the forces exerted on said anvil when the staples are formed;
- a compression member contained within said support shaft for transmitting a compressive force from said actuator handle assembly to advance said staple driver to drive the staples from said staple holder into the tissue and to form the staples against said anvil; and
- containing an elastomeric sealing apparatus placed around said tension member and held in place by said compression member, said elastomeric sealing apparatus containing an attachment element, and said compression member containing an attachment element, such that the respective attachment elements on said elastomeric sealing apparatus and said compression members are matedly joined so as to hold said elastomeric sealing apparatus in place between said tension and compression members, such that compressed air is prevented from flowing between said tension and compression members.
- 2. The stapling instrument of claim 1 wherein said shaft assembly has an elastomeric seal contained within said hollow interior, said seal placed around said tension and compression members.
- 3. The stapling instrument of claim 1 further containing a shrink wrap plastic seal placed around said shaft assembly.
- 4. The stapling instrument of claim 1 further containing a casing for supporting said stapling head assembly, said casing including a hollow connector;
- a shaft assembly including a hollow support shaft for mounting said casing thereon;
- a ferrule overlapping said support shaft and said connector;
- said ferrule being compressed radially inward over said support shaft and said connector; and
- an 0-ring placed between said ferrule and said shaft assembly.
Parent Case Info
This is a continuation of application Ser. No. 07/976,787, filed Nov. 16, 1992, pending, which is hereby incorporated by reference, which is a continuation-in-part of Ser. No. 938,982 filed Sep. 1, 1992, now U.S. Pat. No. 5,205,459, which is a division of Ser. No. 749,393 filed Aug. 23, 1991, abandoned, both entitled "SURGICAL ANASTOMOSIS STAPLING INSTRUMENT."
US Referenced Citations (20)
Foreign Referenced Citations (3)
Number |
Date |
Country |
293123 |
Nov 1988 |
EPX |
7711347 |
Apr 1979 |
NLX |
9006085 |
Jun 1990 |
WOX |
Non-Patent Literature Citations (4)
Entry |
Maxwell Bulletin 1201R-Copyright 1976. |
Maxwell Bulletin 1202-Copyright 1978. |
Maxwell Bulletin 1518-Feb. 1979. |
Tooling & Production Magazine-Jan. 1980-reprinted article. |
Divisions (1)
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Number |
Date |
Country |
Parent |
749393 |
Aug 1991 |
|
Continuations (1)
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Number |
Date |
Country |
Parent |
976787 |
Nov 1992 |
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Continuation in Parts (1)
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Number |
Date |
Country |
Parent |
938982 |
Sep 1992 |
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