Elongated-member-driving apparatus – Surgical stapler – With magazine
Patent
1998-11-23
2000-08-15
Smith, Scott A.
Elongated-member-driving apparatus
Surgical stapler
With magazine
227 19, 2271751, A61B 17068
Patent
active
061022713
ABSTRACT:
A circular sapling instrument for the removal of hemorrhoids has a stapling end effector having a casing, a hollow staple driver within the casing, an annular blade having an open distal end is located within the staple driver, and a elongated interior drive shaft is reciprocable within the staple driver and the annular blade. A first inner chamber is defined between the staple driver and the interior drive shaft, and a second inner chamber is defined between the annular blade and the drive shaft. The first chamber communicates with the second chamber. The casing has an exterior surface and a substantially unobstructed passageway extends within the casing surface, into the first inner chamber, into the second inner chamber, and through the open distal end of the second inner chamber for insertion and withdrawal of a surgical instrument therethrough.
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Particular Experience with Mechanical Sutures: Circular Stapler for Hemorrhoidectomy, by G. Allegra Giorn Chir. vol. 11 -- No. 3 -- pp. 95 97, Mar. 1990).
Bilotti Federico
Bittner John R.
Hacker Randall L.
Longo Antonio
Ethicon Endo-Surgery Inc.
Goodwin Matthew S.
Smith Scott A.
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