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(12) United States Patent ao) Patent No.: Us 7,210,609 B2
Leiboff et al. (45) Date of Patent: May 1,2007
(54) STAPLING APPARATUS HAVING A CURVED
ANVIL AND DRIVER
(75) Inventors: Arnold R. Leiboff, Stony Brook, NY
(US); Joseph Zipper, Miller Place, NY
(US); Robert Farrish, Coram, NY
(US); Jay Leiboff, Fair Lawn, NJ (US)
(73) Assignee: Tools for Surgery, LLC, Stony Brook,
( * ) Notice: Subject to any disclaimer, the term of this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
(21) Appl. No.: 11/193,600
(22) Filed: Jul. 29, 2005
(65) Prior Publication Data
US 2006/0049231 Al Mar. 9, 2006
Related U.S. Application Data
(60) Provisional application No. 60/592,548, filed on Jul. 30, 2004.
(51) Int. CI.
A61B 17/04 (2006.01)
A61B 17/068 (2006.01)
A61B 17/00 (2006.01)
(52) U.S. CI 227/180.1; 227/176; 227/181.1;
(58) Field of Classification Search 227/180.1,
227/19, 179.1, 176.1, 178.1 See application file for complete search history.
(56) References Cited
U.S. PATENT DOCUMENTS
Stapler, in particular for hemorrhoidal use, includes a body, an elongate, fixed jaw part connected to the body and including a curved anvil defining staple-forming pockets and a curved portion defining an opening bound on lateral and longitudinal sides, an actuating jaw part including a curved staple driver and optionally a cutting knife, a trigger coupled to the body for actuating the actuating jaw part and an adjustment mechanism for moving the actuating jaw part to vary a longitudinal dimension of the opening defined between a staple cartridge and the anvil. When the actuating jaw part is actuated by the trigger, the staple driver forces staple blanks in the staple cartridge into staple-forming pockets of the anvil to form staples in tissue retained in the opening, while the cutting knife, when present, amputates the tissue.
3/1963 Strekopitov et al.
20 Claims, 5 Drawing Sheets
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* cited by examiner