A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
128/121
A61B 17/10 (2006.01) A61B 17/068 (2006.01)
Patent
CA 1274439
ZS8 ABSTRACT METHOD AND APPARATUS FOR STORING, DISPENSING AND APPLYING SURGICAL STAPLES A method and apparatus for storing and automa- tically dispensing and applying surgical staples in serial fashion includes a pistol-like tool having means for storing a large plurality of staples in parallel, stacked column fashion aligned along the longitudinal (barrel) axis of the tool. A form tool and an anvil tool extend longitudinally parallel to the axis, and are advanced in synchronism by actuation of a trigger lever. The form tool includes a pair of arms which impinge upon and rotate the legs of the staple about the web portion thereof to dispose the staple in a points-first dispensing orientation. The form tool advances the staple to the distal dispensing end of the tool, where it drives the staple into a portion of the anvil and crimps the staple thereabout. Release of the trigger causes an elevator member to separate the next distal staple in the column from its column alignment into position to be engaged by the anvil tool and form tool at the start of the subsequent dispensing cycle. A trigger actuation mechanism prevents release of the trigger lever until the dispensed staple is completely crimped in the tissue.
507634
Peters Ronald L.
Peters Rudolph
Taylor William
Edward Weck & Company Inc.
Osler Hoskin & Harcourt Llp
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