A - Human Necessities – 61 – B
Patent
A - Human Necessities
61
B
A61B 17/072 (2006.01)
Patent
CA 2055890
An improved stapler firing assembly and a surgical stapler 10 are disclosed. The stapler 10 comprises structural members 12, 14 having handle and base parts with opposite sides 19, 21 and jaw parts 20, 22 projecting from the handle and base parts. The stapler 10 includes a mechanism 80 for releasable engagement between an elongate locking member 28 and the structural members 12, 14 comprising a lever lock 84 including a hook portion 86 adapted to pass through a slot 83 in a base part. The lever lock 84 is mounted on the locking member 28 and includes first and second release buttons 97, 99 and actuating means mounting the first and second release buttons on opposite sides of the locking member 28 for movement between first and second positions with respect to the locking member 28. The stapler firing assembly comprises a pusher 45 adapted to move longitudinally along on of the jaw parts 20, 22 to sequentially press staples 43 against an anvil 40. There is also present a firing handle body 52 having opposite end portions 53 and 55 and a mechanism mounting the handle body on the pusher 45 for movement relative to the pusher 45 between a first position and a second position so that the firing handle body can be positioned to be manually engaged on either side 19 or 21 of the structured members to move the second end of the pusher 45 along the second jaw 22 to eject and close the staples. The invention affords convenient firing and release of the stapler 10 from either side of the stapler.
Barker John M.
Foslien Floyd
Plyley Alan K.
Vidal Claude
Mcfadden Fincham
Minnesota Mining And Manufacturing Company
United States Surgical Corporation
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