Surgical fastening apparatus with locking mechanism
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United States of America Patent
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-
Nov 28, 1995
Issued Date -
N/A
app pub date -
Jul 5, 1994
filing date -
Dec 6, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
An improved apparatus for applying surgical fasteners to body tissue comprising a cartridge containing a plurality of fasteners, an anvil positioned opposite the cartridge, and a locking mechanism to prevent re-approximation of the cartridge towards the anvil when the cartridge is withdrawn from the anvil after the fasteners are fired. The locking mechanism comprises a leaf spring clip with a distal hook for engaging a slot on the anvil support arm. The clip is moved distally when the staples are fired, and the hook engages the slot when the fastener holding cartridge is moved to the open position to release the body tissue.
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