Surgical stapler pressure regulator
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United States of America Patent
Stats
-
Aug 28, 1990
Grant Date -
N/A
app pub date -
Jan 9, 1989
filing date -
Jan 15, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A surgical stapling instrument is provided which employs a highly pressurized gas as its source of energy. The highly pressurized gas is conducted to means for indicating the presence of the pressurized gas and to a pressure regulator. The pressure regulator controllably develops gas pressurized to a desired operating pressure. The pressure regulator supplies gas at a fixed or variable pressure to a tissue clamping mechanism and to the trigger mechanism of the instrument. In response to actuation of the trigger mechanism gas at the desired stapling pressure is supplied to a stapling mechanism. In a preferred embodiment, pressurized gas is maintained at the stapling mechanism until the trigger mechanism is reset for a subsequent stapling procedure.
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