Elongated-member-driving apparatus – Surgical stapler – With magazine
Patent
1989-01-09
1990-08-28
Bell, Paul A.
Elongated-member-driving apparatus
Surgical stapler
With magazine
227 8, 227 19, 227130, A61B 1700
Patent
active
049518615
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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Bedi James
Deniega Jess
Fox William
Pedlick Jack
Schulze Dale
Bell Paul A.
Coletti Paul A.
Ethicon Inc.
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