Self-regulating insufflator

Details Self-regulating insufflator Self-regulating insufflator

1994-08-26

1996-05-07

Burr, Edgar S.

Surgery

Means for introducing or removing material from body for...

Gas application

604 22, 128747, A61B 1734, A61M 1300

Patent

active

055140874

ABSTRACT:
An insufflator for inflating body cavities, comprising a body to which a cannula and a needle are mounted, said needle being disposed in the cannula. The needle discharges gas from a regulator into the cavity gas from its distal end. A flow channel between the needle and cannula leads from the distal end of the cannula to the regulator. The regulator governs both the supply of gas to the cavity and the relief of excess pressure from the cavity.

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patent: 4178940 (1979-12-01), Au
patent: 4869717 (1989-09-01), Adair
patent: 4972868 (1990-11-01), Davis et al.
patent: 5139478 (1992-08-01), Konincky et al.

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