Surgery – Means for introducing or removing material from body for... – Treating material introduced into or removed from body...
Patent
1994-03-31
1996-05-07
Weiss, John G.
Surgery
Means for introducing or removing material from body for...
Treating material introduced into or removed from body...
604256, A61M 578
Patent
active
055140980
ABSTRACT:
A cannula cap for sealing a cannula assembly during insufflatory surgery, the cap comprising an endwall made of elastomeric material and a sidewall. The cap is sized and configured to fit to the instrument entrance of a cannula in a relative gas-tight relationship. The endwall of the cap may be apertured to permit entry and exit of a trocar or other surgical instrument without significant interruption of the seal. Another embodiment provides an adaptor cap also comprising an endwall made of an elastomeric material and a sidewall, the adaptor cap arranged to be fitted to the cannula cap for temporary insertion and withdrawal of instruments of relatively small diameter without removal of the cannula cap.
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Kyburz Gene T.
Pfoslgraf Lanis P.
Owens Precision Systems, Inc.
Weiss John G.
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