Multiport access device

Details Multiport access device Multiport access device

1998-11-12

2000-12-19

Weiss, John G.

Surgery

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

Treating material introduced into or removed from body...

604256, A61M 500

Patent

active

06162196&

ABSTRACT:
A trocar having a cannula and a valve housing with a polygonal configuration, provides for a floating septum where the float is encouraged in a first direction and restricted in a second direction. The septum includes multiple septum valves which may function with a comnron zero-closure valve, or individually in a valve assembly with an associated zero-closure valve. Various seals can be configured to prevent blow-back. Cup valves, check valves, and reciprocating valves are contemplated, along with various skirt configurations for maintaining pressurized air within the trocar.

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