Surgery – Instruments – Cutting – puncturing or piercing
Patent
1992-11-23
1994-04-05
Rosenbaum, C. Fred
Surgery
Instruments
Cutting, puncturing or piercing
606167, 604 51, 604 52, 604126, 604239, 604264, 604272, A61B 1734
Patent
active
053000846
ABSTRACT:
A pneumoperitoneum needle comprises a lumen defining a passageway through which pneumoperitoneum gases may pass to the peritoneal cavity, a handle mechanism attached to a proximal end portion of the lumen and a filtration unit housed within the handle mechanism for filtering the pneumoperitoneum gases to be passed through the lumen. The filtration unit preferably includes a hydrophobic filter fabricated from a polytetrafluoroethylene material having a pore size ranging in value from about 0.2 to 0.5 microns. In an alternative embodiment, the filtration unit is incorporated within the handle mechanism of a Veress-type needle.
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1988 Product Brochure of Burron Medical, Inc. of Bethlehem, Pa.
Gring Noelle Kent
Rosenbaum C. Fred
United States Surgical Corporation
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