Trocar assembly

Details Trocar assembly Trocar assembly

1997-10-22

1999-11-30

Buiz, Michael

Surgery

Instruments

Cutting, puncturing or piercing

A61B 1700

Patent

active

059934719

ABSTRACT:
A trocar assembly for use in minimally invasive surgery including a housing having an opening formed therethrough and adapted to receive a selected surgical instrument therein. Positioned within the housing is a split seal having a slit extending therethrough. The split seal maintains a seal through the opening of the housing when a surgical instrument is not inserted through the bore of the sleeve. Also positioned within the housing is a seal assembly having a plurality of sealing structures effective to maintain a seal between the housing and a surgical instrument inserted through the bore of the sleeve, such that the plurality of seals accommodate and seal against surgical instruments having different diameters.

REFERENCES:
patent: 4655752 (1987-04-01), Honkanen et al.
patent: 5209736 (1993-05-01), Stephens et al.
patent: 5211633 (1993-05-01), Stouder, Jr.
patent: 5211634 (1993-05-01), Vaillancourt
patent: 5300035 (1994-04-01), Clement
patent: 5350364 (1994-09-01), Stephens et al.
patent: 5354280 (1994-10-01), Haber et al.
patent: 5385552 (1995-01-01), Haber et al.
patent: 5391153 (1995-02-01), Haber et al.
patent: 5391154 (1995-02-01), Young

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