Surgery – Instruments – Sutureless closure
Patent
1995-07-21
1996-08-13
Rimell, Sam
Surgery
Instruments
Sutureless closure
604256, 600 32, A01B 1700
Patent
active
055451799
ABSTRACT:
An access assembly to provide access for surgical instruments during endoscopic surgical procedures and simultaneously seal the access opening when the instrument is withdrawn is disclosed. The assembly has a base, and an elastomeric sealing element and a tubular conduit. The base has a flange and a neck. The elastomeric sealing element has an inner elongated central channel which provides a passageway for surgical instruments into a body cavity. The sealing element also has an outer inflatable sleeve. When the space between the inner channel and outer sleeve is inflated, a distal balloon portion of the sleeve is inflated and the inner channel is compressed to constrict the inner channel passageway and therefore provide a seal. The primary advantages of this access assembly are that it provides a precise passage into the channel so that the elastomeric sealing element is not inadvertently punctured, and it can be manufactured in a cost effective manner because the base of the access assembly provides a ready platform for manufacture and attachment of the sealing element.
REFERENCES:
patent: 4389080 (1995-02-01), Yoon
patent: 4850953 (1989-07-01), Haber et al.
patent: 5045052 (1991-09-01), Sans
patent: 5366478 (1994-11-01), Brinkerhoff et al.
patent: 5368545 (1994-11-01), Schaller et al.
patent: 5389080 (1995-02-01), Yoon
patent: 5460616 (1995-10-01), Weinstein et al.
Ethicon Endo-Surgery Inc.
Goodwin Matthew S.
Rimell Sam
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