Surgery – Instruments – Sutureless closure
Patent
1998-07-24
2000-03-07
Buiz, Michael
Surgery
Instruments
Sutureless closure
600207, 604174, A61B 1708
Patent
active
060334266
ABSTRACT:
The access device according to the present invention is an access device for connecting an interior of a living body to the exterior thereof and for inserting an object into the living body in a sealed state, the device comprising a communication body to be set in tight contact with an incised part of a wall of the living body, for pushing open the incised part, thereby to allow an interior of the living body to communicate with the exterior of the living body, a first valve attached and sealed to communication body, and a second valve attached and sealed to the communication body and adapted to be placed inside or outside the living body, the second valve being located closer to the living body than the first valve while placed outside the living body, wherein the first valve has a valve main body made of an elastic material and an insertion part provided on the valve main body, capable of elastically deforming when the object is inserted into the insertion part, thereby to allow the object to be inserted into the living body in the sealed state, and the second valve has a plurality of film bodes formed of an elastic material and attached on an inside surface of the communication body, each of the film bodies has a contact surface, is bent toward the interior of the living body approximately in the axial direction of the communication body and is adapted to contact the adjacent film bodies at the contact surface.
REFERENCES:
patent: 5366478 (1994-11-01), Brinkerhoff et al.
patent: 5514133 (1996-05-01), Golub et al.
patent: 5522791 (1996-06-01), Leyva
patent: 5853395 (1998-12-01), Crook et al.
patent: 5906577 (1999-05-01), Bean et al.
Bui Vy Q.
Buiz Michael
Olympus Optical Co,. Ltd.
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