Appliance collapsible for insertion into human organs and capabl

Details Appliance collapsible for insertion into human organs and capabl Appliance collapsible for insertion into human organs and capabl

1992-07-28

1994-03-01

Green, Randall L.

Surgery

Instruments

Internal pressure applicator

606194, 623 1, 623 12, 600 37, A61M 2900

Patent

active

052903052

ABSTRACT:
An artificial body vessel to be inserted into a human organ is collapsed and introduced into a catheter, which is brought to a required position in the human organ, where the artificial body vessel is released therefrom. A pair of foldable, elastic wire rings 10 are provided at the opposite ends of the artificial body vessel. A plurality of connecting wire rings bridge the end wire rings 10. A plurality of intermediate wire rings 12 bind and keep the connecting wire rings 11 transformed in a generally elliptical shape. The end wire rings 10, the intermediate wire rings 12 and the connecting wire rings 11 are folded by means of a string passed through loops to collapse the artificial body vessel 7. The collapsed artificial body vessel 7 is inserted into a catheter. At the objective position of the blood vessel the artificial body vessel 7 is released, so that the resiliency of the end wire rings 10, the intermediate wire rings 12 and the connecting wire rings 11 restores the artificial body vessel 7 to its original tubular shape. The artificial body vessel 7 is released by means of a tube, formed with a side window adjacent its front end, containing a wire which extends along the side window.

REFERENCES:
patent: 4512338 (1985-04-01), Balko et al.
patent: 4739762 (1988-04-01), Palmaz
patent: 4856516 (1989-08-01), Hillstead
patent: 4873978 (1989-10-01), Ginsburg
patent: 4878906 (1989-11-01), Lindemann et al.
patent: 4998539 (1991-03-01), Delsanti
patent: 5041126 (1991-08-01), Gianturco

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