Self-expanding endoprosthesis

Details Self-expanding endoprosthesis Self-expanding endoprosthesis

1995-12-06

1998-04-07

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606194, A61M 2900

Patent

active

057358710

ABSTRACT:
The present invention relates to a self-expanding endoprosthesis intended to support walls of anatomical channels. The endoprosthesis according to the invention comprises 2n external longitudinal elements, and 2n other intermediate longitudinal elements, distributed in a parallel arrangement about the axis of the endoprosthesis, and offset with respect to one another along the axis, and a plurality of rings distributed about the axis of the endoprosthesis, joining the longitudinal elements and each being in the form of a filament of zigzag configuration. According to the invention, the folded-down configuration of the endoprosthesis is obtained by longitudinal traction of the external elements with respect to the intermediate elements.

REFERENCES:
patent: 5007926 (1991-04-01), Derbyshire
patent: 5211658 (1993-05-01), Clouse
patent: 5292331 (1994-03-01), Boneau
patent: 5354308 (1994-10-01), Simon et al.
patent: 5449373 (1995-09-01), Pinchasik et al.
patent: 5496365 (1996-03-01), Sgro
patent: 5514154 (1996-05-01), Lau et al.
patent: 5549635 (1996-08-01), Solar
Copy of French Search Report dated Aug. 22, 1995.
Abstract of DE-A-34 17 738; Nov. 1985.
Abstract of EP-A-0 566 807; Oct. 1993.

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