Medical stents, apparatus and method for making same

Details Medical stents, apparatus and method for making same Medical stents, apparatus and method for making same

1995-10-16

1998-07-07

Buiz, Michael

Surgery

Instruments

Internal pressure applicator

606192, 623 1, A61M 2900

Patent

active

057761612

ABSTRACT:
An expandable stent and stent graft having a small initial diameter, flexibility along its longitudinal axis prior to expansion and a large expanded and rigid Local strain on the stent material is minimized, as and after the balloon is expanded. More particularly, the stent has rotation joints having minimal strain during stent expansion. The stent is substantially the same length before and after expansion and being flexible longitudinally when constrained, it is easy to locate. A method of manufacturing stents is described comprising rotation of a tube beneath a moving film, with light passing through the film onto the tube, at selected locations. A laser scanning system for stent manufacture is also disclosed.

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patent: 5178618 (1993-01-01), Kandarpa
patent: 5282824 (1994-02-01), Gianturco
patent: 5366473 (1994-11-01), Winston et al.
patent: 5383892 (1995-01-01), Cardon et al.
patent: 5449373 (1995-09-01), Pinchasik et al.
patent: 5514154 (1996-05-01), Lau et al.
patent: 5591197 (1997-01-01), Orth et al.

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