Welded radially expandable endoprosthesis and the like

Details Welded radially expandable endoprosthesis and the like Welded radially expandable endoprosthesis and the like

1993-01-13

1994-04-19

Rosenbaum, C. Fred

Surgery

Instruments

Internal pressure applicator

606195, 623 1, 623901, A61F 206

Patent

active

053042000

ABSTRACT:
Radially expandable endoprostheses or stents are provided, as well as their method of manufacture. These stents include a plurality of adjacent generally circumferential sections that are substantially axially positioned with respect to each other. Included are generally circumferentially disposed expandable segments that impart circumferential and radial expandability to the stents. The terminal portions of the end circumferential sections are welded directly to a portion of a generally adjacent circumferential section, and the welding preferably is carried out within an inert gas environment in a manner that minimizes crack formation at the weld locations.

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Van Nostrand's Scientific Encyclopedia (6th ed), Van Nostrand Reinhold Co., New York, 1983.

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