Self-expandable stent delivery system for bifurcated lesions

Details Self-expandable stent delivery system for bifurcated lesions Self-expandable stent delivery system for bifurcated lesions

2006-09-25

2011-11-01

Isabella, David (Department: 3738)

Prosthesis (i.e., artificial body members), parts thereof, or ai

Arterial prosthesis

Bifurcated

C623S001110, C623S001120, C623S001340, C623S001370

Reexamination Certificate

active

08048148

ABSTRACT:
Self-expandable bifurcation stent and systems for delivery and implantation of the self-expandable bifurcation stent, comprising a self-expandable bifurcation stent made of a material possessing shape memory, capable of shaping a mesh with cylindrical surface and marked by radioactive labels, and the delivery system for its implantation, comprising a polymeric tubular catheter with a cap at the distal end, a guiding wire and a pushing wire, where the tubular catheter is executed double-barreled, one lumen accommodating the guiding wire, and the second lumen accommodating the pushing wire with a cap at its distal end, which cap is executed in the shape of a polymeric elastic cap put over the tubular catheter accommodating, between the polymeric elastic cap and the tubular catheter, the stent in the first position with the reduced diameter, the cap is executed with the capability of distal5moving along the guiding wire and along the tubular catheter accommodating the stent, by means of the pushing wire, and with capability of unrolling the stent at the proximal end into the second position with greater diameter, and the capability of backwards proximal moving thus returning the stent to its first position in the tubular catheter.

REFERENCES:
patent: 6241758 (2001-06-01), Cox
patent: 6464720 (2002-10-01), Boatman et al.

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