Endovascular stent with locking ring

Details Endovascular stent with locking ring Endovascular stent with locking ring

1995-02-14

1996-11-19

Weiss, John G.

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

Arterial prosthesis

Stent structure

623 12, 606195, A61F 206

Patent

active

055758185

ABSTRACT:
A tubular stent is provided with a braided structure having a body portion and an end portion, where the end portion has a higher pitch angle than the body portion, thereby forming a locking ring. If desired, a second locking ring can be provided at a second end portion of the stent. The locking rings may each include an elevated locus of wires which forms a barb. The barb provides additional strength and sharpness to the locking ring when used to anchor the graft within a blood vessel. The stent is preferably coated or lined with a porous bio-compatible material to allow tissue ingrowth. A preferred method of manufacture comprises inserting a braid into a tube having a smaller diameter than the braid, with one or both of the end portions of the braid extending outside the tube, and precipitation hardening the braid in this configuration in order to form a stent having a body portion with a first pitch angle and one or two locking ring portions with a larger pitch angle.

REFERENCES:
patent: 4954126 (1990-09-01), Wallsten
patent: 5061275 (1991-09-01), Wallsten
patent: 5064435 (1991-11-01), Porter
patent: 5197978 (1993-03-01), Hess
patent: 5330500 (1994-07-01), Song
patent: 5383892 (1995-01-01), Cardon et al.
patent: 5395390 (1995-03-01), Simon et al.
patent: 5397355 (1995-03-01), Martin et al.

Affiliated with

Also associated with

Rating

Endovascular stent with locking ring does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Endovascular stent with locking ring, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Endovascular stent with locking ring will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-537501