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US 5,849,034 AGranted
Intraluminal stent
AssigneeMedtronic, Inc.
InventorRobert S. Schwartz
Life of this patent
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Abstract
An intraluminal stent comprising fibrin is capable of reducing the incidence of restenosis at the site of vascular injury such as that produced by an angioplasty procedure.
Claims19
A method for making an intraluminal stent comprising the steps of:
- (a) providing a stent comprising a plurality of spaced-apart elements;
- (b) polymerizing fibrin on the stent elements such that the fibrin extends between the spaced-apart stent elements;
- and
- (c) radially compressing the stent and polymerized fibrin to a delivery diameter.
1 more element
A method for making an intraluminal stent comprising the steps of:
- (a) providing a stent comprising a plurality of spaced-apart elements;
- (b) providing a fibrin preform;
- (c) applying the fibrin preform to the stent such that the preform extends between the spaced-apart stent elements;
- and
- (d) radially compressing the stent and applied fibrin preform to a delivery diameter.
2 more elements
A method for making a intravascular device comprising fibrin comprising the steps of:
- (a) providing an intravascular device;
- (b) admixing fibrinogen with a coagulating protein to produce fibrin;
- (c) neutralizing the coagulating protein,
- (d) incubating the fibrin in a biological buffer solution;
- and
- (e) compressing the incubated fibrin onto the intravascular device.
3 more elements
Dependencies are inferred from the claim text.