Photocurable endoprosthesis methods of manufacture
First Claim
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1. A method of manufacture of an endoprosthesis comprising the steps of:
- providing an endoprosthesis comprising a first curable material, a first region and a second region, wherein said first curable material is curable by exposure to a radiation source;
providing a radiation emitting catheter comprising an inflatable balloon, wherein said balloon comprises a photolithographic masking coating to prevent the exposure of said first region of said endoprosthesis to radiation;
selectively curing said first curable material.
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Abstract
Methods of manufacture of endoprostheses comprising one or more photocurable materials are disclosed. The endoprostheses may comprise regions wherein the photocurable materials are selectively disposed about the endoprosthesis and are cured according to desired parameters to achieve varying desired properties. Photolithographic masking material may be selectively disposed about an inflatable balloon and exposed to a radiation emitting catheter.
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Citations
11 Claims
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1. A method of manufacture of an endoprosthesis comprising the steps of:
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providing an endoprosthesis comprising a first curable material, a first region and a second region, wherein said first curable material is curable by exposure to a radiation source; providing a radiation emitting catheter comprising an inflatable balloon, wherein said balloon comprises a photolithographic masking coating to prevent the exposure of said first region of said endoprosthesis to radiation; selectively curing said first curable material. - View Dependent Claims (2, 3, 4)
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5. A method of manufacture of an endoprosthesis comprising:
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providing a balloon catheter comprising a balloon; inflating said balloon to nominal pressure; applying a photolithographic masking coating to said balloon in a predetermined pattern; applying a photocurable film over said balloon; introducing a radiation source within said balloon; curing said film at a first wavelength; removing non-cured material; deflating said balloon; packaging and sterilizing said endoprosthesis and balloon catheter; inserting said endoprosthesis into the vasculature of a patient; inflating said balloon proximate a lesion; curing said prosthesis at a second wavelength; deflating said balloon; removing said balloon catheter. - View Dependent Claims (6, 7)
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8. A method of manufacture of an endoprosthesis comprising the steps of
coextruding a first curable material and a second curable material to form a generally tubular structure; -
cutting portions from said tube to define a desired pattern; initiating curing of said first curable material and said second curable material. - View Dependent Claims (9, 10, 11)
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Specification