Methods of making medical devices
First Claim
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1. A method of making a medical device having a covered scaffold comprising the steps of:
- providing a scaffold comprising a plurality of scaffold members separated by interstitial regions;
forming a cover member on a surface of the plurality of scaffold members by an additive methodology, the cover member extending across the interstitial regions; and
creating a plurality of openings passing through the cover member.
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Abstract
Methods for making the medical devices consist of either providing or forming a scaffold, then depositing a metallic or pseudometallic film cover onto the scaffold in such a manner as to form an integral, substantially monolithic junction between the deposited cover material and the scaffold.
220 Citations
20 Claims
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1. A method of making a medical device having a covered scaffold comprising the steps of:
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providing a scaffold comprising a plurality of scaffold members separated by interstitial regions; forming a cover member on a surface of the plurality of scaffold members by an additive methodology, the cover member extending across the interstitial regions; and creating a plurality of openings passing through the cover member. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A method of making a medical device comprising:
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forming a substrate pattern region on a surface of a substrate, the substrate pattern region comprising recesses corresponding to a desired pattern for a scaffold; depositing a scaffold forming material on the surface of the substrate with the desired pattern to fill the substrate pattern regions; planarizing the substrate by removing the scaffold forming material to the surface of the substrate so that scaffold forming material remains in the substrate pattern regions to form the plurality of scaffold members separated by interstitial regions; forming a cover member on a surface of the plurality of scaffold members by an additive methodology, the cover member extending across the interstitial regions; and creating a plurality of openings passing through the cover member. - View Dependent Claims (14, 15, 16, 17)
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18. A method of making a medical device having a covered scaffold comprising the steps of:
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mounting a pre-existing scaffold on a substrate, the pre-existing substrate comprising a plurality of scaffold members separated by interstitial regions; forming a layer of sacrificial material over the scaffold on the substrate; planarizing the layer of sacrificial material by removing sacrificial material sufficient to expose the surface of the plurality of scaffold members while leaving sacrificial material to cover the substrate in the interstitial regions between the plurality of scaffold members; depositing a cover material over the sacrificial material to contact the exposed surface of the plurality of scaffold members and extend across the interstitial regions; creating a plurality of openings passing through the cover member; and removing the substrate and the sacrificial material from the joined cover member and scaffold. - View Dependent Claims (19, 20)
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Specification