Packaging with active protection layer
First Claim
Patent Images
1. An implantable medical device comprising:
- a plurality of components on a substrate; and
a biocompatible multi-layer coating applied at least in part by vapour deposition to conform to and sealingly cover at least a portion of the components and the substrate, the coating being applied in at least two sets of layers, wherein each set has at least one layer formed by dissociation of a polymeric precursor and then deposition of that dissociated precursor, and another layer is a biocompatible liquid, and further wherein each of the sets has at least three layers, and diffusion through each layer differs from that of the other layers in the set.
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Abstract
An implantable medical device including a plurality of components on a substrate, and a biocompatible multi-layer coating applied at least in part by vapor deposition to conform to and sealingly cover at least a portion of the components and/or the substrate. The coating is applied in at least two sets of layers, wherein each set has at least one layer formed by dissociation of a polymeric precursor and then deposition of that precursor, and another layer is a biocompatible liquid.
67 Citations
17 Claims
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1. An implantable medical device comprising:
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a plurality of components on a substrate; and a biocompatible multi-layer coating applied at least in part by vapour deposition to conform to and sealingly cover at least a portion of the components and the substrate, the coating being applied in at least two sets of layers, wherein each set has at least one layer formed by dissociation of a polymeric precursor and then deposition of that dissociated precursor, and another layer is a biocompatible liquid, and further wherein each of the sets has at least three layers, and diffusion through each layer differs from that of the other layers in the set. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. An implantable medical device comprising:
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a plurality of components on a substrate having at least a first three-dimensional portion; and a biocompatible multi-layer coating applied at least in part by vapour deposition to conform to and sealingly cover at least the first portion of the components and the substrate, the coating being applied in at least two sets of layers, wherein each set has at least one layer formed by dissociation of a polymeric precursor and then deposition of that dissociated precursor, and another layer is a biocompatible liquid, and wherein a barrier property for the transport of impurities is dominated more by the interface between adjacent layers than by the thickness of each individual layer, and further wherein each of the sets has at least three layers, and diffusion through each layer differs from that of the other layers in the set. - View Dependent Claims (17)
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Specification