MEDICAL IMPLANT, COATING METHOD AND IMPLANTATION METHOD
First Claim
1. A medical implant comprising a base body which has a first end and a second end arranged opposite one another in a main direction of the extent of the base body, and a coating such that the coating has at least one active substance with an active substance gradient, characterized in that the quantity of active substance decreases from the first end to the second end at least in the main direction of extent of the base body.
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Accused Products
Abstract
One example of the invention relates to a medical implant having a base body comprising a first end and a second end, which are arranged at opposite ends of the base body in a main direction of the extent of the base body, and a coating, such that the coating has at least one active substance with an active substance gradient. It is proposed that the quantity of active substance shall decrease from the first end to the second end, at least in the main direction of extent of the base body.
143 Citations
20 Claims
- 1. A medical implant comprising a base body which has a first end and a second end arranged opposite one another in a main direction of the extent of the base body, and a coating such that the coating has at least one active substance with an active substance gradient, characterized in that the quantity of active substance decreases from the first end to the second end at least in the main direction of extent of the base body.
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17. A medical implant comprising:
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a base body having a first end and an opposing distal second end in a main direction of the base body, the base body comprising at least one of cobalt and chromium; and
,a coating covering at least a portion of the base body and comprising at least one active substance, the coating active substance present in a quantitative gradient along the base body main direction and decreasing from the first end to the second end, the at least one active substance being elutable wherein a eluted active substance gradient concentration is achieved in an adjacent cavity wall when the implant is implanted in a cavity corresponding generally to the gradient concentration in the coating along the base body main direction. - View Dependent Claims (18, 19, 20)
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Specification