Local delivery of an active agent from an orthopedic implant

Details Local delivery of an active agent from an orthopedic implant Local delivery of an active agent from an orthopedic implant

A - Human Necessities

61

B

A61B 17/70 (2006.01)

Patent

CA 2605685

A posterior spinal fixation device or dynamic spinal stabilization device or other orthopedic device includes an active agent-delivery component. The active agent-delivery component has an active agent impregnated therein or adsorbed thereon or otherwise contained therein and is configured to release the active agent locally after the device is implanted in a patient. One preferred type of implant in accordance with the invention is an implant for stabilizing a spinal motion segment that includes a spacer member (30, 132, 236, 432) positionable between adjacent spinous processes or transverse processes or other posterior spinal element, including an implanted anchor element (232, 234).

L'invention concerne un dispositif de fixation vertébrale postérieure ou un dispositif de stabilisation vertébrale dynamique ou un autre dispositif orthopédique comprenant un élément de libération d'agent actif. L'élément de libération d'agent actif comprend un agent actif imprégné dedans ou absorbé dessus ou bien contenu dedans et est configuré de manière à libérer l'agent actif localement, une fois le dispositif implanté chez un patient. Un type d'implant préféré, selon l'invention, est un implant servant à stabiliser un segment de mouvement rachidien, qui comprend un élément écarteur (30, 132, 236, 432) pouvant être positionné entre des apophyses épineuses adjacentes ou des apophyses transverses ou un autre élément vertébral postérieur, y compris un élément d'ancrage (232, 234) implanté.

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