Prophylactic bactericidal implant

Details Prophylactic bactericidal implant Prophylactic bactericidal implant

A - Human Necessities

61

F

A61F 2/02 (2006.01) A61F 2/28 (2006.01) A61F 2/30 (2006.01) A61L 2/00 (2006.01) A61L 33/00 (2006.01)

Patent

CA 2613121

A medical implant system is described for inhibiting infection associated with a joint prosthesis implant. An inventive system includes an implant body made of a biocompatible material which has a metal component disposed on an external surface of the implant body. A current is allowed to flow to the metal component, stimulating release of metal ions toxic to microbes, such as bacteria, protozoa, fungi, and viruses. One detailed system is completely surgically implantable in the patient such that no part of the system is external to the patient while the system is in use. In addition, externally controlled devices are provided which allow for modulation of implanted components.

L'invention concerne un système d'implant médical qui permet d'inhiber l'infection associée à une prothèse articulaire. Le système de l'invention est constitué d'un corps d'implant en matériau biocompatible qui contient un composant métallique placé sur la surface extérieure du corps d'implant. L'application d'un courant qui s'écoule jusqu'au composant métallique stimule la libération d'ions métalliques toxiques pour les microbes, tels que bactéries, protozoaires, champignons et virus. Un système détaillé de l'invention peut être complètement implanté chirurgicalement dans le corps du patient de manière à ce qu'aucune partie du système ne subsiste à l'extérieur du corps du patient lorsque ce système est utilisé. De plus, des dispositifs à commande extérieure permettent de moduler les composants implantés.

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