Radio frequency induced drug elution

Details Radio frequency induced drug elution Radio frequency induced drug elution

A - Human Necessities

61

F

A61F 2/88 (2006.01) A61K 9/00 (2006.01)

Patent

CA 2642042

A medical device including at least one reservoir, adapted to contain a material, such as a therapeutic agent, and sealed by a cover. The reservoir is openable, so as to release the material, for example, by (i) disintegration of the cover, (ii) movement of the cover to an open position, and/or (iii) a change of composition or properties of the cover allowing the material to pass therethrough. The power required to open the reservoir is provided by a current induced in a coil associated with the medical device by a change in magnetic flux in the area of the medical device.

L'invention concerne un dispositif médical comprenant au moins un réservoir, adapté pour contenir une substance telle qu'un agent thérapeutique, et fermé par un couvercle. Le réservoir est ouvrable, de façon à libérer la substance, par exemple, par (i) une désintégration du couvercle, (ii) un mouvement du couvercle vers une position ouverte, et/ou (iii) un changement de composition ou des propriétés du couvercle permettant à la substance de passer à travers celui-ci. La puissance requise pour ouvrir le réservoir est produite par un courant induit dans une bobine associée au dispositif médical par un changement dans un flux magnétique dans la zone du dispositif médical.

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