Energy activated vaso-occlusive devices

Details Energy activated vaso-occlusive devices Energy activated vaso-occlusive devices

A - Human Necessities

61

B

A61B 17/12 (2006.01)

Patent

CA 2539648

A vaso-occlusive device for treating a site within a patient's vasculature, the device comprising a material which may be heated by application of a source of energy external to the body after the device is implanted at a treatment site in a patient's body. The device is introduced in a cavity of a patient's vasculature, such as an aneurysm, after which an external energy source, such as a MRI machine is activated to heat the vaso-occlusive device to assist in forming a thrombus or embolism within the treatment site, to release and/or activate a diagnostic or therapeutic agent carried by the vaso- occlusive device, and/or to fuse together portions of the vaso-occlusive device to help stabilize the device in a three-dimensional shape.

La présente invention concerne dispositif vaso-occlusif destiné à traiter un site vasculaire de patient, ce dispositif comprenant un matériau qui peut être chauffé par application d'une source d'énergie externe sur l'anatomie après implantation du dispositif dans le site de traitement de l'anatomie du patient. Ce dispositif est introduit dans une cavité du système vasculaire du patient, telle qu'un anévrisme, après quoi une source d'énergie externe, tel qu'un appareil I.R.M. est actionné de façon à chauffer le dispositif vaso-occlusif afin de former un caillot ou une embolie à l'intérieur du site de traitement, de façon à libérer et/ou à activer un agent diagnostique ou thérapeutique et/ou à fusionner ensemble des parties de ce dispositif vaso-occlusif et aider à stabiliser ce dispositif dans une forme à trois dimensions.

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