Radiation-emitting flow-through temporary stent

Details Radiation-emitting flow-through temporary stent Radiation-emitting flow-through temporary stent

A - Human Necessities

61

M

A61M 25/10 (2006.01) A61N 5/00 (2006.01) A61N 5/10 (2006.01) A61M 29/00 (2006.01)

Patent

CA 2202421

The invention is directed to an intravascular catheter with an expandable region suitable for maintaining the patency of a body lumen for a period of time sufficient to permit delivery of a radiation source to the body lumen. The expandable region centers the radiation dose within the body lumen, such as a coronary artery, and permits blood flow through the expandable region while radiation therapy is provided.

L'invention porte sur un cathéter intravasculaire comportant une région extensible qui convient pour maintenir la perméabilité d'une lumière corporelle pendant une période de temps suffisante pour permettre l'exposition de la lumière corporelle à une source de rayonnement. La région extensible permet de centrer la dose de rayonnement dans une lumière corporelle, comme une artère coronaire, tout en permettant l'écoulement du sang à travers la région extensible en cours de radiothérapie.

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