Apparatus and method for delivering diagnostic and therapeutic a

Details Apparatus and method for delivering diagnostic and therapeutic a Apparatus and method for delivering diagnostic and therapeutic a

1998-10-07

2000-04-25

Yasko, John D.

Surgery

Means for introducing or removing material from body for...

Treating material introduced into or removed from body...

604507, 604523, 604526, 604530, A61K 922

Patent

active

060539003

ABSTRACT:
An apparatus and method for delivering diagnostic and therapeutic agents intravascularly in which the apparatus has a shape defined by a preset shape of a resilient fiber core. The resilient fiber core is covered by a soft polymer tubing or other polymer material to form a delivery apparatus that takes the shape of the resilient fiber core. Various shapes and structures are disclosed that infuse diagnostic and therapeutic agents through a lumen of the polymer tubing, that deliver the agents in the form of a soluble coating, and that circulate or contain a preloaded charge of radioactive material for intravascular radiotherapy. The resilient fiber core and soft polymer material permit the construction of a very small apparatus that can be removed easily following treatment. Various deployment systems are disclosed for deploying the delivery apparatuses into a vessel and for protecting against radiation exposure.

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