SYSTEMS AND METHODS FOR PROVIDING ZONES OF SELECTIVE THERMAL THERAPY

摘要

The present disclosure describes for at least two zones of selective thermal therapy of the body. Three-port extracorporeal circuits are described that can be used to establish at least two zones of selective thermal therapy of the body. The example three-port extracorporeal circuit includes a branching section that provides for setting the temperature of blood injected into two different portions of the body at differing temperature levels, to provide at least two zones of selective thermal therapy.

主权项

1. A system for providing at least two zones of selective thermal therapy, the system comprising:
an extracorporeal circuit comprising:
an injector member comprising a distal tip disposed at a vascular location;a first port to withdraw blood from the body;a second port to return blood to the body;a first pump disposed between the first port and the second port to pump blood from the first port to the second port;a branching section positioned between the first pump and second port;a third port coupled to the branching section, the third port being positioned on an extracorporeal side of the injector member;a second pump positioned between the branching section and the third port, wherein the second pump is configured to control a flow rate out the branching section into the injector member through the third port;a first heat exchanger disposed between the first pump and the second port, the first heat exchanger being configured to set a temperature of blood injected into the second port to a first temperature level; anda second heat exchanger disposed between the second pump and the injector member, the second heat exchanger being configured to set the temperature of blood injected into the injector member to a second temperature level different from the first temperature level.