Surgery – Instruments – Electrical application
Patent
1993-05-14
1994-11-15
Pellegrino, Stephen C.
Surgery
Instruments
Electrical application
606 33, 606 38, 607101, 607154, 607156, A61B 1739
Patent
active
053643925
ABSTRACT:
A tuner system for a microwave power supply used in an ablation catheter system is disclosed. The tuner system includes a tuner arranged to facilitate matching the impedance of a power generator side portion of the catheter system with the impedance of a catheter side portion of the catheter system. A reflected power monitor is also provided for monitoring the amount of power that is reflected from the catheter during use. In a preferred aspect of the invention, the tuner is used in a power supply that includes a microwave power source and is used in conjunction with a catheter having a coaxial transmission line and a helical antenna. In a method aspect of the invention, a method for medical treatment using a microwave ablation catheter system is disclosed.
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Grundy David A.
Warner Glen G.
Fidus Medical Technology Corporation
Peffley Michael
Pellegrino Stephen C.
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