Surgery – Instruments – Heat application
Patent
1989-05-03
1991-03-12
Hindenburg, Max
Surgery
Instruments
Heat application
A61B 1736
Patent
active
049989324
ABSTRACT:
A catheter includes at least two electrical conductors extending from the proximal to the distal ends. A semiconductor chip generator of electromagnetic radiation is located at the distal end and is energized by electrical power supplied by the electrical conductors. The chip may be a laser or include an oscillator for generating electromagnetic radiation at a selected frequency or frequencies. In one embodiment, two chip radiation generators are located distally, each connected to one of the conductors. A third conductor is connected in common to both chips, whereby they may be energized independently. An axial aperture may be provided for a guide wire. A balloon may surround the distal end of the catheter, and may be inflated by way of another axial aperture.
REFERENCES:
patent: 4643186 (1987-02-01), Rosen et al.
patent: 4776086 (1988-10-01), Kasevich
patent: 4860744 (1989-08-01), Johnson et al.
patent: 4905690 (1990-03-01), Ohshiro et al.
"GaAs MMIC's Research Status in the U.S.A." by Ch'en, published by pp. 23-33 of the Proceedings of the 13th European Microwave Conference (1983).
"Optically Activated PIN Diode Switch Utilizing 2-D Laser Array at 808 nm as an Optical Source", published in the IEEE Transactions in Feb. of 1989.
Rosen Arye
Rosen Har'el
AMT Inc.
Hindenburg Max
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