Active thermal control of ultrasound transducers

Details Active thermal control of ultrasound transducers Active thermal control of ultrasound transducers

1994-06-13

1996-10-01

Jaworski, Francis

Surgery

Truss

Pad

12866203, A61B 800

Patent

active

055603629

ABSTRACT:
An ultrasound transducer assembly having a housing, a transducer array mounted in the housing, and active cooling mechanism positioned adjacent to the transducer array for actively removing heat generated by the array by transport of heat energy from the affected site. The active cooling mechanism may comprise a heat exchanger including a closed loop circulating coolant system circulating coolant, or a single-pass flowed coolant, passing through the heat exchanger, a heat pipe, a thermoelectric cooler, an evaporative/condenser system, and/or a phase change material. One or more heat exchangers may be used having gas or liquid coolants flowing therethrough. The heat exchangers and coolant pumps may be located in various components of the transducer assembly, including the array housing, the connector assemblies or the ultrasound console.

REFERENCES:
patent: 4428748 (1984-01-01), Peyman et al.
patent: 4586512 (1986-05-01), Do-huu et al.
patent: 4748985 (1988-06-01), Nagasaki
patent: 4889112 (1989-12-01), Watmough et al.
patent: 5213103 (1993-05-01), Martin et al.
patent: 5240675 (1993-08-01), Wilk et al.

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