Cardioplegia temperature indicator

Details Cardioplegia temperature indicator Cardioplegia temperature indicator

1982-07-29

1985-04-09

Cohen, Lee S.

Surgery

Truss

Pad

374163, A61B 500

Patent

active

045095329

ABSTRACT:
For use in monitoring the temperature of a heart during open heart surgery involving a cardioplegia system, the invention comprises a housing and mount for a temperature responsive liquid crystal chip or small panel which provides a visual temperature reading in various selected ranges. The housing includes an insulating shell enclosing a heat sink sheet associated with a highly conductive mounting pin which penetrates the wall of the heart and conducts the heart temperature to the heat sink underlying the liquid crystal panel.

REFERENCES:
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patent: 2445539 (1948-07-01), Singer
patent: 3697297 (1972-10-01), Churchill et al.
patent: 3720623 (1973-03-01), Cartmell et al.
patent: 3877411 (1975-04-01), MacDonald
patent: 3920574 (1975-11-01), Brown, Jr. et al.
patent: 3955420 (1976-11-01), Parker
patent: 4083364 (1978-04-01), Kelly et al.
patent: 4166451 (1979-09-01), Salera
patent: 4302971 (1981-12-01), Luk

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