Multi-purpose multi-parameter cardiac catheter

Details Multi-purpose multi-parameter cardiac catheter Multi-purpose multi-parameter cardiac catheter

1992-07-16

1995-07-25

Sykes, Angela D.

Surgery

Truss

Pad

128692, 128713, 128736, A61B 5028

Patent

active

054353084

ABSTRACT:
A multi-lumen, multi-purpose cardiac catheter which incorporates optical filaments and an optical coupler for use with external apparatus for determining the oxygen concentration in the blood of a patient under critical care conditions, as well as incorporating therein a heater coil useable with a second external apparatus for measurement of continuous cardiac output. The catheter also includes a thermistor and at least one injectate port for enabling the user to also conduct thermal dilution readings and obtain intermittent measurements of cardiac output. The combination of a thermal dilution catheter with a SVO.sub.2 catheter and a continuous cardiac output catheter gives the multi-purpose catheter above described substantial versatility as well as providing the user with a versatile cardiac catheter device which enables him to conduct multiple evaluations of disparate blood-related parameters which require the use of separate apparatus. Simply by switching from one external apparatus to the other, the user can obtain readings for different blood-related parameters useful in the treatment of the cardiac patient.

REFERENCES:
patent: 4217910 (1980-08-01), Khalil
patent: 4776340 (1988-10-01), Moran et al.
patent: 4785823 (1988-11-01), Eggers et al.
patent: 4941475 (1990-07-01), Williams et al.

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