Monitoring catheter for medical use

Details Monitoring catheter for medical use Monitoring catheter for medical use

1990-02-15

1992-04-28

Pellegrino, Stephen C.

Surgery

Means for introducing or removing material from body for...

Material introduced into and removed from body through...

604 45, 604 53, 128736, 128748, A61M 300

Patent

active

051083647

ABSTRACT:
A monitoring catheter for medical use characterized by a main tube for discharge path of body fluids, etc.; a first auxiliary tube for air flow which surrounds the main tube and is provided within the wall; a second auxiliary tube or a third auxiliary tube which forms passageway for liquid drug infusion or measures pressure; and a lead for measuring a temperature which is embedded within the wall of the main tube. The main tube has a plurality of bores on the wall near the tip portion thereof and also has a connecting portion for connecting with a container for drainage capture at the rear end of the main tube. The first auxiliary tube opens at the tip portion thereof towards the inside of the main tube and at the same time, is branched from the main tube near the rear end of the catheter and a filter is equipped at the rear end of the branched portion. The second auxiliary opens towards the outer surface of the catheter. The third auxiliary tube opens towards the outer surface of the catheter at a distance of 5 to 70 cm from the tip portion of the catheter. The tip of the lead is located near the tip portion of the catheter and is equipped with a temperature sensor. The lead is also branched from the main tube near the rear end of the catheter and the thus branched portion is equipped with a connector.

REFERENCES:
patent: 3951136 (1976-04-01), Wall
patent: 4263921 (1981-04-01), Trugillo
patent: 4497324 (1985-02-01), Sullivan et al.
patent: 4603699 (1986-08-01), Himpens
patent: 4717379 (1988-01-01), Ekholmer
patent: 4721115 (1988-01-01), Owens
patent: 4722348 (1988-02-01), Ligtenberg et al.
patent: 4813429 (1989-03-01), Eshel et al.

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