Balloon catheter assembly

Details Balloon catheter assembly Balloon catheter assembly

1976-05-24

1977-05-24

Pellegrino, Stephen C.

Surgery

Truss

Pad

128 205F, A61M 2500

Patent

active

040248739

ABSTRACT:
A multi-component flow directed catheter system for use in the determination of physiological parameters in the vascular system. The system includes a catheter assembly and a central component in the form of a balloon tipped central catheter whose primary purpose is to, by means of its flow directed balloon tip, form or act as a passageway from outside of the body to the interior of the heart, in particular, the right heart including the right atrium, the right ventricle and the pulmonary artery. The catheter assembly includes two or more concentric tubes with the inner tube extending distally beyond the outer tube. An inflatable balloon is attached distally to the outer surface of the inside tube to seal the distal portion of the balloon and is proximally attached to the outer surface of the outer tube to seal the proximal portion of the balloon. Inflatation and deflation of the balloon is effected by injecting fluid into the annular space between the two tubes. Movement of the inner tube with respect to the outer tube effects the distance between the distal and proximal attachments of the balloon and thereby effects the shape of the balloon.

REFERENCES:
patent: 281043 (1883-07-01), Finney
patent: 2912981 (1959-11-01), Keough
patent: 3734083 (1973-05-01), Kolin

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