Catheter

Details Catheter Catheter

1988-12-12

1990-01-09

Thaler, Michael H.

Surgery

Instruments

Internal pressure applicator

128 6, 604 96, A61B 106, A61M 2902

Patent

active

048920991

ABSTRACT:
A catheter adapted to be inserted into a blood vessel is disclosed which comprises a flexible tube-like sheath including a fluid passage therein and a radially expansive and contractive balloon disposed about the peripheral surface of the distal end portion of said sheath and communicating with said fluid passage. The catheter is characterized in that a light guide formed by extrusion for transmitting illumination light to the leading end of the catheter has disposed therein, an image guide for transmitting an image from the distal end of the catheter, and a transparent liquid guide passage opening at the distal end of the catheter, are guide being disposed substantially in parallel with each other within the flexible tube-like sheath whereby the catheter includes the concurrent function of an endoscope.

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J. F. Vollmar et al., "Vascular Edoscopy", Surgical Clinics of North American, vol. 54, No. 1, Feb. 1974.
C. A. Athanasavcis, "Percutaneous Transluminal Angioplasty General Principles", Aur:135, Nov. 1980.
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