Artificial blood conduit

Details Artificial blood conduit Artificial blood conduit

1976-12-16

1978-05-02

Frinks, Ronald L.

Surgery

Truss

Pad

3 17, 128 1D, 128334R, 138109, 138121, 138127, 138138, A61F 124, A61M 103

Patent

active

040866653

ABSTRACT:
An artificial blood conduit comprises two concentrically associated tubes. Convolutions in the tube walls provide flexibility and reduce the tendency to kink. The inner tube is porous to promote the growth of a stable biological interface. The outer tube is impervious to prevent contamination of the blood in locations external to the host body. Rigid reinforcing rings located between the two tubes and affixed to the outer tube, provide the conduit with strength to resist collapse from a wide variety of stress forces. A Dacron cloth sewn tightly around the exterior of the conduit allows tissue fixation without puncturing the conduit. End connectors are provided for different types of anastomoses.

REFERENCES:
patent: 2700988 (1955-02-01), Smisko
patent: 3105492 (1963-10-01), Jeckel
patent: 3272204 (1966-09-01), Artandi et al.
patent: 3357432 (1967-12-01), Sparks
patent: 3374856 (1968-03-01), Wirt
patent: 3409913 (1968-11-01), Kantrowitz et al.
patent: 3688317 (1972-09-01), Kurtz
patent: 3938528 (1976-02-01), Bucalo
"An Abdominal Left Ventricular Assist Device: Experimental Physiologic Analyses, II" by William J. Robinson et al., Transactions American Society For Artificial Internal Organs, vol. XIX, 1973, pp. 229-234.
"Relief of Congenital Obstruction to Left Ventricular Outflow with a Ventricular-Aortic Prosthesis" by William F. Bernhard et al., The Journal of Thoracic & Cardiovascular Surgery, vol. 69, No. 2, Feb. 1975, pp. 223-229.

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