Plastic article or earthenware shaping or treating: apparatus – Shaping means employing anatomical body or portion thereof
Patent
1986-06-02
1988-02-23
Woo, Jay H.
Plastic article or earthenware shaping or treating: apparatus
Shaping means employing anatomical body or portion thereof
264221, 264222, B29C 4517
Patent
active
047267488
ABSTRACT:
An apparatus for obtaining a pressure tight seal around the ostium of a blood vessel branch by clamping to the parent blood vessel or duct wall without deforming the branch. The apparatus may then be used for the injection of a hardenable material such as a polymerizable liquid plastic or a hardenable radiopaque liquid. When the blood vessel or duct is completely filled and the injected material has hardened, the original blood vessel or duct tissue can be removed by corrosion. An accurate replica of the blood vessel or duct is then obtained. The replica may be studied as part of a postmortem examination or used for instruction. If the radiopaque liquid has been used, the replica may be studied by the use of x-rays.
REFERENCES:
patent: 2937443 (1960-05-01), Skinner
patent: 3063455 (1962-11-01), Markley
patent: 3926195 (1975-12-01), Bleier et al.
patent: 4312826 (1982-01-01), Colvin
patent: 4385015 (1983-05-01), Klettke
Walburn et al, "Constructions of Molds of Complex Arterial Segments", Journal of Biomechanical Engineering, vol. 102, No. 4 (Nov. 1980), pp. 284-286.
Lazik Arthur J.
Petersen Norman V.
Petersen T. Douglas
Housel James C.
Kivenson Gilbert
Woo Jay H.
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