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Your search keyword '"W, Ursinus"' showing total 9 results
Start Over Author "W, Ursinus" Topic blood vessel prosthesis
9 results on '"W, Ursinus"'

1. [Experimental animal studies on the problem of sealing a woven vascular prosthesis and a textile patch by direct-current activated autologous blood].

Author

Sedlarik KM, Lichey C, Reichert K, and Ursinus W

Subjects
Animals, Dogs, Electric Conductivity, In Vitro Techniques, Perfusion, Prosthesis Design, Swine, Swine, Miniature, Blood Transfusion, Autologous, Blood Vessel Prosthesis, Polytetrafluoroethylene, Textiles
Abstract

The results of our animal experiments showed that the sealing of a woven vascular prosthesis or a textile patch by in vitro electrically activated blood by means of direct current is an alternative for the sealing by fibrin adhesive. The materials sealed in this way are resistant to the endogenic fibrinolysis. This simple and non-expensive method is not useful for heparinised blood and in disturbances of coagulation.

Published
1986

2. [Clinical experiences with the sealing of woven vascular prostheses and textile patches with autologous electrically activated blood].

Author

Sedlarik K, Ursinus W, Lichey C, Reichert K, Dippmann G, and Giesel E

Subjects
Adolescent, Adult, Aorta, Thoracic surgery, Child, Electromagnetic Fields instrumentation, Female, Hemorrhage prevention & control, Humans, Intraoperative Complications prevention & control, Male, Middle Aged, Rheology, Aortic Aneurysm surgery, Blood Coagulation, Blood Vessel Prosthesis
Published
1985

3. The sealing of vascular prostheses using autologous electrically activated blood.

Author

Sedlarik KM, Ursinus W, Lichey C, Reichert A, and Schilling B

Subjects
Adult, Electric Conductivity, Hemorrhage prevention & control, Humans, Male, Postoperative Complications prevention & control, Aortic Aneurysm surgery, Aortic Valve Insufficiency surgery, Blood Coagulation, Blood Vessel Prosthesis, Heart Valve Prosthesis
Abstract

Due to preclotting of the vascular prosthesis, autologous blood has shown good results provided that heparinization has not become necessary, or blood coagulation disorders are not present. In cases where replacement of the aorta is performed in the thoracic cavity with extracorporeal circulation or in the case of severe coagulopathies, preclotting with autologous blood does not show satisfactory results. In this presentation we report on a new method of sealing vascular prostheses with the help of autologous blood activated electrically "in vitro". The direct current changes the blood in vitro into a thrombogenic substance. Sealing is effected by placing the outer wall of the prosthesis in electrically activated blood.

Published
1984
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8. [Experimental animal studies on the problem of sealing a woven vascular prosthesis and a textile patch by direct-current activated autologous blood]

Author

K M, Sedlarik, C, Lichey, K, Reichert, and W, Ursinus

Subjects
Perfusion, Blood Transfusion, Autologous, Dogs, Swine, Textiles, Electric Conductivity, Animals, Swine, Miniature, In Vitro Techniques, Prosthesis Design, Polytetrafluoroethylene, Blood Vessel Prosthesis
Abstract

The results of our animal experiments showed that the sealing of a woven vascular prosthesis or a textile patch by in vitro electrically activated blood by means of direct current is an alternative for the sealing by fibrin adhesive. The materials sealed in this way are resistant to the endogenic fibrinolysis. This simple and non-expensive method is not useful for heparinised blood and in disturbances of coagulation.

Published
1986

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