Method for forming a blood flow in surgically reconstituted segments of the blood circulatory system and devices for carrying out said method
First Claim
1. A vessel prosthesis comprising a tube having an internal surface that is provided with a pattern for swirling the blood flow in accordance with formulas:
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Abstract
The device relates to clinical cardiology and cardiovascular surgery. The method for forming a blood flow in research stands and in surgically reconstructed segments of the blood circulation system comprises diagnosing the individual condition of a patient'"'"'s blood circulation system; measuring the blood flow velocity field in the heart chambers and great vessels; comparing the parameters measured against the physiological norm; determining parameters forming a swirled blood flow; and modeling an individual swirled blood current in the blood circulation system being diagnosed, the streamlined surfaces and guide elements of flow channels of the blood circulation system reconstructed being given shapes conforming to the flow lines of the restored normally swirled blood flow in accordance with formulas:
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Citations
15 Claims
- 1. A vessel prosthesis comprising a tube having an internal surface that is provided with a pattern for swirling the blood flow in accordance with formulas:
- 4. A cannula for para-corporeal perfusion devices comprising an angled pointed tip, a swirling device, and a flow channel having an internal surface that is provided with a longitudinal pattern for swirling the blood flow in accordance with formulas:
- 8. A heart valve prosthesis, comprising one or more shutoff elements arranged symmetrically at the center of a body of round and/or oval cross-section, the streamlined surfaces of the valve being provided with a pattern in accordance with formulas:
- 10. A blood pump comprising a flow compression unit, a flow channel, and valves at the inlet and outlet of the channel, the surface washed over by blood being provided with a pattern in accordance with formulas:
Specification