FIELD: medicine.
SUBSTANCE: temporary percutaneous valve-filter device has at least one configuration deployed in the form of an open umbrella, valve parts and filter parts. Valve parts are impermeable for blood. Filter parts are impermeable for emboli, but at least partially permeable for blood. The unified design is made with one umbrella-shaped dome having one or more filtering areas with flaps providing a possibility of unidirectional blood flow. The valve assembly and the filter assembly are formed with umbrella-shaped domes oriented in opposite directions.
EFFECT: valve assembly closes and opens to allow blood flow in one direction.
27 cl, 6 dwg
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Authors
Dates
2017-11-02—Published
2014-03-13—Filed