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2 131 271

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IPC

(21) (22)

Application

93048838/14, 1993-10-25

(22)

Actual filing date

1993-10-25

(45)

Published

1999-06-10

(72)

Inventor

Shumakov V.I.Tolpekin V.E.Romanov O.V.Melemuka I.V.

(73)

Holder

Nauchno-Issledovatel'Skij Institut Transplantologii I Iskusstvennykh Organov Mz Rf

AXIAL VANE PUMP FOR AUXILIARY BLOOD CIRCULATION Russian patent published in 1999 - IPC

Abstract RU 2131271 C1

FIELD: cardiosurgery. SUBSTANCE: pump has impeller with vanes mounted in pump body for rotation from flexible shaft installed in bearings press-fitted in bushings of straightening-out apparatus body. The latter includes special sealing which consists of bushing press-fitted in body of straightening-out apparatus, springing member, for example, silicone ring and friction sleeve. Springing member is capable of pressing the impeller to sleeve. EFFECT: reduced thrombogenesis. 1 dwg

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RU 2 131 271 C1

Authors

Shumakov V.I.

Tolpekin V.E.

Romanov O.V.

Melemuka I.V.

Dates

1999-06-10—Published

1993-10-25—Filed

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