FIELD: medical engineering.
SUBSTANCE: device has ring-shaped body, disk-shaped locking member and cuff with supporting ring. Anti-friction means fabricated as bioinert bushing is available between device body and supporting ring. The anti-friction means is manufactured from material possessing shape memory properties.
EFFECT: reduced hemodynamic resistance, hemolysis, thrombus formation and operation noise.
6 dwg
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Authors
Dates
2006-07-20—Published
2004-04-29—Filed