| 摘要 |
FIELD: medical engineering. ^ SUBSTANCE: device has ring-shaped body, fixing members 3 manufactured as protrusions and rotatable cusps mounted in the ring-shaped body. Slots are available on lateral surfaces of body fixing members mainly arranged along central axis of the device body. Protrusions are available on lateral surfaces of slots produced on lateral surfaces of cusp. The protrusions are engageable with slots in device body. ^ EFFECT: higher thrombus formation resistance. ^ 6 cl, 5 dwg |
