left ventricular assist pump
A technology of left ventricle and blood pump, which is applied in the field of medical devices, can solve problems such as unfavorable rehabilitation, and achieve the effects of convenient and reliable connection, improved success rate, and shortened axial size
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[0064] Consistent with the first embodiment, the apical cuff 1 includes a sewing ring 11 and a flexible skirt 12 sleeved on the outer periphery of the sewing ring 11 and used to be sewn to the apex of the heart. The rear cover 21 of the blood pump body 1 is also provided with a sinking groove 22 and a sliding table 26 , and the gap between the sliding table 26 and the rear cover 21 is a guide groove 25 . The rear cover 21 is recessed with a locking piece recess 27 , and the inner ring of the locking piece recess 27 is a wedge-shaped guide portion 271 .
[0065] The difference is that if Figure 11-13 As shown, the rear cover 21 of the blood pump body 2 is provided with two locking pieces 30 that can only move radially. The locking pieces 30 include an arc-shaped segment 36. In the form of a straight line segment 37 , the straight line segment 37 projects into the guide groove 25 in a displaceable manner.
[0066] As a preferred embodiment, the axes of the straight segments 3...
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