Device for cardiocirculatory assistance

Details Device for cardiocirculatory assistance Device for cardiocirculatory assistance

2008-05-06

2008-05-06

Zalukaeva, Tatyana (Department: 3761)

Surgery

Blood drawn and replaced or treated and returned to body

C604S033000, C604S028000, C604S509000, C600S017000, C600S018000, C417S356000

Reexamination Certificate

active

11484595

ABSTRACT:
A device for cardiocirculatory assistance, also named a ventricular assist device, includes a haematic pump (50) with a pump body (7) having an inner space (21) defined by a rigid structure (51) and a pair of mobile membranes (16, 17) alternately driven in opposite directions by alternately positive pressure and negative pressure gas supplied to recesses (19, 20) surrounding the two membranes by means of an external pneumatic force generating unit (1). This device achieves excellent operation results while maintaining a reduced size and reduced weight.

REFERENCES:
patent: 4183357 (1980-01-01), Bentley et al.
patent: 4782817 (1988-11-01), Singh et al.
patent: 5676651 (1997-10-01), Larson et al.
patent: 6752602 (2004-06-01), Schulte Eistrup et al.
patent: 7125376 (2006-10-01), Viole et al.
Medtronic, Inc. (Bio-Pump® Plus Centrifugal Blood Pump Information), Jan. 1998.
CATS—Computation of Blood Flow in the Baylor Gyro Pump, 2000.

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