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http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61M2205-8243 |
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| filingDate |
1999-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2000-05-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_69474ec29b2cf552183db6c16f7de815
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http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_adaeb6d3eaebdfdad35b4083e1c0d24d
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a753da3f96fb5a6687d7a688b142ed02
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| publicationDate |
2000-05-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-6066085-A |
| titleOfInvention |
Single chamber blood pump |
| abstract |
A blood pump apparatus can include a pump housing having a drive chamber containing a drive mechanism. A cupped member can be connected to the housing and the drive mechanism can include a motor for rotating an eccentric shaft. A pumping arm can be provided having one end riding on the eccentric shaft, an intermediate portion pivotably attached to the housing and another end connected to a movable plate. A roller bearing can be mounted on the eccentric shaft on which the arm can ride. A compressible blood chamber having an inlet and an outlet connected can be provided sandwiched between the cupped portion and the movable plate. The motor thus rotates the cam causing the pumping arm to pivot which cycles the movable plate against the blood chamber to pump blood. The movable plate can be implanted adjacent a lung such that the lung moves with the plate as blood is pumped and thereby functions as a compliance chamber. A speed reducer can be provided between the motor and the eccentric shaft. A hermetically sealing bellows can be provided to seal the drive chamber and the end of the pumping arm from body fluids. An enclosure bag can be provided surrounding all or a portion of the blood pump to provide a tissue friendly surface and to prevent tissue from becoming caught in the moving parts of the blood pump. A position sensor can be included for determining a volume of blood in the chamber for use by an electronic controller to control the speed of the motor to optimize pumping action. |
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http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2005148810-A1
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| priorityDate |
1998-01-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
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http://data.epo.org/linked-data/def/patent/Publication |