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US 5,147,186 AGranted
Blood pump drive system
AssigneeBio-Medicus, Inc.
InventorDwight A. Buckholtz
Life of this patent
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Abstract
Perfusion pump driver apparatus for coupling motive power from a controller console to the rotator of perfusion pump. The coupler has a console adapter to connect the coupler apparatus to the pump control console. A pump receptacle is provided in the coupler to connect the pump to the driver. A power transfer mechanism consisting of a bushing and flexible shaft is provided in the coupler to adapt the control console characteristics to the pump characteristics.
Claims1
Apparatus for pumping blood, comprising:
- a pump controller console having a motor and having a pump receiver;
- said pump receiver including detent means for securing flanges and an annular recess for retaining flanges;
- kinetic pump means for imparting kinetic energy to said blood;
- said pump means including rotator means for increasing the angular velocity of said blood;
- drive magnet means embedded in said rotator means adapted for coupling energy to said rotator;
- coupler means for interconnecting said kinetic pump to said console;
- said coupler means including a pump receptacle and a console adapter, the console adapter comprising an annular housing 76 having, a peripheral flange 64 to mate with said annular recess on said console pump receiver 14 and having a recessed slot 66 to engage said detent on said console pump receiver;
- power transfer means having a bushing 74 for coupling to a flexible shaft 58 located in said annular housing 76 and having coupling means 72 for connection to said motor.
5 more elements
Dependencies are inferred from the claim text.