| Patent Number |
Title Of Patent |
Date Issued |
| 6592620 |
Power system for an implantable heart pump |
July 15, 2003 |
| A power system for an implantable heart pump is provided. The system includes two batteries, a microprocessor controller, two motor drivers, a multiplexer, two stators and a TET coil. During normal operation, only one battery and one motor driver are in use at a time to drive both stator |
| 6368083 |
Sealless rotary blood pump |
April 9, 2002 |
| An implantable rotary sealless blood pump includes a housing having an inlet tube on one end and an impeller casing on the other end. A rotor is mounted for rotation within the housing, with the rotor having an elongated shaft portion and an impeller attached to the shaft portion. The |
| 6264635 |
Active magnetic bearing system for blood pump |
July 24, 2001 |
| An implantable rotary blood pump including a rotor mounted for rotation within a pump housing. The rotor has a shaft portion and an impeller carried by the shaft portion. A rotor motor is provided, with the motor including a plurality of permanent magnets carried by the impeller and |
| 6234998 |
Sealless rotary blood pump |
May 22, 2001 |
| A implantable rotary sealless blood pump is provided. The pump includes a housing having an inlet tube on one end and an impeller casing on the other end. A rotor is mounted for rotation within the housing, with the rotor having an elongated shaft portion and an impeller attached to the |
| 6234772 |
Rotary blood pump |
May 22, 2001 |
| An implantable rotary sealless blood pump is provided. The pump can include hydrodynamic, magnetic and hybrid, hydrodynamic/magnetic bearings and combinations thereof. The rotor can include a shaft or the pump can be made shaftless. Close clearances may be maintained between the housing |
| 6217541 |
Blood pump using cross-flow principles |
April 17, 2001 |
| A blood pump is provided which comprises a cross-flow pump head having an elongated generally cylindrical housing portion. The housing portion defines a blood inlet port on a surface thereof and a blood outlet port on an opposite surface thereof. An impeller within the housing portion |
| 6158984 |
Rotary blood pump with ceramic members |
December 12, 2000 |
| An implantable rotary blood pump including a rotor mounted for rotation within a pump housing. The rotor has a shaft portion and an impeller carried by the shaft portion. A rotor motor is provided, with a motor including a plurality of permanent magnets carried by the impeller and mo |
| 6149683 |
Power system for an implantable heart pump |
November 21, 2000 |
| A power system for an implantable heart pump is provided. The system includes two batteries, a microprocessor controller, two motor drivers, a multiplexer, two stators and a TET coil. During normal operation, only one battery and one motor driver are in use at a time to drive both stator |
| 6120537 |
Sealless blood pump with means for avoiding thrombus formation |
September 19, 2000 |
| A blood pump comprising: a pump housing, and a rotor mounted for rotation within the housing. The rotor has a rotational axis and an attached impeller. The blood pump has a blood flow path that passes about the rotor, with the rotor having a peripheral edge surrounding an end face. T |
| 6080133 |
Sealless rotary blood pump |
June 27, 2000 |
| An implantable rotary sealless blood pump is provided. The pump includes a housing having an inlet tube on one end and an impeller casing on the other end. A rotor is mounted for rotation within the housing, with the rotor having an elongated shaft portion and an impeller attached to the |
| 5840070 |
Sealless rotary blood pump |
November 24, 1998 |
| An implantable rotary sealless blood pump is provided. The pump includes a housing having an inlet tube on one end and an impeller casing on the other end. A rotor is mounted for rotation within the housing, with the rotor having an elongated shaft portion and an impeller attached to the |
