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Blood pump bearing system

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • F04B-035/04
출원번호 US-0664579 (1996-06-17)
발명자 / 주소
  • Aber Gregory S.
출원인 / 주소
  • The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
대리인 / 주소
    Barr
인용정보 피인용 횟수 : 39  인용 특허 : 20

초록

Methods and apparatus are provided for a blood pump bearing system within a pump housing to support long-term high-speed rotation of a rotor with an impeller blade having a plurality of individual magnets disposed thereon to provide a small radial air gap between the magnets and a stator of less tha

대표청구항

[ What is claimed is:] [1.] A blood-pump bearing system for rotatably supporting a rotor section that is rotatable with respect to a housing through which blood is pumped, said bearing system comprising:a shaft for rotatably supporting said rotor section, said shaft having a circumference defined by

이 특허에 인용된 특허 (20)

  1. Jarvik Robert (124 W. 60 St. New York NY 10023), Artificial hearts with permanent magnet bearings.
  2. Reich Sanford (St. Louis Park MN) Gates William H. (Fridley MN), Centrifugal blood pump for cardiac assist.
  3. Belenger Jacques (10 ; Rue Centrale 1248 Geneva CHX) Jeanjacquot Alain (74560 Monnetier-Mornex FRX), Centrifugal clinical blood pump.
  4. Moise John C. (Carmichael CA) Wampler Richard K. (Rancho Cordova CA) Butler Kenneth C. (Carmichael CA), Chronic ventricular assist system.
  5. Yamazaki Mutsuki (Yokohama JPX), Dynamic pressure air bearing.
  6. Kletschka Harold D. (1925 Noble Dr. Minneapolis MN 55422), Fluid pump with levitated impeller.
  7. Wampler Richard K. (Rancho Cordova CA), High-capacity intravascular blood pump utilizing percutaneous access.
  8. Isaacson, Milton S., Hydrodynamic bearing system for a brushless DC motor.
  9. Chardack William M. (547 Golfview Dr. Gulfstream FL 33444), Implantable blood pump.
  10. Taylor Lynn P. (Camino CA) le Blanc Pieter W. J. C. (Pollock Pines CA) Butler Kenneth C. (Carmichael CA) Maher Timothy R. (Orangevale CA), Implantable electric axial-flow blood pump.
  11. Maher Timothy R. ; Taylor Lynn P. ; le Blanc Pieter W. J. C. ; Butler Kenneth C., Implantable electric axial-flow blood pump with blood cooled bearing.
  12. Jarvik Robert K. (124 W. 60th St. New York NY 10023), Intraventricular artificial hearts and methods of their surgical implantation and use.
  13. Bramm Gnter (Munich DEX) Novak Pavel (Munich DEX), Magnetic rotor bearing.
  14. Olsen Don B. (8832 Blue Jay La. Salt Lake City UT 84121) Bramm Gnter (Luisen Str. 49 8000 Munich 2 DEX) Novak Pavel (Grres Str. 2 D-8000-Munich 40 DEX), Magnetically suspended and rotated impellor pump apparatus and method.
  15. Bramm Gunter W. (Luisen Strasse 49 8000 Munchen 2 UT DEX) Olsen Don B. (8832 Blue Jay La. Salt Lake City UT 84121), Magnetically suspended and rotated rotor.
  16. Moise John C. (Carmichael CA), Magnetically suspended rotor axial flow blood pump.
  17. Carriker John W. (Gold River CA) Wampler Richard K. (Gold River CA), Percutaneous axial flow blood pump.
  18. Wampler Richard K. (Gold River CA), Percutaneous bloom pump with mixed-flow output.
  19. Golding Leonard A. R. (Moreland Hills OH) Smith William A. (Lyndhurst OH) Wade Warren F. (Orange Village OH), Sealless heart pump.
  20. Wampler Richard K. (Gold River CA) Carriker John W. (Gold River CA) Butler Kenneth C. (Carmichael CA) Moise John C. (Carmichael CA), Single-stage axial flow blood pump.

이 특허를 인용한 특허 (39)

  1. Jarvik Robert, Axial force null position magnetic bearing and rotary blood pumps which use them.
  2. Foster, Graham, Bearing for a cardiac pump.
  3. Smith, William A.; Lorenz, Markus; Dudzinski, David; Chen, Hsiang Ming; Chapman, Jr., Peter A.; Prisco, Charles J.; Vitale, Nicholas G.; Weber, Stephan, Blood pump.
  4. Smith, William A.; Lorenz, Markus; Dudzinski, David; Chen, Hsiang Ming; Chapman, Jr., Peter A.; Prisco, Charles J.; Vitale, Nicholas G.; Weber, Stephan, Blood pump.
  5. Smith, William; Lorenz, Markus; Dudzinski, David; Chen, Hsiang Ming; Chapman, Jr., Peter A.; Prisco, Charles J.; Vitale, Nicholas G.; Weber, Stephan, Blood pump.
  6. Aber Gregory S., Blood pump bearing system.
  7. Antaki James F. ; Paden Bradley ; Burgreen Gregory ; Groom Nelson J., Blood pump having a magnetically suspended rotor.
  8. James F. Antaki ; Bradley Paden ; Gregory Burgreen ; Nelson J. Groom, Blood pump having a magnetically suspended rotor.
  9. Franano, F. Nicholas; Loree, II, Howard M.; Tansley, Geoff; Woodard, Steve; Hutto, Barrett, Blood pump systems and methods.
  10. Franano, F. Nicholas; Loree, II, Howard M.; Tansley, Geoff; Woodard, Steve; Hutto, Barrett, Blood pump systems and methods.
  11. Franano, F. Nicholas; Loree, II, Howard M.; Tansley, Geoff; Woodard, Steve; Hutto, Barrett, Blood pump systems and methods.
  12. Hodges, William V., Cantilevered rotor pump and methods for axial flow blood pumping.
  13. Nusser, Peter; Muller, Johannes; Peters, Hans-Erhard; Buske, Norbert; Neumann, Werner; Graichen, Kurt; Kauffeldt, Conrad, Device for the axial transport of fluid media.
  14. Campbell, Robert; Hassan, Dana John; Misner, James Joseph; Proctor, Russell Clint, Electric motor and method for reducing end play.
  15. Campbell, Robert; Misner, James Joseph; Proctor, Russell Clint, Electric motor and method for reducing end play.
  16. DePaoli,Michael, Electric turbine.
  17. Hendricks, Gregory, Facetted jewel bearings.
  18. Jacobson, James D.; Bui, Tuan; Garchow, Stephen R.; Yardimci, Atif; Slepicka, James S., Fluid delivery system and flow control therefor.
  19. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  20. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  21. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  22. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  23. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  24. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  25. Aboul-Hosn, Walid N.; Kanz, William R.; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  26. Aboul-Hosn, Walid N; Kanz, William R; Baker, Bruce A., Guidable intravascular blood pump and related methods.
  27. Kumano, Koko, Impeller shaft to bearing interface for centrifugal blood pump.
  28. Kumano, Koko, Impeller shaft to bearing interface for centrifugal blood pump.
  29. Graham, William C.; Swain, Frederick D.; Williams, Anthony; Lynch, Bryan E.; Ford, Rodger G.; Saxena, Sailesh, Implantable blood pump.
  30. Aber Gregory S., Method for providing a jewel bearing for supporting a pump rotor shaft.
  31. Nose,Yukihiko; Shinohara,Toshiyuki; Kosaka,Ryo; Sumikura,Hirohito, Methods and apparatus for controlling a continuous flow rotary blood pump.
  32. Alexandre N. Terentiev, Pumping or mixing system using a levitating magnetic element.
  33. Terentiev, Alexandre N., Pumping or mixing system using a levitating magnetic element, related system components, and related methods.
  34. Kobayashi, Sukeyuki; Sincox, III, Frank Leslie; Hext, III, Richard George, Screw pump and impeller fan assemblies and method of operating.
  35. Terentiev, Alexandre N., Set-up kit for a pumping or mixing system using a levitating magnetic element.
  36. Franano, F. Nicholas, System and method to increase the overall diameter of veins and arteries.
  37. Arnold Escano, Torque absorbing catheter.
  38. Bulent, Oran; Omer Faruk, Oran; Elif Oran, Avci, Trans arterial permanent heart assist device with double stators.
  39. Nunez, Anthony, Wireless compressible heart pump.
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