PUMPS CAPABLE OF USE AS HEART PUMPS

• US 3,487,784 A
• Filed: 10/26/1967
• Issued: 01/06/1970
• Est. Priority Date: 10/26/1967
• Status: Expired due to Term

• Current Assignee: Harold D. Kletschka, Rafferty Edson Howard
• Original Assignee: Harold D. Kletschka, Rafferty Edson Howard
• Inventors: RAFFERTY EDSON HOWARD, Kletschka, Harold D.
• Application Number:
  US04/678,265
• Time in Patent Office: 803 Days
• US Class Current: 415/119
• CPC Class Codes: A61M 60/117 for assisting the heart, e.g. transcutaneous or external ventricular assist devices
• CPC Class Codes: A61M 60/148 in line with a blood vessel using resection or like techniques, e.g. permanent endovascular heart assist devices
• CPC Class Codes: A61M 60/165 implantable in, on, or around the heart
• CPC Class Codes: A61M 60/196 replacing the entire heart, e.g. total artificial hearts [TAH]
• CPC Class Codes: A61M 60/232 Centrifugal pumps
• CPC Class Codes: A61M 60/416 transmitted directly by the motor rotor drive shaft
• CPC Class Codes: A61M 60/422 the force acting on the blood contacting member being electromagnetic, e.g. using canned motor pumps
• CPC Class Codes: A61M 60/806 Vanes or blades
• CPC Class Codes: A61M 60/814 Volutes
• CPC Class Codes: A61M 60/816 Sensors arranged on or in the housing, e.g. ultrasound flow sensors
• CPC Class Codes: A61M 60/825 Contact bearings, e.g. ball-and-cup or pivot bearings
• CPC Class Codes: A61M 60/827 Sealings between moving parts
• CPC Class Codes: A61M 60/876 Implantable batteries
• CPC Class Codes: F04D 1/06 Multi-stage pumps F04D1/02, F04D13/10 take precedence
• CPC Class Codes: F04D 5/001 Shear force pumps
• CPC Class Codes: F05B 2200/15 Inverse
• CPC Class Codes: Y10S 415/90 Rotary blood pump

Claims