3641591

Information

• Patent Grant
• 3641591

• References
• Source

• Patent Number

  3,641,591

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • A61M1/1037 - Pumps having flexible elements
  • A61M1/1075 - the pump membrane acting as inlet valve
  • A61M1/1089 - where the valve is formed by a flexible tube element which is clamped for restricting the flow
  • A61M1/1096 - Passive valves for blood pumps or artificial hearts
  • A61M1/106 - using hydraulic or pneumatic means
  • A61M1/12 - implantable into the body

• US Classifications

  • 623 - Prosthesis
  • 128 - Surgery