3885251

Information

• Patent Grant
• 3885251

• References
• Source

• Patent Number

  3,885,251

• Date Filed

  Not available

• Date Issued

  Tuesday, May 27, 1975
  49 years ago

• CPC

  • A61M1/106 - using hydraulic or pneumatic means
  • A61M1/1041 - Linear
  • F02G1/043 - the engine being operated by expansion and contraction of a mass of working gas which is heated and colled in one of a plurality of constantly communicating expansible chambers
  • F04B43/113 - the actuating fluid being controlled by at least one valve
  • A61M1/12 - implantable into the body
  • F02G2280/005 - Medical applications

• US Classifications

  • 623 - Prosthesis
  • 128 - Surgery
  • 417 - Pumps