3811800

Information

• Patent Grant
• 3811800

• References
• Source

• Patent Number

  3,811,800

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1974
  50 years ago

• CPC

  • F04B43/113 - the actuating fluid being controlled by at least one valve
  • A61M1/1041 - Linear
  • A61M1/106 - using hydraulic or pneumatic means
  • A61M1/1062 - with application of vacuum at the blood pump
  • A61M1/1065 - Diastole or systole switching by valve means between the blood pump and the hydraulic or pneumatic energy source
  • A61M1/30 - Reciprocating systems, alternately withdrawing blood from and returning it to the patient
  • A61M1/302 - having a reservoir for withdrawn untreated blood
  • A61M1/307 - Time control
  • F04B7/0275 - and being deformable

• US Classifications

  • 417 - Pumps
  • 604 - Surgery