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Arterial catheter means

  • US 4,705,507 A
  • Filed: 04/28/1986
  • Issued: 11/10/1987
  • Est. Priority Date: 05/02/1984
  • Status: Expired due to Term
First Claim
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1. An arterial catheter means for insertion into an arterial passage comprising:

  • a flexible, tube-like base member having an intermediate portion and a distal end portion;

    a first inflatable balloon means encircling said distal end portion of said base member;

    second inflatable balloon means encircling said intermediate portion;

    air passage means communicating with said first and second inflatable balloon means;

    blood flow passage means extending from said distal end portion to an intermediate portion of said base member between said first and second inflatable balloon means;

    a blood flow outlet formed in said base member between said first and second balloon means, said blood flow outlet communicating between said arterial passage and said blood flow passage; and

    self-actuating valve means operatively connected to the exterior of said base member for permitting blood to flow through said blood flow passage during systole while arresting flow during diastole.

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