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Hemostatis valve

  • US 5,000,745 A
  • Filed: 11/18/1988
  • Issued: 03/19/1991
  • Est. Priority Date: 11/18/1988
  • Status: Expired due to Fees
First Claim
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1. In a hemostasis valve, the improvement comprising:

  • a first planar elastic membrane having a circular hole disposed therein;

    a second planar elastic membrane having a circular hole with a diameter smaller than said circular hole in said first elastic membrane, said second elastic membrane further comprising at least one slit which intersects said smaller hole, said slit aligned in a single plane extending through said elastic membrane; and

    a third planar elastic membrane with no hole having at least one slit therein.

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