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Catheter having valve mechanism

  • US 5,807,349 A
  • Filed: 03/10/1997
  • Issued: 09/15/1998
  • Est. Priority Date: 03/10/1997
  • Status: Expired due to Term
First Claim
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1. A catheter comprising:

  • an elongated, flexible tube having an open end and a closed end and being constructed of surgical grade material, the tube having an outer surface and a lumen extending the length of the tube so as to define an inner surface, the inner and outer surfaces defining a wall of the tube;

    a portion of the tube having a reduced thickness with respect to the remainder of the tube; and

    at least one valve positioned exclusively within the portion of reduced thickness so as to communicate the lumen with an exterior of the tube, the valve being oriented in a plane which is at an angle to a longitudinal axis of the tube.

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