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Telescoping members for catheter introducer assembly

  • US 5,688,249 A
  • Filed: 03/28/1995
  • Issued: 11/18/1997
  • Est. Priority Date: 03/28/1995
  • Status: Expired due to Fees
First Claim
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1. A catheter introducer assembly comprising:

  • a) a body;

    b) a cannula having a sharpened tip extending from said body;

    c) a pair of telescoping members received in sliding engagement in an opening defined by a portion of said body;

    d) a tip protector extending from a first of said telescoping members for covering said sharpened tip after introduction of a catheter;

    e) first latch means for latching a second of said telescoping members in a position extending from said body when said second member is moved from a retracted position to a position extending from said body; and

    ,f) second latch means for latching said first member in a position extending from said second member when said first member is moved from a first retracted position to a second position extending from said second member;

    said first latch means comprises at least one resilient arm on one of said body or said second member; and

    g) at least one pawl on said arm and at least one slot positioned opposite said arm such that when said second member moves to said position extending from said body said resilient arm biases said pawl into latched engagement with said slot.

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