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Assembly of needle and protector

  • US 4,832,696 A
  • Filed: 11/02/1987
  • Issued: 05/23/1989
  • Est. Priority Date: 03/05/1987
  • Status: Expired due to Term
First Claim
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1. An assembly of a needle and protector therefor, comprising:

  • a. an elongate housing having sidewalls, and a first part of a detent means defined thereon;

    b. a needle connected to the housing and projecting outwardly beyond one end of said housing;

    c. a needle guard slidably connecting with the housing, the needle guard having a pull tab at its forward end, and including a second part of said detent means, the needle guard providing at its forward end a hub support defining a bore therein;

    d. a luer-type hub and catheter mounted on the hub support, the needle being aligned within the hub support, hub and catheter, and projecting through the catheter to expose a tip thereof;

    e. whereby,i. following insertion of the needle andcatheter into a patient, the housing and attached needle are adapted to be retracted from the patient, and the needle is adapted to be retracted into the needle guard thereby enabling the sidewalls of the housing to slide in relation to the needle guard until the first and second parts of the detent means are aligned and lock together, the needle guard being sized to completely enclose the needle upon locking with the housing;

    ii. the hub and catheter remain with the patient;

    iii. the housing and enclosed needle are separated from the hub, catheter and patient.

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