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Syringe device comprising a syringe body and a bearing sleeve

  • US 9,220,848 B2
  • Filed: 10/22/2008
  • Issued: 12/29/2015
  • Est. Priority Date: 10/23/2007
  • Status: Active Grant
First Claim
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1. A syringe device comprising:

  • a syringe body (10;

    10

    ;

    10

    ) having a central axis (A), a radially extending syringe flange (14, 14

    ) at a proximal end of the syringe body and a needle proximate a distal end of the syringe body,a bearing sleeve (18) receiving the syringe body therein, the sleeve having at least one holding lug (22) co-operating with the syringe body at a proximal end (10A, 10

    A, 10

    A) of the syringe body, in order to hold the said body in relation to the sleeve, andan uneven wedging surface (42;

    42

    ;

    42

    ) having alternating radially extending recessed portions (42B;

    42

    B;

    42

    B), formed by indentations extending in a direction of the central axis (A), and radially extending raised portions (42A;

    42

    A;

    42

    A), formed by ribs extending in the direction of the central axis (A), the recessed and raised portions alternating in a circumferential direction,wherein;

    a distal surface of the wedging surface cooperatively abuts a proximal surface of the syringe flange and the at least one holding lug (22) is insertable in at least one of the recessed portions to prevent rotation of the syringe body (10;

    10

    ) relative to the bearing sleeve (18).

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