×

Subcutaneous injection set with improved cannula mounting arrangement

  • US 5,176,662 A
  • Filed: 08/23/1990
  • Issued: 01/05/1993
  • Est. Priority Date: 08/23/1990
  • Status: Expired due to Term
First Claim
Patent Images

1. A subcutaneous injection set, comprising:

  • a one piece housing defining an internal chamber adapted to receive a selected infusion fluid, and further defining a generally cylindrical support hub having an outlet bore formed therein and a generally annular seat surrounding said outlet bore at an upstream end thereof within said chamber;

    a cannula having a base end defining a radially outwardly extending flange, said cannula being received within said outlet bore with said flange generally overlying said annular seat, said cannula protruding outwardly from said housing;

    sealing means interposed between said flange and said annular seat; and

    a radially inwardly extending annular lock rim swaged in the interior of said housing and overlying at least a portion of said flange to retain said flange in a position relative to said seat to compress said sealing means.

View all claims
  • 8 Assignments
Timeline View
Assignment View
    ×
    ×