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Sterile assembly for protecting and fastening an indwelling device

  • US 4,392,853 A
  • Filed: 03/16/1981
  • Issued: 07/12/1983
  • Est. Priority Date: 03/16/1981
  • Status: Expired due to Fees
First Claim
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1. A sterile assembly for protecting an elongated indwelling device having a proximal end, for insertion in an incision in the human body, and a distal end, for connection to a medical device outside the human body, said assembly comprising:

  • an elongated, tubular sheath of sterile, impervious, limp, flexible, plastic substantially co-extensive in length with said indwelling device and having a proximal end and a distal end;

    an elongated, bell shaped dome of self-supporting plastic sealingly affixed to the proximal end of said sheath;

    said dome being shaped and dimensioned to cover said incision and keep the incision and indwelling device free of contamination with air and having an annular base flange with a skin contacting surface covered by a layer of adhesive adapted to be affixed around said incision, said surface normally covered by a removable strippable sheetand a hollow support tube of said self-supporting plastic, and of predetermined length, sealingly connected to the distal end of said sheath, said tube having an axial bore which tapers from its outer end in a progressively reduced diameter to its inner end for slidably fitting and sealing the conventional nub on said indwelling device.

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