Abstract A dual chamber cover for hyperdermic needles to assure that they may not be reused and to prevent accidental pricking with a used needle. The first chamber serves to cover the needle initially prior to use. The second chamber which is inversely joined along its cylindrical walls to the first chamber has three reservoirs which contain respectively, a first component of a two component resin, a second component of the resin, and fiber filler. The reservoirs are separated by frangible disks. The second chamber is closed at one end and initially closed at the other end by a needle penetrable rubber disk. After a needle has been used, it is inserted through the rubber disk, through the first chamber and the first resin component, the first frangible disk, the second reservoir chamber and second resin component, the second frangible disk, and on into the third reservoir, mixing the resin components and fiber filler together which harden around the needle end to permanently prevent its reuse and accidental pricking.
A needle cover for use with hyperdermic syringes comprising a first chamber closed at one end and open at its second end, walls adjacent said second end of said chamber dimensioned and adapted to removeably and frictionally engage a needle base of said syringes; a second chamber closed at one end and initially closed at a second and wider end by a self-sealing needle penetrable rubber disk, a first reservoir defined by annular walls of said second chamber and said penetrable rubber disk and a first frangible disk spaced from said penetrable rubber disk; a second reservoir defined by said annular walls, said first frangible disk and a second frangible disk, spaced from said first frangible disk; and a third reservoir defined by said annular walls, said closed end and said second frangible disk, said first reservoir containing one component of a two component resin, said second reservoir containing a second component of said resin system, and said third reservoir containg fiber filler for said resin, said first and second chambers being joined inversely along their walls and with their longitudinal axii substantially parallel.
Claim 2
Dependent Claim
184 words
A needle cover for use with hyperdermic syringes comprising a first chamber closed at one end and open at its second end, walls adjacent said second end of said chamber dimensioned and adapted to removeably and frictionally engage a needle base of said syringes; a second chamber closed at one end and initially closed at a second and wider end by a self-sealing needle penetrable rubber disk, a first reservoir defined by annular walls of said second chamber and said penetrable rubber disk and a first frangible disk spaced from said penetrable rubber disk; a second reservoir defined by said annular walls, said first frangible disk and a second frangible disk, spaced from said first frangible disk; and a third reservoir defined by said annular walls, said closed end and said second frangible disk, said first reservoir containing one component of a two component resin, said second reservoir containing a second component of said resin system, and said third reservoir containg fiber filler for said resin, said first and second chambers being joined inversely along their walls and with their longitudinal axii substantially parallel.