A - Human Necessities – 61 – F
Patent
A - Human Necessities
61
F
A61F 2/46 (2006.01) A61B 17/88 (2006.01) B01F 5/12 (2006.01) B01F 11/00 (2006.01) B01F 13/00 (2006.01) B01F 15/02 (2006.01) B01F 3/18 (2006.01)
Patent
CA 2481663
A device for the storage, mixing and discharge of liquid and pulverulent materials for medical use has a mixing cylinder, a perforated mixing plunger, which is axially and rotatably movable in the mixing cylinder by means of an actuation rod, an axially displaceable discharge plunger, a sealable discharge aperture in the mixing cylinder and means for actuation of the discharge plunger. The discharge plunger has in its interior a sealable storage chamber for the accommodation of one of the materials to be mixed, so that pre- packaged amounts of the materials to be mixed can be introduced separately into the device, even without packaging, and stored over an extended period. The discharge plunger engages with the mixing cylinder via an actuation thread, so that rotation of the discharge plunger relative to the mixing cylinder enables discharge of the mixed materials. To this end, the mixing cylinder has an external thread, which engages with an internal thread of the hollow cylinder partly surrounding the mixing cylinder, the hollow cylinder having handling elements and being rigidly connected to the discharge plunger.
Nagaraj Hutchappa Nandeesh
Nies Berthold
Biomet Deutschland Gmbh
Fetherstonhaugh & Co.
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