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Apparatus for supplying medication to the human or animal body

  • US 4,217,894 A
  • Filed: 05/04/1978
  • Issued: 08/19/1980
  • Est. Priority Date: 05/13/1977
  • Status: Expired due to Term
First Claim
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1. Apparatus for the infusion of medical fluids into the human or animal body, comprising in combination:

  • a storage receptacle having reservoir means providing a reservoir (5,

         18) with a fluid inlet (8,

         23) providing a fluid passage leading to said reservoir (5,

         18) and with a discharge port (12,

         27) providing a fluid passage leading from said reservoir (5,

         15),a solid medication (9,

         24) disposed in said reservoir (5,

         18) such that the fluid inlet (8,

         23) provides a fluid passage in fluid communication with said solid medication,a conveyance and dosing unit in fluid communication with said fluid inlet (8,

         23) comprising supplying means for the supply of a solvent to said solid medication (9,

         24) via the fluid passage provided by said fluid inlet such that the solvent progressively dissolves the solid medication to form a medical fluid in the vicinity of said solid medication in said reservoir,said storage receptacle being constructed to accommodate supply of said medical fluid so formed in said reservoir (5,

         15), to said discharge port (12,

         27), while retaining in said reservoir undissolved portions of said solid medication, andsaid conveyance and dosing unit being operable to control the dose of said medical fluid supplied to said discharge port by controlling the transport of solvent to said reservoir whereby in the storage receptacle the amount of solid medication dissolved per dose of medical fluid corresponds to a desired dosing schedule.

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