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Ambulatory infusion system with spring-pressurized reservoir

  • US 5,248,300 A
  • Filed: 12/16/1991
  • Issued: 09/28/1993
  • Est. Priority Date: 12/16/1991
  • Status: Expired due to Fees
First Claim
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1. An ambulatory infusion system, comprising:

  • a flexible liquid container for retaining a liquid for administration to a patient, said container including a flow port through which liquid is administered; and

    means for pressurizing said liquid container comprising a pair of cooperating platen means between inner surfaces of which said liquid container is removably positionable, and means for biasing said platen means toward each other for effecting pressurization of liquid in said container,each of said platen means including opening means configured for removably cooperating with an associated opening means which effects separation of said platen means away from each other to facilitate replacement of said liquid container between said platen means, andremovable spacer means positionable to maintain said platen means in spaced apart relationship prior to use of said infusion system, said spacer means being removable for effecting pressurization of liquid in said container by said biasing means acting on said platen means.

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