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Medicament dispenser with magneto-rheological fluid actuator

  • US 7,467,629 B2
  • Filed: 12/18/2002
  • Issued: 12/23/2008
  • Est. Priority Date: 12/19/2001
  • Status: Expired due to Fees
First Claim
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1. A medicament dispenser comprising:

  • a body,a medicament container for containing medicament in said dispenser for movement from a non-dispensing state, in which medicament is not dispensed from said container, to a dispensing state, in which medicament is dispensed from said container, anda magneto-rheological fluid actuator for moving said container from its non-dispensing state to its dispensing state, wherein said actuator comprises magneto-rheological fluid which is transformable from a solidified state to a liquid flowable state by a source of magnetic radiation, and wherein said actuator is adapted to move said container from its non-dispensing state to its dispensing state in response to said magneto-rheological fluid transforming from its solidified state to its liquid flowable state.

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