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Liquid delivery device and method of use thereof

  • US 6,758,837 B2
  • Filed: 02/07/2002
  • Issued: 07/06/2004
  • Est. Priority Date: 02/08/2001
  • Status: Expired due to Fees
First Claim
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1. A device for ejecting a liquid stream towards an eye, the stream moving from a proximal position towards a distal position, the device comprising a) a housing, b) a container for the liquid, c) at least one opening arranged for ejection of the stream and being in fluid communication with the container, d) a pump mechanism operable to deliver at least part of the liquid from the container through the opening to form the stream, e) an eyecup with a contact surface arranged for contact with the eye or its facial surroundings, wherein the eyecup is arranged movable with respect to the opening or housing between at least two positions comprising i) an active position with said eyecup contact surface at a defined safety distance to the opening, and ii) a rest position with the eyecup contact surface at a position more proximal than in the active position, and f) a sensor adapted to allow discrimination between the positions.

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