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Medical valve with positive flow characteristics

  • US 20060212006A1
  • Filed: 05/03/2006
  • Published: 09/21/2006
  • Est. Priority Date: 12/16/1996
  • Status: Abandoned Application
First Claim
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1. A medical valve for controlling the flow of fluid between a first medical implement and a second medical implement, said valve comprising a housing having a passage configured for communication with a second medical implement and an opening adapted to receive the first medical implement, a rigid piston positioned within the housing and movable between a first position in which fluid flow is impeded through the housing and a second position in which fluid flow through the housing is facilitated, the passage including a fluid space which automatically and reversibly increases in size when the first medical implement is connected to the valve and which contracts in size when the first medical implement is disconnected to generate a positive flow of fluid in the direction of the second medical implement, the piston further including two o-rings.

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