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Parenteral solution delivery control system

  • US 4,533,350 A
  • Filed: 05/10/1983
  • Issued: 08/06/1985
  • Est. Priority Date: 05/10/1983
  • Status: Expired due to Fees
First Claim
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1. A parenteral solution delivery control system comprising a housing having a vertical support surface means in a recess defining a drip chamber zone, a bar means pivotally connected to the housing, the bar means being spring biased and positioned to swing toward the support surface means about an axis parallel to the axis of a drip chamber positioned against the vertical support surface means to contact the external surface of such a drip chamber, and when no drip chamber is in the recess, to swing into the drip chamber zone, said bar means including a deflector means for blocking a light path between a light source and a light detector through said drip chamber zone when the bar swings into the drip chamber zone.

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