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Portable resuscitation apparatus

  • US 4,297,999 A
  • Filed: 07/19/1979
  • Issued: 11/03/1981
  • Est. Priority Date: 07/19/1979
  • Status: Expired due to Term
First Claim
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1. A portable resuscitation apparatus, comprising,a portable support means having top and bottom portions,a support member extending upwardly from said support means adapted to support the patient'"'"'s neck to position the patient'"'"'s head for resuscitation,a manually operated air supply means mounted on said support means,a flexible mask means having an air inlet supply base extending therefrom which is in operative communication with said air supply means,and connector means for detachably connecting said mask means to the patient'"'"'s face and to maintain the patient on said support member,said air supply means comprising a flexible bellows pump mounted on said support means,said support means having a first air passageway formed therein which is in communication with said pump, said base being in communication with said air passageway whereby compression of said flexible bellows pump will supply air to said mask means,said bellows pump being movable between compressed and extended positions, a spring means in said bellows pump for yieldably resisting the compression of said bellows pump and for moving said bellows pump from its compressed position to its extended position,said spring means being of the two-stage type so that said spring means will yieldably resist, at a first predetermined rate, the compression of said bellows pump during a predetermined initial portion of its compression stroke and will yieldably resist, at a rate greater than said first predetermined rate, during a predetermined portion of its compression stroke after said initial portion.

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