Patent ID: 6397843
Filing Date: 2002-06-04
Classification: A61H,A61M

Abstract:
An electrical and manual pressing device of automatic air blowing for first-aid cardiopulmonary resuscitation, comprising:a) a press unit including: a fixing plate with a central through hole and a plurality of air holes, the fixing plate having a first bar, and a support around a central hole; a lever handle with two extending arms at an end, said two arms having free ends attached to a first link, said first link pivotally engaging the first bar; two fly wheels located on said two arms, a spindle passing through said two arms respectively; and two crank shafts, each of said crank shafts having first and second ends, said first ends pivotally connecting with said spindle; and a press head with first and second ends, the first end pivotally connecting with the second ends of said crank shafts via a second link, and including a retaining piece with a recess section thereon respectively; b) a storage unit including: an air storage cylinder with a top and a bottom, and being provided with a resilient body, said top engaging a top plate thereon, said top plate at a lower edge thereof fixing said resilient body at an upper edge thereof, said top plate having an air opening in communication with said air holes on the fixing plate and said resilient body, said bottom having a first air valve for admitting air; a flexible air pump with a bottom part, and being in airtight engagement with the bottom of said air storage cylinder, said bottom part having a second air valve, and fixedly connecting with said press head; c) a control unit placed below said flexible air pump, and including: a receiving cylinder with a bottom; an air pipe with two ends, the air pipe being made of hard material and disposed in said receiving cylinder in contact with the recess section on said press head, one of the two ends extending into said air storage cylinder and fixed to said air storage cylinder at the bottom thereof, the other one of the two ends fixed to the bottom of the receiving cylinder; an air control valve disposed in said receiving cylinder, and communicating with said air pipe via a first branch pipe; an outlet head disposed on said receiving cylinder, and communicating with said air control valve via a second branch pipe; and a gear located aside said air control valve and pivotally connecting with said air control valve, the gear resisting a reverse rotation by a lock band and rotated forward by way of the retaining piece on said press head; d) a tying unit located under said control unit; e) a sucking disk, engaging with the second end of said press head and adapted to be pressed against a patient's heart; f) an air passage pipe with first and second ends, the first end connecting with an outlet; and g) a mouth-nose breather, connected to the second end of said air passage pipe; wherein, said fixing plate, said top plate, said resilient body, said air storage cylinder, said flexible air pump, said receiving cylinder, and said tying unit have through holes at a lateral side thereof respectively engaged by a plurality of threaded rods and fastened by screws and nuts, and with a central hole respectively to be passed by said press head.