ARTIFICIAL RESPIRATION APPARATUS Russian patent published in 2005 - IPC

FIELD: medicine; artificial respiration apparatuses.

SUBSTANCE: apparatus has support, actuating mechanism and drive. Support is made in form of frame provided with rigid wheels, four bosses provided hole and placed in pairs in opposite and symmetrically to longitudinal axis extendable bed onto solid rollers; bed is provided with head support and lock. Actuating mechanism is mounted onto top part of frame and has four guides having smooth part inserted into hole of bosses, four elastic elements put onto smooth parts of guides, breast cuff placed among guides, arm with ears which has bushings to be housed onto threaded part of guides, working tool placed above breast cuff. Working tool is made of disc provided with axis which has ends to be embedded into rollers of ears of the arm. Apparatus also has aid for influencing breast cuff which aid is fixed onto disc for movement relatively the axis. Breast cuff has elastic sheet made in form of rectangle provided with bushings at the angles, solid plank fastened in the middle of the sheet, two cords which have first ends to fasten to opposite side faces. Drive has electric motor, redactor provided with speed gear-box, coupling and chain gear with bridle. Elastic elements are made in form of coil cylindrical or conical springs. Aid for influencing breast cuff has Π-shaped groove in the middle and slot at side surfaces. Slot has length determined by ratio of Λ=2D, where Λ is length of slot and D is diameter of disc. Width of slot allows moving axes and screws inside it.

EFFECT: simplified kinematical design of apparatus.

11 dwg