RESUSCITATION APPARATUS FOR other end. With this handle the lever and the piston can
SIMULTANEOUS CARDIAC MASSAGE AND be reciprocated vertically.
ARTIFICIAL RESPIRATION The lower piston rod slides vertically and in fluidtight manner in the lower closure of the cylinder and is
The present invention concerns an emergency resus- 5 provided at its lower end with a rubber-based plunger
citation device, providing for simultaneous cardiac for application to the chest of the patient,
massage and artificial respiration at the site of the The upper end of the cylinder is provided with an air
emergency. inlet valve and a nozzle linked by a pipe to a rubber air
After an accident, drowning, suffocation, electrocu- reservoir balloon, the assembly thus constituting an air
tion or heart attack, current techniques call for cardiac 10 pump.
massage or artificial respiration by the mouth-to-mouth The lower end of the cylinder is provided with an air
(kiss of life) method or by pneumatic pumping; the two outlet valve and a nozzle linked by a pipe to a bellows
processes are carried out successively or simulta- ma(je of a flexible synthetic material, the assembly
neously, and necessarily for short periods. Two quali- forming a vacuum pump.
fied persons are required for the application of these 15 The ajr reservoir balloon is connected by a pipe to a methods, and to obtain a real efficiency their efforts vaive on the handle of the iever while the bellows is must be synchronized and conjugated. The cardiac connected by another pipe to a vomit suction valve, massage is of course an external one effected by press- By means of T-pieces, the pipes connecting the cylining of the chest wall vigourously and at a rate of 60 to der to the bailoon and the bellows are connected to a 70 times per minute, so as to compress the heart. These 20 three.way valve on the cr0sspiece, allowing the conoperations can last for half an hour or more, observing nectjon tQ atmosphere of one or other of these ele. as closely as possible the correct rhythm. This emer- ... SQ tti the correSp0nding pump out of sergency treatment is thus difficult and exhausting, requir- vjce
ing prolonged effort and occasionally involving blows The va,ve Qn the ,eyer has an out]et for receivi a
which are to be avoided m the case of card.ac massage, 25 ^ ... tQ & face.maski by means of a quick re.
which must be gentle ju. .., c u . lease joint, for pumping air to the patient.
If the patient has suffered the initial stages of asphyxi- The oMet of ^ ... js ... fe a jck ...
ation by gas or liquid, respiratory movements and ■ . »t „ ■ ,» ■ .. , ... „
. 3 % . . n '. r J, . , , joint to a pipe attached to a pistol with a manually conpumping of air into the lungs must be simultaneously . , , . .. c .. , c, , ^ j ,6„ . . „ . J ,ft trolled valve for suction of vomit, by means of the belprovided, at a given rate and for a given period of time. ■3U , . ,. , , . , , . it_ it_ iL ,,,, . 6\ , • j: u lows, the pistol being placed m the mouth of the paWhen resuscitation must be carried out urgently, the tient r <=> r r
mouth-to-mouth method is indicated, but it is difficult .' . . ,,, , , . .. . , . _
, , . , , it . , . In the piping of the tace-mask is situated a safety
and unpleasant, both as regards the time required and , "1 , . . . ,
iU , . .. ... „° r., , _ , valve set for a determined excessive air pressure, and
the synchronisation with the massage of the heart and , . ... . _ ". , .
tU cc . ■ , . rL - « on the pipe circuit for suction of vomit is placed a
the effort required to overcome the repugnance of J;I r
contact with a mouth which may be filled with vomit. vomlt reservoir.
Various devices are known, based on the principle of A m°vable, Panel «f synthetic ^atenal is placed be
a plunger moved mechanically or pneumatically for tween the columns. The head and chest of the patient
carrying out the massage. Some use a pressurised liquid bem8,flxed to this Pane1' moment °f the panel allows acting on the plunger and serving for the direction of 40 the P,unger to be S!tuated P««sely at the base of the
air into the lungs. These devices are mechanically com- sternum of the patient.
plicated, however, and comprise a bulky power source. The handle of the lever 18 adjustable and dynamom
They do not provide for synchronisation of the resusci- etlc> so that the force aPPlled to tne chest bV the
tation processes plunger can be adjusted to the size of the rib cage and
To reduce these disadvantages, the present invention 45 the a8e of the Patient'to avoid possible fracture of the
provides a very light and self-contained device which n",s
allows the resuscitation processes to be safely com- A characteristic of the present invention is to provide
bined by a single person, even if inexperienced. A lever resuscitation apparatus for first aid to victims of heart
linked to a double-acting piston and cylinder arrange- attacks, suffocation, accidents, drowning, electrocu
ment allows cardiac massage, pumping of air into the 50 tion and the like- The apparatus is light, self-contained,
lungs, and suction of vomit to be carried out separately °f certain efficiency, and can be used by a single person
or simultaneously. even if inexperienced in the practice of cardiac mas
The apparatus is formed by a base plate on which are sage and artificial respiration,
mounted two vertical columns, which may be mounted Another characteristic of the invention is to provide
in a hinged manner, and which are sufficiently spaced the apparatus with a base plate supporting two vertical
apart to admit the chest of a prone person. columns which can be stowed in a horizontal position
On the upper portions of these columns slides a and which carry at their upper end portions a crosscross-piece which may be so mounted that it can be piece which can be adjusted relative to the base plate moved out of the way to admit the body of a patient, and clamped: the space between these elements reand which can be clamped on the columns at an adjust- ceives the chest of a patient, supported on a movable able distance from the base plate. panel.
A vertical cylinder is mounted below the centre of Another characteristic of the present invention is to
the crosspiece and in it slides a piston provided with mount below the centre of the crosspiece a vertical cyl
two piston rods. The upper rod slides vertically and in 65 inder in which slides a piston attached to two piston
fluid-tight manner in the upper closure of the cylinder rods, the upper rod sliding in fluid-tight manner in the
and is linked to a second order lever pivoted to the top upper closure of the cylinder and the lower rod sliding
of the crosspiece at one end and having a handle at the in fluid-tight manner in the lower closure of the cylin3,782,371