Ambu Twin Manual Del Usuario página 2

Materials
Parts
Transparent plastic parts
Bottom cover
Manifold pipe
Gaskets, O-rings and valve diaphragms
Piston rings
Foot pedal
Other metal parts
Suction tip
Suction tube
4. Principles of operation - see
The pump is operated by seesaw movement of the pedal.
Depressing the left-hand side of the pedal causes the valve diaphragm (1.1) to open, thus
expelling the air from the cylinder (1.2). The valve diaphragm (1.3) is closed. At the same time,
the right-hand side of the pedal rises, causing the valve diaphragm (1.4) to open and the air in
the collection container (1.5) to be drawn into the cylinder (1.6). This creates a vacuum in the
container (1.5). The valve diaphragm (1.7) is closed. Air and fluid therefore flow from the suction
tip through the suction tube and the suction tube connector (1.8) into the container (1.5).
A corresponding process takes place when the right-hand side of the pedal is depressed.
As suction is generated every time one side of the pedal is depressed, the resulting flow is
substantially greater - approx. twice the normal value - than for manual pumps, which only
develop a negative pressure during one half of the working cycle.
5. Operating instructions
The pump can be operated by foot or by hand. See W.
Work the pump using continuous seesaw movements on the pedal. Very little force is
required to maintain a high airflow through the suction tube. When the negative pressure
increases, this is immediately noticeable as resistance to pedal movement.
The collection container has a fluid capacity of approx. 600 ml. for TwinPump and 1000 ml.
for TwinPump 1000. If the container becomes full at a critical moment and there is no time
to empty it, do not interrupt the suction. The pump will continue to operate as the excess
fluid will be discharged through the two valve diaphragms on top of the cylinders.
The suction tube is fitted with a combination suction tip. The small bore tip can be used
with or without a suction catheter. See E. To accommodate large quantities of fluid and
solids, e.g. patient vomit, the small bore tip is easily removed to enable instant use of the
large bore tip (10 mm aperture). This will substantially increase the rate of suction and permit
the passage of solids without obstructing the aperture. See R. During the process the small
bore tip should be hooked securely to the suction tube to prevent loss.
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English
Materials
Polycarbonate
Thermoplastic rubber
Polypropylene
Silicone rubber
Teflon
Aluminium
Nickel plated brass and stainless steel
Acetal
Silicone rubber
Q