Porter Matrx MDM - Description and Mechanical Assembly; Conventional Rubber Goods Assembly; N2 O - O2 Scavenger Assembly

DESCRIPTION AND MECHANICAL ASSEMBLY
This manual covers the operation of the MDM Nitrous Oxide/Oxygen mixer. The MDM is a mechanical
mixer for regulating the flow of Nitrous Oxide and Oxygen from a gas supply to a conscious patient for the
purpose of conscious sedation analgesia. Each MDM model includes the MDM Flowmeter Head with one
of the following:
Conventional Rubber Goods: 4” Breathing Tube, Large Nasal Inhaler and 3 Liter Breathing Bag
Assembly Procedure:
1. Position breathing bag as shown and slide opening in breathing bag over outside diameter of bag
mount. (Figure 1)
2. Slide one end of breathing tube over outside diameter of breathing tube connector.
3. Slide connector “Y” fitting of large nasal inhaler into free end of breathing tube.
Or
N
2
O - O
2
Scavenger: Large Scavenger and 3 Liter Breathing Bag (Figure 2)
Assembly Procedure:
1. Position breathing bag as shown and slide opening in breathing bag over outside diameter of bag
mount. (Figure 1)
2. Slide the 22mm hose cuff of the scavenger over the breathing tube connector. (Figure 2)
3. Refer to scavenging nasal inhaler instructions for methods of connecting vacuum shut-off valve
MDM AS SUPPLIED WITH CONVENTIONAL RUBBER GOODS
The following assembly procedure is common for all MDM models supplied with conventional rubber
goods (see Figure 1):
Figure 1
Conventional Rubber Goods
N2O – O2 Scavenger
Figure 2
2
2