NITRONOX SCAVENGER SYSTEM USER'S MANUAL
Contents
1. 19mm Hose The system components are Fig 1 e A COLLECTION MANIFOLD Fig 1 2 located at the exhaust ports of the Demand breathing Valve Figs 1 2 1 3 e A cylindrical INTERFACE Fig 1 1 to connect the central vacuum system with the scavenger collection manifold It contains o Orifices to limit vacuum pressure and flow o Opening to ambient to help prevent over under pressurization of the patient exhaust circuit o A valve to automatically drain any internal condensation e The interface is connected to the rear of the support pole to the Hospital Nitronox unit e A corrugated 19mm hose Fig 1 4 to connect the collection manifold to the interface Nitronox Scavenger System Description The gas flow path through the scavenger system starts with patient exhalation into the exhaust ports of the demand valve and then to the collection manifold into the 19 mm scavenger hose The hose leads the gas into the scavenger interface The interface is open at the top to ambient via a calibrated foam resistor In addition the interface contains an internal pathway for gas passage permitting waste gas to follow a preferential path to wall vacuum From the internal pathway of the interface the waste gas flows through a ball type control valve to a calibrated orifice contained within the barbed wall vacuum connector The final gas path is through the DISS or QUICK connect vacuum hose to the wall vacuum outlet and the central vacuum pump2. should be contacted for current information Materials of Construction Plastics ABS PVC Polypropylene Nylon Dimensions Diameter Length Collection Manifold 2 1 4 5 7 cm 1 2 5 cm Interface 2 1 2 6 4 cm 20 50 8 cm Scavenger Hose 19mm 19mm ID 60 152 cm Vacuum Hose not supplied 3 8 9 5 mm ID As Required Vacuum Source Pressure 14 to 21 Hg 356 mm to 533 mm Hg Flow 2 0 to 3 5 SCFM 56 6 to 100 LPM Interface Flow Ball Valve Full Vertical Ball Valve 45 Position Max Flow 30 35 LPM Min Flow 8 12LPM Relief Valve Condensation Relief Volume 40 50 cc mL Retention Volume 5 10 cc mL Ambient Temperature Limits Minimum 40 F 5 C Maximum 140 F 60 C Replacement Parts Contact Porter CERTIFICATE OF WARRANTY THIS WARRANTY IS GIVEN IN PLACE OF ALL OTHER WARRANTIES EXPRESS OR IMPLIED OF MERCHANTABILITY FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE Under no circumstances shall Parker Hannifin Corporation be liable for incidental or consequential damages as those terms are defined in the uniform commercial code Parker Hannifin Corporation Porter Instrument Division warrants that each product or part shall be free from defects in workmanship and materials under normal use and with appropriate maintenance for one 1 year from the date of delivery to customer unless otherwise specified in writing All rubber and plastic parts and accessories are warran
3. E OPENING MANIFOLD Fig 6 1 Fig 6 2 Hose Connections Fig 7 1 Connect the 19 mm scavenger hose between the 19 mm connectors on the collection manifold and the interface Fig 7 1 2 Connect vacuum hose between the vacuum source inlet using appropriate connection such as DISS QUICK connect etc and the barbed outlet connector on the interface Push the tubing on the barb so that two to three barbs are covered Note Hold the barbed outlet while pushing tubing onto barb to reduce excess strain 19mm Hose Connection Fig 7 1 Barbed Outlet Connection Fig 7 A Warning An EXPLOSION hazard exists when flammable agents are exhausted into the central vacuum system 1 5 Operation Connect wall or Mobile E Stand gas supplies Oz and N2O Connect vacuum source to Nitronox Scavenger barb Adjust the position of the collection manifold by rotating clockwise so that the hoses lie in a parallel position Fig 8 Secure the delivery hose and the 19 mm scavenger hose together using the five tie wraps supplied Fig 9 9 1 see Tie Wrap Instructions FM 1236 Space the tie wraps equally starting at the demand valve and working back to the scavenger interface Fig 8 Fig 9 1 Fig 9 For best scavenging vacuum flow turn the ball valve lever to the vertical full on position Fig 10 Note With the ball valve lever in the full on position the vacuum flow should accommodate the exha
4. Parker Hannifin Corporation Porter Instrument Division 245 Township Line Rd Porter Hatfield PA 19440 USA 215 723 4000 fax 215 723 5106 NITRONOX SCAVENGER SYSTEM USER S MANUAL INSTRUCTIONS Examination All components should be removed from their respective shipping containers and examined Any omissions and or damage should be reported to the Porter dealer immediately User Responsibility The Nitronox Scavenger System is designed for use with the Nitronox Hospital Model Inhalation Analgesia Machine Refer to Instructions 10115900 and to perform in accordance with specifications herein when installed operated and maintained as instructed in this manual It should be carefully read and understood prior to operation and use of the scavenger system A Warnings e Use Scavenging Monitor for N2O in the patient treatment area to insure that controls are effective in achieving low levels of ppm parts per million exposure Contact Porter or Authorized Distributor for details on monitors and testing e The Nitronox Scavenger is intended to be used by medical personnel trained in its use and the use of nitrous oxide and oxygen for medical applications e An EXPLOSION hazard exists when flammable agents are exhausted into the vacuum system Page 7 e The Nitronox Scavenger interface is supplied with a removable flow resistor This foam resistor must be REPLACED every six months to help prevent the possibility of incr
5. column assembly of the Mobile Stand Figs 2 1 2 2 Use the mounting clips of the interface to position the assembly on the column Orient the interface assembly vertically with open end foam resistor up and condensation relief drain valve down E Fig 2 1 Nitronox Main Full Face Mask Housing Ay Mixture Pressure y J Line Pressure p f Gages 19mm Hose l Cylinder Pressure Gages E Stand Block Ambient Opening Cylindrical Interface N2O Cylinder O Cylinder Drain Valve Fig 3 1 E Stand with 4 cylinders Installation Fig 3 2 E Stand with Nitronox amp Scavenger Mobile E Stand Mount The Porter Mobile E Stand is for use with two E cylinders of O2 and two E cylinders of N2O Figs 3 1 3 2 The two pressure gages reflect cylinder pressure only When the gas supply is opened gas will flow through the check valves into the block and be regulated down to 50 PSIG at the regulators out through the hoses to the Nitronox The check valves prevent the gas from flowing between cylinders or out into the room if only one cylinder is in use Each Mobile Stand may be adjusted to a desired height for use and storage Refer to FM 916 Mobile E Stand Installation and Instructions for information on monthly checks cylinder installation height adjustment check valve replacement Connect the cylindrical INTERFACE to the center column assembly of the Mobile E Stand Use the mounting c
6. eased resistance due to particle entrapment Page 8 e Medical workers are exposed to N2O during administration of N2O O2 conscious sedation analgesia NIOSH has recommended that exposures should be minimized Contact NIOSH 1 800 35 NIOSH to receive NIOSH Publications on Control of Nitrous Oxide in Dental Operatories Exposure can be minimized by effective controls National Institute for Occupational Safety and Health NIOSH publications state that controls including System Maintenance Ventilation and Work Practices can effectively reduce N2O concentrations in patient procedures Your accessory Nitronox Scavenger System is an important part of the system of controls in medical settings REF 10152100 Rev F www porterinstrument com nitronox Nitronox Scavenger System Description The Nitronox Scavenger System is a device for the removal of patient exhaled O gt N2O gas mixtures generated from the Hospital Nitronox The exhaled gases are routed through the device to a remotely located central vacuum system The Nitronox Scavenger and central vacuum systems provide dilution and disposal of mixed waste gases The scavenger system consists of components necessary to transfer patient exhaled gas mixtures to the source of vacuum at the wall Ambient opening foam resistor Limit Orff Fig 1 1 Fig 1 2 Fig 1 3 Fig 1 4 Fig 1 IMELE Interface Demand Valve Demand Valve 19mm Hose l Collection Manifold Collection Manifold Drain Valve
7. er Hannifin Corporation distributor No returns will be accepted unless authorized in writing by Parker Hannifin Corporation and accompanied by the original shipping invoice All returns are subject to restocking charge Policies subject to change without notice The Quality System for Porter Instrument is certified to ISO 13485 The scope of our registration is The design manufacture distribution and servicing of Nitrous Oxide Oxygen Sedation Flow Meters Gas Scavenging Systems Steam Sterilizers Gas Distribution and Office Communication Systems for use by a physician dentist or licensed healthcare professional 10
8. lips of the interface to position the assembly on the column Orient the interface assembly vertically with ambient open end foam resistor up and condensation relief drain valve down Position the interface between the four cylinder positions as shown in Fig 3 1 cylinders are closer together on opposite side Installation Wall Mount Figs 4 5 1 2 Hold the scavenger interface against the wall in the desired mounting location Mark four mounting hole locations on wall using the interface mounting plates as templates Drill four holes in the locations marked Note e For dry wall or plaster drill hole suitable for a screw attachment e For wooden studs drill appropriate pilot hole 1 1 2 inches deep to accept mounting screws Insert appropriate receptacle not provided in hole if necessary Mount the scavenger interface using four screws not provided in the prepared locations Fig 2 Note Mounting installation must be done on both the top and the bottom brackets Fig 4 Scavenger Wall Mount Fig 5 Nitronox Housing Wall Mount With Scavenger Wall Mount Collection Manifold Figs 6 1 6 2 Push the collection manifold onto the plastic outlet housing of the demand valve until the o rings seat and the manifold bottoms Fig 6 1 Turn the collection manifold 19 mm outlet port clockwise to be parallel with the delivery hose Fig 6 2 19 MM GAS OUTLET ee ie DEMAND LARGER DIAMETER COLLECTION VALV
9. system or appropriate connections to a portable vacuum source If central vacuum flow through the calibrated orifice exceeds the exhaled flow from the patient room air will be drawn from ambient into the vacuum system via the scavenger interface Also the internal volume of the interface acts as a surge chamber to absorb a short duration of excessive patient flow During this short duration excess gas will fill the interface allowing time for the vacuum flow to exhaust the gas during the next patient inspiration Under abnormally large exhalations it is possible that the excess exhaled gas may exceed the capacity of the interface chamber and exhaust to ambient This entrance and exit of gas to ambient is a feature operating only during transient unbalanced periods Control of excess flow from the central vacuum through the orifice is provided by the ball control valve The ball valve limits the central vacuum flow between an upper maximum and a lower minimum limit No control other than the passive interface capacity and preferential flow path within the interface is provided for excess patient exhalation such as during a cough An automatic relief valve is provided in the bottom of the interface to prevent condensation from causing a water seal of any internal gas passages This is another feature operating only when condensation occurs Installation Mobile Stand Mount Connect the cylindrical Nitronox Scavenger interface to the center
10. ted under the same conditions for a period of ninety 90 days from date of purchase No statement or claim about the product by any employee agent representative or dealer of Parker Hannifin Corporation shall constitute a warranty by Parker Hannifin Corporation or give to rise to any liability or obligation of Parker Hannifin Corporation Parker Hannifin Corporation shall not be liable for any damage injury or loss arising out of the use of the product whether as a result of a defect in the product or otherwise if prior to such damage injury or loss the product was 1 damaged or misused 2 repaired altered or modified by persons other than Parker Hannifin Corporation 3 not installed in strict compliance with applicable codes and ordinances or 4 not installed by an authorized Parker Hannifin Corporation dealer Parker Hannifin Corporation s obligation for breach of this warranty or for negligence or otherwise shall be strictly and exclusively limited to the repair or replacement of the product or part This warranty shall be void on any product on which the serial number has been altered defaced or removed ORDERS All orders are to be made through authorized Parker Hannifin Corporation distributors All billing will be done through said distributors Direct orders will be handled through the authorized local dealer as determined by Parker Hannifin Corporation RETURNS All returned merchandise will be handled through the local Park
11. ust gas from all normal breathing patterns 80 35 Fig 10 LPM maximum g If the overall demand for vacuum is overloading the central system the ball valve may be Slightly throttled to reduce vacuum flow by turning the ball lever to the 45 from vertical position Note With the lever in the 45 from vertical position the ball valve will still allow a vacuum flow of 8 to 12 LPM minimum The interface is designed so that condensed water vapor should discharge from the bottom if its volume exceeds 40 to 50 cc mL 4 Maintenance Replacement of the foam flow resistor approximately every six months and periodic replacement of the Scavenger Hose Assembly A Warning The foam flow resistor is to be replaced approximately every 6 months to help prevent the possibility of increased resistance due to particle entrapment Pull the foam resistor one inch diameter by six inches long from the top center hole of the interface cylinder with the use of forceps or needle nose pliers Using a 12 inch long stiff strip of music wire or equivalent insert a new foam resistor into the interface top center hole until the top of the foam resistor reaches the lower edge of the horizontal vent holes Remove the wire holding top of the foam resistor with the forceps or needle nose pliers Specifications Note Porter may apply technical advances whenever it is desirable Specifications are subject to change WITHOUT NOTICE Porter
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