Matrx™ VIP 3000 Calibrated Vaporizer
Contents
1. 9 VIP 3000 Calibrated Vaporizer 8 M Manual Contents Page 1 VIP 3000 Calibrated Vaporizer amp Manual Contents Page 2 Table Of Contents Next 5 0 Principle of Operation 10 5 1 Vaporizer Sump and Valve Assembly 10 6 0 IMStallatiOn TTT 6 1 Mounting the Vaporizer 7 0 Operating Instructions E 14 ZA Turning the Vaporizer ON 14 1 2 Filling and Drelpipng 14 7 2 1 14 7 2 2 Screw Cap Eller 15 7 2 3 Keyed Piller 16 8 0 Checking the Calibration AAA 18 81 e UE 18 8 2 Analytical 19 9 0 21 9 1 Schedule 21 9 2 Cleaning 22 9 3 Contamination 22 GE NEE 22 19 0 Warranty EE 23 J Back Go To Table Of Contents 1 0 Introduction A number of Warnings A Cautions and Notes eo used throughout this 1 1 Warning and Cautions manual These draw attention to possible hazards and adverse conditions that may occur if the information and instructions provided not strictly observed Warnings are used to draw attention to a condition that can endanger either the patient o2. Only the correct agent specific adapter can be fitted into the matching drain socket Caution The vaporizer may be pressurized Unscrew the top retaining screw slowly gt a 2 Ensure that the dial control is in the OFF position Ensure that the bottle is below the level of the drain socket and the tube is not kinked For draining purposes and to allow air to vent unscrew the top retaining screw and remove the dummy filler plug from the filler socket 3 Open the drain valve by turning it counter clockwise Allow the vaporizer to drain 4 If it is not possible to complete the draining process close the drain valve loosen the bottom retaining screw then remove the bottle and adapter from the vaporizer and remove the adapter from the bottle Carefully shake the adapter two or three times to clear the tube then reassemble and repeat instructions from paragraph 1 5 When draining is complete close the drain valve clockwise loosen the bottom retaining screw and remove the bottle and adapter Replace the dummy filler plug into the filer socket and fully tighten the top retaining screw in a clockwise direction VIP 3000 Calibrated Vaporizer O amp M Manual Page 17 J Back Table Of Contents Next 8 0 Checking the Calibration The performance of the Matrx VIP 3000 calibrated vaporizers which are in clinical use is monitored by observing patient signs and consumption of anesthetic agent Some users may howeve
3. Vaporizer O amp M Manual Page 14 Table Of Contents Warning Ensure that the Matrx VIP 3000 calibrated vaporizer is upright at all times Warning Do not carry the Matrx VIP 3000 calibrated vaporizer by holding the dial control To turn the vaporizer ON depress the dial control release button and turn the dial in a counter clockwise direction To avoid inadvertent delivery of small CONTROL concentrations of agent the dial control RELEASE must be turned to OFF when the BUTTON vaporizer is not in use Figure 3 Turning the Vaporizer ON Warning Do not fill the vaporizer with any agent other than the one specified on the front label The vaporizer is designed for that agent only Use of any agent other than the one specified can be dangerous to the patient Warning Do not fill the vaporizer unless the dial control is in the OFF position Warning Do not turn the dial ON during filling or attempt to fill the vaporizer beyond the full mark Warning Do not drain the agent into any container other than a properly marked container Warning Periodically check the agent level The Matrx VIP 3000 calibrated vaporizer must be filled at appropriate intervals The vaporizer functions satisfactorily as long as the agent is above the minimum level mark on the agent level indicator Warning The Matrx VIP 3000 calibrated vaporizer must be filled and used in an upright position
4. they are leak tight If in doubt seek advice from the manufacturer of the equipment to which the vaporizer is attached Unless otherwise specified all Matrx VIP 3000 calibrated vaporizers are supplied as standard with 23 mm cagemount fitting inlet and outlet ports 6 1 Mounting the Vaporizer Cagemount fitted vaporizers normally have the standard 23 mm tapered ports male inlet on the left and female outlet on the right when viewed from the front There are two threaded holes at the rear of the vaporizer which are utilized to secure the vaporizer onto the anesthesia machine using appropriate studs spacers and nuts 1 Lightly coat the tapers with oxygen safe grease such as Krytox 2 Push the tapered fittings fully onto the appropriate tapers Warning Ensure that all connections are gas tight before using the machine Warning Before use ALL connections must be checked for leaks and functional tests must be performed as described in the anesthetic machine user manual Warning As there is no interlock fitted to the Matrx VIP 3000 calibrated vaporizers only one vaporizer should be connected at any one time thus assisting with the prevention of administering multiple agent anesthesia to the patient gt VIP 3000 Calibrated Vaporizer O amp M Manual Page 13 7 0 Operating Instructions A 7 1 Turning Vaporizer ON gt 7 2 Filling and Draining 7 2 1 General gt gt gt gt VIP 3000 Calibrated
5. 0 Description 2 1 When communicating with Midmark please quote the model and serial number of the vaporizer along with the approximate year of purchase If the unit is being returned for repair indicate the nature of the fault or the work required to be undertaken Midmark can be contacted by telephone by dialing 1 800 Midmark 1 800 643 6275 Alternatively use FAX 1 877 725 6495 WARNING This manual and all its associated documentation must be studied thoroughly before any attempt is made to install operate or maintain any part of the Matrx VIP 3000 calibrated vaporizer Failure to do so may result in patient injury The Matrx VIP 3000 calibrated vaporizer is designed for out of circuit use in continuous flow techniques of inhalation anesthesia The Matrx VIP 3000 calibrated vaporizer is temperature and flow compensated so that its output remains relatively constant despite cooling due to the vaporization and variations in inlet flow Every Matrx VIP 3000 calibrated vaporizer is labeled to show the name of the anesthetic agent for which it is designed and calibrated INLET CAGEMOUNT CAGEMOUNT DIAL CONTROL DIAL CONTROL RELEASE BUTTON KEYED FILLER AGENT LEVEL SCREW CAP INDICATOR FILLER Figure 1 Matrx VIP 3000 Vaporizer VIP 3000 Calibrated Vaporizer O amp M Manual Page 4 EEN J Back Table Of Contents Next 2 2 The Dial Control T
6. 7 2 2 7 2 2 1 Filling Procedure 7 2 2 2 Draining Procedure A Caution The vaporizer may be pressurized Turn the screw cap slowly when filling or draining vaporizers which are filled with screw cap fillers 1 Ensure that the Dial is in the OFF position Remove the screw cap by turning it counter clockwise 2 Verify the agent to be used is the same as that specified on the front of the vaporizer Pour the agent slowly into the filler opening observing the agent level through the agent level indicator Note If the vaporizer was dry before filling the level will decrease slightly as the wicks absorb the agent 3 When the agent level reaches the maximum level mark on the agent level indicator the vaporizer is full Replace the screw cap by turning it clockwise To prevent leakage ensure that the screw cap is fully tightened Warning After draining the Matrx VIP 3000 calibrated vaporizer fully tighten the drain plug before replacing the screw cap Remove the screw cap to reveal the drain plug Invert the screw cap and use the slot in the top to unscrew the drain plug Loosen the drain plug Drain the agent into a properly marked container for disposal EEN FILLING TURN SCREW CAP COUNTER CLOCKWISE TO REMOVE Figure 4 Filling Screw Cap Filler DRAINING INVERT SCREW CAP AND TURN COUNTER CLOCKWISE Figure 5 Draining Screw
7. C and 96 8 F 36 C VIP 3000 Calibrated Vaporizer O amp M Manual Page 5 4 0 Performance 4 1 Performance Curves VIP 3000 Calibrated Vaporizer O amp M Manual Page 6 Next VARIATION OF OUTPUT WITH FLOW RATE 21 C EFFECT OF TEMPERATURE 5 LITERS MIN OXYGEN 2 3 4 5 6 H 8 9 10 FLOWRATE LITERS MIN OXY GEN 8 8 7 7 6 2 26 55 5 5 4 4 94 3 2 2 1 1 0 0 2 io 20 2 4 6 S FLOWRATE LITERS MIN OXY TEVFERATURE DEGREES VARIATION OF OUTPUT WITH FLOW RATE 21 C EFFECT OF TEMPERATURE 5 LITERS MIN OXYGEN 8 8 56 55 El M SE E 14 J 9 0 9 8 d 10 20 2 2 A F FLOWRATE LITERS MIN OXY GEN TEMPERATURE DEGREES VARIATION OF OUTPUT WITH FLOW RATE 21 C EFFECT OF TEMPERATURE 5 LITERS MIN OXYGEN 10 10 9 7 ee T 2 74 eme 6 E 5 5 5 5 ZE Al 2 x Led 2 1 1 0 0 22 24 26 28 20 32 34 36 TEMPERATURE DEGREES J Back Table Of Contents Next 4 2 Effects of Variables The rate of consumption of anesthetic agent depends primarily on flow rate and 4 2 1 Anesthetic Consumption vapor output concentration As an approxi
8. Cap Filler VIP 3000 Calibrated Vaporizer O amp M Manual Page 15 7 2 3 Keyed Filler 7 2 3 1 Filling Procedure AN VIP 3000 Calibrated Vaporizer O amp M Manual Page 16 Table Of Contents EEN This filling system consists of three keyed elements as follows The anesthetic agent bottle collar bottle adapter and the filing draining unit fitted to the vaporizer 1 Remove the cap and seal from the anesthetic bottle Check that the bottle neck is not chipped or damaged Fit the keyways of the bottle adapter to the keys of the bottle collar Screw them together until fully tightened The bottle is then ready for filling the vaporizer Note Only the correct agent specific adapter can be fitted into the matching filler socket Caution The vaporizer may be pressurized Turn the top retaining screw slowly when removing the dummy filler plug on vaporizers fitted with keyed fillers 2 Ensure that the dial control is set to the OFF position Turn the top retaining screw on the filler unit counter clockwise and withdraw the dummy filler plug 3 Hold the bottle upright below the filler socket and bend the adapter so that its end is horizontal and the two holes in the adapter are facing downwards Insert the adapter into the filler socket 4 After insertion turn the top retaining screw clockwise to tighten it and seal the filler adapter in the filler socket 5 Raise the bottle above the lev
9. J Table Of Contents MIDMARI lt Matrx VIP 3000 Calibrated Vaporizer Operation amp Maintenance Manual Midmark Corporation 2009 10498800 Rev D Table Of Contents This page intentionally left blank 1 0 2 0 3 0 4 0 Contents deet TT d EE 1 1 Warning and Cautions 1 2 User Responsibility EE Description 2 1 General 2 2 Dial Control Specifications EE ele EE 3 2 R sistance to Gas FOW 3 3 Liquid Capacity 3 4 Weight and Dimensions 3 5 Temperature RANGG EE 6 41 Performance i iets 6 Ee TEE 7 4 21 Anesthetic 7 4 2 2 iiris 7 423 Barometric E 8 4 24 Back Pressure Steady E 8 4 2 5 Back Pressure Fluctuating ccsccscsscsssscceeesssccsecsesessecesecessesscessecsseeseeessesoneeseeesseeoner 9 426 Carrier Gas Composition 9 427 ee 9 428 Other
10. Outlet Calibrated Channel to Vapor Outlet OFF Figure 2 Schematic Principle of Operation When the dial control is set at OFF fresh gas enters the central chamber A and leaves via outlets B and C When the dial control is rotated to the on position the bypass outlet B is occluded Fresh gas enters and is split to the rotary valve inlet A and the inlet bypass chamber C Bypass gas passes through C to the temperature compensated bypass chamber The other gas stream passes through the vapor chamber inlet D and is ducted down the inside of the inner wick support to the base of the vaporizing chamber VIP 3000 Calibrated Vaporizer O amp M Manual Page 11 J Back Table Of Contents Next From the base of the vaporizing chamber the gas passes up the helix wick support which is sandwiched between the inner and outer wicks thus giving a long gas pathway The saturated vapor leaves the chamber outlet via the outlet E to the outer channel This annular channel forms a variable resistance pathway which controls the concentration of vapor The channel is of uniform width throughout its length but with an increase in depth from beginning to end The saturated vapor leaves the channel at the outlet F and passes to the vaporizer outlet to mix with the bypass gas to form the final outlet concentration To increase concentration the dial is rotated counter clockwise so that inlet E and outlet F move relat
11. ce Center This service includes the following Complete disassembly of the vaporizer and its components Thorough cleaning Inspection for damage and wear Renewal of wicks seals and any damaged worn or outdated components Lubrication where necessary Checking the delivered vapor concentration under closely defined conditions at different temperatures Re graduation and adjustment where necessary Oe e ee VIP 3000 Calibrated Vaporizer O amp M Manual Page 21 J Back Table Of Contents Next 9 2 Cleaning Warning Do not put water or another solvent in the Matrx VIP 3000 calibrated vaporizer A vaporizer should be filled with the specified anesthetic agent only Clean the exterior of the Matrx VIP 3000 calibrated vaporizer with a damp cloth Never allow cleaning agents to accumulate in the filler or gas inlet and outlet ports or around the dial control 9 3 Contamination If any liquid other than the correct agent is put into the Matrx VIP 3000 calibrated vaporizer 1 Drain and discard all the liquid 2 Set the dial control to maximum concentration and flush the vaporizer with 4 liters per minute oxygen until no trace of the contaminant can be detected 3 Allow 2 hours to elapse for the vaporizer temperature to stabilize Test the vaporizer to ensure that no trace of contaminant is present If the contaminant is not volatile e g water drain the vaporizer and return it to a Midmark authorized Ser
12. designed to be quick and easy under ordinary hospital conditions and that the method is somewhat imprecise Nevertheless it would be unusual for measured liquid agent consumption to vary by more than approximately 25 from the amounts shown above VIP 3000 Calibrated Vaporizer O amp M Manual Page 20 J Back Next Warning Do not modify tamper with or disassemble the Matrx VIP 3000 calibrated vaporizer If the vaporizer is modified in any way there could be possible danger of damaging the unit and altering the accuracy of output concentration 9 0 Maintenance Warning Do not immerse the Matrx VIP 3000 calibrated vaporizer in any liquid including water Warning Do not sterilize the Matrx 3000 calibrated vaporizer Observation of the instructions provided regular servicing and normal professional vigilance is normally all that is required to maintain the Matrx VIP 3000 calibrated vaporizer in a safe working condition 9 1 Schedule Every Two Weeks When the level is low the contents of the Matrx VIP 3000 calibrated vaporizer should be drained into an appropriately marked container Discard the agent in a locally approved manner Agents such as Isoflurane and Sevoflurane require less frequent intervals since they do not contain any additives or stabilizing agents Annually The Matrx VIP 3000 calibrated vaporizer should be serviced annually at a Midmark authorized Servi
13. downstream components Equation 1 above therefore applies with P now being the absolute pressure at the outlet i e barometric pressure plus backpressure Steady backpressure reduces the v v percentage Currently it is unlikely that the steady backpressure imposed by commonly used downstream components other than some ventilators will exceed 30 mm Hg at commonly used flow rates Back pressures as high as this would reduce the delivered v v percentage at 760 mm Hg barometric pressure to Equation 2 760 790 0 96 of what would otherwise be expected Under normal clinical circumstances effects of this degree can be ignored 4 2 4 2 High Pressure Pressures in excess of approximately 400 mm Hg should not be imposed on the Matrx VIP 3000 calibrated vaporizer since this may overcome the loads imposed by internal thrust springs VIP 3000 Calibrated Vaporizer O amp M Manual Page 8 J Back Table Of Contents Next 4 2 5 Back Pressure Fluctuating Fluctuating backpressure may be imposed on the Matrx VIP 3000 calibrated vaporizer by downstream components and assisted or controlled ventilation to the patient This can affect the vaporizer and increase the concentration by intermittently altering the pressures and hence the flow distribution within the vaporizer The greatest effects are observed at combinations of very low flow rates and low dial settings with large and rapid pressure fluctuations This becomes progressively uni
14. el of the filler socket avoiding kinking the adapter tube A steady stream of bubbles should emerge from the adapter inner tube within two seconds If this does not occur remove the bottle and adapter from the vaporizer and remove the adapter from the bottle Carefully shake the adapter two or three times to clear the tube then repeat instructions from Section 7 2 3 TOP RETAINER DUMMY SCREW FILLER PLUG IN FILLER SOCKET DRAIN FILLER SOCKET BODY BOTTOM RETAINER SCREW Figure 6 Keyed Filler Components J Back Table Of Contents Next 6 When the vaporizer is filled to the maximum level mark in the agent level indicator lower the bottle below the level of the filler socket and wait for five seconds to allow any agent in the adapter to drain back into the bottle then unscrew the top retaining screw and remove the adapter from filler If there is any excess liquid agent allow this to escape from the filler socket completely then insert and fully tighten the dummy filler plug to prevent gas from escaping through the filler The Matrx VIP 3000 calibrated vaporizer is now ready for use Note If the vaporizer was dry before filling the level will decrease slightly as the wicks absorb the agent 7 2 3 2 Draining Procedure 1 Fit the bottle adapter to an empty bottle Insert the bottle adapter with its two holes facing upwards into the drain socket Tighten the bottom retaining screw Note
15. er leaks absorption by adjacent components etc 8 Full account should be taken of any extraneous effects on the analyzer which may arise from changes in carrier gas composition VIP 3000 Calibrated Vaporizer O amp M Manual Page 18 J Back Go Table Of Contents Next 9 If the anesthetic machine on which the Matrx VIP 3000 calibrated vaporizer is fitted is left for a period of time with no gases flowing sensitive analyzers may detect small concentrations of agent for a short time at the machine outlet after the machine is turned ON with the vaporizer turned OFF This concentration can be expected to decrease rapidly to zero within approximately 15 seconds at 5 liters per minute This phenomenon is a normal characteristic of anesthetic vaporizers and anesthetic machines 10 At the zero or OFF setting where marked it is not abnormal for small steady concentrations to be observed when using sensitive analyzers For field checking of the state of calibration many techniques and analyzers are available Midmark does not recommend any one technique or analyzer but account must be taken of errors of use and 8 2 Analytical Techniques calibration of analyzers The reliability of both must be realistically considered The following method of checking may be used where special equipment is not available and a secondary check on analyzers is desirable The characteristics of the vaporizer are such that if the vapor
16. gen at 4 liters minute for a minimum of 2 minutes to prevent incorrect dosage If the vaporizer has been dropped it MUST be returned to a Midmark authorized Service Center for functional checks VIP 3000 Calibrated Vaporizer O amp M Manual Page 1 J Back Go Table Of Contents Next 5 Anesthetic agents are drugs to prevent the hazard of prolonged inhalation of trace concentrations from the atmosphere great care must be taken to avoid spilling of any agent during filling or draining Patient exhaled anesthetic gases should be extracted from the operating theater by an approved anesthetic gas scavenging system 6 The dial control MUST be set at OFF during all filling and draining operations To prevent overfilling the vaporizer MUST be secured in the upright position during the filling process The filler Screw Cap must be tightened during use the delivered concentration will be incorrect if the filler port is open during use 7 During use frequently check that the liquid lever is between the minimum and maximum marks on the sight glass level indicator Refill the vaporizer before the liquid level reaches the minimum mark W in the level indicator 8 The Matrx VIP 3000 calibrated vaporizer may cease to function correctly if it is exposed to excessive temperature Always store the vaporizer at temperatures between 5 F and 122 F 20 and 50 C 9 output of the Matrx VIP 3000 calibrated vaporizer is sens
17. itive to barometric pressure It may be necessary to use a correction factor when analyzing the output especially at high altitudes The barometric pressure is not normally of clinical importance 10 Anesthetic agents must be treated as pharmaceutical products to avoid contamination liquid agent must NEVER be drained into an open container and or re used The liquid must ALWAYS be disposed of as a hazardous chemical 11 The Matrx VIP 3000 calibrated vaporizer must NEVER be modified dismantled calibrated or serviced by unauthorized personnel The calibrated vaporizer MUST be serviced at a Midmark authorized Service Center 12 The Matrx VIP 3000 calibrated vaporizer MUST be connected so that the flow of the gas to the patient is as indicated by the arrows on the device The delivered concentration will be incorrect if the flow is reversed VIP 3000 Calibrated Vaporizer O amp M Manual Page 2 J Back Table Of Contents Next 13 The Matrx VIP 3000 calibrated vaporizer has a relatively high resistance and must not be incorporated in a breathing system downstream of the common gas outlet 14 Before use ALL connections must be checked for leaks and functional tests MUST be performed as described in the anesthetic machine User Manual 1 2 User Responsibility The Matrx VIP 3000 calibrated vaporizer must be checked periodically It must be operated and maintained in accordance with the instructions provided A known defect
18. ive or damaged vaporizer must not be used Components which are damaged worn distorted broken contaminated or missing must be replaced immediately Should such repair or replacement be necessary Midmark recommends that a verbal or written request be made only to a Midmark authorized agency The vaporizer must not be altered or modified in any way without prior written consent from Midmark The user of this vaporizer shall have sole responsibility for any malfunction which results either from alteration by anyone other than Midmark authorized personnel or from improper use incorrect maintenance improper repair or damage 1 3 Servicing Only qualified service personnel must service the Matrx VIP 3000 calibrated vaporizer The contents of this manual are not binding If any significant differences are found between the product and this manual please contact Midmark for further information To ensure that the Matrx VIP 3000 calibrated vaporizer functions correctly it must be serviced at regular intervals at a Midmark authorized Service Center Midmark recommends that the vaporizer should be serviced at intervals not exceeding 12 months Qualified service personnel and genuine spare parts must be used for all servicing and repair requirements Midmark will otherwise not assume responsibility for the materials used the work performed or any possible consequences of the same VIP 3000 Calibrated Vaporizer O amp M Manual Page 3 2
19. ively down to a deeper part of the calibrated channel so that the flow resistance between E and F falls It will be seen that counter clockwise rotation of the dial control rotary valve results in a lower vapor chamber resistance thus a greater proportion of the total gas flow passes through the vaporizing chamber which results in a rise in outlet concentration As the Matrx VIP 3000 calibrated vaporizer has a long inlet pathway this coupled with similar volumes of bypass vapor and a small volume vaporizing chamber means that it is not readily susceptible to a pumping effect The vaporizer s high resistance means that it can be used ONLY BEFORE the patient circuit Should the temperature fall the thermostat moves toward closed and more gas is diverted into the vaporizing chamber VIP 3000 Calibrated Vaporizer O amp M Manual Page 12 J Back Table Of Contents Next 6 0 Installation Warning Keep the Matrx VIP 3000 calibrated vaporizer upright at all time Do not carry the vaporizer by holding the dial control Warning To help minimize administering multiple agent anesthesia to the patient only one Matrx VIP 3000 calibrated vaporizer should be fitted to an anesthesia machine at any one time The Matrx VIP 3000 calibrated vaporizer must always be mounted between the flow metering unit and the patient breathing circuit but upstream of any absorber or humidifier Check the integrity of the fittings to ensure that
20. izer is satisfactory at one dial setting it should be satisfactory at all graduation settings Warning Appropriate measures to handle exhaust gases and spillage should be carried out during this test 1 Ensure that the vaporizer is full and has remained an ambient temperature of 69 8 F 21 C for a minimum period of 3 hours 2 With the vaporizer securely mounted open the drain valve until no more liquid agent runs out Close the drain valve 3 With the dial set at OFF carefully and quickly refill the vaporizer with a measured amount of agent approximately 70 milliliters without spilling Close the screw cap securely 4 Ensure that the temperature has stabilized Allow the vaporizer to remain at 21 C for one hour VIP 3000 Calibrated Vaporizer O amp M Manual Page 19 J Back Table Of Contents Next 5 Set the flow rate to 4 liters per minute 6 Note the time turn the dial to 2 and check that the flow rate remains at 4 liters per minute readjust if necessary 7 Leave the vaporizer at this setting for 30 minutes periodically checking and adjusting the flow rate if necessary 8 Drain as described in Section 7 0 Measure the amount of liquid drained from the vaporizer 9 The amount of liquid consumed should be as follows a Halothane 10 5 milliliters b Isoflurane 12 3 milliliters c Sevoflurane 13 2 milliliters It should be appreciated that the preceding method of checking is
21. mate working figure 1 0 milliliter of liquid agent is required to provide 200 milliliters of vapor The approximate hourly consumption in milliliters of agent can be expressed as follows X where the setting of the output percentage F input flow rate liters minute Example if a vaporizer is set to deliver 2 6 liters minute total input gas flow rate approximate rate of agent consumption 3 X 2 X 6 36 milliliters hour The figures are intended only for clinical guidance and are approximate They may vary depending on the type of anesthetic agent used accuracy of graduation of flow meters etc and will vary greatly if the vaporizer filler drain port is not fully closed 42 2 Temperature The effects of variation in temperature are normally negligible at commonly used combinations of dial setting and ambient temperature The Matrx VIP 3000 calibrated vaporizer responds very slowly to changes in ambient temperature and as a safety feature the temperature sensitive valve does not respond to temperatures below the range of approximately 53 5 F 12 C to 59 F 15 C thus preventing the valve from closing completely Should the Matrx VIP 3000 calibrated vaporizer temperature fall lower than this the output can be expected to be lower than that indicated on the dial control At temperatures above the range shown on the performance curves the Matrx VIP 3000 calibrated vaporizer output may be unpredictably high
22. mportant as the dial setting and flow rate increase and the magnitude and rate of cycling of the pressure fluctuations decrease In clinical use Matrx VIP 3000 calibrated vaporizers are considered unaffected by all fluctuating backpressures which would occur under all normal clinically encountered conditions relating to anesthesia 4 2 6 Carrier Gas Composition Small effects can occur when the carrier gas composition is changed from oxygen to either an oxygen air or a nitrous oxide oxygen mixture As a general rule variation of output with carrier gas composition can be considered of negligible clinical significance since any effects are normally less than 10 of setting Where changes do occur the usual effect is that the output is slightly depressed when nitrous oxide is employed compared to the output when only oxygen is the carrier gas The presence of nitrous oxide reduces the required inspired concentration of volatile agent and this mitigates this small depression in output 4 2 7 Time Out Of Service If the anesthetic machine on which the Matrx VIP 3000 calibrated vaporizer is fitted is left for a period of time with no gases flowing sensitive analyzers may detect small concentrations of agent at the anesthetic machine s outlet when the gas flow is turned ON and the vaporizer is set to OFF This concentration can be expected to decrease rapidly to zero within approximately 15 seconds at flow of 5 LPM for example This phenomen
23. o set the desired concentration of anesthetic agent a single Dial Control with a concentration scale calibrated in of anesthetic agent vapor per volume v v is used This Dial Control incorporates a release button see Fig 1 to help prevent accidental rotation of the dial from the OFF to the ON position A counter clockwise rotation of the dial and simultaneous depression of the release button is required to set the vaporizer to the on position A WARNING Turn the vaporizer dial control to OFF when not in use 3 0 Specifications Matrx VIP 3000 calibrated vaporizers are calibrated at 70 F 21 C The variation in output with temperature flow rate and duration of use is small and the variation of output when used with ntermittent positive pressure ventilation is negligible 3 1 Calibration The Dial Control is calibratied to the levels shown on the performance curves in Section 4 of this manual 3 2 Resistance to Gas Flow 5 centimeters of Water cm H O at the OFF setting at 5 liters minute LPM O 3 3 Liquid Capacity Amount of anesthetic agent to fully charge the vaporizer 125 milliliters ml nominal Amount retained by wick system 35 ml nominal 3 4 Weight and Dimensions Weight 15 2 Ibs 6 9 kg Height 8 205 nominal Depth 5 5 in 140 mm Width 5 3 in 135 mm 3 5 Temperature Range The Matrx VIP 3000 calibrated vaporizer is designed to operate at temperatures between 59 F 15
24. on is a normal characteristic of anesthetic vaporizers and anesthetic machines It is considered to be clinically insignificant because of the small volume of vapor involved 4 2 8 Other Variables Ambient temperature input flow rate and duration can often affect delivered concentrations particularly when the vaporizer is used at extremes of the usual clinical range The valve design and temperature compensation system of the Matrx VIP 3000 calibrated vaporizer reduces the effects to levels where under most clinical conditions their effect on vaporizer performance is not clinically significant The nominal performance characteristics should be consulted for further details VIP 3000 Calibrated Vaporizer O amp M Manual Page 9 J Back Table Of Contents Next 5 0 Principal of Operation When in the OFF position the rotary valve within the dial control makes a direct link between the inlet and outlet of the vaporizer When the dial control is turned to on the carrier gas is split into two streams respectively designated bypass and vaporizing chamber flow 5 1 Vaporizer Sump and The vaporizing chamber is lined with two concentric wicks which enclose a nickel plated copper Valve Assembly alloy helix so that the space is converted into a long spiral outlet channel The wicks are in contact with the liquid agent thereby ensuring that the vapor is maintained at saturation concentration in the gas leaving the va
25. particularly if the temperature approaches the boiling point of the anesthetic agent To avoid inaccuracies due to extreme temperatures the Matrx VIP 3000 calibrated vaporizer should be allowed to attain a temperature in the range shown on the performance curves prior to use VIP 3000 Calibrated Vaporizer O amp M Manual Page 7 J Back Go Table Of Contents Next 4 2 3 Barometric Pressure The dial control is graduated in v v percentage at 760 millimeters of mercury mm Hg If the ambient pressure changes the v v changes so that at an ambient pressure P mm Hg the delivered percentage D Equation 1 D X 760 P where is the nominal setting of the vaporizer It is generally accepted that the depth of anesthesia depends on the inspired partial pressure of agent and not the concentration by volume of agent To obtain a consistent depth of anesthesia when gross changes of barometric pressure occur the v v must be changed in inverse proportion to the barometric pressure The Matrx VIP 3000 calibrated vaporizer automatically makes this change thus the effects of change in barometric pressure can be ignored for practical clinical purposes 4 2 4 Back Pressure Steady 4 2 4 1 Low and Moderate Pressure The Matrx VIP 3000 calibrated vaporizer cannot distinguish between pressures at the outlet due to barometric pressure and pressures in excess of barometric pressure which are due to steady back pressure applied by
26. porizing chamber The amount of anesthetic agent picked up in the vaporizing stream can vary due either to variation in room temperature or the cooling which takes place as the agent is vaporized Each variation causes changes in the effective vapor pressures of the anesthetic agent therefore unless some form of compensation device is used the output of the vaporizer for any given flow and dial setting would change with changes in temperature The Matrx VIP 3000 calibrated vaporizer incorporates a temperature compensating device thermostat that utilizes a bi metallic strip that deflects according to temperature in order to control the proportion of carrier gas entering the vaporizing chamber If the temperature of the Matrx VIP 3000 calibrated vaporizer decreases the thermostat closes and more carrier gas is admitted into the vaporizing chamber If the temperature of the vaporizer increases the thermostat opens and less carrier gas is admitted into the vaporizing chamber In this way the output of the vaporizer remains constant under conditions of changing temperature within the range specified VIP 3000 Calibrated Vaporizer O amp M Manual Page 10 J Back Table Of Contents Next ROTARY Key to Figure 2 A Rotary Valve Inlet B Rotary Valve Outlet Inlet to Bypass Chamber Thermostat D Vapor Chamber Inlet E Outlet Vapor Chamber to Calibrated Channel F
27. r wish to employ analyzers to determine whether any abnormalities of performance have developed 8 1 General The following points must be considered when any measurements are being carried out on a Matrx VIP 3000 calibrated vaporizer to determine whether any abnormalities of performance have developed 1 In order to predict the concentration that the Matrx VIP 3000 calibrated vaporizer can be expected to deliver the detailed nominal performance data and the preceding comments should be noted 2 The method of testing used should be representative of normal conditions of use 3 Any sampling techniques should be such as to ensure the following a The sample is fully representative of the vaporizer output which may not be a homogeneous mixture at the vaporizer outlet b Absorption of agent by any connecting tubing is negligible 4 number of vaporizers are being examined simultaneously the probability of them all being consistently in error is so remote as to be negligible and the cause of any apparent error is likely to lie in the employed method of testing 5 Consistent and reproducible analytical techniques should be used 6 If unexpected results are obtained it is a wise precaution to repeat the observations since the Matrx VIP 3000 calibrated vaporizer may be more reliable than the techniques used to observe its performance 7 unexpected results occur it is also worthwhile to check for sources of error e g flow met
28. r the operator equipment Notes are used to give conditional information to clarify the instruction Cautions used to draw attention to a condition that can result in damage to the Special attention must be made to each Warning and Caution as it appears in the manual 1 Federal law restricts this device to sale by or use by a veterinarian 2 The Matrx VIP 3000 calibrated vaporizer is designed for use with one anesthetic agent only which is that named on the vaporizer Incorrect dosage may result if the wrong agent is used in this vaporizer National and international standards are provided for by the keyed filler version of this vaporizer 3 Matrx VIP 3000 vaporizer must be secured in the upright position before it is connected to a patient Excess dosage may be delivered if the vaporizer is moved suddenly during use 4 When the Matrx VIP 3000 calibrated vaporizer is filled with anesthetic agent the dial control must be set at OFF also when not in use and or during transportation The vaporizer must be secured in the upright position for a minimum of 10 minutes before it is connected to a patient via a breathing system Excess dosage may be delivered if adequate time is not allowed for the liquid agent to return to its normal level If the vaporizer has been transported with the dial control set at any position other than OFF or was transported other than in an upright position it must be flushed with oxy
29. vice Center 9 4 Repairs Repairs should only be carried out by Midmark authorized service representatives or agents VIP 3000 Calibrated Vaporizer O amp M Manual Page 22 J Back Table Of Contents Next 10 0 Warranty Such warranties are extended only with respect to the purchase of this product direct from Midmark or Midmark authorized dealers as new merchandise and are extended to the first buyer thereof other than for the purpose of resale For a period of three 3 years from the date of original delivery to the first buyer or to buyers order this product is warranted against functional defects in materials and workmanship and to conform to the description of the product contained in the Operation and Maintenance Manual and accompanying labels and inserts provided that the same is operated under conditions of normal use that regular periodic maintenance is performed and that replacements and repairs are made in accordance with the instructions provided The foregoing warranties shall not apply if the product has been repaired or serviced other than by Midmark or Midmark authorized service facilities or other than in accordance with the written instructions provided by Midmark or altered by anyone other than Midmark or Midmark authorized service facilities or if the product has been subject to abuse misuse negligence or accident Midmark s sole and exclusive obligation and the buyer s sole an exclusive remed
30. y under the above warranties are limited to repairing or replacing free of charge at Midmark s option a product which is confirmed as being defective by Midmark following the buyer s notification to Midmark in accordance with the instructions contained in the Servicing Section of the Operation and Maintenance Manual not later than seven 7 days after the expiration date of the applicable warranty Midmark shall not be otherwise liable for any damages including but not limited to incidental damages consequential damages or special damages There are no express or implied warranties which extend beyond the warranties herein above set forth Midmark makes no warranty of merchantability or fitness for a particular purpose with respect to the product or parts thereof VIP 3000 Calibrated Vaporizer O amp M Manual Page 23 Back Go To Table Of Contents MIDMARI lt L Midmark Corporation For contact information go to www midmark com Because we care Midmark Corporation 2009
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