Datex-Ohmeda D-Tec, Operation And Maintenance Manual

Page 1: ...D Tec Vaporizer Operation and Maintenance Manual ...

Page 2: ...instructions provided by Datex Ohmeda and by Datex Ohmeda trained personnel The Product must not be altered without the prior written approval of Datex Ohmeda s Quality Assurance Department The user of this Product shall have the sole responsibility for any malfunction which results from improper use faulty maintenance improper repair damage or alteration by anyone other than Datex Ohmeda CAUTION ...

Page 3: ...D Tec Vaporizer ...

Page 4: ...ols And Indicators 6 3 1 Dial Assembly 6 3 2 Auditory And Visual Indicators 6 3 3 2 Operational 7 3 3 3 Agent Level Display 7 3 3 Status Display 7 3 3 1 Warm Up 7 3 3 4 Low Agent Level 8 3 3 5 No Output 8 3 3 6 Alarm Battery Low 8 4 0 Vaporizer Preparation 9 4 1 Fitting The Battery And The Mains Lead 9 4 2 Vaporizer Installation 10 5 0 Operating Instructions 11 5 1 Alarm And Display Test 11 5 2 Pr...

Page 5: ...isplay Test 13 Fig 17 Amber WARM UP Light 13 Fig 18 Green OPERATIONAL Light 14 Fig 19 Turning The Vaporizer Dial 15 Fig 20 Inserting The Bottle 16 Fig 21 Filling The Vaporizer 17 Fig 22 Changing The Battery 19 Fig 23 Vaporizer Schematic 21 7 0 Principle Of Operation Fig 19 18 7 1 Alarm And Indicator Display 18 7 2 Delivery Of Gas Agent Vapor 18 8 0 Fault Diagnosis 20 9 0 Specification 22 9 1 Calib...

Page 6: ...tions and Warnings are preceded by a w symbol and are used to draw attention to a condition which can endanger either the patient or the operator and can result in damage to the equipment Special attention must be paid to each Warning and Caution as it appears in the manual w Warning Do not fill the vaporizer with any substance other than Suprane desflurane as specified on the front label If any s...

Page 7: ...l Direction of flow w Various Warning 2 0 Description 2 1 General The D Tec Vaporizer is designed to add Suprane desflurane inhalant anesthetic vapor to the medical gases supplied to a patient The vaporizer must only be mounted on a Dräger compatible anesthesia machine which is equipped with an interlocking type manifold The vaporizer must be supplied with dry medical gas and it must be connected ...

Page 8: ... non flammable anesthetic agents in the IEC 601 2 13 Standard particular requirements for the safety of anesthesia machines are suitable for use in the presence of this vaporizer w Warning As this vaporizer is not suitable for use with flammable anesthetic agents such as Ether or Cyclopropane the use of antistatic breathing tubes and face masks is not necessary The use of antistatic or electricall...

Page 9: ...ll valve can be inserted in order to fill the vaporizer POWER SUPPLY CONNECTOR BATTERY COVER FILLER ASSEMBLY FILLER PORT FILLER LABEL AA 43 037 AA 43 055 Fig 2 Vaporizer Base Fig 1 Filler Assembly 2 2 3 Drain Plug w Warning Draining the vaporizer may result in rapid loss of pressure and or agent which could lead to injury to the operator A drain plug is located at the base of the vaporizer as illu...

Page 10: ...mp and the two heaters in the upper part of the vaporizer This minimizes the current requirement The casing of the vaporizer is normally warm to the touch while it is connected to the electrical supply 2 2 8 Monitors Electro mechanical monitors are incorporated to monitor the fresh gas agent vapor pressure balance and the agent volume The monitors control the operational status display and activat...

Page 11: ...embly 3 2 Auditory And Visual Indicators Visual indicators and an auditory alarm are used to provide the vaporizer status display and also to indicate an alarm condition as described in Section 3 3 Visual indicators are located on the front display panel illustrated in Fig 4 and the auditory alarm is mounted behind the upper part of the front display panel An auditory alarm mute button located abo...

Page 12: ...e dial can be turned from the q setting when the vaporizer is in the operational mode 3 3 3 Agent Level Display The LCD agent level display consists of a series of bars which indicate the nominal volume of agent in the vaporizer sump The symbol denotes a 390 ml volume of agent and the symbol denotes a 60 ml volume of agent in the sump Fig 6 Operational As the sump fills the first agent level indic...

Page 13: ... while the vaporizer is in use the vaporizer dial must be turned to q This mutes the auditory alarm and illuminates the red light continuously Either an alternative vaporizer or an alternative method of anesthesia must be used If the NO OUTPUT alarm is activated as a result of a power failure and the dial is at q when the power supply is restored the alarm and display test is activated and then th...

Page 14: ...lead must be used to connect the vaporizer to the electrical supply w Warning When routing the mains lead to the electrical supply ensure that it does not interfere with the correct functioning of other equipment The new battery and the mains lead supplied with the vaporizer must be fitted during initial installation as detailed in Instructions 1 2 and 3 therefore Instructions 1 2 and 3 can be ign...

Page 15: ...m vaporizer s ports 2 Install the O rings if necessary as described in the relevant anesthesia machine operation and maintenance manual 3 The locking lever must be set to the unlocked position With both hands hold the main body of the vaporizer in an upright position and lower it on to the plug in system ensuring that the vaporizer ports correctly engage the plug in system port valves To lock the ...

Page 16: ...ing Do not use the vaporizer if during the alarm and display test any one of the five lights and all the LCD agent level indicator bars do not flash or the auditory alarm does not operate for a period of approximately two seconds 2 Verify that the alarm and display test is automatically operated for a period of approximately two seconds as follows a Each light and all the LCD agent level indicator...

Page 17: ...and the green OPERATIONAL light illuminates to indicate that the vaporizer is ready for use 8 If the OPERATIONAL light does not illuminate within 10 minutes refer to Section 8 0 Fault Diagnosis Fig 14 Green OPERATIONAL Light 5 2 Preoperative Checkout 1 Perform the leak test as described in the relevant anesthesia system s Operation And Maintenance Manual initially with the dial at q Repeat the tes...

Page 18: ...tings between q q q q q and 1 w Warning It is a requirement of the ASTM Standard F1850 98 and the European Standard EN 740 Anaesthetic Workstations And Their Modules that the gas monitoring device referred to in Section 2 1 of this manual is in operating condition by being enabled and functioning prior to use of the vaporizer 1 Operate the dial release and turn the dial in a counter clockwise dire...

Page 19: ...t in the vaporizer being over filled w Warning The vaporizer must only be filled when it is connected to the electrical supply This enables the agent level on the agent level display to be observed Do not attempt to fill the vaporizer when the level display indicates that it is full The D Tec Vaporizer must only be filled when it is in an upright position The vaporizer sump can be filled when the ...

Page 20: ... vaporizer sump 7 Hold the bottle in position at the upper stop and fill until the bottle is empty or the indicator on the front display panel indicates that the sump is full ENSURE BOTTLE IS FULLY ENGAGED IN FILLER PORT LIFT BOTTLE UPWARDS TO FILL AB 54 004 Fig 17 Filling The Vaporizer w Warning Grip the bottle firmly while rotating it downwards from the upper stop position to the lower stop posi...

Page 21: ...ion purposes cleaning agents of a surface germicide type should be used In terms of material compatibility cleaning agents which contain the following active ingredients are suitable for use Aldehydes Alcohol Quartenary ammonium compounds w Warning To avoid possible damage to the vaporizer do not use the following compounds as cleaning agents Halogen hydrolysing compounds Strong organic acids Oxyg...

Page 22: ...ery terminals must be firmly clipped onto the battery to help prevent a possible disconnection when the vaporizer is moved 4 Clip the terminals firmly onto a new battery observing the correct polarity and insert the battery into the vaporizer Fit the battery cover to the base of the vaporizer and tighten the securing screw BATTERY COVER SECURING SCREW BATTERY TERMINALS DURACELL 1604 OR VARTA ENERG...

Page 23: ... light is extinguished and the green OPERATIONAL light illuminates to indicate that the vaporizer is ready for use 7 2 Delivery Of Gas Agent Vapor 1 When the vaporizer is ready for use a signal from the electronics 16 operates the solenoid 19 in the interlock mechanism which allows the dial and rotary valve 1 to be turned 2 When the dial and rotary valve 1 are turned a signal from the electronics ...

Page 24: ... LEVEL SWITCH 2 FIXED RESTRICTOR 12 LEVEL SENSOR 3 PRESSURE CONTROL TRANSDUCER 13 SUMP HEATERS 4 PRESSURE MONITOR TRANSDUCER 14 MAINS LEAD 5 HEATER IN VAPOR CONTROL MANIFOLD 15 BATTERY 6 VAPOR CONTROL MANIFOLD ASSEMBLY 16 ELECTRONICS 7 PRESSURE REGULATING VALVE 17 FRONT DISPLAY PANEL 8 SHUT OFF VALVE 18 TILT SWITCH 9 SUMP ASSEMBLY 19 SOLENOID IN THE INTERLOCK BLOCK 10 AGENT 20 HEATER IN THE VALVE ...

Page 25: ...e interlock mechanism of another vaporizer is operative Power failure Tilt Any internal malfunction Agent level 20 ml Let go of the dial release then a Allow the vaporizer to warm up until the green OPERATIONAL light illuminates b If another vaporizer is in use turn the other vaporizer to OFF q Turn the dial to q The vaporizer may red alarm for 10 seconds before going to operational or go through ...

Page 26: ...s less than 20 ml of agent in the sump the NO OUTPUT alarm is activated and the output ceases Alarm battery low If the amber WARM UP light does not extinguish within ten minutes after the vaporizer is connected to an electrical supply there may be an internal malfunction DESFLURANE NO OUTPUT LOW AGENT ALARM BATTERY LOW WARM UP OPERATIONAL DESFLURANE NO OUTPUT LOW AGENT ALARM BATTERY LOW WARM UP OP...

Page 27: ...enotes that the external mains electrical supply must be single phase sinusoidal alternating current 9 3 Performance Concentration Range 1 to 18 Scale 1 graduations from 1 to 10 2 graduations from 10 to 18 Calibrated Flow Range at 21 2 C 0 2 to 10 liters minute Accuracy at 5 liters minute O2 0 5 of delivered agent or 15 Dial Setting whichever is the greater Liquid Capacity 390 ml nominal volume in...

Page 28: ...ure of the basic insulation The rating label denotes the degree of protection against electric shock which is Type B The vaporizer is not protected against ingress of liquids 9 5 Weight And Dimensions Weight 10 kg 22 lb empty Depth 235 mm 9 1 4 inches Width 110 mm 4 3 8 inches Height 235 mm 9 1 4 inches 9 6 Flow Characteristics The graph shows the nominal output of the D Tec Vaporizer at 760 mm Hg...

Page 29: ...antly affected by the temperature variations within the operating range specified in Section 9 3 9 9 Effects Of Back Pressure Fluctuating Back Pressure does not significantly affect the output of the D Tec Steady Back Pressure does not significantly affect the concentration of the agent delivered v v but does increase partial pressure of the agent The increase is in the ratio of total back pressur...

Page 30: ...duct which is shown to Datex Ohmeda s reasonable satisfaction to have been defective following notification to Datex Ohmeda and where requested return of the Product to Datex Ohmeda in accordance with the instructions contained in the Servicing Policy section of the O M Manual within twenty four 24 months of the date of original delivery Without limitation D Tec Vaporizers which i have been altere...

Page 31: ...sembly of certain components 2 Cleaning 3 Inspection for damage and wear 4 Replacement of damaged and or worn components 5 Updating the D Tec Vaporizer as appropriate 6 Calibration check of the D Tec Vaporizer 7 Alarm and safety checks If the equipment is to be transported to the nearest Datex Ohmeda Service Center package the vaporizer and mains cable securely for protection in its original packa...

Page 32: ...it 4 Tilt Switch 5 Contamination 16 Controls And Indicators Auditory And Visual Indicators 6 Current Input 22 D Description General 3 Dial Description 6 Operation 13 Dial Release Operation 13 Drain Plug Description 4 E Electrical Supplies Current Input 22 Power Consumption 22 Voltage Requirement 22 Equi Potential Stud Description 5 F Fault Diagnosis 20 Action 20 21 Alarm Indication 20 21 Possible ...

Page 33: ...oncentration 22 Recommendations IEC 601 3 UL 544 3 S Schematic 19 Service Center 20 Servicing Policy 26 Repairs 26 Warranty information 26 Spare Parts 17 Specification 22 Calibration 22 Effects Of Ambient Temperature 24 Effects Of Back Pressure 24 Effects Of Carrier Gas Composition 24 Effects Of Output At Varied Altitudes 24 Performance 22 Weight And Dimensions 23 Status Display Agent Level Displa...

Page 34: ... 81 3 5763 6850 Fax 81 3 5763 6852 Korea Datex Ohmeda Pte Ltd 10th Floor Sam Sung Building 36 1 Yoido Dong Youngdeungpo Ku Seoul Korea Tel 82 2 786 7421 Fax 82 2 786 7420 Malaysia Datex Ohmeda Pte Ltd Level 2 Bangunan O Connor 13 Jalan 223 46100 Petaling Jaya Selangor West Malaysia Tel 60 3 754 7872 Fax 60 3 757 6948 Singapore Datex Ohmeda Pte Ltd 152 Beach Road 12 05 07 Gateway East Singapore 189...