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Datex-Ohmeda Tec 5, Operation And Maintenance Manual

The Datex-Ohmeda Tec 5 is a reliable and advanced medical equipment, designed for intensive care units. To ensure optimal performance, it is essential to have the Operation and Maintenance Manual on hand. You can easily download this manual for free at manualshive.com, providing comprehensive guidelines for operating and maintaining the Tec 5.

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Page 20

   Tec 5 Vaporizer

August 1999

O & M Manual Part No. 1105-0100-000

With the vaporizer correctly fitted and turned OFF the vaporizer is isolated from the gas flow.

With the vaporizer correctly fitted and turned ON, the gas flow through the vaporizing chamber circuit is
via 

1

 through to 

bl

 and the gas flow through the by-pass circuit is via  

a

  through to  

e

  .

015A T5 OM

Fig. 17  Tec 5 Vaporizer Gas Flow

ROTARY
VALVE

ENRICHED
FRESH
GAS OUT

d

10

COMBINED
FRESH GAS
AND ENRICHED
GAS OUT

11

e

c

THERMOSTAT

VAPORIZING
CHAMBER

b

8

WICK
ASSEMBLY

6

5

7

9

4

a

1

3

2

ON

VAPOUR
CONTROL
CHANNEL

FRESH
GAS OUT

FRESH GAS
BY-PASS

IPPV
COMPENSATING
ASSEMBLY

AA.13.063

Summary of Contents for Tec 5

Page 1: ...Tec 5 Continuous Flow 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: ... a in t e n a n c e r e c o m m e n d a t io n s N e x t s e rv ic e d a te U se O nly Isoflurane 3 4 5 1 8 Lock before use U se O nly Enflurane 1 2 3 4 5 0 8 6 4 2 W a r n i n g K e e p u p r i g h t a t a l l t i m e s S e e m a n u a l f o r O p e r a t i o n a l I n s t r u c t i o n s F a c t o r s a f f e c t i n g p e r f o r m a n c e S e r v i c e a n d m a i n t e n a n c e r e c o m m e...

Page 4: ...orizer Which Incorporates A Keyed Filler 10 4 6 6 Filling A Vaporizer Which Incorporates A Quik Fil Filler 11 4 6 7 Draining A Vaporizer Which Incorporates A Quik Fil Filler 12 5 0 Maintenance 13 5 1 Schedule 13 5 1 1 Every Two Weeks 13 5 1 2 Every Three Years 13 5 2 Cleaning 13 5 3 Contamination 14 5 4 Repairs 14 6 0 Principle Of Operation 15 6 1 Interlock Mechanism 15 6 2 Selectatec Series Mount...

Page 5: ...on Label 4 Fig 2 Vaporizer Mounting Procedure 5 Fig 3 Locking The Vaporizer On To A Manifold 5 Fig 4 Turning ON The Vaporizer 6 Fig 5 Unlocking The Vaporizer From A Manifold 6 Fig 6 Filling A Vaporizer Which Incorporates A Screw Cap Filler 7 Fig 7 Draining A Vaporizer Which Incorporates A Screw Cap Filler 8 Fig 8 Filling A Vaporizer Which Incorporates A Keyed Filler 9 Fig 9 Draining A Vaporizer Wh...

Page 6: ... O M Manual and accompanying labels and or inserts is immediately available to all prospective operators 1 2 Precautions A number of Warnings and Cautions are used throughout this manual to draw attention to the possible hazards and or adverse conditions which may occur if the information and instructions provided are not strictly observed Cautions and Warnings are preceded by a w symbol and are u...

Page 7: ...re extensive repairs is included in the Tec 5 Vaporizer Service Centre Manual which is available only to Authorised Service Centres Warranty repair and service procedures must be performed at an Datex Ohmeda Authorised Service Centre A Datex Ohmeda Service Representative can be contacted at the nearest Datex Ohmeda Field Operations Unit or Datex Ohmeda Authorised Distributor Do not use malfunction...

Page 8: ...f a device malfunction w Warning If the vaporizer has been inverted connect it to a gas scavenging system set the dial to 5 and purge the vaporizer with the carrier gas at 5 litres minute for 5 minutes w Caution Although the vaporizer incorporates an integral non spill system the vaporizer is intended to be operated in its upright position w Caution Turn the Vaporizer OFF when it is not in use 3 2...

Page 9: ... 4 0 Operating Instructions 4 1 General The vaporizer is designed to be used on Selectatec Series Mounted Manifolds The vaporizer can be installed on other Selectatec Manifolds but the interlock system is designed to function on Selectatec Series Mounted Manifolds only Mounting a Tec 5 vaporizer on a Selectatec 7 Compatibility Block is not recommended w Warning It is a requirement of European Stan...

Page 10: ...with the interlock block ports correctly engaged with the manifold port valves w Caution Push the locking lever down to the full extent of its travel before attempting to turn it The mechanism may be damaged if an attempt is made to turn the lever before it is at the full extent of its vertical travel 6 Press down the locking lever 1 to the full extent of its travel and then turn it clockwise 2 to...

Page 11: ...nce with the relevant O M Manual with the vaporizer dial turned to 0 and then repeat the check with the vaporizer dial turned OFF 4 4 Turning ON The Vaporizer Note Do not attempt to turn the dial if the vaporizer is not properly locked on to the manifold 1 Pull in the dial release illustrated on Fig 4 and rotate the dial counter clockwise Note that it is not possible to turn ON the vaporizer if an...

Page 12: ...tions from the upright position do not affect either the output or the safety of the vaporizer but because the agent depth is shallow in relation to the diameter of the vaporizing chamber more frequent checks of the agent level should be performed to avoid a misleading impression of the amount of agent in the vaporizer when small deviations from the upright position occur At intervals ideally not ...

Page 13: ...Vaporizer Which Incorporates A Screw Cap Filler w Caution Do not allow a bottle to become completely full during draining procedures The vaporizer must only be drained into a properly marked container as follows 1 Remove the filler cap and insert the hexagonal end of the cap into the drain plug situated below the filling port on the filler body as illustrated on Fig 7 2 Position a properly marked ...

Page 14: ...adaptor firmly on to the bottle 2 Ensuring that the bottle 1 is held below the level of the end of the bottle adaptor and below the level of the filler port insert the end of the bottle adaptor into the filler port 2 as illustrated on Fig 8 3 Tighten the locking clamp by pulling the locking clamp lever forward and downward 3 until the bottle adaptor is clamped w Caution When it is set correctly th...

Page 15: ...s The vaporizer must only be drained into a properly marked container as follows 1 Position the bottle below the level of the filler port and insert the end of the bottle adaptor into the filler port 1 as illustrated on Fig 9 2 Tighten the locking clamp by pulling the lever forward and downward 2 until the adaptor is clamped 3 Open the filler port valve by pulling the lever forward to its full ext...

Page 16: ...e bottle filler nozzle keys 3 with the index slots 4 in the filler block as illustrated on Fig 10 3 Press the agent bottle fully into the vaporizer filler block Allow the liquid to flow into the vaporizer until the maximum level mark is reached paying particular attention to the level in the sight glass and the air return bubbles flowing into the bottle 4 Release the bottle when the vaporizer is f...

Page 17: ...ex slots in the drain funnel 1 with the bottle filler nozzle keys 2 and screw the drain funnel onto the empty bottle as illustrated on Fig 11 3 Fully insert the drain funnel into the keyed drain slot 3 in the bottom of the vaporizer filler block 4 Unscrew the drain plug 4 with the key 5 Continue to drain the vaporizer until empty 5 After draining is complete tighten the drain plug to minimise the ...

Page 18: ...s are serviced every three years irrespective of conditions of use The vaporizer should be serviced at an Datex Ohmeda authorised Service Centre This service includes the following 1 Complete disassembly of components 2 Thorough cleaning 3 Inspection for damage and wear 4 Renewal of wicks seals and damaged or worn components 5 Where appropriate replacement of discontinued parts with more up to dat...

Page 19: ...partly filled with an incorrect agent or any other contaminant water for example proceed as follows 1 Drain the vaporizer and discard all liquid 2 Return the vaporizer to a Service Centre stating if possible the type of contaminant used 5 4 Repairs Repairs must only be performed by the Manufacturer s Service Representatives ...

Page 20: ...rt valve actuating spindles which actuate the Selectatec Manifold port valves to allow fresh gas to flow through to the vaporizer 3 The vaporizer percentage control dial release which allows the dial to be turned to select the required percentage Turning the control dial to OFF automatically reverses the operating sequence which allows the dial release to move out to lock the dial in the OFF posit...

Page 21: ...d to open the port valves so that carrier gas can flow through vaporizer A VAPORIZER A INTERLOCK EXTENSION ROD EXTENDED TO PREVENT THE POSSIBILITY OF TURNING ON VAPORIZER B VAPORIZER B INTERLOCK EXTENSION ROD EXTENDED ACTUATING SPINDLE VAPORIZER B VAPORIZER A INTERLOCK EXTENSION ROD RETRACTED INTERLOCK EXTENSION ROD RETRACTED When two vaporizers are locked on to a manifold and both are turned OFF ...

Page 22: ...urned OFF therefore both port valves to which vaporizer B is connected are closed so that the carrier gas flows through the manifold by pass circuit to vaporizer A TO COMMON GAS OUTLET VAPORIZER A VAPORIZER B ISOLATED FROM FLOWMETERS MANIFOLD BY PASS Fig 15 Manifold By pass Circuit Vaporizer A is turned ON therefore both port valves to which vaporizer A is connected are open so that carrier gas fl...

Page 23: ...its gas flow Surrounding this helical wick is a woven outer wick which extends below the helical wick into the liquid agent The amount of agent picked up in the vaporizing stream can vary due either to variation in room temperature or to the cooling which takes place when the agent is vaporized Variation of either temperature or cooling rate can cause changes in the vapour pressures of the anaesth...

Page 24: ...ection varies the relative proportions of gas flowing through the by pass and vaporizing chamber circuits as described in Section 6 3 FROM FLOWMETER FLOW CONTROL VAPOUR CHANNEL VAPORIZING CHAMBER THERMOSTAT SHUT OFF OPEN ROTARY VALVE TO COMMON GAS OUTLET Fig 16 Vaporizer Flow Schematic Diagram 6 4 3 Vaporizing Chamber Circuit The fresh gas flow through the vaporizing chamber illustrated on Fig 17 ...

Page 25: ...flow through the vaporizing chamber circuit is via 1 through tobl and the gas flow through the by pass circuit is via a through toe 015A T5 OM Fig 17 Tec 5 Vaporizer Gas Flow ROTARY VALVE ENRICHED FRESH GAS OUT d 10 COMBINED FRESH GAS AND ENRICHED GAS OUT 11 e c THERMOSTAT VAPORIZING CHAMBER b 8 WICK ASSEMBLY 6 5 7 9 4 a 1 3 2 ON VAPOUR CONTROL CHANNEL FRESH GAS OUT FRESH GAS BY PASS IPPV COMPENSA...

Page 26: ... 1 3 2 ISOFLURANE DIAL SETTING 5 4 1 5 0 2 10 15 3 5 4 3 2 1 0 6 7 0 Performance 7 1 Performance Curves 7 1 1 Isotec 5 Effect of Flowrate at 21 2 C with oxygen flowing 002A T5 OM Flowrate litres minute oxygen Effect of Temperature at 5 litres minute oxygen flow 003A T5 OM Temperature C 0 2 35 25 20 1 2 0 15 3 4 5 ...

Page 27: ...f Flowrate at 21 2 C with oxygen flowing 004A T5 OM Flowrate litres minute oxygen Effect of Temperature at 5 litres minute oxygen flow 005A T5 OM Temperature C 4 0 2 1 2 3 5 4 HALOTHANE DIAL SETTING 5 3 2 1 0 5 10 15 1 0 6 0 2 5 4 3 2 1 0 HALOTHANE 15 20 25 30 35 4 5 DIAL SETTING 3 2 1 0 6 0 2 ...

Page 28: ... of Flowrate at 21 2 C with oxygen flowing 006A T5 OM Flowrate litres minute oxygen Effect of Temperature at 5 litres minute oxygen flow 007A T5 OM Temperature C 3 5 4 3 2 1 0 6 0 2 5 4 2 1 0 1 15 0 2 ENFLURANE DIAL SETTING 5 10 4 3 2 1 0 6 0 2 DIAL SETTING 5 5 4 3 2 1 ENFLURANE 0 20 15 25 30 35 ...

Page 29: ...Flowrate at 21 2 C with oxygen flowing 008A T5 OM Flowrate litres minute oxygen Effect of Temperature at 5 litres minute oxygen flow 009A T5 OM Temperature C 5 4 3 0 0 2 5 4 0 2 1 15 10 5 2 0 6 1 1 2 DIAL SETTING SEVOFLURANE 3 5 4 2 1 3 DIAL SETTING SEVOFLURANE 0 2 15 20 25 30 35 0 0 6 1 2 3 4 5 ...

Page 30: ...21 2 C with oxygen flowing 024A T5 OM Flowrate litres minute oxygen Effect of Temperature at 5 litres minute oxygen flow 023A T5 OM Temperature C 3 0 6 0 2 1 2 7 6 5 4 8 DIAL SETTING 8 7 6 5 4 3 2 1 0 SEVOFLURANE 20 30 25 35 0 6 0 2 2 1 5 10 15 1 0 2 3 4 5 6 7 8 1 4 3 5 6 8 7 SEVOFLURANE DIAL SETTING 0 2 15 ...

Page 31: ...izer is set to deliver 2 at 6 litres minute total gas input flowrate then the approximate rate of consumption 3 3 x 2 x 6 39 6 ml hour The figures are approximate and are intended for general guidance only 7 2 2 Temperature The effects of variation in temperature are normally negligible at commonly used combinations of dial setting and ambient temperature If the vaporizer temperature is above the ...

Page 32: ...are observed at combinations of very low flowrates and low dial setting with large and rapid pressure fluctuations The effects become progressively less important as the dial setting and flowrate increase and the magnitude and rate of cycling of the pressure fluctuations decrease 7 2 6 Carrier Gas Composition Small effects on the output can occur when the carrier gas composition is changed These e...

Page 33: ... test conditions test methods and detailed protocol in conjunction with training experience and quality auditing systems For these reasons the full programme necessary to help to ensure that a vaporizer complies with Datex Ohmeda specifications cannot practicably be carried out in a field situation The following points must be considered when any measurements are being carried out on vaporizers to...

Page 34: ...sure that the vaporizer is at least half full and has been at an ambient temperature of 21 2 C for at least three hours 2 With the vaporizer securely mounted drain the vaporizer as detailed in Section 4 6 and after draining ensure that either the drain plug and the filler cap are both securely tightened or the port valve is fully closed and the locking clamp is in the up position as appropriate 3 ...

Page 35: ... retained by the wick system 75 millilitres nominal 5 Vaporizer The amount of liquid to fill the vaporizer from the minimum to the maximum mark 170 milliliters nominal 8 Vaporizer Sevotec The amount of liquid to fill the vaporizer from the minimum to the maximum mark 137 milliliters nominal 10 4 Weight And Dimensions Weight Height Depth Width 7 0 Kg 250 mm 164 mm 110 mm 10 5 Environmental Conditio...

Page 36: ...r than by Datex Ohmeda or other than in accordance with written instructions provided by Datex Ohmeda or altered by anyone other than Datex Ohmeda or if the Product has been subject to abuse misuse negligence or accident Datex Ohmeda s sole and exclusive obligation and the Buyer s sole and exclusive remedy under the above warranties is limited to repairing or replacing free of charge at Datex Ohme...

Page 37: ...06 Japan Tel 81 3 5763 6801 Fax 81 3 5763 6838 Datex Ohmeda K K Technical Center TRC A Bldg AE 4 8 6 1 1 Heiwajima Ohta ku Tokyo 143 0006 Japan Tel 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 Petalin...

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