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Tec 5 Vaporizer

Page 15

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

August 1999

6.0

Principle Of Operation

6.1

Interlock Mechanism

The vaporizer locking lever, illustrated on Fig. 12, is interlocked with the vaporizer percentage control dial in
such a way that the control dial release, located at the rear of the dial, cannot be actuated until the vaporizer
locking lever is in the locked position.

With the vaporizer locking lever in the locked position the dial release can be pressed in towards the dial to
operate the interlock mechanism which simultaneously actuates the following:

1.

The interlock extension rods, which extend to minimise the possibility of adjacent vaporizers being
turned ON.

2.

The two port 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 position, closes the manifold port valves and vents the vaporizer gas
connecting ports and retracts the extension rods to allow an adjacent vaporizer to be turned ON.

Turning the locking lever to the unlocked position releases the vaporizer allowing it to be removed from the
manifold.

PERCENTAGE
CONTROL DIAL

PORT VALVE
ACTUATING
SPINDLE

SELECTATEC
SERIES
MOUNTED
MANIFOLD

CONTROL DIAL
RELEASE

VAPORIZER
LOCKING LEVER

PORT
VALVES

PORT
VALVES

EXTENSION
ROD

Fig. 12 Vaporizer Interlock Mechanism

AA.13.020

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Содержание Tec 5

Страница 1: ...Tec 5 Continuous Flow Vaporizer Operation and Maintenance Manual ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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 ...

Страница 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...

Страница 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...

Страница 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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