Comweld Twin-O-Vac User Manual
Contents
1. cylinder valve is turned on and that the regulator gauge indicates the contents Block the end of the metal suction inlet nipple and slowly open the suction control knob fully counter clockwise Observe that suction pressure builds up gradually and that the gauge pointer does not stick at any position on the dial Check that adequate maximum suction is generated when the control knob is fully open See specifications Section 10 0 If the suction reading is low recheck that the jar is tight that the jar and washer are in good condition and that the gauge connection is tight 76 Suction Operation Turn off the suction control clockwise and check that there is no flow at this setting Listen for the hiss of escaping oxygen at the venturi outlet If oxygen continues to flow contact your local service centre Attach the appropriate suction tubing and catheter or handpiece to the suction inlet nipple Adjust the suction control knob counter clockwise restrict the suction tubing by hand and select the desired suction flow The vacuum gauge will indicate the suction level developed by the Twin O Vac 77 Oxygen Administration The Twin O Vac provides dual oxygen supply facilities from a single oxygen pipeline outlet or fixed pressure cylinder regulator The oxygen outlets are self sealing fittings which will accept flowmeters or other standard oxygen administration equipment If connected to a cylinder regulator ensure that the2. of the Twin O Vvac If the outlet is blocked a positive pressure could be delivered to the patient Do not allow liquid in the Twin O Vac jar to fill past the 400 ml level Always empty the Twin O Vac jar before removing the unit from the oxygen source If the bacteria filter becomes wet from the liquids in the jar the available suction pressure will be seriously restricted Always fit a new bacteria filter to the Twin O Vac after use with each patient 4 0 PARTS IDENTIFICATION VACUUM GAUGE OXYGEN INLET p Handwheel SS connects to oxygen pipeline or i p lt lt GAUGE ADAPTOR regulator outlet OXYGEN OXYGEN OUTLET OUTLET JAR SEALING lt lt SUCTION INLET NIPPLE Patient Connecti WASHER it Patient Connection BACTERIA FILTER x __ RECEIVER JAR Figure 1 5 0 PRINCIPLE OF OPERATION Suction The oxygen source gas is controlled by a needle valve which permits adjustable flows to be directed to a venturi Flow through the venturi generates a negative pressure in the jar which is transferred via suction tubing to a catheter or handpiece A bacteria filter is fitted in the Twin O Vac head and all entrained air is discharged via this filter Oxygen Outlet The source gas is supplied to two self sealing outlet valves which are opened automatically by the attachment of therapy equipment Oxygen flows are not controlled on the Twin O Vac itself but are instead con
3. that are considered to be user replaceable parts It is recommended that the user keep stock of items such as filters o rings and the sealing washer to ensure that the Twin O Vac is quickly replenished after any items are used Item Part No O ring oxygen inlet SIS handwheel 552088 10 Pack O ring gauge adaptor 515754 Kit Sealing washer for jar 515754 Kit Receiver Jar 400 ml 554024 Gauge Vacuum 100kPa 522501 Bacteria Filter Millipore AAWP03700 Pack of 100 554050 100 Pack 8 0 CLEANING AND DISINFECTION The Twin O Vac and its accessories must be thoroughly cleaned after each use When cleaning use only legally marketed commercially available disinfectants or sterilising agents Disinfectants and sterilising agents must only be used in accordance with their manufacturers instructions The exterior of the Twin O Vac should be cleaned by wiping over with a mild soap solution Care should be taken that none of the cleaning solution enters the gas passages of the Twin O Vac Note 1 For all cleaning and sterilisation procedures the vacuum gauge and the bacteria filter must be removed After sterilisation a clean dry bacteria filter should be fitted 2 Always sterilise the domed metal filter cover 3 Do not immerse the Twin O Vac head in any fluid 4 The use of chemical disinfectants is not recommended 8 1 Autoclaving The Twin O Vac may be autoclaved but repeated applications may reduce the life of the prod
4. COMWELD MEDICAL THERMADYNE Comweld Group Pty Ltd ABN 56 007 226 815 71 Gower Street Preston Victoria Australia 3072 Customer Service amp Technical Support Line Ph 61 3 9474 7314 Fax 61 3 9474 7391 In the interest of continuous improvement COMWELD GROUP Pty Ltd reserves the right to change the specifications or design of any of its products without prior notice The symbol letters COMWELD GROUP MEDICAL PRODUCTS and the product names printed in CAPITAL LETTERS are Registered Trade marks Part No Issue No Date 521512 05 301 TWIN O VAC SUCTION THERAPY UNIT OPERATING INSTRUCTIONS TABLE OF CONTENTS 1 0 2 0 3 0 4 0 5 0 6 0 70 8 0 9 0 10 0 11 0 12 0 INTRODUCTION GENERAL DESCRIPTION SAFETY PRECAUTIONS PARTS IDENTIFICATION PRINCIPLE OF OPERATION OPERATIONAL CHECK EQUIPMENT APPLICATION CLEANING AND DISINFECTION USER MAINTENANCE SPECIFICATIONS SERVICE RECOMMENDATIONS WARRANTY PAGE 10 11 11 1 0 INTRODUCTION These instructions are intended to provide users with information on the features use and care of the Twin O Vac Suction Therapy Unit It is important that these instructions are read and fully understood by every intending user before any attempt is made to use the Twin O Vac on a patient 2 0 GENERAL DESCRIPTION The Twin O Vac is a venturi actuated suction unit which features two self sealing oxygen supply sources to facilitate multip
5. andby suction unit Ward Routine airway aspiration Paediatrics Neonatal Ward The adjustable suction control in conjunction with the suction gauge makes the Twin O Vac ideally suited to infant applications Use low suction unit for this application 72 Items Supplied with the Twin O Vac Millipore Filter Receiver Jar Adaptor for Vacuum Gauge Vacuum Gauge Operating Instruction Manual 73 Installation of Vacuum Gauge Check that the gauge adaptor rotates freely and that the o ring is seated in its groove inside the base of the adaptor Insert the vacuum gauge into the adaptor holding the gauge so that the face points to the front of the Twin O vac or the best position for viewing Tighten the adaptor onto the gauge by turning counterclockwise Note Use only finger pressure to tighten the adaptor onto the gauge as the o ring will seal against the gauge inlet Do not use tools to tighten To change the angle of the gauge at any time loosen the adaptor turn the gauge and re tighten the adaptor 74 Connecting Twin O Vac to Oxygen Supply Ensure that the suction control knob is turned off fully clockwise and connect the handwheel to an oxygen pipeline or fixed pressure regulator Turn handwheel clockwise Tighten the handwheel firmly but do not use excessive force or any tools because the o ring will form an effective seal 75 Suction Check If connected to a cylinder regulator ensure that the
6. cylinder valve is turned on Attach a flowmeter to the self sealing oxygen outlet Open the flowmeter flow control and check that operation is satisfactory through the full range of flows Repeat this action on the second self sealing oxygen outlet if dual administration is required A Twin O Vac fitted with two flowmeters humidifier suction tubing and catheter Figure 3
7. is will provide more detailed checks of internal components such as the venturi and suction control valve assembly 12 0 WARRANTY Comweld Group Pty Ltd warrants the purchaser that this equipment is free from defects in material and workmanship for a period of six years from the date of purchase conditions apply 10 0 SPECIFICATIONS TM117G TM118 518632 518633 Inlet Pressure 400 kPa 50 psi 400 kPa 50 psi Inlet Connection SIS DISS SIS DISS Outlet Connection Suction Tubing connection nominal 8mm LD 5 16 LD Outlet Connection Oxygen SIS DISS SIS DISS Developed negative 400 350 150 200 150 200 pressure aan min min min min setting mmHg Free air displacement L min 16 4 16 16 Gas consumption L min 22 20 22 20 NOTE SIS Sleeve Indexed System as per AS2896 DISS Diameter Indexed Safety System as per CGA V 5 CGA Compressed Gas Association The following specifications apply to all models Capacity Receiver Jar Large 400 ml 10 3 0 SAFETY PRECAUTIONS The Twin O Vac should only be used if all of its parts are in good condition When using the Twin O Vac and accessory equipment ensure No smoking naked flames or sources of ignition nearby Use no oil or greases Open cylinder valve slowly and fully Turn off cylinder valve when not in use Keep cylinders cool Do not dump or drop cylinders Do not block the suction venturi outlet located at the rear
8. le therapy applications The Twin O Vac may be connected directly to an oxygen pipeline or a cylinder regulator with a pre set delivery pressure Flowmeters and other accessories should be ordered separately A vacuum gauge fitted to the head of the Twin O Vac indicates the vacuum generated by the unit Two basic models are available one with a high suction capability up to approximately 400 mmHg 53 kPa and the other with a lower suction performance pre set to provide a maximum of 200 mmHg 26 kPa Suction Control Knob Nylon plastic colour coded yellow Oxygen Flow Performance Minimum flow rate from oxygen outlets 125 L min Bacteria Filter A Standard Millipore brand filter number AAWP03700 0 8 micron acts as a bacteria filter between the jar contents and room air Nominal diameter 37mm 1 7 16 Other Materials Head Casting anodised aluminium Suction valve brass Venturi brass Jars High heat polyphthalate carbonate Handwheels Colour coded Nylon plastic with brass insert Outlet Connections Chrome plated brass Weight Twin O Vac without gauge 620g Twin O Vac with gauge 720g 11 11 0 SERVICING RECOMMENDATIONS A Twin O Vac is a piece of life saving emergency equipment To ensure that the unit is always in a reliable useable condition it is recommended that the unit be placed on a preventative maintenance program every 6 to 12 months depending on usage with your local service centre Th
9. trolled via the added therapy equipment such as a flowmeter Each service is independent of the other therefore one or two oxygen applications can be carried out in addition to one suction application See Figure 2 HOLDING CLIP 6 0 OPERATIONAL CHECK Remove the Twin O Vvac plastic jar and turn the lid upside down Remove the domed filter cover plate by swinging the clip to one side and check that a clean dry bacteria filter has been installed The filter consists of two parts a thin filter disc which is placed against the wire mesh screen and a thicker backing disc which is placed on top of the filter Figure 2 9 1 Twin O Vac Accessories Listed below are some of the accessories suitable for use with the Twin O vac It is recommended that if any other accessories are intended to be used with a Twin O Vac your nearest authorised distributor should be contacted to check the compatibility of the accessory Description Series O Oxygen Regulator Type 10 Handwheel inlet SIS Outlet Series O Oxygen Regulator Pin Index Yoke inlet SIS Outlet EZI FLOW Oxygen Flowmeter 0 15 l min SIS Handwheel Inlet EZI FLOW Oxygen Flowmeter 0 2 5 l min SIS Handwheel Inlet Flowmeter Gauge Type 0 14 I min SIS Handwheel Inlet Humidifier 1 4 BSP female Inlet Suction Tubing Suction Catheter Suction Handpiece Part No 518800 518804 515800 515824 TM17 TMt1 9 2 User Replacement Parts Listed below are the items
10. uct Remove the vacuum gauge Autoclave temperatures must not exceed 134 C 280 F 8 2 Ethylene Oxide After thorough cleaning in accordance with standard hospital procedures the Twin O Vac may be disinfected in ethylene oxide gas After disinfection ensure that adequate purging and aeration is carried out before placing the unit back into service 9 0 USER MAINTENANCE At monthly intervals carry out the following checks 1 Inspect for cleanliness 2 Check that a clean dry filter is fitted and that filters are being changed regularly 3 Check that inlet and outlet connections are tight Check that the gauge connection is tight If loose fittings are discovered contact your local service centre 4 Carry out the checks described in Sections 6 0 and 75 of this manual Replace the filter cover over the backing disc and slide the clip into place Check that the sealing washer for the plastic jar is in place and is undamaged Replace the plastic jar and screw up tightly to avoid leaks Check the pressure gauge to ensure that the pointer reads zero when there is no suction present Check the condition of the inlet and outlet gas specific connectors Check for any other damage that may have occurred to the Twin O Vvac especially the condition of the collection jar 70 EQUIPMENT APPLICATION 71 Applications Emergency Resuscitation carts Portable Resuscitation kits In the event of a power failure as a st
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