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Thermo Scientific ST75920-33, Руководство по эксплуатации

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24

Sterilization Procedures

Materials Appropriate For Steam
Sterilization

• Straight stainless steel instruments

• Surgical stainless steel hinged
instruments

• Pouches of instruments

• Carbon steel instruments (see special
preparation instructions)

• Air powered instruments made to be
autoclaved

• Needles

• Syringes

• Treatment trays

• Heat resistant plastic items

• Rubber gloves

• Heat resistant rubber tubing

• Heat resistant rubber sheeting

• Glass slabs and beakers

• Gauze

• Sutures

• Linen packs

• Liquids, non-clinical

• Other heat-resistant, immersible items

Always check with the manufacturer of your supplies for

specific instructions for sterilization

.

Warning

Do not attempt to sterilize volatile
or toxic substances. Serious injury
or death could result.

Caution

Do not attempt to sterilize any
object composed of materials
which cannot withstand high tem-
peratures (135°C or greater).

Содержание ST75920-33

Страница 1: ...Sterilemax Table Top Steam Sterilizer Operation Manual Series 1277 LT1277X1 5 23 07 Serial Number Model Numbers Voltage ST75925 120V ST75920 33 220V ...

Страница 2: ...2 Sterilemax Table Top Sterilizer ...

Страница 3: ...Adjustment 20 Display Parameter Setup 21 Setting Month Date Year Hour Minute 21 Changing Temperature Units 22 Changing Pressure Units 22 Changing Printer Mode 23 Sterilization Procedures 24 Materials Appropriate For Steam Sterilization 24 Instrument Cleaning Prior To Sterilization 25 Preparation of Carbon Steel Instruments 26 Preparing Items for Sterilization 26 Loading the Sterilizer Chamber 31 H...

Страница 4: ...s Display or Operation 45 Power Failure During Sterilizing Cycle 45 Problem Solving Chart 46 Maintenance Schedule Chart 48 Maintenance 49 Daily Maintenance 49 Weekly Maintenance 49 Monthly Maintenance 50 Emptying Collection Bottle 51 Cleaning Non Recirculating Water Cooling Tank 52 Changing Door Gasket 53 Figures 54 Parts List 57 Ordering Procedures 59 Decontamination Statement 59 One Year Limited...

Страница 5: ...pped instruments packs liquids test tubes petri dishes and media The optional Impact printer provides a permanent record of actual exposure times and temperatures General Usage Do not use this equipment for any purpose other than its intended use described in this manual Warning Do not use this equipment for any purpose other than its intended use described in this manual Do not use the sterilizer...

Страница 6: ... Do not attempt to open sterilizer door until the display reads Cycle Complete Pressure within the cham ber could cause the door to open with extreme force possibly causing personal injury 7 Ensure that the sterilizer is cool before cleaning to avoid burns 8 Pressurized steam will be discharged when the relief valve is opened To prevent burns place a steam barrier such as a rolled towel around the...

Страница 7: ...n of chamber components use distilled or low quality deionized water only Clean chamber after each use if sterilizing saline solutions 14 Processing goods at less than recommended time temperature could result in unsterile goods 15 Reprocess your load when the sterilizing cycle has been terminated prematurely The load may not be sterile when the sterilizing cycle has been terminat ed prematurely 1...

Страница 8: ...es such as anes thetics A fire or explosion could occur 21 Never use a wire brush steel wool abrasive mate rial or chloride containing products to clean door and chamber assembly 22 Use a process monitor in every cycle to ensure exposure to minimum sterilizing conditions Use a biological indicator once a week to verify your ster ilization process 23 Dental handpieces should be run only on optional...

Страница 9: ... X 18 30 5 x 45 7 Shipping Weight 85 lbs 38 5 kg Electrical Heater Power 1500 W Power requirements 120V 50 60 Hz 12 5 Amps 220V 50 60 Hz 6 5 Amps Standards ASME UL cUL to UL3101 1 Reservoir Water Distilled or low quality deionized Max 1 5 Megohm cm Min 5 Megohm cm Mounting Benchtop only Controls Fixed Cycles Liquid Packs Wrapped Unwrapped Optional Cycle Note You can examine the pressure vessel rat...

Страница 10: ... use Part I General Requirements Safety EN 61010 1 Safety requirements for electrical equipment for measurement control and laboratory use Part I General Requirements EN EIC 61610 2 010 Part II Particular requirements for laboratory equipment for the heating of materials EN61010 2 041 Part II Particular requirements for autoclaves using steam for the treatment of medical materials and for laborato...

Страница 11: ...ized to provide excellent results for most applications In addition there is one optional cycle that allows you to set your own sterilization parameters You access the pre pro grammed cycles by pushing one of the four green fixed cycle buttons The four preset sterilization programs are Unwrapped Goods For unwrapped instruments and items made of metal glass or plastic Parameters 3 minutes at 135 C ...

Страница 12: ... e g a d n a b s h t o l c d e p p a r W d e p p a r w y l e s o o l s c i r b a f s d a p f o s r e y a l s t n e m u r t s n i l a u d i v i d n i y b d e t a r a p e s s t n e m u r t s n i e s o o l f o s y a r t d e p p a r w c i r b a f n i s t n e m u r t s n i s t n e m u r t s n i r e b b u r t n a t s i s e r t a e h s g a b r o f s m e t i r e h t o y n A g n i b u t s i s e t u n i m 0...

Страница 13: ...ton See Operational Programs Optional Cycle Yellow This parameter allows you to select different time and tem perature levels for your cycles than those provided with our preset programs An optional cycle can be run as either a liq uid or hard goods cycle All material run in this cycle must be validated by the user Up Down Arrows Yellow These allow you to set the time and temperature in an option ...

Страница 14: ...while there is pressure in the chamber Finally there is a backup catch which will prevent the door from opening fully even if there is a small amount of pressure in the chamber You release this catch with a lever which is located in the lower left side of the door To fully open the door pull the door release lever toward you Optional Non Recirculating Tank The optional non recirculating tank is us...

Страница 15: ...e unit The drain assembly attaches to the drain connector so a hose can be attached for draining the steriliz er reservoir into a container Trays and Tray Rack A rack for the inside of the sterilizer is provided to hold the instrument trays The rack slides out of the chamber to allow periodic cleaning of the chamber and rack Three large trays and one small tray can be placed into the rack or the r...

Страница 16: ...overhang ing cabinet above it Overhangs should not project more than 8 204mm over the rear of the sterilizer Surroundings If the sterilizer will be operated continuously locate it in an area where its steam emissions will not damage equipment or materials Unpacking Remove the sterilizer carefully and inspect it for any shipping damage Do not throw away packing materials until you inspect the unit ...

Страница 17: ...nsure that the circuit is rated for the load See Electrical Specifications 1 Connect power cord to power entry module on back of unit 2 Plug power cord into a grounded outlet of the appropriate voltage and load rating Optional Printer See section Optional Printer for installation startup and operation INSTALLATION Warning Connect only to an electrical cir cuit of the appropriate voltage and load r...

Страница 18: ... a quarter turn with a wrench f Attach the other end of the discharge hose to the fitting on the lower left rear of the non recirculat ing cooling tank Follow the same procedure as steps d and e above Caution Be sure connection nut is started straight Cross threading will cause leaks and dam age the nut and fitting Improper Discharge Hose Connection Discharge Hose Connection Optional Non Recircula...

Страница 19: ...ption must be installed before proceeding Filling Cooling Tank Caution The non recirculating tank cooling tank must be connected to the sterilizer before filling with distilled or deionized water Caution Do not operate sterilizer unless the non recirculating tank is filled with distilled or deionized water and attached to the sterilizer Full mark Collection Bottle Fill with distilled or deionized ...

Страница 20: ...adjustment value 1 At the Select Cycle screen press the Select key and then the up arrow key The sterilizer will display a Configuration Info screen then it will automatically change to displaying the Change Time screen 2 At the Change Time screen press the Select key and then the Liquids key 3 At the Altitude Adjustment screen press the up arrow to select Yes 4 At the Current Altitude screen pres...

Страница 21: ...the current twenty four hour clock hour Press the Start key when the current hour is set 7 At the Change Minute screen press the up or down arrow key to set the current minute Press the Start key when the current minute is set 8 At the Change Temperature Units screen press the down arrow key to select No 9 At the Change Pressure Units screen press the down arrow key to select No 10 At the Change P...

Страница 22: ... screen press the DOWN ARROW KEY to select NO and return to the Select Cycle screen Changing Pressure Units To change the units in which the chamber pressure is displayed on the digital display and the printer tape PSI BAR or KPA 1 From the Select Cycle screen press the Select key and then the up arrow key 2 Wait for the sterilizer to display the Change Time Screen Press the down arrow key to sele...

Страница 23: ...r optional printers from USED UNUSED 1 From the Select Cycle screen press the Select key and then the UP ARROW key 2 Wait for the Change Time screen Press the DOWN ARROW key to select NO 3 The sterilizer will then display the Change Temperature screen Press the DOWN ARROW key to select NO 4 At the Change Pressure Units screen press the DOWN ARROW key to select NO 5 At the Change Printer Mode scree...

Страница 24: ...istant plastic items Rubber gloves Heat resistant rubber tubing Heat resistant rubber sheeting Glass slabs and beakers Gauze Sutures Linen packs Liquids non clinical Other heat resistant immersible items Always check with the manufacturer of your supplies for specific instructions for sterilization Warning Do not attempt to sterilize volatile or toxic substances Serious injury or death could resul...

Страница 25: ...Inspect to ensure that all debris has been removed Repeat cleaning as necessary If distilled or deionized water is unavailable and instruments are rinsed in tap water instead all instruments should be dried before sterilizing to prevent staining 5 Refer to manufacturer s recommendations for lubri cating instruments after ultrasonic cleaning Use a silicon lubricant which will not interfere with ste...

Страница 26: ...nutes 2 Remove the instruments and package them for sterilization or place on trays if sterilizing unwrapped Do not rinse or wipe instruments prior to sterilization Preparing Items for Sterilization General Preparation Guidelines 1 Clean items thoroughly before placing them in the sterilizer Follow good laboratory or medical proce dures for cleaning and decontamination of items 2 Place absorbent p...

Страница 27: ...ainers are placed so that they will drain or they will not dry sufficiently to ensure sterilization STERILIZATION PROCEDURES Caution Do not mix different metals in the same pack or wrapping or loose on the same tray Instrument dam age will result Appropriate Wrapping Materials for Steam Sterilization Partial List Muslin 2 layers Nylon bagging material Commercial autoclave paper must be as permeabl...

Страница 28: ...rning Do not wrap packs tightly and do not over fill autoclave bags Steam must penetrate through entire pack Inadequate sterilization may result from improper packaging Do not seal with staples pins or other methods which will puncture the wrapping material If wrapping material is punctured sterility can not be assured once items are removed from the sterilizer cham ber Do not overload the trays O...

Страница 29: ...ll or fold textile products Place in commercially prepared packages or wrap in 2 to 4 layers of muslin or other appropriate wrapping material Seal with autoclave tape or heat sealer Surgical Gloves Disposable gloves should not be sterilized Clean and dry gloves Place a piece of muslin or other STERILIZATION PROCEDURES Warning Do not seal with staples pins or other methods which will puncture the w...

Страница 30: ...75 full User must follow proper safe ty procedures and sterilization monitoring procedures for the optional cycle Every optional cycle should be validated by the user Dental handpieces should be run at 132 C for 10 minutes STERILIZATION PROCEDURES Caution Do not use detergents with a high chlorine or phosphate content or chlorine bleach when laundering items prior to sterilization Damage to instru...

Страница 31: ...7 Use a process monitor in each load We also rec ommend that you use a biological indicator at weekly intervals An indicator containing Bacillus stearothermophilus is the proper indicator for steam sterilizers STERILIZATION PROCEDURES Warning Use only self venting automatic sealing stoppers when processing liquids or media Use of other stoppers or seals or lack of stop pers will create the possibi...

Страница 32: ...he instruments must be considered potentially unsterile and should be re sterilized prior to use Re sterilize all wrapped packages and packs after one month in storage STERILIZATION PROCEDURES Warning Sterilizer and trays will be hot after cycle is run Always wear protective gloves and apron when removing a processed load Protective gloves and apron should also be worn when reload ing sterilizer f...

Страница 33: ...monitoring device will provide immediate indication of expo sure to temperature and of time in the presence of humidity steam Trays Place a process monitor in the center of each wrapped or unwrapped tray of loose items Wrapped Instruments Place a process monitor inside each package with an instru ment Wrapped Packages of Instruments Place a process monitor in each package Packs Place a process mon...

Страница 34: ... of Hospitals recommends that biological indicators be used at least weekly to check the effective ness of your steam sterilizer s sterilization cycle When testing the effectiveness of a sterilization cycle use the appropriate worst case test load described for the cycle in this section Unwrapped Instruments Place 100 instruments on a perforated tray lined with a 100 cotton surgical towel Place a ...

Страница 35: ...ouches Place a biological indicator together with a surgical instru ment into a self sealing pouch Place the pouch with the indicator in the middle of the tray Place four other surgical instruments into pouches and place them on the tray Place the tray in the center rack of the sterilizer chamber Optional Cycle For Dental Handpieces Only Place a biological indicator together with one dental hand p...

Страница 36: ...liters 5 3 quarts at a time to the reservoir The water level should never be higher than the fill line Do not overfill You may determine a refill schedule dependent upon the pattern of operation at you facility The number of cycles you can run before the reservoir needs to be filled will vary according to your frequency of operation duration between cycles type of cycles etc Warning Keep patients ...

Страница 37: ...ycle information will be changed automatically Details of Operation Prepare Load Follow preparation instructions on pages 27 31 Load the Sterilizer Chamber You may load wrapped or unwrapped instruments linen packs glassware and liquids Follow loading instructions on page 33 Close the Sterilizer Door The door must be fully closed to run a sterilizing cycle If the door is not fully closed the steril...

Страница 38: ...riate drying you can change the drying time setting when the display prompts you Use the up or down arrow to adjust the displayed dry ing time until your desired drying time is displayed Press Start Cycle Processing will run automatically after you press Start Cycle Drying Sterilized Loads At the completion of the sterilization cycle turn the lock ing handle counter clockwise until the door is hel...

Страница 39: ...ply 3 Turn the printer ON 4 Turn the sterilizer ON The printer should print Barnstead Thermolyne Sterilemax Software Version X XX XX 5 If the printer does not print heading verify the Printer Mode is set to used See Changing Printer Mode 6 Turn the sterilizer off and then back on to verify the printer prints out Barnstead Thermolyne Sterilemax Software Version X XX XX 7 The printer is now ready to...

Страница 40: ...oll as follows 1 Turn the printer ON and open the cover 2 Make sure the edge of the paper roll is straight 3 Insert the paper roll into the printer See Figure C 4 Insert the paper straight into the paper slot see Figure D The paper will feed automatically 5 Tear off a strip of paper and close the cover The red PAPER OUT light will be OFF if paper roll installation is successful Printer Operation T...

Страница 41: ...urrent date and time the notation Cycle Started and column headers During the cycle the printer will print the elapsed time the current chamber temperature and the current chamber pres sure at one minute intervals along with a status notation When you press Start Cycle the printer will print the num ber of cycles that have been run since the unit was turned on the current date and time the notatio...

Страница 42: ...ating that the sterilizer is venting At the end of the vent phase the printer will print Venting Cycle Completed and instructions for starting the drying cycle There is no printout during the drying cycle Printer Record Storage To ensure the long term legibility of your records it is important that you keep your printed tapes in a dry cool dark place ...

Страница 43: ...lapsed time since cycle started Chamber Temperature Chamber Pressure Current status of the cycle Exact point at which sterilization phase begins Elapsed time increments by minutes from start of sterilization phase Instructions for drying End of cycle Vent Phase Exposure Phase Heatup Phase Printer Mode is USED Version X XX XX Sterilemax Barnstead Thermolyne Software version number prints when you t...

Страница 44: ...nit Hot Reset as described under Resetting the Mechanical OTP Sensor in Service Manual Emergency Off Cycle Abort Pressing the Stop button will immediately terminate steriliza tion Allow the sterilizer to cool and press the Stop button again to reset the sterilizer Drain excess water from the ster ilizer chamber Proceed with a new sterilization cycle normal ly When terminating a load pressing the S...

Страница 45: ...lightening storm or even a static electrical charge carried by operating personnel Abnormal operation or displays are not common occur rences and may never happen No damage to the equipment will occur if such an event should happen If an abnormal condition should occur terminate any pro cessing cycle in process Press Stop Reset the sterilizer by turning the power switch on the front right corner o...

Страница 46: ...o T e u D d e l i a F e l c y C n o i t i d n o C e r u t a r e p m e T e u n i t n o C o T P O T S s s e r P e h t n i e r u t a r e p m e T e r o m d e p p o r d r e b m a h c 1 n a h t e h t w o l e b C d i u q i l a n i t n i o p t e s 5 n a h t e r o m r o e l c y c C e l c y c r e h t o y n a n i n o t t u b P O T S e h t s s e r P o t r e b m a h c w o l l a n i a r d l o o c d n a e z i r ...

Страница 47: ... t r e b m a h c w o l l a t r a t s e R e z i r u s s e r p e d a f o t n e v e e h t n I e l c y c l l a c t l u a f f o n o i t i t e p e r d a e t s n r a B e c i v r e S r e m o t s u C d e t r o b A e l c y C s d a e r y a l p s i D e c i v e D P T O o t u A o T e u D t i n u f f o t u h s P O T S s s e r P t e s e r o t r e w o p n o r o s n e s e r u t a r e p m e T d e h c a e r s a h r e...

Страница 48: ...oor Gasket User Clean Chamber User Weekly Clean Chamber Trays and Rack User Monthly Check Pressure Relief Valve Qualified Service Personnel Clean Reservoir User Yearly Temperature Readout Verification Qualified Service Personnel As Required Install Paper Roll User Changing Door Gasket Qualified Service Personnel ...

Страница 49: ...ket or mating surface The gasket should be examined for cracks and dam age that could result in a poor pressure seal If replacement is necessary refer to Gasket Replacement under the When Required heading of this Maintenance section Cleaning After Liquid Loads Biological media tends to boil at a higher rate than other liq uids during venting This causes media to be spattered inside the chamber The...

Страница 50: ...re line in the back of the unit and is accessed through a round access hole in the back panel A suitable tool screwdriver rod etc will be needed to test the pressure valve 1 Run a sterilize cycle at 135 C 275 F without a load in the chamber 2 Allow the pressure in the chamber to reach 30 psi 206 kPa 3 Insert a suitable tool through the access hole and push the lever on the pressure relief valve Pu...

Страница 51: ...ion bot tle Failure to empty the bottle will result in water overflowing onto sur rounding surfaces Waste Water Cooling Tank Collection Bottle From Sterilizer Optional Overflow Drain Emptying Collection Bottle 1 Empty the collection bottle when the water in the bottle reaches the FULL mark 3 Slide the bottle away from the cooling tank to remove 4 Pour the contents down the drain ...

Страница 52: ... 3 4 cup and dis tilled or deionized water 1 gal Drain solution and rinse with distilled or deionized water before refilling Refill the tank with clean distilled or deionized water to put the system back in service Cleaning Non Recirculating Water Cooling Tank Warning BURN HAZARD Do not clean the tank when the sterilizer is in opera tion Allow the non recirculating cool ing tank to cool to room te...

Страница 53: ...m soapy water combination to lubricate the gasket for easier installation 4 Working around the door from one point insert the outer edge of the gasket under the machined lip of the gasket groove in the door 5 Working around the door from one point press the inner edge of the gasket into the gasket groove ensuring that the gasket is fully seated in the groove 6 Reconnect the sterilizer to the power...

Страница 54: ...lizer Component Layout Interior Power Supply Board With Sheild Cover On Off Switch underneath Reservoir Cover Door Release Door Handle Membrane Panel Main Control Board Pump Power Module OTP PC Board Solenoid PC Board ...

Страница 55: ...55 FIGURES Sterilizer Component Layout Chamber and Door Trays Rack Door Interlock Reservoir Drain Door Switch ...

Страница 56: ...ket Sterilizer Component Layout Top View Solid State Relay OTP Mechanical Relay Pressure Relief Valve Calibration Port Temperature Sensor Fan Vent Solenoid Insulation Reservoir Pressure Transducer Insulation Support Bracket Door Switch ...

Страница 57: ... ELX9 ELX10 Gasket Chamber GS759X4 GS759X4 Relay Solid State RYX34 RYX34 PC Board OTP PC1118X2 PC1118X2 Tray Large TY759X2A TY759X2A Tray Small TY759X3A TY759X3A Door Switch SW1118X1 SW1118X1 Membrane Panel SW759X3 SW759X3 Water Reservoir TY759X1 TY759X1 Safety Latch SF759X1A SF759X1A Shaft Ass y Main Door Latch SF759X2A SF759X2A Pressure Pin Door SP759X1 SP759X1 2 Handle Yoke Assembly HNX18 HNX18...

Страница 58: ...c dealer from whom you purchased this unit or can be obtained promptly from the factory When service or replacement parts are needed we ask that you check first with your dealer If the dealer cannot handle your request then contact our Customer Service Department at 563 556 2241 or 800 553 0039 Prior to returning any materials please contact our Customer Service Department for a Return Materials A...

Страница 59: ...any product or component sent for repair or credit that is contaminated with or has been exposed to potentially infectious agents or radioactive materials No product or component will be accepted without a Return Materials Authorization RMA number ...

Страница 60: ...ncluding use inconsistent with written operating instructions for the product mishandling contamination over heating modification or alteration of the product by any customer or third party or iii use of replacement parts that are obtained from a party who is not an authorized dealer of Thermo Scientific products Heating elements because of their susceptibility to overheating and contamination mus...

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