Abstract: Objective to explore the multi-enzyme cleaning agent soak with super.Cleaning and disinfection effect of sonic cleaning medical instruments. Method Will be non-special infection medical device Mechanical15 0Pieces are divided into observationGroup75 Piece, ControlGroup75 Piece, control grouptoSoak in multi-enzyme cleaning agent 5mi n The manual brushing method was used; the observation group was soaked with multi-enzyme cleaning agent and then cleaned with ultrasonic wave.Automatic disinfection cleaning machine cleaning, the two groups of medical equipment cleaning effect was observed. Results Observation group medical deviceXie QingWashResidue of dental instruments after disinfection 1.33, Non-dental instruments and luminal instruments without residue, control groupDon't 1 0. 67 %,9. 33%,1 0. 67%, There are differences between the two groups.meterlearning significance ( P < 0. 05 ) ; Observation group after cleaning and disinfection of medical equipment visual monitoring quality qualified rate

98. 67%,   control group86.  67%,   No significant difference between the two groups

(P<0.05),   Observation group bacterial culture method monitoring qualityQualified rate of quantity98. 67%, with the control group 80. 00 %compared, The differences between the two groups arestatistical significance(P <0. 05 ). knotOn the cleaning and disinfection of medical instruments by multi-enzyme cleaning agent immersion   Bubble with ultrasonic cleaning method can improve the quality of cleaning, reduceLess residual residue, worthy of promotion.

Key words: medical instruments; cleaning and disinfection; ultrasonic cleaning; multi-enzyme detergent immersion

CLC No: R187Document identification code: A

Article Number: 1005-8257 (2017) 02-0013-02

Cleaning and disinfection of medical devices is to control iatrogenic infection

In the past, most of them adopted automatic cleaning disinfector washing, although the work efficiency is high, but its cleaning effect is not ideal. In order to improve the washing quality of medical equipment and prevent the occurrence of cross infection in the hospital, the introduction of ultrasonic cleaning machine, Some scholars have found[  I]  ,   Ultrasonic cleaning machine with multi-enzyme cleaning agent immersion can achieve better results, the two can complement each other, improve the quality of cleaning. In order to further explore the feasibility of multi-enzyme cleaning agent soaking combined with ultrasonic cleaning method in actual operation, the author studies the application of multi-enzyme cleaning agent soaking combined with ultrasonic cleaning method and manual brushing method after soaking multi-enzyme cleaning agent for medical devices, which are reported as follows.

1. data and method

1. 1 General InformationNon-specific infectious medical devices150 Participate in the study, are used after smudge more medical.Instruments, including knife handle, hemostatic forceps, dressing bowl, handShear scissors, bent plate, camera, etc. Randomly divided into observation group75  Piece, control group75Piece, Blood Contamination Process of Two Groups of Medical DevicesThere was no significant difference in degree and device type. (P >0.05 )  ,Comparability exists.

1. 2MethodMaterials： Shandong XinhuaQXtype ultrasonic cleaning

Washing machine, full-automatic cleaning and disinfecting machine; Ruvov non-foaming multi-enzyme cleaning agent.

Methods: The control group of medical equipment with multi-enzyme cleaning  agent immersion5minAfter,Clean with hand brush; Brush in the flow

Scrub the grooves, various surfaces and joints of the instrument under moving water, and brush the lumen instrument with a pipeline brush until the instrument is clean under visual inspection, and then flush with purified water. Wash8- 15s ,Lubricant use30sPost-thousand drying ovenDry.

In the observation group, the medical equipment was soaked with multi-enzyme cleaning agent.

5min,   Then put into the ultrasonic cleaning machine cleaning, followed by automatic cleaning disinfector standard procedure cleaning, and then disinfection, drying.

1. 3 Observation indicatorsremnants of cardiac devices, respectivelyRemaining of dental instruments, non-dental instruments and lumen instrumentsThe remaining residue is observed. @ Record the cleaning and disinfection quality of two groups of medical instruments, which were monitored by visual method and bacterial culture method respectively. Visual method: the surface of the instrument and joints are free of stains, blood stains, rust spots, etc.; Bacterial culture method:Wipe the equipment tooth groove, joint and other parts with cotton swab5    Above all, place the cotton swab in the eluent test tube and send it.  Inspection,Eluent esophageal electrokinetic oscillation80after times,aseptic suctionTube Suction1ml ,  inoculated in nutrient agar Petri dishes, 37 °Clower culture48h ,  colony count,s;20c fu/cMine is qualified.

1. 4 statistical processingAll data are selectedSPSS19.0software processing,Counting data takenx2 Inspection,Rate

（%) indicates, The difference is statistically significantForP

< 0.05.

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2. Results

1. 1 Analysis of Residue after Disinfection and CleaningObservation group medicalInstrument cleaningResidue of dental instruments after disinfection1.33 ,Non-dental instruments and luminal instruments without residue, control group Respectively10.67% ,9.33% ,10.67% ,two groups differenceThe difference is statistically significant (P <0.05) ,See schedule1.

2. 2 The most contrast after cleaning and disinfectionObservation group medicalMonitoring Qualified Rate of Quality Prison by Visual Method after Instrument Cleaning and Disinfection

98.67%, control group86.67%,No significant difference between the two groups(P<  0.05)  ,  Observation group bacterial culture method to monitor the quality of the mostQualified rate98.67%,with the control group 80.00%Compared, twoGroup differences were statistically significant (P  <0.05)  ,   See schedule

2.

3. Discussion

Before medical devices are sterilized, ensuring thorough clearance is the prerequisite for ensuring the sterilization effect. Because the reusable surgical instruments will remain pus, blood or tissue after use, it is difficult to clean thoroughly after organic substances are attached, and it is easy to form biofilm, which will affect the infiltration of disinfection and sterilization media. When cleaning medical devices, it is necessary to eliminate organic matter and bacteria and reduce the biological load, thus improving the disinfection and sterilization quality. In the past, the main choice was automatic cleaning and elimination.Poison machine cleaning and disinfection, its work efficiency is high, but in addition to removing large areas of microorganisms on the surface of the instrument, it is difficult to effectively clean the cavity, groove and other cleaning blind areas of the instrument,Further affect the killing effect of pathogenic microorganisms[3 ]. It can be seen that the quality of cleaning and disinfection of medical devices is a key link to ensure medical safety.

Some scholars have found[  4 1        ,                 Post-bloodstain detection instruments

After soaking in multi-enzyme cleaning agent and then cleaning can improve the cleaning effectfruit. Enzymes are divided into single enzymes and multi-enzymes, and single enzymes only decompose proteins.dirt, while the multi-enzyme can be mucopolysaccharide, protein, carbohydrate

14 Capital Food and Medicine2017Year2second half of the month

Compounds, fats, etc. are decomposed. multi-enzyme cleaningThe use of the agent is not affected by water quality, water temperature and other factors,.High security, canReduce damage to items[5 ]. But...

This study showed that the residual residues of medical devices in the observation groupsignificantly lower than the control group (P <0.05) ,prompt, shouldIt is difficult to use a multi-enzyme cleaner with a fully automatic cleaning and disinfection machine.Completely eliminate the surface residue, the cleaning effect is not ideal; And the use of ultrasonic cleaning machine after soaking in multi-enzyme cleaningClean, can improve the selling effect and reduce the residual rate.

Ultrasonic cleaning machine is through the ultrasonic generator

High-frequency circulation, converted to high-frequency mechanical oscillation and spread the cleaning fluid, strong ultrasonic through the cleaning fluid to the medical device to produce object radiation, forming."Cavitation" phenomenon, thus forming a strong air pressure impact, so that the surface of the object dirtFull decomposition, stripping, in order to achieve the purpose of cleaning gas. Enzyme cleaning agent soak can decompose part of the dirt, with ultrasonic cleaning can make the dirt in the object gap is completely decomposed, Right.ComplicatedInstrumentsThere is a significant clear selling effectFruit[7]  .  There are scholarsthink[8 ]'For medical devices with complex or organic matter residues, the application of multi-enzyme cleaning agent combined with ultrasonic cleaning can improve the cleaning quality and reduce the degree of disinfection and sterilization. This study showed that the observation group after cleaning and disinfection pass rate was significantly higher than

control group (P < 0.05) ,with the results reported in the above studiesMatch[ 9 ][   10   ][11]  .

Comprehensive above, multi-enzyme cleaning agent immersion with super. Sonic cleaning machine cleaning medical equipment can reduce biological residuesto improve the cleaning of the star, to control iatrogenic infection, Reducing the cost of sterilization and disinfection is of great value and worth pushing.Wide.

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