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Objective Due to poor effects of sterilization,low efficiency and inconvenience of field emergency transportation for portable exhaust pressure steam sterilizer,we aimed to design and develop a portable pulse vacuum pressure steam sterilizer in order to effectively improve quality and efficiency of sterilization for sterile medical equipment in disaster and emergency medical treatment.Methods From the beginning of February 2013,we focused on the features of small size,light weight,reliable sterilizing effect and fast speed of sterilization,and conducted series of technology researches,and finally developed portable pulse vacuum pressure steam sterilizer which was suitable for individual carrying or air delivery.Results We performed outdoor sterilization tests for portable vacuum pressure steam sterilizer and portable exhaust pressure steam sterilizer under the same condition.Portable pulse vacuum pressure steam sterilizer achieved a 100％ qualification rate,average sterilization cycle was 28.6min per time,sterilization by weight was 48L/h,average water consumption was 0.4L/boiler,average power consumption was 0.7kw/h per time,and sterilization operation index,maneuverability and transportability were significantly better than those of portable exhaust pressure steam sterilizer.Conclusion The developed 4 portable pulse vacuum pressure steam sterilizer have higher cost performance,and have been successfully applied for medical service training and non-war medical treatment activities in our hospital.
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Objective To design a set of supply water processing system for disinfecting surgical instruments in integrated tertiary hospi-tal,and improve the quality of supply water for the instrument disinfection and control the cost of water. Methods Since October 2012,Wa-ter Disinfection Device for instrument in tertiary hospital CSSD was studied. And a system of integrated production and supply the softened wa-ter,level-one reverse osmosis purified water,secondary reverse osmosis pure water was designed,which can realize a steady supply of disinfec-tion water all the day. The equipment cleaning and instrument sterilization equipment running used softened water,final rinse and disinfection of equipment used level-one reverse osmosis water purification,the instrument sterilization with steam pressure for production used secondary reverse osmosis water purification. Results According to the design scheme,the equipment to supply and product water for integrated surgi-cal instruments disinfection was confirmed by processing water with specification,high efficiency and low cost for nearly three years,which sig-nificantly improved the quality of disinfection supply processing of the surgical instrument. Conclusion Only Focus on supply water for sur-gical instruments disinfection in the tertiary hospital,and improve the quality of the equipment disinfection supplies, which could provide se-curity for clinical medical treatment of sterile equipment.
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Objective As there are difficult problems in surgical puncture needle cleaning and cleaning effect monitoring,we are aiming at finding some reliable solutions through relevant comparative tests. Methods Lumbar puncture needle,bone puncture needle and anesthe-sia spinal needle after clinical use,80 of each kind,were randomly collected and equally divided into the experimental group and the control group. The control group was given traditional lumen surgical instruments cleaning procedure,and the experimental group was given newly cre-ated small lumen instruments manual cleaning procedures. Magnifying glass,self-made instruments monitoring and ATP bioluminescence mo-nitoring were respectively used to verify the cleaning effect. Results All needles were monitored with magnifying glass,self-made instruments monitoring and ATP bioluminescence monitoring after cleaning,and the qualified rate were 98. 33%,97. 00% and 93. 33% respectively in the experimental group while 95. 00%,83. 33% and 78. 33% respectively in the control group. Results of self-made instruments monitoring and ATP bioluminescence monitoring showed that there was no difference between the two kinds of detection methods. Conclusion Newly created small lumen instruments manual cleaning procedures and self-made instruments monitoring were of reliable effect and strong operabili-ty in terms of puncture needle cleaning and cleaning effect monitoring,and they were worthy of further research and application.
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Objective To develop a equipment of vehicular multifunctional water,and the problem of water in disaster medical rescue was solved. Methods According to the features of the field water in earthquakes,floods and other disasters,a kind of disaster relief in the wild integrated production,supplying softening water and water purification technology was created,and a system by the pretreatment system, ion exchange,reverse osmosis systems,and storage and transportation system and other parts of the small truck-mounted multifunctional water treatment equipment was developed. Results The vehicular prototypes of multifunctional water treatment machine was developed,the pond water and river water were tested to prove that the throughput of the equipment in production and supply in the land of disaster relief,the puri-fied water and softening water reached 2 080 L/day and 12 100 L/day,which could meet the conducted large-scale medical treatment de-mand. Conclusion The successful design of the vehicular multifunctional water processor carried out the medical rescue with water prob-lem,and provided a new method and new equipment,which was worthy of popularization and application.
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Objective To create a new drying surgical instruments drying cabinet for the drying equipment with some technical short-comings and without widely used. Methods The air cleanliness,temperature and speed of special properties in the process of drying surgical instruments were study to create a new technology of drying cabinet for surgical instruments with a low cost,advanced features and the maneu-verability. Results A new type of dry prototype for surgical instruments was successfully developed and tested with heating and drying,the average heating time and the shortest processing time under 70 ℃ were 5. 1 min and 15. 6 min,respectively,the average heating time and the shortest processing time under 90℃ were 7. 8 min and 14. 2 min,respectively,which has more advantages than traditional drying equipment. Conclusion The new surgical instruments drying cabinet has a high application value and good prospect of industrialization,which can be the basic equipment for CSSD and operating departments of hospital.
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OBJECTIVE To analyze the cost-effective ratio on sterilized packing material to find out best materials.METHODS The value of 4 kinds of the materials were compared.RESULTS Four kinds of packing materials all had their advantage and disadvantage,in which the value of non woven was the highest.CONCLUSIONS The combination usage of different kinds of packing materials is a better method.
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As an indispensable equipment in modern hospital, medical sterilization equipment plays an important role in infection management. This paper introduces progresses and trends of several usual and novel sterilization equipments to benefit other hospitals.
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Objective To develop a kind of multi-functional cleaning-out device for medical apparatus.Methods Drawing on experience of traditional medical apparatus cleaning techniques by human or machine,a new cleaning-out device was designed.The prototype was made and proofed by series of tests.Results This device has outstanding advantages in producing cost,cleaning quality and cleaning cost.Conclusion This device worth popularizing for its easy-operation and low cost.
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OBJECTIVE To inspect and analyze the cleaning efficacy on surgical instrument after cleaning cycle and maintenance procedures.METHODS The medical instrument was collected from each department based on the weekly usages.Focus on the timing of the cleaning after use and the efficacy of the cleaning methods.Use naked eyes to inspect the cleanness of the medical instrument after each cleaning cycle.RESULTS The combination of the machine washing and manual washing immediately after the surgical procedures provided better cleaning efficacy.It was more difficult to clean the instrument once the dried bio-burden on it or after soaking in the chlorine disinfectant.CONCLUSIONS The correct cleaning methods and instrument care procedures guarantee the cleaning efficacy,disinfections,and the sterilization for the medical instrument.
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As the necessary depletion material in hospitals,sterile packing material shows category diversification when being selected.This paper briefly analyzes the functions and values of domestic common sterile packing material such as pure cotton wrap cloth,hard quality packing container,paper/ plastics packing bag and the crease wrapping paper.Reasonable suggestions are also put forward.
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B-D experiment is the main way to determine the safety of pulsation vacuum sterilization machine, but the positive result by B-D experiment doesn't always result from the error of the machine for too many influencing factors. In this paper, Analysis and verification of positive B-D experiment result are performed, and thus the sterilization machine can be used properly.