Interpretation of medical isolation clothing standard _ patient

Original title: Interpretation of medical isolation clothing standard Guided reading "The epidemic came suddenly, and all kinds of protective equipment are very tense!"! 'You Can wear it protective suit, and I can wear an isolation suit! ' This is a report from Dahe Network. The report mentioned that in order to save protective materials and ensure that every medical staff in the fever clinic can wear protective suit every day, head nurse Xu Weina never wore protective suit when she entered the fever clinic. She wore an isolation suit, a mask and a round hat. This article interprets the relevant standards of medical isolation clothing, and makes a simple comparison between isolation clothing and protective suit. 1. What is a medical isolation suit? There is no national or industry standard for medical isolation clothing. Medical isolation clothing is defined in ASTM F3352-19 as protective clothing (apparel) used to protect medical staff, visitors and patients from the transfer of microorganisms and body fluids in the case of patient isolation. Medical gowns can also be used to protect visitors in the medical environment. According to the Centers for Disease Control and Prevention's Isolation Prevention Guidelines, medical isolation gowns are worn to protect the arms and exposed body areas of healthcare workers during surgery and patient care activities when contact with clothing, blood, body fluids, secretions, and feces is anticipated. Medical isolation gowns are widely used in intensive care units (ICU) of general hospitals, infectious disease departments and infectious disease hospitals. At present, there are two kinds of medical isolation gowns in clinical use: disposable and non-disposable. Disposable medical isolation clothes are expensive, and a large number of them will cause great waste. Non-disposable medical isolation clothing has many problems: the collar, cuff and abdomen are easy to be contaminated, which reduces the use time of medical isolation clothing; the cuff, back and bottom have defects in design,KN95 Face Mask, which easily contaminate the work clothes of workers; the production material is not waterproof. Studies have shown that there are many factors that cause nosocomial infection, among which the direct contact route of infection is that medical staff and accompanying personnel infect patients with their own pathogenic microorganisms or infectious substances through contact transmission, while medical staff wearing medical isolation clothing can effectively prevent and control the occurrence of nosocomial infection. 2. What does the medical isolation suit isolate? Medical gowns are specified in ASTM F3352-19 to protect healthcare workers, patients, and visitors from blood, body fluids, and other potentially infectious substances during patient care or patient treatment. The main emphasis here is on blood and body fluids, and there is no mention of viruses transmitted through the air, such as the novel coronavirus. "360 ° coverage" is specified in ASTM F3352-19 to ensure at least complete coverage of the arms and the front, Full Body Disposable Coverall ,free shipping disposable coverall, sides, and back of the body from the knees to the neck, excluding the neck, during exercise. We can see that the protective range of medical isolation clothing is from the knee to the neck (excluding the neck), rather than covering the whole body from head to foot, and the head, neck, hands and feet are not within the protective range. Expand the full text 3. What is the difference between medical isolation clothing and protective suit? Medical isolation clothing is a kind of protective equipment for medical staff to avoid contamination by blood, body fluids and other infectious substances, and also to protect patients from infection. Contact with patients with infectious diseases after contact transmission, such as patients with infectious diseases and patients infected with multi-drug resistant bacteria; implement protective isolation for patients, such as patients with extensive burns and patients with bone transplantation; prevent from being infected by splashing of blood, body fluids, secretions and excretions of patients. In a word, medical isolation clothing is used for patients with tight isolation, contact isolation and protective isolation. Medical and nursing protective suit are medical staff disposable protective articles worn by patients with infectious diseases who are in contact with Class a or managed according to Category A infectious disease. Contact with patients with infectious diseases transmitted by air and droplet transmission may be splashed by patients'blood, body fluids, secretions and excretions. But this kind of patient is not very serious, just general infection. Fig. 1 Sample of Isolating Clothes (see AAMI PB70-2012) Fig. 2 Physical object of medical isolation clothing Fig. 4 Photo of one-piece protective suit 4. What are the levels of medical isolation clothing? The core performance of medical isolation clothing is the barrier performance, which conforms to the three levels specified in ANSI/AAMI PB 70. Table 1 Requirements for Barrier Properties and Physical Properties of Disposable and Reusable Medical Gowns Performance Material Type Test Method AAMI PB 70 4 Grades Level 1 Level 2 Level 3 Level 4 Barrier properties All AATCC 42 ? 4.5 G ? 1.0 G ? 1.0 G N/A All AATCC 127 N/A ? 20 cm ? 50 cm N/A All F16 71/F16 71M N/A Pass Tensile strength All D5034 ? 30 N ? 30 N ? 30 n ? 30 n Tear Strength Woven Nonwovens, Films, Nonwovens and Film Composites D5587 D5733 ? 10 N ? 10 N ? 10 N Joint strength All D1683/D1683M ? 30 N ? 30 N ? 30 N According to ANSI/AAMI PB70, the Acceptable Quality Level (AQL) is 4% and the Rejected Quality Level (RQL) is 20%. 5. What are the design requirements for medical isolation clothing? 5.1 Medical gowns shall be designed to meet the barrier performance requirements of ANSI/AAMI PB70. 5.2 For medical gowns and other garments intended for use in isolation applications, the critical area shall include the entire garment, including seams, but excluding cuffs, skirts, and wraps, and shall have a barrier property of at least Class 1. The manufacturer shall provide for each critical area component 5.3 To ensure 360 ° coverage, medical gowns, when worn in the correct size,KN95 Face Mask with Five Layers, should be designed to ensure at least complete coverage of the arms and the front, sides and back of the body from the knees to the neck (excluding the neck) during movement. 5.4 Medical gowns intended for repeated use shall have a means of recording or marking the number of cycles, or an area (or areas) on the medical gowns where the operator may use his own means of recording or marking the number of cycles. The recording area shall be visible and readable by the wearer. Source | China Institute of Standardization website Author | Yu Gang Return to Sohu to see more Responsible Editor:. zjyuan-group.com

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