Attività

“A surgical mask, also known by other names such as a medical face mask or procedure mask, is a personal protective equipment used by healthcare professionals that serves as a mechanical barrier that interferes with direct airflow in and out of respiratory orifices (i.e. nose and mouth). This helps reduce airborne transmission of pathogens and other aerosolized contaminants between the wearer and nearby people via respiratory droplets ejected when sneezing, coughing, forceful expiration or unintentionally spitting when talking, etc. Surgical masks may be labeled as surgical, isolation, dental or medical procedure masks. The dust blocking efficiency of face mask is based on its blocking efficiency against fine dust, especially respiratory dust below 2.5 microns. Because the dust with this particle size can directly enter the alveoli, it has the greatest impact on human health. The dust blocking principle of gauze mask is mechanical filtration, that is, when the dust collides with the gauze, it passes through layers of barrier to block some large particles of dust in the sand cloth. For some fine dust, especially dust less than 2.5 microns, it will pass through the mesh of gauze and enter the respiratory system. The dust mask is composed of filter material activated carbon fiber felt pad or non-woven fabric. Those respiratory dust less than 2.5 microns are isolated in the process of passing through this filter material to filter air.

The anti side leakage design of mask is to prevent air from being inhaled through the gap between mask and human face without filtering. Air is like water flow. It flows to where the resistance is small. When the shape of the mask is not close to the face, the dangerous objects in the air will leak from the non close place and enter the human respiratory tract. Well, even if you choose a mask with the best filter material. Nor can it protect your health. Many foreign regulations and standards stipulate that workers should regularly test the tightness of masks. The purpose is to ensure that workers choose masks of appropriate size and wear masks according to the correct steps. For the filter material of a good protective mask, the following three conditions should be met: first, the filter efficiency is high when the mask is well sealed with the user’s face, second, the respiratory resistance is small, and third, the user feels comfortable. There are a variety of materials such as ordinary woven fabrics and animal dust masks. What is very popular in the national standard is a kind of activated carbon felt material. The structure of gauze mask has poor tightness with human face. Many fine particles that do great harm to us will enter the respiratory tract and lungs through the gap between mask and face. Its filter material is generally some mechanical fabrics. The only way to achieve high dust prevention efficiency is to increase the thickness, and the negative effect of increasing the thickness is to make users feel great respiratory resistance and uncomfortable. The electrostatic treated non-woven fabric can not only block large dust particles, but also the electrostatic charge attached to its surface can adsorb the fine dust through electrostatic attraction, so as to achieve high dust prevention efficiency. The thickness of the filter material is very thin, which greatly reduces the respiratory resistance of users and feels comfortable, so as to meet the three necessary conditions of good filter material mentioned above. With good filter material and scientifically designed mask structure, an efficient and high-quality mask is formed.

Disposable face masks are made of more than three layers of 28g non-woven fabrics; The bridge of the nose is made of environment-friendly all plastic strip, which does not contain any metal. It is equipped with breathable and comfortable. It is especially suitable for electronic factories and daily life. Disposable mask (medical surgical mask) can prevent respiratory tract infection to a certain extent, but can not prevent haze. When purchasing, it should be noted that the mask with the words “”medical surgical mask”” clearly marked on the outer package should be selected. Disposable three-layer mask is made of two layers of non-woven fabric and filter paper; The disposable three-layer mask is made of two layers of fiber non-woven fabric professionally used for medical and health, with an additional layer in the middle. The filter spray cloth with more than 99% bacteria prevention is welded by ultrasonic. The bridge of the nose adopts environment-friendly all plastic strip, which does not contain any metal. It is equipped with steam permeability and comfortable. The filtering effect of b.f.e is up to 99%, especially suitable for electronic factories; The disposable activated carbon mask is made of 28g non-woven fabric on the surface and 99% bacteria proof filter paper on the first layer in the middle, which plays a role in preventing bacteria and virus harm; The second layer in the middle is made of new high-efficiency adsorption and filtration materials – activated carbon fiber and activated carbon cloth, which has the effects of anti-virus, anti odor, bacterial filtration and dust prevention; The disposable mask is made of environment-friendly full plastic nose bar, and the nose clip design can be adjusted most comfortably according to different face shapes. The inner covering ultrasonic spot welding is selected, and the ear belt can be very firm and not easy to fall.

Protective gloves are used to protect hands from injury. In medical treatment, it is mainly used for medical examination, isolation and protection. There are mainly medical examination gloves, sterile medical gloves, medical X-ray protective gloves, etc. There are many kinds of protective gloves. The medical protective gloves series include inspection gloves, sterile medical gloves, medical X-ray protective gloves, etc. Sterile medical gloves belong to medical polymer materials and products. Ordinary sterile medical rubber gloves are used in the hospital operating room. The disadvantages of these gloves include: different production processes and too little talc powder coating; It is laborious for doctors with large hands; Most preoperative hand washing do not use alcohol to soak, but use disinfectant to smear the arm. After applying the disinfectant, the arm becomes astringent. When wearing gloves, the cuff on the back of the hand is easy to reverse, so that the back of the glove is in contact with the skin, which may cause pollution and fail to meet the sterility requirements.

The types of protective clothes include fire protection clothing, industrial protective clothing, medical protective clothing, military protective clothing and protective clothing for special groups. Protective clothing is mainly used in fire protection, military industry, shipping, petroleum, chemical industry, painting, cleaning and disinfection, laboratory and other industries and departments. According to the protective function, it is divided into health protective clothing, such as radiation proof clothing, cold proof clothing, heat insulation clothing and antibacterial clothing; Safety protective clothing, such as flame retardant clothing, flame retardant protective clothing, arc protective clothing, anti-static clothing, bulletproof clothing, stab proof clothing, aerospace clothing, diving clothing, acid proof clothing and insect proof clothing; Work clothes to keep the wearer healthy, such as oil proof clothes, dust-proof clothes and water repellent clothes. The structure of protective clothing has the characteristics of anti permeability, good air permeability, high strength and high hydrostatic pressure resistance. It is mainly used in industrial, electronic, medical, chemical and bacterial infection prevention environments. In addition to meeting the wear requirements of high strength and wear resistance, it often varies due to different protection purposes and protection principles, from natural materials such as cotton, wool, silk and lead, synthetic materials such as rubber, plastic, resin and synthetic fiber, to contemporary new functional materials and composites, such as impact resistant Para aromatic polyamide and high strength and high modulus polyethylene fiber products, oil repellent fluorine-containing compounds and radiation resistant polyimide fibers, Antistatic agglomerated acrylic fiber, complex copper fiber, antibacterial fiber and related odor resistant finished fabrics.

Syringe is a common medical appliance. As early as the 15th century, the Italian cartiner put forward the principle of syringe. It mainly uses a needle to extract or inject gas or liquid. It can also be used to inject medical equipment, containers, such as scientific instruments in some chromatography through rubber diaphragms.

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