博文

目前显示的是 三月, 2022的博文

INTRODUCTION OF MEDICAL GLOVES

Medical gloves are suitable for non-sterile operations with high-risk contact with blood or body fluids, protective gloves involving the operation of sharps, handling cytotoxic substances and disinfectants. Medical gloves can be divided into medical sterilized gloves and non-sterile medical gloves according to the nature of their work. Non-sterile medical gloves are divided into cleaning and inspection gloves and housekeeping gloves. Surgical sterilization gloves: sterile single use. It is mainly used for operations requiring high sterility. Cleaning inspection gloves: clean non-sterile, one-time use. . Housekeeping gloves: clean and reusable. Requirements for the use of medical gloves 1. According to the needs of different operations, choose the appropriate type and specifications of medical gloves; 2. When contacting the patient’s blood, body fluids, secretions, excreta, vomit and contaminated items, clean gloves should be worn; 3. Sterile medical gloves should be worn when performin

WORKING PRINCIPLE AND STRUCTURE OF MEDICAL MASK

  As medical workers, medical masks are our indispensable two-way protective equipment. Before the medical operation, you must wear a medical mask, and some even require that you wear a medical mask during the round. The protective effect of medical masks is directly related to the choice of medical masks, whether to wear medical masks correctly, and the fit of the mask to the face. Medical masks belong to the second category of medical devices, most of which are self-priming filter masks. Its working principle is to filter the air containing harmful substances through the filter material of the medical mask before being inhaled or exhaled by people. Working principle of medical mask filter material 1. Diffusion deposition: Brownian motion of particles diffuses to the filter fiber, and is absorbed by the attraction of molecules. It is the easiest to capture small-scale particles, fine fibers and particles moving at low speed. 2. Retentive deposition: The larger particles moving with th