Several kinds of special medical film profile

Thin film is widely used in medical field, the common medical film including PP bag film, medical tube bag film, bag film, instrument stretch bottom film, PVC membrane dialysis bag etc. There are some medical film, rare in the medical, but the same nutrition to our daily life. Below we will introduce three kinds of medical specialty film for your reference. 1. Burn skin graft plastic film burns treatment often need to patients with skin graft, and the skin graft materials mainly three kinds of common, namely animal raw materials, synthetic foam polyurethane film, plant raw materials. And synthetic foam polyurethane film synthetic technology was adopted to realize, so the future application prospect of promotion is the largest, less affected by the material supply, in addition to the foam polyurethane, general PVC and nylon material also can be applied to the skin graft absorption layer. Generally the double-deck skin graft film, in order to prevent the liquid evaporation and bacteria invasion, membrane outer density is higher, and the thickness of the skin graft is not uniform. Skin graft of foamed polyurethane pore distribution density per square centimeter of about 200 ~ 300, to regulate the number of layers of inner hole and size. Name structure component of composite skin graft burn skin graft double-layer structure, elastic porous skin graft, by 0. 005-0. 01 mm top and soft nylon fabric composition at the grassroots level is the combination of hydrophilic components and elastic silicon thin film silicon layer, polyurethane as the underlying double synthetic graft, elastic porous skin grafts. Thickness of 0. 2 mm polyurethane layer, PP for upper synthetic burn skin graft on the gauze grassroots single skin graft, all the big hole, flexible polyurethane synthetic moderate wound skin graft anticorrosive double skin graft, main floor is polyurethane, aperture 0. 1 to 0. 5 mm, upper layer thick 0. 1mm。 Polyurethane no damage skin graft on the weaving of nylon base of large porous skin graft polyamide generally burn skin graft requires the following functions: absorb wound exudate, including metabolic product and toxic substances; In the wound and provide the best water, air and heat exchange between air; Against intrusion wounds received the bacteria in the air. 2. Antimicrobial properties medical functional membrane generally antimicrobial properties medical film is mainly for medical instruments and medical materials packaging or save, generally according to the requirements of raw materials, production process and antibacterial, antibacterial function mainly divided into the following several kinds of membrane & middot; Add silver zeolite membrane generally catalyzed zeolite in a certain environment to produce reactive oxygen species, usually of silver zeolite with mixing co-extrusion blown film or polyethylene or polypropylene LiuYanFa production. · Add or bacteriostatic agent film coated antibacterial antibacterial antibacterial agent is divided into absorbent and released sex two kinds, absorbent antibacterial antibacterial agent contained moisture absorption agent, it can absorb the moisture inside the packet to reduce the humidity in the bags to inhibit the growth of microorganisms; Release antibacterial antibacterial agents, antibacterial agent is added by co-extrusion film, the film will slow release antibacterial in gas, such as release of porous silica material to absorb the packaging metamorphic alkene material, gas release antibacterial antibacterial material including hinoki alcohol, vanillin alcohol, etc. · Solution coating method can release infrared radiation in film coated on the surface of zirconium compound solution, then drying solvent, zirconium compounds will release 3 ~ 10 mm wavelength of infrared ray, have antiseptic bacteriostasis. · High polarity material thin film absorption medical alcohol with EVA, EEA, EMA high polar substrate membrane made of resin, by adsorption, high concentrations of medical alcohol, easy for the antimicrobial properties of thin film 3. Medical X-ray CT film that is commonly used in medical CT film through medical X-ray inspection on the human body photography. General CT film base material using the polyester film ( BOPET film) , although medical film classification more extensive, including feeling blue film, feeling green film or other special film, but its basic principle, namely in polyester thin film coated with emulsion layer, positive coated anti halation layer on the back. In addition to the above several kinds of special medical film, some common medical film should not here here.