Business Club May 13th With the advancement of materials science and technology, new composite textile raw materials suitable for special medical applications have been developed. New medical textiles made from these materials are changing the existing clinical treatment model. Therefore, these new products will become new hot products in the international medical device market. The following representative new types of new materials for medical textiles are introduced here for reference in the industry.
Multipurpose polyester-wire hollow tube
A company in the United States recently developed a new type of hollow tubular fabric made of high-strength polyester (common chemical fiber material) rayon and metal wire weave into a twist-like hollow tubular fabric. It has a very wide range of uses in clinical medicine, such as: repair of ruptured blood vessels or replacement of damaged heart mitral valves as "prosthesis" implant materials and so on.
According to reports, this newly-listed polyester-wire cross-linked braid not only has good rigidity, but also has excellent elasticity and biocompatibility with the human body. It does not cause allergic reactions and can be processed into tubes. The medical material that can be processed into other shapes is a new type of composite new medical fabric material that is widely used.
High-strength chemical fiber new material that can replace metal materials
So far, polyester and polypropylene chemical fiber raw materials account for a large proportion in medical plastic products, because these two types of thermoplastic chemical fiber raw materials can be used to manufacture a variety of commonly used medical fabric products, and the price is low, the finished product after processing Softness is good.
Recently, foreign manufacturers have also developed a new type of polymer polymer medical fabric material that can be used for manufacturing implantable device products. According to reports, the product is a new composite chemical fiber raw material processed from two chemical fiber materials, aryl polyether ketone and high strength polyethylene. The high-strength chemical fiber composite material can be used for processing medical textile materials such as artificial blood vessels that require certain strength and elasticity, and can also replace implanted prosthetic devices made of metal materials such as stainless steel, titanium, platinum, and Nitinol. product. What is more noteworthy is that the new high-strength chemical fiber material is very similar to the characteristics of human tissue, and can completely replace the metal-made implantable device product, and its cost-effectiveness is higher.
New medical fabric raw materials that can be absorbed by human body
Now the medical community puts high demands on the raw materials used for implantable devices, which must meet the specifications and human adaptability of the medical device products, and they must be absorbed by the body so that the products can be implanted in the body within 1-2 years. Automatic absorption or decomposition. With the rapid development of materials science and technology, foreign manufacturers have developed a variety of new materials that can be automatically absorbed by the human body. Among them, new materials that have been approved for the production of medical fabrics and other implanted devices are polylactide (PLA) and poly. Ethylene glycol (PEG).
Polylactic acid is a new type of "bioplastic" that is made of corn starch as a starting material, which is fermented into lactic acid and then polymerized. It not only has a certain rigidity and elasticity, but also can be automatically decomposed into lactic acid in the human body and eventually excreted from the body. . According to reports, these two new materials can be used to create porous or compact new implantable materials that have many new uses in clinical medicine. Such as: made of "vascular patch" for severely damaged blood vessels to stop bleeding, until the new blood vessels grow well, the implanted polylactic acid vascular patch has long been automatically resolved, no need to remove surgery.
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Companies registered capital of 35 million yuan, the end of 2014 the total assets of 48.69 million yuan, including fixed assets of 37.52 million yuan. The company's existing cooperation Orange cultivation base 7043.5 acres, the company production base is located in Jiangxi County Tech Industrial Park Chu Tan industrial area, covers an area of 120 acres, it has built a standard plant 9,000 square meters, Nissan 6000 kg Orange enzymes and other liquid enzyme products. Enzyme, known as enzyme, refers to a polymer substance having biocatalytic functionality. In the catalytic reaction system an enzyme, the reactant molecules are known as substrates, enzyme substrates by catalytic conversion to another molecule. Almost all cellular activity of enzymes involved in the process are required to improve efficiency. Similar to other non-biological catalysts, enzymes chemical reactions by lowering the activation energy to accelerate the rate of the reaction, most of the enzyme catalyzed reaction rate can be increased a million times; in fact, the enzyme is to provide an activation energy needs than another low way, so that more particles to have less than the activation energy of the reaction kinetic energy, thus speeding up the reaction rate. Enzyme as a catalyst, in itself is not consumed during the reaction, it does not affect the chemical equilibrium reactions. Positive enzyme catalysis, but also a negative catalytic effect, not only to accelerate the reaction rate, but also to reduce the reaction rate. And other non-living catalysts is different, having a high degree of specificity of enzyme, only a catalytic reaction or produce a particular specific configuration.
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Ganzhou Green days Biochemical Technology Co., Ltd. , http://www.cn-gangdao.com