From outdoor lighting to indoor lighting, from general to special, LED applications are constantly expanding, and medical lighting is one of them. Compared with general lighting, medical lighting has a certain degree of particularity both in terms of lighting requirements and market access, and it has not yet been widely used. Despite this, with the advancement of technology and the increase in demand, LED medical lighting is still optimistic about the industry, and domestic LED medical lighting is also constantly developing.
The characteristics and advantages of LED in the field of medical lighting As a special lighting method, medical lighting has certain special requirements. Compared with traditional medical lighting, LED has the advantages of orientation, low-spectrum damage, etc., as it enters the medical lighting field.
It is understood that medical lighting has fixed-point, directional lighting, high-intensity lighting, pure light color (have excellent color rendering, can enable doctors to clearly distinguish between different organs and tissue structure, and preferably to a certain extent, according to the needs of Color temperature regulation to highlight certain organs or tissues as well as uniform, shadowless lighting, low spectral damage, structural sealant disinfection, structural ventilation, dimming control, high reliability and other special needs.
Traditional medical lighting has long used halogen lamps as light sources. In recent years, metal halide lamps have been used as light sources. Halogen lamps and metal halide lamps are all typical divergent light sources that diverge in all directions. The high-heat radiation, full-spectrum, and divergent light sources must meet the special technical requirements for medical lighting (surgical shadowless lamps) and must adopt a series of special technologies. . For example, in terms of dimming control, the halogen lamp achieves light intensity control by adjusting the supply voltage, but the change in light intensity will affect its color temperature and color rendering properties.
Compared with traditional medical lighting products, LED has inherent advantages in achieving fixed-point, directional lighting, high-intensity lighting, dimming control, high color rendering, low-spectrum damage, etc., which can effectively overcome the shortcomings of conventional medical lighting. For example, LED is a point light source, directional lighting source, only through a reasonable chip and package design, and with a little bit of secondary light distribution, you can achieve ideal directional lighting, the optical system is simple, ideal for light distribution; LED All of the emission spectrum is in the visible light region, and there are no ultraviolet, infrared and other harmful spectral components, which can prevent ultraviolet light damage to human tissues, and body fluid evaporation and tissue burn caused by infrared light.
It can be said that the replacement of conventional electric light sources represented by halogen lamps with LED new light sources is helpful for improving clinical diagnosis and surgical treatment quality in medical institutions in clinical surgical lighting, medical examination lighting, and medical-assisted diagnosis and therapeutic lighting. To achieve green lighting.
The medical lighting market has a high threshold and a small scale, but the actual market value is large. Compared with traditional medical lighting products, LED lighting products can easily meet the requirements of medical lighting. The characteristics of the LED itself and the specificity of the medical lighting market also make Medical lighting has become one of the best entry points for LEDs.
The general medical lighting field mainly includes inspection lighting, surgical lighting, and therapeutic lighting. Among them, surgical lighting, represented by surgical shadowless lights and oral lighting, is a typical representative with the highest technical difficulty, the most demanding safety requirements, the highest price, and the most complex design. There are also industry analysts pointed out that in the medical field, in addition to surgical shadowless lights, partial inspection of lighting fixtures, such as oral lights, endoscopic lamps; surgical lighting for regional lighting, surgical preparation lighting; for the treatment of special conditions Light therapy equipment, such as photodynamic therapy instrument, neonatal jaundice treatment instrument, ultraviolet disinfection lamp, etc., are suitable for promoting LED medical lighting.
From the market point of view, the unique technical requirements and characteristics make medical lighting represented by surgical shadowless lamps become extremely special products in lighting products. It must pass strict clinical trial assessment and obtain medical equipment according to the regulations of medical device management. Product license. Therefore, it is a high-tech, high-risk, high-entry special lighting products that can avoid the vicious competition faced by conventional lighting products.
In addition, although medical lighting has a high barrier to entry and is technically difficult, it is only a “very small†market segment for medical devices. Most large-scale medical device companies only manage medical lighting products incidentally, with few professional manufacturers. Medical lighting products are expensive and form a high price in the field of lighting. The severe price problems faced by semiconductor lighting products in any other general lighting field are relatively insensitive to medical lighting.
“Because of the high barriers to entry for medical lighting and the small size of the market, the market price is high, so the actual market value of the market is large. The medical lighting field can be said to be one of the best entry points for semiconductor lighting. The areas accepted and promoted by the market are also a specialized market segment for semiconductor lighting that is easy to see immediately, create a professional brand and go global,†said Professor Chen Weimin, director of Chongqing LED Lighting Industry and Research and Development Alliance.
The domestic medical lighting market has great potential, but it is still in its infancy. It is understood that in 2008, there were about 7,300 enterprises engaged in the production of medical devices in China, producing 47 types of medical products, more than 5,000 varieties, and more than 30,000 specifications of medical equipment products. The total output value of medical devices has reached more than 30 billion yuan, and the average annual growth rate exceeds 15%; LED hospital lighting products, especially in medical special lighting, are demanding in terms of their specifications, specifications, and certification requirements, and require the integration capabilities of medical device systems. Experience, so far, only a few LED lighting companies in developed countries in Europe and America are developing similar projects. There are about tens of companies engaged in the production of conventional medical lighting products in China, and the production value scale is less than 5% in the field of medical devices. However, with the emphasis on medical and health care, medical accidents, and environmental protection and energy consumption, LED medical lighting has attracted more and more attention from the society. The demand for LED medical lighting is also growing. Many manufacturers have said that they will actively develop LED medical lighting products to replace the current products. Therefore, LED medical lighting will be the trend of international medical lighting development. It has gradually entered the initial stage of market exploration. The market accelerated its development.
China's LED medical lighting started around 2007. “China's medical lighting industry has a low overall technology and insufficient brand effect. China’s potential huge application market is coveted. At present, most of the equipment used in large domestic hospitals comes from foreign brands such as Martin Martin, Chuangfu, and Del. However, LED medical lighting products prices are relatively high (foreign brand prices as high as 600,000 yuan / Taiwan), the domestic LED medical lighting products are relatively low prices have the advantage of price and thus still account for half of the domestic market." Chen Weimin said. Currently, LED medical lighting companies in China have initially formed LED medical lighting products that match the market demand. The medium and low-end products have passed the "National Central Funding Rural Health Service System Basic Medical Equipment Domestic Bidding" and "Domestic Medical Device Products Application Demonstration Project. Projects (referred to as "ten million projects") have been promoted and applied in county-level, township-level and community-level health institutions. Medium and high-end products have been modeled and sold in a number of top-tier hospitals in China and exported to Japan, Australia, and the Philippines. , Turkey and South America have been recognized by medical institutions in developed countries. The development of the domestic market has completed the preliminary market guidance and laid a certain market foundation. However, the healthy and orderly development of the entire market requires the guidance and promotion of the relevant departments in the development of the industry.
For enterprises, in the country, medical lighting products must go through the production license and product registration license of the State Food and Drug Administration, and obtain corresponding certificates before they can be sold in the market. It is understood that the domestic LED operation shadowless lamp has obtained the registration certificate of Chongqing Bangqiao Technology Co., Ltd., Shanghai Medical University Du Hang Medical Devices Factory and Beijing Yi An Medical Systems Co., Ltd. and so on. Among them, Chongqing Bangqiao Technology Co., Ltd. specializes in the development, production, sales and service of LED technology research equipment lighting application products. It has LED surgical shadowless lights, LED inspection lights, LED headlights and other medical lighting products, at the same time the company combines LED hospital general lighting Formed a hospital integrated solution and the establishment of a sample hospital, including low-carbon operation room, integrated surgical lighting system, adjustable color temperature wards and so on. Shanghai Duhang Medical University Duhang Medical Instrument Factory is mainly engaged in the development, design, manufacture, sale, installation and maintenance of medical equipment. The main products include DL series surgical blades, surgical shadowless lights, operating tables and medical lifting towers.
Improve technology, increase industrial concentration, establish domestic brands should be the future development of key markets, demand continues to grow, LED medical lighting technology is also continuously improving, in the face of future competition, domestic medical lighting, whether in technology research and development or brand building All need to be strengthened.
It is understood that, although LED medical lighting has just started, but has been high hopes for the medical industry, the initial simple single LED lamp and lens for a simple combination, followed by high-power chip integration, optical and electrical thermal integration of the lamp structure design, high shadow rate With the high uniformity of lighting effects, a wide range of color temperature continuously adjustable, streamlined lighting structure to reduce the impact of laminar flow in the operating room and other new technologies emerge.
For example, in light source light distribution design, in order to achieve fixed-point, high-intensity, high-uniformity, shadowless lighting effects, there is a separation of high-power LED single lamp, through a dedicated focusing lens to form a honeycomb or compound eye structure; also used high-power chip The matrix module is combined with the microlens array for light distribution focusing.
In color temperature regulation, the early use of three monochromatic illumination zones with independent light intensity control allows them to be arranged concentrically to each other. The color temperature can be adjusted by controlling the intensity of each of the three independent illumination zones; a white light unit is used. And a number of colored light source headlight disk structure; use different color, color temperature LED combination, through a variety of Led Light intensity ratio adjustment, to achieve within a certain range to adjust the color temperature.
In terms of overall structure design, the overall lamp-and-disc structure that mimics the traditional halogen light source gradually evolves into a modular, planar, streamlined, and split multi-head structure, exploring the combination of semiconductor lighting characteristics and medical lighting characteristics. New form.
For domestic LED medical lighting technology development, Chen Weimin said that in the early days of domestic medical lighting, it mainly copied the medical lighting fixtures such as the LED surgical shadowless lamps of the German Chuangfu Company, mainly based on multiple single high-power LEDs and simple lens methods. With the development of technology, under the support of the National 863 High-Tech Project Plan, the National SME Innovation Fund, and the related provincial and municipal scientific and technological breakthroughs, China's LED medical lighting technology has been significantly improved, and LED medical lighting companies have gradually begun to enter the autonomy. At the stage of research and development and innovation, it started to have independent intellectual property rights. Such as high power LED medical lighting matrix array chip samples, color temperature continuously adjustable high power LED chip surgical shadowless lamp experimental prototype development, different color temperature different organ tissue color development characteristics, streamlined LED surgical shadowless lamp laminar effect model and clinical validation , And put forward LED lighting integration solutions.
“Similar to the lighting situation in other areas such as indoor and outdoor lighting, the main technical problems facing domestic LED medical lighting companies are still combining the characteristics of medical lighting, solving the key technologies of LED medical lighting, and focusing on lighting distribution, LED medical Illumination light source module and its optimization of heat dissipation and structure, shadowless and highly uniform secondary optical design of lamps and high-efficiency LED group drive and intelligent control, LED attenuation and color coordinate drift problem, large-scale production process Technical and lighting cost control methods have sought to achieve breakthroughs and develop low-cost, cost-effective, and internationally leading levels of LED medical lighting products,†said Chen Weimin.
It can be foreseen that domestic competitors will increase in the next two years. Therefore, China should lead leading companies with leading technologies, increase industrial concentration, establish domestic brands, and finally realize that they can compete with foreign imported medical lighting products. Chen Weimin also said that the current domestic company share and import company share can be said to be divided into five, and now the main market purchasing power is still in the top three hospitals, key areas in Beijing, Shanghai, Chongqing, Guangzhou and other major cities. Through technological investment, large-scale production, and cost reduction, it is expected that during the “12th Five-Year Plan†period, the average annual growth rate of the semiconductor medical lighting industry will be around 20%. The market share of products will increase year by year, and the medical lighting will reach 20%. 3 to 5 production companies, industrial concentration significantly increased, with its own brand.
The characteristics and advantages of LED in the field of medical lighting As a special lighting method, medical lighting has certain special requirements. Compared with traditional medical lighting, LED has the advantages of orientation, low-spectrum damage, etc., as it enters the medical lighting field.
It is understood that medical lighting has fixed-point, directional lighting, high-intensity lighting, pure light color (have excellent color rendering, can enable doctors to clearly distinguish between different organs and tissue structure, and preferably to a certain extent, according to the needs of Color temperature regulation to highlight certain organs or tissues as well as uniform, shadowless lighting, low spectral damage, structural sealant disinfection, structural ventilation, dimming control, high reliability and other special needs.
Traditional medical lighting has long used halogen lamps as light sources. In recent years, metal halide lamps have been used as light sources. Halogen lamps and metal halide lamps are all typical divergent light sources that diverge in all directions. The high-heat radiation, full-spectrum, and divergent light sources must meet the special technical requirements for medical lighting (surgical shadowless lamps) and must adopt a series of special technologies. . For example, in terms of dimming control, the halogen lamp achieves light intensity control by adjusting the supply voltage, but the change in light intensity will affect its color temperature and color rendering properties.
Compared with traditional medical lighting products, LED has inherent advantages in achieving fixed-point, directional lighting, high-intensity lighting, dimming control, high color rendering, low-spectrum damage, etc., which can effectively overcome the shortcomings of conventional medical lighting. For example, LED is a point light source, directional lighting source, only through a reasonable chip and package design, and with a little bit of secondary light distribution, you can achieve ideal directional lighting, the optical system is simple, ideal for light distribution; LED All of the emission spectrum is in the visible light region, and there are no ultraviolet, infrared and other harmful spectral components, which can prevent ultraviolet light damage to human tissues, and body fluid evaporation and tissue burn caused by infrared light.
It can be said that the replacement of conventional electric light sources represented by halogen lamps with LED new light sources is helpful for improving clinical diagnosis and surgical treatment quality in medical institutions in clinical surgical lighting, medical examination lighting, and medical-assisted diagnosis and therapeutic lighting. To achieve green lighting.
The medical lighting market has a high threshold and a small scale, but the actual market value is large. Compared with traditional medical lighting products, LED lighting products can easily meet the requirements of medical lighting. The characteristics of the LED itself and the specificity of the medical lighting market also make Medical lighting has become one of the best entry points for LEDs.
The general medical lighting field mainly includes inspection lighting, surgical lighting, and therapeutic lighting. Among them, surgical lighting, represented by surgical shadowless lights and oral lighting, is a typical representative with the highest technical difficulty, the most demanding safety requirements, the highest price, and the most complex design. There are also industry analysts pointed out that in the medical field, in addition to surgical shadowless lights, partial inspection of lighting fixtures, such as oral lights, endoscopic lamps; surgical lighting for regional lighting, surgical preparation lighting; for the treatment of special conditions Light therapy equipment, such as photodynamic therapy instrument, neonatal jaundice treatment instrument, ultraviolet disinfection lamp, etc., are suitable for promoting LED medical lighting.
From the market point of view, the unique technical requirements and characteristics make medical lighting represented by surgical shadowless lamps become extremely special products in lighting products. It must pass strict clinical trial assessment and obtain medical equipment according to the regulations of medical device management. Product license. Therefore, it is a high-tech, high-risk, high-entry special lighting products that can avoid the vicious competition faced by conventional lighting products.
In addition, although medical lighting has a high barrier to entry and is technically difficult, it is only a “very small†market segment for medical devices. Most large-scale medical device companies only manage medical lighting products incidentally, with few professional manufacturers. Medical lighting products are expensive and form a high price in the field of lighting. The severe price problems faced by semiconductor lighting products in any other general lighting field are relatively insensitive to medical lighting.
“Because of the high barriers to entry for medical lighting and the small size of the market, the market price is high, so the actual market value of the market is large. The medical lighting field can be said to be one of the best entry points for semiconductor lighting. The areas accepted and promoted by the market are also a specialized market segment for semiconductor lighting that is easy to see immediately, create a professional brand and go global,†said Professor Chen Weimin, director of Chongqing LED Lighting Industry and Research and Development Alliance.
The domestic medical lighting market has great potential, but it is still in its infancy. It is understood that in 2008, there were about 7,300 enterprises engaged in the production of medical devices in China, producing 47 types of medical products, more than 5,000 varieties, and more than 30,000 specifications of medical equipment products. The total output value of medical devices has reached more than 30 billion yuan, and the average annual growth rate exceeds 15%; LED hospital lighting products, especially in medical special lighting, are demanding in terms of their specifications, specifications, and certification requirements, and require the integration capabilities of medical device systems. Experience, so far, only a few LED lighting companies in developed countries in Europe and America are developing similar projects. There are about tens of companies engaged in the production of conventional medical lighting products in China, and the production value scale is less than 5% in the field of medical devices. However, with the emphasis on medical and health care, medical accidents, and environmental protection and energy consumption, LED medical lighting has attracted more and more attention from the society. The demand for LED medical lighting is also growing. Many manufacturers have said that they will actively develop LED medical lighting products to replace the current products. Therefore, LED medical lighting will be the trend of international medical lighting development. It has gradually entered the initial stage of market exploration. The market accelerated its development.
China's LED medical lighting started around 2007. “China's medical lighting industry has a low overall technology and insufficient brand effect. China’s potential huge application market is coveted. At present, most of the equipment used in large domestic hospitals comes from foreign brands such as Martin Martin, Chuangfu, and Del. However, LED medical lighting products prices are relatively high (foreign brand prices as high as 600,000 yuan / Taiwan), the domestic LED medical lighting products are relatively low prices have the advantage of price and thus still account for half of the domestic market." Chen Weimin said. Currently, LED medical lighting companies in China have initially formed LED medical lighting products that match the market demand. The medium and low-end products have passed the "National Central Funding Rural Health Service System Basic Medical Equipment Domestic Bidding" and "Domestic Medical Device Products Application Demonstration Project. Projects (referred to as "ten million projects") have been promoted and applied in county-level, township-level and community-level health institutions. Medium and high-end products have been modeled and sold in a number of top-tier hospitals in China and exported to Japan, Australia, and the Philippines. , Turkey and South America have been recognized by medical institutions in developed countries. The development of the domestic market has completed the preliminary market guidance and laid a certain market foundation. However, the healthy and orderly development of the entire market requires the guidance and promotion of the relevant departments in the development of the industry.
For enterprises, in the country, medical lighting products must go through the production license and product registration license of the State Food and Drug Administration, and obtain corresponding certificates before they can be sold in the market. It is understood that the domestic LED operation shadowless lamp has obtained the registration certificate of Chongqing Bangqiao Technology Co., Ltd., Shanghai Medical University Du Hang Medical Devices Factory and Beijing Yi An Medical Systems Co., Ltd. and so on. Among them, Chongqing Bangqiao Technology Co., Ltd. specializes in the development, production, sales and service of LED technology research equipment lighting application products. It has LED surgical shadowless lights, LED inspection lights, LED headlights and other medical lighting products, at the same time the company combines LED hospital general lighting Formed a hospital integrated solution and the establishment of a sample hospital, including low-carbon operation room, integrated surgical lighting system, adjustable color temperature wards and so on. Shanghai Duhang Medical University Duhang Medical Instrument Factory is mainly engaged in the development, design, manufacture, sale, installation and maintenance of medical equipment. The main products include DL series surgical blades, surgical shadowless lights, operating tables and medical lifting towers.
Improve technology, increase industrial concentration, establish domestic brands should be the future development of key markets, demand continues to grow, LED medical lighting technology is also continuously improving, in the face of future competition, domestic medical lighting, whether in technology research and development or brand building All need to be strengthened.
It is understood that, although LED medical lighting has just started, but has been high hopes for the medical industry, the initial simple single LED lamp and lens for a simple combination, followed by high-power chip integration, optical and electrical thermal integration of the lamp structure design, high shadow rate With the high uniformity of lighting effects, a wide range of color temperature continuously adjustable, streamlined lighting structure to reduce the impact of laminar flow in the operating room and other new technologies emerge.
For example, in light source light distribution design, in order to achieve fixed-point, high-intensity, high-uniformity, shadowless lighting effects, there is a separation of high-power LED single lamp, through a dedicated focusing lens to form a honeycomb or compound eye structure; also used high-power chip The matrix module is combined with the microlens array for light distribution focusing.
In color temperature regulation, the early use of three monochromatic illumination zones with independent light intensity control allows them to be arranged concentrically to each other. The color temperature can be adjusted by controlling the intensity of each of the three independent illumination zones; a white light unit is used. And a number of colored light source headlight disk structure; use different color, color temperature LED combination, through a variety of Led Light intensity ratio adjustment, to achieve within a certain range to adjust the color temperature.
In terms of overall structure design, the overall lamp-and-disc structure that mimics the traditional halogen light source gradually evolves into a modular, planar, streamlined, and split multi-head structure, exploring the combination of semiconductor lighting characteristics and medical lighting characteristics. New form.
For domestic LED medical lighting technology development, Chen Weimin said that in the early days of domestic medical lighting, it mainly copied the medical lighting fixtures such as the LED surgical shadowless lamps of the German Chuangfu Company, mainly based on multiple single high-power LEDs and simple lens methods. With the development of technology, under the support of the National 863 High-Tech Project Plan, the National SME Innovation Fund, and the related provincial and municipal scientific and technological breakthroughs, China's LED medical lighting technology has been significantly improved, and LED medical lighting companies have gradually begun to enter the autonomy. At the stage of research and development and innovation, it started to have independent intellectual property rights. Such as high power LED medical lighting matrix array chip samples, color temperature continuously adjustable high power LED chip surgical shadowless lamp experimental prototype development, different color temperature different organ tissue color development characteristics, streamlined LED surgical shadowless lamp laminar effect model and clinical validation , And put forward LED lighting integration solutions.
“Similar to the lighting situation in other areas such as indoor and outdoor lighting, the main technical problems facing domestic LED medical lighting companies are still combining the characteristics of medical lighting, solving the key technologies of LED medical lighting, and focusing on lighting distribution, LED medical Illumination light source module and its optimization of heat dissipation and structure, shadowless and highly uniform secondary optical design of lamps and high-efficiency LED group drive and intelligent control, LED attenuation and color coordinate drift problem, large-scale production process Technical and lighting cost control methods have sought to achieve breakthroughs and develop low-cost, cost-effective, and internationally leading levels of LED medical lighting products,†said Chen Weimin.
It can be foreseen that domestic competitors will increase in the next two years. Therefore, China should lead leading companies with leading technologies, increase industrial concentration, establish domestic brands, and finally realize that they can compete with foreign imported medical lighting products. Chen Weimin also said that the current domestic company share and import company share can be said to be divided into five, and now the main market purchasing power is still in the top three hospitals, key areas in Beijing, Shanghai, Chongqing, Guangzhou and other major cities. Through technological investment, large-scale production, and cost reduction, it is expected that during the “12th Five-Year Plan†period, the average annual growth rate of the semiconductor medical lighting industry will be around 20%. The market share of products will increase year by year, and the medical lighting will reach 20%. 3 to 5 production companies, industrial concentration significantly increased, with its own brand.
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