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Guangxi Zhongshan 3D printing plate in patients with implantation of osteoma

Compared with the traditional process, the plate and the bone make 3D printing technology fit higher. Southern Daily reporter Chen Yu photo

Due to right leg long osteoma, Amin needs to be at the knees of the bones to dig a part, which means that only more than 20 years old, he will face the danger of amputation. In order to maintain after work, life, Amin will dig to bone parts replacement for hydroxyapatite artificial bone and through Zhongshan Torch Development Zone Enterprises - Guangdong Hanbang Laser Technology Co., Ltd. 3D printing technology to produce high precision plate fixation to achieve. After the completion of the operation, Amin has resumed walking ability, and was discharged in March.

Will be similar to the 3D printing technology used in clinical treatment, Hanbang laser have been performed in 271 cases, including print plate, bone is repaired piece implants, there are about the bone and joint clinical trials. After the acceptance of the project, 6 of which were identified by the expert group to enter the ranks of the international leader.

3D print implants with higher accuracy

The torch Jianye Road, the new building is particularly prominent Hanbang laser. In the building the first floor of the exhibition hall, a piece of about 12 cm long, 4 cm wide, 4 mm thick solid metal plate display among them. Hanbang laser general manager Liu Jianye gently picked up the plate, placed next to the resin model of the human skeleton, and the contact surface between the was in close agreement together.

"This is through our 3D printer to print out the metal plate, is also the beginning of the operation are used in the product spare parts." Liujianye print such a plate and need to first by hospital CT in patients with the relevant parts of the scan and to provide data to Hanbang laser 3D modeling. The modeling data input 3D Hanbang laser printer metal powder, spend 7 hours or so will be able to print out the plate.

It is reported, the traditional plate is mainly the artificial judgment and machine aided design, bones because of the existence of the individual difference, plate and the patient's bones inevitably there are differences. And through the use of 3D printing technology, the plate scanning data modeling and then made more precise, almost close to the patient's skeletal structure, not only can improve the operation efficiency and reduce the patient's wound, the pain is reduced, the appearance of the surface of the skin will not appear obvious deformation.

In addition to the plate, Hanbang laser has gradually 3D printing technology used in plate, bone repair, bone joint prosthesis implantation of non commercial clinical treatment. "In fact, no matter what, for us are based on the data print out of the treatment needs of products. However, different implants have different requirements for process technology." Liu Jianye said.

"The production of implants for CT scanning data is very high, and some special parts, the accuracy of the data is a millimeter level, 1 mm deviation will lead to the failure of surgery." Liujianye said before Hanbang laser technology application in the clinical treatment of, had due to the deviation of the data provided by the hospital, resulting in a print out of the joint products can not be used.

"At that time the operation was equipped with conventional treatment, patients in the end or successfully completed the surgery, but we feel very pity." Liu Jianye said.

The total excellent and good rate was 93.8%

In recent years, the development of 3D printing technology is the industry that will bring disruptive innovation to the medical field, a lot of research and development projects, clinical use gradually into the public view. But understand according to the reporter, the industry's only Beijing love Kang medical first product based on the development of 3D act technology formally received the approval of the State Food and drug administration, get the CFDA three market medical device license, became the world's first after clinical validation of the metal 3D printing orthopedic implants product.

In spite of the company in terms of technology in the front of the laser Hanbang, but due to a single license issued by the state is only for 3D printing technology in certain parts of the application, liujianye think, the future 3D printing in medical applications market space is huge. But compared to love Kang medical this professional institutions, Hanbang laser as a manufacturing 3D metal printer equipment manufacturing enterprises, "reached the medical market is not easy, or looking for the cooperation of the specialized institutions.

Early in 2013, Hanbang laser fancy 3D printing in the medical use of blue ocean, self financing of more than 1500 million yuan by Guigang City People's Hospital, Southern Medical University School of Basic Medical Sciences, Central South University Xiangya Hospital cooperation, jointly launched Guigang City Science and technology research and development plan of scientific and technological project topic -- the 3D printing technology in orthopedic repair and reconstruction of basic and clinical research. The project has been applied to the clinical treatment of 271 cases, the total excellent rate of 93.8%.

In March this year, 5 domestic and foreign experts from Guangzhou University of Chinese Medicine, National University of Singapore and other institutions, the composition of the group of experts to complete the acceptance of the project. Discussion by the expert group believes that the project use computer technology, in the domestic earlier proposed to 3D printing technology application in clinical, orthopedics, rehabilitation, cancer, human anatomy, medical imaging, computer, increasing material manufacturing and other multidisciplinary integration, the realization of the individualization of orthopedic surgery and precision of the.

It takes three to five years to achieve commercialization.

Acceptance report that the project "3D printing in the Department of Orthopaedics and traumatology, individualized, precise, standard of the reconstruction of six technology at home and abroad has not reported, expert group unanimously found that the project into the international leading ranks. Project will be expected to solve many problems in the Department of orthopedics, a lot of difficult and complicated, so that the Department of orthopedics operation cure rate increased by 75%

In addition to the plate, Hanbang laser has gradually 3D printing technology used in plate, bone repair, bone joint prosthesis implantation of non commercial clinical treatment. "In fact, no matter what, for us are based on the data print out of the treatment needs of products. However, different implants have different requirements for process technology." Liu Jianye said.

"The production of implants for CT scanning data is very high, and some special parts, the accuracy of the data is a millimeter level, 1 mm deviation will lead to the failure of surgery." Liujianye said before Hanbang laser technology application in the clinical treatment of, had due to the deviation of the data provided by the hospital, resulting in a print out of the joint products can not be used.

"At that time the operation was equipped with conventional treatment, patients in the end or successfully completed the surgery, but we feel very pity." Liu Jianye said.

The total excellent and good rate was 93.8%

In recent years, the development of 3D printing technology is the industry that will bring disruptive innovation to the medical field, a lot of research and development projects, clinical use gradually into the public view. But understand according to the reporter, the industry's only Beijing love Kang medical first product based on the development of 3D act technology formally received the approval of the State Food and drug administration, get the CFDA three market medical device license, became the world's first after clinical validation of the metal 3D printing orthopedic implants product.

In spite of the company in terms of technology in the front of the laser Hanbang, but due to a single license issued by the state is only for 3D printing technology in certain parts of the application, liujianye think, the future 3D printing in medical applications market space is huge. But compared to love Kang medical this professional institutions, Hanbang laser as a manufacturing 3D metal printer equipment manufacturing enterprises, "reached the medical market is not easy, or looking for the cooperation of the specialized institutions.

Early in 2013, Hanbang laser fancy 3D printing in the medical use of blue ocean, self financing of more than 1500 million yuan by Guigang City People's Hospital, Southern Medical University School of Basic Medical Sciences, Central South University Xiangya Hospital cooperation, jointly launched Guigang City Science and technology research and development plan of scientific and technological project topic -- the 3D printing technology in orthopedic repair and reconstruction of basic and clinical research. The project has been applied to the clinical treatment of 271 cases, the total excellent rate of 93.8%.

In March this year, 5 domestic and foreign experts from Guangzhou University of Chinese Medicine, National University of Singapore and other institutions, the composition of the group of experts to complete the acceptance of the project. Discussion by the expert group believes that the project use computer technology, in the domestic earlier proposed to 3D printing technology application in clinical, orthopedics, rehabilitation, cancer, human anatomy, medical imaging, computer, increasing material manufacturing and other multidisciplinary integration, the realization of the individualization of orthopedic surgery and precision of the.

It takes three to five years to achieve commercialization.

Acceptance report that the project "3D printing in the Department of Orthopaedics and traumatology, individualized, precise, standard of the reconstruction of six technology at home and abroad has not reported, expert group unanimously found that the project into the international leading ranks. Project will be expected to solve many difficult problems in the Department of orthopedics, so that the cure rate of surgery in the Department of orthopedics increased from 75% to 90%, greatly reduce the postoperative complications, reduce disability rate.

Up to now, the research of the project has published 12 SCI papers, 41 Chinese core journals, 18 provincial journals, 3 patent applications, 2 published works. Project also developed a doctorate, post doctoral 3 and master's degree 18.

Although the project has been completed acceptance, but the distance like love Kang medical as get listed permission to achieve commercialization, Hanbang laser also need to do a lot of work. Such as the demonstration of materials, process optimization, a lot of experiments and data collection, through the verification to go after the approval process.

"A qualified implant needs to control the mechanical properties, surface quality, and so on, this printing equipment, printing technology to put forward very high requirements." Liujianye said: "for example, if the implant is used for a period of time, print of bone and joint fatigue, damage, fracture, then the patient will be hurt, so the technology needs to be constantly demonstrated and optimized.

Liu Jianye said that the realization of the overall business process estimates need three to five years of time. Future Hanbang laser program and medical device companies, and Guigang City People's Hospital, Southern Medical University further cooperation, with the help of their professional medical technology and apparatus technique, and work together to achieve the commercialization of the technology.


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