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Dutch PEEK 3D printing start-upBond3D和医疗植入物开发人员Invibio Biomaterial Solutions已经提出了一种添加剂制造的脊柱笼，可以更好地促进患者康复。雷电竞充值
这些公司共同开发了“下一代”的脊柱笼子，不仅具有其前任的所有愈合优势，而且可以通过刺激新骨形成所需的孔隙率进行配置。在Formnext，据说公司的笼子具有足够的生物相容性来获得FDAapproval, and they’re currently going through the regulatory steps to gain this.
PEEK 3D printing at Bond3D
Operating out of its base in the city of Enschede, Bond3D specializes in production of functional components from high-performance polymers, certified for end-use in critical applications. The firm’s business revolves around a patented, pressure-controlled extrusion process, in which filament can be layered into prints with final-part densities of over 99%.
Due to its compatibility with materials like polyimides, fluoropolymers, liquid crystalline polymers, and polyaryletherketones (PAEKs), this technology allows Bond3D to address the medical, aerospace, energy, and automotive markets.
为了帮助它进一步发展其独特的挤出方法，Bond3D被Victrex授予资金在2019年，据说这一价值为“数百万欧元”。从那时起，该公司继续以其技术为基础，揭幕了void-free PEEK 3D printingprocess, as well as announcing the build of eight production-ready systems, last year.
‘Fourth-generation’ spinal implants
Given that it’s sterilizable, highly biocompatible and features an impressive strength-to-weight ratio, PEEK has proven a popular material in the medical industry. In fact, Bond3D claims the polymer has already been used to create implants for over 15 million patients, whether they be in need of orthopedic, spine, trauma or cardiovascular treatment.
Where Bond3D has identified an opportunity in this field, is in the development of spinal interbody fusion devices, which allow for clearer artifact-free CT/MRI imaging. According to the company, producing implants with a modulus similar to natural bone, porous regions to encourage bone ingrowth and the rigidity to prevent cages caving in, also remains an ongoing challenge in the field.
为了解决这些成像和stiffness-relatedissues, Bond3D has worked with Invibio Biomaterial to develop highly-porous spinal cage 3D printing capabilities. Bond3D says its technology allows for the creation of ‘fourth-gen’ implants that “combine the advantages of all previous generations,” and feature the enhanced biomechanical and biocompatibility properties needed to aid bone regrowth.
目前，两家公司正在采取最后一步，将这些设备之一与美国脊柱植入物开发人员一起发送FDA提交。该提交的主题文件得到了主文件的支持，Bond3D表示，该文件将有助于随后的医疗OEM将来将其设计推向市场的任何努力。
尽管3D打印仍在更广泛的医疗市场中找到脚，但该技术已经在定制的脊柱植入物制造领域中陷入困境。4WEB Medicalnow markets a whole range of these devices, including its独立的前脊柱桁架系统，旨在在脊柱疾病治疗期间使用。
As long ago as 2018,约翰逊和约翰逊收购了EIT, in a move that also saw the US multinational gain a strong foothold in the spinal implant 3D printing space. At the time, the deal was said to have strengthened the interbody implant portfolio of Johnson & Johnson’s orthopedics branchDePuy Synthes, which included titanium-integrated PEEK devices designed for minimally-invasive surgeries.
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特色图像显示了由Bond3D打印的脊柱笼的CT图像。图像通过Bond3D。
