Brain Tumor Res Treat.  2023 Jul;11(3):159-165. 10.14791/btrt.2023.0001.

Medical Applications of 3D Printing and Standardization Issues

• Shim KW

• KMID: 2545111
• DOI: http://doi.org/10.14791/btrt.2023.0001

Abstract

The three-dimensional (3D) printing itself is not a novel technology, it is more than 30 years old. Stereolithographic (SLA) technology has been used as the first and popular technology for medical application of 3D printing. Since 1991 Radiology and Plastic Surgery have published articles about SLA for rapid prototyping anatomical 3D models. Medical applications of 3D printing have been popularizing and stabilizing so far. Implantable medical devices such as metal or absorbable implants, surgical guide systems, prosthesis and orthosis, and 3D anatomical models for normal or diseased anatomy have been developing and expanding its markets so far. There are many obstacles, such as insurance, authorization as a medical device, and lack of standards technology for further expansion of medical applications. Many technical specifications and guidelines for authorization as medical device have been published by regulatory bodies from many countries. Even though international standards for 3D printing have been developing more and more, there have been few standards for medical application of 3D printing. In this harsh environment academia, company, research institute, regulatory bodies, and government have been doing good job for the development of 3D printing industry.

Keyword

3D printing; Implant; Guide; 3D model; Standard; International

Figure

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  Fig. 1 Typical workflow of medical 3D printing (unpublished, Shim, 2021).

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  Fig. 2 Typical example for pre-surgical planning and simulation surgery. A: Two pieces of implants for fronto-orbital reconstruction. B: Orbital implant was tried on rapid prototyping (RP) model. C: Frontal implant was tried on frontal defect. D: Final simulated RP model with two pieces of implants. E: Surgical view.

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