Journals on Medical Drug and Therapeutics - BJSTR Journal

Abstract

The number of #patients suffering from damaged or diseased tissues has increased due to an aging population. The result has been a greater socioeconomic burden on society. For example, the United States alone spends 17.1% of its gross domestic product (GDP) on health care [1,2]. Hence, there is a pressing need to develop novel cost-effective methods for #tissue reconstruction using medical grade implants. Historically, such implants have been manufactured using traditional manufacturing technologies such as injection molding. Unfortunately, these technologies have certain drawbacks, namely they are often reserved for mass production due to the high initial costs involved and part design restrictions. Moreover, medical implants are often produced in generic sizes that are commonly based on an "average" patient. One solution to these problems is to manufacture patient-specific implants using #3D printing. This allows precise control of size, shape and geometry of the implant to better mimic native tissues [3,4]. Compared to traditional manufacturing, however, the 3D printing of medical implants is still in its infancy. Pro tempore, titanium alloys and #polyether ether ketone (PEEK) implants are sporadically manufactured using selective #laser sintering (SLS) printing technologies [5,6]. However, both titanium and PEEK have certain drawbacks.

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From Injection Molding to 3d Printing of Patient-Specific Implants by Maureen van Eijnatten in BJSTR