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Popular 3D printing application plastics in the medical field: PA12, TPU, PC, etc

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The medical industry is changing rapidly. While significant advances have been made in the fields of technology and biomedical engineering, medical device manufacturers still need viable options to make devices and devices for patients and healthcare providers in an efficient, low-cost manner.

in addition, There is a huge demand in the industry for customizable biocompatible and sterilizable components.
While many device manufacturers are still using traditional production methods, 3D printing technology is making it possible to manufacture biocompatible and sterilizable components quickly and cheaply.
Application of 3D printing in the medical field
3D printing has many novel applications and is having a huge impact on the medical industry. Among them are:
3D printed prostheses: Prostheses need to be customized to meet the needs of each patient, making them expensive and time-consuming to produce. Often, the assembly process requires multiple castings and follow-up appointments to ensure they fit properly. With 3D printing, the patient no longer needs a physical mold. Using a scanner, data can be fed into a 3D printer, which will develop a model that will serve as the basis for a customized prosthetic in a single visit.
Patient devices and implants: Hearing AIDS, artificial joints and heart valves have all been rapidly converted to 3D printing. Hearing AIDS and heart valves can be manufactured in a day, when they used to take a week. In addition, silicone heart valves offer a major upgrade over conventional heart valves because they are fitted with greater precision.
Dentistry and Orthodontics: Tools in the field of dentistry and orthodontics also need to be highly customized. Dentures, crowns, implants, and retainers must be customized to meet the patient's needs. Today, 3D scans and X-rays can be used to create 3D printed models using sterilizable plastic in a short time.
The advantages of 3D printing in the medical industry
Manufacturing parts in the medical industry require precision to ensure compatibility, reliability and compliance. The use of 3D printing as an option for producing parts has brought many benefits to the industry, including:

- because do not need tools, cost reduction

- medical industry space, often small, This means that 3D printing makes the process much more affordable

- Customers can order flexibly, allowing them to change the design at short notice

- Compared to traditional methods, Less time

With advances in the medical field and increasing demand for highly customizable devices, components, 3D printing can provide the industry with an option to produce these devices efficiently. With more options for manufacturing biocompatible, sterilizable and highly efficient components, the medical industry can provide better patient outcomes.
Three, 3D printing polymer materials commonly used in the medical field
The materials used for 3D printing in the medical industry represent a significant upgrade over traditional materials. Both TPU and nylon are rated Class I to VI by the FDA for medical devices. This means they can handle prolonged skin contact without causing cytotoxicity. Some of the most popular polymer materials used in 3D printing include:
1, PA12
PA12 is nylon 12, Also known as polydodecactam, polylauractam, is a long carbon chain nylon, currently used in 3D printing SLS process.
Compared with other materials, PA12 powder has excellent characteristics of high fluidity, low static electricity, low water absorption, moderate melting point and high dimensional accuracy of products, fatigue resistance and toughness can also meet the need for higher mechanical properties of the workpiece, Therefore, nylon 12 has gradually become the ideal material for 3D printing engineering plastics.
PA12 is also the fastest and most affordable medical-grade printing material and is compatible with Multi Jet Fusion printing and SLS. PA12 is USP Class I-VI and ISO 10993 certified. For medical applications, some 3D printing companies' PA12 additive manufacturing products can be sterilized in steam autoclaves.
3D printed prosthesis: HP Multi Jet Fusion PA12 (Designed and manufactured: Nunnery OPT)
2, ESTANE® TPU
ESTANE® TPU is currently the only 3D-printed thermoplastic elastomer approved by the FDA and is a Lubrizol brand product that can be used in fuse manufacturing or powder bed melt 3D printers.
Previously Lubrizol announced, Its ESTANE 3D TPU M95A powder for 3D printing has passed skin allergy and cytotoxicity tests in accordance with ISO 10993-5 and 10993-10.
The material was designed for HP Multi Jet Fusion (MJF) technology, and now product designers can utilize 3D printing technology for end-use applications that require skin contact. As a result, Lubrizol claims the material will be beneficial for wearable applications in footwear, prosthetics and orthotics, and electronic devices.
using ESTANE® figure; 3D TPU M95A powder 3D printed parts, Lubrizol
3, PC - ISO
PC-ISO, one of the material systems from 3D printing company stratasys, is a biocompatible polycarbonate for FDM 3D printing. It can be used in surgical molds.
figure PC-IOS materials create surgical guides and implant molds
These materials enable components produced by 3D printing to meet biocompatibility and sterilization requirements.
THE END
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