Standard covers polymeric raw materials for surgical implants.January 23, 2013 -
ASTM F2820, Specification for PEKK Polymers for Surgical Implant Applications, specifies allowable ranges for composition, mechanical, and physical properties, as well as acceptable quality control practices, for PEKK polymers used in medical devices. Each factor covered by standard is important in assuring that materials used will perform as expected. In addition, using materials that meet requirements of ASTM F2820 can reduce or eliminate need for animal testing for these materials.
New ASTM Standard Covers Polymeric Raw Materials Used in Manufacture of Surgical Implants
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Press release date: January 16, 2013
W. CONSHOHOCKEN, Pa., —Many types of surgical implants and other medical devices are made of polymeric materials. A new ASTM standard covers the raw material properties for a high strength polymer used for surgical implants.
ASTM F2820, Specification for Polyetherketoneketone (PEKK) Polymers for Surgical Implant Applications, has been developed by ASTM International Subcommittee F04.11 on Polymeric Materials, part of Committee F04 on Medical and Surgical Devices.
“Having ASTM F2820 available will make it easier to develop and obtain regulatory approval for new devices because the material requirements set forth in the standard were based on the properties of resins that have been proven to be biocompatible and have been used in successful long-term implantable devices,” says Jon Moseley, director of implant technology, Wright Medical Technology Inc., and chairman of F04.11.
ASTM F2820 specifies allowable ranges for composition, mechanical and physical properties, as well as acceptable quality control practices, for PEKK polymers used in the manufacture of medical devices. Each of the factors covered by the standard is important in assuring that the materials used will perform as expected.
“This is of particular importance in permanent implant applications, where failure can lead to additional surgical procedures and potentially harm the patient,” says Moseley. “In addition, using materials that meet the requirements of ASTM F2820 can reduce or eliminate the need for animal testing for these materials.”
ASTM F2820 will be used by resin manufacturers for quality control and as a guide for developing master files, compilations of test data for use by device developers and regulatory agencies. The standard will be useful in the approval process for new devices, since both developers and agencies recognize the value of using standardized materials to help ensure the safety and efficacy of medical devices.
Interested parties are welcome to join in the standards developing activities of F04.11. In addition to the task group that developed ASTM F2820, other task groups are working on acrylics (for example, bone cement), absorbable polymers and ultra-high-molecular-weight-polyethylene. The subcommittee is particularly interested in participation from surgeons, since they are in the best position to provide feedback on the performance of devices fabricated from polymeric materials.
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ASTM Committee F04 Next Meeting: May 21-24, 2013, May Committee Week, Indianapolis, Ind.
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