Standard Historical Last Updated: Jul 07, 2011 Track Document
ASTM F2502-05(2009)e1

Standard Specification and Test Methods for Bioabsorbable Plates and Screws for Internal Fixation Implants

Standard Specification and Test Methods for Bioabsorbable Plates and Screws for Internal Fixation Implants F2502-05R09E01 ASTM|F2502-05R09E01|en-US Standard Specification and Test Methods for Bioabsorbable Plates and Screws for Internal Fixation Implants Standard new BOS Vol. 13.02 Committee F04
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Significance and Use

Biodegradable devices are expected by intention to deteriorate over time once they are implanted into the body. This makes a removal operation unnecessary, which is especially advantageous especially for pediatric patients.

While the polymer degrades due to hydrolytic reaction with the environment, the mechanical performance of the device also deteriorates. The key to developing effective fracture fixation systems based on biodegradable devices is to provide an adequate level of fixation strength for a time frame that exceeds that expected for fracture healing. Once the fracture is healed, the device can be completely resorbed by the body.

Generally, biodegradable devices will be tested with test methods that are similar to those used to evaluate conventional metallic devices. In addition, one has to take into consideration the pre-test conditioning requirements, handling requirements, and time-dependent mechanical property evaluations for biodegradable devices.

Scope

1.1 This specification and test methods covers a mechanical characterization reference for hydrolytically degradable polymer resin (from this point on referenced as bioabsorbable) plates and screws for orthopedic internal fixation.

1.2 This specification establishes a common terminology to describe the size and other physical characteristics of bioabsorbable implants and performance definitions related to the performance of bioabsorbable devices.

1.3 This specification establishes standard test methods to consistently measure performance-related mechanical characteristics of bioabsorbable devices when tested under defined conditions of pretreatment, temperature, humidity, and testing machine speed.

1.4 This specification may not be appropriate for all bioabsorbable devices. The user is cautioned to consider the appropriateness of the standard in view of the particular bioabsorbable device and its potential application.

1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.6 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

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Details
Book of Standards Volume: 13.02
Developed by Subcommittee: F04.21
Pages: 11
DOI: 10.1520/F2502-05R09E01
ICS Code: 11.040.40