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Scope

1.1 This document provides guidance on writing a materials specification for raw or starting biomaterials intended for use in tissue engineering scaffolds for growth, support, or delivery of cells and/or biomolecules. This guide does not apply to biomaterials that are already in a scaffold form or are finished tissue-engineered medical products.

1.2 The purpose of this guide is to provide a compendium of relevant existing standards and test methods for biomaterials already commonly used within medical products and to provide characterization guidance for interim use of raw biomaterials for which a standard does not exist.

1.3 This guide covers specifications and characterizations of all the major classes of materials including polymers, ceramics, metals, composites, and natural tissues of human, animal, or plant origin. This guide does not apply to pharmaceuticals.

1.4 This guide is focused on specification of chemical, physical, and mechanical properties of the raw or starting material. It does not include safety and biocompatibility requirements since safety and biocompatibility testing is typically done on materials fabricated into a final form to include all possible effects of fabrication and sterilization techniques.

1.5 Compliance with materials specifications developed in accordance with this standard may not necessarily result in a material suitable for its intended purpose. Additional testing specific to the intend use may be required.

Significance and Use

The physico-chemical characteristics of the raw or starting biomaterial used in regenerative medicine scaffolds carries significant potential to affect product performance by influencing cell behavior and/or the release of bioactive molecules or drugs. This guide describes recommended specifications or characterizations of raw or starting biomaterials to ensure reproducibility prior to their fabrication into implantable tissue engineering scaffolds and/or controlled release matrices.

Keywords

biomaterials; ceramics; composites; materials; metals; natural products; polymers; regenerative medicine; tissue-engineered medical products; Biomedical materials/applications; Ceramic surgical materials/applications; Characteristics/characterization; Engineered medical products; Polymers (surgical applications); Substrates--surgical implant applications; TEMPs (tissue engineered medical products); ICS Number Code 11.040.40 (Implants for surgery, prothetics and orthotics)

To find similar documents by ASTM Volume:

13.01 (Medical and Surgical Materials and Devices)

To find similar documents by classification:

11.040.40 (Implants for surgery, prosthetics and orthotics Including pacemakers Ophthalmic implants, see 11.040.70)

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