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This Defense Intelligence Reference Document, dated 7 January 2010, was prepared by the Defense Intelligence Agency's Defense Warning Office. It is one of a series of advanced technology reports produced in FY 2009 under the Advanced Aerospace Weapon System Applications program. The report reviews biomaterials used in medicine, including silicones, Teflon, biodegradable polymers, hydrogels, titanium, ceramics and tissue constructs, and applications such as stents, joints, contact lenses, drug delivery and dialysis. It concludes that most innovation lies in new ways to apply existing materials.
From the source: Release of 2026-09-18 Incident: 1/7/10, Las Vegas, Nevada. Released with redactions. This document is a Defense Intelligence Reference Document (DIRD), a technical reference format used by the Defense Intelligence Agency (DIA) to capture baseline knowledge on a specific topic for later analytic use. DIRDs are best understood as reference and synthesis products rather than as original research. It is one of 38 DIRDs produced under the Advanced Aerospace Weapon System Applications Program (AAWSAP) between 2009 and 2011. Because AAWSAP’s scope permitted a broad range of supporting topics, not every DIRD in the series directly concerns aerospace systems or future threat assessment. The following summary reflects the DIRD’s scope and framing at the time of writing and should not be read as implying current validation of the concepts discussed. This DIRD is a broad survey of biomaterials, including metals, polymers, ceramics, glasses, and composites designed to interact with living tissue, and argues that their value depends mainly on biocompatibility, reliability, and careful matching of material properties to specific medical uses. The report reviews major application areas including biosensors, implants, cardiovascular devices, contact lenses, drug delivery systems, tissue constructs, titanium devices, and dialysis membranes, emphasizing that no single biomaterial works best in every setting. Its overall conclusion is that biomaterials are already foundational to a large medical-device industry and save or improve millions of lives, but that progress tends to be slow because safety testing is stringent; as a result, most advances come from improved ways of applying established materials such as silicone, Teflon, biodegradable polymers, ceramics, and titanium in new devices and clinical settings rather than from radically new substances.
UNCLASSIFIED/ /fQR &FFIEJIAL YSI!! 8HL'f Biomaterials in Dialysis .................................................................................... 24 Summary and Recommendations ......................................................................... 25 Figures Figure 1. Biomaterial Applications in Medical Devices ............................................vi Figure 3. Biomaterials Such as Polycarbonates, Cellulose, and Silicones Used in Figure 4. Photograph of Silicone (polydimethyllsiloxane) Biomedical Implants Figure 7. Silicone Sheets Used Under the Skin as a Physical Supporting Layer for Figure 12. Biodegradable PLA as an Antiadhesion Barrier after Open-Heart Figure 13. Biodegradable Polymers Based on Copolymers of Polylactic Acid and Figure 16. Hydroxyapatite Porous Bone-Like Structure After Commercial Figure 20. Biodegradable Material CSLG Deposited in a Honeycomb Structure to Figure 21. Some of the More Popular Biomedical Devices and Duration of Their Figure 23. Illustration of Treatment of an Atrial Septal Defect Using a Figure 28. Schematic Representation of Biodegradable (Bioerodible) Drug Figure 29. Photomicrograph of Titanium Metal (Appears Black in This Photo) Figure 30. Illustration (Left) and Photograph (Right) of a Blood Dialyzer as Figure 31. Cuprophane Membrane Passes Blood Waste Products (Violet and Figure 2. Common Medical Devices That Use Biomaterials ...................................viii Membranes for Sensors, Dialyzers, and Oxygenators .............................. 1 Used in Breast Reconstructive Surgery ................................................... 3 Figure 5. Silicone Chemical Groups ........................................................................ 4 Figure 6. Silicone Tracheostomy Tube .................................................................... 5 Repair of Scar Tissue ............................................................................... 5 Figure 8. Teflon Structure ...................................................................................... 6 Figure 9. Expanded PTFE (Gore-Tex or ePTFE) Used in Lip Implants ...................... 7 Figure 10. Biodegradable Polymers ........................................................................ 7 Figure 11. Structure of Polylactic Acid (a Biodegradable Polymer) ........................ 9 Surgery ................................................................................................. 9 Polyethylene Glycol (Polysciences Inc) ............................................... 10 Figure 14. Dots of Hydrogel .................................................................................. 10 Figure 15. Various Titanium Components Used in Hip Joint Replacement ............ 11 Processing .......................................................................................... 12 Figure 17. Bioceramic Used in Artificial Hip Replacement Component .................. 12 Figure 18. Computer-Based Sculpted Ceramic Teeth ............................................ 13 Figure 19. Scaffold-Guided Tissue Regeneration .................................................. 14 Allow Infiltration by Living Cells While in a Submerged Cell Culture ... 15 Blood Contact ...................................................................................... 16 Figure 22. Gore Medical Teflon Foam Used in Vascular Grafts .............................. 16 Teflon-Based Product Manufactured by Gore, Inc............................... 17 Figure 24. Stainless Steel and Teflon Bjork Shiley Heart Valve ............................ 18 Figure 25. Illustration of Stent Placement ........................................................... 18 Figure 26. Nitinol Stent ........................................................................................ 19 Figure 27. Contact Lens........................................................................................ 20 Delivery Device ................................................................................... 21 in an Intimate Integration With Living Bone ....................................... 23 Used in Medicine ................................................................................. 24 Orange Dots) Through Pores and Blocks Passage of Red Blood Cells .. 25 UNCLASSIFIED/ /f81l err1e1J1ct U:!I!! eHt f V
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 32 pages are in the text index: search them above, or from the library's search.