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This Defense Intelligence Reference Document, dated 31 March 2010 and numbered DIA-08-1003-020, was prepared by the Defense Intelligence Agency's Defense Warning Office under its Advanced Aerospace Weapon System Applications Program. It surveys biosensors and biomedical microelectromechanical systems, covering brain-implanted micromachine neuroelectrodes, drug-delivery pumps, glucose sensors, neural interfaces, retinal prostheses, microfluidic lab chips, NASA cell-culture systems and microcantilever sensors. It concludes that the field is expanding rapidly, with nanomechanical systems expected to follow.
From the source: Release of 2026-09-18 Incident: 3/31/10, 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 surveys biosensors and BioMEMS, a broad class of miniature biomedical devices that combine microscale engineering with sensing, fluid handling, stimulation, or drug-delivery functions. The report reviews major application areas including implantable blood-chemistry sensors, neural interfaces, neurostimulation, drug-delivery pumps, microfluidic systems, and emerging nanoscale extensions of the field, while emphasizing that miniaturization can improve sensitivity and enable functions that are difficult or impossible at larger scales. However, it also makes clear that practical development is constrained by biocompatibility, long-term stability, sensor drift, device degradation inside the body, and the high regulatory burden associated with implantable medical systems. The document presents BioMEMS as a rapidly growing and productive field whose future advances are likely to come through continued improvements in fabrication, materials, and reliability.
UNCLASSIFIED/ /P'OR: OP'P'l@IAL WS& 0Nk¥ to gain federal approval there may be biocompatibility issues to resolve, clinical trials to perform, and Food and Drug Administration (FDA) requirements to satisfy. CATEGORIES OF BIOMEMS We divide the BioMEMS field into several subcategories. Some devices are targeted to be implanted into the human body or are applied to the body. Many of these are being developed as alternatives to drugs which therapeutically treat illness or disease. There is also activity in using microscale stimulation devices to treat neurological disorders such as epilepsy and Parkinson's disease and to treat neurological injuries such as stroke or trauma to the spinal cord. Another promising field of research is directed towards integration of the human brain with microelectrical components. For example implants are being developed which allow volitional (thought) control of machines. Most of this effort is targeted towards rehabilitation of individuals who are quadriplegics in order to allow them some control over their environment. Then there are devices being developed for clinical applications such as rapid blood analysis, and t here are those targeted for benchtop biological research. I n this review, the focus is on specific microscale and MEMS-based devices t hat are used in medicine and biology . These include: • Micromachines that interface to brain electrodes. • Blood glucose sensors. • Microfluidics. • Neural Interfaces. • Neurostimulators. • Microbeam sensors. Several of these technologies have been the subject of research by the present author and by colleagues at Arizona State University. BioMEMS Micromachines Micromachines made by photol ithography are among the most complex and sophisticated of all MEMS devices. They have seen some application in various forms of biomedical devices where motion must be achieved with an implantable device. Motion within the human body by a device is difficult since it implies sliding surfaces, a need for electrical power, and long term reliability and stability. Biomedical implants are usually introduced by surgery and so once implanted cannot be easily removed for servicing. UNCLASSIFIED/ (FOR OFFICIO! P!Sli Qllk¥ 3
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Official release, from the pursue collection. The PDF is mirrored here; the original link is above. 45 pages are in the text index: search them above, or from the library's search.