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  • Tissue Cooling Negative Pressure Wound Therapy | TechLink
    to a reservoir over a wound which aids in closing the wound and promoting blood flow to the area while stimulating the formation of granulation tissue and migration of healthy tissue over the wound Localized cooling has been shown to enhance recovery of injuries through analgesic and anti inlammatory properties as well as slowing bacterial growth Image Right The Technology Orthopedic extremity trauma accounts for 65 of combat wounds over half of which are penetrating soft tissue wounds Treatment of open wounds has long been a troublesome area in the practice of medicine Open and complex wounds heal more slowly than other wounds and are susceptible to higher infection rates The US Naval Medical Center at Portsmouth is developing a system that combines negative pressure wound therapy for improved healing with localized cooling of tissue through a cryostatic foam dressing to reduce infection Negative pressure wound therapy addresses the many shortcomings of mechanical wound closure devices It works by reducing pressure to a reservoir over a wound which aids in closing the wound and promoting blood flow to the area while stimulating the formation of granulation tissue and migration of healthy tissue over the wound Localized cooling has been shown to enhance recovery of injuries through analgesic and anti inlammatory properties as well as slowing bacterial growth Benefits Best of both worlds combines state of the art wound therapy for treating and draining open wounds with technology that increases comfort and reduces infection Potential applications Open wounds incisions pressure sores ulcers and burns The Opportunity The Navy is seeking a partner who can help to develop an improved prototype for the ongoing evaluation and development of the technology as well as a licensee with ambitions to obtain FDA approval and to achieve commercialization The Navy has filed a nonprovisional patent

    Original URL path: http://techlinkcenter.org/summaries/tissue-cooling-negative-pressure-wound-therapy (2016-02-09)
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  • Method and apparatus using acoustic sensor for sub-surface object detection and visualization | TechLink
    research and licensing opportunities please contact any of our Tech Managers at http techlinkcenter org about staff Patent Identifier 6536553 Status Active Agency Army An apparatus for detecting an underground abject includes a container in contact with the ground surface a medium disposed in the container at least one acoustic sensor disposed in the medium in the container and an output device connected to the acoustic sensor A portion of the container in contact with the ground is substantially acoustically transparent and conforms to contours of the ground The acoustic impedance of the medium in the container is substantially the same as the acoustic impedance of the ground A method of detecting an underground object includes receiveing reflected acoustic noise with at least one acoustic sensor immersed in a medium the mediukm being desposed in a container in contact with a ground surface converting the reflected acoustic noise to electrical signals and using an output device converting teh eletrical signals to a form that can be sensed by a human to determine if the undergroung object has been detected USPTO url http patft uspto gov netacgi nph Parser Sect1 PTO1 Sect2 HITOFF d PALL p 1 u Facebook Twitter Google

    Original URL path: http://techlinkcenter.org/patents/6536553 (2016-02-09)
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  • Laser Trace Vaporization for Enhanced Chemical Detection | TechLink
    existing detectors and detection methods can be enhanced by the instantaneous vapor created by LTV LTV is particularly useful for the detection of low vapor pressure targets including many explosives and drugs The low evaporation rate of such materials typically requires close contact or a long dwell time to detect Testing of the LTV system has shown increased sensitivity to low vapor pressure targets by more than one hundred times Detection of trace chemicals including explosives and drugs is a vital goal for a variety of law enforcement military and homeland security applications Current trace detection systems typically involve close contact measurement swabbing and or long detection times Such methodologies are time consuming and can lead to false negatives Laser Trace Vaporization can greatly enhance the performance of existing detection systems Benefits Effective The excitation of target materials greatly enhances detectability especially for low vapor pressure chemicals for example LTV increased the evaporation rate of ammonium nitrate 356 fold Fast and Portable The laser source of LTV provides an instantaneous boost to analyte detection Simple COTS Components LTV can easily be incorporated into existing detection systems and built to a variety of cost and performance specifications using a wide range

    Original URL path: http://techlinkcenter.org/summaries/laser-trace-vaporization-enhanced-chemical-detection (2016-02-09)
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  • Magazine Feed Lips Gauge | TechLink
    Picatinny is a national and international leader in the research development engineering and production support for advanced weapons systems The device has been designed to check the maximum and minimum tolerances of the magazine s feed lips A faulty or damaged ammunition magazine can result in an unreliable or faulty weapon putting a soldier or law enforcement officer s life at stake The apparatus is a simple T shaped GO NO GO tool that is quickly used by sliding the tool against the magazine s groove contour Prototypes are available for testing that have been adapted for magazines used in the U S military s standard issue service rifle the M16 Benefits There is no current inspection method other than visual Prevents use of malfunction prone magazines Increases reliability of associated weapon and soldier survivability The Opportunity The US Army has a need to provide a quick and simple test to confirm the functionality of their primary service rifle The magazine feed lips wear tool allows for reliable confirmation that the ammunition magazine meets required max min tolerances and that the magazine has not been damaged A patent has been issued to the U S Army patent No 7117626 and

    Original URL path: http://techlinkcenter.org/summaries/magazine-feed-lips-gauge (2016-02-09)
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  • Improved Tissue Sections for Light and Electron Microscopy | TechLink
    creating a preserved free floating cryostat skin section for easy processing and analysis from light microscopy to electron microscopy Key benefits result when immunolabeling experiments need to be done quickly as required for diagnostic and accelerated investigative strategies Skin samples don t retain intact antigenic binding sites with standard fixation and are not amenable to vibratome sectioning so cryosectioning is necessary to create functional samples for immunohistochemistry Conventional frozen skin sections tend to be thick and do not lend themselves to both light and electron microscopy The Army s procedure for floating the skin sections and applying a cryoprotectant solution after cryopreservation results in good immunostaining good ultrastructural integrity of the basement membrane zone and good morphological clarity using the same sample under light and electron microscopy Benefits Faster Rapid results from immune staining using light and electron microscopy Clearer Avoids the clumping and thickness associated with traditional cryo and vibroatome sections Versatile Potential applications for diagnosis of immune related skin and renal disorders in addition to the demonstrated value in the diagnosis of skin basement proteins The Opportunity Available for license and commercialization One issued US patent 6 555 334 Peer reviewed journal article available Potential for R D

    Original URL path: http://techlinkcenter.org/summaries/improved-tissue-sections-light-and-electron-microscopy (2016-02-09)
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  • Pseudo-Monolithic Spatial Heterodyne Spectrometer Interferometer | TechLink
    to a Fourier transform spectrometer FTS in that it also features a beamsplitter which divides the incoming signal into two interferometer arms However in SHS the latter terminate at fixed tilted gratings that impose a wavelength dependent tilt onto the diffracted wavefronts After recombination at the beamsplitter and imaging onto a detector array a complete interferogram can be recorded without using any moving parts Benefits Rugged No moving parts coupled with a self aligning nestled design High throughput Performance comparable to field widened FTS but much easier to design and implement field widening concepts Excellent on moving platforms and rapidly changing scenes SHS is insensitive to spectral errors caused by changing scenes It is ideal in applications where jitter is a concern such as on airplanes or ground vehicles and for imaging fast events such as combustion processes or explosions Reduced manufacturing cost Broadened optical tolerances coupled with the simple flexible design allows C SHS to enjoy reduced costs and assembly time compared to traditional monolithic SHS The Opportunity SHSs have been successfully deployed for satellite remote sensing of the Earth s atmosphere planetary astronomy and laboratory spectroscopy C SHS in LWIR has been demonstrated in the laboratory Available for

    Original URL path: http://techlinkcenter.org/summaries/pseudo-monolithic-spatial-heterodyne-spectrometer-interferometer (2016-02-09)
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  • Photothermal Infrared Imaging Spectroscopy (PT-IRIS) for Stand-off Trace Detection | TechLink
    as small as a single grain less than one nanogram and is effective at distances out to tens of meters indoors and outdoors The complete detection protocol can be performed in the sub second time domain and utilizes compact eye safe lasers The technology has been tested against a variety of analytes with extensive testing against explosives such as TNT and RDX at up to 30 meters Detection of trace chemicals including explosives is a vital goal for a variety of law enforcement military and homeland security applications Current trace detection systems typically involve swabbing methods that require direct contact with the surface Such methodologies are time consuming PT IRIS enables a fast effective eye safe means of detecting trace amounts of chemicals of interest at stand off distances utilizing compact commercially available technologies Benefits Sensitive and Selective Able to detect single grains of trace chemicals and selective enough to differentiate between target materials Especially useful for the detection of low vapor pressure materials including various explosives and drugs such as cocaine Fast and Portable Detection completed in less than a second from a stand off distance using compact field portable equipment Invisible wavelengths also enable stealth operations Flexible COTS

    Original URL path: http://techlinkcenter.org/summaries/photothermal-infrared-imaging-spectroscopy-pt-iris-stand-trace-detection (2016-02-09)
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  • Intense Pulsed Active Interrogation System for Detection of Special Nuclear Materials | TechLink
    gamma ray sensors and sensor networks The design enables the scanning of ships trucks airplanes and other cargo carriers at normal transit speeds A variety of commercially available sensors are compatible with the system including devices developed in cooperation with DTRA The single intense pulse interrogation of the DTRA system elicits a prompt response from the Special Nuclear Material SNM making it possible to interrogate fast moving objects in a matter of seconds The nature of the pulse also boosts the signal compared to the natural background and pulse power active interrogation technology is capable of simultaneously producing both neutron and gamma ray probing radiations from a single source The detection of SNM such as uranium 235 and plutonium is an ongoing national security interest Radiation portal monitors exceed 150 000 in cost but are susceptible to variations in background radiation and not selective against naturally occurring radioactive material common in commerce Advanced spectroscopic portals have also been deployed but they are costly and have a limited production capacity The DTRA system holds potential to quickly and accurately detect SNM The development of this technology reflects a DTRA partnership with the Naval Research Laboratory NRL and several radiation detector developers Additional background can be found in DTRA Active Interrogation System overview also linked below and conference proceedings with more details on the NRL interrogator system can be found at IEEE Xplore Benefits Fast Detection time of three seconds is 40 times faster than a linear accelerator system Accurate Measuring the short duration prompt neutron signal gives a false alarm probability of less than one in a million Flexible A wide variety of existing passive sensors and sensor aggregators can be incorporated to tailor a detection system to a wide array of specific requirements The Opportunity Issued US Patent 8 110

    Original URL path: http://techlinkcenter.org/summaries/intense-pulsed-active-interrogation-system-detection-special-nuclear-materials (2016-02-09)
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