Medical

Key Considerations for Integrating Wireless Technology in Medical Devices

Significant opportunities exist to incorporate wireless technology into medical devices. Wireless technology increases the effectiveness of countless every day functions. While some simply are about the convenience factor, like being able to quickly transmit patient records from one hospital to another via email, others have the power to be lifesaving. Medical device manufacturers know that there is significant opportunity to incorporate wireless technology into medical devices. However, design engineers who are extremely knowledgeable about the design of medical devices face a number of challenges in marrying off-the-shelf wireless chipsets with proprietary medical devices in development.

Posted in: Bio-Medical, Manufacturing & Prototyping, Electronics, Electronic Components, Medical, Briefs, MDB

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Fifty Years of Small Diameter High Quality Precision Tube Technology

Technology, applications, and materials evolve from analog meters to cutting edge medical devices. Over the past fifty years, thin wall small diameter precision metal tubing has undergone quite a transformation. From its use in the mid-1960s as pointers for analog meters, tubes have become essential components in the most cutting edge medical devices. To make that transition, precision tube companies have had to adapt to changing technology, applications, and materials.

Posted in: Bio-Medical, Manufacturing & Prototyping, Custom & Contract Manufacturing, Materials / Adhesives / Coatings, Materials, Metals, Medical, Briefs, MDB

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Micro-Endoscope as Thin as a Human Hair

Single fiber endoscope increases resolution fourfold over previous similar devices. Engineers at Stanford University have developed and demonstrated a prototype single-fiber endoscope that, they say, quadruples the resolution over existing designs, which might lead to the development of needle-thin, minimally invasive endoscopes able to view features out of reach of today’s instruments.

Posted in: Bio-Medical, Imaging & Diagnostics, Monitoring & Testing, Electronics, Optics/Photonics, Imaging, Photonics, Fiber Optics, Optics, Medical, Diagnostics, Briefs, MDB

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Hand-Based Biometric Analysis

Hand-based biometric analysis systems and techniques provide robust handbased identification and verification. An image of a hand is obtained, which is then segmented into a palm region and separate finger regions. Acquisition of the image is performed without requiring particular orientation or placement restrictions. Segmentation is performed without the use of reference points on the images. Each segment is analyzed by calculating a set of Zernike moment descriptors for the segment.

Posted in: Bio-Medical, Medical, Briefs, MDB

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Choosing Chiller Pumps to Cool Medical Lasers

Medical lasers must be cooled either by premounted or portable chiller systems. Laser systems continue to grow in application use throughout the medical industry. Applications for laser systems include diagnostic analysis systems, DNA sequencing systems, dental cleaning and surgery, skin care, eye surgery, tattoo removal, and much more. These systems commonly require cooling of the laser and other electronic components either by air flow on lower power laser systems, or by fluid circulation/chiller systems on higher power lasers. Higher power laser require an increased level of cooling capacity that results in systems that provide several gallons per minute of fluid circulation. This increased flow rate will maintain the laser and other electronics at the proper operating conditions.

Posted in: Bio-Medical, Manufacturing & Prototyping, Custom & Contract Manufacturing, Drug Delivery & Dispensing, Mechanical Components, Photonics, Lasers & Laser Systems, Medical, Drug Delivery & Fluid Handling, Briefs, MDB

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New Material Enables Improved Ultrasound

Ultrasound technology could soon be improved to produce high-quality, high-resolution images, thanks to the development of a new key material by a team of researchers in the Department of Biomedical Engineering at Texas A&M University, College Station.

Posted in: Bio-Medical, Imaging & Diagnostics, Optics/Photonics, Imaging, Optics, Materials, Metals, Medical, Patient Monitoring, Diagnostics, Nanotechnology, Briefs, MDB

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Functional Near-Infrared Spectroscopy Signals Measure Neuronal Activity in the Cortex

This non-invasive monitoring method can be used to evaluate the mental state of people performing critical tasks. Functional near infrared spectroscopy (fNIRS) is an emerging optical neuroimaging technology that indirectly measures neuronal activity in the cortex via neurovascular coupling. It quantifies hemoglobin concentration ([Hb]) and thus measures the same hemodynamic response as functional magnetic resonance imaging (fMRI), but is portable, non-confining, relatively inexpensive, and is appropriate for long-duration monitoring and use at the bedside. Like fMRI, it is noninvasive and safe for repeated measurements. Patterns of [Hb] changes are used to classify cognitive state. Thus, fNIRS technology offers much potential for application in operational contexts. For instance, the use of fNIRS to detect the mental state of commercial aircraft operators in near real time could allow intelligent flight decks of the future to optimally support human performance in the interest of safety by responding to hazardous mental states of the operator. However, many opportunities remain for improving robustness and reliability. It is desirable to reduce the impact of motion and poor optical coupling of probes to the skin. Such artifacts degrade signal quality and thus cognitive state classification accuracy. Field application calls for further development of algorithms and filters for the automation of bad channel detection and dynamic artifact removal.

Posted in: Bio-Medical, Medical, Briefs

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