Human Factors and Ergonomics

Human factors

Stories

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Features: Medical
SAE Media Group’s inaugural Wearable Injectors and Connected Devices USA Conference takes place in Boston, September 13–14, 2023. SAE spoke with conference speaker Alexandra Benbadis about her insights on this vital market.
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Features: Manufacturing & Prototyping
Going into 2022, remote monitoring, wearables, sensors, and other "mHealth" products are taking center stage.
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Briefs: Regulations/Standards
The updated standard allows the manufacturer to assess and mitigate risks that are associated with correct use and use errors.
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Features: Design
In this two-part series on robotics and wearable devices, part 1 highlighted the wearable device product category. Part 2 moves the discussion from wearable devices to how robotic surgery is changing the...
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Features: Wearables
The wearable device product category is exploding in healthcare design. Wearing these sensory devices that continuously collect, measure and report the user's physiology, exercise behavior, lifestyle...
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Features: Medical
Bring to mind your last straight-out-of-the-box experience with a disposable medical device of any kind. Without a doubt, everyone has experienced the same frustrations:...
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Features: Medical
Dexterity, precision, control and comfort — without them, no handheld or hand intensive medical device is a success, for either the medical professional using it...
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Features: Tubing & Extrusion
Rapid prototyping has long played a vital role in the evolution of medical device technology. Effectively applied during a product's early design stages, it can generate...
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Features: Manufacturing & Prototyping
Design validation is one of the most important aspects of the design and development process for medical devices. It is at this stage that the medical device manufacturer confirms that the device...
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Features: Medical
Incidents of nosocomial or healthcare acquired infections (HAIs) and bacteria that have become resistant to antibiotics (“superbugs”) are a concern for U.S. FDA. These ongoing incidents have...
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Features: Medical
The landscape of the medical device industry is changing, driven by emerging technologies and the influx of smart devices, telemedicine, and new patient care models. This new frontier is...
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Features: Medical
If you’ve picked up a power tool at the hardware store recently, or used a multimeter to check for power on a kitchen outlet,...
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Mission Accomplished: Medical
Inventions often find unintended uses. The first mechanical clocks in Europe were intended to track the motions of celestial bodies and found their original market among monks who kept a strict...
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Technology Leaders: Medical
Comparing the cool factor of medical device components to Robert Downey Jr.’s gleaming armor in the film Iron Man 2 is…well…tough. But compare...
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Briefs: Aerospace
Prediction of Visual Acuity from Wavefront Aberrations
Visual acuity (clearness of vision) usually is measured by an eye doctor using an eye chart. It measures the smallest letters that can be reliably identified by the patient at a specified distance. The traditional test requires the patient to look and report which letters they see.
Features: Design
Advances in medical instrumentation, implantation, imaging, and telemetric technologies combined with the need to integrate medical devices into user’s activities of daily living is...
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Features: Design
Medical devices manufactured today require significant attention to safety and human factors engineering that has not always been exercised in medical device design. IEC safety...
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Features: Manufacturing & Prototyping
Developing a medical device requires sensitivity to the delicate balance between usefulness, usability, desirability, and manufacturability. Every medical device must be useful (meet a need) and...
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Briefs: Medical
Functional Near-Infrared Spectroscopy Signals Measure Neuronal Activity in the Cortex
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...
Briefs: Medical
Healthcare professionals use medical devices in a variety of settings and situations from urgent to routine. In an emergency, any sort of confusion, hindrance, or hesitation concerning the most...
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Features: Medical
We’ve all purchased new technologies, trinkets, and toys that were so counterintuitive that it was surprising how the product ever made it to market. While a poor gadget may present little...
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Briefs: Medical
Improved Devices for Collecting Sweat for Chemical Analysis
Improved devices have been proposed for collecting sweat for biochemical analysis — especially for determination of the concentration of Ca2+ ions in sweat as a measure of loss of Ca from bones. Unlike commercially available sweat-collection patches used previously in monitoring...
Features: Manufacturing & Prototyping
In July 2010, the FDA released a warning on a number of fibrin-based bleeding control products that were demonstrated to cause air embolisms in patients when used improperly during...
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Mission Accomplished: Medical
Monitoring Outpatient Care
Each year, health care costs for managing chronically ill patients increase as the life expectancy of Americans continues to grow. To handle this situation, many hospitals, doctors’ practices, and home-care providers are turning to disease management, a system of coordinated health care interventions and communications,...
Briefs: Medical
A Constant-Force Resistive Exercise Unit
A constant-force resistive exercise unit (CFREU) has been invented for use in both normal gravitational and microgravitational environments. In comparison with a typical conventional exercise machine, this CFREU weighs less and is less bulky: Whereas weight plates and associated bulky supporting structures...

Ask the Expert

John Chandler on Achieving Quality Motion Control
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FAULHABER MICROMO brings together the highest quality motion technologies and value-added services, together with global engineering, sourcing, and manufacturing, to deliver top quality micro motion solutions. With 34 years’ experience, John Chandler injects a key engineering perspective into all new projects and enjoys working closely with OEM customers to bring exciting new technologies to market.

Inside Story

Inside Story: Validating Your Sterilization Process
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To find out more about sterile product development and registration, MDB recently spoke with Elizabeth Sydnor, Director of Microbiology of Eurofins Medical Device Testing (Lancaster, PA). Read the interview.

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