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Human Factors: What's The Difference Between 'Summative' And 'Formative' Usability Testing?

 
• By Shawn M. Schmitt

Human factors studies can be "summative" or "formative," and the two types typically call for different numbers of study participants. Summative testing is a form of device validation, while formative usability tests are lightweight studies usually conducted early in the design process. Experts weigh in.

The May 2009 "Silver Sheet" article, "FDA Stresses Human Factors Design For Home-Use Devices," reported that FDA expects a manufacturer to enroll a minimum of 15 subjects when conducting a human factors study.

However, it was not made clear in the article that the agency, when advising the use of 15 subjects, was...

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Final Chance To Have Your Say: Take Our Reader Survey This Week

 
• By Ryan Nelson

Editor’s note: This is your final call to participate in the survey to better understand our subscribers’ content and delivery needs. The deadline is 20 September.

Shape Our Content: Take The Reader Survey

 
• By Ryan Nelson

Editor’s note: We are conducting a survey to better understand our subscribers’ content and delivery needs. If there are any changes you’d like to see in coverage topics, content format or the method in which you receive and access Medtech Insight, or if you love it how it is, now is the time to have your voice heard.

Patients With Movement Disorders Will Benefit From Medtronic’s Expanded MRI Labeling For DBS

 
• By Marion Webb

Medtronic announced it received expanded MRI labeling for its DBS systems, which is critical, given that almost 70% of all DBS-eligible patients will likely need an MRI at some point in their care, says Ashwini Sharan, CMO for Medtronic Neuromodulation.

Podcast: Lung Life AI CEO Shares Regulatory And Reimbursement Journey For Lung Cancer Diagnostic

 
• By Natasha Barrow

In this episode, Medtech Insight reporter Natasha Barrow speaks to LungLife AI CEO Paul Pagano. Lung Life AI is a US-based AIM-listed medical technology company that has developed a liquid biopsy test for the early detection of lung cancer called Lung LB. Pagano runs through the highlights of Lung Life AI journey to date and its future ambition for a strategic partnership. He also provides advice to similar diagnostic companies seeking reimbursement andcompliance with the US FDA Lab Developed Test ruling.

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Ellipsis Raises $45M To Expand AI Care Manager Across Health Systems

 
• By Marion Webb

Ellipsis said it will use its new funding to expand its AI-powered voice assistant Sage across health systems. Ellipsis is part of the global vocal biomarker market, which is expected to exceed $9bn by the end of 2033, according to a research market report.

US FDA Unveils Plans To Consolidate Support Services

 
• By Derrick Gingery and Sue Sutter

Commissioner Martin Makary told staff that plans are being developed to centralize HR, IT, travel and other functions, which were heavily impacted by the 1 April reduction-in-force.

A Year After Exiting The Ventilator Market, Medtronic Recalls Thousands Of Newport Devices

 
• By Brian Bossetta

After two serious injuries and one death linked to some of its ventilators, Medtronic has recalled the devices and asked customers to stop using them and find alternative means. The action comes more than a year after the company left the market.