Wednesday, June 17, 2009

HyGreen Active Sensor Network Makes Sure Hands Are Kept Clean

Filed under: Critical Care , Medicine , Surgery


Even though a proper and frequent hand washing in healthcare and food service industries is a strict requirement, it is often too easily ignored. On top of it, monitoring the compliance is obviously lacking. But the change is in the air. A new compliance monitoring system that uses sensors to smell the presence of soap on clinicians' hands has been developed at the University of Florida. Coupling RFID technology to keep an eye of who washed their hands where and when, the system lets doctors and nurses know if they need a refresher, while the management keeps tabs on overall facility cleanliness.

The trademarked system, called HyGreen, logs, down to the second, the frequency of hand cleaning and contact with patients in a database that clinical supervisors can review immediately.

This is the first system that enables real-time monitoring of hand washing.

HyGreen is now being tested in the Neuro Intensive Care Unit at Shands at UF medical center, and will be presented at the annual meeting of the Association for Professionals in Infection Control and Epidemiology June 6 to June 9 in Fort Lauderdale, Fla.

Here’s how it works: The health-care worker squirts sanitizer gel or soap into his or her hand before passing it under a wall-mounted sensor. A wireless signal from a badge worn by the worker activates a green light on the hand-washing sensor. When the worker enters a patient room, a monitor near the bed detects the status of the badge, and flashes green if the person has clean hands. If the person has not washed, or too much time has passed between washing and approaching the patient, the badge will give a gentle “reminder” vibration.

Video from Xhale, Inc, the company marketing HyGreen:

Screenshots of the reporting system can be found here...

Press release: Soap-sniffing technology encourages hand washing to reduce infections, save money...

Product page: HyGreen...

Product brochure: HyGreen...

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replies: 2 comments
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Great post. I caught it a couple weeks ago and had a couple hospitals ask questions about it. Nice they have added the video too. I would think the system would pay for itself pretty quickly too.

http://ducknetweb.blogspot.com/2009/06/real-time-monitoring-of-when-you-washed.html


Posted by: Medical Quack
on June 17, 2009 04:21 PM GMT

Although I applaud the efforts of the developers for trying to deal with nosocomial infections I feel like this system will run into a few problems, especially in larger clinics.

Physicians aren't the only ones who have patient contact and in a large percentage of cases the nurses and techs will have most, if not all, of the direct patient contact. Nurses, and especially techs go in and out of patient rooms (very frequently in the ER) for something other than to check the patient. They may be monitoring vitals, grabbing clean linens, restocking, cleaning the room, preparing treatment set ups, a multitude of things.

It is completely unrealistic to expect a tech to was his hands 6 times to restock linens in 6 different rooms. Will this record as 6 unwashed patient encounters? Won't this affect the data being collected? There are so many patient contacts that go unnoticed that this may serve to open eyes but I doubt the accuracy of "unwashed patient encounters" that they will receive in departments that either have a high patient turnover or make use of a large auxiliary staff.

And the little flashing green light is a good indicator to patients that they need to protect themselves but I think gloves are just as noticeable and if we could commit to wearing gloves for all patient contact (compliance is a large issue here, maybe we need the patients to be the impetus) will cut down on direct contact transmission quite a bit.

Anyway, I like the system but I feel there are a few flaws that could make the collected data far skewed, but it is a step in the right direction.

Personally I think putting stats like "250 people die every day due to infections they contract in the hospital" will be very effective, but we hate to make ourselves look bad. Patients need to be just as accountable as the caregivers but we need to inform them of the dangers so they can actively protect themselves.


Posted by: Tye
on June 17, 2009 06:04 PM GMT

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