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Electronic News & Comment
Slideshow: Top Medical Tech Engineering Innovations
3/30/2012

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Jesse Sullivan, a Tennessee power company lineman whose arms were amputated after he was electrocuted on the job, now has artificial limbs that let him rotate his wrists and upper arms, bend his elbow, grip with his hand, and, incredibly, feel. Sullivan's arm employs nerves from the chest muscle. When that muscle contracts, a myoelectric sensor atop his skin detects the contraction and sends it to an amplifier and then to a digital signal processor (DSP) in the Boston Digital Arm. The arm's DSP interprets the signal and then sends a command to the hand motor, which closes the hand. (Source: Liberating Technologies)
Jesse Sullivan, a Tennessee power company lineman whose arms were amputated after he was electrocuted on the job, now has artificial limbs that let him rotate his wrists and upper arms, bend his elbow, grip with his hand, and, incredibly, feel. Sullivan's arm employs nerves from the chest muscle. When that muscle contracts, a myoelectric sensor atop his skin detects the contraction and sends it to an amplifier and then to a digital signal processor (DSP) in the Boston Digital Arm. The arm’s DSP interprets the signal and then sends a command
to the hand motor, which closes the hand.
(Source: Liberating Technologies)

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Ann R. Thryft
User Rank
Blogger
Re: Looks like sci-fi
Ann R. Thryft   4/3/2012 8:50:27 AM
NO RATINGS

Chuck, I'm amazed you remember that one--heck, I'm amazed I did. I'd completely forgotten it until I saw that first slide in this slideshow. And seeing that slide gave me a shiver--it had scared the heck out of me when I saw it the first time. It is weird to see that old science fiction coming alive.


Charles Murray
User Rank
Blogger
Re: EZ-IO
Charles Murray   4/10/2012 8:44:41 PM
EZ-IO is one of my favorite technology stories, EEMedic. I'm glad to hear the technology is having such a lifesaving effect in the field. The story behind the invention is amazing. The physician who invented it was in part inspired by the work of his father, an automotive engineer.

http://www.designnews.com/document.asp?doc_id=228731

 

EEMEDIC
User Rank
Silver
Re: EZ-IO
EEMEDIC   4/16/2012 11:26:37 AM
Interesting...never knew the story behind the device...just know that we like it a lot!  Our regional EMS office has required that we carry either the EZ-IO or another device that is spring loaded...almost every agency has chosen the EZ-IO, even though the cost was a little higher, its easy of use and simplicity won out.

sensor pro
User Rank
Gold
Re: EZ-IO
sensor pro   4/16/2012 12:46:06 PM
What a great story. I love to read about issues that are both interesting technology wise and helpful to humans. Very interesting and informative.

Thanks

William K.
User Rank
Platinum
Slideshow of medical engineering innovations.
William K.   4/16/2012 10:57:56 PM
The slideshow is certainly impressive. Engineers have done quite a lot, it appears. This is the sort of stuff that should be presented to kids as an incentive to pursue engineering careers.

Amclaussen
User Rank
Platinum
Re: Advancements to improve the human condition.
Amclaussen   5/3/2012 3:11:55 PM
Very well said.  What a contrast to those "human" beings that work in aerial drone design and manufacture, that mostly ignore the terrible consecuences of killing human beings from far away.  So much for Nobel Prize "peace" dignitaries that actively promote such uses for technology. I congratulate you for choosing the most ethic way to use your knowledge. Amclaussen.

JimT@Future-Product-Innovations
User Rank
Blogger
Re: Advancements to improve the human condition.
JimT@Future-Product-Innovations   5/7/2012 11:20:52 PM
Thanks for the word of encouragement - - - appreciate the nod.

Charles Murray
User Rank
Blogger
Re: Slideshow of medical engineering innovations.
Charles Murray   5/8/2012 9:34:23 PM
I agree, WilliamK. Bioengineering is one of the inspiring areas of engineering today. Doctors get all the credit for saving lives, but developments in medical electronics save tens of thousands of lives that we never hear about. 

bobjengr
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Platinum
Biomedical Engineering
bobjengr   5/19/2012 2:51:36 PM
NO RATINGS

I agree completely—the field of Biomedical Engineering is truly fascinating and growing by leaps and bounds.   Just today I was talking to an entering sophomore at Purdue University about career fields in engineering.  I mentioned Biomedical and indicated to her that, if I had to do it all over again, I would choose that field.   I feel the technology is progressing at a very rapid pace and biomedical robotics has ever increasing importance and is just in its infancy.  We see daily the men and women who come back from Iraq and Afghanistan with limbs missing and wonder what remedies exists for such terrible wounds.  The solution may eventually be robotic arms, legs, feet.  Doctors can't do this—only engineers.

EEMEDIC
User Rank
Silver
EZ-IO Save
EEMEDIC   8/16/2012 9:36:48 AM
Just figured I would add another comment to the EZ-IO...my EMS agency saved another life using the EZ-IO last week. NOTE: I was NOT involved in this event; I am just relaying the info from other EMS providers who were there. A woman collapsed at a local bank, bystanders performed CPR and called 911. When our EMS crew arrived they found the woman in cardiac arrest in an EKG Rhythm called Ventricular Fibrillation, or V-Fib, they defibrillated the patient with no change in rhythm and continued CPR.  For those of you not in the medical field, an EKG rhythm of V-Fib is 100% fatal without rapid treatment.  The crew used the EZ-IO to obtain access for medication administration. They then administered multiple medications and defibrillated the patient several times while transporting the patient to the closest hospital. Upon arrival at the hospital the patient had a pulse, a decent blood pressure, and was breathing on her own. She spent several days in the ICU and was then discharged home and has made a full recovery with no loss of function. The crew stated that the EZ-IO definitely allowed them to get vascular access quicker than a standard IV would have and were therefore able to administer medications much more quickly, which is very important for a patient in V-Fib who does not respond to defibrillation alone.  Many factors came together just right to save this woman's life, especially the quick action of the bystanders, but EZ-IO also played a very important role.

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