HOME >> MEDICINE >> NEWS
Miniature implanted devices could treat epilepsy, glaucoma

ue.

"We looked at the equivalent of the amount of skin that you have on your scalp, which is about 2 or 3 millimeters," Irazoqui said. "We have demonstrated that the transmitter does penetrate the thickness of tissue that would be required for this application."

The smaller the power consumption, the smaller the battery, which is critical for implantable devices. The battery in the Purdue device is about the size of a nickel. The signals are amplified, digitized and transmitted to the external receiver.

The research represents half of a larger collaboration at Purdue focusing on creating a neuroprosthesis that dispenses a neurotransmitter called GABA and calms the brain once the onset of a seizure is detected. This work is a collaboration between Irazoqui and Jenna Rickus, an assistant professor of biomedical engineering.

The technology is designed to prevent an epileptic "focal seizure," which starts in a specific area of the brain but can then quickly spread to the rest of the brain "like a brush fire," Irazoqui said.

"Once you find out where that focal area is, if you know the seizure is about to start you can suppress the seizure," he said.

Rickus has developed a "living electrode" coated with specially engineered neurons that, when stimulated, releases the neurotransmitter to inhibit the seizure. The engineered neurons are living tissue stimulated with a microchip.

Rickus and Irazoqui have shown that a certain amount of electrical current causes the neurons to release specific and controllable quantities of neurotransmitter.

"The idea is that by using an engineered cell to release a neurotransmitter, we have a drug pump, in essence, that automatically refills itself and that only impacts the part of the brain where the living electrode is implanted: the epileptic focus," Irazoqui said. "So you are not going to get the side effects that you get by washing the entire body in a particu
'"/>

Contact: Emil Venere
venere@purdue.edu
765-494-4709
Purdue University
7-Aug-2007


Page: 1 2 3 4 5

Related medicine news :

1. Are one-third of costly implanted heart devices unnecessary? New study suggests yes
2. NHLBI and NIH statements on totally implanted permanent artificial heart
3. New implanted contacts designed to fix nearsightedness
4. Test identifies best candidates for implanted cardiac defibrillator, screens out those not helped
5. Magnetic probe successfully tracks implanted cells in cancer patients
6. New mechanical heart implanted at the MUHC
7. New insights into cost-effectiveness of implanted heart device
8. Chinese children with hearing devices benefit from new speech test
9. Home health care devices focus of FDA Conference at UH
10. Spanish project AmIVital creates intelligent communication devices for elderly and disabled people
11. All intravascular devices pose risk of bloodstream infection to patients, study finds

Post Your Comments:
*Name:
*Comment:
*Email:


(Date:5/27/2017)... ... May 26, 2017 , ... A May 8 ... a doctor for colds or respiratory issues that are not responsive to antibiotics nevertheless ... on doctors may be largely responsible for the problem both in Canada and the ...
(Date:5/27/2017)... ... 2017 , ... In any business, follow up is critical to success. It ... at presenting treatment, there will always be some patients who can’t or won’t make ... best practices when it comes to presenting treatment. After the patient leaves, most ...
(Date:5/27/2017)... Santa Rosa, CA (PRWEB) , ... May 27, 2017 , ... ... show cause for concern, but a new study from the Osteoarthritis Initiative ... vulnerable to developing knee osteoarthritis. Knowing this in advance may give doctors the opportunity ...
(Date:5/26/2017)... ... May 26, 2017 , ... ... this week to review more than eighty-nine grant submissions all vying for nearly ... scientists in the Parkinson’s field.     , The American Parkinson Disease Association (APDA) is ...
(Date:5/26/2017)... ... May 26, 2017 , ... The Radiology ... to focus on current legislative activity and the latest regulatory concerns impacting RBMA ... Sunday, Sept. 10, and will continue through Monday, Sept. 11, at the Ritz-Carlton, ...
Breaking Medicine News(10 mins):
(Date:5/18/2017)... , May 18, 2017  Two Bayer U.S. ... Association (HBA) during its recent 28 th ... City.  The event showcases HBA,s longstanding mission of furthering ... of healthcare. Cindy Powell-Steffen , senior ... U.S. Radiology division, and Libby Howe , a ...
(Date:5/15/2017)... 2017 Enterin Inc., a privately-held CNS pharmaceutical company ... compounds to treat Parkinson,s disease (PD), has enrolled the first ... 1/2a randomized, controlled, multicenter study involving patients with PD and ... patients over a 9-to-12-month period. The first stage is open ... PD. Participating sites include Denver , ...
(Date:5/10/2017)... 2017 Hologic, Inc. (Nasdaq: HOLX ... fiscal second quarter ended April 1, 2017 .   ... 666.7% compared to the prior year period as the ... significant gain, while non-GAAP diluted EPS of $0.50 increased ... in constant currency terms.  Excluding the effects of blood ...
Breaking Medicine Technology:
Cached News: