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Re: [IP] Yet another widget....

Maybe ten years

email @ redacted wrote:

> Thursday February 1 3:18 PM ET
> Researchers Develop Dual Glucose-Insulin Sensor
> By Kirell Lakhman
> NEW YORK (Reuters Health) - Researchers in New Mexico have developed an
> implantable sensor that can simultaneously monitor glucose and insulin levels
> in the blood to help patients with diabetes better manage their disease.
> Diabetics already use chemical strips that rely on drops of blood or urine to
> monitor glucose levels, and even sophisticated implants that track the amount
> of insulin in the blood to help anticipate changes in glucose levels. But
> until now, there has not been a device that could perform both functions.
> Dr. Joseph Wang and a team of scientists at the University of New Mexico in
> Las Cruces used electrochemistry and computer technology to integrate these
> two concepts into a device that can gather both kinds of data through one
> small, implantable needle that operates as a sensor.
> To develop the sensor, Wang filled a needle about the size of a hypodermic
> needle with two tiny lengths of tubing that collect electrochemical data on
> glucose and insulin levels and transfer it to a computer. All of this happens
> in real time, while the device is implanted, the researchers report in the
> February 15th issue of Analytical Chemistry.
> Although the sensor is still in very early stages--the needle was tested
> while hooked up to a machine that simulates fluctuating levels of glucose and
> insulin production--Wang believes it may become the standard of care for
> patients with diabetes.
> ``The trend is to replace the widely used glucose-monitoring strip with
> implantable devices,'' Wang said in an interview with Reuters Health. ``It is
> very important for patients to be able to measure the ratio between the
> insulin and blood, and help them manage their diabetes better.''
> Insulin is the hormone that regulates blood sugar (glucose) levels. Without
> the hormone, blood sugar can rise to levels high enough to put patients into
> a coma.
> To combat these imbalances, patients are prescribed insulin either as a pill
> or via an implantable sensor and pump that monitors the level of glucose in
> the blood and, when that level climbs too high, injects a prescribed amount
> of insulin directly in the skin.
> There are more than 15 million people in the US who have diabetes, and
> another 800,000 are diagnosed with the disease each year, according to the
> American Diabetes Association. Roughly 95% have type 2 diabetes, which means
> that they produce inadequate or inconsistent amounts of insulin. People with
> type 1 diabetes, by comparison, do not generate insulin at all.
> Wang said that although he hopes to launch clinical trials of the device next
> summer, he stressed that he and his team have a long way to go. ``We must
> first make the device biocompatible, scale it down and make the needle
> smaller, and improve the electronics,'' he said in the interview.
> Ultimately, Wang foresees a device that costs between $25 and $30 and is
> implanted for 3 to 4 days and then replaced. Although he said that he has not
> yet been approached by pharmaceutical companies interested in sponsoring his
> device, potential investors might include Abbott, Biovail, Roche and Johnson
> & Johnson. The study was funded by the National Institutes of Health (news -
> web sites).
> SOURCE: Analytical Chemistry February 2001.
>  ---------------------------------------------
> Did I read 'implantable for 3 or 4 days'? And then must I return to
> Outpatient Surgery for a new implant? I don't think soooooooo...
> Regards,
>  Gil Linkswiler
> ----------------------------------------------------------
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