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| Medical Buzz |
| HeartCheck Pen Handheld ECG for At-Home Cardiac Monitoring |
CardioComm out of Victoria, Canada received marketing clearance from the FDA to bring its HeartCheck Pen Handheld ECG to the U.S.
The device can be used by the patients themselves at home and comes with software the allows recorded telemetry to be uploaded to the company’s C4 medical call service telemedicine group where physicians can analyze the data.Features from the product page: • easy to use • accurate heart readings in only 30 seconds • Store up to 20 ECGs • ECGs can be printed or downloaded to a computer • ECGs can be monitored remotely by a physician, clinic, or ECG co-ordinating centre. New biochip measures glucose levels in saliva Glucose levels are 100 times more concentrated in blood than in saliva, which is why in spite of many efforts to use saliva, diabetics are still pricking themselves to get accurate glucose readings.But now, harnessing the power of nanotechnology, engineers at Brown University say they've designed a biochip that can measure glucose levels in saliva almost as accurately as current devices can measure levels in blood.To do this, the engineers etched a complicated array of thousands of plasmonic interferometers (no, this is not an episode of Farscape) onto a fingernail-size biochip. |
| Delivering anesthesia via contact lenses |
Eye drops are so 1.0. Not only can they be messy and inconvenient to apply, they deliver medicine to treat dryness and other issues in imprecise volumes so quickly that they need to be reapplied every few hours. And for those applying eye drops after laser eye surgery--when the eyes are especially tender--they can be a real pain. Which is why researchers at the University of Florida are working to design contact lenses already helpful in protecting the eyes post-surgery that can extend the release time of anesthesia to help with this post-surgery pain. By adding "highly hydrophobic" vitamin E aggregates to silicone hydrogel lenses for distribution of three commonly used anesthetics post-surgery, they found that the aggregates acted as barriers; by not interacting so readily with water on the surface of the eye, this barrier was able to extend the release time of the anesthetics from just a few hours to multiple days.This isn't the first time contact lenses have been used to distribute drugs, or even that vitamin E has been used to slow the release of drugs in lenses. But it is an early sign of success for the specific anesthetics used following laser eye surgery. |