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...produce a needed chemical or from the death of cells themselves. Replacement with healthy cell tissue would be an ideal treatment. Stem cells, which have the ability to differentiate into many different types of cells, can be stimulated by researchers to develop into the specific tissue needed by the patient. Scientists hope that by using this approach, stem cell medicine will become a reality in the near future...
Heart-Rate Monitor Another ZigBee design by Freescale, it will continuously monitor heart rate, even when a patient is moving around the hospital. When activated, it wirelessly transmits readings back to a base station or PDA. Look for it in the next few years. In prototype...
...Procera System, developed by Nobel Biocare, a leader in dental prosthetics, changes all that. The keys are software that makes it possible to design a patient's prosthesis in advance and a plastic surgical guide that fits over the gums and enables the surgeon to place the implants precisely without splaying open the gums, thus reducing healing time and the risk of infection. The surgery takes only an hour under local anesthesia. "This is revolutionary," says Abraham Ingber of Bethesda, Md., one of 20 U.S. prosthedontists working with the system. The company plans to launch Procera nationwide in the first...
...process works like this: a CT scan produces a 3-D image of the patient's jaw. That picture is sent to a lab, where the bridge is created along with the surgical guide. Everything needed for surgery goes back to the doctor in a kit, and the entire operation is planned beforehand, using the CT scan...
...dentist begins the implantation by screwing the surgical guide over the patient's gums. Then, going through holes in the guide, the dentist drills holes in the jawbone to receive the implants. When the surgical guide is removed, abutments are placed on the tops of the implants, and the final prosthesis is fixed to the abutments. The downside: this and other new implant systems still cost about the same as traditional implants. --By Arnold Mann