爱达荷州立大学中国学生学者联谊会

Chinese Association of Idaho State University (CAISU)

Robotic Arm

A robotic arm that can be worn at home may someday help stroke victims regain lost mobility. It's being developed by Arizona State University bioengineer Jiping He and his colleagues, with support from the National Institutes of Health. CRP scara robot

The sleeve-like device features four pneumatic muscles, from the shoulder to the wrist, that help the real arm move. As the patient gets stronger over time, the robotic muscles gradually back off.

So that the robot is not like a patient is passively receiving therapy – actually they control the pace of the therapy.

The device is still in the prototype stage, but if it proves successful, it could be a lot cheaper than long-term, one-on-one physical therapy. I'm Bob Hirshon for AAAS, the Science Society.
Behind all this high-tech research is a simple economic problem: How do you rehabilitate a stroke victim more cheaply? Health care costs have risen quickly in recent years. As people continue to live longer, more and more of them will need treatment for age-related diseases like cancer, Alzheimer's, and stroke. In order to get everyone the treatment they need, medical science needs to figure out how to get more bang for its buck.

Surprisingly, it isn't always the latest technology that costs the most. Human labor remains one of the biggest costs in the health care system. And while scientists can try to build smaller, cheaper, and more efficient medical machines, the cost of paying actual human beings can only increase with time.

So this state-of-the-art robot arm is really a cost-cutting measure. If the patient can use the robot arm to do physical therapy at home, unsupervised, it could save a lot of money in the long run compared to regular home visits from a physical therapist. Of course, a physical therapist would still have to show the patient how to use the arm, and check in periodically, but the number of person-to-person sessions would be far fewer than in a traditional course of physical therapy. As an added bonus, the patient would have round-the-clock access to the arm, so there is potential to do more intense work on a regular basis. Plus, as Dr. He points out, the patient sets the pace of the therapy, moving to the next level of difficulty as soon as he or she is able.

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