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HemoSense Inc.

HemoSense, developer of a POC coagulation testing device, was founded a year and a half ago by Arvind Jina, PhD, a former staff scientist at the LifeScan Inc. subsidiary of Johnson & Johnson. An electrochemist who has worked extensively on biosensors, he developed a technique to measure prothrombin time rapidly, simply and cheaply.

Clinical practice in the area of coagulation is changing as physicians increasingly prescribe anti-coagulants for high-risk patients. But the only major anti-coagulation therapy, Coumadin, has a narrow therapeutic range, putting patients who deviate even slightly from the required doses in danger of experiencing severe side effects. Coumadinusers, therefore, are carefully monitored for the effectiveness of its action. More than 40,000,000 prothrombin time (PT) tests, which measure the clotting time of whole blood, are performed annually in the US on patients taking oral anti-coagulants, and the number is growing.

Currently, almost all of these tests are done in central laboratories, requiring patients on Coumadinto go to their doctors or...

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