Product design and development firm Cambridge Consultants has been selected by biomedical start-up Saranas to help develop an early-warning system for bleeding complications during interventional catheter-based procedures.

The new Saranas Observer System (SOS) uses electrical resistance to detect blood loss in real time and alert the physician. The system consists of a standard introducer sheath fitted with electrodes that measure the difference in electrical resistance across the blood vessel. If the artery is punctured, blood begins to accumulate outside the blood vessel – causing a change in the electrical resistance. The SOS is able to detect this change and alert the physician.

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