Hand-cranked device tells blood type and red cell levels in 1 minute

A hand-cranked device can determine a patient's blood type and hematocrit level within one minute, crucial for safe transfusions and assessing blood loss or anemia. This portable tool is particularly useful in ambulances, disaster zones, and remote clinics where large machines requiring electricity and trained staff are unavailable.

Sources

• Phys.org — Hand-cranked device tells blood type and red cell levels in 1 minute

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