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The Combat Ready Clamp or CRoC is an FDA-approved tourniquet that can be used in the battlefield to stop exsanguination in the lower body where a standard tourniquet cannot be used by placing a pressure ball and screwing it tight over a wound or the artery on the groin or lower abdomen.

The Combat Ready Clamp or CRoC is an FDA-approved tourniquet that can be used in the battlefield to stop exsanguination in the lower body where a standard tourniquet cannot be used by placing a pressure ball and screwing it tight over a wound or the artery on the groin or lower abdomen.

New Truncal Tourniquet Ready for Battlefield Use


By Steven Galvan, Public Affairs Officer
U.S. Army Institute of Surgical Research
06 FEB 2012


Saving the lives of combat wounded is one of the main focuses at the U.S. Army Institute of Surgical Research (ISR) at Fort Sam Houston, Texas.

Research on pre-hospital care devices like the tourniquet has proven to save lives in the battlefield from a wound to the arms or legs that was once the most common cause of preventable death.

Now, after almost two years of research on a device to prevent the most common cause of preventable death in the battlefield, the junctional tourniquet is ready for battlefield use.

“Exsanguination, or bleeding to death, from the body is now the most common cause of preventable death to wounded warriors on the battlefield,” said Dr. John F. Kragh, an orthopedic surgeon and researcher at the ISR. “Groin hemorrhage is the most common type of junctional bleeding where regular tourniquets cannot work.”

Research on the effectiveness and type of battlefield truncal tourniquet began in 2009 after the Committee on Tactical Combat Casualty Care (CoTCCC) made it a research priority. Shortly after, the Combat Casualty Care Research Program of the U.S. Army Medical Research and Materiel Command and ISR headquarters requested candidate devices for the research.

The Combat Ready Clamp (CRoC), approved by the U.S. Food and Drug Administration, manufactured by the Combat Medical Systems in Fayetteville, N.C., was selected from a handful of junctional tourniquet prototypes submitted from those submitted after the request for candidate devices.

“The CRoC is a vice-like tourniquet that can be placed over the groin and lower abdomen,” said Kragh. “A pressure ball is screwed-down to press on the artery and to stop the bleeding.”

The ISR is committed to optimizing combat casualty care by focusing on providing requirement-driven combat casualty care medical solutions and products for injured soldiers from self-aid through definitive care across the full spectrum of military operations.

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