H&H Medical created the TK-4L as an easy-to-use compression strap to help stop or slow blood loss from large wounds or arterial bleeding. Designed for one-handed use, the TK-4L gives the user the ability to apply the maximum capable force they can generate on lower extremities.
The TK-4L provides a tension fixture at one end of the strap. The aluminum tension fixture provides the ability to apply manual force to the strap and increase the hemostatic capability of the strap. By wrapping and compressing the strap around the extremity, the added compressive force increases the pressure on the limb and reduced the blood flow.
The TK-4L has recently been updated with a new elastic strap that is 50% stronger than the TK-4, plus a tension fixture that has a spring-loaded carabiner-type closure, making application easier and more secure. The updated version is identifiable by the black strap, which changed from green in 2015.
Dimensions: 1¾" H x 2¾" W x 1.5" D (package)
Weight: 3 oz
Video below shows the "old" TK4-L, but the techniques shown are still applicable.
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A less expensive option than the CAT, RAT, SOFT, and SWAT but will work. The TK4 (first Gen) is tried and true as a military choice of yesteryear. They pack down small and are convenient.
The TK4L is far improved in comparison to the first gen TK4. The newer version is longer and has better end attachment hooks. The TQ is very easy to achieve complete occlusion with. The only down side is that H&H did not package the item well for EDC. It's packed folded very thick and may have to be removed from it's original package and carried differently.
Nice product! Small size makes it perfect for those needing a quality tourniquet in a small package. So small that I carry 2!