Sterile wrist strap applied to radial artery puncture positioning

The utility model discloses a sterile wrist strap applied to radial artery puncture positioning, which comprises a wrist strap body, one surface of the wrist strap body is a wearing surface, and the other surface of the wrist strap body is a free surface opposite to the wearing surface; the wrist strap body comprises a loop fastener; sticking a hook-and-loop fastener; the collecting rings are assembled on the wearing surface of the wrist strap body and are linearly arranged in the width direction of the wrist strap body, and the centers of the collecting rings penetrate through the wearing surface and the free surface of the wrist strap body to form puncture holes; the plurality of LED display units are assembled on the free surface of the wrist strap body, and each collection ring corresponds to one LED display unit; and the control processor is electrically connected with the acquisition ring and the LED display units, and is used for receiving and identifying the maximum amplitude of the radial artery acqu