Radial artery catheterization limb fixing and restraining device

The utility model provides a radial artery catheterization limb fixing and restraining device. The radial artery catheterization limb fixing and restraining device comprises a restraining pad used forfixing the hand and the forearm of a patient, a restraining belt used for fixing the restraining pad beside a bed, and a restraining component used for fixing a pressure sensor and accessories used for radial artery invasive blood pressure monitoring of the patient. The restraining part comprises a connecting band body and a fixing binding band, one end of the connecting band body is detachably connected to the restraining pad, and one end of the fixing binding band is fixed to the connecting band body; a forearm bandage for fixing the hand and the forearm of the patient on the restraint padis arranged on the restraint pad; according to the restraint pad, the hand and the forearm of a patient can be fixed, and it is avoided that the flexible artery indwelling catheter is folded or disengaged due to bending of the