Cardiovascular surgery blood drawing arm protecting and fixing device

The utility model relates to the technical field of medical equipment accessory devices, in particular to a cardiovascular surgery blood drawing arm protecting and fixing device which can improve thefixing effect on the arm of a patient. The device comprises a bottom plate and a fixing base, and a fixing hole is formed in the center of the front side wall of the fixing base; the device further comprises a pressing plate, a left fixing plate, a right fixing plate, a transverse plate, a rotating rod and a rotating disc. A sliding hole is longitudinally formed in the center of the top of the fixed seat; an arc-shaped groove is formed in the center of the bottom of the pressing plate. A rotating groove is formed in the top center of the pressing plate; the bottom ends of the left fixing plateand the right fixing plate are connected with the left half area and the right half area of the top end of the fixing base. Threaded holes are longitudinally formed in the center areas of the top ends of the transverse plates