Hand rest device of blood sampling usefulness that flows

The utility model discloses a hand rest device of blood sampling usefulness that flows, which comprises an outer shell, the left end of shell is provided with accomodates the groove, it is being provided with the baffle near right -hand member position department to accomodate the groove, the left side of accomodating the groove is provided with the receiver, the top of receiver is provided with the jack, the right side cooperation of accomodating the groove has first receiver, the top of shell is provided with the recess be provided with pillow block in the recess, the symmetry is provided with two arm pieces on the rear end face of shell, two the cooperation has the cradling piece between the arm pieces, be provided with the cover of holding with a firm grip on the cradling piece, the heparin tube can be collected through the receiver to this device when using, take in basic medical supplies such as the heparin tube that does not use, hemostasis cotton balls through first receiver, and to pass through stren