A semiconductor memory apparatus and a temperature control method thereof are provided. The handling member passes through the body and projects from the ends of the body, so that the confectionery can be consumed while being held by the two ends with both hands. Another aspect includes, selecting a second core from a plurality of cores to receive the first thread from the first core, wherein the second core is selected based on the second core having an idle thread. The guide wire is used to guide the bone plug towards the distal end of the surgical instrument and keep the bone plug there during driving it into the bone tunnel.