The present invention addresses the problem of providing a means with which it is possible to efficiently and promptly detach a transplant from a device without causing any damage or creasing to the transplant. This medical device for transferring a transplant to a target region includes a transplant and a support which has the transplant placed on one surface thereof. The transplant and the support having the transplant placed thereon are in a frozen state, and by defrosting the frozen transplant placed on the support, the transplant can be detached from the support and transferred to a target region.