Treatment device for medical treatment

A treatment device for a medical treatment configured to heat a biotissue at a desired temperature to perform the medical treatment, the device comprising:

• a first heat transfer portion configured to come in contact with the biotissue to transfer heat to the biotissue;
• a second heat transfer portion configured to move relatively to the first heat transfer portion, and hold the biotissue together with the first heat transfer portion to transfer the heat to the biotissue;
• a first resistance element to which a power having a first power value is supplied to heat the first heat transfer portion;
• a second resistance element to which a power having a second power value is supplied to heat the second heat transfer portion;
• a temperature acquiring section configured to acquire a temperature of the first heat transfer portion as a first temperature;
• a control section configured to calculate the first power value to set the first temperature to the desired temperature based on the first temperature, and determine the second power value corresponding to the first power value;
• a first power supplying section configured to supply the power having the first power value to the first resistance element;
• and
• a second power supplying section configured to supply the power having the second power value to the second resistance element.