Abstract: A cautery device for biological tissue, includes: a probe including a head unit that is configured to be inserted into a living body to emit light to cauterize the biological tissue, the head unit including a first fixing member, a second fixing member, and an exit hole, the exit hole being located between the first fixing member and the second fixing member, the exit hole allowing the light to be emitted therethrough; and an elongated catheter configured to sandwich the biological tissue between the probe and the catheter, to thereby support the biological tissue, the catheter including a third fixing member configured to fix the first fixing member and a fourth fixing member configured to fix the second fixing member.

Abstract: A cautery device for biological tissue, includes: a probe including a head unit that is configured to be inserted into a living body to emit light to cauterize the biological tissue, the head unit including a first fixing member, a second fixing member, and an exit hole, the exit hole being located between the first fixing member and the second fixing member, the exit hole allowing the light to be emitted therethrough; and an elongated catheter configured to sandwich the biological tissue between the probe and the catheter, to thereby support the biological tissue, the catheter including a third fixing member configured to fix the first fixing member and a fourth fixing member configured to fix the second fixing member.