US 12,372,284 B2
Laser surgical device and surgical method thereof
Gun-Ho Kim, Ulsan (KR)
Assigned to RecensMedical, Inc., Hwaseong-si (KR); and Ulsan National Institute of Science & Technology, Ulsan (KR)
Filed by RECENSMEDICAL, INC., Ulsan (KR); and ULSAN NATIONAL INSTITUTE OF SCIENCE AND TECHNOLOGY, Ulsan (KR)
Filed on Dec. 1, 2022, as Appl. No. 18/073,274.
Application 18/073,274 is a continuation of application No. PCT/KR2020/012886, filed on Sep. 23, 2020.
Claims priority of application No. 10-2020-0068479 (KR), filed on Jun. 5, 2020; application No. 10-2020-0068480 (KR), filed on Jun. 5, 2020; application No. 10-2020-0068481 (KR), filed on Jun. 5, 2020; and application No. 10-2020-0068482 (KR), filed on Jun. 5, 2020.
Prior Publication US 2023/0086046 A1, Mar. 23, 2023
Int. Cl. F25B 49/02 (2006.01); A61B 18/00 (2006.01); A61B 18/20 (2006.01)
CPC F25B 49/02 (2013.01) [A61B 2018/00029 (2013.01); A61B 2018/00452 (2013.01); A61B 2018/00642 (2013.01); A61B 2018/00714 (2013.01); A61B 2018/00744 (2013.01); A61B 2018/00791 (2013.01); A61B 2018/00797 (2013.01); A61B 18/203 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A laser device having a cooling system, the device comprising:
a laser module configured to irradiate a laser to a target including a blood vessel;
a sensor configured to detect a temperature of a surface corresponding to the target;
a cooling module comprising:
an inlet configured to receive a refrigerant;
a nozzle configured to spray the refrigerant;
a conduit configured to provide at least part of a flow path from the inlet to the nozzle for the refrigerant;
a valve configured to control a flow of the refrigerant in the flow path;
a refrigerant condition controller arranged between the inlet and the nozzle and configured to provide a heat to the refrigerant before the refrigerant is sprayed by the nozzle; and
a controller configured to:
control the valve of the cooling module to spray a refrigerant to the surface,
control the refrigerant condition controller to provide a heat to the refrigerant before being sprayed based on a desired temperature and the detected temperature by the sensor, and
control the laser module to irradiate the laser while the cooling module is controlled to spray the refrigerant,
wherein the laser module is controlled to irradiate the laser from a first time point to a second time point, and
wherein, before the first time point, the desired temperature is set to be out of a critical temperature range that corresponds to a temperature range causing vasoconstriction.