100
Participants
Start Date
February 15, 2025
Primary Completion Date
September 1, 2025
Study Completion Date
September 1, 2025
Skin cooling to 20°C
According to the group, copper parts at a constant temperature of 20°C were placed on the superficial skin of the brachial plexus for 15 minutes.
Skin cooling to 15°C
According to the group, copper parts at a constant temperature of 15°C were placed on the superficial skin of the brachial plexus for 15 minutes.
Skin cooling to 8°C
According to the group, copper parts at a constant temperature of 8°C were placed on the superficial skin of the brachial plexus for 15 minutes.
No skin cooling
According to the group, copper parts at room temperature (23°C) were placed on the superficial skin of the brachial plexus for 15 minutes.
RECRUITING
The Second Affiliated Hospital of Chongqing Medical University, Chongqing
The Second Affiliated Hospital of Chongqing Medical University
OTHER