Suzhou Hengruihongyuan Medical Technology Co. Ltd

This study tests a new medical device that uses stitches to close the puncture site in the vein after certain procedures. The goal is to see if it stops bleeding safely and effectively. About 136 adults aged 18 to 80 who need a vein procedure will take part.

This study tests a device that uses short electric pulses to treat chronic bronchitis symptoms in adults with COPD. About 210 people will be randomly assigned to receive the real treatment or a sham procedure. The goal is to see if the device safely reduces coughing and mucus, im…