US Patent Issued to POONGLIM PHARMATECH on May 12 for "Drug injection control device having cartridge drug release structure through screw coupling between piston rod and rod guide" (South Korean Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,623,028, issued on May 12, was assigned to POONGLIM PHARMATECH INC. (Jeollabuk-do, South Korea).

"Drug injection control device having cartridge drug release structure through screw coupling between piston rod and rod guide" was invented by Hee Min Cho (Jeollabuk-do, South Korea), Jong Deok Yun (Jeollabuk-do, South Korea), Jae Cheon Kim (Jeollabuk-do, South Korea), Ki Yoon Kang (Jeollabuk-do, South Korea), Hyeong Chan Son (Jeollabuk-do, South Korea) and Seon Hye Yoon (Jeollabuk-do, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A drug injection control device allows a structure in which a piston rod moving with a rod guide makes a linear moti...