ALEXANDRIA, Va., May 26 -- United States Patent no. 12,636,438, issued on May 26, was assigned to Becton Dickinson and Co. (Franklin Lakes, N.J.).
"Low dose syringe including an air venting system" was invented by Yiping Ma (Layton, Utah).
According to the abstract* released by the U.S. Patent & Trademark Office: "Medical devices capable of filling liquid into a syringe barrel while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel having a tapered sidewall portion for permitting air to vent from the chamber and preventing liquid from exiting the chamber, a plunger rod, and stopper. Another exemplary medical device includes a syringe barrel having a plurality of air venting grooves as...