ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,458,776, issued on Nov. 4, was assigned to Dentsply IH AB (Molndal, Sweden).
"Catheters with bevelled drainage holes" was invented by Christian Carlsson (Floda, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method and a device for forming holes (17a, 17b) through a lateral wall of a catheter are disclosed. The method comprises the steps of providing a section of the catheter between a pair of tubular punching members 6, driving at least one of said pair of tubular punching members towards the other in order to punch through said lateral wall 23 of the catheter and thereby sever one pair of oppositely located hole pieces from the lateral wall, a...