ALEXANDRIA, Va., June 6 -- United States Patent no. 12,279,755, issued on April 22, was assigned to ANQING MEDICAL Co. LTD. (Shanghai).

"Rigid endoscope" was invented by Hang Yan (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a rigid endoscope including a disposable endoscope body structure and a reusable camera assembly. The endoscope body structure includes a handle portion, an endoscope body inserting portion and a line connecting portion, wherein the endoscope body inserting portion is directly or indirectly connected to the handle portion, the line connecting portion includes a receptacle located in the handle portion and an external connecting portion located ou...