US Patent Issued to West Pharmaceutical Services on June 16 for "Multi-stage injection device" (Arizona Inventor)

ALEXANDRIA, Va., June 16 -- United States Patent no. 12,653,966, issued on June 16, was assigned to West Pharmaceutical Services Inc. (Exton, Pa.).

"Multi-stage injection device" was invented by William David Gavin (Phoenix).

According to the abstract* released by the U.S. Patent & Trademark Office: "An injection device (10) includes a lower housing (18), a sleeve (32) supported by the lower housing, and a syringe spring (34) received within the sleeve. The spring supports a syringe (12). A needle guard (26) is proximally slidable relative to the lower housing from a first position, concealing the syringe needle (12b), to a second position. A needle guard spring (27) biases the needle guard distally relative to the lower housing. An upper...