ALEXANDRIA, Va., June 19 -- United States Patent no. 12,332,234, issued on June 17, was assigned to Siemens Healthcare Diagnostics Inc. (Tarrytown, N.Y.).

"Solution collection device with evaluation element" was invented by Peter Paulicka (Rottenbach, Germany), Jennifer Samproni (Braintree, Mass.) and Manish Deshpande (Newton, Mass.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A blood testing device for detecting hemolysis in a blood sample is described. The blood testing device comprises an housing for containing the blood sample. The housing has a treatment window and an optical zone formed therein. The blood testing device further includes an acoustic transducer positioned to selectively generate acoust...