When fifth-year Rice University (Houston, Texas) graduate student Guoping Chang began working with PET/CT imaging, he never expected to find out that "less is more" when it comes to helping physicians make an accurate cancer diagnoses. (Medical Device Daily)

Stryker Orthopaedics (Mahwah, New Jersey) said it has released its Rejuvenate Modular Primary Hip System, which is designed to help recreate the anatomy and hip biomechanics of individual patients. (Medical Device Daily)

PatientSafe Solutions (San Diego) said it has raised $30 million in Series B-1 financing. TPG Biotech, a science-based venture investment arm of the global private equity firm TPG Capital, led the round. PatientSafe develops patient safety solutions intended to help eliminate hospital-based medical errors. (Medical Device Daily)

Home Diagnostics (Fort Lauderdale, Florida) and Nipro (Osaka, Japan) have agreed to merge in a two-step acquisition in which Nipro will acquire all outstanding shares of Home Diagnostics' common stock for about $215 million, or $11.50 a share. (Medical Device Daly)