New State Capital Partners has acquired United Medical Systems Inc. for an undisclosed amount. 

United Medical, headquartered in Westborough, Massachusetts, provides mobile medical equipment and services for the urology market in the U.S., Canada and South America. 

New State, a New York-based private equity firm, invests in business services, health care services industrial companies. The firm is also invested in Gautier Steel Ltd. The firm invests up to $35 million per transaction.

Other recent medical equipment deals have come from Hill-Rom Holdings Inc., which picked up Trumpf Medical Systems in June for about $250 million, and Industrial Magnetics Inc.'s June deal for Prater-Sterling Inc. For more on M&A trends in health care, see 5 Technologies Drive Health Care M&A