ACRA-CUT

ACRA-CUT is a U.S. medical device company focused on neurosurgical instruments, especially cranial perforators used to create skull openings during neurosurgical procedures. The company has stated that it has operated in the cranial perforator market since 1981 and is based in Acton, Massachusetts. Its commercial product portfolio includes disposable and reusable cranial perforators, scalp clip systems, cranioblades, hand instruments, distraction screws, and related accessories for adult and pediatric neurosurgery. ACRA-CUT positions itself as a specialist in automatic-releasing cranial perforator technology and serves hospitals and neurosurgical customers. In March 2026, Nakanishi announced that its U.S. subsidiary NSK America agreed to acquire ACRA-CUT, with share transfer planned for April 1, 2026.