Disclosed is a medical adaptor generally featuring an adaptor body extending from a fitment end towards a perch. The adaptor further comprises a fitment extending away from the fitment end, and a mortar extending away and integral with the fitment, to terminate at the perch. The adaptor also features a shrinkable collet comprising a collet face and a collet hole extended from a collet hole towards a collet tail. A collet bolt is threaded into the collet hole such that collet is avoided from getting shrunk and, is locked at a desired angular position.
