Ogino T, Obata H, Ishii S
Department of Physical Therapy, School of Health Sciences, Sapporo Medical University, Japan.
J Hand Surg Br. 1993 Dec;18(6):704-7. doi: 10.1016/0266-7681(93)90225-5.
Two cases of traumatic ankylosis of the MP joint were treated by tendon ball interposition arthroplasty. Enough mobility for pinch and grasp was obtained at follow-up.