0 inside a capsule (= a flexible structure around an organ, joint, or other body structure) -- 囊内的
intracapsular pressure 囊内压力
In elderly patients with displaced or intracapsular fractures many surgeons prefer to undertake a hemiarthroplasty, replacing the broken part of the bone with a metal implant.
An iridodialysis may be an iatrogenic complication of any intraocular surgery and at one time they were created intentionally as part of intracapsular cataract extraction.