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An intramedullary rod, also known as an intramedullary nail (IM nail) or inter-locking nail or Küntscher nail (without proximal or distal fixation), is a metal rod forced into the medullary cavity of a bone. IM nails have long been used to treat fractures of long bones of the body.
It aims to break up adhesions (scar tissue) on and around spinal joints as the cervical, thoracic, lumbar, sacral, and pelvic regions, or extremity joints as the knee, shoulder and hip, to which a restricted range of motion can be painful and limit function. Failed attempts at other standard conservative treatment methods (i.e., manipulation ...
Following injection of a local anaesthetic at the base of the toenail and perhaps application of a tourniquet, the surgeon will remove the edge of the nail growing into the flesh and destroy the matrix area with phenol to permanently and selectively ablate the matrix that is producing the ingrown portion of the nail (i.e., the nail margin).
In these designs, the protective cap is the primary safety. Other designs use a safety mechanism similar to nail guns: The injection is triggered by pushing the nose ring against the injection site and simultaneously, while applying pressure, pushing a trigger button at the rear end of the device. [citation needed]
Nail crumbling, and the lifting of the nail, could be signs of nail psoriasis. Nail psoriasis is a condition in itself, but it is also an independent risk factor for psoriatic arthritis .
Intra-articular, into a joint space. It is generally performed by joint injection. It is mainly used for symptomatic relief in osteoarthritis. Intracardiac (into the heart), e.g. adrenaline during cardiopulmonary resuscitation (no longer commonly performed). Intracavernous injection, an injection into the base of the penis.
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The relative length of the digit varies during motion of the IP joints. The length of the palmar aspect decreases during flexion while the dorsal aspect increases by about 24 mm. The useful range of motion of the PIP joint is 30–70°, increasing from the index finger to the little finger.