Dislocation of wrist bones
Dislocations occur in the bones of the hand wrist joint. The skeleton of the brush consists of a large number of small wrist bones and joints, and polusustavov between them.
Wrist joint – a joint between the ulna and radius bones of the upper side and the eight bones of the wrist to the bottom. Eight small, short bones, connecting with each other in two rows to form the wrist. The upper range of their form navicular, lunate, triangular, and pisiform. Had meetings sprains scaphoid and lunate bones. The remaining bones of the wrist dislocations are extremely rare.
Dislocation of the navicular bone
Dislocation of the navicular bone occurs by direct attack on the brush when it is flexed position and tucking in the side of the elbow. Navicular bone, with tears carpal joint capsule from the back of the hand, and she shifted to the back side. The patient complains of pain in the wrist. In the place of dislocation of the edema. The brush is changed. Movement in the wrist become painful and limited. When probing the brush can be detected bone protrusion on her rear. Refine the diagnosis of X-ray examination.
Treatment of dislocation of the navicular bone. Place dislocation numbed with conduction anesthesia or general anesthesia is used. If a dislocation has occurred recently, trying to straighten the navicular by pulling the first three fingers. When returning the bone to its place there is a kind of click. After reduction in the brush circular plaster cast is applied from the beginning of metacarpal bones to the elbow for 5-7 weeks. When used long-dislocation surgically reposition the navicular bone. In any case, after removing the plaster is assigned physiotherapy and mechanic.
Dislocation of the lunate bone
Dislocation of the lunate bone develops due to excessive rear extension brush, for example, in the fall, with an emphasis on the palm. Lunate bone and torn joint capsule is shifted toward the palm. In this case the bone is rotated around its axis is sometimes more than 90 degrees. The patient complains of pain in the hand and wrist. In the region of the lunate bone in the back of the hand revealed retraction, and the palm palpable bony protrusion. Probing sharply painful. Keeps the patient's fingers half-bent. Trying to extension or contraction of the fingers into a fist wrist causes pain. In dislocation of lunate bone may be damaged by the median nerve. Clarify the diagnosis radiologically.
Treatment of dislocation of the lunate bone. Used for analgesia conduction anesthesia or general anesthesia. Traction is carried out for the fingers. Then the surgeon presses on the bone and reduce a her. Can be used by a hardware reset of dislocation. After this circular plaster splint is applied first in one position for the brush, then a week later, the position of the brush and change the cast are still three weeks. When stale dislocation or failure of fresh dislocation reduction surgery is used. After removing the plaster cast is appointed by physiotherapy and physiotherapy.
Dislocation of wrist perilunarny
Perilunarny dislocated wrist is common. At the same lunate bone remains in place coupled to radial bone, and all the other carpal bones below the lunate bone, dislocate in the back of the hand. There are options for all sprains is not bone, but several of them. Perilunarny dislocated wrist scaphoid fracture can be accompanied or three-sided dice. The patient is worried about the pain in the wrist, swelling. Hand function is disturbed. Flexion and extension wrist and fingers sharply painful.
Treatment perilunarnogo dislocated wrist. Under anesthesia or conduction anesthesia produced reduction of dislocation. First, perform stretching the fingers. It is better to carry on a special apparatus. Then the surgeon presses down on the dislocated bones of the wrist and reduce a them. If reduction is unsuccessful or prolonged existence of the dislocation of the operative technique used.
Dislocation of the metacarpal bones
Metacarpal bones – that's five short tubular bones between the wrist and fingers. These dislocations occur very rarely, because they are fixed strong ligaments. The mechanism of injury – a powerful direct blow to the wrist. Almost always sprains metacarpal fractures accompany them.
Treatment of dislocation of the metacarpal bone is in the reduction of dislocation and the imposition of a circular plaster cast of the metacarpal heads to the elbow joint. If necessary, surgical treatment and fixation of the spokes.
Dislocation of fingers
Dislocation of the fingers occur in the joints between the metacarpal bones and the main phalanx of fingers or interphalangeal joints. Most often subjected to a dislocation of the thumb joints. Injury occurs when excessive straightening, rarely excessive flexion of the finger. The patient complains of pain at the site of injury and edema. The form of a finger to change. Movement of a finger are impossible and very painful. Refine the diagnosis of X-ray examination.
Treatment of dislocation of the thumb. Block anesthesia is used. Finger reduce a way of stretching it. If the dislocation is accompanied by tears, or denial of the tendons, open reduction is used. Joint cavity is opened, pinching a tendon release, reduce a dislocation.
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