The anatomical features of the shoulder joint are "highly flexible", so dislocation is prone to occur, with previous dislocations being the most common. In the process of exercise, as long as the shoulder joint is abducted in the upper arm and the hand or elbow is on the ground, the shoulder joint dislocation may occur. The pathology of the shoulder joint dislocation is very complicated, and the damage structure is many. In general, it includes: tear of the joint capsule and the sacral ligament, peeling of the shoulder and labrum, fracture of the anterior and posterior part of the shoulder, rotator cuff, especially the shoulder blade. Injury of the lower tendon, radial head defect (Hill-Sachs lesion), etc. Pathological changes vary with age. The most common cause of the elderly is rupture of the joint capsule, resulting in anterior dislocation of the humeral head condyle, and more with avulsion fractures of the greater tibia. Young adults have more avulsed lips and combined with Hill-Sachs injury, so it is easy to secondary to recurrent shoulder dislocation. What is the performance of shoulder dislocation? Patients with shoulder dislocation usually have a clear history of shoulder trauma, and complain of shoulder pain and dyskinesia during the acute phase. The shoulder joint was examined with a square shoulder deformity, and the Dugas sign was positive, and the shoulder was visible under the shoulder. Patients with recurrent shoulder dislocation are mainly characterized by instability of the shoulder joint and dislocation due to labial injury and joint capsule relaxation. What should I do if my shoulder joint is dislocated? The primary treatment of shoulder dislocation is mainly to repair and fix (high-level athletes need surgery). For patients with recurrent dislocation, active surgical treatment is required. Classical procedures include Bankart surgery (in situ suture fixation of the avulsed scapula), Bristow surgery (fixing the condyle in front of the shoulder and neck of the shoulder blade). Since the development of minimally invasive surgery, doctors can easily complete the repair of the shoulder joint lip, the reduction of the bony bankart injury, the shrinkage of the joint capsule and the patellar ligament under the arthroscopy with minimally invasive suture equipment. Reduced local trauma, shortened the recovery cycle, and achieved good surgical results.
CLUTCH DISC
The clutch disc (driven plate/clutch
plate) engine torque can be cut off and transmitted by engaging or disengaging
from the flywheel.
Clutch discs adjust the vibration and noise of a car, thereby
providing the most comfortable ride according to the car`s overall
characteristics. The most prominent feature of clutch is the torsion
phenomenon that reduces the unpleasant noise and vibration generated by
changing revolution speed.
SYC Clutch disc`s characteristic:
1. Retaining plate
uses colourful process
2. High quality
springs
3. W ear resistant and high-temperature
resistant clutch facing.
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