Breed: Mixed-breed dog Age: 4 years old Gender: Male Weight: 8.6Kg Grade three patellar dislocation, arthritis and hyperplasia, it was decided to undergo trochlear groove replacement surgery for treatment. During the operation, the BlueSAO press-fit biological pulley groove replacement system (PGR) #6 implant was used for replacement. The operation was successfully completed. Hope you recover soon! Thank you, President Zhou Xingzhao of Shenzhen Xingzhao Bone Specialized Pet Hospital, for sharing the clinical case of the BlueSAO compression Fitting biological slide groove replacement system! The pulley groove replacement surgery will bring a painless joint to patients with patellar dislocation. Doctor Jia Xinsheng's view is that the pulley groove replacement surgery will bring a painless joint to patients with patellar dislocation, and he suggests that the pulley groove replacement surgery be adopted for eligible cases of patellar dislocation. For instance, cases where the pulley groove is flat, deformed, poorly developed, too narrow, or where the veterinarian's assessment of the deepening of the pulley groove fails to yield effective results, etc., all recommend the use of pulley groove replacement