·Breed: Corgi Age: 1 year old Gender: Male Weight: 11.3Kg At home, I occasionally saw limping in my hind limbs. I was diagnosed with patellar dislocation in another place and was referred to this hospital for surgery. Preoperative examination showed grade 2 patellar protrusion, good anterior cruciate ligament, negative drawer test. It was decided to undergo trochlear groove replacement surgery for treatment. During the operation, the BlueSAO bio-type pulley groove replacement System (PGR) #6 implant was used for bilateral pulley groove replacement. The operation was successfully completed. Hope you recover soon! Thank you, Dr. Li Zhenfu from Nanjing Laile Pet Hospital, for sharing the clinical case of the BlueSAO biological pulley 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.