| 1 | To explore the therapy to old patella fracture. | |
| 2 | No instances of patellar or trochlear loosening were identified. | |
| 3 | Methods:According to NT PC structure and fixed fundamental curing 30 patients with patellar fracture. | |
| 4 | For a congruent patellofemoral articulation, the patella must track centrally in the trochlear groove. | |
| 5 | Looseness of the patella often can be demonstrated in young dogs, well before they show signs of trouble. |