Removal Of implant depends on surgeon. Sometime after 6months and sometime after a year. That you can discuss with your surgeon. Regarding PHYSIOTHERAPY your case is too old. One can get a good strength after 4months of vigorous PHYSIOTHERAPY. Why you don’t have good strength that’s the question? But still If you want to go for strength training 4seasion a week is enough.
Next Steps
Consult doctor for removal of implant.
Health Tips
Do eccentric strength training with bands and dumbbells