Regaining original nose after rhinoplasty
Provided that there is no significant alteration on your cartilage at the tip from previous surgery, removal of the implant and cartilage from the tip should preserve your original nose. Goretex is usually difficult and complicated to remove but since you are only 5weeks post op, this can still be done via closed rhinoplasty incision.
Closed rhinoplasty to remove GoreTex and cartilage grafts
It's possible to remove such material with the closed techniques, as long as the surgeon knows exactly what was placed. Photos and a detailed operative note would be critical.
Rhinoplasty revision after cartilage and Goretex.
Rhinoplasty revision after cartilage and Goretex can do done but I would need to see what was removed.