Hello, A little curvature in penis is a normal phenomenon, like having a crooked nose, still if you are unsure the do consult with your nearest Urologist for opinion. Penis enlargement devices especially vacuum pumps are considered to stretch penis for enlargement but have many unwanted adverse effects life cutting the blood supply to penis, causing injury or hematoma. The only case of surgical emergency is having a penis fracture which usually results from forceful intercourse and is painful. the best way is to get it physically checked to get proper diagnosis. Take care. Hope I have answered your question. Let me know if I can assist you further. Regards, Dr. Anirban Majumder, General & Family Physician