We did a lot of research to decide how much helium to put in the balloon. It varies depending on the size of your balloon. Each cubic foot of helium can lift 28 grams. Each pound of free lift would mean 300 feet per minute of ascent rate.
Nerve damage to cutaneous sensory nerve occurs, but these grow back. Damage to the marginal mandibular nerve can occur as well, this causes a distorted smile, which usually resolves in a few months. Most importantly is that lipo of the chin is very safe. Good luck, dr b. ...Read more.
Chin Numbness: Numbness in the chin, especially if on one side may be caused by irritation of the 3rd dividion of the 5th cranial nerve. This may be casued by inflammation, infection, or pressure as the nerve passes through the lower jaw. The nerve may also be irritated as it leaves the brain stem.