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.
In addition to numbness, compression neuropathy can cause weak or twitchy muscles. Compression neuropathy is pressure on a nerve (Figure 1). The pressure may come from an injury, thickened muscles, enlarged blood vessels, ganglion cysts, etc.