Truffles are among the worldâs preeminent culinary delicacies. Revered for millennia, only their price has kept pace with their fame. Retail prices in the U.S. for Tuber melanosporum, the French black truffle or Perigord truffle, and Tuber magnatum, the Italian white truffle, have reached $1000 and $3000 per pound. Most truffles are harvested in the wild and since the wild supply is diminishing, prices continue to climb.
What Is a Halo? A halo vest is an orthotic, or brace, which is used to immobilize and protect the bones in the neck known as the cervical spine or c-spine. It is used when a patient needs to immobilize the neck following an injury or surgery. The halo vest system consists of a halo or ring, a body jacket or vest and rigid uprights or rods.
At times a halo is needed to stabilize the cervical spine after surgery. The role of the halo is to hold the spine immobile until the fusion matures. Application of a Halo and Halo Vest. Fixation of the halo to a patient's head relies on a series of four titanium pins which are equally spaced around the ring.