Two factors dictate the design of an ideal brace: 1  Joints adjacent to the thumb CMC joint must be excluded to maximize function when wearing the brace; thus a design using three points of pressure cannot be used. 2  The brace must specifically prevent CMC dorsal translation.
Expansion valve. An expansion valve is a valve used for different purposes: Steam engines. A valve used to control the expansion of steam: Expansion valve (steam engine) The best-known of these was the Meyer expansion valve, the invention of Jean-Jacques Meyer.
ghb in france and north americaghb was invented by dr wermuth in france for dr henri laborit who is the father of chlorpromazine and modern psychopharmacology wermuth created gamma hydroxybutyrate in 1961 in the search of a gaba analogue which could readily penetrate the blood brain barrierhb in france and north americaghb was invented by dr wermuth in france for dr henri laborit who is the father of chlorpromazine and modern psychopharmacology wermuth created gamma hydroxybutyrate in 1961 in the search of a gaba analogue which could readily penetrate the blood brain barrier