Patent ID: 8322193
Filing Date: 2012-12-04
Classification: G01N

Abstract:
1. An arrangement for conducting transdermal diffusion cell testing, comprising: at least one vessel, each of said at least one vessel including a container defining an interior chamber having an opening at an upper end over which skin is placed, and a first inlet port and a first outlet port spaced apart from one another and each including a conduit communicating with said chamber, said first outlet port being arranged above said first inlet port and being arranged proximate said opening at said upper end of said chamber, a solution source fluidly coupled to each of said at least one vessel; a waste receptacle fluidly coupled to each of said at least one vessel; at least one syringe pump fluidly coupled to a respective one of said at least one vessel; and a sample collector fluidly coupled to said at least one syringe pump; said at least one syringe pump being controlled to provide a first flow path of solution from said solution source to said waste receptacle through said at least one vessel in order to fill said chamber with solution and being controlled to provide a second flow path of solution from said chamber to said sample collector, said at least one syringe pump being further controlled to take a sample from said chamber in the respective one of said at least one vessel before an actual sampling time to pre-condition a syringe of said at least one syringe pump.