Patent ID: 7674631

Claim:
A device for carrying out solid phase microextraction of components contained in a fluid carrier, said device comprising; (a) a tubular member having one closed end and one open end, a zone within said tubular member having an extracting surface; (b) said tubular member being located within a housing, said housing having movable sealing element, said sealing element having a fixed cavity structure at a set position within said sealing element to which said open end of said tubular member fits forming an airtight seal, said sealing element being movable, said cavity providing an open position and a closed position for said tubular member, said cavity sealing said open end when said cavity is in said closed position and permitting contact between said fluid carrier and said open end when in said open position; (c) said movable sealing element having openings permitting contact between said fluid carrier and said open end of said tubular member when in said open position; (d) said tubular member being sized and shaped to fit into an injection port of a suitable analysis instrument where said components can be desorbed from said extracting surface.