对大鼠、小鼠埋管，并进行长时间的给药、或采样实验。带饮水瓶和食槽，可开展长时间的大鼠自主给药实验。
Infusion swivels， tethers， balance arms and catheters are compatible with a range of operant behavior systems for intravenous self administration studies. In these systems， a lever press or nose poke will trigger a syringe pump to deliver an IV dose.
Instech's Vascular Access Buttons and Harnesses are ideal for these addiction studies because the combined tether/IV line can be simply and aseptically connected or disconnected when moving the animal into or out of the operant chamber.
Operant chamber systems are available from the following manufacturers:
Med Associates， Inc. (shown at left; components below are compatible with this system; see instructions for tapping MCLA/MED mounting hole in cage top， if needed)
TSE Systems GmbH
Coulbourn Instruments (Harvard Apparatus)
Panlab SL (Harvard Apparatus)
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