Both manual and automated pipetting apparatus for collecting and dispensing controlled amounts of a given specimen are disclosed herein along with their methods of operation. Each of these apparatus utilizes a pipetting device including a stem which carries a replaceable tip and each device is designed so that a tip, once used, can be automatically removed from its associated stem. Each apparatus disclosed also includes a particular arrangement for placing a new tip on a given stem and each utilizes a specific arrangement for collecting used tips and for cleaning certain components of its pipetting device of specimen residue.
申请公布号
US4487081(A)
申请公布日期
1984.12.11
申请号
US19820412384
申请日期
1982.08.27
申请人
DE VAUGHN, DONALD H.;MAKER, III, EDWARD H.
发明人
DE VAUGHN, DONALD H.;WATTS, PHILIP S.;RATY, DALLAS L.;MAKER, II, EDWARD H.