Apparatus for conducting electrophysiological measurements on cells
First Claim
1. An apparatus for conducting electrophysiological measurements on cells comprising a measuring head provided with at least one measuring electrode for impaling said cells, with at least one reference electrode, with at least one perfusion conduit made as a perfusion inlet having a first end opening, wherein said at least one measuring electrode and said at least one reference electrode are molded into a common support, said at least one perfusion inlet being arranged essentially parallel with said at least one measuring electrode, and said first end opening being located above a lower end of said at least one measuring electrode.
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Accused Products
Abstract
Apparatus for conducting electrophysiological measurements on cells wherein a measuring head is provided with at least one electrode in a common support for impaling the cells.
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Citations
54 Claims
- 1. An apparatus for conducting electrophysiological measurements on cells comprising a measuring head provided with at least one measuring electrode for impaling said cells, with at least one reference electrode, with at least one perfusion conduit made as a perfusion inlet having a first end opening, wherein said at least one measuring electrode and said at least one reference electrode are molded into a common support, said at least one perfusion inlet being arranged essentially parallel with said at least one measuring electrode, and said first end opening being located above a lower end of said at least one measuring electrode.
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48. An apparatus for conducting electrophysiological measurements on cells comprising a measuring head provided with at least two electrodes for impaling said cells of which at least one electrode is configured as a measuring electrode, and at least one perfusion conduit made as a perfusion inlet, wherein said electrodes and said at least one perfusion conduit are molded into a common support, said electrodes are arranged essentially symmetrical relative to a longitudinal axis of said support, and wherein at least one electrode has a straight section enclosing an acute angle α
- with said longitudinal axis of said support, and wherein said perfusion inlet is arranged essentially on a symmetry axis between said electrodes, and wherein said perfusion inlet has a first end opening, said perfusion inlet being arranged essentially parallel with said electrodes, and said first end opening being located above a lower end of said at least one measuring electrode.
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49. An apparatus For conducting electrophysiological measurements on cells comprising a measuring head provided with at least one measuring electrode for impaling said cells with at least one reference electrode, with one first perfusion conduit made as a perfusion inlet, with a second perfusion conduit made as a perfusion outlet, wherein said at least one measuring electrode and said at least one reference electrode and said perfusion conduits are molded into a common support, said perfusion inlet has a first end opening and is arranged essentially parallel with said at least one measuring electrode, said first end opening being located above a lower end of said at least one measuring electrode, and said perfusion outlet has a second end opening being located above the first end opening.
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50. An apparatus for conducting electrophysiological measurements on cells comprising a measuring head provided with at least two measuring electrodes for impaling said cells, at least two reference electrodes, a first perfusion conduit made as a perfusion inlet having a first end opening, a second perfusion conduit made as a perfusion outlet, said at least two measuring electrodes are molded into a common support, said at least two measuring electrodes are arranged in a first common plane and said at least two reference electrodes are arranged in a second common plane, said first and said second plane extend parallel to each other, and as viewed on said first plane, said perfusion inlet, is located in front of said first plane and said perfusion outlet is located behind said second plane, said perfusion inlet being arranged essentially parallel with said at least two measuring electrodes, said first end opening being located above a lower end of said at least two measuring electrodes.
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51. An apparatus for conducting electrophysiological measurements on cells comprising a plurality of measuring heads arranged on an actuator, said measuring heads are provided with at least one electrode for impaling said cells, said at least one electrode is integrated into a support, wherein said measuring heads are adapted to be displaced individually relative to said actuator along said axis z directed towards said cells.
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52. An apparatus for conducting electrophysiological measurements on cells with at least one measuring electrode for impaling said cells, with at least one reference electrode, with a first perfusion conduit made as a perfusion inlet having a first end opening for supplying perfusate to the cells, said perfusion inlet being arranged essentially parallel with said at least one electrode, said first end opening being located above a lower end of said at least one electrode, a second perfusion conduit made as a perfusion outlet having a second end opening for purging perfusate away from the cells, said second end opening being located above the first end opening, wherein said at least one measuring electrode is molded together with said at least one reference electrode and with said perfusion conduits into a common support of a measuring head.
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53. An apparatus for conducting electrophysiological measurements on cells comprising a measuring head provided with at least one measuring electrode for impaling said cells, with at least one perfusion conduit made as a perfusion inlet having a first end opening, with at least one perfusion conduit made as a perfusion outlet having a second end opening being located above said first end opening, wherein said end openings are oriented along opposite directions, wherein said at least one measuring electrode is integrated into a support, said at least one perfusion inlet being arranged essentially parallel with said at least one measuring electrode, and said first end opening being located above a lower end of said at least one measuring electrode.
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54. An apparatus for conducting electro-physiological measurements on cells comprising a measuring head provided with at least one measuring electrode for impaling said cells, with at least one perfusion conduit made as a perfusion inlet having a first end opening, wherein said at least measuring electrode is integrated into a support, said at least one perfusion inlet being arranged essentially parallel with said at least one measuring electrode, and said first end opening being located above a lower end of said at least one measuring electrode, said apparatus further comprising a receptacle for said cells wherein said measuring head is arranged on an actuator, said actuator being adapted to be displaced along a coordinate system above said receptacle, wherein said actuator carries a plurality of measuring heads, wherein said measuring heads are adapted to be displaced individually relative to said actuator along said axis z directed towards said cell.
Specification