Testing device for checking at least one first medical electrode

Testing device according to the preceding claim, wherein the surfaces of the at least one first and the at least one second measuring electrode (2, 5) are different sizes.

Testing device according to the preceding claim, wherein the at least one first measuring electrode (2) is designed as a circular ring and the at least one second measuring electrode (5) is arranged within the circular ring and is electrically isolated from the circular ring by an insulator (6).

Testing device according to at least one of the preceding claims, wherein the testing device is designed to jointly check at least one first medical electrode (1) and a second medical electrode (1′), and further has:

• at least one third measuring electrode (7), which can be arranged relative to the second medical electrode (1′) to be checked, in that the at least one third measuring electrode (7) and the second medical electrode (1′) to be checked form a third capacitance (C21), wherein
• the signal generating device (3) is designed to generate an alternating voltage, by means of which the third capacitance (C21) can be acted upon
• the evaluation device (4), which is designed to determine at least one first test result (P21) in relation to the third capacitance (C21) from a measured impedance curve (I) of an impedance caused due to the third capacitance (C21) in response to the alternating voltage generated by the signal generating device (3).

Testing device according to the preceding claim, wherein

• the testing device further has at least one fourth measuring electrode (8), which can be arranged relative to the second medical electrode to be checked (1′), in that the at least one fourth measuring electrode (8) and the second medical electrode (1′) to be checked form a fourth capacitance (C22),
• the evaluation device (4) is designed to determine at least one second test result (P22) in relation to the fourth capacitance (C22) from a measured impedance curve (I) of an impedance caused due to the fourth capacitance (C22) in response to an alternating voltage generated by the signal generating device (3).

Testing device according to the preceding claim, wherein the surfaces of the at least one third and the at least one fourth measuring electrode (7, 8) are different sizes.

Testing device according to the preceding claim, wherein the at least one third measuring electrode (7) is designed as a circular ring and the at least one fourth measuring electrode (8) is arranged within the circular ring and is electrically isolated from the circular ring by an insulator (6).

Testing device according to at least one of the preceding claims, wherein the application of the alternating voltage to at least one of the existing capacitances (C11, C12, C21, C22) can be generated in such a way that the signal generating device (3) acts upon the first and/or the second medical electrode to be checked (1, 1′).

Testing device according to the preceding claim, wherein the evaluation device (4) is connected to the first and/or the second and/or the third and/or the fourth measuring electrode (2, 5, 7, 8).

Testing device according to at least one of the preceding claims, wherein the evaluation device (4) has at least one analysis device (13) which checks whether the measured impedance profile (I) of an associated capacitance (C11, C12, C21, C22) lies within a predetermined test window and, if this is the case, emits a positive test result (P11, P12, P21, P22) corresponding to the respective capacitance (C11, C12, C21, C22).

Testing device according to the preceding claim, wherein the evaluation device (4) has an AND element (14) which emits a positive overall test result (P) for the measured electrode (1, 1′) or the totality of all the measured electrodes (1, 1′) only when a positive test result (P11, P12, P21, P22) exists for all measured capacitances (C11, C12, C21, C22).

Testing device according to at least one of the preceding claims, wherein the testing device has at least one receiving region (16), preferably in the form of a planar support surface, designed to receive at least one, preferably a plurality of, medical electrode(s) (1, 1′) to be checked, wherein the measuring electrode(s) (2, 5, 7, 8) is/are arranged in the receiving region (16).

Testing device according to the preceding claim, wherein at least one opening (12) is arranged in the receiving region (16) in order to apply a vacuum to the medical electrode(s) (1, 1′) to be checked.

Testing device according to one of the preceding claims, wherein arranged preferably in the region of a receiving region (16) for at least one electrode to be checked is at least one electrical connection element (23), preferably connected to the signal generating device (3), to which element at least one connector plug of a connecting cable (21, 21′) leading to the medical electrode can be detachably connected.

Testing device according to one of the preceding claims, wherein the measuring electrode (2, 5, 7, 8) on the one hand and the medical electrodes to be brought into contact with the skin of the patient on the other hand are different electrodes.