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Bone changes due to pulses of direct electric microcurrent

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Summary

In 26 rabbits, 3 platinum electrodes (anode, cathode and control) were inserted into the medullary cavity of the humerus. In a first series, a generator produced square pulses of 50 microamperes for one second at one second intervals. In a second series, a generator produced 250 microamperes pulses for one second at 9 second intervals. During the intervals the output leads were short-circuited. An important osteogenesis was recorded around the two active electrodes. A few necrotic foci were found around the cathode.

Zusammenfassung

Bei 26 Kaninchen wurden drei Platinelektroden (Anode, Kathode und Kontrollelektrode) in den Markraum des Humerus eingesetzt. In einer ersten Gruppe erzeugte ein Generator Rechteckimpulse von 50 Mikro-Ampere Intensität während 1 sec, gefolgt von einer Pause von 1 sec. In einer zweiten Gruppe erzeugte ein Generator 250 Mikro-Ampere-Impulse während 1 sec mit einer Pause von 9 sec. Während den Pausen wurden die Elektroden kurzgeschlossen. Eine ausgedehnte Knochenneubildung konnte um beide aktiven Elektroden festgestellt werden. Begrenzte Nekrosen traten nur in der Nähe der Kathode auf.

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Richez, J., Chamay, A. & Biéler, L. Bone changes due to pulses of direct electric microcurrent. Virchows Arch. Abt. A Path. Anat. 357, 11–18 (1972). https://doi.org/10.1007/BF00548213

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  • DOI: https://doi.org/10.1007/BF00548213

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