THE EFFECT OF THE PRESENCE OF METALS IN TISSUES SUBJECTED TO DIATHERMY TREATMENT
K. S. Lion · 1947
Metallic presence in tissues during diathermy significantly alters thermal distribution and requires careful clinical consideration.
Plain English Summary
This article examines how the presence of metallic materials in body tissues affects the safety and efficacy of diathermy treatment using radiofrequency and short-wave energy. The research addresses thermal effects and potential complications arising from metal-tissue interactions during therapeutic diathermy applications.
Why This Matters
Diathermy represents an important therapeutic modality for delivering deep tissue heating, yet the presence of metallic implants or foreign bodies introduces significant safety considerations. When radiofrequency energy encounters metals within tissues, preferential heating and current concentration can occur, potentially leading to localized thermal damage around metallic surfaces—a concern that has long been recognized in clinical practice but warrants systematic investigation. This research contributes to understanding the mechanisms underlying these interactions and informing clinical guidelines for safe diathermy application in patients with metallic implants or devices.
The intersection of electromagnetic energy and conductive materials raises complex biophysical questions relevant to modern medicine, where patients increasingly carry metallic implants ranging from orthopedic hardware to pacemakers. Understanding these thermal effects is essential for both preventing adverse outcomes and optimizing therapeutic protocols in legitimate clinical settings.
Exposure Information
Specific exposure levels were not quantified in this study.
Study Details
To determine the effect of embedded metals in tissues subjected to short wave diathermy treatment and whether these metals cause significant heating or tissue damage.
Experimental animals were used with tantalum and silver plates, foil and wire and stainless steel pl...
The presence of metal had a pronounced effect upon the field distribution and local development of h...
Embedded metals in tissue subjected to electric high frequency treatments (with short wave condenser fields) tend to deform the field distribution and can lead to field concentrations. The experiments of Etter, Gersh and Pudenz show that in experiments on animals no dangerous overheating could be observed in treatments at normal, clinically used, intensities. The apparent disagreement between the two results may be explained by the fact that field concentration is of little practical significance for the investigated practical cases, primarily those in which tantalum is embedded deep into the tissue. However, under certain conditions, the field concentration provoked by implanted metals can well rise up to values that are dangerous to the tissue contiguous to the metal.
Show BibTeX
@article{the_effect_of_the_presence_of_metals_in_tissues_subjected_to_diathermy_treatment_g4331,
author = {K. S. Lion},
title = {THE EFFECT OF THE PRESENCE OF METALS IN TISSUES SUBJECTED TO DIATHERMY TREATMENT},
year = {1947},
}