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Desarrollo de un Sistema de Localización de TMS Asistido por Robot Utilizando Sensores Capacitivos Duales para la

Czaryn Diane Salazar Ompico¹, Julius Noel Banayo², Yamato Mashio¹

¹Systems and Bioengineering Department, Faculty of Engineering, Maebashi Institute of Technology, Maebashi 371-0816, Gunma, Japan.

Sensors (Basel, Switzerland)

|January 28, 2026

Resumen

Este estudio presenta un sistema robótico rentable y sin marcadores para la colocación de bobinas de Estimulación Magnética Transcraneal (EMT). Mejora la precisión y la consistencia mediante el uso de una cámara de profundidad y sensores, simplificando los procedimientos de EMT.

Área de la Ciencia:

Neurología
Robótica
Ingeniería Biomédica

Sus antecedentes:

La eficacia de la Estimulación Magnética Transcraneal (EMT) depende de la colocación precisa de la bobina.
Los métodos actuales, como la localización manual, son inconsistentes, mientras que los sistemas avanzados son complejos y costosos.
Los sistemas asistidos por robot y de neuronavigación ofrecen precisión pero aumentan la carga de configuración.

Objetivo del estudio:

Desarrollar un sistema de EMT asistido por robot sin marcadores y rentable para la localización precisa de la bobina.
Mejorar la accesibilidad, seguridad y consistencia del procedimiento de EMT.
Reducir la complejidad asociada con los sistemas de seguimiento óptico.

Principales métodos:

Una cámara de profundidad 3D detecta puntos de referencia faciales para la localización de la corteza motora (C3).
Los sensores capacitivos textiles proporcionan aterrizaje suave, confirmación de contacto y estimación de la inclinación de la bobina.
Un robot colaborativo cumple con las normas de seguridad de interacción humano-robot.

Principales resultados:

Se logró una localización fiable de C3 en evaluaciones experimentales con participantes.
Se obtuvieron potenciales evocados motores (PEM) válidos después de la calibración en la mayoría de los ensayos.
Las amplitudes máximas de PEM se correlacionaron con lecturas equilibradas de los sensores en el 80% de los ensayos de verificación de inclinación.

Conclusiones:

El sistema robótico sin marcadores ofrece una alternativa más simple y accesible al complejo seguimiento óptico.
El sistema desarrollado mejora la seguridad y consistencia de la colocación de la bobina de EMT.
Este enfoque tiene el potencial de ampliar la aplicación de la EMT en la investigación y la terapia.

Palabras clave:

cámara 3D Estimulación Magnética Transcraneal sensores capacitivos localización de bobina EMT asistida por robot detección de inclinación

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