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Application of Tactile Sensors in Biomedical Engineering

A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Physical Sensors".

Deadline for manuscript submissions: 30 September 2024 | Viewed by 688

Special Issue Editor


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Guest Editor
Department of Radiation Sciences, Radiation Physics, Biomedical Engineering, Umea University, 90187 Umea, Sweden
Interests: resonance sensors; tactile sensors; prostate cancer detection; stiffness detection; Raman spectra; prostate surgery

Special Issue Information

Dear Colleagues,

Tactile sensors are devices that can sense through physical contact, measuring objects, such as temperature, vibration, softness, stiffness, texture, shape, composition, shear force, and force in general. This process was discovered in the 1980s, in the same decade that people gradually realized the importance of tactile sensors in the field of computers and robotics, especially in the field of medical robotics. Tactile sensors are already being used in various robotic surgical tools to improve doctors' ability to sense and touch tissues and organs during minimally invasive procedures. So, tactile sensors are becoming more and more popular to use in the medical field. Tactile sensing has been incorporated into sensing technologies, such as piezoresistive, capacitive, piezoelectric, and triboelectric, and has the advantages of high performance, low cost, time saving, and easy fabrication. Therefore, tactile sensing systems are mature enough to be integrated into several fields related to biomedical engineering. This Special Issue collects the research and progress of tactile sensors and their applications in the field of medicine and biology.

Prof. Dr. Olof Anton Lindahl
Guest Editor

Manuscript Submission Information

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Keywords

  • flexible electronics
  • healthcare applications
  • disease diagnosis
  • tactile sensors and other sensor applications
  • robotics and biomedical engineering

Published Papers (1 paper)

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Research

12 pages, 1764 KiB  
Article
Healing Function for Abraded Fingerprint Ridges in Tactile Texture Sensors
by Muhammad Irwan Yanwari and Shogo Okamoto
Sensors 2024, 24(13), 4078; https://doi.org/10.3390/s24134078 - 23 Jun 2024
Viewed by 405
Abstract
Tactile texture sensors are designed to evaluate the sensations felt when a human touches an object. Prior studies have demonstrated the necessity for these sensors to have compliant ridges on their surfaces that mimic human fingerprints. These features enable the simulation of contact [...] Read more.
Tactile texture sensors are designed to evaluate the sensations felt when a human touches an object. Prior studies have demonstrated the necessity for these sensors to have compliant ridges on their surfaces that mimic human fingerprints. These features enable the simulation of contact phenomena, especially friction and vibration, between human fingertips and objects, enhancing the tactile sensation evaluation. However, the ridges on tactile sensors are susceptible to abrasion damage from repeated use. To date, the healing function of abraded ridges has not been proposed, and its effectiveness needs to be demonstrated. In this study, we investigated whether the signal detection capabilities of a sensor with abraded epidermal ridges could be restored by healing the ridges using polyvinyl chloride plastisol as the sensor material. We developed a prototype tactile sensor with an embedded strain gauge, which was used to repeatedly scan roughness specimens. After more than 1000 measurements, we observed significant deterioration in the sensor’s output signal level. The ridges were then reshaped using a mold with a heating function, allowing the sensor to partially regain its original signal levels. This method shows potential for extending the operational lifespan of tactile texture sensors with compliant ridges. Full article
(This article belongs to the Special Issue Application of Tactile Sensors in Biomedical Engineering)
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