Restoration of Lateral Hand Grasp Using Natural Sensors
| Autor: | Morten Kristian Haugland, Michael W. Keith, A. Lickel, Thomas Sinkjær, Ronald Raymond Riso, Margareth M. Adamczyk, Inger Lauge Jensen, Jens Haase |
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| Rok vydání: | 1997 |
| Předmět: |
Adult
Male Computer science Biomedical Engineering Action Potentials Medicine (miscellaneous) Electric Stimulation Therapy Bioengineering Electromyography Thumb Quadriplegia Signal Biomaterials Cutaneous receptor medicine Humans Functional electrical stimulation Spinal Cord Injuries Hand Strength medicine.diagnostic_test GRASP General Medicine Anatomy Index finger Median nerve Electrodes Implanted body regions Treatment Outcome medicine.anatomical_structure Biomedical engineering |
| Zdroj: | Haugland, M K, Lickel, A, Riso, R R, Adamczyk, M M, Keith, M, Jensen, I L, Haase, J & Sinkjær, T 1997, ' Restoration of lateral hand grasp using natural sensors ', Artificial Organs, vol. 21, no. 3, pp. 250-253 . |
| ISSN: | 1525-1594 0160-564X |
| DOI: | 10.1111/j.1525-1594.1997.tb04661.x |
| Popis: | A closed-loop control system for controlling the key grip of a C6 tetraplegic patient was developed. Natural sensors served as the source of the feedback signal. The neural signals from cutaneous receptors were picked up by an implanted cuff electrode placed around the radial branch of the median nerve innervating the lateral part of the index finger. Mechanical stress applied to the skin, like pressure and slips, resulted in an increase in amplitude of the recorded neural signal. The goal of the study was to determine whether the recorded neural signals were able to indicate the slip of an object during lateral grasp and whether the slip could be stopped by increasing the grasp force through functional electrical stimulation of the thumb adductor and flexor. |
| Databáze: | OpenAIRE |
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