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  Department of Robotics and Mechatronics Engineering Theses Ph.D.

Advanced Neuromuscular Interface for Lower Extremity Amputee

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dc.contributor.advisor 이상훈 -
dc.contributor.author Jaeu Park -
dc.date.accessioned 2026-01-23T10:54:01Z -
dc.date.available 2026-01-23T10:54:01Z -
dc.date.issued 2026 -
dc.identifier.uri https://scholar.dgist.ac.kr/handle/20.500.11750/59609 -
dc.identifier.uri http://dgist.dcollection.net/common/orgView/200000946530 -
dc.description surface electromyography, peripheral magnetic stimulation, micro coil optimization, magnetic nerve conduction block -
dc.description.tableofcontents Chapter Ⅰ. Introduction 1
1. Background 1
1.1 Status of lower-limb amputees 1
1.2 Conventional prosthetic types and limitations, and the rise of active systems 2
1.3 Prevalence, features, and clinical significance of phantom limb pain (PLP) 3
1.4 Pharmacologic treatment, adverse effects, and electrical stimulation 4
2. Objectives of the Research 5
2.1 Imperceptible sEMG sensors for lower amputees 5
2.2 Optimization of induced electric field gradient reinforced coil design 5
2.3 Investigation of magnetic parameters and nerve block in dual coil system 6

Chapter ⅠI. Imperceptible and Reusable Dermal sEMG for Clinical Assessment 7
1. Introduction 7
2. Method 13
2.1 Fabrication 13
2.2 Simulation 13
2.3 Mechanical and interfacial characterization of the substrate 16
2.4 Signal recording 17
2.5 Study setting and participants 18
2.5.1 Static condition 19
2.5.2 Dynamic condition 19
3. Result and Discussion 23
3.1 Design 23
3.2 Characteristic of the substrate 25
3.3 Simulation analysis 27
3.4 Resistance change in tensile test 30
3.5 Various pattern density 30
3.6 Evaluation of the sEMG Sensors 35
3.7 Static assessment 41
3.8 Dynamic assessment 46
4. Conclusion 51

Chapter ⅠII. Optimized Coil Design for Enhanced Electric-Field Induction in Peripheral Nerve Stimulation 53
1. Introduction 53
2. Method 56
2.1 Coil geometry selection and parameterization 56
2.2 Calculation of induced E-field gradient 56
2.3 Prototype fabrication 59
2.4 Performance evaluation of coil interface 64
2.5 In vivo experiments 66
3. Result and Discussion
3.1 Selection of coil shapes 69
3.2 Coil layout trimming and pruning 76
3.3 Coil scaling and miniaturization 78
3.4 3D-printed coil prototype fabrication 80
3.5 Animal experiment 83
3.6 Coil heating 89
4. Conclusion 92

Chapter ⅠV. Dual-Coil Magnetic Nerve Conduction Block with Improved Efficiency 95
1. Introduction 95
2. Method 96
2.1 Simulation study 96
2.2 Coil selection 98
2.3 Coil encapsulation and leakage test 98
2.4 Animal experiment setting 99
3. Result and Discussion 102
3.1 Simulation analysis 102
3.2 Leakage test and coil implantation 103
3.3 Stimulation parameter optimization 105
3.4 Magnetic conduction block 112
4. Conclusion 113

Chapter V. Conclusion and Future Research 116
1. References 121

요약문 131		 -
dc.format.extent 131 -
dc.language eng -
dc.publisher DGIST -
dc.title Advanced Neuromuscular Interface for Lower Extremity Amputee -
dc.title.alternative 하지 절단 환자를 위한 고도화된 신경근 인터페이스 -
dc.type Thesis -
dc.identifier.doi 10.22677/THESIS.200000946530 -
dc.description.degree Doctor -
dc.contributor.department Department of Robotics and Mechatronics Engineering -
dc.contributor.coadvisor Sohee Kim -
dc.date.awarded 2026-02-01 -
dc.publisher.location Daegu -
dc.description.database dCollection -
dc.citation XT.RD 박73 202602 -
dc.date.accepted 2026-01-19 -
dc.contributor.alternativeDepartment 로봇및기계전자공학과 -
dc.subject.keyword surface electromyography, peripheral magnetic stimulation, micro coil optimization, magnetic nerve conduction block -
dc.contributor.affiliatedAuthor Jaeu Park -
dc.contributor.affiliatedAuthor Sanghoon Lee -
dc.contributor.affiliatedAuthor Sohee Kim -
dc.contributor.alternativeName 박재우 -
dc.contributor.alternativeName Sanghoon Lee -
dc.contributor.alternativeName 김소희 -
dc.rights.embargoReleaseDate 2027-08-31 -
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