• Title/Summary/Keyword: Pedestrian rehabilitation

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A Study on the Perception of Personal Mobility Vehicle for the Improvement of Pedestrian Environment for the Disabled

  • Lee, Joohyung;Lee, Kyooil
    • Physical Therapy Rehabilitation Science
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    • v.10 no.2
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    • pp.124-133
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    • 2021
  • Objective: In order to secure the right to walk for the weak, such as the disabled, this study aims to suggest ways to improve the pedestrian environment by identifying factors that cause obstacles to walking. Design: Data Analysis and Perception Survey. Methods: The questionnaire was conducted separately between users of personal mobility vehicle and non-users. A total of 207 effective questionnaires were collected, and the analysis analyzed the perception of personal mobility vehicle by conducting frequency analysis using SAS 9.4. The survey focused on basic information on respondents, walking conditions, understanding of personal mobility vehicle, awareness of pedestrian space passage and parking, and awareness of the possibility of securing pedestrian rights due to new regulations. Results: First, when moving a pedestrian path by personal mobility vehicle, it shall be limited to less than the walking speed of pedestrians. Second, the parking location of the personal mobility vehicle is located at the boundary of the pedestrian road and the lane. Third, pay a fair price to park in a pedestrian space. Conclusions: It is necessary to improve the system to strengthen the contents of education to take into account the safety of pedestrians in education on how to use personal mobility vehicle.

Gait Estimation System for Leg Diagnosis and Rehabilitation using Gyroscopes (하지 진단 및 재활을 위한 각속도계 기반 측정시스템)

  • Lee, Min-Young;Lee, Soo-Yong
    • Journal of Institute of Control, Robotics and Systems
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    • v.16 no.9
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    • pp.866-871
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    • 2010
  • Gait analysis is essential for leg diagnosis and rehabilitation for the patients, the handicapped and the elderly. The use of 3D motion capture device for gait analysis is very common for gait analysis. However, this device has several shortcomings including limited workspace, visibility and high price. Instead, we developed gait estimation system using gyroscopes. This system provides gait information including the number of gaits, stride and walking distance. With four gyroscope (one for each leg's thigh and calf) outputs, the proposed gait modeling estimates the movements of the hip, the knees and the feet. Complete pedestrian localization is implemented with gait information and the heading angle estimated from the rate gyro and the magnetic compass measurements. The developed system is very useful for diagnosis and the rehabilitation of the pedestrian at the hospital. It is also useful for indoor localization of the pedestrians.

Foldable Electric Walking Design and Production for the Elderly (고령자를 위한 접이식 전동 보행보조기 디자인 및 제작)

  • Kim, B.M.;Lee, W.Y.;Lee, E.H.
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.8 no.4
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    • pp.299-303
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    • 2014
  • Demand of moving auxiliary equipment has increased recently to an increase in the elderly population. pedestrian demand is either moving auxiliary equipment are also increasing. regional migration, such as pedestrian and the elderly and patients is a device to support the sharing received walking the weight of inconvenient people. In this paper, by mounting the electric function to the current manual walking, to prepare the electric walking to support the user's walking. the design applies a lightweight folding structure so that it can be moved to a ride at long distances, were fabricated.

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A Study of Pedestrian Navigation Service System for Visual Disabilities (시각장애인용 길안내 서비스 시스템에 대한 연구)

  • Jang, Young Gun;Cha, J.H.
    • Journal of rehabilitation welfare engineering & assistive technology
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    • v.11 no.4
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    • pp.315-321
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    • 2017
  • This paper is a study on the design and realization of Pedestrian navigation service system for the visually impaired. As it is an user interface considering visually impaired, voice recognition functioned smartphone was used as the input tool and the Osteoacusis headset, which can vocally guide directions while recognizing the surrounding environment sound, was used as the output tool. Unlike the pre-existing pedestrian navigation smartphone apps, the developed system guides walking direction by the scale of the left and right stereo sound of the headset wearing, and the voice guidance about the forked or curved path is given several meters before according to the speed of the user, and the user is immediately warned of walking opposite direction or proceeding off the path. The system can acquire stable and reliable directional information using the motion tracker with the dynamic heading accuracy of 1.5 degrees. In order to overcome GPS position error, we proposed a robust trajectory planning algorithm for position error. Experimental results for the developed system show that the average directional angle error is 6.82 degrees (standard deviation: 5.98) in the experimental path, which can be stated that it stably navigated the user relatively.

Development of Electromyographic Signal Responsive Walking Rehabilitation Robot System Enables Exercise Considering Muscle Condition (근육 상태를 고려한 운동이 가능한 근전도 신호 반응형 보행 재활 로봇 시스템 개발)

  • Sang-Il Park;Chang-Su Mun;Eon-Hyeok Kwon;Seong-Won Kim;Si-Cheol Noh
    • Journal of the Institute of Convergence Signal Processing
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    • v.24 no.2
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    • pp.126-133
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    • 2023
  • In this study, electromyography was obtained in the six muscle areas that move the joints of the two legs, and by analyzing it, an exercise robot system capable of gait rehabilitation was proposed in consideration of the individual's muscle state. Through this, the system was constructed to prevent the effect of exercise from decreasing because the patient's will was not reflected when walking exercise was simply provided automatically. As a result of the evaluation of the developed system, it was confirmed that the pedestrian rehabilitation robot system manufactured through this study had performance suitable for the design requirements, and it was also confirmed that the usability evaluation was comprehensively satisfactory. The results of this study are thought to be of great help to patients who are having difficulty in gait rehabilitation, and are believed to be helpful in the development of electromyography signal-based gait robot systems.

Development of a Diagnosis Manual to Evaluate the Pedestrian Safety in a Neighborhood Using the Mixed Research Method (혼합연구방법을 활용한 근린환경의 보행안전성 진단 매뉴얼 개발)

  • Kim, Jaecheol
    • Journal of Digital Convergence
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    • v.15 no.8
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    • pp.1-14
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    • 2017
  • This study is a descriptive and exploratory one aiming to develop a systematic/diagnostic manual that is necessary for the improvement of the pedestrian safety of a neighborhood and show the practical application and usefulness of the manual through a case study. The diagnostic manual developed on the basis of the previous research review adopted a mixed research method including three investigation tools of map/data analysis using secondary data, field observation by investigators, and resident survey interview. In the case study applying the manual to Changsin-dong, Seoul, the author analyzed the results of the three investigations in integrative ways and showed the usefulness of the manual by systematically deriving the places prone to pedestrian-vehicle accidents and the influencing factors. This study contributes to the practical field in that it provides planners with a systematic tool to diagnose the pedestrian safety in the neighborhood environment while it contributes to the academic field in that it provides the concrete process that empirically compares the differences between different environmental investigative methods and deduce integrative implication from them. In a follow-up study, the author plan to apply the diagnostic manual presented in this study to more cases and improve them to work in various contexts.

Non-occlusive Mesenteric Ischemia (NOMI) Secondary to Traumatic Hemorrhagic Shock: Case Report (외상성 출혈성 쇼크 환자에서 발생한 비 폐쇄성 장간막 허혈)

  • Lim, Kyoung Hoon;Jung, Hee Kyung;Cho, Jayun;Lee, Sang Cjeol;Park, Jinyoung
    • Journal of Trauma and Injury
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    • v.27 no.4
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    • pp.204-207
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    • 2014
  • Non-occlusive mesenteric ischemia (NOMI) encompasses all forms of mesenteric ischemia with patent mesenteric arteries. NOMI is commonly caused by decreased cardiac output resulting in hypoperfusion of peripheral mesenteric arteries. We report a case of NOMI secondary to hemorrhagic shock and rhabdomyolysis due to trauma. A 42-year-old man presented to our trauma center following a pedestrian trauma. On arrival, he was drowsy and in a state of hemorrhagic shock. He was found to have multiple fractures, both lung contusion and urethral rupture. An initial physical examination and abdominal computed tomography (CT) scan revealed no evidence of intra-abdominal injury. High doses of catecholamine were administered for initial 3 days due to unstable vital sign. On day 25 of hospitalization, follow-up abdominal CT scan demonstrated that short segment of small bowel loop was dilated and bowel wall was not enhanced. During exploratory laparotomy, necrosis of the terminal ileum with intact mesentery was detected and ileocecectomy was performed. His postoperative course was uneventful and is under rehabilitation.

A Study of patients with Head Injuries (뇌 손상 환자의 특성과 인지능력의 회복에 관한 연구)

  • 최스미
    • Journal of Korean Academy of Nursing
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    • v.22 no.4
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    • pp.464-475
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    • 1992
  • Head Injuries due to traffic accidents are now the leading cause of death and long term disability in males between 30-50 years. Many patients with head injuries experience mild dysfunction of cognition without major neurosurgical problems, and this may interfere with successful rehabilitation. However, not many studies have been done to investigate the cognitive functioning following mild head injuries. The purpose of this study was to obtain injured patient's dermographic data including medical, neuropsychological and social data, and to investigate the cause of injury and alcohol use at the time of injury. This study focused on the recovery of cognitive function in patients with head injuries and used the Mini Mental State Examination(MMSE) score and its correlation with dermographic and social data. Data on 77 patients with minor head injuries who were admitted to the department of Neurosurgery in 3 and I hospital in Dae Jun from September 1991 to February 1992 were analyzed. The findings of this study are as follows ; 1) Out of the 77 cases reviewed in this study, 62 were male, 15 were female. 2) A higher incidence of injury was observed between 7:00 PM and 12:00 PM. 3) The most common cause of head injury in traffic accidents was pedestrian accidents, and the next most frequent cause was motorcycle accidents. 4) Thirteen of the 77 cases in this study were under the influence of alcohol at the time of injury, and they were all male. 5) The MMSE scores one month after injury and at discharge were significantly lower in patients with head injuries that included skull fractures than in patients without skull fractures, suggesting lower cognitive function in patients with skull fractures. 6) The level of consciousness at admission and three days after admission measured by the GCS for drivers under the influence of alcohol was lower than for sober drivers. The MMSE score was also lower for drunken drivers. 7) The MMSE score one month after the injury had a reciprocal relationship with the age of the patient. 8) The MMSE score one month after the injury and at discharge were highly correlated with the duration of unconsciousness. 9) The MMSE score one month after injury and at discharge were highly correlated with the GCS scores at admission, three days after admission, and one week after admission.

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