Jin-Shin Lai

• MD
• National Taiwan University

In recent years, the motion capture system has received a lot of attention because of its wide application, such as movie animation, sport and medical applications. In the field of rehabilitation, motion capture systems are often used to collect the motion information of the patient when he/she is performing rehabilitation tasks. It can be used to...

Purpose: Frozen shoulder syndrome (FSS) causes pain and reduces the range of motion in the shoulder joint. To investigate the short and medium-term effects of electroacupuncture in people with FSS, we evaluated the therapeutic effects of true and sham electroacupuncture on pain relief and improvement of shoulder function. Methods: In this random...

The sound of the siren of the ambulance is for the safety of the road transportation, but interferes the auscultation of the lung and heart sounds. The system implementation is included by (1) ACER Aspire 17 notebook as a server in right side; (2) HwaWei Amazing A6 smart mobile as a hot point in the middle; and (3) ACER Aspire 5 notebook as a clien...

The sound of the siren of the ambulance is for the safety of the road transportation, but interferes the auscultation of the lung and heart sounds. The system implementation is included by (1) ACER Aspire 17 notebook as a server in right side; (2) HwaWei Amazing A6 smart mobile as a hot point in the middle; and (3) ACER Aspire 5 notebook as a clien...

This paper presents an assistive control system with a special kinematic structure of an upper limb rehabilitation robot embedded with force/torque sensors. A dynamic human model integrated with sensing torque is used to simulate human interaction under three rehabilitation modes: active mode, assistive mode, and passive mode. The hereby proposed r...

This study presented the application of the adaptive filter to reduce the interference of the sound of sirens (audible warnings) of the ambulance. The auscultation of respiration on the ambulance is usually different from that in clinic room. The environmental noise is much larger on the ambulance, especially, the sound from audible warnings. Howev...

This study presented to insert a small-scaled microphone of the ear-set of a smart mobile (Galaxy Beam, GT-I8530, SamsungTM) into an eartip of the stethoscope, the sound can be transmitted by the mobile when it dialed to another phone or mobile. In this study, we employed another smart phone (Windows Phone 8X, hTC TM) to be the receiver. The result...

Population aging has become an increasingly severe problem in recent years. Based on the diversity of the mobile functions, and the advanced mobile technology, the elders might use the modern mobile to get the conveniences of the elder's living. In our study, 34 senior citizens in the UK, and 56 persons in Taiwan, students of the Evergreen Elder Un...

Frozen shoulder is a functional disorder related to shoulder muscles. Among many treatment strategies, rehabilitation exercise is one of the most common and viable therapy. In this research, a new 8 degrees of freedom (DOFs) rehabilitation robot arm named NTUH-II has been developed. The robot arm is able to provide most of upper limb rehabilitation...

Background The application of internet technology for telerehabilitation in patients with stroke has developed rapidly. Objective The current study aimed to evaluate the effect of a bidirectional and multi-user telerehabilitation system on balance and satisfaction in patients with chronic stroke living in long-term care facilities (LTCFs). Method...

Six-minute walk test (6MWT) is an important measure to assess the exercise capacity of cardiac patients. This study aimed to evaluate the correlations of 6MWT with findings of cardiopulmonary exercise testing (CPET), health-related quality of life (HRQoL), and obesity among heart transplantation recipients (HTR) at least 1 year after transplantatio...

This study presented a theoretical analysis to prove that there exists an optimal sampling frequency to reduce the noise in the signal to reduce the processes of acoustic digital signal processing. The respiration sounds have been recorded by 2 to 44.1 KHz or higher sampling rates, however, the optimal frequency might be decided by the noise from e...

This study presented to insert a small-scaled microphone of the ear-set of a smart mobile (Amazing A6, Taiwan MobileTM) into an eartip of the stethoscope, the sound can be transmitted by the mobile when it dialed to another phone or mobile. In this study, we employed another smart phone (Galaxy R GT19103, SamsungTM) to be the receiver. The results...

Although sacral anterior root neuromodulation (SARN) has proven to be effective in patients with neurogenic bladder, it is not widely accepted due to the need to conduct a dorsal rhizotomy, and commercially available SARN devices are not usually equipped with a closed-loop controller for the automatic regulation of bladder functions. Therefore, the...

Cerebral vascular disease is the leading cause of functional disability among adults. Approximately half of allstroke survivors continue to suffer from severe neurological deficits and hemiparesis in the upper extremities as well as many secondary complications due to immobilization. Robotics can provide highly intensive intervention in troke rehab...

A mouse is an important communication interface between a human and a computer, but it is still difficult to use for the elderly or disabled.OBJECTIVE: To develop a low-cost computer mouse auxiliary tool. The principal structure of the low-cost mouse auxiliary tool is the IR (infrared ray) array module and the Wii icon sensor module, which combine...

Daily life movements require balance ability. Good balance control is closely related to body stability and its development. Therefore, balance training is necessary for any age group.OBJECTIVE: This study proposes the combination of Kinect and virtual reality to build an information platform of interactive scenarios, for practice and evaluation of...

Objective: Tele-assessment techniques can provide healthcare professionals with easily accessible information regarding patients' clinical progress. Recently, kinematic analysis systems have been used to assess rehabilitative outcomes in stroke patients. Kinematic systems, however, are not compatible with tele-assessment. The objective of our stud...

Hands play a very important role in human daily activities. Hand robotic exoskeletons for rehabilitation have been and continuously are developed by many research institutions. Generally, the information on finger length is required while using such device and assessing part of hand function. In this paper, we propose a hand joint localizer and a r...

Background: Pain that accompanies anterior cruciate ligament deficiency during dynamic knee extension exercises is usually caused by excessive anterior tibial translation, which can be restricted if the anterior cruciate ligament was intact. Methods: A functional electrical stimulator is incorporated with a training device to induce hamstring co...

Background: Cardiac rehabilitation (CR) after heart transplantation is known to benefit physical capacity in adults, but the advantages of CR on pediatric patients with heart retransplantation remain undetermined. Aim: The purpose of the present study was to report the effect of structured CR for a boy receiving heart transplantations twice. De...

Objective: The aim of this study was to determine the effect of using a cane on movement time, joint moment, weight symmetry, and muscle activation patterns during sit-to-stand (STS) transfer in healthy subjects and subjects who have had a stroke. Design: Nine subjects with hemiparesis (mean [SD] age, 61.11 [12.83] yrs) and nine healthy adults (...

This study aimed to investigate the association between serum adiponectin and chronic hepatitis B virus (HBV) infection. We conducted a campus-based cross-sectional study in Northern Taiwan, an HBV-endemic country. A total of 506 participants, including 147 chronic HBV-infected individuals and 359 healthy controls, were assessed for anthropometric...

Tai Chi Chuan (Tai Chi) is a Chinese traditional mind-body exercise and recently, it becomes popular worldwide. During the practice of Tai Chi, deep diaphragmatic breathing is integrated into body motions to achieve a harmonious balance between body and mind and to facilitate the flow of internal energy (Qi). Participants can choose to perform a co...

Exercise training is the cornerstone of rehabilitation for patients with cardiovascular disease (CVD). Although high-intensity exercise has significant cardiovascular benefits, light-to-moderate intensity aerobic exercise also offers health benefits. With lower-intensity workouts, patients may be able to exercise for longer periods of time and incr...

This study presented a theoretical analysis to prove that there exists an optimal sampling frequency to reduce the noise in the signal to reduce the processes of acoustic digital signal processing. The respiration sounds have been recorded by 2 to 44.1 KHz or higher sampling rates, however, the optimal frequency might be decided by the noise from e...

Daily life movements such as standing, walking, and jumping need balance ability to achieve. Good balance control is closely related to the body stability and its development. According to medical research, people showing dizziness after taking drugs may have their balance ability substantially affected, and are more likely to fall, especially true...

This paper presents a control scheme using human arm dynamics to simulate the subject's volitional movement. To achieve this goal, first, it has to obtain the torques purely generated from the subject from force/torque sensors. With this result, the controller can implement the therapeutic exercises, consisting of the active range of motion (AROM),...

Voltage-controlled neuromuscular electrical stimulation has been considered to be safer in noninvasive applications notwithstanding the fact that voltage-controlled devices purportedly generate forces less predictable than their current-controlled equivalents. This prompted us to evaluate relevant electrical parameters to determine whether forces i...

Significant hepatitis B viral load (≥10,000 copies/mL) was established to increase risk of advanced liver diseases. The aim of this study was to explore the metabolic risk factors for significant hepatitis B viral load. A campus-based cohort consisting of 146 participants of chronic hepatitis B virus (HBV) infection in Northern Taiwan was investiga...

In this study, we sought to assess the cardiopulmonary functions in three pediatric heart transplant recipients, two of whom are with dilated cardiomyopathy, whereas one is with cyanotic heart disease, in early postoperative period. Cardiopulmonary exercise testing was performed using an incremental cycling at 1 mo after surgery. The results reveal...

Exercise dosage is proven to be an important factor in the physical treatment. Robot assistive approach can improve the rehabilitation quality and evaluate patient's recovery quantitatively. This paper presents kinematic structure, assistive control system, and integrated F/T sensor for an upper limb rehabilitation robot. By using the human arm dyn...

Based on the wide usage of personal health records, privacy concerns are inevitable, such as the disclosure degree for personal information and health records and browsing privileges for related information. We do not have an effective categorizing system to control user privilege, so employees who have multiple identities must switch between diffe...

To investigate the effect of an early postoperative outpatient cardiac rehabilitation program to health-related quality of life among heart transplantation recipients (HTR) and patients with coronary artery bypass graft (CABG) surgery. The study included 45 clinically stable HTR (age: 47 ± 14 years; 36 men, 9 women) and 34 patients with CABG (age:...

Cerebral vascular disease (or stroke) is the main cause of disabilities in adults. Upper-limb dysfunction after stroke usually exists, leading to severe limits of motor capabilities as well as daily activities. Therefore, effective treatment interventions for upper-limb rehabilitation after stroke are needed. Based on the neurophysiological evidenc...

The objective of this study is to design a robot system to assist the rehabilitation of patients so that they can afterwards do various daily activities. It is difficult to determine the desirable posture of a 9-DOFs exoskeleton manipulator in such a system and each joint control design as well. In this paper, we resolve the difficulties by mapping...

Healthcare services integration is a critical task as it attempts to reform the user practices. In response to the request of facilities upgrade, we perform a usability evaluation of the mobile medical treatment carts (MMTC) installed in the Emergency Medicine Department of our healthcare enterprise. A survey conducted in August 2006 identified tha...

Information security management for healthcare enterprises is complex as well as mission critical. Information technology requests from clinical users are of such urgency that the information office should do its best to achieve as many user requests as possible at a high service level using swift security policies. This research proposes the Agile...

Powered wheelchairs are an important mobility aid for the elderly and for persons with disability. According to World Health Organization statistics, most of the accidents were due to personal mistakes; if there is an auto-navigating system such as auxiliary, mistaken manipulation will decrease efficiency. This study attempted to improve the global...

The following arguments will focus on three significant concerns: management by objectives, anonymous vs. signed survey, and statistical major requirements. 6.1 Management by Objectives (MBO) Because most healthcare services are mission-critical, the service quality promotion is the most important concern in healthcare management level. Managers em...

This article illustrates a Web-based health information system that is comprised of specific information exchange standards related to health information for healthcare services in National Taiwan University Health System. Through multidisciplinary teamwork, medical and informatics experts collaborated and studied on system scope definition, standa...

We investigated the gender-specific effects of physical activity, BMI and WC on glucose intolerance in an elderly Taiwanese population (n=1344) aged 65 and above, who participated in the Elderly Nutrition and Health Survey in Taiwan in 1999-2000. In this cross-sectional study, physical activity was assessed using the Modified Baecke Questionnaire f...

Foot switches operating with force sensitive resistors placed in the shoe sole were considered as an effective way for driving FES assisted walking systems in gait restoration. However, the reliability and durability of the foot switches run down after a certain number of steps. As an alternative for foot switches, a simple, portable, and easy to h...

The modular architecture allows for greater flexibility in the building of neural prostheses with a variety of channels but may result in unpredictable accidents under circumstances such as sensor displacements, improper coordination of the connected modules and malfunction of any individual module. A novel fail-safe interface is offered as a solut...

To estimate the numbers of physical therapists per million of the population in a number of countries, we sent questionnaires to the 48 national associations of member countries of the World Confederation for Physical Therapy in November 1991. The 28 replies showed that there were between 6 and 1904 physical therapists per million of the population...

This paper illustrates how our development team has used some information technologies to let physicians obtain an instant abnormal laboratory result report for critical patient care services. We have implemented a healthcare message alerting system (HMAS) on a healthcare short message service (HSMS) engine and the distributed healthcare-oriented s...

This work elucidates the evolution of three generations of the laboratory information system in the National Taiwan University Hospital, which were respectively implemented in an IBM Series/1 mini-computer, a client/server and a plug-and-play HL7 interface engine environment respectively. The experience of using the HL7 healthcare information excha...

This paper illustrates an amalgamative graphic view diagram for multiple information streams, such as manual stream, data stream, repertory stream, and money stream, in the health informatics field. Such a graphic view lets users, system analysts, and system designers look and feel the mutual and interactive relationship within a limited health inf...

To establish and compare the relationship between standing balance and walking performance, eight children with spastic diplegic cerebral palsy (CF) and 16 non-disabled, age- and sex-matched children were studied. The results showed that the children with CP had worse static balance stability in various sensory environments and dynamic balance (rhy...

T'ai chi chuan (TCC) is a traditional Chinese exercise and is beneficial for health. Nevertheless, its effect on cardiovascular risk factors in dyslipidemic patients is not clear. The aim of this study was to evaluate the effect of TCC training on coronary heart disease (CHD) risk factors in patients with dyslipidemia. This was designed as a case-c...

This paper illustrates a feasible health informatics domain knowledge management process which helps gather useful technology information and reduce many knowledge misunderstandings among engineers who have participated in the IBM mainframe rightsizing project at National Taiwan University (NTU) Hospital. We design an asynchronously sharing mechani...

Extracorporeal shockwave therapy (ESWT) has been applied in lithotripsy and treatments of musculoskeletal disorders over the past decade, but its effects on peripheral nerves remain unclear. This study investigated the short-term effects of shockwaves on the sciatic nerve of rats. The nerves were surgically exposed and then stimulated with shockwav...

A hospital-based cardiac rehabilitation program can significantly improve the cardiopulmonary endurance and quality of life (QOL) in patients after orthotopic heart transplantation (OHT). Home-based programs for these patients have advantages of low cost and high accessibility, but little is known about their efficacy. This prospective study was de...

The objective of this study was to evaluate the 5-year changes of aerobic capacity, fat ratio and flexibility in older Tai Chi Chuan (TCC) practitioners and sedentary controls. Sixty-nine community-dwelling elderly individuals (mean age: 68.6 +/- 6.3 years) completed this study. The TCC group (18 M; 17 F) had been practicing TCC regularly for 6.3 +...

In this study, a patient-driven loop control in a non-invasive functional electrical stimulation (FES) system was designed to restore hand function of stroke patients with their residual capabilities. With this patient-driven loop control, patients use the electromyographic (EMG) signals from their voluntary controlled muscles in affected limbs to...

Tai Chi Chuan (TC) is a Chinese conditioning exercise and is well-known for its graceful movement. The exercise intensity of TC depends on its training style, posture and duration. Variation in training approaches result in substantial differences in exercise intensity. We have measured heart rate (HR) and oxygen uptake (VO2) simultaneously during...

Coronary heart disease (CHD) is the leading cause of death in the developed countries and many developing countries. Exercise training is the cornerstone of cardiac rehabilitation program for patients with CHD, and exercise intensities in the 50-70% heart rate reserve have been shown to improve functional capacity. However, recent studies found exe...

Purpose. In this study, a patient-driven loop control in a non-invasive functional electrical stimulation (FES) system was designed to restore hand function of stroke patients with their residual capabilities. Method. With this patient-driven loop control, patients use the electromyographic (EMG) signals from their voluntary controlled muscles in a...

In this research, we employ the technology of computer vision to recognize traffic light. We manipulate the color information of traffic light under HSI color space. And then, adding motor tracking technology, we can trap the traffic light which is subjected to a region of interest (ROI) to the center area of monitor. Meanwhile, we assign different...

In this research, we employ the technology of computer vision to recognize traffic light. We manipulate the color information of traffic light under HSI color space. And then, adding motor tracking technology, we can trap the traffic light which is subjected to a region of interest (ROI) to the center area of monitor. Meanwhile, we assign different...

During these years, the development of the HL7 standard is raising fast. There are more and more researchers taking notice of the clinical document architecture (CDA). Because it is sometimes hard to exchange medical messages actually, we try to find a solution. In this paper we advance a new usage of the CDA - portable CDA. The portable CDA is bas...

It becomes very difficult for pooling and combining of patients' laboratory test results from different healthcare providers for integrated care when using different set of the codes. LOINC® (Logical Observation Identifier Names and Codes) has been developed to facilitate the transmission and storing of clinical laboratory results among different...

Taiwan started to be an 'aging society' from 1993, and the aging process will progress more rapidly due to markedly decreased child birth in recent year. Facing very high old age dependency ratio as 1 to 2 in year 2030 which means every two working age persons (age 15 - 64 years) have to support one elderly people. That would be an enormous burden...

This paper illustrates a sustained conceptual service quality improvement process for the management of software development within a healthcare enterprise. Our proposed process is revised from Niland's healthcare quality information system (HQIS). This process includes functions to survey the satisfaction of system functions, describe the operatio...

Control strategies are the chief attraction in the field of rehabilitation engineering, and especially in a functional electrical stimulation (FES) system, a reliable control method is important for paralyzed patients to restore lost their functions. In this paper, we have presented a demonstration of the control strategy, which is based on the pat...

This article introduces the modification of a self-developed prototype electrical stimulator. In addition, we describe our new design of a versatile and user-friendly toolbox based on the LabVIEW environment that will enable clinical users and physicians to easily go on to further applications and research. The prototype electrical stimulator is ba...

The development of wireless communication technology combined with large numbers of people using mobile phones and the internet has made the development of a 'mobile hospital' a reality. Such a hospital will enable healthcare to be provided to anybody, anywhere, at any time and be an important step in improving emergency care and addressing the car...

This study aims to establish an electronic wheelchair system in Taiwan that conforms to multiple master-multiple slave (M3S) standards. The proposed system could enhance the safety and convenience of people with disabilities. The M3S-based head-controlled electric wheelchair consists of three parts: (A) the input device, (B) the output device, and...

In this paper, a novel hybrid system with a local feedback control architecture for a wheeled mobile manipulator (WMM) is proposed to seek a target and grasp it within an unknown indoor environment. The active behaviors of a WMM are able to explore environment, lock target, self-localization and avoid obstacles. Initially, an ingenious hybrid model...

This paper describes our codesign between the Internet healthcare enterprise information portal (HEIP) and hospital information systems (HIS) inside the hospital intranet environment at National Taiwan University Hospital (NTUH). In fact, the hospital customer relationship management (CRM) can be categorized and managed through a single sign-on inf...

Non-compliance and inappropriate usage of medication are common problems found among the elderly. The risks may range from significant reducing the effectiveness of medical treatment on chronic diseases to raised complications caused by adverse drug reaction (ADR). These problems are common especially for elderly patients with polypharmacy. To addr...

A low cost telemedicine system which constructed with inexpensive, commercially available parts and used ADSL network was developed for tele-consultation. This system enhanced the acceptability of the healthcare services for the mountainous region and redeem the lack of medicine man power in such area. The preliminary results from several medical c...

The development of wireless communication technology creates a mobile hospital that provides "e-link" between patients and medical personnel 24 hours a day and seven days a week. In this way, mobile hospital can provide a continuous and comprehensive healthcare for anybody, in any time and anywhere. Such communication pathway is capable and reliabl...

The study is aimed at establishing a neural network + PID feedback control FES (functional electrical stimulation) system used for adjusting the optimum electrical stimulating current to control the motion of an ankle joint. The proposed method further improves the drop-foot problem existing with hemiplegia patients.

This paper illustrates a feasible health informatics domain knowledge management process which helps gather useful technology information and reduce many knowledge misunderstandings among engineers who have participated in the IBM mainframe rightsizing project at National Taiwan University Hospital (NTUH). Our health informatics domain knowledge ma...

The increasing number of physically challenged individuals has boosted the demand of powered wheelchairs. This paper is on the subject of a DSP (Digital Signal Processors) based assistive system, which is associated with a two-level checking scheme. The assistive system takes on the M3S (Multiple Master Multiple Slave) regulation for the assurance...

Owing to the increasing number of disabled individuals, technical aids are acting more aggressively in the era of modern medicine. The M3S (Multiple Master Multiple Slave) system developed for the physically challenged, utilizes intelligent transmission and integration mechanisms to arrange all hooked-up devices with proper control. To overcome cer...

The purpose of this study is to develop a M3S- Based GPS navigation system for power wheelchair. The wheelchair steered with GPS and electronic compass can move automatically toward a specific destination through a GIS-Map in the computer. The topic of this study is to help people with disabilities regain independence of transportation in specific...

This study is aimed at establishing a neural network+PID feedback control FES system used for adjusting the optimum electrical stimulating current to control the motion of an ankle joint. The proposed method further improves the drop-foot problem existing hemiplegia patients.