25 results on '"Haruo Oba"'
Search Results
2. Clinical Efficacy of Novel Patient-Covering Negative-Pressure Box for Shielding Virus Transmission during Esophagogastroduodenoscopy: A Prospective Observational Study
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Shintaro Fujihara, Hideki Kobara, Noriko Nishiyama, Naoya Tada, Kazuhiro Kozuka, Takanori Matsui, Taiga Chiyo, Nobuya Kobayashi, Tingting Shi, Tatsuo Yachida, Toshio Uchida, Taichi Nagatomi, Haruo Oba, and Tsutomu Masaki
- Subjects
esophagogastroduodenoscopy ,aerosol ,virus transmission ,COVID-19 ,Medicine (General) ,R5-920 - Abstract
Esophagogastroduodenoscopy (EGD) has a high risk of virus transmission during the current coronavirus disease 2019 era, and preventive measures are under investigation. We investigated the effectiveness of a newly developed patient-covering negative-pressure box system (Endo barrier®) (EB) for EGD. Eighty consecutive unsedated patients who underwent screening EGD with EB use were prospectively enrolled. To examine the aerosol ratio before, during, and after EGD, 0.3- and 0.5-μm aerosols were measured every 60 s using an optical counter. Moreover, the degree of contamination of the examiners’ goggles and vinyl gowns was assessed before and after EGD using a rapid adenosine triphosphate (ATP) test for simulated droplets. Data were available in 73 patients and showed that 0.3- and 0.5-μm particles did not increase in 95.8% (70/73) and 94.5% (69/73) of patients during EGD under EB. There were no significant differences in the total 0.3- or 0.5-μm particle counts before versus after EGD. The difference in the ATP levels before and after EGD was −0.6 ± 16.6 relative light units (RLU) on goggles and 1.59 ± 19.9 RLU on gowns (both within the cutoff value). EB use during EGD may provide a certain preventive effect against aerosols and droplets, decreasing examiners’ exposure to viruses.
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- 2021
- Full Text
- View/download PDF
3. Development of Feature Extraction System for WADA Kunibo's works Focusing on Color
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Maki Togawa, Ryota Ozawa, Fuka Kuwamura, Yuki Takagaki, Miki Nishitani, Haruo Oba, and Koji Kida
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Electrical and Electronic Engineering - Published
- 2023
4. How do mandatory emergency medicine rotations contribute to the junior residents’ professional identity formation: a qualitative study
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Ichita Yamamoto, Haruo Obara, and Daniëlle Verstegen
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Situated learning theory ,Community of practice ,Legitimate participation ,Professional identity formation ,Mandatory clinical rotations ,Emergency medicine ,Special aspects of education ,LC8-6691 ,Medicine - Abstract
Abstract Background This study aims to investigate the impact of short-term mandatory emergency medicine rotations on professional identity formation of Japanese junior residents. Using situated learning theory as a theoretical framework, we explore how this rotation, which is part of a two-year Junior residency in the transition period from students to qualified physicians. Methods We conducted a qualitative study conducting semi-structured face-to-face interviews with Year 1 postgraduate residents in the 2020–2021 classes of the junior residency program in Okinawa Chubu Hospital, Japan (n = 10). The data obtained from the interviews were analysed using inductive thematic analysis to identify the themes regarding professional identity formation. Results Four main themes regarding professional identity formation emerged from the data analysis: patient care, teamwork, role models, and peers. Junior residents said they had the opportunity to participate in the emergency department community and experience training in authentic clinical contexts. Clinical exposure influenced the professional identity formation of the junior residents. Nurses and peers played a crucial role in this. Junior residents see the training in the emergency department as the beginning of their careers. Conclusion Short-term mandatory rotations enabled junior residents to integrate into the emergency department community, demonstrating autonomy and responsibility. These experiences fostered their professional identity by helping their socialisation within the community of practice.
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- 2024
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5. Designing embodied interfaces for casual sound recording devices.
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Ivan Poupyrev, Haruo Oba, Takuo Ikeda, and Eriko Iwabuchi
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- 2008
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6. PreSense: interaction techniques for finger sensing input devices.
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Jun Rekimoto, Takaaki Ishizawa, Carsten Schwesig, and Haruo Oba
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- 2003
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7. DataTiles: a modular platform for mixed physical and graphical interactions.
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Jun Rekimoto, Brygg Ullmer, and Haruo Oba
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- 2001
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- View/download PDF
8. Clinical Efficacy of Novel Patient-Covering Negative-Pressure Box for Shielding Virus Transmission during Esophagogastroduodenoscopy: A Prospective Observational Study
- Author
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Haruo Oba, Toshio Uchida, Tingting Shi, Naoya Tada, Taichi Nagatomi, Noriko Nishiyama, Taiga Chiyo, Nobuya Kobayashi, Tatsuo Yachida, Takanori Matsui, Tsutomu Masaki, Kazuhiro Kozuka, Shintaro Fujihara, and Hideki Kobara
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medicine.medical_specialty ,2019-20 coronavirus outbreak ,Medicine (General) ,Coronavirus disease 2019 (COVID-19) ,medicine.diagnostic_test ,Esophagogastroduodenoscopy ,Virus transmission ,business.industry ,aerosol ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,Clinical Biochemistry ,esophagogastroduodenoscopy ,COVID-19 ,virus transmission ,Gastroenterology ,Article ,R5-920 ,Internal medicine ,medicine ,Clinical efficacy ,business - Abstract
Esophagogastroduodenoscopy (EGD) has a high risk of virus transmission during the current coronavirus disease 2019 era, and preventive measures are under investigation. We investigated the effectiveness of a newly developed patient-covering negative-pressure box system (Endo barrier®) (EB) for EGD. Eighty consecutive unsedated patients who underwent screening EGD with EB use were prospectively enrolled. To examine the aerosol ratio before, during, and after EGD, 0.3- and 0.5-μm aerosols were measured every 60 s using an optical counter. Moreover, the degree of contamination of the examiners’ goggles and vinyl gowns was assessed before and after EGD using a rapid adenosine triphosphate (ATP) test for simulated droplets. Data were available in 73 patients and showed that 0.3- and 0.5-μm particles did not increase in 95.8% (70/73) and 94.5% (69/73) of patients during EGD under EB. There were no significant differences in the total 0.3- or 0.5-μm particle counts before versus after EGD. The difference in the ATP levels before and after EGD was −0.6 ± 16.6 relative light units (RLU) on goggles and 1.59 ± 19.9 RLU on gowns (both within the cutoff value). EB use during EGD may provide a certain preventive effect against aerosols and droplets, decreasing examiners’ exposure to viruses.
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- 2021
- Full Text
- View/download PDF
9. Proximal Interactions: A Direct Manipulation Technique for Wireless Networking.
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Jun Rekimoto, Yuji Ayatsuka, Michimune Kohno, and Haruo Oba
- Published
- 2003
10. Verification of negative pressure box for preventing severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) transmission during upper gastrointestinal endoscopy
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Taichi Nagatomi, Noriko Nishiyama, Haruo Oba, Naoya Tada, Hideki Kobara, Shintaro Fujihara, and Tsutomu Masaki
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medicine.medical_specialty ,Hepatology ,Coronavirus disease 2019 (COVID-19) ,Virus transmission ,business.industry ,Transmission (medicine) ,Brief Report ,Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) ,gastroenterology ,gastrointestinal infections ,RC799-869 ,virus transmission ,Diseases of the digestive system. Gastroenterology ,Upper gastrointestinal endoscopy ,Gastroenterology ,Gastrointestinal infections ,Protective barrier ,Multiple infections ,protective barrier enclosures ,Internal medicine ,endoscopy: upper gastrointestinal ,Medicine ,Brief Reports ,business - Abstract
During the COVID‐19 pandemic era, multiple infection prevention and control measures to reduce the risk of SARS‐CoV‐2 transmission may be required in upper gastrointestinal endoscopy (UGI). We herein studied the verification tests of Endo barrier, which is one of the protective barrier enclosures. Endo barrier may be an alternative for minimizing SARS‐CoV‐2 transmission during UGI.
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- 2021
11. Postgraduate Year Two Medical Residents’ Awareness of Personal Development as a Physician during the Management of Inpatients: A Qualitative Study
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Kazuki Tokumasu, Haruo Obara, Takanobu Hirosawa, Hiroko Ogawa, and Fumio Otsuka
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autonomy ,personal development ,personal growth ,qualitative study ,responsibility ,Medicine - Abstract
Clinical experiences, helping relationships, and reflection are key factors for personal development for physicians. However, few studies have shown which experiences are important for personal growth and how medical residents specifically use their experiences for personal growth. The aim of this study was to identify from the medical residents’ perspective which clinical experiences contribute to their personal development. We employed a qualitative design, conducting semi-structured interviews with ten postgraduate year two medical residents at a Japanese teaching hospital. The interviews were transcribed in interview memos, anonymized, and subjected to reflective thematic analysis to generate themes relevant to personal and professional development. Successful clinical experiences with autonomy and responsibility in clinical management were shown to be essential points for personal development as a physician. Autonomy in this study was the attitude of making one’s own choices when managing patients. Responsibility was the obligation of the resident to take charge of a patient. Instructing junior trainees, appreciation received from patients, and approval granted by attending physicians reinforced their feelings of personal growth. The realization of what experiences and concepts influence medical residents’ personal growth and development will make their professional development more effective.
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- 2024
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12. SmartPad: a finger-sensing keypad for mobile interaction.
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Jun Rekimoto, Haruo Oba, and Takaaki Ishizawa
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- 2003
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13. Do programme coordinators contribute to the professional development of residents? an exploratory study
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Mayumi Aono, Haruo Obara, Chihiro Kawakami, Rintaro Imafuku, Takuya Saiki, Michael A. Barone, and Yasuyuki Suzuki
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Programme coordinator ,Educational role ,Resident ,Professional identity formation ,Special aspects of education ,LC8-6691 ,Medicine - Abstract
Abstract Background With the development of training programmes for health professions, the role of programme coordinators has become increasingly important. However, their role in providing educational support for the professional development of resident trainees has not been investigated well. This study aimed to qualitatively analyse the involvement of programme coordinators in educational support for residents. Methods Semi-structured reflective writing on ‘support for residents’ was collected from programme coordinators in teaching hospitals in Japan in 2017–18 using a web-based questionnaire. Descriptions were qualitatively analysed thematically, using the professional identity formation (PIF) framework. Results A total of 39 cases of “support for residents” by 31 coordinators were analysed. We found that residents most commonly faced prior personal problems, including mental health issues and insufficient social skills/unprofessional behaviour. A thematic analysis revealed that coordinators played a variety of educational roles: 1) requesting supervisors to reconsider their teaching; 2) protecting residents from the negative influence of clinical experiences; 3) facilitating residents’ self-assessment and confidence; 4) creating a safer learning environment; 5) providing support for prior personal problems through 5–1) fostering a better atmosphere for the mental health of residents, and 5–2) intervening for residents with insufficient social skills/unprofessional behaviour; 6) providing support for isolated residents; and 7) preventing problems with peers. Conclusions This study identified seven educational roles of programme coordinators for residents from a standpoint of PIF of residents. Based on these findings, four valuable attributes for coordinators were established: non-hierarchical relationships with residents, parenting attitudes, sensitivity to residents’ changes, and the perspective of the citizen and a member of the public. These attributes would underpin coordinators’ educational roles and facilitate the professional development of residents. This study provides a basis for defining and revising the role profiles of programme coordinators, and for improving staff development.
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- 2022
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14. Influence of national culture on mentoring relationship: a qualitative study of Japanese physician-scientists
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Haruo Obara, Takuya Saiki, Rintaro Imafuku, Kazuhiko Fujisaki, and Yasuyuki Suzuki
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Mentoring ,Physician-scientist ,Japan ,Cultural dimension ,Hofstede ,Globalization ,Special aspects of education ,LC8-6691 ,Medicine - Abstract
Abstract Background Nurturing of physician-scientists is an important mission of academic medical institutes. Although the importance of mentorship in developing future physician-scientists internationally is well established, not much information is available about how they are mentored and how national cultures influence the mentoring relationship. This study explores the cultural characteristics of mentoring relationships between senior mentors and junior mentees of Japanese physician-scientists. Method A qualitative approach has been employed to explore mentoring relationships of Japanese physician-scientists from cultural viewpoints, through semi-structured interviews with 17 mentees who had the experience of working overseas as post-doctoral research fellow. The reflection of their experiences and the perception of mentoring relationships before going abroad were thematically analyzed by applying Hofstede’s model of six cultural dimensions as a theoretical framework. Results Twelve characteristic themes for mentoring were observed, including trustworthy dependency on mentor, embracing paternalistic mentoring, mentee’s initiative within expectations of mentor based on power distance, a sense of loyalty to mentor/organization/colleagues, family-like relationship with mentor based on collectivism, sense of security on being led by mentor through uncertainty avoidance, motivation by role modeling for the competitive academic world, and adaption of female mentee/mentor to a male-dominated academic structure based on masculinity, a long-term relationship between mentor and mentee, receiving advice for organizational continuity based on long-term orientation, putting work before leisure, and friendly relationship between mentor and mentee outside of work based on indulgence. Conclusions This study identified the characteristic mentoring relationships of postgraduate mentees of Japanese physician-scientists. Considering the importance of mentoring for physician-scientists in a globalized society, understanding the characteristics of national cultures would help in ensuring culture-sensitive mentoring and would contribute to the development of academic medicine.
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- 2021
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15. Influence of angiotensin‐converting enzyme gene polymorphism on development of athlete's heart
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Hideomi Takada, Junzo Nagashima, Toru Awaya, Sachihiko Nobuoka, Kazuto Ohmiya, Haruo Oba, Haruki Musha, Narumi Mori, and Masahiro Murayama
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Adult ,medicine.medical_specialty ,Athlete's heart ,Peptidyl-Dipeptidase A ,Left ventricular hypertrophy ,Genetic determinism ,Internal medicine ,Genotype ,medicine ,Humans ,cardiovascular diseases ,Aged ,Ejection fraction ,Polymorphism, Genetic ,biology ,business.industry ,Angiotensin-converting enzyme ,General Medicine ,Articles ,Middle Aged ,medicine.disease ,Endocrinology ,Circulatory system ,biology.protein ,cardiovascular system ,Hypertrophy, Left Ventricular ,Gene polymorphism ,Cardiology and Cardiovascular Medicine ,business ,Sports - Abstract
Summary Background and hypothesis: Genetic influence on development of athlete’s heart is uncertain. This study investigated whether angiotensin-converting enzyme (ACE) gene polymorphism influenced development of athlete’s heart. Methods: Forty-three participants in a 100-km ultramarathon were classified on the basis of ACE gene polymorphism into a deletion group (n = 26) and an insertion group (n = 17). Echocardiograms were recorded to determine left ventricular end-diastolic and end-systolic diameters, interventricular septal thickness, left ventricular posterior wall thickness, left ventricular mass, and ejection fraction. Results: Left ventricular end-diastolic diameter (65.5 k 4.0 mm) and left ventricular mass (369.5 k 73.9 g) were significantly larger in the subjects with deletion than in those with insertion (57.4 f 4.2 mm, 306.5 k 93.7 g). However, no significant differences in the other parameters were noted. Conclusions: In long-distance runners, ACE gene polymorphism of the D/D and DA genotypes has a stronger influence on left ventricular hypertrophy than polymorphism of the I/I genotype.
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- 2009
16. Designing embodied interfaces for casual sound recording devices
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Haruo Oba, Takuo Ikeda, Eriko Iwabuchi, and Ivan Poupyrev
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Sound recording and reproduction ,Multimedia ,Casual ,Embodied cognition ,Human–computer interaction ,Computer science ,Reading (process) ,media_common.quotation_subject ,computer.software_genre ,Atmosphere (architecture and spatial design) ,computer ,media_common - Abstract
In the Special Moment project we prototype and evaluate the design of interfaces for casual sound recording devices. These devices are envisioned to be used by a casual user to capture and store their everyday experiences in the form of "sound albums" -- collections of recordings related to a certain situation. We formulate a number of design principles for such recording devices, as well as implement and evaluate two working prototypes. A candle recorder allows for capturing the general atmosphere at a party, and the children's book recorder records the interactions between parents and children while reading a book together.
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- 2008
17. PreSense
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Carsten Schwesig, Haruo Oba, Jun Rekimoto, and Takaaki Ishizawa
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Multimedia ,InformationSystems_INFORMATIONINTERFACESANDPRESENTATION(e.g.,HCI) ,business.industry ,Computer science ,Input device ,Undo ,computer.software_genre ,Action (philosophy) ,Gesture recognition ,Human–computer interaction ,Feature (machine learning) ,Keypad ,business ,computer ,Graphical user interface - Abstract
Although graphical user interfaces started as imitations of the physical world, many interaction techniques have since been invented that are not available in the real world. This paper focuses on one of these "previewing", and how a sensory enhanced input device called "PreSense Keypad" can provide a preview for users before they actually execute the commands. Preview important in the real world because it is often not possible to undo an action. This previewable feature helps users to see what will occur next. It is also helpful when the command assignment of the keypad dynamically changes, such as for universal commanders. We present several interaction techniques based on this input device, including menu and map browsing systems and a text input system. We also discuss finger gesture recognition for the PreSense Keypad.
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- 2003
18. SmartPad
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Takaaki Ishizawa, Jun Rekimoto, and Haruo Oba
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InformationSystems_INFORMATIONINTERFACESANDPRESENTATION(e.g.,HCI) ,Computer science ,business.industry ,Key (cryptography) ,Mobile computing ,Keypad ,Context (language use) ,Input device ,business ,Mobile device ,Mobile interaction ,Computer hardware ,Gesture - Abstract
This paper introduces SmartPad, a new input device for mobile computers that is an enhanced physical keypad by a finger position sensor. This input device acts as a normal keypad for mobile devices, such as cellular phones, and also recognizes finger position on the keypad be before the user presses the key. This feature is used to recognize finger gesture on the keypad, and can also be used to give preview information to the user before the user actually pressing the key. This previewable function helps users to predict the effect of the action, and it is also helpful when the key definitions are frequently changed according to the context, such as in the case of universal commanders.
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- 2003
19. DataTiles
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Jun Rekimoto, Haruo Oba, and Brygg Ullmer
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Multiple document interface ,Computer science ,Natural user interface ,business.industry ,Shell (computing) ,Graphical user interface testing ,Post-WIMP ,Modular design ,User interface design ,Visual language ,Magic pushbutton ,Interface metaphor ,Human–computer interaction ,Look and feel ,10-foot user interface ,User interface ,business ,Graphical user interface - Abstract
The DataTiles system integrates the benefits of two major interaction paradigms: graphical and physical user interfaces. Tagged transparent tiles are used as modular construction units. These tiles are augmented by dynamic graphical information when they are placed on a sensor-enhanced flat panel display. They can be used independently or can be combined into more complex configurations, similar to the way language can express complex concepts through a sequence of simple words. In this paper, we discuss our design principles for mixing physical and graphical interface techniques, and describe the system architecture and example applications of the DataTiles system.
- Published
- 2001
20. Remarks Concerning the Transfer of Managerial and Organizational Methods to Eastern Europe: Opportunities and Problems for Japan
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Haruo Oba
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Geography ,business.industry ,Human resource management ,media_common.quotation_subject ,Technology transfer ,Information technology ,Quality (business) ,Product (category theory) ,Economic system ,business ,media_common - Abstract
Proceeding from a Japanese viewpoint I should like to indicate two important considerations for promoting a transfer of managerial and organizational methods to Eastern Europe. In this paper we must examine, firstly, the conditions necessary for and, secondly, the conditions sufficient for such a transfer. Necessary conditions are the existence of a market economy system and the establishment of proper infrastructure; sufficient conditions are product quality and information technology.
- Published
- 1996
21. Sound constituting apparatus
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Junnichi Nagahara and Haruo Oba
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Vibration ,geography ,Noise ,geography.geographical_feature_category ,Acoustics and Ultrasonics ,Arts and Humanities (miscellaneous) ,Computer science ,Acoustics ,State (computer science) ,Sound power ,Signal ,Sound (geography) - Abstract
A sound constituting apparatus translates a sensor output, as detected by an input detection unit, such as state changes, into electrical signals. A data extracting unit makes use of these electrical signals as an information concerning an external environment to extract the results of analyses of the information concerning the external environment as data. A sound source controlling unit outputs sound source controlling data, based on the data extracted by the data extracting unit, and translates the output signals into a modified sound by a sound producing device to eliminate time constraint. In producing the sound, at least one of physical parameters, namely the noise of the external environment, vibrations, light, temperature, humidity or atmospheric pressure, time parameters such as time, day and season and biological information parameters, such as brain waves, body temperature, pulsation, perspiration, number of breaths, is selected to detect the state or changes in the state in such external environment or living body for conversion into electrical signals. The apparatus then fetches the information concerning the external environment to translate it instantly into an output sound totally different from the original sound. In this manner, a sound totally different from the original sound is produced and outputted without employing complex theories.
- Published
- 1996
22. A brief home-based palliative care learning experience for medical students and resident doctors in Okinawa, Japan.
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Hiroaki Nagano, Haruo Obara, and Yoshihiro Takayama
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Medicine ,Science - Abstract
BackgroundThe clinical component of medical education for students and resident doctors in Japan occurs almost entirely in the hospital setting. Because of this inpatient focus, graduate medical education clinical training often fails to expose physicians-in-training to the challenges that patients may face in the outpatient or home setting. This is a descriptive study in which we explore what participating students and resident doctors learned through our brief home-based teaching experience.MethodsFrom June 2016 to December 2017, attending physicians on the internal medicine service had medical students and resident doctors accompany them on home care visits. Participants were selected by convenience sampling based on their rotation availability. After the home visit and the interactive discussion, the participants were expected to prepare a reflective journal on their experience and learning. Thematic analysis was applied, and key themes were developed based on Kolb's ELT (Experiential learning theory). Three months after completion of the experience, semi-structured interviews were individually conducted assessing participants' self-perceived changes.ResultsThirty-two medical students(10) or residents(22)participated in a home visit. Thirty of these learners were able to complete a reflective journal. Using thematic analysis, we identified 2 domains and 6 key themes from the participants' perceptions. Participants recognized the importance of patient-centered care, inter-professional collaboration of the home care team, and reconceptualized the meaning of medical practice and their professional identity as a doctor. Three month post-experience interviews were completed on 12 of the original 30 participants who completed the reflective journal. 2 domains and 6 key themes from the residents' experiences and perceptions were generated. The participants reported an increased attention to the daily lives and social situations of their hospitalized patients, and an extension of their focus beyond the clinical medical treatment of the patient.ConclusionThe experience of a brief visit to a patient's home is a novel educational approach that may potentially provide medical students and resident doctors with opportunities to learn about out-of-hospital, patient-centered, home-based medical care.
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- 2019
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23. Several Viewpoints about the Backgrounds of Labour Mobility
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Haruo Oba
- Published
- 1982
24. On the Solution of Statically Indeterminate Structures by the Propagation and Reflection Method
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Haruo Oba, Kiyoshi Muto, and Makoto Nagasawa
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Physics ,Statically indeterminate ,Acoustics ,Reflection (physics) - Published
- 1938
25. Chromosome number on the offspring line of hybrid in Bombyx mandarina×B. mori
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Haruo Oba
- Subjects
Genetics ,Chromosome number ,Offspring ,General Medicine ,Biology ,Line (text file) ,biology.organism_classification ,Bombyx mandarina - Abstract
F1 に家蚕を戻交雜したものの次代、又は2回家蚕を戻交雜したものの次代の配偶子形成において四倍性細胞の出現することを観察した。この倍数性母細胞の染色体数は一定していないが、形状、大さからして一價、二價、三價のものの混在が考えられる。第二分裂が正常に進行するものと、異常のものが見られた。
- Published
- 1950
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