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Radiation Protection of a Patient Undergoing an Orthopedic Procedure by Using a Mobile C-Arm X-Ray System 被引量:1
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作者 Natasha Ivanova 《International Journal of Medical Physics, Clinical Engineering and Radiation Oncology》 2020年第3期141-156,共16页
Modern medicine is unthinkable without X-rays. Accurate diagnosis, leading to effective treatment, is largely based on precise X-ray examinations. The creation of new, modern equipment and various medical procedures t... Modern medicine is unthinkable without X-rays. Accurate diagnosis, leading to effective treatment, is largely based on precise X-ray examinations. The creation of new, modern equipment and various medical procedures that meet the increased requirements are a priority in our time. X-ray examinations are of particular importance for the orthopedic and traumatological clinics, where they provide information about presence of a fracture in the patient’s body, about the concrete operation performed or about the effect of a suitable treatment. Along with their benefits X-rays have also a harmful effect. This requires special care to protect from this radiation. In this direction, research is constantly being done to improve the quality of radiation protection. Park MR, Lee KM and co-authors, compare the dose load obtained using C-arm and O-arm X-ray systems (which have the capability of combined 2D fluoroscopy and 3D computed tomography imaging). In their study, an orthopedic surgical procedure using C-arm and O-arm systems in 2D fluoroscopy modes was simulated. The radiation doses to susceptible organs of the operators were investigated. He results obtained show that the O-arm system delivered higher doses to the sensitive organs of the operator in all configurations [1]. The article of Stephen Balte briefly reviews the available technologies for measuring or estimation of patient skin dose in the interventional fluoroscopic environment, created by various X-ray equipment including C-arm systems. Given that many patients require multiple procedures, this documentation also aids in the planning of follow up visits [2]. Chong Hing Wong, Yoshihisa Kotani and co-authors evaluate the radiation exposures (RE) to the patient and surgeon during minimally invasive lumbar spine surgery with instrumentation using C-arm image intensifier or O-arm intraoperative CT. The results they get are in favor of the O-arm system [3]. The article “Virtual fluoroscopy for intraoperative C-arm positioning and radiation dose reduction” discusses positioning of an intraoperative C-arm system to achieve clear visualization of a particular anatomical feature by a system for virtual fluoroscopy (called FluoroSim) that could dramatically reduce time and received dose during the procedures. FluoroSim was found to reduce the radiation exposure required for C-arm positioning without reducing positioning time or accuracy, providing a potentially valuable tool to assist surgeons [4]. In our study, we performed practical measurements to show how the patient can be treated by applying most effective radiation protection when using a mobile C-arm X-ray system. For the study, we used exposure upon a phantom placed on the patient’s table. For an X-ray shielding, we used a protective apron with a lead equivalent of 1 mm, placed in two layers on the phantom. In each subsequent series of exposures, the protective apron was placed on the phantom, in a different position relative to the X-ray beam. The general conclusion of our study is that in order to obtain maximum protection from scattered radiation when using C-arm X-ray systems, the patient must be protected by a shielding with a suitable lead equivalent for the procedure performed which must be placed between patient’s body and X-ray tube, perpendicular to the X-ray beam pointed toward the region of interest. 展开更多
关键词 C-Arm x-ray Equipment Radiation protection PATIENT Orthopedics and Traumatology Clinic
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The Low-Carbon and Environmental Protection of Textile and Garment in China
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作者 Aili Zhu Yue Hu 《Journal of Geoscience and Environment Protection》 2016年第11期45-49,共5页
It should be transformed from the extensive development in the past to the new normal form of environmentally friendly pattern of “save energy, lower consumption and less pollution” in the Textile and Garment. For t... It should be transformed from the extensive development in the past to the new normal form of environmentally friendly pattern of “save energy, lower consumption and less pollution” in the Textile and Garment. For the pollution problem in China’s textile and garment industry, the author particularly analyzes the pollution of the textile and garment industry mainly occurred in the process of textile and clothing production and sales in this article. Finally, the author puts forward detail measure to control the pollution from the two aspects and advocates the concept of low-carbon environmental protection and green lifestyle. The low-carbon environmental protection has become a phenomenon in Textile and Apparel. 展开更多
关键词 Textile and garment Industry Environmental Pollution Energy Saving Green Environmental protection
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惠安女服饰的数字化保护与演变特点分析 被引量:1
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作者 李旰鹏 丁晓松 谢雨成 《纺织科技进展》 CAS 2024年第3期48-51,共4页
惠安女在长期的劳动生活中形成的特色服饰文化随着其生活方式的变化而出现传承危机。为保护惠安女的传统服饰文化,在田野调查和文献研究的基础上,对清末民初以来惠安女的服装形制进行归纳总结,并复原出其平面结构,进而基于服装虚拟试衣... 惠安女在长期的劳动生活中形成的特色服饰文化随着其生活方式的变化而出现传承危机。为保护惠安女的传统服饰文化,在田野调查和文献研究的基础上,对清末民初以来惠安女的服装形制进行归纳总结,并复原出其平面结构,进而基于服装虚拟试衣软件CLO3D进行数字化复原,制作出“接袖衫”“缀做衫”“节约衫”等8套虚拟服装。基于虚拟服装的直观性,观察各时期惠安女服装与人体的空间关系,分析其演变特点。运用服装虚拟技术能促进惠安女服饰文化的传承,为其他传统服饰的保护提供参考。 展开更多
关键词 惠安女 传统服饰 虚拟服装 非遗保护 CLO3D
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Attenuation coefficients of gamma and X-rays passing through six materials 被引量:4
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作者 Xue-Dou Su Gao-Long Zhang +8 位作者 Shou-Ping Xu Wei-Wei Qu Lin Song Yu-Hua Huang Ben Wang Yi-Feng Wang Ze-Tao Zhang Wu-Fu Xu Ming-Li Wang 《Nuclear Science and Techniques》 SCIE CAS CSCD 2020年第1期26-31,共6页
The aim of this study was to determine the attenuation of gamma and X-rays with different energies caused by passage through different materials.To this end,different materials with a range of atomic numbers were chos... The aim of this study was to determine the attenuation of gamma and X-rays with different energies caused by passage through different materials.To this end,different materials with a range of atomic numbers were chosen to measure gamma and X-ray attenuation coefficients and to explore the mechanisms of interaction of gamma and X-rays with matter of various kinds.It is shown that the attenuation coefficients first decrease and then increase with increase in the radiation(photon)energy.The attenuation of gamma and X-rays passing through materials with high atomic number is greater than that in materials with low atomic number.The attenuation minimum is related to the atomic number of the irradiated materials.The larger the atomic number is,the lower the energy corresponding to attenuation minimum is.Photoelectric and Compton effects are the main processes when gamma rays pass through individual materials with high and low atomic numbers,respectively.Therefore,for radiotherapy and radiation protection,different methods should be considered and selected for the use of gamma and X-rays of different energies for use in different materials. 展开更多
关键词 Attenuation coefficient Interaction mechanisms Gamma rays High-energy x-rays Therapy and protection
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Study on Compliance with Radiation Protection Rules in the Medical Imaging Department of Pr Bocar Sidy Sall Hospital of Kati (Mali)
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作者 Issa Diarra Salia Coulibaly +8 位作者 Ilias Guindo Cheick Oumar Keita Soumaïla Diallo Souleymane Sanogo Hawa Diarra Boubacar Sonfo Aboubacar Sidiky N’diaye Youssouf Kone Bourama Diarra 《Open Journal of Radiology》 2022年第4期239-257,共19页
Objective: Evaluate the level of compliance with radiation protection rules in the medical imaging department of the University Hospital Center (CHU) of Kati. Methodology: This was a cross-sectional and descriptive st... Objective: Evaluate the level of compliance with radiation protection rules in the medical imaging department of the University Hospital Center (CHU) of Kati. Methodology: This was a cross-sectional and descriptive study carried out in the medical imaging department of Pr Bocar Sidy Sall (BSS) Hospital of Kati. A questionnaire was developed and sent to the staff of the medical imaging department. The assessment focused on the radiation protection of personnel, radiation protection measures for patients, the delimitation and signage of zoning as well as the application of radiation protection principles. Results: Twenty-one people participated in the study, 90% of whom were men. The 30 - 39 age group was predominant with 61.90%. 33.33% of the staff knew the principles of radiation protection;86% of our sample knew the basic rules of radiation protection. The majority of the staff in the imaging department (61.90%) had a perfect knowledge of protective equipment. For 76% of our workforce, the limits of the radiation doses received are regulated in Mali. 76% of those surveyed have not taken any additional training in radiation protection. The doors are closed during the X-ray examination for 76.19% of the respondents and 95% of the staff put themselves behind the sealed screen during the examination. For 81% of the respondents, the design of the premises met radiation protection standards. 62% of practitioners have a dosimeter and 80% of them wear it during their shift. For 62% of our sample, the change of the dosimeter is quarterly. The systematic request for DDR (date of last menstrual period) in women and the adaptation of the delivered dose to the patient’s morphology was only carried out by 65% of practitioners. The majority of staff (81%) did not benefit from medical surveillance, while for 55% of respondents the level of radiation protection in the establishment was average. Conclusion: This study enabled us to highlight the shortcomings in terms of radiation protection within the imaging department of the CHU Kati. 展开更多
关键词 Radiation protection COMPLIANCE x-rays DOSIMETRY
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对抗微重力环境下肌肉骨骼废用性病变的压力服装研究进展
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作者 张倩 牛文鑫 +2 位作者 姜成华 高晶 王璐 《纺织学报》 EI CAS CSCD 北大核心 2023年第1期38-46,共9页
针对航天员在微重力环境下的肌肉骨骼去重力性适应问题,以人体生物力学与服装功效学为研究背景,介绍了对抗微重力环境的压力服装的研究现状,分析了空间站现用压力服装和文献报道中的原型服装的对抗机制和结构功效特点,总结并完善现有评... 针对航天员在微重力环境下的肌肉骨骼去重力性适应问题,以人体生物力学与服装功效学为研究背景,介绍了对抗微重力环境的压力服装的研究现状,分析了空间站现用压力服装和文献报道中的原型服装的对抗机制和结构功效特点,总结并完善现有评价方法。研究认为:该类压力服装存在重力加载量不足、性能测试单一的问题,应深入优化纺织成形工艺,探究服装力学性能与人体所需载荷的关系,结合多学科技术,全面评价服装加载功能性、穿着舒适性和人体生理适应性;研发持久稳定、透湿舒适的新型材料,提高评价方法的智能化和准确性以及将该航空压力服装技术转化为卧床患者康复措施是未来的发展方向。 展开更多
关键词 微重力 压力服装 肌肉骨骼 防护压力服 抗荷服 重力加载服 航天服
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Knowledge of radiation exposure associated with common trauma imaging modalities among orthopaedic surgeons,emergency medicine physicians,and general surgeons in the United States
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作者 Fady Y.Hijji Andrew D.Schneider +4 位作者 Matthew D.Thomas Joseph G.Lyons Daniel D.Bohl Jennifer L.Jerele Michael J.Prayson 《World Journal of Emergency Medicine》 SCIE CAS CSCD 2023年第4期294-301,共8页
BACKGROUND:Few contemporary studies have assessed physicians’knowledge of radiation exposure associated with common imaging studies,especially in trauma care.The purpose of this study was to assess the knowledge of p... BACKGROUND:Few contemporary studies have assessed physicians’knowledge of radiation exposure associated with common imaging studies,especially in trauma care.The purpose of this study was to assess the knowledge of physicians involved in caring for trauma patients regarding the effective radiation doses of musculoskeletal(MSK)imaging studies routinely utilized in the trauma setting.METHODS:An electronic survey was distributed to United States orthopaedic surgery,general surgery,and emergency medicine(EM)residency programs.Participants were asked to estimate the radiation dose for common imaging modalities of the pelvis,lumbar spine,and lower extremity,in terms of chest X-ray(CXR)equivalents.Physician estimates were compared to the true effective radiation doses.Additionally,participants were asked to report the frequency of discussing radiation risk with patients.RESULTS:A total of 218 physicians completed the survey;102(46.8%)were EM physicians,88(40.4%)wereorthopaedicsurgeons,and28(12.8%)weregeneralsurgeons.Physicians underestimated the effective radiation doses of nearly all imaging modalities,most notably for pelvic computed tomaography(CT)(median 50 CXR estimation vs.162 CXR actual)and lumbar CT(median 50 CXR estimation vs.638 CXR actual).There was no difference between physician specialties regarding estimation accuracy(P=0.133).Physicians who regularly discussed radiation risks with patients more accurately estimated radiation exposure(P=0.007).CONCLUSION:The knowledge among orthopaedic and general surgeons and EM physicians regarding the radiation exposure associated with common MSK trauma imaging is lacking.Further investigation with larger scale studies is warranted,and additional education in this area may improve care. 展开更多
关键词 Radiation dosage Radiation exposure Radiation protection x-ray Emergency department
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著作权法视野下我国服装设计的保护
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作者 杨双迪 《江苏工程职业技术学院学报》 2023年第1期102-107,共6页
我国服装设计的著作权保护存在时尚领域的“盗版悖论”和司法实践的保护困境。从服装设计的著作权属性辨析及作品类型认定、服装实物分类与作品认定之间的关系、根据图纸制作服装是否属于著作权法上的复制3方面看,不同的服装设计作品涉... 我国服装设计的著作权保护存在时尚领域的“盗版悖论”和司法实践的保护困境。从服装设计的著作权属性辨析及作品类型认定、服装实物分类与作品认定之间的关系、根据图纸制作服装是否属于著作权法上的复制3方面看,不同的服装设计作品涉及的各种成果对著作权法的适用情形不同,需区别对待。 展开更多
关键词 服装效果图 服装结构图 实用艺术作品 著作权保护 服装设计 作品类型
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通风温度对全身通风服热防护性能影响研究 被引量:12
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作者 李珩 邱义芬 +3 位作者 姜南 邹磊 彭华 蒋海滨 《航天医学与医学工程》 CAS CSCD 北大核心 2014年第3期205-209,共5页
目的研究通风温度对通风服装热防护性能的影响。方法通过分析"人体—全身通风服—环境"热系统传热传质过程,建立人体在通风条件下的热调节仿真模型,并且通过实验验证该分析模型的合理性。结果实验结果证实了模型的可靠性与准... 目的研究通风温度对通风服装热防护性能的影响。方法通过分析"人体—全身通风服—环境"热系统传热传质过程,建立人体在通风条件下的热调节仿真模型,并且通过实验验证该分析模型的合理性。结果实验结果证实了模型的可靠性与准确性。通风流量较小时,较高的通风温度使人体平均皮肤温度上升很快,人体出汗更明显,可以达到更好的通风散热效果;较大流量下,降低入口通风温度可以更明显的减轻人体热应激程度,但人体出汗程度减弱,降低了通风服装对人体的蒸发散热效果,且此时需要较大的通风冷源。结论在一定通风流量下,当通风服装主要依靠蒸发散热时,通风温度较低反而不利于人体的散热。通风温度应根据通风服的散热机制以及通风流量适当确定。 展开更多
关键词 通风服 热防护 防护性能 热应激 数值模拟
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防刺服装的开发与研究 被引量:20
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作者 王妮 赵玉梅 +1 位作者 俞建勇 程隆棣 《上海纺织科技》 北大核心 2005年第12期22-24,共3页
防刺服装属于个体装甲中的一类,随着近年来一些恐怖事件的发生,各类个体防护用品的开发和研究越来越受到人们的关注和重视。文章主要介绍了国际上常用的防刺服装的测试标准NIJ standard-0115.00和PSDB stab resistancestandard for body... 防刺服装属于个体装甲中的一类,随着近年来一些恐怖事件的发生,各类个体防护用品的开发和研究越来越受到人们的关注和重视。文章主要介绍了国际上常用的防刺服装的测试标准NIJ standard-0115.00和PSDB stab resistancestandard for body armour,并对其进行了比较。同时介绍了防刺服开发中应用的主要高性能纤维材料以及增强防刺性能的主要技术手段。 展开更多
关键词 服装 防护服 标准 高性能纤维 技术
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冷却服的冷却性能测试与分析 被引量:10
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作者 李利娜 钱晓明 范金土 《天津工业大学学报》 CAS 2008年第5期47-50,54,共5页
为了评价不同类型冷却服的冷却性能,采用可行走出汗暖体假人"华特"对3件不同类型的冷却背心进行冷却性能测试.3件冷却背心均不同程度地降低了暖体假人的皮肤温度,液态相变材料冷却背心使假人的皮肤温度下降最多,致冷时间最长... 为了评价不同类型冷却服的冷却性能,采用可行走出汗暖体假人"华特"对3件不同类型的冷却背心进行冷却性能测试.3件冷却背心均不同程度地降低了暖体假人的皮肤温度,液态相变材料冷却背心使假人的皮肤温度下降最多,致冷时间最长.而微胶囊相变材料冷却背心使假人的皮肤温度下降最少,致冷时间最短.液体冷却背心的致冷作用则介于二者之间.实验证明3种冷却背心均有明显的致冷效果,但是在穿着舒适性方面它们都存在一定的不足. 展开更多
关键词 冷却服 热防护 暖体假人 测试
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从欧美标准看我国工业防火类防护服标准的缺失 被引量:8
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作者 赵阳 田军 +3 位作者 董会君 滕金山 朱华 王瑜 《中国安全生产科学技术》 CAS 2007年第6期121-125,共5页
本文通过我国工业防火类防护服标准与欧美相关标准的比较,概括我国工业防护类防护服标准在标准构成以及标准中采用的性能参数、评价指标、检测方法等方面与欧美标准保障理念、技术水平、保障水平、检测水平之间差异、不足,提出我国工业... 本文通过我国工业防火类防护服标准与欧美相关标准的比较,概括我国工业防护类防护服标准在标准构成以及标准中采用的性能参数、评价指标、检测方法等方面与欧美标准保障理念、技术水平、保障水平、检测水平之间差异、不足,提出我国工业防护类防护服产品研发、检测技术与设备开发、标准制定的工作建议。 展开更多
关键词 欧美 标准体系 工业防火服
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基于熵权TOPSIS的服装企业节能环保评价模型 被引量:14
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作者 徐慧娟 杨以雄 《东华大学学报(自然科学版)》 CAS CSCD 北大核心 2010年第2期213-217,共5页
依据产业集群、政府或行业组织、企业、客户4个层面构建了服装企业节能环保的指标体系和基于熵权理论的TOPSIS(接近理想点法)评价模型.以此为基础,对温州藤桥服装产业集群中的相关服装企业进行案例分析,运用熵权法赋予服装企业节能环保... 依据产业集群、政府或行业组织、企业、客户4个层面构建了服装企业节能环保的指标体系和基于熵权理论的TOPSIS(接近理想点法)评价模型.以此为基础,对温州藤桥服装产业集群中的相关服装企业进行案例分析,运用熵权法赋予服装企业节能环保指标的权重,借助TOPSIS模型计算各服装企业与理想解、负理想解的距离,根据相对接近度由大到小对被调查企业进行环保节能排序,并分析相应结论. 展开更多
关键词 服装企业 产业集群 节能环保 熵权 TOPSIS 评价模型
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人体热反应模型及其在消防安全中的应用 被引量:3
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作者 韩雪峰 翁文国 范维澄 《消防科学与技术》 CAS 北大核心 2011年第3期238-242,共5页
在简要介绍人体热生理系统的基础上,描述国内外人体热反应模型的发展历程与研究现状。重点描述和比较Gagge模型、Fiala模型,以及最新的Salloum模型等。并分析与展望人体热反应模型的发展趋势和重点问题,提出我国进一步开展人体热反应模... 在简要介绍人体热生理系统的基础上,描述国内外人体热反应模型的发展历程与研究现状。重点描述和比较Gagge模型、Fiala模型,以及最新的Salloum模型等。并分析与展望人体热反应模型的发展趋势和重点问题,提出我国进一步开展人体热反应模型的关键问题,对人体热反应模型在消防科学研究中的应用以及消防防护设备研发等方面的应用提出建议。 展开更多
关键词 消防 人体热生理 体温调节 防护设备
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皮革服装的环保设计 被引量:5
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作者 王雪筠 申鸿 《皮革科学与工程》 CAS 2008年第2期77-79,共3页
环保成为当今最热门的主题,环保设计的介入使皮衣设计焕发新的活力。皮革服装的环保绿色设计有自身的特点与方法,并向着科技为先导、人本主义的设计方向发展,才能真正在做到环保设计,设计环保。
关键词 皮革 服装 环保 设计
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老年人髋关节保护服装研究现状和发展趋势 被引量:3
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作者 于晓坤 关娟娟 +1 位作者 罗洋 李毓陵 《丝绸》 CAS CSCD 北大核心 2020年第3期57-61,共5页
随着中国老年人的健康监护成为热点,髋关节保护开始受到关注,但目前关于髋关节保护服装开发研究还较少。为了确定开发过程中的关键问题,文章对有关髋关节保护研究的典型案例进行文献学习,分析了现有的髋关节保护产品、人体摔倒损伤机制... 随着中国老年人的健康监护成为热点,髋关节保护开始受到关注,但目前关于髋关节保护服装开发研究还较少。为了确定开发过程中的关键问题,文章对有关髋关节保护研究的典型案例进行文献学习,分析了现有的髋关节保护产品、人体摔倒损伤机制研究、抗冲击力研究方法三方面成果。提出髋关节抗冲击保护服装设计的一般模式,遵循以用户为中心的设计理念,运用功能服装的一般设计方法,引入抗冲击性能测试方法进行防护性能测试,整个设计过程中以确保防护性能为核心,提高依从性、美观性。 展开更多
关键词 老年人 髋关节 抗冲击保护 功能服装 用户为中心 产品依从性
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儿童交通安全服装的设计 被引量:4
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作者 沈雷 蒋学换 《上海纺织科技》 北大核心 2011年第7期44-45,共2页
从童装设计的角度对提高儿童交通安全性的措施进行了探究。在对安全性原因进行细致分析的基础上,对儿童过马路时的日常着装——帽子、上下装、书包3方面进行了分析设计。说明有针对性的儿童服装设计,特别是提高可视性能提高儿童道路安... 从童装设计的角度对提高儿童交通安全性的措施进行了探究。在对安全性原因进行细致分析的基础上,对儿童过马路时的日常着装——帽子、上下装、书包3方面进行了分析设计。说明有针对性的儿童服装设计,特别是提高可视性能提高儿童道路安全性。 展开更多
关键词 童装 防护服 童帽 书包 设计
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特种防护服的发展概况 被引量:7
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作者 姚晓林 《上海纺织科技》 北大核心 2003年第5期50-52,共3页
主要介绍了特种防护服的种类和对各种防护服目前的发展作了简要的介绍 ,并提出了防护服市场发展迫切需要解决的问题。
关键词 特种防护服 发展概况 市场前景 过冷防护服 防弹服 防机械伤害服 射线防护服 有害微粒防护服
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服装绿色性概念的建立及服装绿色浪潮对策的研究 被引量:5
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作者 陈建伟 王珏 +1 位作者 徐晓春 商蕾 《山东纺织科技》 2004年第3期46-49,共4页
分析了绿色服装研究的战略意义 ,提出并阐述了服装“绿色性”的概念。介绍了国内外绿色服装研究现状及发展动态 ,并指出服装工业面对绿色浪潮应采取的对策。
关键词 绿色服装 概念 环保 服装工业 绿色浪潮 应对策略 中国
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阻燃抗热防护服装材料及其检测手段的现状及发展趋势 被引量:8
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作者 李双会 朱华 《中国安全生产科学技术》 CAS 2006年第6期10-13,共4页
阻燃抗热防护服装在劳动保护领域起着重要的作用。本文分别详细介绍了阻燃抗热防护服装所经常使用的各种功能性纤维材料的性能及发展现状,以及针对非阻燃常规纺织纤维的阻燃改性技术和针对常规纤维纺织品的阻燃整理技术。文章同时介绍... 阻燃抗热防护服装在劳动保护领域起着重要的作用。本文分别详细介绍了阻燃抗热防护服装所经常使用的各种功能性纤维材料的性能及发展现状,以及针对非阻燃常规纺织纤维的阻燃改性技术和针对常规纤维纺织品的阻燃整理技术。文章同时介绍了现行国家标准中推荐的阻燃抗热防护服装的阻燃性能检测技术,对国际上先进的TPP检测系统和热人仪检测系统也作了简要的描述。本文对于了解阻燃抗热服装及其阻燃抗热性能检测技术的现状和发展具有一定的指导意义。 展开更多
关键词 防护服装 阻燃抗热性能 阻燃纤维 阻燃整理 TPP 热人仪
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