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Chinese Journal of Traumatology 2013年第6期16卷 355-360页

作者： Saurabh Jain Anti kumar Jain ish kumar Department of Orthopaedics Mahaveer HospitalIndore India Department of Orthopaedics UCMS and GTB HospitalDelhi India

ObjectiveDebate 关于跟骨的破裂的管理继续，在开的减小和内部固定和关上的治疗之间。因此，我们瞄准在与锁跟骨的 plate.MethodsIn 修理的跟骨的破裂的代替的联合消沉类型评估开的减小和内部固定的放射学、功能的结果这个系列， 28 ... 详细信息

ObjectiveDebate 关于跟骨的破裂的管理继续，在开的减小和内部固定和关上的治疗之间。因此，我们瞄准在与锁跟骨的 plate.MethodsIn 修理的跟骨的破裂的代替的联合消沉类型评估开的减小和内部固定的放射学、功能的结果这个系列， 28 个病人( 26 单方并且 2 双边)与跟骨的破裂的联合消沉类型，作为每 Essex-Lopresti ，分类系统与在 3 星期损害以内锁跟骨的板被操作。病人们以 anteroposterior 的联系损害和 X 光被评估， calcaneum 的侧面、轴的看法。CT 扫描被做估计粉碎和关节的消沉的数量。病人们被跟随在上面临床上并且放射学地至少为 1 年。放射学的评价被 Bohler’s 角度和 Gissane’s 角度与跟骨的高度和宽度的测量一起做。功能的结果用 14.5 个月的美国 Orthopaedics 英尺和脚关节社会( AOFAS ) scale.ResultsAt 一般水准后续被估计，平均 AOFAS 分数是 86.3 (范围 66～97 )，与86%有对好结果优秀并且 2 (7.7%)并且 1 (3.7%)分别地有公平、差的结果。所有病人让稳定的脚关节与所有有的背屈和脚底的屈曲连接超过 30 ° 。运动的平均 subtalar 范围是 17 ° 。吝啬的 Bohler’s 角度，吝啬的 Gissane’s 角度，跟骨的高度和宽度是 25.47 ° ， 121.3 ° ， 4.32 ；厘米和 3.81 ；厘米分别地在最后的后续。三个病人在切口地点有拍动坏死，一个人有表面、深的感染。Subtalar 关节炎在 5 个病人被看见，而在 1 个病人的小腿腹的神经 hypoaesthesia。任何一个都没病人有分隔空间症候群，脚跟垫问题，小腿侧的 tendinitis，反射同情的 dystropy 或与锁住植入 failure.ConclusionOpen 减小和内部固定跟骨的板给声音功能的结果，即解剖地恢复高度，宽度， Bohler’s 和 calcaneum 的 Gissiane’s 角度的重建，并且允许早动员。

关键词：骨折内固定踝关节跟骨锁定复位钢板移动平均交感神经

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水稻不同直链淀粉含量的遗传研究

杂交水稻 1990年第1期5卷 45-47页

作者： ish kumar G.S.Khush 戴魁根湖南农学院

本文采用单粒稻米作米质分析，研究了直链淀粉含量与亲本遗传特性，分析了微效基因、修饰基因对直链淀粉含量的影响，并讨论了育种的对策。

关键词：稻米直链淀粉含量遗传胚乳

Neglected reverse Essex-Lopresti injury with ulnar nerve compression

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Chinese Journal of Traumatology 2011年第2期14卷 111-113页

作者： Ajay Pal Singh ish kumar Dhammi Anil kumar Jain Department of Orthopaedics UCMS & GTB Hospita Delhi 110095 India

45 岁女人作为有光线的头脱臼和远侧的半径折断的 anteromedial 被诊断在她右前臂上的损害以后的五个月。光线的头脱臼导致了尺骨的神经压缩。她有她的肘运动的严重限制。她与 arthrolysis，尺骨的神经的解压缩和光线的头切除术被对待... 详细信息

45 岁女人作为有光线的头脱臼和远侧的半径折断的 anteromedial 被诊断在她右前臂上的损害以后的五个月。光线的头脱臼导致了尺骨的神经压缩。她有她的肘运动的严重限制。她与 arthrolysis，尺骨的神经的解压缩和光线的头切除术被对待。反向的艾塞克斯 Lopresti 损害和压缩尺骨的神经的光线的头脱臼没就我们的知识而言在英语语言文学被报导。机制为损害被建议。在尖锐演讲，桡尺骨的关节应该被做并且忽视的两个的恢复如此的损害的自然导致非最优的结果。

关键词：尺神经损伤反向受压桡骨伤害性远端关节

Posttraumatic progressive cubitus varus deformity managed by lateral column shortening： A novel surgical technique

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Chinese Journal of Traumatology 2016年第4期19卷 229-230页

作者： Amit Srivastava Anil kumar Jain ish kumar Dhammi Rehan UI Haq Department of Orthopaedics University College of Medical Sciences and Guru Teg Bahadur Hospital Delhi 110095 India

有转动的前臂的肘的外面的作成角是肘脉内翻足畸形。这畸形经常在 5-8 年的儿科学的年龄组被看作肱骨的 malunited supracondylar 骨折的 sequelae。畸形通常是非进步的，但是在在肱骨的中间的髁的 physeal 损害或先天的多骨的酒吧形成... 详细信息

有转动的前臂的肘的外面的作成角是肘脉内翻足畸形。这畸形经常在 5-8 年的儿科学的年龄组被看作肱骨的 malunited supracondylar 骨折的 sequelae。畸形通常是非进步的，但是在在肱骨的中间的髁的 physeal 损害或先天的多骨的酒吧形成的情况下，畸形是进步的并且能在外观可笑。截骨术的各种各样的类型为标准非进步的肘脉内翻足畸形被定义，当多重手术为进步畸形被要求直到骨胳的成熟时。在这研究，我们在有可笑的进步肘脉内翻足畸形的 5 岁男孩描述了远侧的肱骨的一条新奇外科的途径和截骨术，完成好外科的结果。

关键词：肘脉内翻足外科肘

Neglected isolated fracture of the trochlea humeri

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Chinese Journal of Traumatology 2010年第4期13卷 247-249页

作者： Ajay Pal Singh ish kumar Dhammi Anil kumar Jain Saurabh Jain Department of Orthopaedics Guru Teg Bahadur Hospital University College of Medical Sciences University of Delhi Delhi 110095 India

Abstract：A 15 years old girl was found to have isolated trochlea fracture 10 weeks after an injury caused by a fall on her left elbow. Movement of the elbow was severely restricted. Radiographs showed a half moon-shaped and anterosuperiorly displaced osteochondral fragment. Medial approach capsulotomy of the elbow and excision of the intraarticular adhesions were done to expose the isolated trochlea fracture. Headless screws were used for fixation,combined with bone grafting. The follow-up showed union and excellent functional recovery of the elbow. Isolated trochlea fracture in adults is rare and usually associated with capitellar fractures and/or elbow dislocations. A neglected trochlea fracture is rarely reported in the English language literature to the best of our knowledge. Recognition of isolated trochlea fracture is vital to apprehend the pathomechanics of the injury and to devise a suitable treatment approach。

关键词：骨折固定术滑车孤立肱骨肘关节 X线片骨移植左手

Monteggia fracture dislocation equivalents analysis of eighteen cases treated by open reduction and internal fixation

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Chinese Journal of Traumatology 2011年第4期14卷 221-226页

作者： Ajay Pal Singh ish kumar Dhammi Anil kumar Jain Rajeev Raman Prashant Modi Punjab Civil Medical Services-I Mukerian Punjab India Department of Orthopaedics UCMS & GTB HospitalDelhi 110095 India

Abstract：Objective: Monteggia fracture dislocation equivalent, though already described by Bado, is still an unclassified entity. We aimed to retrospectively analyze 18 cases of Monteggia variants and discuss the injury mechanisms, management, and outcome along with a re view of the literature. Methods: A retrospective record of Monteggia fracture dislocation (2003-2008) was reviewed from medical record department of our institute. Classic Monteggia fracture dislocation, children below 12 years or adults over 50 years, as well as open grade Ⅱ & Ⅲ cases were excluded from this study. Monteggia variant inclusion criteria included fracture of the proximal ulna together with a fracture of the radial head or neck and skeletal maturity. Totally 26 patients were identified with Monteggia variants and 18 were available for follow-up, including 11 males and 7 females with the mean age of 35 years. The ulna fracture was treated by compression plating along with tension band wiring. Radial head/neck was reconstructed in 12 patients while excised in 6 patients. Results: Follow-up ranged from 1 -4 years, mean 2.6 years. Patients were assessed clinicoradiologically. Mayo Elbow Performance Score was employed to assess the outcomes. At final follow-up, the results were excellent in 10 patients, good in 4, fair in 2 and poor in 2. Mean range of motion of the elbow was 20°, 116°, 50° and 55° for extension, flexion, pronation and supination, respectively. Two patients had complications in the form of heterotopic ossification and stiffness of the elbow. One nonunion ulna, primarily treated by tension band wiring, was managed by refixation with locking reconstruction plate and bone grafting. Bone grafting was only required in this patient for nonunion. Another patient had implants removed on his request. The results in our series closely correlated with extent of intraarticular damage, coronoid fracture and comminuted fractures. Conclusions: Monteggia fracture dislocation equivalents are rare injuries and pre-surgery recognition by r

关键词：粉碎性骨折固定治疗等值复位平均年龄关节损伤损伤机制发育成熟

Elbow dislocation with ipsilateral diaphyseal fractures of radius and ulna in an adult is it type 1 or type 2 Monteggia equivalent lesion？

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Chinese Journal of Traumatology 2012年第5期15卷 303-305页

作者： Prashant Modi ish kumar Dhammi Ashish Rustagi Anil K Jain Department of Orthopaedics UCMS and GTB HospitalDilshad GardenDelhiIndia

Abstract：Elbow dislocation with concomitant diaphyseal fractures of radius and ulna has been reported rarely.This injury could be included in Monteggia equivalent lesions based on the mechanism of injury,radiographic pattern and method of treatment as described by Bado.We report a rare case of Monteggia equivalent lesion in an adult with unclear mechanism of injury.The possible mechanism of injury,its management and the follow-up results were described.An attempt to solve the controversy regarding whether labeling it as type 1 or type 2 was made。

关键词：尺桡骨肘关节病变 2型成人骨折损伤机制燕鸥

Outcome of surgical treatment of type IV capitellum frac- tures in adults

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Chinese Journal of Traumatology 2012年第4期15卷 201-205页

作者： Ajay Pal Singh ish kumar Dhammi Vipul Garg Arun Pal Singh Punjab Civil Medical Services-I Mukerian PunjabIn-dia Department of Orthopaedics UCMS&GTB HospitalDelhiIndia Swami Pramanand Hospital MukerianPunjabIndia

Abstract：Objective:Fractures of the capitellum and trochlea constitute less than 1％ of all elbow fractures and a shear fracture involving the capitellum and extending medially into most of the trochlea is rarely reported.Type IV capitellum fracture is still controversial in regard to its radiographic appearance,surgical approach and osteosynthesis.We report 10 cases of type IV capitellum fracture with a view to elucidating its clinical features and treatment outcome.Methods:We treated 10 patients of type IV capitellum fracture with a mean age of 32 years.A uniform surgical approach and postoperative rehabilitation were followed.Results:Nine patients presented to us after a mean of 4 days of injury and one patient was nonunion after 6 months of injury who had been treated conservatively by a bone setter.Double arc sign was absent in 6 cases.Intraoperatively 6 capitellotrochlear fragments were devoid of soft tissue attachments.By Mayo Elbow Performance Score evaluation,7 patients got excellent,2 good and l fair results.One patient with associated elbow dislocation developed heterotopic ossification.There was no case of avascular necrosis,osteoarthrosis or fixation failures.Conclusions:Type IV capitellum fractures are rare and belong to complex articular injuries.A good functional outcome can only be achieved with open reduction and stable internal fixation followed by early mobilization.Preoperative radiographic assessment and computed tomography help surgeons in choosing the right surgical approach and implants.Good surgical technique and stable internal fixation are the keys to early mobilization and good functional outcome。

关键词： 2型糖尿病手术治疗肱骨计算机断层扫描成人压裂手术方法平均年龄

Nonunion of coronal shear fracture of femoral condyle

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Chinese Journal of Traumatology 2011年第3期14卷 143-146页

作者： Ajay Pal Singh ish kumar Dhammi Raju Vaishya Anil kumar Jain Arun Pal Singh Prashant Modi Punjab Civil Medical Services Mukerian Punjab India Department of Orthopedics UCMS & GTB Hospital Delhi India Department of Orthopedics and Traumatology Indraprastha Apollo Hospital Delhi India S.P.N. Hospital Mukerian Punjab India

大腿骨的髁的孤立的花冠破裂在成年人是稀罕的并且 Hoffa 骨折不属于工会被报导仅仅在文学的一些时间。我们分析了六个案例在三年的一个时期上的 Hoffa 破裂不属于工会。三个病人保存地被对待，三个病人有固定失败。表示的延期是到一年... 详细信息

大腿骨的髁的孤立的花冠破裂在成年人是稀罕的并且 Hoffa 骨折不属于工会被报导仅仅在文学的一些时间。我们分析了六个案例在三年的一个时期上的 Hoffa 破裂不属于工会。三个病人保存地被对待，三个病人有固定失败。表示的延期是到一年的 2 个月。治疗协议与膝 arthrolysis 一起由开的减小， pseudoarthrosis 的切除，骨头 grafting 和内部固定组成了。联合在平均数 16 星期在所有病人被完成。治疗 Hoffa 破裂不属于工会要求小心的外科手术前的计划和过细的外科的技术。关于在破裂管理和外科的技术的争吵的文学被考察。

关键词：不愈合骨折股骨剪切保守治疗膝关节内固定技术

Effect of cooling media on bead geometry,microstructure,and mechanical properties of wire arc additive manufactured IN718 alloy

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Advances in Manufacturing 2024年第1期12卷 124-149页

作者： Parveen kumar Satish kumar Sharma Ratnesh kumar Raj Singh Department of Mechanical Engineering Thapar Institute of Engineering and TechnologyPatialaPunjab147004India

This work aims to present and explore thermal management techniques for the wire arc additive manufacturing(WAAM)of IN718 components.Excessive heat can be mitigated via air or water cooling.In this study,the material was deposited under four different heat-input conditions with air or water cooling.In air cooling,the layer is deposited in a normal atmospheric air environment,whereas with water cooling,the material is deposited inside a water tank by varying the water level.To validate the air and water cooling thermal management techniques,IN718 single-pass and multilayer linear walls were deposited using the bidirectional gas metal arc welding based WAAM setup under four different heat input conditions.During the deposition of single layers,the temperature profiles were recorded,and the geometric and microstructural features were explored.For multilayer wall structures,the mechanical properties(hardness,tensile strength,and elongation)were determined and assessed using the corresponding microstructural features explored through scanning electron microscopy(SEM),energy dispersive spectroscopy(EDS),and electron backscatter diffraction(EBSD)analyses.The microstructure observed through SEM analysis in the building direction was found to be nonhomogenous compared with that in the deposition direction.Moreover,water cooling was found to govern bead characteristics,such as wall width and height.The grain size and anisotropy of the mechanical properties also decreased in the water-cooled case.Hence,water cooling is an economical and efficient method to mitigate excessive heat accumulation in WAAM-deposited IN718.

关键词： Air cooling Water cooling IN718 Bead characteristics Microstructure Electron backscatter diffraction(EBSD)