get five boys were climbing a hill. jitesh was following hitesh. ramesh was just ahead of gaurav. kartik was between gaurav & hitesh with gaurav ahead of him. they were climbing up in a column. who was third from the top? from screen.
quadrilateral plate fracture: Topics by Science.gov
[Progress on treatment and research of quadrilateral plate fractures of acetabular].
Peng, Ye; Zhang, Li-hai; Tang, Pei-fu
Acetabular is an important human joint for weight bearing. Quadrilateral plate is a crucial structure of medial acetabulum with special morphology and important function. Quadrilateral plate fractures are common fracture in acetabulum. Quadrilateral plate fracture is hard to expose and reduction because it is in the medial of acetabulum. At the same time,the bone in the quadrilateral plate is not easy to fixed for thinning bones and adjacent to the articular cavity. The operator should know well about the anatomy and choose the suitable internal fixation. After quadrilateral plate fractures, the femur head maybe displace medially even break into pelvis. That make reduction and treatment always be a challenge. With different kinds of fractures,the efficacy of treatment is not the same. This paper intend to review the relation of anatomic features,approaches, internal fixations, key point of treatment and efficacy.
A Novel Fixation System for Acetabular Quadrilateral Plate Fracture: A Comparative Biomechanical Study
Zha, Guo-Chun; Sun, Jun-Ying; Dong, Sheng-Jie; Zhang, Wen; Luo, Zong-Ping
This study aims to assess the biomechanical properties of a novel fixation system (named AFRIF) and to compare it with other five different fixation techniques for quadrilateral plate fractures. This in vitro biomechanical experiment has shown that the multidirectional titanium fixation (MTF) and pelvic brim long screws fixation (PBSF) provided the strongest fixation for quadrilateral plate fracture; the better biomechanical performance of the AFRIF compared with the T-shaped plate fixation (TPF), L-shaped plate fixation (LPF), and H-shaped plate fixation (HPF); AFRIF gives reasonable stability of treatment for quadrilateral plate fracture and may offer a better solution for comminuted quadrilateral plate fractures or free floating medial wall fracture and be reliable in preventing protrusion of femoral head. PMID:25802849
Secure Screw Placement in Management of Acetabular Fractures Using the Suprapectineal Quadrilateral Buttress Plate.
Egli, R J; Keel, M J B; Cullmann, J L; Bastian, J D
Acetabular fractures involving predominantly the anterior column associated with a disruption of the quadrilateral surface can be treated with instrumentation implementing the stabilization of the quadrilateral surface. The recently introduced suprapectineal quadrilateral buttress plate is specifically designed to prevent secondary medial subluxation of the femoral head, especially in elderly patients with reduced ability for partial weight bearing. Whereas there are guidelines available for safe screw fixation for the anterior and posterior columns, there might be a concern for intra-articular placement of screws placed through the infrapectineal part of the quadrilateral buttress plate. Within this report we analyzed retrospectively screw placement in 30 plates in postoperative CT scans using algorithms for metal artifact reduction. None of the screws of the buttress plate penetrated the hip joint. We describe the placement, length, and spatial orientation of the screws used for fracture fixation and suggest that the use of intraoperative image intensifiers with a combined inlet-obturator view of 30-45Â° best projects the screws and the hip joint. Preoperative knowledge of approximate screw placement and information for accurate intraoperative imaging may contribute to safe acetabular fracture fixation and may reduce operating time and limit radiation exposure to the patient and the personnel. This trial is registered with KEK-BE: 266/2014.
[BIOMECHANICAL COMPARATIVE STUDY ON FOUR INTERNAL FIXATIONS FOR ACETABULAR FRACTURES IN QUADRILATERAL AREA].
Wang, Lei; Wu, Xiaobo; Qi, Wei; Wang, Yongbin; He, Quanjie; Xu, Fengsong; Liu, Hongyang
To compare the biomechanical difference of 4 kinds of internal fixations for acetabular fracture in quadrilateral area. The transverse fracture models were created in 16 hemipelves specimens from 8 adult males, and were randomly divided into 4 groups according to different internal fixation methods (n = 4): infrapectineal buttress reconstruction plate (group A), infrapectineal buttress locking reconstruction plate (group B), reconstruction plate combined with trans-plate quadrilateral screws (group C), and anterior reconstruction plate-lag screw (group D). Then the horizontal displacement, longitudinal displacement of fractures, and axial stiffness were measured and counted to compare the stability after continuous vertical loading. Under the same loading, the horizontal and longitudinal displacements of groups A, B, C, and D were decreased gradually; when the loading reached 1 800 N, the longitudinal displacement of group A was more than 3.00 mm, indicating the failure criterion, while the axial stiffness increased gradually. Under 200 N loading, there was no significant difference (P > 0.05) in horizontal displacement, longitudinal displacement, and axial stiffness among 4 groups. When the loading reached 600-1 800 N, significant differences were found in horizontal displacement, longitudinal displacement, and axial stiffness among 4 groups (P < 0.05) except the horizontal displacement between groups C and D (P > 0.05). For acetabular fracture in the quadrilateral area, anterior reconstruction plate-lag screw for internal fixation has highest stability, followed by reconstruction plate combined with trans-plate quadrilateral screws, and they are better than infrapectineal buttress reconstruction plate and infrapectineal buttress locking reconstruction plate.
StanChart’s Dhiraj Poddar Set To Join TA Associates
StanChart’s Dhiraj Poddar Set To Join TA Associates
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StanChart’s Dhiraj Poddar Set To Join TA Associates
By Boby Kurian 16 July, 2010SHARE
US-based private equity major TA Associates is stepping up its play in India with a senior level appointment. Dhiraj Poddar, a director at Standard Chartered Private Equity, is quitting to join TA Associates' India team. Sources say that Poddar will be joining the PE giant's Mumbai office as a director and may join by middle of next month.
TA Associates, which opened its India office last year, currently has one director and two associates located in Mumbai. The India office is currently headed by Naveen Wadhera, a director, who has been with the PE firm for nearly a decade.
Earlier this year, the PE firm invested $45 million in domestic handset maker Micromax Informatics Ltd. It has also invested in companies like Idea Cellular Ltd and GlobeOp Financial Services, a specialist BPO company. TA Associates last year closed its new $4-billion fund, TA XI, L.P. TA has raised more than $15 billion since 1995 and has offices in Boston, Menlo Park and London.
Poddar was not reachable for comments. An email sent to TA Associates did not elicit a response at the time of publication of this article.
Poddar was with the private equity arm of Standard Chartered since 2005. He has worked on investments across the BPO, financial services, auto components and the travel space. Prior to joining SCPE, he worked with Progeon, the ITES arm of Infosys, as part of the team that set up the KPO division. The IIM-Ahmedabad graduate has also served a stint with ICICI Securities.
Several Indian private equity professionals have in the last one year decided to start their own fund. Over a dozen fund managers may be on the road now for their own funds, increasing the market competition. As overseas private equity firms start opening India shops, there has been an increase in lateral-level people movement.
Amitabh Chakraborty, former president of equity at Religare Securities, joined as MD & chief investment officer of Kitara Capital. Rajiv Shukla, a director of investments at ICICI Venture, recently left to join Morgan Stanley's hedge fund Frontpoint. Last year, ICICI Venture's Shweta Jalan left to joint Advent International as India head. Some other recent top level moves include Mahesh Chhabria, a partner British PE major 3i Group Plc in India, who joined Actis.
With infrastructure asset class in demand, several firms have also roped in deal makers in this space to launch new funds. ICICI Venture hired Manikkan Sangameswaran, former chief of Babcock & Brown Infrastructure's India unit, to head its infrastructure business. Enam hired Ernst & Young's national director for infrastructure Jayesh Desai to launch a fund.
Private equity real estate has also seen some moves recently as deals start to pick up. Avnish Singh, former India head of GE Capital Real Estate, joined Tishman Speyer as head of acquisitions for the country. US-based Starwood Capital appointed Sundaram Rajagopal, former country head for Lehman Brothers' Real Estate Partners, as managing director.
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