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Does Surgical Technique Matter? A Retrospective Analysis of Five-Year Outcomes After Arthroscopic vs. Open Femoroacetabular Impingement Syndrome Correction. [PDF]
Orthop Rev (Pavia)Ghafarian A +4 more
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On the modification of cam-type profiles
Mechanism and Machine Theory, 1986Abstract Cam-type motions are increasingly being used in many dynamical systems to move loads with smooth starts and stops. In the area of high-speed cam design itself, the control of residual vibrations is important. In both these instances cam-type profiles must be judiciously selected or altered.
K.C Gupta, J.L Wiederrich
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Design of cam-type transfer unit assisted with conjugate cam and torque control cam
Mechanism and Machine Theory, 2009This paper presents design solutions for cam-type transfer unit in which feeding, lifting, and clamping motions are generated by cams. In order to achieve faster transfer motion, each designed cam must satisfy given specifications such as velocity, acceleration, jerk, pressure angle, cam thickness, and torque.
Lee, TM Lee, Taik-Min +3 more
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Cam-Type Femoroacetabular Impingement
Operative Techniques in Sports Medicine, 2012Cam-type femoroacetabular impingement is an anatomic hip condition that can lead to labral pathology, hip pain and arthritis. Hip arthroscopy can be a successful intervention used to address this condition. Arthroscopic techniques continue to evolve and allow for a reproducible and effective algorithm for addressing this condition.
Jonathan J. Streit +2 more
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6th International Power Transmission and Gearing Conference: Advancing Power Transmission Into the 21st Century, 1992
Abstract This paper describes a globoidal-cam type gearing with roller-wheel composed of two lines of roller followers to obtain a no-backlash reduction gearing. A principal advantage of this system is the reduction of backlash of the gearing by holding the cam’s rib with the roller followers of each line.
Tetusya Oizumi, Takashi Emura
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Abstract This paper describes a globoidal-cam type gearing with roller-wheel composed of two lines of roller followers to obtain a no-backlash reduction gearing. A principal advantage of this system is the reduction of backlash of the gearing by holding the cam’s rib with the roller followers of each line.
Tetusya Oizumi, Takashi Emura
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The pelvifemoral rhythm in cam-type femoroacetabular impingement
Clinical Biomechanics, 2014There is growing evidence that femoroacetabular impingement is a potentially important risk factor for the development of early idiopathic osteoarthritis in the nondysplastic hip. Understanding of affected joint kinematics is a basic prerequisite in the evaluation of mechanical disorders in a clinical and research oriented setting.
J, Van Houcke +5 more
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The Cam-Type Deformity—What Is It
Journal of Pediatric Orthopaedics, 2013Cam-type deformity of the proximal femur is a risk factor for the development of cam-type femoroacetabular impingement and a prearthrotic condition of the hip. The etiology of cam-type deformity remains unclear. There are a number of causes of cam-type deformity including sequellae of slipped capital femoral epiphysis, Legg-Calvé-Perthes disease or ...
Siebenrock, Klaus-Arno +1 more
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Hip Arthroscopy for Cam-type Femoroacetabular Impingement
Operative Techniques in Orthopaedics, 2020Cam deformity represents a common cause of femoroacetabular impingement (FAI) syndrome, a disorder that can result in irreversible damage to the labrum and articular cartilage and accelerate hip degeneration. Workup must include a thorough evaluation with physical exam, radiographs, MRI, and 3D CT imaging to appropriately characterize impingement and ...
Robert W. Westermann, Elizabeth J. Scott
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The prevalence of cam-type femoroacetabular deformity in asymptomatic adults
The Journal of Bone and Joint Surgery. British volume, 2011We performed a retrospective examination of the anteroposterior pelvic CT scout views of 419 randomly selected patients between April 2004 and August 2009 in order to determine the prevalence of cam-type femoroacetabular deformity in the asymptomatic population. The CT scans had all been undertaken for conditions unrelated to disorders of the hip.
K A, Jung +5 more
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