نتایج جستجو برای: pullout box

تعداد نتایج: 87170  

Journal: :The American journal of sports medicine 2004
Thore Zantop Ann Katleen Eggers Andre Weimann Joachim Hassenpflug Wolf Petersen

BACKGROUND The newest generation of meniscus repair devices is designed to combine the benefits of the all-inside technique with the biomechanical properties of sutures. HYPOTHESIS New flexible all-inside suture anchors have better fixation strength than rigid anchors, but there is no difference when compared to conventional horizontal and vertical mattress sutures. STUDY DESIGN Controlled ...

2014
Yoshihiro Sakamoto Akira Kido Kazuya Inoue Goro Sakurai Tomohisa Hashiuchi Mitsuru Munemoto Yasuhito Tanaka

BACKGROUND In arthroscopic surgery, the suture anchor technique has become popular for rotator cuff repair. Preoperative evaluation of the bone microstructure is of utmost importance because, especially in elderly patients, osteoporotic changes may cause anchor pullout, which results in failure of rotator cuff repair. Many groups have reported humeral microstructural analysis; however, most stu...

Journal: :Language, speech, and hearing services in schools 2010
Frank M Cirrin Tracy L Schooling Nickola W Nelson Sylvia F Diehl Perry F Flynn Maureen Staskowski T Zoann Torrey Deborah F Adamczyk

PURPOSE The purpose of this investigation was to conduct an evidence-based systematic review (EBSR) of peer-reviewed articles from the last 30 years about the effect of different service delivery models on speech-language intervention outcomes for elementary school-age students. METHOD A computer search of electronic databases was conducted to identify studies that addressed any of 16 researc...

Journal: :Medical engineering & physics 2017
Vishal Gupta Pulak M Pandey Vadim V Silberschmidt

Bone drilling is one of the most common operations used to repair fractured parts of bones. During a bone drilling process, microcracks are generated on the inner surface of the drilled holes that can detrimentally affect osteosynthesis and healing. This study focuses on the investigation of microcracks and pullout strength of cortical-bone screws in drilled holes. It compares conventional surg...

Journal: :Orthopedics 2013
Afshin Arianjam William Camisa Jeremi M Leasure William H Montgomery

Various fixation techniques have been described for ruptured distal biceps tendons. The authors hypothesized that no significant differences would be found between the mean failure strength, maximum strength, and stiffness of the interference screw and hybrid technique. Fourteen fresh-frozen human cadaveric elbows were prepared. Specimens were randomized to either interference screw or hybrid c...

Journal: :Oral surgery, oral medicine, oral pathology and oral radiology 2012
Matheus Melo Pithon Matilde Gonçalves Nojima Lincoln Issamu Nojima

OBJECTIVE The objective of this study was to assess the primary stability of different orthodontic mini-implants inserted into different maxillary and mandibular regions of swine. MATERIAL AND METHODS One hundred eighty orthodontic mini-implants produced by 5 different manufacturers, all presenting several shapes, were divided into 5 groups: Mondeal (M), Neodent (N), SIN (S), INP, and Titaniu...

2014
Dhong Won Lee Jeong Ku Ha Jin Goo Kim

Damage to the medial meniscus root, for example by a complete radial tear, destroys the ability of the knee to withstand hoop strain, resulting in contact pressure increases and kinematic alterations. For these reasons, several techniques have been developed to repair the medial meniscus posterior root tear (MMPRT), many of which have shown complete healing of the repaired MMPRT. However, effor...

2017
Haolin Sun Chun Liu Huiling Liu Yanjie Bai Zheng Zhang Xuwen Li Chunde Li Huilin Yang Lei Yang

Polymethyl methacrylate (PMMA)-augmented cannulated pedicle-screw fixation has been routinely performed for the surgical treatment of lumbar degenerative diseases. Despite its satisfactory clinical outcomes and prevalence, problems and complications associated with high-strength, stiff, and nondegradable PMMA have largely hindered the long-term efficacy and safety of pedicle-screw fixation in o...

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