Results 51 to 60 of about 28,334 (217)

Placement of Thoracic Pedicle Screws [PDF]

JBJS Essential Surgical Techniques, 2016
Thoracic pedicle screws have become the spinal anchor of choice because of the superior biomechanics of this technique. It is widely used for the treatment of scoliosis, spinal deformity (such as kyphosis), trauma, tumors, infection, and other pathologies.
David W, Polly, Alexandra K, Yaszemski, Kristen E, Jones   +2 more
openaire   +2 more sources

The Impact of Aging on the Anatomical Course of the Azygos Vein: A Retrospective, Computed Tomography Study

Clinical Anatomy, EarlyView.
ABSTRACT The azygos vein (AV) is typically described as ascending vertically to the right of the vertebral column before arching anteriorly to drain into the superior vena cava. However, a small number of studies suggest that it is found leftward in older adults.
Lauren R. Hector, Hania Paverd, Arthikkaa Thavakumar, Cecilia Brassett, Timothy J. Sadler   +4 more
wiley   +1 more source

Single‐Side Iatrogenic Pedicle Injury May Trigger an Increased Risk of Contralateral Screw Loosening: An In Silico Study

JOR Spine
Background Screw loosening is a frequently reported complication following pedicle screw fixation, resulting in various adverse outcomes. The primary trigger for screw loosening is biomechanical deterioration.
Jiexiang Yang, Junjie Chen, Guoyou Wang, Lijunpeng Jia, Yingguang Zhou, Jingchi Li   +5 more
doaj   +1 more source

ALT Rescue Flap With Iliac Crest Bone Graft and Spanning Plate for Mandibular ORN

The Laryngoscope, EarlyView.
In select patients with focal full‐thickness mandibular ORN defects, the use of ALTFL in conjunction with ICBG and a spanning reconstructive plate appears to offer clinical and radiographic arrest of ORN. This technique has considerably lower morbidity than osteocutaneous reconstruction, with abbreviated hospital stays, a low complication rate, and no ...
Derek J. Vos, Sara W. Liu, Peter J. Ciolek, Brandon L. Prendes, Michael A. Fritz   +4 more
wiley   +1 more source

First Clinical Experience with a Novel 3D C-Arm-Based System for Navigated Percutaneous Thoracolumbar Pedicle Screw Placement

Medicina, 2022
Background and Objectives: Navigated pedicle screw placement is becoming increasingly popular, as it has been shown to reduce the rate of screw misplacement.
Eric Mandelka, Jula Gierse, Paul A. Gruetzner, Jochen Franke, Sven Y. Vetter   +4 more
doaj   +1 more source

Stereotactic guidance for navigated percutaneous sacroiliac joint fusion. [PDF]

, 2015
Arthrodesis of the sacroiliac joint (SIJ) for surgical treatment of SIJ dysfunction has regained interest among spine specialists. Current techniques described in the literature most often utilize intraoperative fluoroscopy to aid in implant placement ...
Kim, Kee D, Kim, Sung-Bum, Lee, Darrin J, Panchal, Ripul R, Rosenthal, Philip   +4 more
core   +1 more source

Transoral Minimal Access Mandibular Reconstruction Using Fibula Free Flap in Osteoradionecrosis

The Laryngoscope, EarlyView.
We conducted a retrospective review of 9 patients with mandibular ORN at our institution who underwent a limited transoral approach for segmental mandibulectomy reconstruction with fibula free flap and minimal access vessel isolation and anastomoses.
Derek J. Vos, Emily Zhang, Neil N. Patel, Sara W. Liu, Peter J. Ciolek, Brandon L. Prendes, Eric D. Lamarre, Michael A. Fritz   +7 more
wiley   +1 more source

Effect of Insertional Direction of Pedicle Screw on Screw Loosening: A Biomechanical Study on Synthetic Bone Vertebra under a Physiology‐like Load

Orthopaedic Surgery
Objectives It is now understood that pedicle screw loosening at the implant‐bone interface can lead to poor screw–bone interface purchase and decreased fixation stability. Previous biomechanical tests used cadaveric vertebrae and pull‐out or torque loads
Xuqiang Zhan, Feng Gao, Yangyang Yang, Tsung‐Yuan Tsai, Zongmiao Wan, Yan Yu   +5 more
doaj   +1 more source

Posterior cervical spine arthrodesis with laminar screws: a report of two cases [PDF]

, 2007
We performed fixation using laminar screws in 2 patients in whom lateral mass screws, pedicle screws or transarticular screws could not be inserted. One was a 56-year-old woman who had anterior atlantoaxial subluxation (AAS).
Nakanishi, Kazuo, Ozaki, Toshifumi, Sugimoto, Yoshihisa, Tanaka, Masato   +3 more
core   +1 more source

Strategic positioning and accelerating regulatory clearance for new ventures

Strategic Management Journal, EarlyView.
Abstract Research Summary How do new ventures strategically position their products to accelerate regulatory clearance? We investigate this question in the medical device industry, where regulatory clearance is a prerequisite for market entry. We examine 239 new firms' 510(k) device clearances by the FDA between 2001 and 2019.
Emily Cox Pahnke, Tiona Zuzul, Michael Howard   +2 more
wiley   +1 more source