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Locking compression plate as a sequential external fixator following the distraction phase for the treatment of tibial bone defects caused by fracture-related infection: experiences from 22 cases.
BMC Musculoskelet Disord
December 2024
Department of Trauma and Microreconstructive Surgery, The First Affiliated Hospital of Xinjiang Medical University, Urumqi, Xinjiang, 830054, China.
Background: The purpose of this study was to report the clinical and psychological outcomes of using a locking compression plate (LCP) as a sequential external fixator following the distraction phase in the treatment of tibial bone defects caused by fracture-related infection (FRI).
Methods: We retrospectively analyzed the clinical records and consecutive X-ray images of patients with tibial bone defects who were treated with an LCP as a sequential external fixator following the distraction phase, between June 2017 and December 2022. The ASAMI criteria were applied to assess the bone and functional outcomes, and postoperative complications were evaluated by using the Paley classification.
Design and mechanical properties analysis of drill pipe's joint thread with unequal taper under complex loads.
Sci Rep
December 2024
School of Mechanical Engineering, Yangtze University, Jingzhou, 434023, China.
The design of drill pipe joint thread with unequal taper is proposed to investigate the fracture failure of the API NC38 used in the drill pipe joint of the SU36-8-4H2 well. The effect of changes in thread taper on the stress distribution and mechanical properties of drill pipe joints is analyzed and compared with the API standard thread to determine the optimal thread structure with unequal taper. The results reveal highly concentrated stress at the last engaged thread root of API NC38 single-shoulder thread (SUT) may cause early yield failure of the joint threads.
View Article and Find Full Text PDFMechanical characteristics and design parameter analysis of spherical hinge structure for swivel bridge.
Sci Rep
December 2024
School of mines, China University of Mining and Technology, Xuzhou, 221000, China.
As the core component of a swivel bridge, the spherical hinge structure exhibits complex mechanical behavior under high pressure, making it challenging to describe accurately through theoretical analysis or on-site monitoring. In this context, this paper systematically examined the mechanical characteristics and key design parameters of a simplified spherical hinge structure using numerical simulations and formula derivation. Additionally, an indoor scaled test was conducted based on a representative spherical hinge structure to further investigate its mechanical properties.
View Article and Find Full Text PDFSafety and Effectiveness of Ultrasound-Guided Percutaneous Versus Open Brachial Artery Access: Results of the Multicenter Prospective ARCHIBAL Study Percutaneous or Open Brachial Artery Access.
Ann Vasc Surg
November 2024
Département de Chirurgie Vasculaire, Clinique Générale, Groupe Vivalto, Annecy, France.
Background: Although brachial access (BA) has become increasingly used in percutaneous endovascular procedures, results from head-to-head comparisons between open brachial access (OBA) and ultrasound-guided percutaneous brachial access (PBA) are limited in the literature. The objective of our multicenter, prospective, noninterventional ARCHIv BrachiAL study was to compare the safety and efficacy of OBA and PBA to perform peripheral arterial interventions.
Methods: From July 2019 to January 2021, all patients needing peripheral endovascular procedures with brachial artery access were consecutively included in the study by 15 surgeons in 14 centers.
Ilizarov method combined with accordion technique for treating long bone defects in the lower limbs: a systematic review.
J Orthop Surg Res
November 2024
Department of Orthopedics, Affiliated Hospital of Southwest Medical University, Lu Zhou, 646000, People's Republic of China.
Article Synopsis
- The Ilizarov method is a key technique for treating bone defects and nonunion, often enhanced by additional methods like the accordion maneuver, but there's limited research on its combined use for long bones in the lower limbs.
- This study aims to systematically review the effectiveness of combining the Ilizarov method with the accordion technique specifically for treating deficiencies in long bones of the lower limbs, following PRISMA guidelines.
- Analyzing data from eight studies involving 80 patients, the review assessed bone healing rates, functional outcomes, and complications, finding that 24% of patients had femoral defects.
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