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The intramedullary headless compression screw (IMCS) technique represents a reliable alternative to percutaneous Kirschner-wire and plate fixation with minimal complications.Transverse fractures of the metacarpal shaft represent a good indication for this technique. Non-comminuted subcapital and short oblique fractures can also be treated with IMCS.This technique should not be used in the presence of an open epiphysis, infection and, most of all, in subchondral fractures, because of the lack of purchase for the head of the screw.A double screw construct is recommended for comminuted subcapital fractures of the metacarpal to avoid metacarpal shortening. IMCS can even be applied for peri-articular fractures of the proximal third of the phalanx and in some multi-fragmentary proximal and middle phalangeal fractures.Usually the intramedullary screws are not removed. The main indications for screw removal are joint protrusion, infection and screw breakage after new fracture. Cite this article: 2020;5:624-629. DOI: 10.1302/2058-5241.5.190068.
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http://dx.doi.org/10.1302/2058-5241.5.190068 | DOI Listing |
ACS Appl Mater Interfaces
September 2025
School of Materials Science and Engineering, Beihang University, Beijing 100191, P. R. China.
Nanostructured cubic boron nitride (NS-cBN) has attracted significant attention due to its high hardness and excellent thermal stability, yet a systematic strategy to balance strength and toughness through atomically structural design remains elusive. Here, we integrate plasticity theory with large-scale atomistic simulations to elucidate the size-dependent roles of internal defects, i.e.
View Article and Find Full Text PDFFront Pediatr
August 2025
Department of Orthopedics, The Second Hospital of Jilin University, Changchun, China.
Purpose: Femoral neck fractures are clinically rare and are associated with a high risk of complications in children. Traditional internal fixation implants such as Kirschner wires and partial-thread cannulated screws (PTCS) have complications such as screw withdrawal and internal fixation failure. To address this problem, in this study we investigated the effectiveness of headless cannulated compression screws (HCCS) in the treatment of femoral neck fractures in children patients.
View Article and Find Full Text PDFUnfallchirurgie (Heidelb)
September 2025
Klinik für Orthopädie und Unfallchirurgie, Klinikum Nürnberg, Paracelsus Medizinische Privatuniversität, Breslauer Straße 201, 90471, Nürnberg, Deutschland.
Forearm shaft fractures are the most common fractures of the upper extremity in young adults. By definition, these fractures are diaphyseal fractures; however, due to the complex functional unity formed by the forearm shaft during motion both bone forearm fractures are treated as intra-articular fractures [1, 3]. This is why the gold standard of treatment in adults is osteosynthesis.
View Article and Find Full Text PDFInt Symp Med Robot
May 2025
Department of Mechanical Engineering, Johns Hopkins University, Baltimore, MD, USA.
Vertebral compression fractures are estimated to affect over 200 million people globally. Percutaneous vertebroplasty is a widely accepted minimally invasive treatment, but it has limitations including prolonged radiation exposure for providers and a steep learning curve. To address these challenges, we present two cannula-mounted robot designs for semi-autonomous, high-precision cannula insertion.
View Article and Find Full Text PDFJ Clin Orthop Trauma
November 2025
Musculoskeletal Imaging, Department of Radiodiagnosis, Hamilton General Hospital, McMaster University, Ontario, Canada.
A neurological deficit (ND) is one of the dreaded complications of spinal deformity. While most are associated with the corrective procedure itself, neurological deficits can also be present preoperatively. Postoperatively, these deficits can manifest either immediately as a perioperative new-onset neuro deficit (PNND) or emerge later as a delayed-onset postoperative neuro deficit (DPND).
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