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1. WO2020201584 - A BONE REDUCTION AND FIXATION PLATE

Publication Number WO/2020/201584
Publication Date 08.10.2020
International Application No. PCT/EP2020/059817
International Filing Date 06.04.2020
IPC
A61B 17/80 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws or the like
68Internal fixation devices
80Cortical plates
CPC
A61B 17/8061
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws, ; setting implements; or the like
68Internal fixation devices ; , including fasteners and spinal fixators, even if a part thereof projects from the skin
80Cortical plates ; , i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
8061specially adapted for particular bones
A61B 17/8076
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
56Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58for osteosynthesis, e.g. bone plates, screws, ; setting implements; or the like
68Internal fixation devices ; , including fasteners and spinal fixators, even if a part thereof projects from the skin
80Cortical plates ; , i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
8061specially adapted for particular bones
8076for the ribs or the sternum
Applicants
  • NEPHIN VENTURES LIMITED [IE]/[IE]
Inventors
  • O'DONNELL, Turlough
  • LAING, Alan
Agents
  • PURDY, Hugh Barry
Priority Data
1904862.805.04.2019GB
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A BONE REDUCTION AND FIXATION PLATE
(FR) PLAQUE DE RÉDUCTION ET DE FIXATION OSSEUSE
Abstract
(EN)
A bone reduction and fixation device (1, 70) comprises an elongated biplanar plate along most of its length having an L-shaped profile defined by a first plate surface (3A, 4A) and one or more second plates (3B, 4B), in which the first and second plates comprise a plurality of countersunk holes (8) configured for receipt of bone-fixing screws (10). The biplanar plate comprises two biplanar L-shaped end sections (3, 4) defined by end parts of the first plate and second end plates, and a monoplanar central section (2) defined by a central part of the first plate, in which the central part of the first plate has a thickness greater than the end parts. The L-shaped end sections help guide bone fragments into correct alignment and hold the alignment while the surgeon adjusts one of or both of the fragments laterally and medially to reduce the fragments. The L-shaped profile of the plate also provides for greater bending and torsional stiffness, allowing the plate to have a reduced thickness.
(FR)
Cette invention concerne un dispositif de réduction et de fixation osseuse (1, 70) comprenant une plaque allongée à deux plans le long de la majeure partie de sa longueur ayant un profil en forme de L défini par une première surface de plaque (3A, 4A) et une ou plusieurs secondes plaques (3B, 4B), les première et seconde plaques comprenant une pluralité de trous fraisés (8) conçus pour recevoir des vis de fixation osseuse (10). La plaque à deux plans comprend deux sections d'extrémité en forme de L à deux plans (3, 4) définies par des parties d'extrémité de la première et de seconde plaque d'extrémité, et une section centrale à un seul plan (2) définie par une partie centrale de la première plaque, la partie centrale de la première plaque ayant une épaisseur supérieure à celle des parties d'extrémité. Les sections d'extrémité en forme de L aident à guider des fragments osseux en alignement correct et à maintenir l'alignement pendant que le chirurgien ajuste l'un ou l'autre des fragments dans un sens latéral et médial pour réduire les fragments. Le profil en forme de L de la plaque assure de plus une rigidité supérieure en flexion et en torsion, permettant à la plaque d'avoir une épaisseur réduite.
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