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1. WO1991000065 - MEDULLARY NAIL

Publication Number WO/1991/000065
Publication Date 10.01.1991
International Application No. PCT/EP1990/001076
International Filing Date 04.07.1990
IPC
A61B 17/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
A61B 17/72 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
72Intramedullary devices
CPC
A61B 17/7216
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
72Intramedullary ; pins, nails or other; devices
7216for bone lengthening or compression
A61B 17/7266
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
72Intramedullary ; pins, nails or other; devices
7233with special means of locking the nail to the bone
7258with laterally expanding parts, e.g. for gripping the bone
7266with fingers moving radially outwardly
A61B 2017/00539
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
00535pneumatically or hydraulically operated
00539hydraulically
A61B 2017/00544
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
17Surgical instruments, devices or methods, e.g. tourniquets
00535pneumatically or hydraulically operated
00544pneumatically
Applicants
  • BAUMGART, Rainer [DE/DE]; DE
  • BETZ, Augustin [DE/DE]; DE
Inventors
  • BAUMGART, Rainer; DE
  • BETZ, Augustin; DE
Agents
  • VON FÜNER, Alexander ; Mariahilfplatz 2 & 3 D-8000 München 90, DE
Priority Data
P 39 21 972.004.07.1989DE
Publication Language German (DE)
Filing Language German (DE)
Designated States
Title
(DE) MARKNAGEL
(EN) MEDULLARY NAIL
(FR) CLOU MEDULLAIRE
Abstract
(DE)
Der Marknagel (10) hat einen Hohlraum (12) in dem ein Innenteil (20) längsverschieblich und verdrehungssicher angeordnet ist. In der den Hohlraum (12) bildenden Wand (11) des Marknagels (10) ist auf deren gegenüberliegenden Seiten im Bereich des Eintreibendes (14) ein quer durchgehendes Langloch (16) vorgesehen. In dem Innenteil (20) ist wenigstens ein fluchtend zu dem Langloch (16) ausgerichtetes Fixierungsloch (22) ausgebildet. Wenn die Verbindungsbolzen in die im Abstand angeordneten Fixierungslöcher (15, 16 und 22) eingeschlagen sind und sich eine Osteotomie zwischen den Verbindungsbolzen (15, 22) befindet, können die Ränder der Osteotomie durch Längsverschieben des Innenteils voneinander weg bewegt werden, wobei sich der sich langsam erweiternde Zwischenraum zwischen den Rändern der Osteotomie mit Knochengewebe füllt.
(EN)
A medullary nail (10) has a cavity (12) in which an inner part (20) can slide longitudinally without being able to rotate. The wall (11) of the medullary nail (10) which forms the cavity (12) is traversed on opposite sides by an elongated hole (16) in the region of the driving-in end (14). At least one fastening hole (22) aligned flush with the elongated hole (16) is provided in the inner part (20). When the connecting screws are driven into the spaced fastening holes (15, 16, 22) and an osteotomy is located between the connecting screws (15, 22), the edges of the osteotomy are moved apart as the inner part slides longitudinally, and the slowly widening gap between the edges of the osteotomy becomes filled with bone tissue.
(FR)
Un clou médullaire (10) comporte une cavité (12) dans laquelle une partie intérieure (20) peut coulisser longitudinalement tout en étant solidaire en rotation. La paroi (11) du clou médullaire (10), laquelle forme la cavité (12), est traversée sur ses côtés opposés par un trou oblong (16) dans la région de l'extrémité d'enfoncement (14). Au moins un trou de fixation (22) aligné avec le trou oblong (16) est ménagé dans la partie intérieure (20). Lorsque les vis de connexion sont enfoncées dans des trous de fixation espacés (15, 16, 22) et qu'une ostéotomie se situe entre les vis de connexion (15, 22), les bords de l'ostéotomie s'écartent à mesure que la partie intérieure coulisse longitudinalement, et l'espace intermédiaire s'élargissant lentement entre les bords de l'ostéotomie se remplit de tissu osseux.
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