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1. (WO1996006576) OSTEOSYNTHESIS INSTRUMENT
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/1996/006576 International Application No.: PCT/FR1995/001115
Publication Date: 07.03.1996 International Filing Date: 24.08.1995
IPC:
A61B 17/70 (2006.01) ,A61B 17/86 (2006.01) ,A61B 19/00 (2006.01) ,A61F 2/00 (2006.01) ,A61F 2/30 (2006.01)
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
70
Spinal positioners or stabilisers
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
17
Surgical instruments, devices or methods, e.g. tourniquets
56
Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
58
for osteosynthesis, e.g. bone plates, screws or the like
68
Internal fixation devices
84
Fasteners therefor
86
Pins or screws
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
B
DIAGNOSIS; SURGERY; IDENTIFICATION
19
Instruments, implements or accessories for surgery or diagnosis not covered by any of the groups A61B1/-A61B18/149
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2
Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
A HUMAN NECESSITIES
61
MEDICAL OR VETERINARY SCIENCE; HYGIENE
F
FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
2
Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
02
Prostheses implantable into the body
30
Joints
Applicants:
GOURNAY, José [FR/FR]; FR (UsOnly)
PETIT, Dominique [FR/FR]; FR (UsOnly)
SAURAT, Jean [FR/FR]; FR (UsOnly)
SOCIETE DE FABRICATION DE MATERIEL ORTHOPEDIQUE - SOFAMOR [FR/FR]; 13, rue de la Perdrix F-93290 Tremblay-en-France, FR (AllExceptUS)
Inventors:
GOURNAY, José; FR
PETIT, Dominique; FR
SAURAT, Jean; FR
Agent:
MARTIN, Jean-Paul; Cabinet Lavoix 2, place d'Estienne d'Orves F-75441 Paris Cédex 09, FR
Priority Data:
94/1037729.08.1994FR
Title (EN) OSTEOSYNTHESIS INSTRUMENT
(FR) INSTRUMENTATION D'OSTEOSYNTHESE
Abstract:
(EN) Locking plug (1) consisting of two coaxial parts (2, 3) separated by a break start line, mutually coaxial recesses (2, 3) being formed within each part. The first part (1) enables the second part (3) having a thread (5) to be screwed into an implant where it remains fixed after the two parts are separated at line (4), after a predetermined rupture torque is exceeded. Advantageously, the recess (7) in the second part (3) provides for subsequent release, if required, so that the instrument can be removed. A clamping action is obtainable with great precision, in accordance with the requirements of the manufacturer, since the rupture torque can be adjusted to a specified value by precise machining of the break start line (4).
(FR) Le bouchon (1) est constitué de deux parties coaxiales (2, 3) séparées d'une ligne d'amorce de rupture, en chaque partie est ménagée une empreinte respective (6, 7) coaxiale à l'autre empreinte, la première partie (1) permettant le vissage de la seconde partie (3), pourvue d'un filetage (5), dans un implant auquel elle doit rester fixée après rupture des deux parties à la ligne (4), lorsqu'un couple de rupture prédéterminé est dépassé. L'empreinte (7) de la seconde partie (3) permet d'assurer un desserrage ultérieur si nécessaire, pour démonter l'instrumentation, ce qui constitue un avantage essentiel de ce bouchon. De plus, le serrage peut être obtenu avec une grande précision, conformément aux souhaits du fabricant, car le couple de rupture peut être ajusté à la valeur prévue en usinant de manière précise la ligne (4) d'amorce de rupture.
Designated States: AU, CA, CN, JP, KR, US
European Patent Office (EPO) (AT, BE, CH, DE, DK, ES, FR, GB, GR, IE, IT, LU, MC, NL, PT, SE)
Publication Language: French (FR)
Filing Language: French (FR)