Surgery – Instruments – Orthopedic instrumentation
Reexamination Certificate
1999-02-23
2001-01-23
Buiz, Michael (Department: 3731)
Surgery
Instruments
Orthopedic instrumentation
C433S140000
Reexamination Certificate
active
06176859
ABSTRACT:
BACKGROUND OF THE INVENTION
The present invention relates to a pulling apparatus for correcting a jaw on a skull for instance in order to eliminate a supraclusion, cross bite or cleft palate, a basic member being provided with elements for attachment to the jaw and being movable in the direction of correction.
Such a pulling apparatus is known from German Patent Publication 195 38 323, which corresponds to U.S. Pat. No. 5,885,289. It is the object of the present invention to improve said pulling apparatus and make it more variable.
SUMMARY OF THE INVENTION
This object can be achieved due to the fact that the basic member can also be moved in a direction deviating from the correcting direction.
It has been found that the setting of the correcting direction is of great importance. The correcting direction should, in this connection, not only be established at the beginning of the treatment, but it should also be variable over the course of the treatment and it should be possible to adapt it to changing conditions. This is only possible if the basic member can also be moved in a direction deviating from the correcting direction, as is the case in accordance with the present invention. This means that the basic member and thus the direction of pull can be adapted to changing conditions. This is the basic concept of the present invention and constitutes a substantial advantage.
How this mobility of the basic member in a direction differing from the correcting direction can be achieved is of secondary importance as compared with this basic inventive concept, but a preferred embodiment will be described below:
REFERENCES:
patent: 2587245 (1952-02-01), Terre
patent: 3927664 (1975-12-01), Georgiade et al.
patent: 4232660 (1980-11-01), Coles
patent: 5540687 (1996-07-01), Fairley et al.
patent: 5885283 (1999-03-01), Gittleman
patent: 5885289 (1999-03-01), Muller
patent: 19538323 (1997-04-01), None
Bachman & LaPointe P.C.
Buiz Michael
Goldberg Jonathan D.
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