Distraction apparatus for osteosynthesis of short tubular bones
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United States of America Patent
Stats
-
Dec 18, 1990
Grant Date -
N/A
app pub date -
Mar 20, 1990
filing date -
Jul 26, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a distraction apparatus for osteosynthesis of short tubular bones, including a support unit (1) made as a cramp-shaped plate (3) having a plurality of perforations (4), two fixing pins (10) being secured between the arms of the cramp-shaped plate (3); distraction units (2) incorporating a pin holder (18) and at least two distraction pins (19) installed therein, a distraction threaded rods (15) whose proximal ends are connected to the support unit (1), according to the invention, the fixing pins (10) of the support unit (1) are arranged parallel to each other and lie in a plane square with the planes of the cramp-shaped plate (3), and each of the distraction units (2) is installed on one distraction rod (15) with a possibility of relative motion along its longitudinal axis, while each of the distraction threaded rods (15) is located on the cramp-shaped plate (3) with a possibility of angular motion and the distraction pins (19) of each distraction unit (2) are cantileverly fixed in the pin holder (18).
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