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US 4,978,347 AGranted
Distraction apparatus for osteosynthesis of short tubular bones
OwnerGavrill A. Ilizarovinventor
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OwnerGavrill A. Ilizarovinventor
Estimating the term…
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).
A distraction apparatus for osteosynthesis of short tubular bones, comprising a support unit (1) made as a cramp-shaped plate (3) provided with a plurality of perforations (4) and with two fixing pins (10) secured in between arms of the cramp-shaped plate, distraction units (2) comprising a pin holder (18) and at least two distraction pins (19) installed in said holder, and distraction threaded rods (15) whose proximal ends are connected to the support unit (1), characterized in that 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), while each of the distraction units (2) is located on one of the distraction rods (15) with a possibility of relative motion lengthwise its longitudinal axis, each of the distraction threaded rods (15) being situated 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.
Dependencies are inferred from the claim text.