Steinmann pin


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pin

 [pin]
a slender, elongated piece of metal used for securing fixation of parts.
Steinmann pin a metal rod for the internal fixation of fractures; see also nail extension.

Stein·mann pin

(shtīn'mahn),
a pin that is used to transfix bone for traction or fixation.

Steinmann pin

A fine surgical nail passed through the lower end of the FEMUR or the upper end of the TIBIA and held under tension in a steel stirrup so that TRACTION can be applied in the treatment of fractures. (Fritz Steinmann, 1872–1932, Swiss surgeon).

Steinmann,

Fritz, Swiss surgeon, 1872-1932.
Steinmann calibrated pin
Steinmann extension
Steinmann fixation pin
Steinmann holder
Steinmann nail
Steinmann pin - used to transfix bone for traction or fixation.
Steinmann pin chuck
Steinmann pin fixation
Steinmann pin with ball bearing
Steinmann pin with Crowe pilot point
Steinmann pin with pin chuck
Steinmann test
Steinmann traction
Steinmann tractor
References in periodicals archive ?
A sheet of thermoplastic material (Veterinary Thermoplastic; IMEX) 280-mm long (twice the distance from the Steinmann pin to the distal fixation pin) by 40-mm wide and 2.4-min thick was immersed in water close to boiling for 30-40 seconds.
All 4 constructs failed by breakage of the acrylic connecting bar at the junction of the bar and the fixation pin closest to the bent Steinmann pin. The data from these 4 constructs were not included in the statistical analysis.
The 4 models that failed did so at the same point, that is, the junction between the acrylic connecting bar and the fixation pin closest to the bent Steinmann pin. The reason for this is not known, but it can be speculated that, because the Steinmann pin and the proximal fixation pin are located very close to each other, a very rigid section is created in the connecting bar, followed by a more flexible segment.
This deviation was attributed to the motion of the fixation pin in contact with the Steinmann pin trocar.
The lack of a significant difference in bending in the safe load was probably because of the relatively large Steinmann pin opposing the majority of the bending forces and minimizing the effect of the other components of the fixator.
The fixation pin and Steinmann pin diameters were 21.2% of the external diameter and 43.8% of the internal diameter of the bone at this level, respectively.
(10) In the present study, the 2.8-mm (0.109-in) Steinmann pin filled 43.8% of the medullary cavity at the midshaft; however, the midshaft is not the narrowest point of the avian humeral medullary cavity, and measurements at the narrowest point were unfortunately not taken.
Negative-threaded pins could have been used, but in this case smooth Steinmann pins were chosen because less trauma would arise in placement and removal.
This suggested that reinforcing the transcortically placed Steinmann pins with acrylic material is adequate for smaller sized ruminants but do not provide rigid fixation for angularly placed tibia in adult cows.