Orthopedic measurement device and methodology to quantitatively

Details Orthopedic measurement device and methodology to quantitatively Orthopedic measurement device and methodology to quantitatively

1991-04-16

1992-10-27

Hindenburg, Max

Surgery

Truss

Pad

33514, 433 69, 433 72, 73380, A61B 5103

Patent

active

051580969

ABSTRACT:
Simultaneous measurement of a border position of a mandible joint opening and the "end-feel" force required to achieve the border position are effectuated through a single apparatus which applies a force to the upper and lower jaw of a patient and continuously measures the degree of opening of the jaw as the mandible joint opens. When a predetermined amount of force is achieved as measured by either a detected degree of spring compression within the device or release of a detent mechanism, the force is automatically or manually withdrawn leaving an indicator showing the maximum jaw opening. Simultaneous border position and "end-feel" force can also be measured in alternative embodiment through reverse scissors and a mechanical dial and slider for continuously measuring the degree of opening while an electrical transducer measures the force applied until the "end-feel" force has been achieved as digitally read out.

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