| 摘要 |
FIELD: medicine. ^ SUBSTANCE: invention relates to medicine, namely to traumatology and orthopedics, can be used for determination of relative density of bone tissue. Osteopenetromer contains shank-support with placed in it indenter and anvil. Anvil is fixed to the end of shank body, where mechanism of firing-pin cocking and triggering is placed, its other end ends with back plate, into which measuring lever-gear head with a sliding foot is fixed. Mechanism of firing-pin cocking and triggering contains trigger, made with possibility of travel by means of rollers in guiding grooves and connected with sear, provided with spring and resting on trigger prop. Trigger prop is provided with regulator of compressing force, made in form of plate from spring steel, connected with slider, resting on support surface of groove in shank body case. Support surface of groove has toothed shape for fixation of slider in three positions. ^ EFFECT: application of invention ensures measurement of value of indenter shock impact. ^ 1 dwg |
