| 摘要 |
The present invention relates to a dynamometric tool for medical use with a longitudinal axis AA comprising: a hollow grip (10) including an interior wall having a succession of recesses (29) oriented along the axis AA and the section of which is egg-shaped, an instrument holder (30) to be secured in rotation with an instrument configured to cooperate with an object to be screwed, said instrument holder being extended by a shaft (18) with an axis AA pivoting inside the grip. The instrument holder (30) is frictionally connected to said grip using a plurality of elastic members (2) arranged between said shaft (18) and said grip (10), each elastic member (2) comprising a plurality of blades (4) arranged primarily along non-radial directions and elastically deformable along an essentially radial direction, the ends of the blades forming skids designed to cooperate with said recesses (29) of said interior wall. According to the invention, said elastic members (2) are mounted idle on the shaft (4) and have play between the shaft (18) and said elastic members (2), on one hand, and between said elastic members (2) and said interior wall, on the other hand.
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