| 摘要 |
FIELD: veterinary science. ^ SUBSTANCE: device to grind lactic stones during their removal from animal udder teats comprises a catheter tube, a movable circular cap with a manual displacement drive. The device is equipped with an accessory for fixation and grinding of lactic stones, representing a hollow cylinder being a handle, rigidly connected at the end by the catheter tube, by the manual displacement drive of the movable cap, joined by means of traction rods to the guides made on the movable washer and arranged in longitudinal slots of the cylinder. There are channels provided for traction rods in the catheter tube wall. Inside there is a thorn in the cap centre. ^ EFFECT: possibility of efficient grinding and removal of lactic stones from a cistern of animal udder teat. ^ 5 cl, 4 dwg |
