| 摘要 |
<p>A pullback system which draws a catheter in a blood vessel according to the present invention, includes a rotation elasticity transmission part which is rotated in one direction by an external force, stores elasticity, and is rotated in another direction by the stored elasticity, a rack part which includes a grip unit which detachably fixes the catheter and straightly moves by receiving the rotation of the rotation elasticity transmission part in another direction, and an rotation elasticity resistance part which is rotated in one direction by the straight motion of the rack part to store elasticity and resists the straight motion of the rack part.</p> |
