| 摘要 |
An applicator device for controllably injecting a surgical cement into bones, particularly in percutaneous vertebroplasty, comprising an elongated body with an inner axial cavity, a guiding block having an inner thread closing a first end of the axial cavity, a rotatable spin having a central outer thread portion and a distal end emerging from the axial cavity through the guiding block, the spin being axially movable within the axial cavity when being rotated, a syringe holder compartment for tightly holding a syringe body within an axial space being in axial continuation of the axial cavity, the syringe holding compartment comprising a hollow body being releasably fastened by fastening means within at least an end portion of said axial cavity, and at least a first axial rib outwardly protruding from the hollow body, the first axial rib fitting within a complementary first axial slot in said end portion of the axial cavity.
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