| 摘要 |
<p>A device for guiding a puncture needle used in CT (computerized tomography) comprises a guide section 11 having an insertion hole 12 for an introducer 5 and the puncture needle 6, a pole brace 17 having a leg 18 and standing erect in parallel to the guide section 11, and a beam 23 for connecting the guide section 11 with the pole brace 17 wherein the pole brace 17 or the leg 18 has a function for changing its length along the axial direction thereof, the beam 23 for connecting both the guide section 11 and the pole brace 17 with each other is prepared from a moldable plastic material which allows X-rays to pass through the same in case of radiation into an integrally molded article, the guide section 11 is provided with an openable holding section 13 or a detachable holding section 14 being in parallel to the insertion hole 12 in order that the guiding device can be removed from the introducer 5 and the puncture needle 6 which have been inserted in the insertion hole 12, and further the guide section 11 is provided with a metallic thin sheet 16 or a thin wire which indicates a position of such metallic thin sheet or thin wire in an image when radiation is made, thereby to provide the device for guiding a puncture needle which has a simple structure and small number of parts, in which a space sufficient for performing manipulation of a puncturing operation with a needle can be assured, which is easily attached to a subject or a patient by an examiner or an operator, by which an exact puncturing operation can be made with respect to a target site, and further which can be removed from a subject's body surface with leaving the puncture needle as it is after having punctured a target site with the needle.</p> |
