磁锚定肺结节定位装置的研制

磁锚定肺结节定位装置由靶磁体、锚定磁体、同轴穿刺针和穿刺导航模板组成,衍生出新型肺小结节准确定位技术。该装置通过在CT引导下将靶磁体置入肺结节旁的肺组织中,借由两靶磁体的相互吸引,靶磁体在肺内得以固定于肺组织内,避免肺内移动,术前精准定位目标肺结节。在胸腔镜手术中,通过锚定磁体与靶磁体的相互吸引,达到定位目标结节的目的,该装置利用磁性材料非接触性吸力的特点,借助生物医学工程技术,省去了以往与定位标志物直接交互及反复触摸结节部位的手术步骤,实现肺结节精准定位和快速手术去除的目的。

Development of Magnetic Anchoring Lung Nodule Positioning Device

The magnetic anchoring lung nodule positioning device is composed of a target magnet,an anchor magnet,a coaxial puncture needle and a puncture navigation template,through these,a new type of accurate positioning technology for small pulmonary nodules is derived.The device inserts the target magnet into the both sides nearby the lung nodule under the guidance of CT.Helped by the mutual attraction of the two target magnets,they can be fixed in the lung tissue,avoiding the movement in the lung,and accurately positioning the target lung nodule before surgery.In thoracoscopic surgery,the anchor magnet and the target magnet attract each other to achieve the purpose of positioning the target nodule.The device uses the characteristics of non-contact suction of magnetic materials biomedical engineering technology,eliminating the previous procedure of direct interaction with the positioning marks,finally achieves the target of precise positioning of lung nodules and rapid surgical removal.