影像导航辅助定位穿刺系统在微创介入治疗中的应用

影像导航辅助定位穿刺系统是近年来发展的一项具有广阔应用前景的治疗新技术,它融合了影像与导航定位技术,通过影像显示实时动态导引手术器械对病灶进行操作,大大优化了微创介入治疗过程.影像导引方式主要包括超声、CT、MRI导引等,导航定位技术可根据不同原理分为机械定位、光学定位和电磁定位.不同影像引导方式和导航定位技术各有优劣.影像导航辅助定位穿刺系统目前已广泛应用于肿瘤穿刺活检、局部消融治疗、放射性粒子植入治疗等微创介入治疗领域,取得了良好效果,但仍存在一些不足.本文就该技术在微创介入治疗中的应用作一简要综述.

Clinical application of image-navigation-assisted positioning and puncturing system in minimally-invasive interventional therapy

Image-navigation-assisted positioning and puncturing system is a newly-developed treatment technology in recent years,which carries broad application prospects.It combines image and navigation technology together.Guided by the dynamic real-time imaging the operator can precisely manipulate the surgical instruments to operate on the target lesion,in this way the minimally-invasive interventional therapy can be greatly optimized.The image-guided methods mainly include ultrasound,CT,MR,etc.Based on the principles of different positioning methods,the navigation and positioning technology can be classified into mechanical positioning,optical positioning and electromagnetic positioning.Each image guidance and navigation technology has its own advantages and disadvantages.At present,image-navigation-assisted positioning and puncturing system has already been widely used in various minimally-invasive interventional therapies,such as tumor biopsy,local ablation therapy,radioactive seed implantation,etc.,and satisfactory clinical results have been achieved although in clinical practice they still have some shortcomings.In this paper,the application of this technique in minimally-invasive interventional therapy is briefly reviewed.