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    • 1. 发明申请
    • MEDICAL IMAGING DEVICE FOR PROVIDING AN IMAGE REPRESENTATION SUPPORTING THE ACCURATE POSITIONING OF AN INVENTION DEVICE IN VESSEL INTERVENTION PROCEDURES
    • 用于提供图像表示的医学成像装置,其支持本发明的精确定位装置在血管干预程序中
    • WO2012107857A1
    • 2012-08-16
    • PCT/IB2012/050441
    • 2012-01-31
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FLORENT, RaoulCATHIER, Pascal, Yves, FrançoisNEMPONT, Olivier, Pierre
    • FLORENT, RaoulCATHIER, Pascal, Yves, FrançoisNEMPONT, Olivier, Pierre
    • A61B6/12G06T7/00A61B19/00
    • A61B5/0033A61B6/12A61B6/4441A61B6/481A61B6/487A61B6/488A61B6/504A61B6/5229A61B2017/00778A61B2090/364A61B2090/376G06T7/30G06T2207/10121G06T2207/20221G06T2207/30021G06T2207/30101
    • A medical imaging device and a method for providing an image representation supporting inaccurate positioning of an intervention device in a vessel intervention procedure is proposed. Therein, an anatomy representation (AR) of a vessel region of interest and at least one angiogram X-ray image (RA) and a live fluoroscopy X-ray image (LI) are acquired. The following steps are performed when a radio-opaque device is fixedly arranged within the vessel region of interest: (a) registering the anatomy representation to the at least one angiogram X-ray image in order to provide an anatomy-angiogram-registration (R1); (b) processing (DP) the at least one angiogram X-ray image and the at least one live fluoroscopy X-ray image in order to identify in each of the X-ray images the radio-opaque device; (c) registering (R2) the at least one angiogram X-ray image to the at least one live fluoroscopy X- ray image based on the identified radio-opaque device in order to provide an angiogram- fluoroscopy-registration; and (d) combining the anatomy-angiogram-registration and the angiogram-fluoroscopy-registration in order to provide an anatomy-fluoroscopy-registration (GTC; RALC). Finally, an image representation resulting from the anatomy-fluoroscopy- registration showing an overlay of live images with the anatomy representation may be output thereby helping a surgeon to accurately position for example a synthetic aortic valve within an aortic root of a heart.
    • 提出了一种医疗成像装置和用于在血管干预程序中提供支持干预装置的不准确定位的图像表示的方法。 其中,获取血管区域的解剖学表示(AR)和至少一个血管造影X射线图像(RA)和活体荧光透视X射线图像(LI)。 当无线电不透明设备固定地布置在感兴趣的血管区域内时,执行以下步骤:(a)将解剖学表现注册到至少一个血管造影X射线图像,以便提供解剖血管造影记录(R1 ); (b)处理(DP)所述至少一个血管造影X射线图像和所述至少一个活体荧光透视X射线图像,以便在每个所述X射线图像中识别所述不透射线装置; (c)基于所识别的不透射线装置将至少一个血管造影X射线图像记录(R2)到所述至少一个活透视X射线图像,以便提供血管造影荧光透视注册; 和(d)结合解剖 - 血管造影照片和血管造影 - 荧光透视注册,以便提供解剖 - 透视注册(GTC; RALC)。 最后,可以输出从解剖学 - 透视检查 - 对准显示由现场图像与解剖学表示的重叠的图像表示,从而帮助外科医生精确地将合成的主动脉瓣置于心脏的主动脉根部内。
    • 4. 发明申请
    • VISUALIZATION FOR NAVIGATION GUIDANCE
    • 可视化导航指导
    • WO2012117321A1
    • 2012-09-07
    • PCT/IB2012/050855
    • 2012-02-24
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.CATHIER, Pascal, Yves, FrançoisFLORENT, Raoul
    • CATHIER, Pascal, Yves, FrançoisFLORENT, Raoul
    • G06T7/00G06T7/20A61B6/00
    • G06T7/0012A61B6/032A61B6/12A61B6/4441A61B6/487A61B6/503A61B6/5247A61B6/5264A61B6/5288G06T7/246G06T7/30G06T2207/10072G06T2207/10121G06T2207/30021G06T2207/30048G06T2207/30101
    • The present invention relates to visualizing information of an object. In order to provide spatial information and in addition situation specific data to the user while ensuring an effective perceptibility, a method (110) is provided comprising the steps of: a) providing (112) pre-navigation data (114) of a region of interest of an object (22); wherein the pre-navigation data comprises spatial geometrical data (116) and a functional parameter surface (118) in correspondence to the spatial geometrical data; b) acquiring (120) live image data (122) of the region of interest; c) detecting (124) an element (126) in the live image data; d) determining (128) spatial relation (130) of the pre-navigation data and the live image data; e) determining (132) the position (134) of the detected element in the spatial geometrical data, which determining is based on the spatial relation, and computing (136) a predetermined related point of location (138) on the functional parameter surface; f) generating (140) a combination (142) of a simplified surface representation (144) of the region of interest, which simplified surface representation is based on a visualization of the functional parameter surface, and a marker (146) indicating the computed predetermined related point of location; and g) displaying (148) the combination as navigation guidance (150).
    • 本发明涉及可视化对象的信息。 为了在确保有效的可感知性的同时向用户提供空间信息和附加情况特定数据,提供了一种方法(110),包括以下步骤:a)提供(112)前导数据(114) 物体(22)的兴趣; 其中所述预导数据包括对应于所述空间几何数据的空间几何数据(116)和功能参数表面(118); b)获取(120)感兴趣区域的实时图像数据(122); c)在实况图像数据中检测(124)元素(126); d)确定前导数据和实况图像数据的(128)空间关系(130); e)确定(132)在空间几何数据中检测到的元素的位置(134),其基于空间关系进行确定,并且计算(136)功能参数表面上的预定相关位置点(138); f)产生(140)所述感兴趣区域的简化表面表示(144)的组合(142),所述简化表面表示基于所述功能参数表面的可视化,以及指示所计算的预定 相关点位置; 以及g)将所述组合显示(148)作为导航指导(150)。