CN112384137A - 基于造影图像获取静息态下血管评定参数的方法及装置 - Google Patents
基于造影图像获取静息态下血管评定参数的方法及装置 Download PDFInfo
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Abstract
一种基于造影图像获取静息态下血管评定参数的方法及装置。该基于造影图像获取静息态下血管评定参数的方法包括:获取静息态下,冠状动脉入口的实时压力Pa,得到时域下的Pa‑t压力波形(S100);对造影态下冠状动脉二维造影图像中感兴趣的血管段进行三维建模,得到三维血管网格模型(S200);获取三维血管网格模型的实时血流速度v,得到v‑t速度波形(S300);换算得到静息态下的v静‑t速度波形;通过傅里叶变换和傅里叶逆变换,获取时域下的冠脉入口到冠脉狭窄远端的ΔP静‑t压力降波形;获取静息态下冠状动脉血管评定参数。该方法和装置实现了舒张期冠状动脉血管评定参数的测量;再通过傅里叶变换对干扰数据进行过滤,提高了冠状动脉血管评定参数测量的准确度。
Description
PCT国内申请,说明书已公开。
Claims (15)
- PCT国内申请,权利要求书已公开。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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CN201811344074.1A CN111166316B (zh) | 2018-11-13 | 2018-11-13 | 基于造影图像计算造影瞬时无波型比率和造影舒张期压力比率的方法 |
CN201811344060X | 2018-11-13 | ||
CN2018113442817 | 2018-11-13 | ||
CN201811344281.7A CN111166317B (zh) | 2018-11-13 | 2018-11-13 | 基于造影图像计算造影血流储备分数和静息态压力比值的方法 |
CN2018113440741 | 2018-11-13 | ||
CN201811344060.XA CN111166315B (zh) | 2018-11-13 | 2018-11-13 | 基于造影图像计算瞬时无波型比率和静息态舒张期压力比率的方法 |
PCT/CN2019/118058 WO2020098705A1 (zh) | 2018-11-13 | 2019-11-13 | 基于造影图像获取静息态下血管评定参数的方法及装置 |
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CN112384137B CN112384137B (zh) | 2023-11-14 |
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CN201980040404.4A Pending CN112384136A (zh) | 2018-11-13 | 2019-11-13 | 基于造影图像获取血管评定参数的方法、装置及系统 |
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US (1) | US20210236000A1 (zh) |
EP (1) | EP3881758A4 (zh) |
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CN118098607A (zh) * | 2024-04-29 | 2024-05-28 | 四川大学 | 一种冠状动脉供血功能评估方法、系统、设备以及介质 |
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CN111227821B (zh) * | 2018-11-28 | 2022-02-11 | 苏州润迈德医疗科技有限公司 | 基于心肌血流量和ct图像的微循环阻力指数计算方法 |
US12039685B2 (en) | 2019-09-23 | 2024-07-16 | Cathworks Ltd. | Methods, apparatus, and system for synchronization between a three-dimensional vascular model and an imaging device |
US11950893B2 (en) * | 2020-01-17 | 2024-04-09 | The Research Foundation For The State University Of New York | Apparatus and method of determining dynamic vascular parameters of blood flow |
US20220392059A1 (en) * | 2021-06-08 | 2022-12-08 | Shenzhen Keya Medical Technology Corporation | Method and system for representation learning with sparse convolution |
CN113838572B (zh) * | 2021-09-10 | 2024-03-01 | 深圳睿心智能医疗科技有限公司 | 血管生理参数获取方法、装置、电子设备及存储介质 |
EP4197429A1 (en) * | 2021-12-14 | 2023-06-21 | Koninklijke Philips N.V. | System and method for determining partial mass of an organ |
CN116172598A (zh) * | 2023-02-22 | 2023-05-30 | 北京医准智能科技有限公司 | 一种血流储备分数确定方法、装置、电子设备及存储介质 |
CN116807514B (zh) * | 2023-08-29 | 2024-01-12 | 深圳开立生物医疗科技股份有限公司 | 血管成像系统、方法、设备、电子设备及存储介质 |
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