Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

Spatiotemporal reconstruction of a moving vascular pulse wave from a plurality of lower dimensional angiographic projections

An angiographic and spatio-temporal technology, applied in the directions of projection reproduction, cardiac catheterization, image enhancement, etc., can solve the problem of not being able to obtain dynamic information

Active Publication Date: 2021-09-14
威廉 E 巴特勒
View PDF12 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, dynamic information such as vascular pulse waves and other heart rate phenomena cannot be obtained from the processing of static images

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Spatiotemporal reconstruction of a moving vascular pulse wave from a plurality of lower dimensional angiographic projections
  • Spatiotemporal reconstruction of a moving vascular pulse wave from a plurality of lower dimensional angiographic projections
  • Spatiotemporal reconstruction of a moving vascular pulse wave from a plurality of lower dimensional angiographic projections

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0046] Angiographic cardiovascular phenomena can be visualized by processing angiographic data acquired at a frequency faster than the heart rate (eg, twice the Nyqvist rate or higher). This phenomenon (including physiological coherence) is dynamic, transient and periodically recurring, and can be visualized as vascular pulse waves. Physiological coherence occurs when different spatial regions of the vascular bed maintain a relatively constant phase difference over multiple cardiac cycles. As described herein, angiographic cardiovascular phenomena can be used to reconstruct high-order spatial dimension objects from low-order image projections and visualize vessel pulse waves.

[0047] The following example illustrates angiographic physiological coherence with human cerebrovascular data. However, angiographic physiological coherence is not limited to this example and can be found in various other organs with vascular components or other systems with suitable vasculature. Furt...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

A plurality of image projections are acquired at faster than cardiac rate. A spatiotemporal reconstruction of cardiac frequency angiographic phenomena in three spatial dimensions is generated from two dimensional image projections using physiological coherence at cardiac frequency. Complex valued methods may be used to operate on the plurality of image projections to reconstruct a higher dimensional spatiotemporal object. From a plurality of two spatial dimensional angiographic projections, a 3D spatial reconstruction of moving pulse waves and other cardiac frequency angiographic phenomena is obtained. Reconstruction techniques for angiographic data obtained from biplane angiography devices are also provided herein.

Description

[0001] Cross-References to Associated Applications [0002] This application claims benefit and priority under 35 U.S.C. §119 to Provisional Patent Application No. 62 / 801766, filed February 6, 2019, which is hereby incorporated by reference in its entirety. technical field [0003] Techniques are provided for creating high-order dimensional reconstructions of moving vessel pulse waves from multiple low-order dimensional angiographic projections. Since angiograms (e.g., x-ray angiograms) are typically produced as two-dimensional image projections of angiographic contrast agents traveling in a 3D vascular bed according to time, the method involves (including 3D spatial and temporal dimensions) to reconstruct angiograms. [0004] The present technique reconstructs an angiogram into three spatial dimensions from multiple angiographic image projections, each image projection being acquired in two spatial dimensions. These techniques can be used to obtain high-order spatial-tempor...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Applications(China)
IPC IPC(8): A61B6/00
CPCA61B6/504A61B6/481A61B6/5217A61B6/4078A61B6/4085A61B6/5288A61B6/466G06T7/0016G06T2207/10016G06T2207/10116G06T2207/30101G06T11/006A61B5/055A61B5/02007A61B5/031A61B5/14552A61B5/318A61B5/0044A61B5/7292A61B5/1495A61B5/0816G06T2211/404G06T15/08G06T2207/30104G06T2207/30012
Inventor 威廉·E·巴特勒
Owner 威廉 E 巴特勒
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products