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handheld scanner

A scanning device, handheld technology, applied in medical science, image data processing, 3D image processing, etc., can solve problems such as difficult reconstruction, incorrect diagnosis, variability, etc., and achieve optimal ultrasound imaging quality and enhanced exposure degree of effect

Inactive Publication Date: 2017-04-12
安华亿能医疗影像科技(北京)有限公司
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Problems solved by technology

[0003] 1. Conventional ultrasound images are two-dimensional, and the diagnostician must mentally transform multiple two-dimensional images to form a complex three-dimensional structure, which leads to variability and sometimes incorrect diagnoses;
[0004] 2. It is very difficult to localize the 2D ultrasound image plane of the organ and reconstruct it afterwards
This makes the approach error-prone and limited in its ability to quantify disease progression and decline, especially when tracking small changes;
[0005] 3. The patient's body structure often limits the angle of the image, resulting in the inability to observe the most ideal image plane for disease assessment;
Whereas 2D ultrasound is variable and sometimes inaccurate, 3D ultrasound ensures accurate and less variable estimation of anatomy

Method used

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Embodiment approach

[0100] a) Magnetic tracker: One or more FM transmitters are used to generate a magnetic field that changes with space, and one or more FM receivers containing three-phase quadrature coils are used to induce the strength of the magnetic field. Each time a two-dimensional slice image of the carotid artery is obtained, the position and orientation information of the transducer can be calculated by tracking the magnetic field strength of the three phases generated by the FM transmitter.

[0101] b) Mechanical tracker: The drive mechanism in this method is preferentially controlled by the drive motor or mechanical system, and runs at a constant and predictable rate. Later it also uses a spring balance mechanism or an automatic mechanical clamping mechanism. According to the imaging system, the mechanical tracker is driven in the following configurations: 1) Linear-the images are acquired parallel to each other at equal or dynamic intervals; 2) Tilt-in a fan-like structure, with the sa...

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Abstract

The invention discloses a handheld scanning device. The handheld scanning device comprises an auxiliary handheld scanning device, an ultrasonic probe and a drive control device. The auxiliary handheld scanning device comprises an H-shaped hollow shell, a scanning transmission mechanism fixed to the hollow shell, and an ultrasonic probe support in transmission connection with the scanning transmission mechanism. The ultrasonic probe is fixed to the ultrasonic probe support. The drive control device comprises a drive motor, a motor control box and an external master controller. The external master controller carries out driving control on the drive motor through the motor control box. The drive motor drives the scanning transmission mechanism to drive the ultrasonic probe support to move in a linear mode so that the ultrasonic probe can continuously and stably collect two-dimensional carotid artery section images at different positions. The handheld scanning device can continuously, accurately and stably collect the two-dimensional ultrasonic images.

Description

Technical field [0001] The invention relates to the technical field of image acquisition and processing, in particular to a handheld scanning device. Background technique [0002] Medical ultrasound imaging technology is today's mainstream simple non-invasive method for evaluating the detailed internal structure of tissues and organs for evaluation, diagnosis, specifying treatment plans and determining curative effects. However, conventional two-dimensional ultrasound image scanning has several drawbacks: [0003] 1. Conventional ultrasound images are two-dimensional, and the diagnoser must convert multiple two-dimensional images in his mind to form a complex three-dimensional structure, which will lead to variability and sometimes incorrect diagnosis; [0004] 2. It is very difficult to localize the two-dimensional ultrasound image plane of the organ and reconstruct it later. This makes this method prone to errors, and the ability to quantify the development and decline of the dis...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61B8/00G06T15/00
CPCA61B8/00
Inventor 汪洋魏桑迪
Owner 安华亿能医疗影像科技(北京)有限公司
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