Standard block for detecting registration precision

Abstract

The invention provides a standard block for detecting registration precision and an application method thereof. The standard block is characterized by comprising a standard block body, wherein the standard block body is in a ship shape; the bottom of the standard block body is provided with at least one hollow structure; the top face of the standard block body is of a plane structure, and scale holes, angle holes and installation holes are formed in the top face of the standard block body. And the scale hole, the angle hole and the mounting hole are not in contact with each other. The standard block is stable in structure and convenient to use, and through testing, incomplete image shooting caused by the fact that the standard block is too large is avoided, and unclear image shooting caused by the fact that the standard block is too small is also avoided.

Description

technical field [0001] The invention relates to the field of medical devices, in particular to a standard block for detecting registration accuracy. Background technique [0002] In the orthopedic surgery navigation system, the registration algorithm is used to register the virtual image with the real image, and the bone block model is usually used for testing, but there is no specific registration error value, which makes it impossible to judge the registration accuracy; in order to verify the registration In order to ensure the accuracy of the accuracy, the standard block will be used for simulation testing to detect the accuracy of image registration. However, due to the shape and structure of the existing standard block, after X-ray shooting, the image taken is a single black, and now Some standard blocks are large in size, which may lead to incomplete shooting images, and it is difficult to distinguish them during registration, which increases the difficulty of registra...

AI Technical Summary

Problems solved by technology

[0002] In the orthopedic surgery navigation system, the registration algorithm is used to register the virtual image with the real image, and the bone block model is usually used for testing, but there is no specific registration error value, which makes it impossible to judge the registration accuracy; in order to verify the registration In order to ensure the accuracy of the accuracy, the standard block will be used for simulation testing to detect the accuracy of image registration. However, due to the shape and structure of the existing standard block, after X-ray shooting, the image taken is a single black, and now Some standard blocks are large in size, which may lead to incomplete shooting images, and it is difficult to distinguish them during registration, which increases the difficulty of registration and affects the accuracy of registration

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