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Surgical navigation registration system

A registration system and surgical navigation technology, which is applied in the field of surgical navigation registration system, can solve the problems of magnetic field interference of electromagnetic navigation sensors, easy blocking of optical navigation cameras, inaccurate tracking results of surgical instruments, etc., to reduce interference and improve The effect of navigation accuracy

Active Publication Date: 2019-12-10
CHONGQING BOSSCAN TECH CO LTD
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Problems solved by technology

Since the existing surgical navigation systems only use optical positioning or electromagnetic positioning for surgical registration, the conversion relationship obtained is only suitable for the corresponding navigation system for space conversion.
[0004] Therefore, the existing navigation system can only track the position of surgical instruments by using optical navigation or electromagnetic navigation, and the single surgical navigation method is easily disturbed, such as the camera of optical navigation is easily blocked, and the electromagnetic sensor of electromagnetic navigation is easily affected. The magnetic field interference generated by other equipment will cause inaccurate tracking results of surgical instruments and affect the observation of the relative position between surgical instruments and lesions

Method used

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with the embodiments and accompanying drawings.

[0036] Such as figure 1 , Figure 4 As shown, the surgical registration system is set up with:

[0037] The registration probe 100 is used to detect the electromagnetic intensity signal of the marking point through the electromagnetic sensor 102, and mark the position of the marking point through the optical mark 103;

[0038] An image acquisition device 200, configured to acquire optical image information of the optical marker 103;

[0039] The navigation terminal 300 is configured to acquire scanned image information including marker points and anatomical parts, and determine the conversion relationship between the electromagnetic space coordinate system and the computer space coordinate system according to the scan image information of the marker points and the electromagnetic intensity signal;

[0040] It is also used to determine the conversion ...

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Abstract

The invention discloses a surgical navigation registration system. The surgical navigation registration system is provided with a registration probe, an image acquisition device and a navigation terminal, wherein the registration probe is used for detecting an electromagnetic intensity signal of a marking point through an electromagnetic sensor and calibrating the position of the marking point through an optical mark; the image acquisition device acquires optical image information of the optical mark; and the navigation terminal acquires scanning image information including the marking point and an anatomical part, and carries out marking point positioning by adopting an electromagnetic positioning mode and an optical positioning mode, so that the conversion relation between the surgical space required by the electromagnetic surgical navigation and the computer space, and the conversion relation between the surgical space required by the optical surgical navigation and the computer aredetermined.

Description

technical field [0001] The invention relates to a surgical navigation system, in particular to a surgical navigation registration system. Background technique [0002] Surgical navigation is a real-time tracking of the position coordinates of surgical instruments in the surgical space through positioning technology, and displays the position coordinates of the surgical instruments on the three-dimensional image model of the anatomical position in a virtual form, so that the surgeon can observe the surgical instruments in real time. The relative position of the lesions makes the surgical operation more precise, safe and fast. [0003] In order to convert the position coordinates of surgical instruments to the three-dimensional image model of anatomical positions, it is necessary to install marker points on the human body for surgical registration, and to determine the conversion relationship between the surgical space and the computer space. Since the existing surgical navig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B34/20
CPCA61B34/20A61B2034/2051A61B2034/2055A61B2034/2065
Inventor 夏桂锋周跃李长青郑文杰汪星星
Owner CHONGQING BOSSCAN TECH CO LTD
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