Interventional planning navigation system based on CT-MRI fusion and navigation method thereof

A CT-MRI and navigation system technology, applied in the medical field, can solve the problems of difficult prostate intervention, blurred boundary between the prostate and surrounding tissue, limited resolution, etc. Effect

Active Publication Date: 2019-11-19
LISHUI CENT HOSPITAL +1
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Problems solved by technology

Compared with ultrasound guidance, CT guidance is more objective, but CT has limited resolution of soft tissue organs, resulting in blurred borders between the prostate and surrounding tissues. ...

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  • Interventional planning navigation system based on CT-MRI fusion and navigation method thereof
  • Interventional planning navigation system based on CT-MRI fusion and navigation method thereof
  • Interventional planning navigation system based on CT-MRI fusion and navigation method thereof

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Embodiment Construction

[0041] The present invention will be further described in detail below in conjunction with the embodiments, so that those skilled in the art can implement it with reference to the description.

[0042] It should be understood that terms such as "having", "comprising" and "including" used herein do not exclude the presence or addition of one or more other elements or combinations thereof.

[0043] A kind of intervention plan navigation system based on CT-MRI fusion of the present embodiment includes:

[0044] Preoperative planning module, which is used to preprocess the patient's MRI images, then segment the prostate region and urethra based on the MRI images, and mark the suspicious lesion area, then construct the three-dimensional model of the prostate region, urethra and suspicious lesion area, and finally plan Find the best puncture path;

[0045] A spatial positioning module, which is used to complete the spatial registration of the patient's CT image and the MRI image, a...

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Abstract

The invention discloses an interventional planning navigation system based on CT- MRI fusion and a navigation method thereof. The system comprises: a preoperative planning module that segments a prostate region and an urethra from a MRI image, marks a suspicious lesion region, and then constructs a three-dimensional structure, and finally plans an optimal puncture path; a spatial positioning module that is used to complete spatial registration of a CT image and the MRI image of a patient and obtains a transformation matrix from magnetic locator space and a CT image space; a puncture guiding module that is used to obtain a position and a posture of a puncture needle, so as to guide travel of the puncture needle. The interventional planning navigation system of the invention facilitates to locate a suspicious lesion without changing CT guidance by combining imaging advantages of the CT and the MRI, thereby specifying a target area of diagnosis and treatment, and improving accuracy of prostate interventional surgery; and fully combines multimodal medical image information, a spatial positioning technology and a three-dimensional visualization technology to make guidance to operation more intuitive and to improve convenience of prostate interventional surgery.

Description

technical field [0001] The invention relates to the field of medical technology, in particular to a CT-MRI fusion-based intervention planning navigation system and a navigation method thereof. Background technique [0002] Prostate cancer is one of the most common malignant tumors of the male genitourinary system. With the changes in people's living habits and eating habits, the incidence of prostate cancer in my country has increased rapidly in recent years. The effect of curative treatment on early prostate cancer is better, so early diagnosis and early treatment of prostate cancer are very important. [0003] Interventional surgery has played an important role in the diagnosis and treatment of prostate cancer, such as biopsy, seed implantation and cryoablation. Compared with ultrasound guidance, CT guidance is more objective, but CT has limited resolution of soft tissue organs, resulting in blurred borders between the prostate and surrounding tissues. More importantly, ...

Claims

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Application Information

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IPC IPC(8): A61B34/20A61B34/10A61B17/34G06N3/08G06T7/11G06T7/168G06T7/30
CPCA61B34/20A61B34/10A61B17/3403G06T7/11G06T7/30G06T7/168G06N3/08A61B2034/2065A61B2034/107A61B2034/108A61B2034/2051G06T2207/10081G06T2207/10088
Inventor 纪建松戴亚康胡冀苏周志勇赵中伟
Owner LISHUI CENT HOSPITAL
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