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Intracranial puncture locating method based on mixed reality

A technology of mixed reality and positioning method, which is applied in the field of neuroimage navigation in surgery, can solve the problems of inaccurate operation and difficult positioning of intracranial puncture, and achieve the effect of easy acquisition, solving difficult positioning and not accurate enough, and convenient design

Inactive Publication Date: 2018-07-20
XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI +1
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  • Application Information

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Problems solved by technology

[0007] In order to solve the problems of difficult positioning and inaccurate operation of intracranial puncture in the field of neurosurgery, this invention proposes a positioning method for intracranial puncture based on mixed reality

Method used

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  • Intracranial puncture locating method based on mixed reality
  • Intracranial puncture locating method based on mixed reality
  • Intracranial puncture locating method based on mixed reality

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Embodiment Construction

[0028] The present invention adopts the intracranial hematoma puncture of a certain patient as an embodiment. The specific implementation manner of the present invention will be described in detail below with reference to the drawings and examples.

[0029]A method for intracranial puncture positioning based on mixed reality, the method includes the following processing steps:

[0030] Step 1: Acquire the CT data of the patient's head with markers. The specific method is: before the CT scan, stick three or more markers near the surgical area of ​​the patient's head, and one of the markers is pasted on the The planned puncture entry point; then perform a CT scan on the patient's head to obtain head CT scan data including markers; markers include but are not limited to electrocardiogram electrodes, the specific number depends on actual needs, generally 3 to 6 are appropriate.

[0031] In this embodiment, before the CT scan, the electrocardiogram electrode sheet is used as a ma...

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Abstract

The invention relates to an intracranial puncture locating method based on mixed reality and belongs to the field of neural imaging navigation. The method includes the steps of firstly, collecting CTscanning data of a patient with a marker, and creating three-dimensional models of the head and intracranial lesions of the patient according to the CT data; determining puncture targets, a puncture direction and puncture depth on the basis of the three-dimensional models, and creating an intracranial puncture path; finally, through rigid registration, overlapping the three-dimensional model of the head and the puncture path on a surgical part of the patient through a mixed reality technology, so that a surgeon can conduct puncture surgery under the guidance of the virtual three-dimensional models and correct puncture operation in real time according to the puncture path. Since the virtual three-dimensional modules are totally matched with a real scene, the virtual puncture patch is highlymatched with an actual situation, and therefore by conducting the puncture operation along the virtual puncture path, deviations or faults existing in traditional empirical operation are effectivelyavoided so that the purpose of improving the intracranial puncture precision and puncture efficiency can be achieved.

Description

technical field [0001] The invention relates to a positioning method for intracranial puncture, in particular to a positioning method for intracranial puncture based on mixed reality, which belongs to the field of neuroimage navigation in surgery. Background technique [0002] Intracranial puncture is one of the common operations in the field of neurosurgery. For patients with intracranial hematoma, acute hydrocephalus, and brain abscess, intracranial puncture can quickly reduce intracranial hypertension. For patients with aneurysmal subarachnoid hemorrhage, it can also serve the purpose of draining bloody cerebrospinal fluid. An effective way to improve clinical symptoms. However, this method often faces the problem that the target point is deep and needs to be located based on the operator's experience. Once the puncture position is inaccurate, especially for deep-rooted lesions, repeated punctures will increase the possibility of brain injury (Li Wei, Jiang Rongcai, Ton...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B17/34A61B34/10A61B34/20
CPCA61B17/3403A61B34/10A61B34/20A61B2034/105A61B2034/107A61B2034/108
Inventor 李晔张文耀王宁李大伟
Owner XUANWU HOSPITAL OF CAPITAL UNIV OF MEDICAL SCI
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