Surgical navigation method based on optical fiber shape sensing

A technology of surgical navigation and optical fiber, which is applied in surgical navigation systems, surgery, medical science, etc., can solve problems such as injury, achieve rapid surgery, convenient and flexible surgery, and improve accuracy

Active Publication Date: 2020-06-12
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

However, because surgical instruments are mostly hard instruments, improper operation will cause damage, and the surgical path also needs to cooperate with the operation of the instruments, which is not an optimal path

Method used

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  • Surgical navigation method based on optical fiber shape sensing
  • Surgical navigation method based on optical fiber shape sensing
  • Surgical navigation method based on optical fiber shape sensing

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Embodiment Construction

[0012] Such as figure 1 The schematic diagram of the overall structure of the surgical navigation system based on optical fiber shape sensing is shown. The system includes multiple cameras 101, a positioning system 102, a flexible surgical instrument 201, at least one optical fiber 202, a visual positioning label 203, a three-dimensional imaging system 301 and the patient's Preoperative image. Among them, the external end of the flexible surgical instrument 201 of the internal auxiliary optical fiber is fixed with a visual positioning label 203, and the type of the flexible surgical instrument 201 can also be distinguished by installing the visual positioning label 203 at different positions, so as to perform image recognition. A camera 101 is installed above the operating table, and is calibrated through a binocular camera or a multi-eye camera, and the parameter information of the camera 101 is obtained to capture the visual positioning label 203 on the flexible surgical ins...

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Abstract

The invention relates to a surgical navigation method based on optical fiber shape sensing. A stereoscopic vision label is installed at the outer tail end of a flexible surgical instrument body of theinner auxiliary optical fiber, the position and posture of the outer tail end of the flexible surgical instrument body are measured through a binocular camera or a multi-view camera, and meanwhile the overall shape of the flexible surgical instrument body is measured through the optical fiber. Then, a positioning system calculates the spatial position and posture of the inner tail end of the flexible surgical instrument body in combination with the position and posture of the outer tail end of the flexible surgical instrument body and the overall shape. A three-dimensional imaging system displays a three-dimensional visual virtual human body on a computer by using a preoperative image; the real posture of the flexible surgical instrument body entering the human body is obtained by combining the position and posture of the flexible surgical instrument, and a surgeon observes the specific position and posture of the flexible surgical instrument through a display screen and operates theflexible surgical instrument to perform an operation, thereby navigating the surgeon in real time during the operation. The method has the advantages of high precision, high reliability and the like.

Description

technical field [0001] The invention relates to an operation device, in particular to an operation navigation method based on optical fiber shape sensing. Background technique [0002] With the increasing pace of life in modern society, in order to seek precise positioning and reliable technical means during the operation, image guidance and surgical navigation have become current hot spots. The surgical navigation system uses digital scanning technologies such as MRI, CT, etc. to obtain patient The preoperative image information is input into the 3D imaging system through the media to create a 3D model image of the patient, and the doctor makes a preoperative plan based on the image, designs multiple surgical routes, and simulates the operation. [0003] The existing surgical navigation system has the following working principle: the doctor holds the surgical tool to operate the patient's surgical target, the spatial positioning and aiming process of the surgical tool are u...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61B34/20
CPCA61B34/20A61B2034/2061A61B2034/2065A61B2034/2072
Inventor 秦晓飞刘燕蔡锐赵颖徐敏敏张学典
Owner UNIV OF SHANGHAI FOR SCI & TECH
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