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CT value-based maximum bearing capacity detection method and system

A technology of maximum bearing capacity and detection method, applied in image data processing, instruments, calculations, etc., can solve the problems of calculating the maximum bearing capacity of bones and the inability to accurately calculate the maximum bearing capacity of bones

Pending Publication Date: 2021-02-19
THE AFFILIATED HOSPITAL OF SHANDONG UNIV OF TCM +1
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  • Abstract
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  • Application Information

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Problems solved by technology

[0004] For bearing capacity, refer to preoperative images to judge the bone quality, or calculate the amount of traction based on the patient's weight ratio. There is a certain degree of subjectivity and blindness in the clinical treatment process, and it is impossible to accurately calculate the maximum bearing capacity that the bone can bear.
In the process of using the mechanical arm to reset, it is first necessary to measure whether the mechanical arm is reliable and safe when driving the fracture block. For patients with osteoporosis, whether the threaded needle will escape and cause safety problems; how to accurately calculate the maximum bearing capacity of the bone is a problem. very difficult problem

Method used

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  • CT value-based maximum bearing capacity detection method and system

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Embodiment 1

[0025] Such as figure 1 As shown, the present embodiment provides a method for detecting the maximum bearing capacity based on the CT value, including:

[0026] S1: According to the obtained CT image of the traction part, construct the CT value and bone length coordinate system according to the bone needle path direction of the traction part, and obtain the corresponding relationship between the CT value and the bone length;

[0027] S2: According to the corresponding relationship between CT value and bone length, the region area composed of CT value and bone length is obtained. The region area is proportional to the maximum bearing capacity, that is, the larger the area, the greater the bearing capacity.

[0028] In the step S1, a bone needle implantation simulation model is constructed according to the traction information, which includes the entry point, exit point and direction of the bone needle and the length of the bone passed through;

[0029] In this embodiment, in t...

Embodiment 2

[0043] This embodiment provides a maximum bearing capacity detection system based on CT values, including:

[0044] The coordinate system construction module is used to construct a coordinate system of CT value and bone length according to the obtained CT image of the traction part according to the path direction of the bone needle at the traction part, and obtain the corresponding relationship between the CT value and the bone length;

[0045] The area area calculation module is used to obtain the area area composed of the CT value and the bone length according to the corresponding relationship between the CT value and the bone length. The area area is proportional to the maximum bearing capacity, that is, the larger the area area, the greater the bearing capacity .

[0046] It should be noted here that the above-mentioned modules correspond to steps S1 to S2 in Embodiment 1, and the examples and application scenarios implemented by the above-mentioned modules and correspondi...

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Abstract

The invention discloses a CT value-based maximum bearing capacity detection method and system, and the method comprises the steps: building a CT value and bone length coordinate system from the bone needle path direction of a traction part according to an obtained CT image of the traction part, and obtaining a corresponding relation between the CT value and the bone length; according to the corresponding relation between the CT value and the bone length, obtaining the area of a region formed by the CT value and the bone length, wherein the area of the region is in direct proportion to the maximum bearing capacity, that is, the larger the area of the region is, the larger the bearing capacity is. The bearing capacity is related to the diameter of the bone needle, the bone mineral density and the length of the penetrated bone, and the bone mineral density value and the CT value in the body layer have a corresponding relationship, so that the maximum bearing capacity is calculated according to the area of a region formed by the CT value and the length of the penetrated bone.

Description

technical field [0001] The invention relates to the technical field of fracture traction, in particular to a maximum bearing capacity detection method and system based on CT values. Background technique [0002] The statements in this section merely provide background information related to the present invention and do not necessarily constitute prior art. [0003] In fracture treatment operation, traction is to use the principle of action force and reaction force in mechanics to act on the affected limb through the pull of gravity, relieve the tension and retraction of the soft tissue at the fracture and dislocation, reset the fracture or dislocation, and achieve healing. The purpose of traction is divided into two categories: continuous skin traction and bone traction, which are mainly used for long bone fractures of limbs. [0004] For bearing capacity, refer to preoperative images to judge the bone quality, or calculate the amount of traction based on the patient's weig...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06T7/62G06T7/00
CPCG06T7/62G06T7/0012G06T2207/10081G06T2207/30008
Inventor 毕建平赵霞董道波
Owner THE AFFILIATED HOSPITAL OF SHANDONG UNIV OF TCM
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