CN115252047A - Femur distal end and anterior and posterior condyles measuring, positioning and osteotomy device for knee joint replacement - Google Patents
Femur distal end and anterior and posterior condyles measuring, positioning and osteotomy device for knee joint replacement Download PDFInfo
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- CN115252047A CN115252047A CN202210807987.2A CN202210807987A CN115252047A CN 115252047 A CN115252047 A CN 115252047A CN 202210807987 A CN202210807987 A CN 202210807987A CN 115252047 A CN115252047 A CN 115252047A
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- 210000000629 knee joint Anatomy 0.000 title claims abstract description 118
- 210000000689 upper leg Anatomy 0.000 title claims abstract description 46
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 210000002303 tibia Anatomy 0.000 claims abstract description 13
- 238000007405 data analysis Methods 0.000 claims abstract description 12
- 230000003993 interaction Effects 0.000 claims abstract description 5
- 238000007781 pre-processing Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 24
- 230000008569 process Effects 0.000 claims description 17
- 210000003127 knee Anatomy 0.000 claims description 15
- 230000009466 transformation Effects 0.000 claims description 15
- 230000002708 enhancing effect Effects 0.000 claims description 9
- 238000011882 arthroplasty Methods 0.000 claims description 8
- 238000000605 extraction Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 239000000284 extract Substances 0.000 claims description 6
- 239000013598 vector Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 5
- 238000003706 image smoothing Methods 0.000 claims description 3
- 238000010606 normalization Methods 0.000 claims description 3
- 230000017105 transposition Effects 0.000 claims description 3
- 238000004590 computer program Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000013150 knee replacement Methods 0.000 description 5
- 208000003241 Fat Embolism Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 210000001185 bone marrow Anatomy 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000008733 trauma Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1657—Bone breaking devices
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/1662—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body
- A61B17/1675—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for particular parts of the body for the knee
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
- A61B6/50—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications
- A61B6/505—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment specially adapted for specific body parts; specially adapted for specific clinical applications for diagnosis of bone
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Abstract
The invention belongs to the technical field of auxiliary surgical instruments, and discloses a measuring, positioning and osteotomy device for a distal femur, a front condyle and a rear condyle in knee joint replacement, wherein a tibia osteotomy module is used for osteotomy of a tibia by using tibia osteotomy equipment according to a knee joint data analysis result; the femur anterior condyle osteotomy module is used for osteotomy of the femur anterior condyle by utilizing femur anterior condyle osteotomy equipment according to knee joint data analysis results; the femoral posterior condyle osteotomy module is used for performing osteotomy on the femoral posterior condyle by utilizing the femoral posterior condyle osteotomy equipment according to the knee joint data analysis result; the measurement module acquires information related to the knee joint of the human body through medical image acquisition equipment, and performs preprocessing and depth processing on the image; the data processing module is used for establishing a corresponding model for positioning according to the acquired medical image and the information of the knee joint of the human body; and the wireless device is connected with the cloud server to realize data interaction and big data processing. The invention improves the speed and the accuracy of data processing and is beneficial to the accurate positioning of osteotomy.
Description
Technical Field
The invention belongs to the technical field of surgical auxiliary instruments, and particularly relates to a measuring, positioning and osteotomy device for a distal femur and anterior and posterior condyles in knee joint replacement.
Background
Currently, the knee extension gap is determined by positioning the femoral bone marrow to determine the eversion angle of the distal osteotomy surface of the femur, and the subsequent operation steps can be completed after the correct osteotomy is performed. The traditional surgical instrument needs to insert a positioning rod into a femoral medullary cavity to determine the distal osteotomy surface of the femur, however, the surgical trauma is increased, the bleeding amount during and after the operation is increased, the risk of fat embolism during the operation is increased, and even the life of a patient is threatened. For determining the knee extension gap, the prior art has the possibility that the femur and the tibia need to be repeatedly cut in the operation process. When the artificial knee joint primary replacement is performed, the distal end of the femur needs to be subjected to extramedullary positioning osteotomy, measurement of the anterior and posterior condyles of the femur and external rotation positioning osteotomy. In the process of osteotomy, the measurement and positioning osteotomy device for the distal femur and the anterior and posterior condyles of knee replacement plays a key role. However, the existing femur distal end and anterior and posterior condyles measuring and positioning osteotomy device for knee replacement cannot enable medical staff to accurately master measuring and positioning data, and operation errors are easily caused.
Through the above analysis, the problems and defects of the prior art are as follows: the existing femur distal end and anterior and posterior condyles measuring and positioning osteotomy device for knee joint replacement cannot enable medical personnel to accurately master measuring and positioning data, and operation errors are easily caused.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a measuring, positioning and osteotomy device for the distal femur and the anterior and posterior condyles in knee joint replacement.
The invention is realized in this way, a femur distal end and anterior and posterior condyles measuring and positioning osteotomy device for knee joint replacement, which is provided with:
the tibia osteotomy module is used for osteotomy of the tibia by using tibia osteotomy equipment according to the knee joint data analysis result;
the femur anterior condyle osteotomy module is used for osteotomy of the femur anterior condyle by utilizing the femur anterior condyle osteotomy equipment according to the knee joint data analysis result;
the femoral posterior condyle osteotomy module is used for performing osteotomy on the femoral posterior condyle by utilizing the femoral posterior condyle osteotomy equipment according to the knee joint data analysis result;
the measurement module acquires information related to the knee joint of the human body through medical image acquisition equipment, and performs preprocessing and depth processing on the image;
the data processing module is used for establishing a corresponding model for positioning according to the acquired medical image and the information of the knee joint of the human body; and the wireless device is connected with the cloud server to realize data interaction and big data processing.
Further, the measurement module is provided with: the knee joint image importing module imports the knee joint image through an image importing program; the knee joint image enhancement module enhances the knee joint image through an image enhancement program;
the knee joint image extraction module extracts knee joint features in the knee joint image through an image key feature extraction program; the knee joint image identification module identifies the knee joint image through an image matching identification program.
Further, the specific process of the knee joint image importing module importing the knee joint image through the image importing program is as follows:
determining the format of the knee joint image data to be imported and the format of knee joint image data processing, matching the two formats, and converting the formats.
Further, the knee joint image enhancement module enhancing the knee joint image through the image enhancement program includes: the method comprises the steps of knee joint image geometric transformation, knee joint image normalization processing, knee joint image smoothing processing and knee joint image denoising and enhancing.
Further, the specific process of the knee joint image geometric transformation is as follows: knee joint image mirroring, transposition, rotation and scaling transformation.
Further, the knee joint image denoising and enhancing specific process comprises the following steps:
identifying and extracting noise image segments in the knee joint image, performing wavelet transformation of a certain scale on the image segments containing noise, and determining a modulus maximum value of a transformation coefficient on each scale;
determining a corresponding threshold, and removing maximum value points smaller than the threshold from the maximum scale; repeating the above processes until the image processing of all knee joints is completed; and reconstructing the image through the wavelet coefficient corresponding to the reserved extreme point.
Further, the knee joint image extraction module extracts knee joint features in the knee joint image through an image key feature extraction program in a specific process that:
establishing corresponding detection windows according to the positions of the distal femur end and the anterior and posterior condyles to be intercepted; normalizing the image in the detection window, and calculating the corresponding image gradient;
according to the calculated gradient data, performing weight projection on the gradient histogram of each image block; and reconstructing the histogram vectors corresponding to the overlapped image blocks into image feature vectors.
Further, the knee joint image identification module identifies the knee joint image through an image matching identification program in a specific process that:
establishing the intercepted image characteristics of the distal femur and the anterior and posterior condyles, and generating corresponding descriptors of the distal femur and the anterior and posterior condyles;
and performing feature matching identification on the two images according to the similarity of the characteristic descriptors of the distal femur and the anterior and posterior condyles.
It is another object of the present invention to provide a computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface to implement the distal femur and anterior and posterior condylar measurement positioning osteotomy device for knee arthroplasty when executed on an electronic device.
It is another object of the present invention to provide a computer readable storage medium storing instructions that, when executed on a computer, cause the computer to execute the distal femur and anterior and posterior condylar measurement positioning osteotomy apparatus for knee arthroplasty.
By combining all the technical schemes, the invention has the advantages and positive effects that: according to the invention, the measurement module is arranged to acquire the information related to the knee joint of the human body, and the image is preprocessed and deeply processed, so that the accuracy of the knee joint information is improved. According to the invention, the data processing module establishes a corresponding model for positioning according to the acquired medical image and the information of the knee joint of the human body, so that medical personnel can more intuitively and accurately master the osteotomy positions of the distal femur and the anterior and posterior condyles; meanwhile, the whole device is connected with the cloud server through the wireless equipment, so that data interaction and big data processing are realized, the data processing speed and accuracy are improved, and accurate positioning of osteotomy is facilitated.
Drawings
Fig. 1 is a schematic structural view of a distal femur and anterior and posterior condylar measurement and positioning osteotomy device for knee replacement according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a measurement module according to an embodiment of the present invention.
Fig. 3 is a flowchart of a knee joint image denoising and enhancing method according to an embodiment of the present invention.
In the figure: 1. a tibial osteotomy module; 2. a femoral anterior condyle osteotomy module; 3. a femoral posterior condyle osteotomy module; 4. a measurement module; 5. a data processing module; 6. a knee joint image importing module; 7. a knee joint image enhancement module; 8. a knee joint image extraction module; 9. knee joint image identification module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In view of the problems of the prior art, the present invention provides a measuring, positioning and osteotomy device for distal femur and anterior and posterior condyles in knee replacement, which is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, the present invention provides a distal femur and anterior and posterior condylar measurement positioning osteotomy device for knee replacement, comprising:
and the tibia osteotomy module 1 is used for osteotomy of the tibia by using tibia osteotomy equipment according to the knee joint data analysis result.
And the femoral anterior condyle osteotomy module 2 is used for performing osteotomy on the femoral anterior condyle by utilizing the femoral anterior condyle osteotomy equipment according to the knee joint data analysis result.
And the femoral posterior condyle osteotomy module 3 is used for performing osteotomy on the femoral posterior condyle by utilizing the femoral posterior condyle osteotomy equipment according to the knee joint data analysis result.
And the measuring module 4 acquires information related to the knee joint of the human body through medical image acquisition equipment, and performs preprocessing and depth processing on the image.
The data processing module 5 is used for establishing a corresponding model for positioning according to the acquired medical images and the information of the knee joint of the human body; and the wireless device is connected with the cloud server to realize data interaction and big data processing.
As shown in fig. 2, the measurement module 4 provided in the embodiment of the present invention includes:
the knee joint image importing module 6 imports the knee joint image through an image importing program.
The knee joint image enhancement module 7 enhances the knee joint image through an image enhancement program.
The knee joint image extraction module 8 extracts knee joint features in the knee joint image through an image key feature extraction program.
The knee joint image recognition module 9 recognizes the knee joint image through an image matching recognition program.
The specific process of the knee joint image importing module 6 provided by the embodiment of the invention, which imports the knee joint image through the image importing program, is as follows:
determining the format of the knee joint image data to be imported and the format of knee joint image data processing, matching the two formats, and converting the formats.
The knee joint image enhancement module provided by the embodiment of the invention enhances the knee joint image through an image enhancement program, and comprises the following steps: the method comprises the steps of knee joint image geometric transformation, knee joint image normalization processing, knee joint image smoothing processing and knee joint image denoising and enhancing.
The embodiment of the invention provides a specific process for the geometric transformation of the knee joint image, which comprises the following steps: knee joint image mirroring, transposition, rotation and scaling transformation.
As shown in fig. 3, the specific process of denoising and enhancing the knee joint image provided by the embodiment of the present invention is as follows:
s101: and identifying and extracting noise image segments in the knee joint image, performing wavelet transformation on the image segments containing noise in a certain scale, and determining the modulus maximum value of the transformation coefficient in each scale.
S102: determining a corresponding threshold value, and removing maximum value points smaller than the threshold value from the maximum scale; and repeating the process until all the knee joint images are processed.
S103: and reconstructing the image through the wavelet coefficient corresponding to the reserved extreme point.
The knee joint image extraction module 8 provided by the embodiment of the invention extracts the knee joint features in the knee joint image through an image key feature extraction program in a specific process that:
establishing corresponding detection windows according to the positions of the distal femur end and the anterior and posterior condyles to be intercepted; normalizing the image in the detection window, and calculating the corresponding image gradient;
according to the calculated gradient data, performing weight projection on the gradient histogram of each image block; and reconstructing the histogram vectors corresponding to the overlapped image blocks into image feature vectors.
The knee joint image identification module provided by the embodiment of the invention identifies the knee joint image through an image matching identification program in the specific process that:
establishing the intercepted image characteristics of the distal femur and the anterior and posterior condyles, and generating corresponding distal femur and anterior and posterior condyles characteristic descriptors;
and performing feature matching identification on the two images according to the similarity of the characteristic descriptors of the distal femur and the anterior and posterior condyles.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The above description is only for the purpose of illustrating the present invention and the appended claims are not to be construed as limiting the scope of the invention, which is intended to cover all modifications, equivalents and improvements that are within the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. The utility model provides a distal femur and anterior-posterior condyle measuring, positioning and osteotomy device for knee arthroplasty which characterized in that, a distal femur and anterior-posterior condyle measuring, positioning and osteotomy device for knee arthroplasty is provided with:
the tibia osteotomy module is used for osteotomy of the tibia by using tibia osteotomy equipment according to the knee joint data analysis result;
the femur front condyle osteotomy module is used for carrying out osteotomy on the femur front condyle by utilizing the femur front condyle osteotomy equipment according to the knee joint data analysis result;
the femoral posterior condyle osteotomy module is used for osteotomy of the femoral posterior condyle by utilizing femoral posterior condyle osteotomy equipment according to the knee joint data analysis result;
the measurement module is used for acquiring information related to the knee joint of the human body through medical image acquisition equipment and preprocessing and deeply processing the image;
the data processing module is used for establishing a corresponding model for positioning according to the acquired medical image and the information of the knee joint of the human body; and the wireless device is connected with the cloud server to realize data interaction and big data processing.
2. The device of claim 1, wherein the measuring module is provided with:
the knee joint image importing module imports a knee joint image through an image importing program; the knee joint image enhancement module enhances the knee joint image through an image enhancement program;
the knee joint image extraction module extracts knee joint features in the knee joint image through an image key feature extraction program; the knee joint image identification module identifies the knee joint image through an image matching identification program.
3. The apparatus of claim 2, wherein the knee image importing module is configured to import the knee image by an image importing procedure comprising:
determining the format of the knee joint image data to be imported and the format of knee joint image data processing, matching the two formats, and converting the formats.
4. The distal femur and anterior and posterior condylar survey positioning osteotomy device of claim 2, wherein said knee image enhancement module for enhancing knee images by an image enhancement procedure comprises: the method comprises the steps of knee joint image geometric transformation, knee joint image normalization processing, knee joint image smoothing processing and knee joint image denoising and enhancing.
5. The device of claim 4, wherein the knee image geometry transformation comprises: knee joint image mirroring, transposition, rotation and scaling transformation.
6. The distal femur and anterior and posterior condylar survey positioning osteotomy device for knee arthroplasty of claim 4, wherein the knee joint image denoising and enhancing specific process comprises:
identifying and extracting noise image segments in the knee joint image, performing wavelet transformation of a certain scale on the image segments containing the noise, and determining a modulus maximum value of a transformation coefficient on each scale;
determining a corresponding threshold value, and removing maximum value points smaller than the threshold value from the maximum scale; repeating the above process until the processing of all the knee joint images is completed; and reconstructing the image through the wavelet coefficient corresponding to the reserved extreme point.
7. The device for femur distal and anterior and posterior condyles measurement positioning osteotomy for knee arthroplasty according to claim 2, wherein the knee joint image extraction module extracts knee joint features in the knee joint image through an image key feature extraction procedure by:
establishing corresponding detection windows according to the positions of the distal femur end and the anterior and posterior condyles to be intercepted; normalizing the image in the detection window and calculating the corresponding image gradient;
according to the calculated gradient data, performing weight projection on the gradient histogram of each image block; and reconstructing the histogram vectors corresponding to the overlapped image blocks into image feature vectors.
8. The device as claimed in claim 2, wherein the knee joint image recognition module performs the knee joint image recognition process by an image matching recognition program by:
establishing the intercepted image characteristics of the distal femur and the anterior and posterior condyles, and generating corresponding distal femur and anterior and posterior condyles characteristic descriptors;
and performing feature matching identification on the two images according to the similarity of the distal femur and the anterior and posterior condyle feature descriptors.
9. A computer program product stored on a computer readable medium, comprising a computer readable program for providing a user input interface for implementing the distal femoral and anterior-posterior condylar measurement and positioning osteotomy device for knee arthroplasty of any one of claims 1-8 when executed on an electronic device.
10. A computer readable storage medium storing instructions that, when executed on a computer, cause the computer to perform the distal femoral and anterior-posterior condylar survey positioning osteotomy apparatus for knee arthroplasty as claimed in any one of claims 1-8.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210807987.2A CN115252047A (en) | 2022-07-11 | 2022-07-11 | Femur distal end and anterior and posterior condyles measuring, positioning and osteotomy device for knee joint replacement |
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| CN202210807987.2A CN115252047A (en) | 2022-07-11 | 2022-07-11 | Femur distal end and anterior and posterior condyles measuring, positioning and osteotomy device for knee joint replacement |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115399834A (en) * | 2022-11-02 | 2022-11-29 | 北京壹点灵动科技有限公司 | Data processing method and device based on operation spreader |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115399834A (en) * | 2022-11-02 | 2022-11-29 | 北京壹点灵动科技有限公司 | Data processing method and device based on operation spreader |
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