CN113576639A - Sacral canal posterior wall reconstruction auxiliary plate and use method thereof - Google Patents
Sacral canal posterior wall reconstruction auxiliary plate and use method thereof Download PDFInfo
- Publication number
- CN113576639A CN113576639A CN202110981227.9A CN202110981227A CN113576639A CN 113576639 A CN113576639 A CN 113576639A CN 202110981227 A CN202110981227 A CN 202110981227A CN 113576639 A CN113576639 A CN 113576639A
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- auxiliary plate
- plate body
- sacral
- posterior
- sacral canal
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000007547 defect Effects 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 8
- 210000000988 bone and bone Anatomy 0.000 claims description 9
- 108010048734 sclerotin Proteins 0.000 claims description 5
- 210000003205 muscle Anatomy 0.000 claims description 4
- 238000009423 ventilation Methods 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 6
- 238000009958 sewing Methods 0.000 abstract description 3
- 206010011732 Cyst Diseases 0.000 description 10
- 208000031513 cyst Diseases 0.000 description 10
- 238000001356 surgical procedure Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 208000008035 Back Pain Diseases 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010050296 Intervertebral disc protrusion Diseases 0.000 description 1
- 206010041591 Spinal osteoarthritis Diseases 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 description 1
- 208000036319 cervical spondylosis Diseases 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
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- 238000003384 imaging method Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- 208000005801 spondylosis Diseases 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Images
Classifications
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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
- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/68—Internal fixation devices, including fasteners and spinal fixators, even if a part thereof projects from the skin
- A61B17/80—Cortical plates, i.e. bone plates; Instruments for holding or positioning cortical plates, or for compressing bones attached to cortical plates
- A61B17/808—Instruments for holding or positioning bone plates, or for adjusting screw-to-plate locking mechanisms
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/04—Surgical instruments, devices or methods, e.g. tourniquets for suturing wounds; Holders or packages for needles or suture materials
- A61B17/0401—Suture anchors, buttons or pledgets, i.e. means for attaching sutures to bone, cartilage or soft tissue; Instruments for applying or removing suture anchors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/28—Bones
- A61F2002/2835—Bone graft implants for filling a bony defect or an endoprosthesis cavity, e.g. by synthetic material or biological material
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2220/00—Fixations or connections for prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2220/0025—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements
- A61F2220/0075—Connections or couplings between prosthetic parts, e.g. between modular parts; Connecting elements sutured, ligatured or stitched, retained or tied with a rope, string, thread, wire or cable
Abstract
The invention provides a sacral canal back wall reconstruction auxiliary plate, which comprises an auxiliary plate body, wherein the auxiliary plate body is in an arc plate shape, an arc top is positioned at a central line position between two sides of the auxiliary plate body, and a plurality of central line sewing rings are arranged at the central line position; one end of the auxiliary plate body is smaller than the width of the other end of the auxiliary plate body; clamping grooves are respectively arranged along two side edges of the auxiliary plate body, and a plurality of fixing lock holes are arranged on the clamping grooves. The auxiliary plate comprises an auxiliary plate body for supporting and a clamping groove for fixing the auxiliary plate body and the sacral canal, wherein the angle of the clamping groove can be adjusted within a certain range, the applicability of the auxiliary plate is enhanced, the fixing lock hole and the anti-skid particles ensure the convenience and the stability of the operation in the operation process, after the auxiliary plate is fixed, the midline suture ring participates in the suture process, the auxiliary plate is further ensured not to run out after the suture, and the fixation is good. The auxiliary plate can be perfectly attached to the posterior wall of the sacral canal of the defect and can be embedded and fixed.
Description
Technical Field
The invention relates to the technical field of sacral canal surgery, in particular to a sacral canal posterior wall reconstruction auxiliary plate and a using method thereof.
Background
"lumbosacral pain" has become a common discomfort symptom affecting general health, and a representative disease of the "lumbosacral pain" is sacral cyst. The incidence of the sacral cyst can be higher than that of the shoulder cervical spondylosis and lumbar disc herniation, and is gradually valued by the majority of medical workers.
Aiming at the treatment mode of the sacral cyst, experts generally abandon a crude treatment method of local puncture aspiration drainage, and the minimally invasive open surgery is considered to be very necessary. The clinical classification of the sacral canal cyst is divided into two categories according to whether the cyst contains nerve roots or not, and a surgery mode with stronger pertinence is adopted for the sacral canal cyst with different clinical categories. However, no matter what minimally invasive open surgery method is adopted, the back wall of the sacral canal needs to be opened, and the sacral cyst surgery can be performed.
After the posterior wall of the sacral canal is opened, perfect reconstruction reduction is typically performed with titanium tabs or skull locks if the bone plate is thick. However, if the posterior sacral wall bone defect is caused by congenital development of the patient or long-term compression of the sacral cyst, or the posterior sacral wall bone defect is caused after repeated operations, the patient also requires the posterior sacral support and the local skin not to collapse.
Disclosure of Invention
In order to solve the problems, the invention provides a 'bony' supporting structure for reconstructing the posterior wall of a sacral canal, namely a sacral canal posterior wall reconstruction auxiliary plate, which comprises an auxiliary plate body for supporting and a clamping groove for fixing the auxiliary plate body and the sacral canal, wherein the angle of the clamping groove can be adjusted within a certain range, the applicability of the auxiliary plate is enhanced, a locking hole and anti-skid particles are fixed to ensure the convenience and stability of the operation in the operation process, and after the auxiliary plate is fixed, a midline suture ring participates in the suture process, so that the auxiliary plate is further ensured not to run off after the suture, and the fixation is good. The auxiliary plate can be perfectly attached to the back wall of the sacral canal of the defect and fixed in an embedded way,
the technical scheme of the invention is as follows:
a sacral canal back wall reconstruction auxiliary plate comprises an auxiliary plate body, wherein the auxiliary plate body is in an arc plate shape, an arc top is positioned at a midline position between two sides of the auxiliary plate body, and a plurality of midline sewing ring is arranged at the midline position; one end of the auxiliary plate body is smaller than the width of the other end of the auxiliary plate body; clamping grooves are respectively arranged along two side edges of the auxiliary plate body, and a plurality of fixing lock holes are arranged on the clamping grooves.
Preferably, the clamping groove comprises a clamping groove back side surface, a clamping groove bottom side surface and a flexible blade; two sides of the flexible blade are respectively connected with the side edge of the auxiliary plate body and one side of the back side surface of the clamping groove; the other side of the back side surface of the clamping groove is connected with one side of the bottom side surface of the clamping groove; the plurality of fixed lock holes are positioned on the back side surface of the clamping groove.
Preferably, the inner side surfaces of the back side surface and the bottom side surface of the clamping groove, which are in contact with the bone, are provided with a plurality of anti-skidding particles.
Preferably, the fixing locking hole is provided with a screw.
Preferably, an included angle of 45-35 degrees is formed between the back side surface of the clamping groove and the auxiliary plate body.
Preferably, the radian of the auxiliary plate body is 5-10 degrees.
Preferably, the auxiliary plate body is provided with a plurality of air holes.
A method of using a sacral posterior reconstruction auxiliary plate, comprising the steps of:
1. embedding the auxiliary plate body between the faultage of the sacral canal posterior wall defect, wherein the width of the bottom end of the auxiliary plate body is smaller than that of the top end when the auxiliary plate body is placed;
2. the clamping grooves clamp bones on two sides of the sacral canal, and the auxiliary plate body is fixed with the sacral canal by using the fixing lock holes;
3. after the auxiliary plate body and the sacral canal are fixed, the midline suture ring participates in the suture during surgical suture, and muscle tissues at two sides of the sacral canal and the midline position of the auxiliary plate body 1 are tightly attached and sutured after the posterior wall of the sacral canal is repaired and reconstructed.
The invention has the technical effects that:
1. the auxiliary plate body can be individually designed according to the defect of the posterior wall of the sacral canal, so that the auxiliary plate is more matched with the sacral canal.
2. The clamping groove realizes the adjustable range of an included angle of 45-135 degrees between the back side surface of the clamping groove and the auxiliary plate body through the toughness of the tough blades, and the clamping groove is high in applicability and convenient for operation.
3. The anti-slip particles, fixation locking holes and screws aid in the fixation of the auxiliary plate body to the sacral canal.
4. The midline suture ring participates in the surgical suture process, ensures that the auxiliary plate does not run out of position after being sutured, and further helps the recovery of the sacral canal surgery.
The auxiliary plate can be perfectly embedded into the fractured layer of the sacral canal posterior wall defect to be in a firm locking state, thereby being convenient for operation and solving the problem of sacral canal posterior wall bone defect in the sacral canal cyst operation.
Drawings
FIG. 1 is a front view of an embodiment of the present invention.
FIG. 2 is a rear view of an embodiment of the present invention.
In the figure: an auxiliary plate body 1; a middle thread is sewed and looped to 1.1; 1.2 of air holes; a card slot 2; a fixed lock hole 3; the back side surface of the clamping groove is 2.1; the bottom side surface of the clamping groove is 2.2; 2.3 of a flexible blade; anti-slip particles 4; and a screw 5.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
As shown in fig. 1-2, an auxiliary plate for reconstructing the posterior wall of a sacral canal comprises an auxiliary plate body, wherein the auxiliary plate body 1 is arc-shaped, the arc top is positioned at the central line position between two sides of the auxiliary plate body 1, the central line position is raised, the radian of the arc surface formed by the auxiliary plate body 1 is 5-10 degrees, meanwhile, a plurality of air holes 1.2 are arranged on the auxiliary plate body 1, and the distance between every two adjacent air holes 1.2 is about 6 mm. 6 middle thread sewing rings 1.1 are arranged at the middle line position, after the rear wall of the reconstructed sacral canal is repaired, muscle tissues at two sides of the sacral canal are closely adhered and sewed with the middle line position of the auxiliary plate body 1, and the position of the auxiliary plate body 1 is fixed; one end of the auxiliary plate body 1 is smaller than the width of the other end, and when the auxiliary plate body is placed along the sacral canal shape, the width of the top end is larger than that of the bottom end; clamping grooves 2 are respectively formed in two side edges of the auxiliary plate body 1, 3 fixing lock holes 3 are formed in the clamping grooves 2, screws are matched with the fixing lock holes 3, and the screws can penetrate into the other fixing lock hole 3 from the fixing lock hole 3 in one side.
The clamping groove 2 is required to be suitable for the thickness of the lateral sclerotin of the posterior wall fault of the sacrum of a patient, and comprises a clamping groove back side surface 2.1, a clamping groove bottom side surface 2.2 and a flexible blade 2.3; the width of the back side surface 2.1 of the clamping groove is about 8mm generally; two sides of the flexible blade 2.3 are respectively connected with the side edge of the auxiliary plate body 1 and one side of the back side surface 2.1 of the clamping groove; the other side of the back side surface 2.1 of the clamping groove is connected with one side of the bottom side surface 2.2 of the clamping groove; the fixed lock holes 3 are positioned on the back side surface 2.1 of the clamping groove.
The inner side surfaces of the back side surface 2.1 of the clamping groove and the bottom side surface 2.2 of the clamping groove, which are contacted with the bone, are provided with a plurality of anti-skid particles 4. An included angle of 45-135 degrees is formed between the back side surface 2.1 of the clamping groove and the auxiliary plate body 1.
According to the auxiliary plate structure of the embodiment, the use method of the sacral canal posterior reconstruction auxiliary plate comprises the following steps:
1) embedding the auxiliary plate body 1 into a fault of sacral canal posterior wall defect, wherein the width of the bottom end of the auxiliary plate body 1 is smaller than that of the top end when the auxiliary plate body is placed;
2) the positions of the back side surface 2.1 of the clamping groove and the bottom side surface 2.2 of the clamping groove, which are contacted with sacral canal sclerotin, are adjusted through bending of the flexible blades, the sacral canal sclerotin on two sides are clamped by the clamping groove 2, and after the sacral canal sclerotin is clamped, a screw 5 is threaded from a fixing lock hole 3 on the back side surface 2.1 of the clamping groove on one side to a fixing lock hole 3 on the back side surface 2.1 of the clamping groove on the other side, and is screwed and fixed;
3) after the auxiliary plate body 1 is fixed with the sacral canal, the midline suture ring 1.1 participates in the suture during the surgical suture, and the muscle tissues at the two sides of the sacral canal are closely attached to and sutured with the midline position of the auxiliary plate body 1 after the posterior wall of the sacral canal is repaired and reconstructed through the midline suture ring 1.1.
All parts of the auxiliary material are made of non-metal materials, and materials with hardness weaker than that of skull repair, such as PEEK (polyetheretherketone is a special engineering plastic with excellent properties of high temperature resistance, self lubrication, easy processing, high mechanical strength and the like) or PEEK-like materials can be generally used. The thickness of the flexible blade can be thinner than the material of other parts, so as to realize better flexibility. The auxiliary plate can be integrally formed or assembled by the components. When the auxiliary plate is manufactured, personalized design is firstly carried out according to the imaging data of CT, MRI and the like of a patient before an operation, so that the auxiliary plate can be perfectly embedded into the fracture layer with the defect of the posterior wall of the sacral canal and is in a firm locking state. The sacral canal posterior wall reconstruction auxiliary plate is applied to all sacral caudal surgical operation procedures needing perfect sacral canal posterior wall reconstruction in the field of micro neurosurgery or similar operations.
The auxiliary plate can be individually designed according to the defect of the posterior wall of the sacral canal, so that the auxiliary plate is more matched with the sacral canal. The clamping groove realizes that the back side surface of the clamping groove and the auxiliary plate body have an adjustable range through the toughness of the tough blades, so that the clamping groove is high in applicability and convenient for operation. Anti-slip particles, fixation locking holes and screws help to assist in fixation of the plate body to the sacral canal. The midline suture ring participates in the surgical suture process, ensures that the auxiliary plate does not run out of position after being sutured, and further helps the recovery of the sacral canal surgery.
The auxiliary plate can be perfectly embedded into the broken layer with the defect of the back wall of the sacral canal and is in a firm locking state, thereby being convenient for operation, solving the problem of the defect of the bone of the back wall of the sacral canal in the operation of the sacral canal cyst, having good biocompatibility with a human body and not influencing the implementation of future auxiliary examination and treatment measures such as strong magnetism and the like.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A sacral canal posterior reconstruction auxiliary plate is characterized by comprising an auxiliary plate body, wherein the auxiliary plate body (1) is arc-shaped, an arc top is positioned at the midline position between two sides of the auxiliary plate body (1),
a plurality of midline suture rings (1.1) are arranged at the midline position;
one end of the auxiliary plate body (1) is smaller than the width of the other end;
clamping grooves (2) are respectively arranged along two side edges of the auxiliary plate body (1), and a plurality of fixing lock holes (3) are arranged on the clamping grooves (2).
2. Auxiliary plate for posterior sacral reconstruction according to claim 1 wherein said notch (2) comprises a notch dorsal face (2.1), a notch bottom face (2.2) and a flexible blade (2.3); two sides of the flexible blade (2.3) are respectively connected with the side edge of the auxiliary plate body (1) and one side of the back side surface (2.1) of the clamping groove; the other side of the back side surface (2.1) of the clamping groove is connected with one side of the bottom side surface (2.2) of the clamping groove; the fixed lock holes (3) are positioned on the back side surface (2.1) of the clamping groove.
3. Auxiliary plate for posterior sacral reconstruction according to claim 2 wherein said dorsal (2.1) and bottom (2.2) sides of said groove are provided with anti-slip particles (4) on the inner side in contact with the bone.
4. Sacral posterior reconstruction aid plate according to claim 1, characterized by the fact that said fixation lock holes (3) are equipped with screws (5).
5. Auxiliary plate for posterior sacral reconstruction as in claim 1, wherein said posterior side of said groove (2.1) is angled 45 ° -135 ° with respect to said plate body (1).
6. A sacral posterior reconstruction auxiliary plate as in claim 1, wherein said auxiliary plate body (1) is curved at 5 ° -10 °.
7. Sacral posterior reconstruction auxiliary plate according to any of claims 1 to 6 wherein said auxiliary plate body (1) is provided with a plurality of ventilation holes (1.2).
8. A method of using a posterior sacral wall reconstruction auxiliary plate as in any one of claims 1 to 7, comprising the steps of:
1) embedding the auxiliary plate body (1) between the faultage of the sacral canal posterior wall defect, wherein the width of the bottom end of the auxiliary plate body (1) is less than that of the top end when the auxiliary plate body is placed;
2) the clamping grooves (2) clamp sclerotin on two sides of the sacral canal, and the auxiliary plate body (1) is fixed with the sacral canal by using the fixing lock holes;
3) after the auxiliary plate body (1) is fixed with the sacral canal, the midline suture ring (1.1) participates in suture during surgical suture, and muscle tissues at two sides of the sacral canal are tightly attached to and sutured with the midline position of the auxiliary plate body (1) after the posterior wall of the sacral canal is repaired and reconstructed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981227.9A CN113576639B (en) | 2021-08-25 | 2021-08-25 | Auxiliary plate for reconstruction of sacral canal rear wall and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110981227.9A CN113576639B (en) | 2021-08-25 | 2021-08-25 | Auxiliary plate for reconstruction of sacral canal rear wall and use method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113576639A true CN113576639A (en) | 2021-11-02 |
| CN113576639B CN113576639B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110981227.9A Active CN113576639B (en) | 2021-08-25 | 2021-08-25 | Auxiliary plate for reconstruction of sacral canal rear wall and use method thereof |
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| CN (1) | CN113576639B (en) |
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