CN113576639B - Auxiliary plate for reconstruction of sacral canal rear wall and use method thereof - Google Patents
Auxiliary plate for reconstruction of sacral canal rear wall and use method thereof Download PDFInfo
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- CN113576639B CN113576639B CN202110981227.9A CN202110981227A CN113576639B CN 113576639 B CN113576639 B CN 113576639B CN 202110981227 A CN202110981227 A CN 202110981227A CN 113576639 B CN113576639 B CN 113576639B
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- auxiliary plate
- plate body
- clamping groove
- sacral canal
- sacral
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- 238000000034 method Methods 0.000 title abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 8
- 210000000988 bone and bone Anatomy 0.000 claims description 12
- 238000009423 ventilation Methods 0.000 claims description 5
- 230000008569 process Effects 0.000 abstract description 7
- 230000002950 deficient Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 11
- 208000031513 cyst Diseases 0.000 description 10
- 206010011732 Cyst Diseases 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 238000001356 surgical procedure Methods 0.000 description 4
- 210000003205 muscle Anatomy 0.000 description 3
- 208000008035 Back Pain Diseases 0.000 description 2
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 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
- 230000004075 alteration Effects 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
- 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
- 210000005036 nerve Anatomy 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000005180 public health Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 208000005801 spondylosis Diseases 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Transplantation (AREA)
- Rheumatology (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Neurology (AREA)
- Surgical Instruments (AREA)
Abstract
The invention provides an auxiliary plate for reconstructing the rear wall of a sacral canal, which 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 suture rings are arranged at the midline position; one end of the auxiliary plate body is smaller than the width of the other end; clamping grooves are respectively arranged along two side edges of the auxiliary plate body, and a plurality of fixing lock holes are formed in 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 clamping groove angle can be adjusted within a certain range, the applicability of the auxiliary plate is enhanced, the fixing lock hole and the anti-slip particles ensure the convenience and stability of operation in the surgical process, after the auxiliary plate is fixed, the central line suture ring participates in the suture process, the auxiliary plate is further ensured not to run after the suture, and the fixation is good. The auxiliary plate can be perfectly attached to and embedded in the rear wall of the defective sacral canal.
Description
Technical Field
The invention relates to the technical field of sacral canal surgery, in particular to a sacral canal rear wall reconstruction auxiliary plate and a use method thereof.
Background
"lumbosacral pain" has become a more common discomfort symptom affecting public health, and a representative disease of "lumbosacral pain" is a sacral cyst. The incidence rate of the sacral canal cyst can be better than that of shoulder cervical spondylosis and lumbar disc herniation, and is gradually valued by vast medical workers.
Aiming at the treatment mode of the sacral canal cyst, the expert consensus basically abandons the rough treatment method of local puncture aspiration and drainage, and the minimally invasive open surgery is considered to be very necessary. According to whether nerve roots are contained in the cysts or not, the clinical classification of the sacral canal cysts is divided into two main types, and a surgery mode with stronger pertinence is adopted aiming at the sacral canal cysts of different clinical types. However, no matter what minimally invasive open surgical mode is adopted, the posterior wall of the sacrum canal needs to be opened to perform the sacral canal cyst surgery.
After the posterior wall of the sacral canal is opened, if the bone plate is thicker, a titanium connecting piece or skull lock is generally used for perfect reconstruction reduction. However, if the patient suffers from a sacral canal posterior wall bone defect due to congenital development of the patient or long-term compression after a sacral canal cyst, or a sacral canal posterior wall bone defect after repeated operations, the patient also requires bony support at the posterior portion of the sacral canal and local skin not to collapse.
Disclosure of Invention
In order to solve the problems, the invention provides a 'osseous' supporting structure for reconstructing the rear wall of a sacral canal, namely a sacral canal rear 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 clamping groove angle can be adjusted within a certain range, the applicability of the auxiliary plate is enhanced, a fixing lock hole and anti-skid particles ensure the convenience and stability of operation process, after the auxiliary plate is fixed, a central line suture ring participates in a suture process, the auxiliary plate is further ensured not to run after the suture, and the fixity is good. The auxiliary plate can be perfectly attached and embedded to the rear wall of the defective sacral canal,
the technical scheme of the invention is as follows:
the 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 suture rings are arranged at the midline position; one end of the auxiliary plate body is smaller than the width of the other end; clamping grooves are respectively arranged along two side edges of the auxiliary plate body, and a plurality of fixing lock holes are formed in the clamping grooves.
Preferably, the clamping groove comprises a clamping groove back side surface, a clamping groove bottom side surface and a flexible blade; the two sides of the flexible blade are respectively connected with the side edge of the auxiliary plate body and the side edge of the back side face of the clamping groove; the other side of the back side surface of the clamping groove is connected with one side of the side surface of the bottom of the clamping groove; the fixed lock holes are positioned on the back side face of the clamping groove.
Preferably, the inner side surfaces of the back side surface of the clamping groove and the side surface of the bottom of the clamping groove, which are contacted with the bone, are provided with a plurality of anti-slip particles.
Preferably, the fixing lock 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 ventilation holes.
A method for using a sacral canal posterior wall reconstruction assisting plate, comprising the following steps:
1. embedding the auxiliary plate body between faults with defects of the rear wall of the sacral canal, wherein the bottom end width of the auxiliary plate body is smaller than the top end width when the auxiliary plate is placed;
2. the clamping grooves clamp bones at 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 central line suture ring participates in suture during operation suture, and after the rear wall of the sacral canal is repaired and rebuilt, muscle tissues at two sides of the sacral canal are tightly sutured with the central line position of the auxiliary plate body 1.
The invention has the technical effects that:
1. the auxiliary plate body can be personally designed according to the defect of the rear 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 blade, has strong applicability and is convenient for operation.
3. The anti-slip particles, the fixing lock holes and the screws help to fix the auxiliary plate body and the sacral canal.
4. The midline suture ring participates in the operation suture process, ensures that the auxiliary plate does not run after suture, and further helps the recovery of the sacral canal operation.
The auxiliary plate can be perfectly embedded between the broken layers of the sacral canal rear wall defect and is in a firm locking state, so that the operation is convenient, and the problem of the sacral canal rear wall bone defect in the sacral canal cyst operation is solved.
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 midline suture ring 1.1; ventilation holes 1.2; a clamping groove 2; a fixed lock hole 3; the back side surface of the clamping groove is 2.1; the side surface of the bottom of the clamping groove is 2.2; 2.3 of a ductile blade; anti-slip particles 4; and a screw 5.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in fig. 1-2, the auxiliary plate for reconstructing the back wall of the sacral canal comprises an auxiliary plate body, wherein the auxiliary plate body 1 is in an arc plate shape, an arc top is positioned at a central line position between two sides of the auxiliary plate body 1, the central line position is raised, the radian of an arc surface formed by the auxiliary plate body 1 is 5-10 degrees, meanwhile, a plurality of ventilation holes 1.2 are formed in the auxiliary plate body 1, and the distance between every two adjacent ventilation holes 1.2 is about 6 mm. After repairing and reconstructing the rear wall of the sacral canal, closely suturing muscle tissues at two sides of the sacral canal with the midline position of the auxiliary plate body 1, and fixing the position of the auxiliary plate body 1; 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 shape of the sacral canal, the width of the top end is larger than the width of the bottom end; clamping grooves 2 are respectively formed in the two side edges of the auxiliary plate body 1, 3 fixing lock holes 3 are formed in the clamping grooves 2, the fixing lock holes 3 are provided with screws, and the screws can penetrate into the fixing lock holes 3 of one side from the fixing lock holes 3 of the other side.
The clamping groove 2 is required to be suitable for the thickness of the bone on the fault side of the sacral canal rear wall of a patient, and comprises a clamping groove back side surface 2.1, a clamping groove bottom side surface 2.2 and a ductile blade 2.3; the width of the back side surface 2.1 of the clamping groove is generally about 8 mm; two sides of the ductile blade 2.3 are respectively connected with the side edge of the auxiliary plate body 1 and one side of the clamping groove back side surface 2.1; the other side of the back side surface 2.1 of the clamping groove is connected with one side of the side surface 2.2 of the bottom of the clamping groove; the fixing lock holes 3 are positioned on the back side face 2.1 of the clamping groove.
The inner side surfaces of the clamping groove back side surface 2.1 and the clamping groove bottom side surface 2.2, which are contacted with bone, are respectively provided with a plurality of anti-slip 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 above embodiment, a method for using the auxiliary plate for reconstructing the posterior wall of the sacral canal comprises the following steps:
1) Embedding the auxiliary plate body 1 into a fault space with a sacral canal rear wall defect, wherein the bottom end width of the auxiliary plate body 1 is smaller than the top end width when the auxiliary plate is placed;
2) The positions of the back side surface 2.1 of the clamping groove and the side surface 2.2 of the bottom of the clamping groove, which are in contact with bone of the sacral canal, are adjusted through bending of the flexible blades, the clamping groove 2 clamps bone on two sides of the sacral canal, after clamping, a screw 5 is penetrated from a fixed lock hole 3 on the back side surface 2.1 of the clamping groove on one side to a fixed 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 and the sacral canal are fixed, the central line suture ring 1.1 participates in suture during operation suture, and after the posterior wall of the sacral canal is repaired and rebuilt, muscle tissues at two sides of the sacral canal are tightly adhered to the central line of the auxiliary plate body 1 for suture through the central line suture ring 1.1.
According to the auxiliary material disclosed by the invention, all parts are made of nonmetallic materials, and PEEK (polyether ether ketone is a special engineering plastic with excellent performances such as high temperature resistance, self lubrication, easiness in processing and high mechanical strength) or PEEK-like materials with hardness weaker than that of skull repair can be generally used. The thickness of the ductile blade may be thinner than the material of other parts to achieve better toughness. The auxiliary plate can be integrally formed or assembled among all the components. When the auxiliary plate is manufactured, personalized design is firstly carried out according to imaging data such as CT, MRI and the like of a patient before operation, so that the auxiliary plate can be perfectly embedded between fracture layers of the sacral canal rear wall defect and is in a firm locking state. The auxiliary plate for reconstructing the posterior wall of the sacral canal is applied to all operation processes of the sacral tail operation or similar operations which need to perfectly reconstruct the posterior wall of the sacral canal in the field of micro-neurosurgery.
The auxiliary plate can be individually designed according to the defect of the rear wall of the sacral canal, so that the auxiliary plate is more matched with the sacral canal. The clamping groove has the advantages that the clamping groove has an adjustable range between the back side surface of the clamping groove and the auxiliary plate body through the toughness of the tough blade, so that the applicability is strong, and the operation is convenient. The anti-slip particles, the fixing lock holes and the screws help to fix the auxiliary plate body and the sacral canal. The midline suture ring participates in the operation suture process, ensures that the auxiliary plate does not run after suture, and further helps the recovery of the sacral canal operation.
The auxiliary plate can be perfectly embedded between the broken layers of the sacral canal rear wall defect and is in a firm locking state, so that the operation is convenient, the problem of the sacral canal rear wall bone defect in the sacral canal cyst operation is solved, meanwhile, the auxiliary plate has good biocompatibility with a human body, and the implementation of auxiliary examination and treatment measures such as strong magnetism in the future is not influenced.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (6)
1. The auxiliary plate for reconstructing the sacral canal rear wall is characterized by comprising an auxiliary plate body (1), wherein the auxiliary plate body (1) is in an arc plate shape, an arc top is positioned at a central line 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 formed in the clamping grooves (2);
the clamping groove (2) comprises a clamping groove back side surface (2.1), a clamping groove bottom side surface (2.2) and a flexible blade (2.3); two sides of the flexible blade (2.3) are respectively connected with one side 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 side surface (2.2) of the bottom of the clamping groove; the fixed lock holes (3) are positioned on the back side surface (2.1) of the clamping groove.
2. The sacral canal back wall reconstruction assisting plate according to claim 1, wherein the inner side surfaces of the clamping groove back side surface (2.1) and the clamping groove bottom side surface (2.2) which are contacted with bone are provided with a plurality of anti-slip particles (4).
3. The sacral canal posterior wall reconstruction assisting plate according to claim 1, characterized in that the fixation locking hole (3) is provided with a screw (5).
4. The sacral canal backwall reconstruction auxiliary plate according to claim 1, wherein the clamping groove back side surface (2.1) forms an included angle of 45 ° -135 ° with the auxiliary plate body (1).
5. The sacral canal posterior wall reconstruction auxiliary plate according to claim 1, wherein the auxiliary plate body (1) has an arc of 5 ° -10 °.
6. The sacral canal posterior wall reconstruction auxiliary plate according to any one of claims 1-5, wherein the auxiliary plate body (1) is provided with a plurality of ventilation holes (1.2).
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 |
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| Publication Number | Publication Date |
|---|---|
| CN113576639A CN113576639A (en) | 2021-11-02 |
| CN113576639B true CN113576639B (en) | 2023-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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| Title |
|---|
| 计算机辅助下高位骶骨肿瘤的精确切除与缺损部位的重建;丁焕文等;中国骨与关节杂志;第2卷(第9期);第484-489页 * |
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| Publication number | Publication date |
|---|---|
| CN113576639A (en) | 2021-11-02 |
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