CN107049416A - A kind of mandibular neoplasms excision takes self-iliac bone grafting guide plate external member - Google Patents
A kind of mandibular neoplasms excision takes self-iliac bone grafting guide plate external member Download PDFInfo
- Publication number
- CN107049416A CN107049416A CN201710191266.2A CN201710191266A CN107049416A CN 107049416 A CN107049416 A CN 107049416A CN 201710191266 A CN201710191266 A CN 201710191266A CN 107049416 A CN107049416 A CN 107049416A
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- China
- Prior art keywords
- guide plate
- bone
- bone grafting
- ilium
- external member
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- A61B17/16—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1732—Guides or aligning means for drills, mills, pins or wires for bone breaking devices
-
- 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
- A61B17/1635—Bone cutting, breaking or removal means other than saws, e.g. Osteoclasts; Drills or chisels for bones; Trepans for grafts, harvesting or transplants
-
- 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
- A61B17/1657—Bone breaking devices
-
- 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
- A61B17/17—Guides or aligning means for drills, mills, pins or wires
- A61B17/1739—Guides or aligning means for drills, mills, pins or wires specially adapted for particular parts of the body
Abstract
Self-iliac bone grafting guide plate external member, including mandibular neoplasms excision is taken to take self-iliac bone grafting guide plate external member to take the free repairing type guide plate of bone conduction plate, ilium and free bone bone grafting positioning guide plate including lower jaw osteotomy guide plate, ilium the present invention relates to a kind of excision of mandibular neoplasms.Implement the embodiment of the present invention, have the advantages that：After guide plate external member, the differentiation of experience in surgical can not only be eliminated, and osteotomy can be accurately controlled via Design of digital in the preoperative, the orientation and angle of bone, bone grafting is taken, organize doctor that modus operandi is discussed, operating time can be greatly shortened in art, reduce amount of bleeding, bone grafting is accomplished precisely to coincide, patient recovery times greatly reduce, and have the advantage that reduction postoperative complications, save the expense of convalescence.
Description
Technical field
Self-iliac bone grafting is taken to lead the present invention relates to a kind of lower jaw operation auxiliary member, more particularly to a kind of excision of mandibular neoplasms
Sleeve-board part.
Background technology
Patient oral cavity mandibular neoplasms influencer diet, appearance, health, general such operation is resection, cuts away lesion group
Transplanted after knitting using autologous bone.
In traditional surgical procedures, the surgical outcome of different doctors is all variant, the excision when lower jaw diseased region is cut off
Scope, angle, and autologous bone take bone scope, position, angle and last autologous bone bone grafting orientation to suffer from different knot
Really, during which because surgical wound has at two, and exist autologous bone take after bone with need repair lesion resection Region Matching degree
Need to repair repeatedly, final implantation, timeline is very long, and patient's bleeding amount is very big, and veteran doctor can not
Ensure that bone grafting can fit like a glove, causing the recovery time of patient increases.
The content of the invention
Technical problem to be solved of the embodiment of the present invention is, needs to repair repeatedly during for current lower jaw osteotomy, when
Between it is long, the problem of causing the recovery time of patient and increase, it is proposed that a kind of mandibular neoplasms excision takes self-iliac bone grafting guide plate set
Part.
In order to solve the above-mentioned technical problem, self-iliac bone grafting is taken the embodiments of the invention provide a kind of excision of mandibular neoplasms
Guide plate external member, mandibular neoplasms excision takes self-iliac bone grafting guide plate external member to include lower jaw osteotomy guide plate, ilium and takes bone conduction plate, ilium
The free repairing type guide plate of bone and free bone bone grafting positioning guide plate；Wherein：Lower jaw osteotomy guide plate includes：Guide plate matrix, with lower jaw
Bone tissue shape correspondence, and be U-shaped structure, medial surface laminating mandibular bony tissue；Reinforcement, projection is arranged at the outer of guide plate matrix
It is U-shaped structure on side surface, and width is less than the width of guide plate matrix；Osteotomy cutter groove, through reinforcement and guide plate matrix, if
It is placed on the both sides of U-shaped；Ilium takes bone conduction plate to include：Second guide plate matrix, for bending platy structure, medial surface laminating ilium table
Handle is formed with face, lateral surface；Take osteotome groove, be provided with it is multiple, it is right on the second guide plate matrix, and the second guide plate matrix
Should take osteotome groove both sides position lateral surface on be formed with lug boss；First connector, the first connector, which is arranged at, takes osteotome
The tie point of segmentation the second guide plate matrix of groove, to prevent the second guide plate matrix from scattering；The free repairing type guide plate of ilium includes：The
Three guide plate matrixes, are warp architecture, and at least provided with one piece, one side surface is molded according to the shape of dental arch outer surface, wherein
Between position be formed with opening, and the position of opening is slope；Second connector, connects multiple 3rd guide plate matrixes respectively, with
It is fixed；Free bone bone grafting positioning guide plate includes：Base, for bending list structure；Fixed column, along base upper table upwardly
Extension；Support member, is arranged at the one end of fixed column away from base, is L-type structure, and bottom is connected post, and opening is towards inner side
Direction.
Wherein, osteotomy cutter groove is with taking the width of osteotome groove to be 0.7 millimeter.
Wherein, in lower jaw osteotomy guide plate, the width of reinforcement is not more than 1/2nd of the width of guide plate matrix, strengthens
The thickness of muscle is not less than the thickness of guide plate matrix.
Wherein, in free bone bone grafting positioning guide plate, support member be provided with it is multiple, and be arranged at intervals, fixed column with support
The quantity of part is identical, and multiple fixed columns be arranged in parallel.
Wherein, lower jaw osteotomy guide plate, ilium take the free repairing type guide plate of bone conduction plate, ilium and the positioning of free bone bone grafting to lead
Plate is respectively the integrated formed structure of 3D printing.
Wherein, in ilium takes bone conduction plate, handle, which is located at, to be taken at osteotome groove, and handle is not connected with the second guide plate matrix, shape
Overarch structure.
Wherein, in ilium dissociates repairing type guide plate, the second connector includes connection strap and connecting pole, every one the 3rd guide plate
Matrix connects at least one connecting pole, side of the connection strap connection connecting pole away from the 3rd guide plate matrix；
Wherein, the 3rd one end of guide plate matrix away from the second connector is connected by fixed strip.
Implement the embodiment of the present invention, have the advantages that：After guide plate external member, surgical can not only be eliminated
The differentiation of middle experience, and can accurately control osteotomy via Design of digital in the preoperative, take the orientation and angle of bone, bone grafting,
Organize doctor that modus operandi is discussed, operating time can be greatly shortened in art, reduce amount of bleeding, bone grafting is accomplished into accurate kiss
Close, patient recovery times greatly reduce, have the advantage that reduction postoperative complications, save the expense of convalescence.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the lower jaw osteotomy guide plate in one embodiment of the invention；
Fig. 2 is the structural representation that ilium in one embodiment of the invention takes bone conduction plate；
Fig. 3 is that ilium in one embodiment of the invention dissociates the structural representation of repairing type guide plate；
Fig. 4 is the structural representation of the free bone bone grafting positioning guide plate in one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
In the present invention, mandibular neoplasms excision takes self-iliac bone grafting guide plate external member to include lower jaw osteotomy guide plate, ilium and taken
The free repairing type guide plate of bone conduction plate, ilium and free bone bone grafting positioning guide plate.
Fig. 1 is referred to, Fig. 1 is the structural representation for inventing the lower jaw osteotomy guide plate in an embodiment.The mandibular neoplasms are cut
Include guide plate matrix 11, reinforcement 12 and osteotomy cutter groove 13 except self-iliac bone grafting guide plate external member is taken.
Guide plate matrix 11 is corresponding with mandibular bony tissue shape, and is U-shaped structure, medial surface laminating mandibular bony tissue.Strengthen
The projection of muscle 12 is arranged on the outer surface of guide plate matrix 11, is similarly U-shaped structure, and width is less than the width of guide plate matrix 11
Degree.Reinforcement 12 is preferably placed at the centre position of osteotomy guide plate, and end is concordant with the end of reinforcement 12.In preferred embodiment
In, the width of reinforcement 12 is not more than 1/2nd of the width of guide plate matrix 11, and the thickness of reinforcement 12 is not less than guide plate
The thickness of matrix 11.Osteotomy cutter groove 13 is arranged on the both sides of U-shaped through reinforcement 12 and guide plate matrix 11.Wherein, osteotome
The width of groove 13 is 0.7 millimeter.
Wherein, guide plate matrix 11, reinforcement 12 and osteotomy cutter groove 13 are the integrated formed structure of 3D printing.
After osteotomy guide plate, the differentiation of experience in surgical can not only be eliminated, and can be in the preoperative via number
The orientation and angle of the accurate control osteotomy of wordization design, tissue doctor discuss modus operandi, operation can be greatly shortened in art
Time, amount of bleeding is reduced, bone grafting is accomplished precisely to coincide, patient recovery times greatly reduce, and have the advantage that reduction is postoperative
Complication, saves the expense of convalescence.Noting however that, each osteotomy guide plate belongs to designed for individual patients
Propertyization customizes body, is only used for a patient.
Refer to Fig. 2, Fig. 2 is the structural representation that ilium in one embodiment of the invention takes bone conduction plate.The ilium takes bone
Guide plate includes the second guide plate matrix 21, takes the connector 24 of osteotome groove 23 and first.
Second guide plate matrix 21 is formed with handle 22 to bend on platy structure, medial surface laminating ilium surface, lateral surface.
Handle 22 is preferably perpendicular to the lateral surface of connected second guide plate matrix 21.Osteotome groove 23 is taken to be provided with multiple, through
Correspondence takes and is formed with projection on the lateral surface of the position of the both sides of osteotome groove 23 on two guide plate matrixes 21, and the second guide plate matrix 21
Portion.Wherein, the width for taking osteotome groove 23 is 0.7 millimeter.It is multiple to take osteotome groove 23 second guide plate matrix 21 are divided into polylith.
First connector 24 is arranged at the tie point for the second guide plate of the segmentation matrix 21 for taking osteotome groove 23, to prevent the second guide plate matrix 21
Scatter.Wherein, the first connector 24 is circular plate type structure.
It is preferred that, handle 22, which is located at, to be taken at osteotome groove 23, and handle 22 is not connected with the second guide plate matrix 21, forms arch knot
Structure.
Wherein, the second guide plate matrix 21, the first connector 24 and take osteotome groove 23 be 3D printing integrated formed structure.
When in use, handle 22 is held, the medial surface of the second guide plate matrix 21 is fitted ilium surface, then scalpel edge
And take osteotome groove 23 to cut, positioning is accurate, be not in dislocation.Also, take osteotome groove 23 also to form predetermined angle.
Refer to Fig. 3, Fig. 3 is that ilium in one embodiment of the invention dissociates the structural representation of repairing type guide plate.The ilium
The free repairing type guide plate of bone includes the 3rd guide plate matrix 31, the second connector 32 and fixed strip 33.
3rd guide plate matrix 31 is warp architecture, at least provided with one piece.One side surface of the 3rd guide plate matrix 31 according to
The shape shaping of dental arch outer surface, intermediate position is formed with opening 311, and the position of opening 311 is slope.Slope by
An as little as a height of side surface for being laterally away from dental arch by the dental arch that reclines extends.Second connector 32 connects multiple three respectively
Guide plate matrix 31, to be fixed.Wherein, the second connector 32 includes connection strap 321 and connecting pole 322, every one the 3rd guide plate
Matrix 31 connects at least one connecting pole 322, side of the connection connecting pole 322 of connection strap 321 away from the 3rd guide plate matrix 31.
In addition, in the present embodiment, the one end of the 3rd guide plate matrix 31 away from the second connector 32 is connected by fixed strip 33.
Wherein, the 3rd guide plate matrix 31, the second connector 32 and fixed strip 33 are the integrated formed structure of 3D printing.
When in use, the downside of the 3rd guide plate matrix 31 contradicts dental arch or removed and is ready for bone grafting or carries out
The bottom of the ilium of bone grafting, its inner surface contradicts dental arch or has removed the ilium for being ready for bone grafting or carrying out bone grafting
Outer surface, opening 311 at ilium can be repaired, to reach predetermined shape.
Ilium free bone repairing type guide plate is completely according to individual patients bone characteristic Design, and the 3rd guide plate matrix 31 is used to fix
Bone characteristic point, the second connector 32 is used for the 3rd guide plate matrix 31 for strengthening, combining connection piecemeal, the position of middle opening 311
Belong to slope, height and position reference planes during for repairing type mainly act on unnecessary protrusion bone face, reached with dental arch always,
Face's effect attractive in appearance.
Refer to Fig. 4, Fig. 4 is the structural representation of the free bone bone grafting positioning guide plate in one embodiment of the invention.The trip
Include base 41, fixed column 42 and support member 43 from bone bone grafting positioning guide plate.
Base 41 is bending list structure.Upper surface of the fixed column 42 along base 41 is upwardly extended.Support member 43 is arranged at
The one end of fixed column 42 away from base 41, is L-type structure, and bottom is connected post 42, and opening is towards inner side direction.
In the present embodiment, support member 43 is provided with 4, and is arranged at intervals, fixed column 42 and the quantity phase of support member 43
Together.Wherein, multiple fixed columns 42 be arranged in parallel.In other embodiments, support member 43 can basis with the quantity of fixed column 42
Need to be changed.
Wherein, base 41, fixed column 42 and support member 43 are the integrated formed structure of 3D printing.
When in use, base 41 provides support, and the support member 43 of marginal position, which is supported on, needs the side of bone grafting position, then
Bone tissue to be implanted (i.e. free bone) is resisted against on the support member 43 of center section.That is, 4 L-type parts are used respectively
In the positioning of remaining bone and the positioning of free bone after lower jaw excision.Then titanium plate can be fixed with traditional approach, after fixing i.e.
Positioning guide plate can be removed.It should be noted that support member 43 will reserve titanium plate installing space between free bone.
Aforementioned four guide plate is used successively, can save the plenty of time in whole mandibular neoplasms excision bone grafting operation, under
Cutter position is accurate, and bone tissue matching degree is high.Therefore, the guide plate external member of aforementioned four guide plate composition cuts off bone grafting hand in mandibular neoplasms
Act on very big in art.
The guide plate external member of the present invention belongs to the personalized customization body designed for individual patients, and each group of guide plate external member can only
For a patient.
Implement the embodiment of the present invention, have the advantages that：After guide plate external member, surgical can not only be eliminated
The differentiation of middle experience, and can accurately control osteotomy via Design of digital in the preoperative, take the orientation and angle of bone, bone grafting,
Organize doctor that modus operandi is discussed, operating time can be greatly shortened in art, reduce amount of bleeding, bone grafting is accomplished into accurate kiss
Close, patient recovery times greatly reduce, have the advantage that reduction postoperative complications, save the expense of convalescence.
These are only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (8)
1. a kind of mandibular neoplasms excision takes self-iliac bone grafting guide plate external member, it is characterised in that the mandibular neoplasms excision is derived from
Body iliac bone graft guide plate external member includes lower jaw osteotomy guide plate, ilium and takes the free repairing type guide plate of bone conduction plate, ilium and free bone
Bone grafting positioning guide plate, wherein：
The lower jaw osteotomy guide plate includes：
Guide plate matrix, it is corresponding with mandibular bony tissue shape, and be U-shaped structure, the medial surface laminating mandibular bony tissue；
Reinforcement, projection is arranged on the outer surface of the guide plate matrix, is U-shaped structure, and width is less than the guide plate base
The width of body；
Osteotomy cutter groove, through the reinforcement and the guide plate matrix, is arranged on the both sides of U-shaped；
The ilium takes bone conduction plate to include：
Second guide plate matrix, handle is formed with to bend on platy structure, medial surface laminating ilium surface, lateral surface；
Take osteotome groove, be provided with it is multiple, on the second guide plate matrix, and the second guide plate matrix correspondence described in take bone
Lug boss is formed with the lateral surface of the position of cutter groove both sides；
First connector, first connector is arranged at the connection of segmentation the second guide plate matrix for taking osteotome groove
Point, to prevent the second guide plate matrix from scattering；
The free repairing type guide plate of the ilium includes：
3rd guide plate matrix, is warp architecture, at least provided with one piece, one side surface according to dental arch outer surface shape into
Type, intermediate position is formed with opening, and the position of the opening is slope；
Second connector, connects multiple 3rd guide plate matrixes, to be fixed respectively；
The free bone bone grafting positioning guide plate includes：
Base, for bending list structure；
Fixed column, is upwardly extended along the upper surface of the base；
Support member, is arranged at the one end of the fixed column away from the base, is L-type structure, and bottom connects the fixed column, opened
Mouthful towards inner side direction.
2. mandibular neoplasms excision as claimed in claim 1 takes self-iliac bone grafting guide plate external member, it is characterised in that the osteotomy
Cutter groove is 0.7 millimeter with the width for taking osteotome groove.
3. mandibular neoplasms excision as claimed in claim 1 takes self-iliac bone grafting guide plate external member, it is characterised in that under described
In jaw osteotomy guide plate, the width of the reinforcement is not more than 1/2nd of the width of the guide plate matrix, the reinforcement
Thickness is not less than the thickness of the guide plate matrix.
4. mandibular neoplasms excision as claimed in claim 1 takes self-iliac bone grafting guide plate external member, it is characterised in that in the trip
From in bone bone grafting positioning guide plate, the support member is provided with multiple, and is arranged at intervals, the fixed column and the number of the support member
Amount is identical, and multiple fixed columns be arranged in parallel.
5. mandibular neoplasms excision as claimed in claim 1 takes self-iliac bone grafting guide plate external member, it is characterised in that the lower jaw
Osteotomy guide plate, the ilium take the free repairing type guide plate of bone conduction plate, the ilium and the free bone bone grafting positioning guide plate point
Not Wei 3D printing integrated formed structure.
6. mandibular neoplasms excision as claimed in claim 1 takes self-iliac bone grafting guide plate external member, it is characterised in that in the ilium
Bone is taken in bone conduction plate, and the handle is taken at osteotome groove positioned at described, and the handle is not connected with the second guide plate matrix, is formed
Domes.
7. mandibular neoplasms excision as claimed in claim 1 takes self-iliac bone grafting guide plate external member, it is characterised in that in the ilium
Bone dissociates in repairing type guide plate, and second connector includes connection strap and connecting pole, each 3rd guide plate matrix connection
At least one connecting pole, the connection strap connects the side of the connecting pole away from the 3rd guide plate matrix.
8. mandibular neoplasms excision as claimed in claim 7 takes self-iliac bone grafting guide plate external member, it is characterised in that the described 3rd
The one end of guide plate matrix away from second connector is connected by fixed strip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191266.2A CN107049416B (en) | 2017-03-28 | 2017-03-28 | A kind of excision of mandibular neoplasms takes self-iliac bone grafting guide plate external member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191266.2A CN107049416B (en) | 2017-03-28 | 2017-03-28 | A kind of excision of mandibular neoplasms takes self-iliac bone grafting guide plate external member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049416A true CN107049416A (en) | 2017-08-18 |
| CN107049416B CN107049416B (en) | 2019-10-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710191266.2A Active CN107049416B (en) | 2017-03-28 | 2017-03-28 | A kind of excision of mandibular neoplasms takes self-iliac bone grafting guide plate external member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171874A (en) * | 2018-09-10 | 2019-01-11 | 上海交通大学医学院附属第九人民医院 | A kind of management of pelvic bone tumor osteotomy guide plate |
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| WO2013165558A1 (en) * | 2012-05-03 | 2013-11-07 | DePuy Synthes Products, LLC | Surgical guides from scanned implant data |
| CN105726087A (en) * | 2016-04-26 | 2016-07-06 | 中山大学孙逸仙纪念医院 | Fibula cutting shaping positioner through 3D printing |
| CN105848593A (en) * | 2013-05-22 | 2016-08-10 | 诺贝尔生物服务公司 | Method for making a surgical guide for bone harvesting |
| CN205548622U (en) * | 2015-07-01 | 2016-09-07 | 德易达科技股份有限公司 | Lower jaw operation guide plate |
| CN205849519U (en) * | 2016-04-26 | 2017-01-04 | 中山大学孙逸仙纪念医院 | For repairing the guided plate that the 3D of bone graft and jawbone contact surface prints |
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2017
- 2017-03-28 CN CN201710191266.2A patent/CN107049416B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013165558A1 (en) * | 2012-05-03 | 2013-11-07 | DePuy Synthes Products, LLC | Surgical guides from scanned implant data |
| CN105848593A (en) * | 2013-05-22 | 2016-08-10 | 诺贝尔生物服务公司 | Method for making a surgical guide for bone harvesting |
| CN205548622U (en) * | 2015-07-01 | 2016-09-07 | 德易达科技股份有限公司 | Lower jaw operation guide plate |
| CN105726087A (en) * | 2016-04-26 | 2016-07-06 | 中山大学孙逸仙纪念医院 | Fibula cutting shaping positioner through 3D printing |
| CN205849519U (en) * | 2016-04-26 | 2017-01-04 | 中山大学孙逸仙纪念医院 | For repairing the guided plate that the 3D of bone graft and jawbone contact surface prints |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109171874A (en) * | 2018-09-10 | 2019-01-11 | 上海交通大学医学院附属第九人民医院 | A kind of management of pelvic bone tumor osteotomy guide plate |
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| Publication number | Publication date |
|---|---|
| CN107049416B (en) | 2019-10-01 |
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