CN107252364A - A kind of humerus model of 3D printing and preparation method thereof - Google Patents
A kind of humerus model of 3D printing and preparation method thereof Download PDFInfo
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- CN107252364A CN107252364A CN201710547255.3A CN201710547255A CN107252364A CN 107252364 A CN107252364 A CN 107252364A CN 201710547255 A CN201710547255 A CN 201710547255A CN 107252364 A CN107252364 A CN 107252364A
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- 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
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B34/00—Computer-aided surgery; Manipulators or robots specially adapted for use in surgery
- A61B34/10—Computer-aided planning, simulation or modelling of surgical operations
- A61B2034/101—Computer-aided simulation of surgical operations
- A61B2034/105—Modelling of the patient, e.g. for ligaments or bones
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- 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
- A61F2002/2853—Humerus
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Manufacturing & Machinery (AREA)
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The present invention is a kind of humerus model of 3D printing, and it includes broken bone within humeral shaft, proximal humerus, distal humerus, fracture face and/or 10 pieces；Wherein, the mirror image humerus structure of fracture humerus offside humerus of the humerus model also including a 3D printing, sets the structure needed into nail or other surgical procedures near fracture face.The model preparation method of the present invention is the image and three-dimensional data that both sides humerus and fracture are obtained by 64 row's CT scan modes, analyzed afterwards according to three-dimensional data, obtain fracturing humerus model and offside humerus mirror image humerus structure data, after be converted into 3D printing recognition mode and carry out model printing.Contrasted by mirror image humerus structure with fracture humerus structure, there can be effect directly perceived to assist operator's operation, and can intuitively allow young doctor to understand operating procedure, and easily linked up with entity structure with patient, model structure of the present invention is rationally, easy to use.
Description
Technical field
The invention belongs to orthopaedics use, a kind of model configuration used during especially for fracture of humerus, and in particular to be one
Plant humerus model of 3D printing and preparation method thereof.
Background technology
Proximal humeral fracture accounts for the 4%-5% of whole body fracture, and the incidence of disease is very high in the elderly, due to proximal humerus bone
The factors such as bone, the anatomic characteristic of muscle and senile osteoporosis, clinical treatment is relatively difficult, and malpractice often results in shoulder joint
The generation of stiff, bone nonunion and malunion.Open reduction and Kirschner wire fixation is larger to soft tissue injury, can further destroy the head of humerus
Blood is transported, and adds the danger of head of humerus ischemic necrosis and nonunion, serious splintered fracture and old people with osteoporosis
Therapeutic effect is not good.
For fracture of humerus especially fractured near end, routine is preoperative just, side position X-ray film, it will be appreciated that the base of fracture
This information, and for more complicated three, four points of fracture, supplemented with CT surface sweepings or carry out CT-3D Reconstruction, it is further bright
The scope really fractured, the direction of displacement of the degree crushed and bone fragment and apart from etc. information, but still suffer from problems with：1. it is only capable of
The formulation of operation plan is carried out in theory, it is impossible to preoperative real-time rehearsal is carried out to the program, it is impossible to " actual combat "；2. it is effective
Therapeutic scheme is set up on the correct understanding to mechanism of fracturing and parting basis of accurately fracturing, for humeral head replacement
Patient, the Limited information that CT can be provided；3. the teaching effect that doctors and patients are exchanged with state of an illness information and young doctors is limited.
Further, since the personalized level of the related equipment such as prosthese bone plate of operation is low, and easily cause some structures
The problem of misfitting, influences the rehabilitation in patient's later stage.
With current CAD and the development of 3D printing technique and progress, if we can use suitable skill
Art, which enters the structure of fracture, to be designed and prints after entity, it will provide fine reference to personalized treatment；Current state
Inside also not for fracture of humerus and the 3D printing model and relevant design of proximal humeral fracture, the present invention utilizes area of computer aided
Design and 3D printing technique, design print humerus model of 3D printing of personalization and preparation method thereof.
The content of the invention
In order to overcome the specific aim personalized treatment mode of prior art fracture of humerus especially proximal humeral fracture not enough,
The problems such as post-operative recovery situation is poor, the present invention provides a kind of humerus model of 3D printing and preparation method thereof.
A kind of humerus model of 3D printing, it includes humeral shaft, proximal humerus, distal humerus, fracture face and/or 10 pieces with
Interior bone piece；Characterized in that, the mirror image humerus structure of fracture humerus offside humerus of the humerus model also including a 3D printing,
The structure needed into nail or other surgical procedures is set near fracture face.Because fractured bones fracture is combined splicing
Process is cumbersome, and the both sides humerus almost symmetry of human body, the mirror image humerus structure of symmetrical humerus can be carried out with fractured bones
Compare, carry out the contrast operation in surgical procedure, facilitate doctor to be compared, set additionally by fractured bones with mirror image humerus structure
Putting can intuitively allow patient to understand the situation of oneself very much, and easily instruct clinician before year to learn, by intuitively tying
Structure understands the angle of the step of operating and operation by young doctor, assists young clinician to grow up as early as possible.
Further, when fracture face is at the head of humerus and when needing humeral head replacement, a cross section is set under fracture face, it is horizontal
Head of humerus bar is set to enter hole under section；The structurally corresponding setting cross section of mirror image humerus, mirror image humerus is divided into by cross section
Two parts a, part is Proximal humeral header structure, and bottom is divided into the setting upper arm at humerus stem structure, the head of humerus structure transverse face
Bone bar.Cross section and humerus head rod, which enter hole and the setting of humerus head rod, can facilitate the outward appearance understanding to operative site, and mould
Intend operation technique, good directive function is provided for humeral head replacement.
Further, cross section is arranged on head of humerus end, not through the big lesser tubercle of humerus.Such a setting can be protected effectively
Demonstrate,prove the angle of Humeral head replacement, it is ensured that the effect of displacement.
Further, the humeral head replacement prosthese of a personalized 3D printing is also set up, personalized setting is with strong points, for
Patient itself is set, and the goodness of fit is high, and workable, post-operative recovery effect is good.
Further, the material of the prosthese is titanium alloy material.
Or, when the face of fracture is not at the head of humerus, or when not needing head of humerus operation, set near the fracture face
Bone plate enters nail.Further, the model also includes corresponding to nail setting nail on the bone plate being reversely fitted, bone plate
Hole.
Further, the bone piece number is that the bone piece within 5 pieces can realize the splicing of bone piece, spliced within 5 pieces
Fracture reduction operation, otherwise excessive bone piece be unfavorable for osteopathy progress.
Further, numbering is set in each piece of bone piece according to restructuring order, by carrying out simulation spelling under computer system
Connect, and bone piece is numbered, preferably doctor can be instructed to operate.
Further, 3D printing model is 1:1 scale model.It can ensure the authenticity of simulated operation Deng big setting.
A kind of preparation method of the humerus model of 3D printing is：
1) image and data of patient's both sides humerus and fracture are obtained by X pieces or CT scan；
2) import data in computer and analyzed, both sides humerus is analyzed, make non-fracture by adjusting analysis
Side humerus and fracture side humerus specular, the humerus of the rear non-fracture side of mirror image, thus obtain one and fracture side humerus one
The complete Three-dimensional glass caused is as humerus；
3) the fracture face of analysis fracture and bone piece size, generate fracture face and the bone piece of three-dimensional；
4) it is right by the way that the 3-D view of mirror image humerus 3-D view and fractured bones and its fracture face and bone piece is placed side by side
Look in the mirror as humerus is recombinated to fracture face and sclerite, set near fracture face into nail or set cross-section under fracture face
Face；
5) all 3-D views are changed into the form of 3D printer identification, 3D printing is carried out.
Further, the form of the 3D printer identification is STL forms.
Further, the CT scan mode is 64 row's CT scans, and such a scan mode can preferably obtain image
Data.
Further, when fracture of humeral head needs humeral head replacement, the same position formation one under mirror image humerus and fracture face
Head of humerus bar is set to enter hole under individual cross section, cross section；Mirror image humerus is divided into two parts by cross section, and a part is Proximal humeral
Header structure, bottom is divided into setting humerus head rod at humerus stem structure, the head of humerus structure transverse face.
Further, when the face of fracture is not at the head of humerus, rationally set near fracture face into nail；
Further, it is described enter nail on the outside of reverse fitting bone plate, be correspondingly arranged nail on bone plate.
Beneficial effects of the present invention are：1. " characteristic " of fracture can be understood completely on model, specified between sclerite
Anatomy relationship, and then further clear and definite classification of fracture；2. for needing the patient of row humeral head replacement, many is in x-ray and CT
On the problem of can not find or be suspicious, can be very clear on model, and can just measure the head of humerus in the preoperative in real time
Size, the height of big lesser tubercle, the hypsokinesis angle of the head of humerus etc. determine the important operation marks of prosthetic replacement effect and success or failure
Property data；3. by the data analysis on computer and model, the prosthese size that can need in the preoperative in clear and definite art, prosthese
Need the height of implantation, prosthese to need the indexs such as the hypsokinesis angle of placement, be conducive to shortening operating time, reach more accurately hand
Art effect；4. operation preview can be just carried out on model in the preoperative, is had great importance to young doctor, while can make
Exchange between doctors and patients becomes directly perceived and simple.
Brief description of the drawings
Fig. 1 is the block mold schematic diagram fractured at the head of humerus of the present invention；
Fig. 2 is the section view model structure schematic diagram fractured at the head of humerus of the present invention；
Fig. 3 is proximal humerus model structure schematic diagram of being fractured at the head of humerus of the present invention；
Fig. 4 is fracture of humeral head surface model structural representation of the present invention；
Head of humerus model structure schematic diagram when Fig. 5 is fracture of humeral head of the present invention on mirror image humerus；
Cross section model structure schematic diagram when Fig. 6 is fracture of humeral head of the present invention；
Fig. 7 is block mold schematic diagram of the fracture face of the present invention not in the head of humerus；
Fig. 8 is the fracture face of the present invention not fracture model schematic in the head of humerus；
Fig. 9 is that fracture face of the present invention is fractured surface model structural representation not in the head of humerus；
Figure 10 is the fracture face of the present invention not bone plate model structure schematic diagram in the head of humerus；
In figure, 1, humeral shaft；2nd, proximal humerus；3rd, distal humerus；4th, the head of humerus；5th, bone piece；6th, mirror image humerus；7th, it is cross-section
Face；8th, humerus head rod enters hole；9th, humerus head rod；10th, replacement prosthesis；11st, nail is entered；12nd, bone plate；13rd, nail, 14, fracture
Face.
Embodiment
A kind of preparation method of the humerus model of the 3D printing of embodiment 1
The image and data of patient's both sides humerus and fracture are obtained by 64 row's CT scans；Import data to calculating
Analyzed in machine, both sides humerus is analyzed, make non-fracture side humerus and fracture side humerus mirror image pair by adjusting analysis
Claim, the humerus of the rear non-fracture side of mirror image, thus obtain a complete Three-dimensional glass consistent with fracture side humerus as humerus 6；
Fracture face 14 and the size of bone piece 5 of fracture are analyzed, fracture face 14 and the bone piece 5 of three-dimensional is generated；By the way that mirror image humerus 6 is three-dimensional
The 3-D view of image and fractured bones and its fracture face 14 and bone piece 5 is placed side by side, 6 pairs of fracture faces 14 of control mirror image humerus and bone
Folded block is recombinated,
When the fracture of the head of humerus 4 needs the head of humerus 4 to replace, in the 14 times same position formation one of mirror image humerus 6 and fracture face
Cross section 7, the setting head of humerus bar of cross section 7 times enters hole 8；6 points by mirror image humerus of cross section 7 is two parts, and a part is epimere
The structure of the head of humerus 4, bottom, which is divided at the structure of humeral shaft 1, the structure transverse face 7 of the head of humerus 4, sets humerus head rod 9.
When face 14 of fracturing is not at the head of humerus 4, rationally set near fracture face 14 into nail 11；It is described enter nail
11 outsides are reversely fitted on bone plate 12, bone plate 12 and are correspondingly arranged nail 13.All 3-D views are finally changed into 3D
The STL forms of printer identification, carry out 3D printing.
A kind of humerus model of the 3D printing of embodiment 2
A kind of humerus model of 3D printing, it includes humeral shaft 1, proximal humerus 2, distal humerus 3, fracture face 14 and/or
Bone piece 5 within 10 pieces；Wherein, the structure of mirror image humerus 6 of fracture humerus offside humerus of the humerus model also including a 3D printing, when
Fracture face 14 is at the head of humerus 4 and when needing the displacement of the head of humerus 4, and in one cross section 7 of setting of fracture face 14 times, cross section 7 is divided into
Put humerus head rod and enter hole 8；The structurally corresponding setting cross section 7 of mirror image humerus 6,6 points by mirror image humerus of cross section 7 is two parts,
A part is first 4 structure of Proximal humeral, and bottom is divided into setting humerus head rod at the structure of humeral shaft 1, the structure transverse face 7 of the head of humerus 4
9.Cross section 7 and humerus head rod, which enter hole 8 and the setting of humerus head rod 9, can facilitate the outward appearance understanding to operative site, and simulation
Operation technique, good directive function is provided for the displacement of the head of humerus 4.Cross section 7 is arranged on the end of the head of humerus 4, not through the upper arm
The big lesser tubercle of bone.The angle of the displacement technique of the head of humerus 4 can be effectively ensured in such a setting, it is ensured that the effect of displacement.3D printing model
For 1:1 scale model.It can ensure the authenticity of simulated operation Deng big setting.Pass through 1：1 model can get information about each
Partial size, the convenient prosthese of the head of humerus 4 for assisting to select suitable dimension.Spliced in addition because fractured bones fracture is combined
Journey is cumbersome, and the both sides humerus almost symmetry of human body, the structure of mirror image humerus 6 of symmetrical humerus can be compared with fractured bones
Compared with the contrast operation in progress surgical procedure facilitates doctor to be compared, set additionally by fractured bones with the structure of mirror image humerus 6
Putting can intuitively allow patient to understand the situation of oneself very much, and easily instruct clinician before year to learn, by intuitively tying
Structure understands the angle of the step of operating and operation by young doctor, assists young clinician to grow up as early as possible.
A kind of humerus model of the 3D printing of embodiment 3
A kind of humerus model of 3D printing, it includes humeral shaft 1, proximal humerus 2, distal humerus 3, fracture face 14 and/or
Bone piece 5 within 10 pieces；Wherein, the structure of mirror image humerus 6 of fracture humerus offside humerus of the humerus model also including a 3D printing, when
Fracture face 14 is at the head of humerus 4 and when needing the displacement of the head of humerus 4, and in one cross section 7 of setting of fracture face 14 times, cross section 7 is divided into
Put humerus head rod and enter hole 8；The structurally corresponding setting cross section 7 of mirror image humerus 6,6 points by mirror image humerus of cross section 7 is two parts,
A part is first 4 structure of Proximal humeral, and bottom is divided into setting humerus head rod at the structure of humeral shaft 1, the structure transverse face 7 of the head of humerus 4
9.Cross section 7 and humerus head rod, which enter hole 8 and the setting of humerus head rod 9, can facilitate the outward appearance understanding to operative site, and simulation
Operation technique, good directive function is provided for the displacement of the head of humerus 4.Cross section 7 is arranged on the end of the head of humerus 4, not through the upper arm
The big lesser tubercle of bone.The angle of the displacement technique of the head of humerus 4 can be effectively ensured in such a setting, it is ensured that the effect of displacement.Also set up one
Property 3D printing the replacement prosthesis 10 of the head of humerus 4, personalized setting is with strong points, is set for patient itself, and the goodness of fit is high,
Workable, post-operative recovery effect is good.The material of prosthese is titanium alloy material.
A kind of humerus model of the 3D printing of embodiment 4
A kind of humerus model of 3D printing, it includes humeral shaft 1, proximal humerus 2, distal humerus 3, fracture face 14 and/or
Bone piece 5 within 10 pieces；Wherein, the structure of mirror image humerus 6 of fracture humerus offside humerus of the humerus model also including a 3D printing, when
When fracture face 14 is not at the head of humerus 4, or when not needing the operation of the head of humerus 4, fracture face 14 nearby sets bone plate 12 to enter nail
Hole 11.Model also includes correspondence on the bone plate 12 being reversely fitted, bone plate 12 and enters the setting nail 13 of nail 11.The number of bone piece 5
Within 5 pieces, the bone piece 5 within 5 pieces can realize the splicing of bone piece 5, spliced fracture reduction operation, and otherwise excessive bone piece 5 is not
Carried out beneficial to osteopathy.3D printing model is 1:1 scale model.It can ensure the authenticity of simulated operation Deng big setting.
A kind of humerus model of the 3D printing of embodiment 5
A kind of humerus model of 3D printing, it includes humeral shaft 1, proximal humerus 2, distal humerus 3, fracture face 14 and/or
Bone piece 5 within 10 pieces；Wherein, the structure of mirror image humerus 6 of fracture humerus offside humerus of the humerus model also including a 3D printing, when
When fracture face 14 is not at the head of humerus 4, or when not needing the operation of the head of humerus 4, fracture face 14 nearby sets bone plate 12 to enter nail
Hole 11.Model also includes correspondence on the bone plate 12 being reversely fitted, bone plate 12 and enters the setting nail 13 of nail 11.The number of bone piece 5
Within 5 pieces, the bone piece 5 within 5 pieces can realize the splicing of bone piece 5, spliced fracture reduction operation, and otherwise excessive bone piece 5 is not
Carried out beneficial to osteopathy.Numbering is set in each piece of bone piece 5 according to restructuring order, by carrying out simulation spelling under computer system
Connect, and bone piece 5 is numbered, preferably doctor can be instructed to operate.3D printing model is 1:1 scale model.Deng big setting
The authenticity of simulated operation can be ensured.
The explanation of above-described embodiment is only intended to understand the present invention.It should be pointed out that for one of ordinary skill in the art
For, under the premise without departing from the principles of the invention, some improvement can also be carried out to the present invention, these improvement will also fall into this
In invention scope of the claims.
Claims (10)
1. a kind of humerus model of 3D printing, it includes humeral shaft (1), proximal humerus (2), distal humerus (3), fracture face (14)
And/or bone piece (5) within 10 pieces；Characterized in that, the humerus model also includes the fracture humerus offside humerus of a 3D printing
Mirror image humerus (6) structure, the structure that is needed into nail (11) or other surgical procedures is set near fracture face (14).
2. the humerus model of 3D printing according to claim 1, it is characterised in that when fracture face (14) is in the head of humerus (4)
Place and when needing the head of humerus (4) to replace, sets under fracture face (14) and head of humerus bar is set under a cross section (7), cross section (7)
Enter hole (8)；The structurally corresponding setting cross section (7) of mirror image humerus (6), mirror image humerus (6) is divided into two by cross section (7)
Point, a part is Proximal humeral head (4) structure, and bottom is divided into humeral shaft (1) structure, the head of humerus (4) the structure transverse face (7)
Place sets humerus head rod (9).
3. the humerus model of 3D printing according to claim 2, it is characterised in that cross section is arranged on the head of humerus (4) end
End, not through the big lesser tubercle of humerus.
4. the humerus model of 3D printing according to claim 2, it is characterised in that also set up the head of humerus of a 3D printing
(4) replacement prosthesis (10).
5. the humerus model of 3D printing according to claim 3, it is characterised in that the material of the prosthese is titanium alloy material
Material.
6. the humerus model of 3D printing according to claim 1, it is characterised in that when fracture face (14) is not in the head of humerus
(4) during place, or when not needing the head of humerus (4) operation, the fracture face (14) nearby sets bone plate (12) to enter nail (11).
7. the humerus model of 3D printing according to claim 6, it is characterised in that the model also includes what is be reversely fitted
Correspondence enters nail (11) setting nail (13) on bone plate (12), bone plate (12).
8. the preparation method of the humerus model of the 3D printing described in claim 1 is：
1) image and data of patient's both sides humerus and fracture are obtained by X pieces or CT scan；
2) import data in computer and analyzed, both sides humerus is analyzed, make the non-fracture side upper arm by adjusting analysis
Bone with fracture side humerus specular, the humerus of the rear non-fracture side of mirror image, thus obtain one with fracture side humerus it is consistent
Complete Three-dimensional glass is as humerus (6)；
3) the fracture face (14) of analysis fracture and bone piece (5) size, generate fracture face (14) and the bone piece (5) of three-dimensional；
4) by by mirror image humerus (6) 3-D view and fractured bones and its fracture face (14) and bone piece (5) 3-D view side by side
Place, control mirror image humerus (6) is recombinated to fracture face (14) and sclerite, set near fracture face (14) into nail
(11) or under fracture face (14) cross section (7) are set；
5) all 3-D views are changed into the form of 3D printer identification, 3D printing is carried out.
9. preparation method according to claim 8, it is characterised in that the CT scan mode is 64 row's CT scans.
10. preparation method according to claim 8, it is characterised in that when the head of humerus (4) fracture needs the head of humerus (4) to replace
When, one cross section (7) of same position formation under mirror image humerus (6) and fracture face (14), cross section sets the head of humerus under (7)
Bar enters hole (8)；Mirror image humerus (6) is divided into two parts by cross section (7), and a part is Proximal humeral head (4) structure, and bottom is divided into
Humeral shaft (1) structure, the head of humerus (4) structure transverse face (7) place sets humerus head rod (9)；When fracture face (14) does not exist
During the head of humerus (4) place, rationally set into nail (11) near fracture face (14).
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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