CN105342741A - Bone repair fixator and production method thereof - Google Patents
Bone repair fixator and production method thereof Download PDFInfo
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- CN105342741A CN105342741A CN201510652141.6A CN201510652141A CN105342741A CN 105342741 A CN105342741 A CN 105342741A CN 201510652141 A CN201510652141 A CN 201510652141A CN 105342741 A CN105342741 A CN 105342741A
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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
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
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- Orthopedic Medicine & Surgery (AREA)
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Abstract
The invention provides a bone repair fixator and a production method thereof. The production method comprises following steps: three-dimensionally scanning a part to be scanned to obtain three-dimensional data of the part to be scanned; reconstructing a three-dimensional model of the part to be scanned, according to the three-dimensional data obtained; optimizing the surface of the three-dimensional model to obtain a corrected three-dimensional model; segmenting the corrected three-dimensional model to obtain a segmented model; generating a bone repair fixator model using computer software according to the segmented model; printing the bone repair fixator using 3D printing technology according to the bone repair fixator model. The bone repair fixator comprises a first fixing piece and a second fixing piece, and the first fixing piece and the second fixing piece are provided with a fastener and a protrusion fitting each other, respectively. The production method enables operational simplicity, avoiding secondary injury to a bone injured part caused during the production of a plaster model. The bone repair fixator obtained according to the method is simple in structure, portable and convenient to put on and take off.
Description
Technical field
The present invention relates to technical field of medical instruments, particularly relate to a kind of Bone Defect Repari fixture and preparation method thereof.
Technical background
Bone Defect Repari fixture is a kind of external utensil, is generally assemblied in the positions such as the extremity of human body, trunk, for preventing or correct extremity or trunk deformity, is also used for the treatment of joint disease, for promoting that osteoarthrosis heals in also can repairing after surgery.Bone Defect Repari fixture is different according to installation position, can be divided into upper-limbs fixation device, fixing apparatus for lower limbs, spine fixator and cervical spine fixator.In use Bone Defect Repari fixture mainly contains following effect: 1) stable and support: the stability being kept joint by the abnormal motion of diseased region such as restriction limbs or trunk etc., recovers the ability of joint load-bearing or motion; 2) fixing and rectification: to the limbs or the trunk that occur deformity, carrys out correction deformity by fixing diseased region or prevents deformity deterioration further; 3) protect and exempt from load: by limbs or the joint of fixing pathological changes, restriction abnormal movement, keep limbs, joint normal to line relation, can alleviate or exempt major axis load-bearing to lower limb weight-bearing joint.
Gypsum Fibrosum is drawn materials easy, cheap because of it and is had good plasticity and enough intensity and be widely used in being used for fixing damage fracture in the postoperative healing process of patient.The Bone Defect Repari fixture adopting Gypsum Fibrosum mode to fix fracture as Chinese utility model patent announce No. 203763324 patent disclose, it comprises the Gypsum Fibrosum arranged in a tubular form and the cotton paper fitting in Gypsum Fibrosum inner peripheral surface.In use, plaster sleeve is located at the fracture site of patient, is fixed fracture site, and fracture is no longer shifted, and then promotes union of fracture.Although it is fixing that this bone fracture repair device achieves fracture site, Gypsum Fibrosum is airtight, cotton paper can not absorbing sweat, makes patient skin very easily breed bacteria, and then causes patient skin to fester.In addition, complex operation when Gypsum Fibrosum also exists fixing, to waste time and energy, and cannot adjusting tightness, the shortcoming that can not get wet.Fix if long-time and also can cause some complication, as osteofascial compartment syndrome, pressure ulcer, disuse osteoporosis, ankylosis etc.In addition, after chest and epigastrium adopt plaster-of-paris jacket fixing, if fixing tension, the expansion of harmonization of the stomach chest can be limited, cause patient to occur the symptom such as uncomfortable in chest, dyspnea, stomachache, vomiting.
Therefore, necessaryly a kind of Bone Defect Repari fixture and preparation method thereof is provided, to overcome the defect existed in prior art.
Summary of the invention
The object of the present invention is to provide a kind of ventilative light, make simple, Bone Defect Repari fixture of dressing convenient disassembly and preparation method thereof.
For achieving the above object, the preparation method of Bone Defect Repari fixture of the present invention, comprises the steps: that treating scanning position carries out the three-dimensional data that 3-D scanning obtains position to be scanned; The threedimensional model at position to be scanned is reconstructed according to the three-dimensional data obtained; Surface optimization process is carried out to threedimensional model and obtains the threedimensional model revised; The threedimensional model revised is carried out splitting the model after obtaining segmentation; Utilize computer software according to the model generation Bone Defect Repari fixture model after segmentation; 3D printing technique is utilized to print Bone Defect Repari fixture based on Bone Defect Repari fixture model.
Further, treat scanning position described in carry out 3-D scanning and adopt 3D scanner to treat scanning position to scan.
Further, described method also comprises step: the outer surface data extracting position to be scanned from the three-dimensional data at position to be scanned.
Further, the threedimensional model at described position to be scanned is according to the outer surface data reconstruction at position to be scanned.
Further, described method also comprises step: thicken process to the model after segmentation and obtain the model thickened, and described Bone Defect Repari fixture model obtains according to the model thickened.
Further, described method also comprises step: thicken process acquisition to revised model and thicken model, and the model after described segmentation obtains according to thickening model segmentation.
Further, thicken described in be treated to and monolaterally thicken 3 ~ 5mm.
Further, the model after described segmentation is preserved with STL form, is provided with the snap component cooperatively interacted between the model after described segmentation.
Further, described Bone Defect Repari fixture adopts poly-lactic acid material 3D to print to generate.
Further, described Bone Defect Repari fixture adopts ABS material 3D to print to generate.
The present invention also provides a kind of Bone Defect Repari fixture prepared by said method, it comprises both ends open and has the body of host cavity, the second fixed body that described body comprises the first fixed body and coordinates with the first fixed body, described first fixed body and the second fixed body are respectively equipped with the buckle and boss that cooperatively interact.
Further, described buckle end is provided with snap fit, described snap fit and boss clamping.
Further, described buckle is located on the first fixed body, and described boss is located on the second fixed body.
Further, described buckle extends laterally setting by the relative both sides of the first fixed body, and the relative both sides of the second fixed body are located at by described boss.
Further, described second fixed body is provided with the clasp groove of the buckle of collecting first fixed body, and described boss protrudes out setting by the position of the second fixation postures in clasp groove.
Further, described buckle comprises the first buckle be located on the first fixed body and the second buckle be located on the second fixed body, described boss comprises the first boss be located on the first fixed body and the second boss be located on the second fixed body, described first buckle and the second boss clamping, described second buckle and the second boss clamping.
Further, described first fixed body is also provided with the first clasp groove of the second buckle of collecting second fixed body, described second fixed body is provided with the second clasp groove of the first buckle of collecting first fixed body.
Further, described first clasp groove is being downwardly recessed to form by the first fixed body, described second clasp groove is being downwardly recessed to form by the second fixed body, described first boss protrudes out setting by the position of the first fixation postures in the first clasp groove, and described second boss protrudes out setting by the position of the second fixation postures in the second clasp groove.
Further, described first buckle and the relative both sides of the first clasp slot in the first fixed body, described second buckle and the relative both sides of the second clasp slot in the second fixed body.
Further, described first fixed body and the second fixed body are all arranged in arcuation, and described buckle protrudes out setting by the middle part of the first fixed body, and described clasp groove is arranged by the outer surface depressions of the second fixed body.
Method of the present invention is adopted to prepare Bone Defect Repari fixture, simple to operate, compared to the fixture that traditional Gypsum Fibrosum generates, without the need to carrying out die at patient position to be scanned, avoid and secondary injury is caused to patient, and the Bone Defect Repari fixture light air ventilation prepared, wearing dismounting is also convenient.
Accompanying drawing explanation
Fig. 1 is the preparation method flow chart of Bone Defect Repari fixture of the present invention.
Fig. 2 is the three-dimensional combination figure of the first Bone Defect Repari fixture prepared according to the methods of the invention.
Fig. 3 is another view stereo constitutional diagram of the first Bone Defect Repari fixture shown in Fig. 2.
Fig. 4 is the first Bone Defect Repari fixture three-dimensional exploded view shown in Fig. 2.
Fig. 5 is the axonometric chart of the first fixed body of the first Bone Defect Repari fixture described in Fig. 4.
Fig. 6 is the axonometric chart of the second fixed body of the first Bone Defect Repari fixture shown in Fig. 4.
Fig. 7 is the enlarged drawing of circle part A in Fig. 5.
Fig. 8 is the enlarged drawing of circle part B in Fig. 6.
Fig. 9 is the three-dimensional combination figure of the second Bone Defect Repari fixture prepared according to the methods of the invention.
Figure 10 is another view stereo constitutional diagram of the second Bone Defect Repari fixture shown in Fig. 9.
Figure 11 is the three-dimensional exploded view of the second Bone Defect Repari fixture shown in Fig. 9.
Figure 12 is the axonometric chart of the first fixed body of the second Bone Defect Repari fixture shown in Fig. 9.
Figure 13 is the enlarged drawing of circle C part in Figure 12.
Figure 14 is the enlarged drawing of circle D part in Figure 12.
Figure 15 is the axonometric chart of the second fixed body of the second Bone Defect Repari fixture shown in Figure 10.
Figure 16 is the enlarged drawing of circle E part in Figure 15.
Figure 17 is another view stereo figure of the second fixed body of the second Bone Defect Repari fixture shown in Figure 15.
Figure 18 is the enlarged drawing of circle F part in Figure 17.
Figure 19 is the three-dimensional combination figure of the 3rd Bone Defect Repari fixture prepared according to the methods of the invention.
Figure 20 is another view stereo constitutional diagram of the 3rd Bone Defect Repari fixture shown in Figure 19.
Figure 21 is the three-dimensional exploded view of the 3rd Bone Defect Repari fixture shown in Figure 19.
Figure 22 is the axonometric chart of the first fixed body of the 3rd Bone Defect Repari fixture shown in Figure 19.
Figure 23 is the axonometric chart of the second fixed body of the 3rd Bone Defect Repari fixture shown in Figure 19.
Figure 24 is the enlarged drawing of circle G part in Figure 22.
Figure 25 is the enlarged drawing of circle H part in Figure 23.
Detailed description of the invention
For enabling above-mentioned purpose of the present invention, feature and advantage more become apparent, and are described in detail specific embodiments of the invention below in conjunction with accompanying drawing.
Fig. 1 is the flow chart of the Preparation Method of Bone Defect Repari fixture of the present invention.Method of the present invention specifically comprises the steps:
S1, treat scanning position carry out the three-dimensional data that 3-D scanning obtains position to be scanned;
S2, from the three-dimensional data at position to be scanned, extract the outer surface data at position to be scanned;
S3, according to the threedimensional model at outer surface data reconstruction position to be scanned extracted;
S4, threedimensional model carried out to surface optimization process and obtain the threedimensional model revised;
S5, to revise threedimensional model carry out split obtain segmentation after model;
S6, to segmentation after model thicken process acquisition thicken model;
S7, utilize computer software according to thickening model generation Bone Defect Repari fixture model;
S8,3D printing technique is utilized to print Bone Defect Repari fixture based on Bone Defect Repari fixture model.
In step S1, described in treat scanning position and carry out 3-D scanning and adopt 3D scanner to treat scanning position to scan.Described position to be scanned is bone injury site.
In step S5, the model after described segmentation is preserved with STL form, is provided with the snap component cooperatively interacted between the model after described segmentation.The clasp groove that described snap component is specially the buckle on a model located therein and is located in alternate model.There is in described clasp groove the boss for buckle clamping.
In step S6, described in thicken to be treated to and monolaterally thicken 3 ~ 5mm.Model after described segmentation comprises the first parted pattern and the second parted pattern.Described thicken model comprise corresponding with the first parted pattern first thicken model and with the second parted pattern corresponding second thicken model.
Described buckle is located at first and is thickened on model, and described clasp groove is located at second and is thickened on model.Described second thickens model is provided with the boss being positioned at clasp groove, described buckle and boss buckle, is located at together for thickening model group by two.
Described Bone Defect Repari fixture adopts poly-lactic acid material or ABS material 3D to print to generate.The 3D printer of described printing Bone Defect Repari fixture is fusion sediment type (FDM) printer.
Described Bone Defect Repari fixture also can be adopt photosensitive resin 3D to print to generate.The 3D printer of described printing Bone Defect Repari fixture is laser three-dimensional curing type (SLA) printer.
Described Bone Defect Repari fixture can also be made by laser sintered type (SLS) printer.
Bone Defect Repari fixture is prepared by method of the present invention, simple to operate, carrying out plaster impression without the need to treating scanning position, avoiding and causing secondary damage fracture site because of plaster impression.Threedimensional model of the present invention is the outer surface data reconstruction based on the position to be scanned of extracting, the Bone Defect Repari fixture made according to Bone Defect Repari fixed model can be fitted with position to be scanned well, sufferer wearing comfort can be made, and improve the accuracy of manufacture of Bone Defect Repari fixture.In addition, what the Bone Defect Repari fixture model making Bone Defect Repari fixture had carried out 3 ~ 5mm thickens process, make generate Bone Defect Repari fixture there is certain thickness, ensure that the intensity of Bone Defect Repari fixture, thus can treat better scanning position be fixed.
Described Bone Defect Repari fixture also can adopt other mode machine-shapings, such as five-axis machine tool processing etc.
The Bone Defect Repari fixture utilizing method of the present invention to make is light, and is connected together by each several part by snap, conveniently can dress and dismantle, and prevents treating scanning position when dismounting and causes damage.
The present invention prepares thickening process and can also complete before it is split in the method for Bone Defect Repari fixture, particularly: thicken process acquisition to the correction model of S4 step acquisition and thicken place's model, the model after described segmentation is by carrying out segmentation acquisition to thickening model.
Fig. 2 to Fig. 8 is the first Bone Defect Repari fixture 100 for repairing arm bone injury that method according to the present invention is made.Fig. 9 to Figure 18 is the second Bone Defect Repari fixture 200 for repairing anklebone damage made according to the inventive method.Figure 19 to Figure 25 is depicted as the 3rd Bone Defect Repari fixture 300 for repairing cervical spine injury made according to the inventive method.
Please consult shown in Fig. 2 to Fig. 8 by emphasis, for fixing arm bone injury site on the arm that described first Bone Defect Repari fixture 100 is snapped in sufferer, it comprises both ends open (non-label) and the body 1 arranged roughly in a tubular form.Described body 1 has a host cavity 10, passes for the arm for sufferer and accommodates arm corresponding site.Described body 1 is provided with the hole 11 in circumference distribution, for ventilative, can prevent arm fracture site from airtightly causing skin ulceration because fixing for a long time.Described body 1 is made up by fusion sediment type (FDM) printer of ABS material or polylactic acid (PLA) material.Described body 1 comprises the first fixed body 12 arranged in arcuation and the second fixed body 13 coordinated with the first fixed body 12.Described host cavity 10 is enclosed by the first fixed body 12 and the second fixed body 13 and is formed.Described first fixed body 12 and the second fixed body 13 are roughly arranged in flat arc sheet.Described first fixed body 12 and the second fixed body 13 all have the leading section 120,130 and rearward end 121,131 that are oppositely arranged.
The second receiving space 102 that described host cavity 10 comprises the first receiving space 101 and is communicated with the first receiving space 101.Described first receiving space 101 is enclosed by the leading section 120 of the first fixed body 12 and the leading section 130 of the second fixed body 13 to be formed, for accommodating palm.Described second receiving space 102 is enclosed by the rearward end 121 of the first fixed body 12 and the rearward end 131 of the second fixed body 13 to be formed, for accommodating arm.The leading section 120 of described first fixed body 12 and the leading section 130 of the second fixed body 13 form the front end of body 1.The rearward end 121 of described first fixed body 12 and the rearward end 131 of the second fixed body 13 form the rear end of body 1.
Leading section 120 bifurcated of described first fixed body 12 is provided with thumb fixed part 122, for accommodating thumb.The rearward end 131 of described second fixed body 13 has the projection 132 upwards heaving formation, for coated carpal joint.The relative both sides of described first fixed body 12 are provided with buckle 123 along the extension of the tangential direction of its place cambered surface respectively.Described buckle 123 is located in the rearward end 121 of the first fixed body 12, and its end is provided with snap fit 124.The outer surface depressions of described second fixed body 13 is provided with the clasp groove 133 corresponding with the buckle 123 of the first fixed body 12.Described second fixed body 13 has the boss 134 convexedly stretched in clasp groove 133, can supply snap fit 124 buckle of the first fixed body 12, together with being mounted on the second fixed body 13 by the first fixed body 12.Described hole 11 is located on the first fixed body 12 and the second fixed body 13 in irregular.Described clasp groove 133 is caved inward by rearward end 131 outer surface of the second fixed body 13 to be formed.To be positions of being positioned at clasp groove 133 by the second fixed body 13 protrude out setting along the radial direction of its place cambered surface to described boss 134.
First Bone Defect Repari fixture 100 of the present invention is snapped on the boss 134 in the clasp groove 133 of the second fixed body 13 by the snap fit 124 of the buckle 123 of the first fixed body 12, together with the first fixed body 12 is located at the second fixed body 13 groups, and then the first Bone Defect Repari fixture 100 is mounted on arm, thus realize fixing arm, promote the healing of bone injury site, structure is simple, easy to operate, can avoid causing secondary injury to bone injury site when dressing Bone Defect Repari fixture.First Bone Defect Repari fixture 100 of the present invention is made up of ABS material or PLA material, portable and smart.The body 1 of the first Bone Defect Repari fixture 100 of the present invention is provided with the hole 11 in circumference distribution, being convenient to breathe freely, can preventing the first Bone Defect Repari fixture 100 from causing skin ulceration when being fixed on arm for a long time because of airtight.
Please consult shown in Fig. 9 to Figure 18 by emphasis, the second Bone Defect Repari fixture 200 of the present invention be for repairing anklebone damage, and it comprises and encloses by two arc lamellar bodies the body 2 formed.Body 2 is roughly arranged in " L " type tubulose, and it comprises the first fixed body 21 and the second fixed body 22 cooperatively interacted.Described first fixed body 21 and the second fixed body 22 arc sheet all roughly in " L " type constructs, and both enclose formation one host cavity 20.When the second Bone Defect Repari fixture 200 is mounted on anklebone damage location, the first fixed body 21 and the second fixed body 22 are from the coated anklebone in anklebone both sides and cooperatively interact, for the second Bone Defect Repari fixture 200 is mounted on patient legs's.Described first fixed body 21 is mounted on the left side being positioned at ankle after on patient's ankle, and described second fixed body 22 is being mounted on the right side being positioned at ankle after on patient's ankle.
Described host cavity 20 comprises and encloses by the upper end of body 2 the first receiving space 201 of being formed and enclosed the second receiving space 202 formed by the lower end of body 2.Described first receiving space 201 is enclosed by the upper end 210 of the first fixed body 21 and the upper end 220 of the second fixed body 22 to be formed, for accommodating the leg of patient.Described second receiving space 202 is enclosed by the bottom 211 of the first fixed body 21 and the bottom 221 of the second fixed body 22 to be formed, for accommodating patient's foot.
The relative both sides of described first fixed body 21 extend respectively and are provided with the first buckle 212 and the first clasp groove 213.Described first buckle 212 end is provided with the first snap fit 214.Described first fixed body 21 also has the first boss 215 being positioned at the first clasp groove 213.Described first boss 215 is that the position being positioned at the first clasp groove 213 by the first fixed body 21 protrudes out setting.Described second fixed body 22 is provided with the second clasp groove 222 corresponding with the first buckle 212 of the first fixed body 21.Described second fixed body 22 has the second boss 223 protruding out setting in the second clasp groove 222, can coordinate with the first buckle 212 of the first fixed body 21.Described second fixed body 22 is also provided with the second buckle 224 coordinated with the boss 215 in the first clasp groove 213 of the first fixed body 21.Described second buckle 224 end bending be provided with the second snap fit 225, can with the first boss 215 buckle of the first fixed body 21, together with the first fixed body 21 is mounted on the second fixed body 22.Described first buckle 212 is extended along the tangential direction of its place cambered surface by the side of the first fixed body 21.Described first clasp groove 213 is formed by the outer surface depressions of the opposite side of the first fixed body 21.Described second buckle 224 and the second clasp groove 222 are located at the relative both sides of the second fixed body 22 respectively.Described second buckle 224 extends laterally setting by the side of the second fixed body 22.Described second clasp groove 222 is formed by the outer surface depressions of the second fixed body 22.
The syphon shape of described body 2 in both ends open (non-label) is arranged, and it has the hole 23 circumferentially distributed, and for ventilative when Bone Defect Repari fixture 200 is mounted on patient's ankle, prevents sealed air-tight from causing ankle dermatosis.Described first fixed body 21 and the second fixed body 22 roughly symmetrically shape are arranged.
Second Bone Defect Repari fixture 200 of the present invention by the second snap fit 225 clamping of the first snap fit 214 of the first buckle 212 of the first fixed body 21 of body 2 and the second boss 223 clamping of the second fixed body 22 and the first boss 215 of the first fixed body 21 and the second buckle 224 of the second fixed mount 22 with together with the first fixed body 21 is mounted on the second fixed body 22, and then can conveniently the second Bone Defect Repari fixture 200 be mounted on the ankle of patient, realize fixing ankle, structure is simple, dress and convenient disassembly, and the secondary injury to ankle that plaster fixing ankle causes can be avoided.
Second Bone Defect Repari fixture 200 of the present invention can also have following change case: establish buckle in the relative both sides of the first fixed body 21, establish in the relative both sides of the second fixed body 22 with the clasp groove be clasped of the first fixed body 21 with together with being mounted on the second fixed body 22 by the first fixed body 21.
Figure 19 to Figure 25 is depicted as the 3rd Bone Defect Repari fixture 300 prepared by the inventive method, and for repairing neck bone damage, it comprises the first fixed body 31 and the second fixed body 32 that two arcuations are arranged.First fixed body 31 and the second fixed body 32 enclose the host cavity 30 being formed and accommodate patient's cervical region.The relative both sides of described first fixed body 31 extend laterally respectively and are provided with buckle 310.Described buckle 310 end is provided with snap fit 311.The outer surface of the relative both sides of described second fixed body 32 caves in the clasp groove 320 of the buckle 310 being provided with collecting first fixed body 31 respectively.Described second fixed body 32 also has the boss 321 protruding out setting in clasp groove 320.The snap fit 311 of described first fixed body 31 can with boss 321 clamping of the second fixed body 32, together with the first fixed body 31 is located at the second fixed body 32 groups.Described first fixed body 31 and the second fixed body 32 are respectively equipped with the hole 33 circumferentially distributed, for ventilative.Described first fixed body 31 and the second fixed body 32 are mounted on patient's cervical region from patient's cervical region fore-and-aft direction.Described first fixed body 31 and the second fixed body 32 form the body of the 3rd Bone Defect Repari fixture 300.
3rd Bone Defect Repari fixture 300 of the present invention is by the snap fit 311 of the first fixed body 31 and boss 321 clamping of the second fixed body 32, for the first fixed body 31 and the second fixed body 32 are mounted on patient's cervical region, realize fixing patient's cervical region, structure is simple, easy to operate.When Bone Defect Repari fixture 300 disassembles from patient's cervical region by needs, only need to open and the buckle 311 of the first fixed body 31 is separated with the boss 321 of the second fixed body 32 along the first fixed body 31 with exerting a force before and after the second fixed body 32, being separated of Bone Defect Repari fixture 300 and cervical region can be realized.In addition, the hole 33 that Bone Defect Repari fixture 300 is arranged can make skin of neck and extraneous contact breathe freely, and prevents worn for long periods and causes skin of neck disease.
To sum up, these are only preferred embodiment of the present invention, should not limit the scope of the invention with this, namely every simple equivalence done according to claims of the present invention and description of the present invention changes and modifies, and all should still remain within the scope of the patent.
Claims (20)
1. a preparation method for Bone Defect Repari fixture, is characterized in that: comprise the steps:
Treat scanning position and carry out the three-dimensional data that 3-D scanning obtains position to be scanned;
The threedimensional model at position to be scanned is reconstructed according to the three-dimensional data obtained;
Surface optimization process is carried out to threedimensional model and obtains the threedimensional model revised;
The threedimensional model revised is carried out splitting the model after obtaining segmentation;
Utilize computer software according to the model generation Bone Defect Repari fixture model after segmentation;
3D printing technique is utilized to print Bone Defect Repari fixture based on Bone Defect Repari fixture model.
2. the method for claim 1, is characterized in that: described in treat scanning position and carry out 3-D scanning and adopt 3D scanner to treat scanning position to scan.
3. the method for claim 1, is characterized in that: described method also comprises step: the outer surface data extracting position to be scanned from the three-dimensional data at position to be scanned.
4. method as claimed in claim 3, is characterized in that: the threedimensional model at described position to be scanned is according to the outer surface data reconstruction at position to be scanned.
5. the method for claim 1, is characterized in that: described method also comprises step: thicken process to the model after segmentation and obtain the model thickened, and described Bone Defect Repari fixture model obtains according to the model thickened.
6. the method for claim 1, is characterized in that: described method also comprises step: thicken process acquisition to revised model and thicken model, and the model after described segmentation obtains according to thickening model segmentation.
7. the method as described in claim 5 or 6, is characterized in that: described in thicken to be treated to and monolaterally thicken 3 ~ 5mm.
8. as the method in claim 1 to 6 as described in any one, it is characterized in that: the model after described segmentation is preserved with STL form, is provided with the snap component cooperatively interacted between the model after described segmentation.
9. method as claimed in claim 8, is characterized in that: described Bone Defect Repari fixture adopts poly-lactic acid material 3D to print to generate.
10. method as claimed in claim 8, is characterized in that: described Bone Defect Repari fixture adopts ABS material 3D to print to generate.
11. 1 kinds of Bone Defect Repari fixtures that according to any one of claim 1 to 10 prepared by method, it is characterized in that: it comprises both ends open and has the body of host cavity, the second fixed body that described body comprises the first fixed body and coordinates with the first fixed body, described first fixed body and the second fixed body are respectively equipped with the buckle and boss that cooperatively interact.
12. Bone Defect Repari fixtures as claimed in claim 11, is characterized in that: described buckle end is provided with snap fit, described snap fit and boss clamping.
13. Bone Defect Repari fixtures as claimed in claim 12, is characterized in that: described buckle is located on the first fixed body, and described boss is located on the second fixed body.
14. Bone Defect Repari fixtures as claimed in claim 11, is characterized in that: described buckle extends laterally setting by the relative both sides of the first fixed body, and the relative both sides of the second fixed body are located at by described boss.
15. Bone Defect Repari fixtures as claimed in claim 14, is characterized in that: described second fixed body is provided with the clasp groove of the buckle of collecting first fixed body, and described boss protrudes out setting by the position of the second fixation postures in clasp groove.
16. Bone Defect Repari fixtures as claimed in claim 11, it is characterized in that: described buckle comprises the first buckle be located on the first fixed body and the second buckle be located on the second fixed body, described boss comprises the first boss be located on the first fixed body and the second boss be located on the second fixed body, described first buckle and the second boss clamping, described second buckle and the second boss clamping.
17. Bone Defect Repari fixtures as claimed in claim 16, it is characterized in that: the first clasp groove described first fixed body being also provided with the second buckle of collecting second fixed body, described second fixed body is provided with the second clasp groove of the first buckle of collecting first fixed body.
18. Bone Defect Repari fixtures as claimed in claim 17, it is characterized in that: described first clasp groove is being downwardly recessed to form by the first fixed body, described second clasp groove is being downwardly recessed to form by the second fixed body, described first boss protrudes out setting by the position of the first fixation postures in the first clasp groove, and described second boss protrudes out setting by the position of the second fixation postures in the second clasp groove.
19. Bone Defect Repari fixtures as claimed in claim 18, is characterized in that: described first buckle and the relative both sides of the first clasp slot in the first fixed body, described second buckle and the relative both sides of the second clasp slot in the second fixed body.
20. Bone Defect Repari fixtures as claimed in claim 11, it is characterized in that: described first fixed body and the second fixed body are all arranged in arcuation, described buckle protrudes out setting by the middle part of the first fixed body, and described clasp groove is arranged by the outer surface depressions of the second fixed body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652141.6A CN105342741A (en) | 2015-10-10 | 2015-10-10 | Bone repair fixator and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510652141.6A CN105342741A (en) | 2015-10-10 | 2015-10-10 | Bone repair fixator and production method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN105342741A true CN105342741A (en) | 2016-02-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510652141.6A Pending CN105342741A (en) | 2015-10-10 | 2015-10-10 | Bone repair fixator and production method thereof |
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| CN105434092A (en) * | 2016-01-06 | 2016-03-30 | 上海昕健医疗技术有限公司 | External fixation support based on three-dimensional printing and manufacturing method thereof |
| CN105583659A (en) * | 2016-03-01 | 2016-05-18 | 西安理工大学 | Manufacturing method of customized jaw vice for clamping part with complex molded surface |
| CN110811933A (en) * | 2019-12-12 | 2020-02-21 | 安徽中健三维科技有限公司 | Titanium alloy bone defect support based on 3D printing technology |
| CN110840690A (en) * | 2019-10-24 | 2020-02-28 | 自贡市第四人民医院(自贡市急救中心) | Limb fixing device for operation disinfection and preparation method thereof |
| US11882888B1 (en) | 2019-09-29 | 2024-01-30 | Protect3D, Inc. | Customized protective devices and systems and methods for producing the same |
| US11931281B1 (en) * | 2022-12-30 | 2024-03-19 | Protect3D, Inc. | Adjustable brace and processes for making and using same |
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| CN104905899A (en) * | 2014-03-11 | 2015-09-16 | 江阴瑞康健生物医学科技有限公司 | External fixation support formed through 3D printing and used for personalized orthopedic and manufacturing method thereof |
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| CN104905899A (en) * | 2014-03-11 | 2015-09-16 | 江阴瑞康健生物医学科技有限公司 | External fixation support formed through 3D printing and used for personalized orthopedic and manufacturing method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105434092A (en) * | 2016-01-06 | 2016-03-30 | 上海昕健医疗技术有限公司 | External fixation support based on three-dimensional printing and manufacturing method thereof |
| CN105583659A (en) * | 2016-03-01 | 2016-05-18 | 西安理工大学 | Manufacturing method of customized jaw vice for clamping part with complex molded surface |
| US11882888B1 (en) | 2019-09-29 | 2024-01-30 | Protect3D, Inc. | Customized protective devices and systems and methods for producing the same |
| CN110840690A (en) * | 2019-10-24 | 2020-02-28 | 自贡市第四人民医院(自贡市急救中心) | Limb fixing device for operation disinfection and preparation method thereof |
| CN110811933A (en) * | 2019-12-12 | 2020-02-21 | 安徽中健三维科技有限公司 | Titanium alloy bone defect support based on 3D printing technology |
| CN110811933B (en) * | 2019-12-12 | 2021-09-03 | 安徽中健三维科技有限公司 | Titanium alloy bone defect support based on 3D printing technology |
| US11931281B1 (en) * | 2022-12-30 | 2024-03-19 | Protect3D, Inc. | Adjustable brace and processes for making and using same |
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