CN105235216A - Method for manufacturing individualized artificial limb through 3D printing and artificial limb of method - Google Patents

Method for manufacturing individualized artificial limb through 3D printing and artificial limb of method Download PDF

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Publication number
CN105235216A
CN105235216A CN201510721119.2A CN201510721119A CN105235216A CN 105235216 A CN105235216 A CN 105235216A CN 201510721119 A CN201510721119 A CN 201510721119A CN 105235216 A CN105235216 A CN 105235216A
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China
Prior art keywords
limbs
incomplete
limb
threedimensional model
artifucial limb
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CN201510721119.2A
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Chinese (zh)
Inventor
赵小文
张东锋
赵文平
蔡君华
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SHENZHEN EXCELLENT TECHNOLOGY Co Ltd
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SHENZHEN EXCELLENT TECHNOLOGY Co Ltd
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Priority to CN201510721119.2A priority Critical patent/CN105235216A/en
Publication of CN105235216A publication Critical patent/CN105235216A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a method for manufacturing an individualized artificial limb through 3D printing and an artificial limb of the method. The method includes the steps that A, a three-dimensional image of an incomplete limb is obtained and analyzed through information data of the incomplete limb, and a three-dimensional model of the incomplete limb is established; B, before-defect original appearance simulation is conducted according to characteristics of a symmetrical and complete limb and the incomplete limb, and characteristics of the missing part of the incomplete limb are obtained; C, simulation matching is conducted on the incomplete limb and the missing part of the incomplete limb, and a three-dimensional model of the artificial limb is obtained; and D, the three-dimensional model of the incomplete limb is led into a 3D printer, and the artificial limb is printed according to the size ratio of 1 to 1. The artificial limb printed according to the method conforms to the sport dynamics and the physiological structural mechanics; compared with a true human limb, biofidelity and similarity reach 60% or above; and the method for manufacturing the individualized artificial limb through 3D printing is high in manufacturing speed, can meet requirements of different users and provides great convenience for the users.

Description

The preparation method that a kind of individuation artifucial limb 3D prints and artifucial limb thereof
Technical field
The present invention relates to 3D and print field, particularly relate to preparation method and the artifucial limb thereof of a kind of individuation artifucial limb 3D printing.
Background technology
Annual because disease or accident, industrial injury cause the people of physical disabilities countless, and the disappearance of limbs all causes very large impact to patient body and psychology.For these patients, artifucial limb and servicing unit can help them to regain limb function.Traditional artifucial limb manufacturing process is very complicated, and outward appearance and comfort level are not fine; And because artifucial limb is personalized strong, be artifucial limb equally, because of the difference of individual amputation site, body sign is different, and demand is different, the assembling of its artifucial limb all can be different from structure, type, size.So to the manufacture craft of traditional artifucial limb, artificial limb makes teacher strict professional skill requirement, and manufacture artifucial limb and need according to the skeleton character analogue formation, casting, reverse mould, filling, adjustment etc. of Different Individual, its step complexity is loaded down with trivial details, time-consuming takes a lot of work and cost is high.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the preparation method that the object of the present invention is to provide a kind of individuation artifucial limb 3D to print and artifucial limb thereof, be intended to solve in prior art and cannot make personalized artifucial limb according to user's actual need, or make that artifucial limb step is complicated, time-consuming takes a lot of work and the high problem of cost.
Technical scheme of the present invention is as follows:
The preparation method that individuation artifucial limb 3D prints, wherein, comprises the following steps:
A, information data by incomplete limbs, obtain and analyze the 3-D view of incomplete limbs, setting up the threedimensional model of incomplete limbs;
B, feature according to incomplete limbs and the intact limbs of symmetry, carry out original appearance simulation before defect to the threedimensional model of incomplete limbs, obtain the feature at deficiency of skeletal limb position;
C, incomplete limbs and deficiency of skeletal limb position are carried out to simulation coupling, obtain the threedimensional model of artifucial limb;
D, virtual dynamic installation is carried out to the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb simulate, and import in 3D printer, print artifucial limb by the volume ratio of 1:1.
The preparation method that described individuation artifucial limb 3D prints, wherein, also comprises after described steps A:
S1, the threedimensional model of incomplete limbs is converted into the arbitrary file format in stl, stp, obj, max, 3ds, ma, vtk or igs file and store.
The preparation method that described individuation artifucial limb 3D prints, wherein, also comprises after described step C:
S2, the threedimensional model of artifucial limb is converted into the arbitrary file format in stl, stp, obj, max, 3ds, ma, vtk or igs file and store.
The preparation method that described individuation artifucial limb 3D prints, wherein, described steps A specifically comprises:
A1, gather the information data of incomplete limbs, and imported in computer, obtain the 3-D view of incomplete limbs;
A2, the 3-D view of incomplete limbs to be analyzed, obtain the reverse attachment data of incomplete limbs, set up the threedimensional model of incomplete limbs.
The preparation method that described individuation artifucial limb 3D prints, wherein, described step B specifically comprises:
The information data of B1, the symmetrical intact limbs of collection, and imported in computer, obtain the 3-D view of symmetrical intact limbs; The limbs that described symmetry is intact become specular with described incomplete limbs;
B2, feature according to incomplete limbs and the intact limbs of symmetry, carry out original appearance simulation before defect to the threedimensional model of incomplete limbs, simulate the limbs before incomplete physical impairment, thus obtain the feature at deficiency of skeletal limb position.
The preparation method that described individuation artifucial limb 3D prints, wherein, described step C specifically comprises:
C1, obtain the threedimensional model at deficiency of skeletal limb position, and carry out simulation with the threedimensional model of incomplete limbs and mate;
C2, when simulating coupling, by superposition repeatedly, the interface between incomplete limbs and deficiency of skeletal limb position is made up completely, thus obtain the threedimensional model of artifucial limb.
The preparation method that described individuation artifucial limb 3D prints, wherein, described step D specifically comprises:
D1, virtual dynamic installation carried out to the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb simulate, obtain incomplete limbs and artifucial limb install after simulate effect;
The threedimensional model of artifucial limb also imports in 3D printer by D2, prints artifucial limb by 1:1.
The preparation method that described individuation artifucial limb 3D prints, wherein, described step D also comprises:
D3, the threedimensional model of incomplete limbs to be imported in 3D printer, print incomplete limbs by individuation, and carry out Dynamic Matching in kind with the artifucial limb printed.
A kind of artifucial limb, wherein, the preparation method printed by above-mentioned individuation artifucial limb 3D is made.
Beneficial effect: the preparation method that a kind of individuation artifucial limb 3D of the present invention prints and artifucial limb thereof, it is by analyzing the information data such as shape and deficiency of skeletal limb position of incomplete limbs, and original appearance is simulated before carrying out defect according to the feature of the intact limbs of symmetry, thus construct the threedimensional model at deficiency of skeletal limb position and the threedimensional model of artifucial limb, import in 3D printer again, artifucial limb is printed by 1:1, thus obtain individuation artifucial limb, its manufacturing speed is fast, and the demand of different user can be met, for user provides great convenience.
Accompanying drawing explanation
Fig. 1 is the preparation method flow chart that individuation artifucial limb 3D of the present invention prints.
Fig. 2 is the flow chart in the preparation method step S100 of individuation artifucial limb 3D of the present invention printing.
Fig. 3 is the flow chart in the preparation method step S200 of individuation artifucial limb 3D of the present invention printing.
Fig. 4 is the flow chart in the preparation method step S300 of individuation artifucial limb 3D of the present invention printing.
Fig. 5 is the flow chart in the preparation method step S400 of individuation artifucial limb 3D of the present invention printing.
Detailed description of the invention
The invention provides preparation method and the artifucial limb thereof of a kind of individuation artifucial limb 3D printing, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
As shown in Figure 1, the invention provides preparation method and the artifucial limb thereof of a kind of individuation artifucial limb 3D printing, wherein, comprise the following steps:
S100, information data by incomplete limbs, obtain and analyze the 3-D view of incomplete limbs, setting up the threedimensional model of incomplete limbs;
S200, feature according to incomplete limbs and the intact limbs of symmetry, carry out original appearance simulation before defect to the threedimensional model of incomplete limbs, obtain the feature at deficiency of skeletal limb position;
S300, incomplete limbs and deficiency of skeletal limb position are carried out to simulation coupling, obtain the threedimensional model of artifucial limb;
S400, virtual dynamic installation is carried out to the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb simulate, and import in 3D printer, print artifucial limb by the volume ratio of 1:1.
The present invention is by analyzing the information data such as shape and deficiency of skeletal limb position of incomplete limbs, and original appearance is simulated before carrying out defect according to the feature of the intact limbs of symmetry, thus construct the threedimensional model at deficiency of skeletal limb position and the threedimensional model of artifucial limb, import in 3D printer again, print artifucial limb by the volume ratio of 1:1, thus obtain individuation artifucial limb, its manufacturing speed is fast, and the demand of different user can be met, for user provides great convenience.
In the prior art, because of the difference of individual amputation site, different and the equal reason of demand of body sign, the assembling of its artifucial limb all can be different from structure, type, size, for the solution of the problems referred to above, how to make teacher by artifucial limb and make according to the demand of Different Individual, it need according to the technique such as skeleton character analogue formation, casting, reverse mould, filling, adjustment of Different Individual, waste time and energy, and expensive.And the present invention is just based on the improvement that above-mentioned defect is made, namely by analyzing the structure of incomplete limbs and its symmetrical intact limbs, thus the threedimensional model at deficiency of skeletal limb position is constructed, then in conjunction with 3D printing technique, produce the artifucial limb of individuation, to meet the actual demand of different user.
Refer to Fig. 2, as shown in the figure, step S100 of the present invention specifically comprises: S110, gather the information data of incomplete limbs, and is imported in computer, obtains the 3-D view of incomplete limbs; S120, the 3-D view of incomplete limbs to be analyzed, obtain the reverse attachment data of incomplete limbs, set up the threedimensional model of incomplete limbs.
Specifically, in the step s 100, by gathering the information data of incomplete limbs, analyze its physiological structure and anatomical structure, again the image data of incomplete for patient limbs and symmetrical intact limbs is imported computer, precise restoration obtains the 3-D view of incomplete limbs, then analyzes the 3-D view of incomplete limbs, obtain the reverse attachment data of incomplete limbs, set up the threedimensional model of incomplete limbs.It should be noted that, the limbs that symmetry is here intact refer to become specular with incomplete limbs and intact limbs, such as right leg is incomplete, and its symmetrical intact limbs are exactly left leg.
Further, as shown in Figure 3, described step S200 specifically comprises S201, gathers the information data of symmetrical intact limbs, and is imported in computer, obtains the 3-D view of symmetrical intact limbs; The limbs that described symmetry is intact become specular with described incomplete limbs; S202, feature according to incomplete limbs and the intact limbs of symmetry, carry out original appearance simulation before defect to the threedimensional model of incomplete limbs, simulate the limbs before incomplete physical impairment, thus obtain the feature at deficiency of skeletal limb position.It should be noted that, the information data of incomplete limbs described in the present invention comprises the size of incomplete limbs, and (length, the leg of such as limbs enclose, hand encloses, incomplete interface size etc.), the information such as the Interface Shape size of profile and incompleteness, the information data of the limbs that described symmetry is intact comprises the size of limbs (length, the leg of such as limbs enclose, hand enclose) and profile etc.Passing through physiological structure and anatomical structure etc. that obtained information data analyzes incomplete limbs, preparing for designing accurate in size artifucial limb.
In step s 200, the feature of the limbs intact according to symmetry and incomplete limbs, before carrying out defect to the threedimensional model of incomplete limbs, original appearance is simulated, and obtains the feature at deficiency of skeletal limb position; Incomplete limbs and deficiency of skeletal limb position interface are reached mate completely and make up completely.Here before defect, namely original appearance simulation is the overall shape before simulating physical impairment in a computer, thus obtains the feature at the deficiency of skeletal limb position lost.Can be obtained the shape facility at deficiency of skeletal limb position rapidly and accurately by computer simulation, without the need to by manual measurement and polishing, its modelling efficiency is high, and effectively can reduce labour cost.
Preferably, in step S300, simulation coupling is carried out to incomplete limbs and deficiency of skeletal limb position, in simulation matching process, need superposition repeatedly be carried out repeatedly, make incomplete limbs and deficiency of skeletal limb position reach conjugation high, splice the requirements such as tight, thus obtain the threedimensional model of artifucial limb.As described in Figure 4, in embodiments of the present invention, described step S300 specifically comprises: S301, obtain the threedimensional model at deficiency of skeletal limb position, and carries out simulation with the threedimensional model of incomplete limbs and mate; S302, when simulating coupling, by superposition repeatedly, the interface between incomplete limbs and deficiency of skeletal limb position is made up completely, thus obtain the threedimensional model of artifucial limb.It should be noted that, superposition repeatedly herein refers in computer software, incomplete limbs and deficiency of skeletal limb position is rotated by repeatedly moving around, and constantly revise the size of the threedimensional model of artifucial limb, make the two make up completely to link together, made artifucial limb size can be conformed to the size of the incomplete limbs of user.Making up here can be understood as the two and can link together in seamless unoccupied place at interface.
Preferably, as shown in Figure 5, described step S400 specifically comprises: S401, carry out virtual dynamic installation simulate the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb, obtain incomplete limbs and artifucial limb install after simulate effect; The threedimensional model of artifucial limb also imports in 3D printer by S402, prints artifucial limb by the volume ratio of 1:1.Namely in step S400, first carry out virtual dynamic installation to the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb to simulate, and import in 3D printer, i.e. threedimensional model and 3D printer slitless connection, realize individuation and print artifucial limb, preferably, artifucial limb can be printed by the volume ratio of 1:1, the threedimensional model of incomplete limbs can also be printed, realize mock-up fast.It should be noted that, the present invention does not limit and uses 3D printer, and it also can be other multidimensional print machine, such as 4D printer, 5D printer etc.Preferably, the effect that can also print according to 3D, carries out suitable surface treatment to mock-up, to reach the requirement of use.
More preferably, described step S400 also comprises: imported in 3D printer by the threedimensional model of incomplete limbs, individuation prints incomplete artificial limbs, and carries out Dynamic Matching in kind with the artifucial limb printed.
Preferred embodiment ground, before entering step S400, the threedimensional model of the artifucial limb designed can also be imported in inspection software detection of comparing, design, threedimensional model are carried out improving and optimized, thus obtain the individuation artifucial limb model optimized, to meet consumers' demand.
Particularly, also comprise after described step S100: S1, the threedimensional model of incomplete limbs is converted into the arbitrary file format in stl, stp, obj, max, 3ds, ma, vtk or igs file and store, for transmission, store, browse, check, amendment and processing.
Preferably, also comprise after described step S300: S2, the threedimensional model of artifucial limb is converted into the arbitrary file format in stl, stp, obj, max, 3ds, ma, vtk or igs file and store, for transmission, store, browse, check, amendment and processing.
In addition, the present invention also provides a kind of artifucial limb, and it is made by said method.The preparation method printed by individuation artifucial limb 3D of the present invention the artifucial limb that prints, its concrete individual individualized feature, and there is more than 60% institutional framework profile similarity, for patients with amputation; pathology is disabled, damage is disabled or congenital disabled person; animal etc. help it to realize basic function, with satisfied support, bear a heavy burden, take, the function such as motion.Also be not limited to printing artifucial limb in certain the present invention, it also can be used for printing the structures such as justice refers to.
The present invention also provides 3 kinds for carrying out the method for physical varification to made artifucial limb, specific as follows:
1. the artifucial limb that 3D prints is carried out 3D scanning, obtain artifucial limb 3-D graphic, the threedimensional model of the artifucial limb namely originally preserved with the prototype of design in computer carries out measurement comparison, checks the requirement before its whether satisfied design; 2. the defect limbs that the artifucial limb printed by 3D and 3D print carry out match test, reach the front requirement of design to check whether; 3. the incomplete limbs of the artifucial limb of design and user are carried out material object move (dynamically) verify, reach requirement before design to check whether.
In sum, the preparation method that a kind of individuation artifucial limb 3D of the present invention prints and artifucial limb thereof, it is by analyzing the information data such as shape and deficiency of skeletal limb position of incomplete limbs, and original appearance is simulated before carrying out defect according to the feature of the intact limbs of symmetry, thus construct the threedimensional model at deficiency of skeletal limb position and the threedimensional model of artifucial limb, import in 3D printer again, artifucial limb is printed by the volume ratio of 1:1, thus obtain individuation artifucial limb, its manufacturing speed is fast, and the demand of different user can be met, for user provides great convenience.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection domain that all should belong to claims of the present invention.

Claims (9)

1. a preparation method for individuation artifucial limb 3D printing, is characterized in that, comprise the following steps:
A, information data by incomplete limbs, obtain and analyze the 3-D view of incomplete limbs, setting up the threedimensional model of incomplete limbs;
B, feature according to incomplete limbs and the intact limbs of symmetry, carry out original appearance simulation before defect to the threedimensional model of incomplete limbs, obtain the feature at deficiency of skeletal limb position;
C, incomplete limbs and deficiency of skeletal limb position are carried out to simulation coupling, obtain the threedimensional model of artifucial limb;
D, virtual dynamic installation is carried out to the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb simulate, and import in 3D printer, print artifucial limb by the volume ratio of 1:1.
2. the preparation method of individuation artifucial limb 3D printing according to claim 1, is characterized in that, also comprise after described steps A:
S1, the threedimensional model of incomplete limbs is converted into the arbitrary file format in stl, stp, obj, max, 3ds, ma, vtk or igs file and store.
3. the preparation method of individuation artifucial limb 3D printing according to claim 1, is characterized in that, also comprise after described step C:
S2, the threedimensional model of artifucial limb is converted into the arbitrary file format in stl, stp, obj, max, 3ds, ma, vtk or igs file and store.
4. the preparation method of individuation artifucial limb 3D printing according to claim 1, it is characterized in that, described steps A specifically comprises:
A1, gather the information data of incomplete limbs, and imported in computer, obtain the 3-D view of incomplete limbs;
A2, the 3-D view of incomplete limbs to be analyzed, obtain the reverse attachment data of incomplete limbs, set up the threedimensional model of incomplete limbs.
5. the preparation method of individuation artifucial limb 3D printing according to claim 4, it is characterized in that, described step B specifically comprises:
The information data of B1, the symmetrical intact limbs of collection, and imported in computer, obtain the 3-D view of symmetrical intact limbs; The limbs that described symmetry is intact become specular with described incomplete limbs;
B2, feature according to incomplete limbs and the intact limbs of symmetry, carry out original appearance simulation before defect to the threedimensional model of incomplete limbs, simulate the limbs before incomplete physical impairment, thus obtain the feature at deficiency of skeletal limb position.
6. the preparation method of individuation artifucial limb 3D printing according to claim 5, it is characterized in that, described step C specifically comprises:
C1, obtain the threedimensional model at deficiency of skeletal limb position, and carry out simulation with the threedimensional model of incomplete limbs and mate;
C2, when simulating coupling, by superposition repeatedly, the interface between incomplete limbs and deficiency of skeletal limb position is made up completely, thus obtain the threedimensional model of artifucial limb.
7. the preparation method of individuation artifucial limb 3D printing according to claim 6, it is characterized in that, described step D specifically comprises:
D1, virtual dynamic installation carried out to the threedimensional model of incomplete limbs and the threedimensional model of artifucial limb simulate, obtain incomplete limbs and artifucial limb install after simulate effect;
The threedimensional model of artifucial limb also imports in 3D printer by D2, prints artifucial limb by the volume ratio of 1:1.
8. the preparation method of individuation artifucial limb 3D printing according to claim 7, it is characterized in that, described step D also comprises:
D3, imported in 3D printer by the threedimensional model of incomplete limbs, individuation prints incomplete artificial limbs, and carries out Dynamic Matching in kind with the artifucial limb printed.
9. an artifucial limb, is characterized in that, is made by method described in any one of claim 1-8.
CN201510721119.2A 2015-10-30 2015-10-30 Method for manufacturing individualized artificial limb through 3D printing and artificial limb of method Pending CN105235216A (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105617465A (en) * 2016-04-08 2016-06-01 深圳市艾科赛龙科技有限公司 Biological scaffold manufacturing method based on 3D printing and biological scaffold
GB2573647A (en) * 2018-03-29 2019-11-13 Open Bionics Ltd Prosthetic design and manufacture
CN112807136A (en) * 2020-11-17 2021-05-18 泰州国安医疗用品有限公司 Automated prosthetic molding system with material extraction
CN113034693A (en) * 2019-12-25 2021-06-25 财团法人工业技术研究院 Assistive modeling method and limb guide plate mechanism
CN113191829A (en) * 2021-06-04 2021-07-30 山东白令三维科技有限公司 3D printing quotation method, device, equipment and readable storage medium
CN114932682A (en) * 2022-06-30 2022-08-23 深圳市智能派科技有限公司 Method and system for monitoring photocuring printer in real time
US11526150B2 (en) 2017-07-10 2022-12-13 Hewlett-Packard Development Company, L.P. Inferring object attributes

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CN101879086A (en) * 2010-06-22 2010-11-10 中国人民解放军第三军医大学第一附属医院 Fabrication method for fracture fixator
CN102036625A (en) * 2008-05-28 2011-04-27 斯克特·苏米特 Prosthetic limb

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CN102036625A (en) * 2008-05-28 2011-04-27 斯克特·苏米特 Prosthetic limb
CN101879086A (en) * 2010-06-22 2010-11-10 中国人民解放军第三军医大学第一附属医院 Fabrication method for fracture fixator

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105617465A (en) * 2016-04-08 2016-06-01 深圳市艾科赛龙科技有限公司 Biological scaffold manufacturing method based on 3D printing and biological scaffold
CN105617465B (en) * 2016-04-08 2019-02-19 深圳市艾科赛龙科技股份有限公司 A kind of biological support production method and biological support based on 3D printing
US11526150B2 (en) 2017-07-10 2022-12-13 Hewlett-Packard Development Company, L.P. Inferring object attributes
GB2573647A (en) * 2018-03-29 2019-11-13 Open Bionics Ltd Prosthetic design and manufacture
CN113034693A (en) * 2019-12-25 2021-06-25 财团法人工业技术研究院 Assistive modeling method and limb guide plate mechanism
CN112807136A (en) * 2020-11-17 2021-05-18 泰州国安医疗用品有限公司 Automated prosthetic molding system with material extraction
CN113191829A (en) * 2021-06-04 2021-07-30 山东白令三维科技有限公司 3D printing quotation method, device, equipment and readable storage medium
CN114932682A (en) * 2022-06-30 2022-08-23 深圳市智能派科技有限公司 Method and system for monitoring photocuring printer in real time

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