CN108652794A - The design structure and production technology of 3D printing prosthetic socket - Google Patents
The design structure and production technology of 3D printing prosthetic socket Download PDFInfo
- Publication number
- CN108652794A CN108652794A CN201810459465.1A CN201810459465A CN108652794A CN 108652794 A CN108652794 A CN 108652794A CN 201810459465 A CN201810459465 A CN 201810459465A CN 108652794 A CN108652794 A CN 108652794A
- Authority
- CN
- China
- Prior art keywords
- prosthetic socket
- printing
- receptive cavity
- silica gel
- patient
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- A61F2/50—Prostheses not implantable in the body
- A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
- A61F2/80—Sockets, e.g. of suction type
-
- 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
-
- 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
- B33Y50/00—Data acquisition or data processing for additive manufacturing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Prostheses (AREA)
Abstract
The present invention relates to a kind of 3D printing prosthetic socket design structure and production technologies, it is characterised in that：3D printing prosthetic socket design structure by：Avoid the projection portion of bone end and need the silica gel sheath latch fitting that the sunk part of uniform stressed, the prosthetic socket shape of the mouth as one speaks, the fixed form of bottom outer wall cooperation hardware bluff piece, bottom reserve by hole and surface relief or pierced pattern form.The processing of 3D printing prosthetic socket obtains leg three dimensional data collection using hand-held scanner；GEOMAGIC and MAGICS softwares are used to complete the design of prosthetic socket contour model in a computer；The data for designing finished goods are imported to print to machine in nylon 3D printing equipment and are manufactured.For the present invention using CAD cooperation 3-D scanning and 3D printing technique, shorten receptive cavity takes the type time, make the size adjusting of repairing type more it is flexible accurately, be more uniformly stressed, increase the comfort level of patient, saved material and manpower.
Description
Technical field
The invention belongs to the field of medical instrument technology, it is related to a kind of prosthetic socket design structure and production technology, especially
It is related to a kind of design structure and production technology of 3D printing prosthetic socket.
Background technology
Receptive cavity is to store deformed limb wherein comfortably, and can relevant power be efficiently transferred to artificial limb distal end
The medical instrument at position.Conventional prosthesis industry at home, the manufacturing process of receptive cavity because excessively rely on artificial limb technician experience,
The factors such as gimmick, skill：For example it is difficult to ensure the accuracy of receptive cavity fitting, damage skin after causing patient's worn for long periods to be dressed
Skin delivers the excessive cycle of finished product, and the physical work of operating personnel is heavy, and working environment is poor.The gypsum used in processing can be made
There is sharp aroma that can be damaged to labourer's respiratory tract at dust pollution, the resin used, plaster mold and gypsum is taken to recycle work
Make the problems such as higher to physical fitness requirement.In addition, there is also manufacture craft backwardnesss：The work at scene is that traditional handicraft is lived mostly,
Use it is mostly be small tool and some machining apparatus, material needs patient to receive based on gypsum powder when acquiring mold
The personal modulus of gypsum mixtures and cleaning are to cut out by hand with the PVC wrappages before resin pumping mode, intricate operation.Up to not
To environment protection requirement:The gypsum used in existing manufacture craft can generate dust pollution to working environment.The tree used
Fat will produce sharp aroma, seriously affect the health of staff.Discontinuity：Traditional receptive cavity wear time can allow too long
The nigrescence necrosis of deformed limb skin, summer is not ventilative enough, due to hand-made it cannot be guaranteed that receptive cavity is bonded leg completely, down to stress
Not enough uniformly, worn for long periods has certain injury to patient legs, there is the risk of secondary amputation.
Invention content
The present invention overcomes above-mentioned defects, it is therefore an objective to improve working efficiency, using 3-D scanning as replacement
Conventional prosthesis industry depends on the experience and gimmick of technician, provides a kind of design structure and production work of 3D printing prosthetic socket
Skill.
The design structure and production technology content Description of 3D printing prosthetic socket of the present invention：
3D printing prosthetic socket design structure, be by：Local offset avoid be afraid of touch bone end, the prosthetic socket shape of the mouth as one speaks,
The silica gel sheath latch fitting that the bottom outer wall cooperation fixed form of hardware bluff piece, bottom reserve by hole and surface relief or hollow out
Pattern forms, and the prosthetic socket shape of the mouth as one speaks is the structure of a circle at the top of prosthetic socket, the fixation for coordinating hardware bluff piece
Template receptive cavity bottom, the silica gel sheath latch fitting reserved by hole similarly be arranged at the integrally-built bottom of prosthetic socket
Portion is equipped with local offset below the prosthetic socket shape of the mouth as one speaks and avoids the bone end that fearness is touched, and surface relief or pierced pattern are set
It sets in the opposed flattened region on receptive cavity surface.
3D printing prosthetic socket processes, and leg three dimensional data collection is obtained using hand-held scanner；It is calculating
In machine the design of prosthetic socket contour model is completed with GEOMAGIC and MAGICS softwares；The data for designing finished goods are imported into
Printing, which machines, in nylon 3D printing equipment manufactures, using following processing steps：
（1）, data acquisition：Patient legs' data are acquired by spatial digitizer：It is first put on to patient customized by the long girth of leg
Then silica gel sheath makes bone end mark with double faced adhesive tape on silica gel sheath, make to the position in design and suitably deviating
Processing；Standing or quiet seated posture are kept after allowing patient to dress silica gel sheath, using handheld three-dimensional scanner to patient's deformed limb
Do data acquisition, it is only necessary to acquire the offset functions finished within tens seconds and zoom in and out；
（2）, scanning file reparation：The STL models such as software or GEOMAGIC and MAGICS, which are carried, using scanner repairs software
Filling-up hole being carried out to scanning file or suture being repaired, software also can voluntarily identify that some planes of disruption and mini Mod carry out a key certainly
It is dynamic to repair；
（3）, receptive cavity design：STL models are imported in software complete conventional gypsum repair a die step：Pass through MAGICS pooling functions
Carry out the bonding of receptive cavity bottom fixed form；The drilling of bottom is handled, and artificial limb is carried out by the graver function of GEOMAGIC
The global shape of receptive cavity designs；The functions such as grid doctor and the unilateral reduction of triangle are smoothed, and fill up hole function use
With the repairing model plane of disruption；
（4）, data comparison：Accuracy of gauge is confirmed in software, utilizes the cutting function and filling-up hole function phase of GEOMAGIC
Cooperation determines the order of accuarcy of receptive cavity to measure the girth of cross section, is bonded, is made residual completely with patient legs with reaching
Limb stress equalization；
（5）, 3D printing：Nylon receptive cavity is printed using 3D printer, using infrared laser, to nylon, nylon glass, nylon
The nanometer powders such as carbon fiber are successively sintered, and the stereo product of any shape is produced；
（6）, complete：Assembly metalwork and artificial leg are simultaneously delivered for use, and are connect with receptive cavity using handware and carbon fiber sole, assemble
As artificial limb finished product.
The design structure and production technology of 3D printing prosthetic socket of the present invention, improve work efficiency, using computer
Computer Aided Design coordinates 3-D scanning technology and 3D printing technique, and substantially reduce receptive cavity takes the type time, makes the size of repairing type
Adjustment is more flexible accurate.By being more uniformly stressed for 3D printing receptive cavity, part will not be caused to squeeze to patient's stump site
Pressure, increases the comfort level of patient, and can be adjusted in design software, has saved material and manpower；Use 3D printing
It is more environmentally protective, it adequately ensure that the health of artificial limb technician.
Description of the drawings
Fig. 1 is the design structure schematic diagram of 3D printing prosthetic socket；
Fig. 2 is 3D printing prosthetic socket producing process flow chart；
In figure：1 be local offset avoid be afraid of touch bone end, 2 be the prosthetic socket shape of the mouth as one speaks, 3 be bottom outer wall cooperation hardware
The fixed form of bluff piece, 4 be the silica gel sheath latch fitting that reserves of bottom by hole, 5 be surface relief or pierced pattern.
Specific implementation mode
The design structure and production technology of 3D printing prosthetic socket of the present invention are achieved in that be made below in conjunction with the accompanying drawings
Specific description.
See Fig. 1, the design structure of 3D printing prosthetic socket, be by：It avoids the projection portion of bone end and needs equal
The sunk part 1 of even stress, the prosthetic socket shape of the mouth as one speaks 2, the fixed form 3 of bottom outer wall cooperation hardware bluff piece, bottom reserve
Silica gel sheath latch fitting by hole 4 and surface relief or pierced pattern 5 form, the setting of the prosthetic socket shape of the mouth as one speaks 2 receives in artificial limb
The integrally-built top of chamber, the silica gel sheath latch fitting that the bottom outer wall cooperation fixed form 3 of hardware bluff piece, bottom reserve by hole
Hole 4 is arranged in the integrally-built bottom of prosthetic socket, plays stress and protective effect, the recess of knee is stuck in patient knees
The function for clamping patient legs is had reached, the shape of the mouth as one speaks can generally rout up certain angle outward, to protect patient legs.Prosthetic socket
It is equipped with below the shape of the mouth as one speaks 2 and avoids the projection portion of bone end and need the sunk part 1 of uniform stressed, the deformed limb end of patient
Unsuitable stress, nerve endings is flourishing, thus needs reserved certain space protection end.It, can be at the position more than musculature
Slightly stress, can generally polish the position and to contract, to achieve the purpose that be fixedly clamped.Bottom junctions pass through bottom
The silica gel sheath latch fitting reserved by hole 4 30-35MM is fixed on using screw and the cooperation of industrial glue between, locking key can be inserted
Enter.5 surface reliefs or pierced pattern can also increase recess without changing internal structure, recessed at the corresponding acupuncture point in surface
It falls into place and increases magnet, to reach magnetic therapy purpose.
See that Fig. 2,3D printing prosthetic socket process the silica gel sheath and lockset for first choosing suitable dimension, existed with double faced adhesive tape
Some specific forced position labels are done outside silica gel sheath, and leg number when patient dresses silica gel sheath is acquired by spatial digitizer
According to.The broken hole of scanning file and fold texture are repaired using software, obtain a smooth deformed limb threedimensional model.First use
Software makes threedimensional model preliminary processing by whole scaling and segmentation scaling, then carries out more careful set to threedimensional model
Meter, such as：The bumps for the forced position that adjustment preceding mark is crossed, surplus is reserved at the bone for being afraid of stress with offset functions, is being needed
The place of stress is wanted with graver be recessed smoothly.It cuts export-oriented profile in software later, compensates outer rotating edge, bottom
The through-hole for then needing dozen certain size, penetrates convenient for the latch fitting of silica gel sheath.The handware made in advance is connected in software
The model and receptive cavity model at end are sutured, and also can do some apparent designs, Subgraph in receptive cavity outer surface at this time
Case and word can be used 3D printing tool software embossment on receptive cavity, and any image format may be selected in pattern, can also lead to
It crosses Three-dimensional Design Software and makes engraved structure.Several sections of girths for measuring receptive cavity respectively in software, determine accuracy of gauge.
If size is accurate, carries out thickening the smooth treatment with edge, obtain final threedimensional model.Then threedimensional model is passed through slice
One key of software generates mimeograph documents, imported into printing device, and powder supplies are successively sintered automatically using 3D printer, makes
Go out nylon or enhances the receptive cavity of nylon-type.It finally assembles metalwork and artificial leg and is delivered for use, it is complete using following processing steps
At：
1, data acquire：Patient legs' data are acquired by spatial digitizer：First put on by the long girth of leg silicon customized to patient
Then gum cover makes bone end mark with double faced adhesive tape on silica gel sheath, the place suitably deviated is made to the position in design
Reason；Standing or quiet seated posture are kept after allowing patient to dress silica gel sheath, and patient's deformed limb is done using handheld three-dimensional scanner
Data acquire, it is only necessary to acquire the offset functions finished within tens seconds and zoom in and out；
2, scanning file reparation：It is equal that the STL models such as software or GEOMAGIC and MAGICS reparation software is carried using scanner
Filling-up hole being carried out to scanning file or suture being repaired, it is automatic that software also can voluntarily identify that some planes of disruption and mini Mod carry out a key
It repairs；
3, receptive cavity designs：STL models are imported in software complete conventional gypsum repair a die step：By MAGICS pooling functions into
The bonding of row receptive cavity bottom fixed form；Drilling processing of bottom etc..Artificial limb is carried out by the graver function of GEOMAGIC
The global shape of receptive cavity designs；The functions such as grid doctor and the unilateral reduction of triangle are smoothed；Fill up hole function use
With the repairing model plane of disruption；
4, data comparison：Accuracy of gauge is confirmed in software, is matched using the cutting function and filling-up hole function of GEOMAGIC
It closes to measure the girth of cross section, and then determines the order of accuarcy of receptive cavity, be bonded completely with patient legs with reaching, make deformed limb
The purpose of stress equalization；
5,3D printing：Nylon receptive cavity is printed using 3D printer, using infrared laser, to nylon, nylon glass, nylon carbon
The nanometer powders such as fiber are successively sintered, to produce the stereo product of any shape；
6, it completes：Assembly metalwork and artificial leg are simultaneously delivered for use, and are connect, are assembled into receptive cavity using handware and carbon fiber sole
For artificial limb finished product.
The design structure and production technology of 3D printing prosthetic socket of the present invention, improve work efficiency, using computer
Computer Aided Design coordinates 3-D scanning technology and 3D printing technique, and substantially reduce receptive cavity takes the type time, makes the size of repairing type
Adjustment is more flexible accurate.By being more uniformly stressed for 3D printing receptive cavity, part will not be caused to squeeze to patient's stump site
Pressure, increases the comfort level of patient, and can be adjusted in design software, has saved material and manpower；Use 3D printing
It is more environmentally protective, it adequately ensure that the health of artificial limb technician.
Claims (2)
1. a kind of 3D printing prosthetic socket design structure, it is characterised in that：3D printing prosthetic socket design structure by：It avoids
The projection portion of bone end and the sunk part for needing uniform stressed（1）, the prosthetic socket shape of the mouth as one speaks（2）, bottom outer wall cooperation
The fixed form of hardware bluff piece（3）, the silica gel sheath latch fitting that reserves of bottom by hole（4）With surface relief or pierced pattern
（5）Composition, the prosthetic socket shape of the mouth as one speaks（2）Setting coordinates hardware bluff piece in the integrally-built top of prosthetic socket, bottom outer wall
Fixed form（3）, the silica gel sheath latch fitting that reserves of bottom by hole（4）It is arranged at the integrally-built bottom of prosthetic socket
Portion, in the prosthetic socket shape of the mouth as one speaks（2）Below be equipped with and avoid the projection portion of bone end and needing the recessed portion of uniform stressed
Point（1）, surface relief or pierced pattern（5）It is arranged in the corresponding flattened region in surface.
2. a kind of production technology of 3D printing prosthetic socket design structure, it is characterised in that：3D printing prosthetic socket is processed
It produces and uses hand-held scanner and obtains leg three dimensional data collection；GEOMAGIC and MAGICS softwares are used to complete in a computer
Prosthetic socket contour model designs；The data for designing finished goods are imported into printing in nylon 3D printing equipment and machine life
Production makes, using following processing steps：
（1）, data acquisition：Patient legs' data are acquired by spatial digitizer：It is first put on to patient customized by the long girth of leg
Then silica gel sheath makes bone end mark with double faced adhesive tape on silica gel sheath, make to the position in design and suitably deviating
Processing；Standing or quiet seated posture are kept after allowing patient to dress silica gel sheath, using handheld three-dimensional scanner to patient's deformed limb
Data acquisition is done, the offset functions of acquisition are zoomed in and out；
（2）, scanning file reparation：The STL models such as software or GEOMAGIC and MAGICS, which are carried, using scanner repairs software
Filling-up hole being carried out to scanning file or suture being repaired, software voluntarily identifies that the plane of disruption and mini Mod carry out a key and repair automatically；
（3）, receptive cavity design：STL models are imported in software complete conventional gypsum repair a die step：Pass through MAGICS pooling functions
Carry out the bonding of receptive cavity bottom fixed form；The drilling of bottom is handled, and artificial limb is carried out by the graver function of GEOMAGIC
The global shape of receptive cavity designs；The functions such as grid doctor and the unilateral reduction of triangle are smoothed, and fill up hole function use
With the repairing model plane of disruption；
（4）, data comparison：Accuracy of gauge is confirmed in software, utilizes the cutting function and filling-up hole function phase of GEOMAGIC
Cooperation determines the order of accuarcy of receptive cavity to measure the girth of cross section, is bonded, is made residual completely with patient legs with reaching
Limb stress equalization；
（5）, 3D printing：Nylon receptive cavity is printed using 3D printer, using infrared laser, to nylon, nylon glass, nylon
The nanometer powders such as carbon fiber are successively sintered, and the stereo product of any shape is produced；
（6）, complete：Assembly metalwork and artificial leg are simultaneously delivered for use, and are connect with receptive cavity using handware and carbon fiber sole, assemble
As artificial limb finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459465.1A CN108652794A (en) | 2018-05-15 | 2018-05-15 | The design structure and production technology of 3D printing prosthetic socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810459465.1A CN108652794A (en) | 2018-05-15 | 2018-05-15 | The design structure and production technology of 3D printing prosthetic socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108652794A true CN108652794A (en) | 2018-10-16 |
Family
ID=63779534
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810459465.1A Pending CN108652794A (en) | 2018-05-15 | 2018-05-15 | The design structure and production technology of 3D printing prosthetic socket |
Country Status (1)
| Country | Link |
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| CN (1) | CN108652794A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110001052A (en) * | 2019-04-12 | 2019-07-12 | 河南师范大学 | A method of 3 D stereo flexibility inscriptions on bones or tortoise shells calligraphy work is made based on 3D printing technique |
| CN110123495A (en) * | 2019-05-07 | 2019-08-16 | 北京通和营润智能科技发展有限公司 | It is a kind of based on 3-D scanning printing the customized system of artificial limb, method and device |
| CN110406107A (en) * | 2019-06-05 | 2019-11-05 | 广州市康义博假肢矫形技术有限公司 | A kind of artifucial limb receptive cavity design method, system, electronic equipment and storage medium based on 3D printing |
| CN112976563A (en) * | 2021-01-28 | 2021-06-18 | 中国残疾人辅助器具中心 | Manufacturing device and manufacturing method for 3D printing artificial leg socket |
| CN114259331A (en) * | 2021-12-23 | 2022-04-01 | 湖北省康复辅具技术中心 | Manufacturing method of material-increasing manufacturing integrated artificial leg |
| CN115563846A (en) * | 2022-11-09 | 2023-01-03 | 成都体育学院 | Method, device and storage medium for designing digital model of artificial limb socket |
| CN117771031A (en) * | 2024-02-27 | 2024-03-29 | 国家康复辅具研究中心 | Design method and system of artificial leg receiving cavity |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110001052A (en) * | 2019-04-12 | 2019-07-12 | 河南师范大学 | A method of 3 D stereo flexibility inscriptions on bones or tortoise shells calligraphy work is made based on 3D printing technique |
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| CN110123495A (en) * | 2019-05-07 | 2019-08-16 | 北京通和营润智能科技发展有限公司 | It is a kind of based on 3-D scanning printing the customized system of artificial limb, method and device |
| CN110406107A (en) * | 2019-06-05 | 2019-11-05 | 广州市康义博假肢矫形技术有限公司 | A kind of artifucial limb receptive cavity design method, system, electronic equipment and storage medium based on 3D printing |
| CN112976563A (en) * | 2021-01-28 | 2021-06-18 | 中国残疾人辅助器具中心 | Manufacturing device and manufacturing method for 3D printing artificial leg socket |
| CN114259331A (en) * | 2021-12-23 | 2022-04-01 | 湖北省康复辅具技术中心 | Manufacturing method of material-increasing manufacturing integrated artificial leg |
| CN114259331B (en) * | 2021-12-23 | 2024-07-26 | 湖北省康复辅具技术中心 | Manufacturing method of additive manufacturing integrated artificial leg |
| CN115563846A (en) * | 2022-11-09 | 2023-01-03 | 成都体育学院 | Method, device and storage medium for designing digital model of artificial limb socket |
| CN117771031A (en) * | 2024-02-27 | 2024-03-29 | 国家康复辅具研究中心 | Design method and system of artificial leg receiving cavity |
| CN117771031B (en) * | 2024-02-27 | 2024-04-26 | 国家康复辅具研究中心 | Design method and system of artificial leg receiving cavity |
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Application publication date: 20181016 |