CN107214943A - A kind of 3D printing finger-separating plate preparation method - Google Patents
A kind of 3D printing finger-separating plate preparation method Download PDFInfo
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- CN107214943A CN107214943A CN201710428494.7A CN201710428494A CN107214943A CN 107214943 A CN107214943 A CN 107214943A CN 201710428494 A CN201710428494 A CN 201710428494A CN 107214943 A CN107214943 A CN 107214943A
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- 238000010146 3D printing Methods 0.000 title claims abstract description 21
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- 238000012545 processing Methods 0.000 claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 15
- 206010062575 Muscle contracture Diseases 0.000 claims abstract description 5
- 208000006111 contracture Diseases 0.000 claims abstract description 5
- 210000003205 muscle Anatomy 0.000 claims description 17
- 238000007639 printing Methods 0.000 claims description 14
- 238000005516 engineering process Methods 0.000 claims description 10
- 210000003811 finger Anatomy 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 9
- 210000000811 metacarpophalangeal joint Anatomy 0.000 claims description 8
- 230000000399 orthopedic effect Effects 0.000 claims description 8
- 210000003414 extremity Anatomy 0.000 claims description 7
- 241000905957 Channa melasoma Species 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 238000003466 welding Methods 0.000 claims description 5
- 238000002591 computed tomography Methods 0.000 claims description 4
- 239000004417 polycarbonate Substances 0.000 claims description 4
- 229920000515 polycarbonate Polymers 0.000 claims description 4
- 239000000843 powder Substances 0.000 claims description 4
- 238000010424 printmaking Methods 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 208000035126 Facies Diseases 0.000 claims description 3
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- 230000006835 compression Effects 0.000 claims description 3
- 238000007906 compression Methods 0.000 claims description 3
- 238000011156 evaluation Methods 0.000 claims description 3
- 210000004247 hand Anatomy 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000005498 polishing Methods 0.000 claims description 3
- 210000003813 thumb Anatomy 0.000 claims description 3
- 210000000707 wrist Anatomy 0.000 claims description 3
- 210000003857 wrist joint Anatomy 0.000 claims description 3
- 210000001145 finger joint Anatomy 0.000 claims description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 claims 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 claims 1
- 210000003041 ligament Anatomy 0.000 claims 1
- 230000001225 therapeutic effect Effects 0.000 abstract description 2
- 238000009740 moulding (composite fabrication) Methods 0.000 description 4
- 238000011161 development Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 206010008190 Cerebrovascular accident Diseases 0.000 description 1
- 208000002330 Congenital Heart Defects Diseases 0.000 description 1
- 208000006011 Stroke Diseases 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002490 cerebral effect Effects 0.000 description 1
- 208000028831 congenital heart disease Diseases 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/107—Measuring physical dimensions, e.g. size of the entire body or parts thereof
- A61B5/1072—Measuring physical dimensions, e.g. size of the entire body or parts thereof measuring distances on the body, e.g. measuring length, height or thickness
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/22—Ergometry; Measuring muscular strength or the force of a muscular blow
- A61B5/224—Measuring muscular strength
- A61B5/225—Measuring muscular strength of the fingers, e.g. by monitoring hand-grip force
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/45—For evaluating or diagnosing the musculoskeletal system or teeth
- A61B5/4528—Joints
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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
- A61F5/10—Devices for correcting deformities of the fingers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0274—Stretching or bending or torsioning apparatus for exercising for the upper limbs
- A61H1/0285—Hand
- A61H1/0288—Fingers
-
- 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
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Abstract
The invention discloses a kind of 3D printing finger-separating plate preparation method, it is characterised in that comprises the steps of：A, assessment and prescription；B, scanning；C, finger-separating plate modeling；File after processing is imported into the 3D such as 3D Max processing softwares, is modified by clinical treatment demand, generates 3D finger-separating plate model files；D, printed material and method selection；Fining-off after E, brace finished product.The 3D printing finger-separating plate that the present invention is produced has personalized and precision feature, 1）Can be fitted hand-type, 3 points of compressings, play good biomethanics therapeutic effect, 2）Comfortable, fashion attractive in appearance is worn, patient is ready persistently to use, 3）Wear for a long time, the flexion contracture of finger can be prevented, help to recover the hand function of patient.
Description
Technical field
The present invention relates to a kind of finger-separating plate, specifically a kind of 3D printing finger-separating plate preparation method.
Background technology
3D printing be one kind based on mathematical model file, first pass through microcomputer modelling software modeling, then will build up
Threedimensional model " subregion " into section successively, instruct printer with powdery metal or plastics etc. can jointing material, by by
The mode of layer printing carrys out the technology of constructed object.Common used material has the materials such as plastic nylon, gypsum, titanium alloy, rubber.Often at present
The selective laser sintering technology of Method of printing, fusion sediment Modeling Technology, multiinjector forming technique and stereosopic printing art
Deng.
1986, Charles Hull developed First business 3D printing machines, and this technology has undergone the development of nearly 30 years
[1].Start to be used for modeling in industrial design field, apply afterwards in building, automobile, Aero-Space, medical industries etc.
Carry out rapidly in field.11 the end of month in 2014,3D printing technique quilt《Epoch》Weekly is 25 annual best inventions in 2014.3D is beaten
The advantage of print is can faster, more inexpensive production product.But have the disadvantage maturation printed material it is less, printing objects it is clear
Degree is difficult to ensure that.And due to the limitation of print speed, it is impossible to applied to a large amount of productions.
In terms of medical science, in November, 2012, Scotland scientist prints people with 3D printer first using human body cell
Make liver organization.In August, 2014,3D printing cranium, vertebra implantation human body.3D printing in October, 2014 heart is brought back to life 2 weeks big
Congenital heart disease baby.Existing scholar applies 3D printing technique, production and research and development foot orthotic in artificial limb orthopedic arts, makes youngster
Child does evil through another person, ectoskeleton KAFO, justice refer to.Domestic 3D printing auxiliary brace also has development, scanning, 3D moldings, Method of printing,
In terms of the selection of printed material, indication, constantly there is new development.
Existing finger-separating plate is prefabricated, point big, medium and small 3 class.1）Can not be fitted hand-type, it is impossible to play good biomethanics
Therapeutic effect, 2）Wear uncomfortable, or even pain, the continuing of influence patient uses.
The content of the invention
It is an object of the invention to provide a kind of 3D printing finger-separating plate preparation method, to solve to propose in above-mentioned background technology
The problem of.
To achieve the above object, the present invention provides following technical scheme：
A kind of 3D printing finger-separating plate preparation method, it is characterised in that comprise the steps of：
A, assessment and prescription；
B, scanning；
C, finger-separating plate modeling；File after processing is imported into the 3D such as 3D Max processing softwares, modified by clinical treatment demand,
Generate 3D finger-separating plate model files.
D, printed material and method selection；
Fining-off after E, brace finished product.
It is used as the further scheme of the present invention：The step A is specifically included：1st, Muscle tensility is assessed：Palm is suffered from evaluation respectively
Articulations digitorum manus, the Muscle tensility of five interphalangeal joint musculus flexors, 2, range of motion assess:Metacarpophalangeal joints are evaluated, five, finger is closed between referring to
Save active and passive range of motion, 3, right-hand man determines and assess：To the distance of ligamentum carpi transversum at the top of right-hand man's thumb, middle finger, judge
Whether both hands are symmetrical, and 4, strong palm articulations digitorum manus, interphalangeal joint song angle in the wrong when determining modulus, 5, determine the position of pressure bandage.
It is used as the further scheme of the present invention：The step B includes：1. hand print making：With soft husky mud（It is similar to
Plasticine）A smooth mould is made, the strong hand of patient is placed on above, by the requirement of the 4th step in step A, one is squeezed into
The stamp of individual hand, is then scanned with hand-held optics 3D scanners, generation STL or obj file；2., either scans：Use optics
3D scanners are directly scanned to strong hand, and strong hand puts posture, generation STL or obj file, watch face by prescription A requirement
The complexity of shape from multiple Different Planes, it is necessary to be acquired, it is therefore desirable to which individual keeps limbs and hand stable at 1-2 points
Kind.3., CT scan hand held scanner light weight, can be operated around limbs,：Directly strong hand is scanned with CT, hand is good for by step
Posture is put in the requirement of the 4th step in rapid A, generates stl file.
It is used as the further scheme of the present invention：The step C is specifically included：Ith, profile is handled：A mirror image processings：Such as left and right
Hand is symmetrical, the stamp obtained from strong hand, is changed into suffering from the stamp of hand after mirror image processing.It is such as asymmetric, according to measurement after mirror image processing
As a result modify, b, profile are revised：Determine the profile of finger-separating plate, II, bar hole makes：C, the fixed bar hole needed：For wearing
Cross fixing band, fixed wrist joint（1）, metacarpophalangeal joints；D, orthopedic needs bar hole：By the requirement of the 5th step in step A, output
Bar hole, enable through fixing band by 3 points compressing principles, correct flexion contracture interphalangeal joint and metacarpophalangeal joints；IIIth, it is overall
Replicate：The above-mentioned stamp made is copied as 2 parts, a pending, portion is stand-by；IVth, muscle line is handled：By pending print
Mould facies palmaris does the processing of muscle line according to mechanics principle, increases the bent compression capability of the palm；Vth, extrude, welding：After the processing of muscle line
Stamp is overleaf extruded 3mm and welded with stand-by model, the leak after repairing welding, 3D finger-separating plate model basic formings,
VIth, hole is handled：3D finger-separating plates palmar hand, finger section are punched, patient was both breathed freely when wearing, but it is light, improve patient and wear
Comfort level when wearing, hole can reduce the time for using and printing of material；VIIth, the 3D finger-separating plates model file being finally molded with
STL, OBJ form are exported to 3D printer section.
It is used as the further scheme of the present invention：The step D is specifically：Printed, beaten using FDM or SLA or SLS technologies
The material of print can be the materials such as ABS, PLA, photosensitive resin, nylon, polycarbonate powder, be entered with the subsidiary software of printer
Row section and Method of printing are set.
It is used as the further scheme of the present invention：The step E is specifically：The finger-separating plate surface for removing backing material is thicker
It is rough, with quartzy sand paper manual polishing.
Compared with prior art, the beneficial effects of the invention are as follows：1st, patient's scope is applicable to expand：Original is applied to cerebral apoplexy and suffered from
Person, at present suitable for rehabilitation department, orthopaedics, hand surgery needs opponent to fix or orthopedic patient.
2nd, more there is science；Functional assessment is carried out to patient, then by biomechanical principle and neuro-physiology principle, opened
Go out prescription.
3rd, scan method expands；Except hand print making, man-hour manually hand-held directly scanning and CT scan are also extend at present.
4th, scan method is innovated：To strong hand scanning, then mirror image reversal is suffers from hand, is conducive to putting for position on demand（Suffer from
Hand is more difficult to be coordinated）
5th, finger-separating plate modeling innovation：
（1）Figure mirror image processing：The stamp obtained from strong hand, is changed into suffering from the stamp of hand after reverse mirror image processing.
（2）Bar hole makes：It is divided into the bar hole that A fixes needs：The bar hole of the orthopedic needs of B
（3）The processing of muscle line：It is made in palmar and does the processing of muscle line, increases the bent compression capability of the palm.
6th, the scope of printed material and method expands：Use FDM（Melted extrusion modeling）, SLA (stereolithograghy),
Or SLS（Laser sintered formula）Technology is printed, and the material of printing is ABS, PLA, photosensitive resin, nylon, polycarbonate powder
Deng.
7th, the fining-off after brace finished product：Using the fixing band that one side is smooth, by prescription requirements, to patient's finger and hand
The palm, wrist be fixed with it is orthopedic.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
A kind of 3D printing finger-separating plate preparation method, is comprised the steps of：
A, assessment and prescription：Assess：
1st, Muscle tensility is assessed:Palm articulations digitorum manus, the Muscle tensility of five interphalangeal joint musculus flexors are suffered from evaluation respectively.
2nd, range of motion is assessed:Evaluate metacarpophalangeal joints, five active and passive range of motion of interphalangeal joint of finger.
3rd, right-hand man, which determines, assesses：To the distance of ligamentum carpi transversum at the top of right-hand man's thumb, middle finger, judge whether both hands are right
Claim.
Prescription：
4th, strong palm articulations digitorum manus during modulus, interphalangeal joint song angle in the wrong are determined（According to passive joint mobility）.
5th, the position of pressure bandage is determined（Three point force principle, orthotic joint song contracture in the wrong）
B, scanning：
1. hand print making：With soft husky mud（Similar to plasticine）A smooth mould is made, the strong hand of patient is put
Above, by the requirement of the 4th step in step A, the stamp of a hand is squeezed into, then with hand-held optics 3D scanners (Sense)
It is scanned, generates（STL or obj file）.
2. either scans：Directly strong hand is scanned with optics 3D scanners (Sense), hand is good for and presses the 4th step in step A
Requirement put posture, generate（STL or obj file）.The complexity of watch face shape from multiple Different Planes, it is necessary to carry out
Collection, it is therefore desirable to which individual keeps limbs and hand stable at 1-2 points kinds.Hand held scanner light weight, can be operated around limbs.
3. CT scan：Directly strong hand is scanned with CT, strong hand puts posture by the requirement of the 4th step in step A.Generation
（Stl file）.
C, finger-separating plate modeling：
File after processing is imported into the 3D such as 3D Max processing softwares, is modified by clinical treatment demand, generates 3D finger-separating plates
Model file, is comprised the following steps that.
The processing of I profile：
A mirror image processings：Such as right-hand man symmetrically, it is changed into suffering from the stamp of hand from strong hand after the stamp obtained, mirror image processing.If not right
Claim, modified after mirror image processing according to measurement result.
B profiles are revised：Determine the profile of finger-separating plate.
II hole makes：
The effect in bar hole is ligation band to be allowed to pass through, and hand is fixed on above finger-separating plate.In view of the heavy burden of ligation band, Yi Jichang
Abrasion of the phase to bar hole, each ligation band passes through 2 bar holes.
C fixes the bar hole needed：For through fixing band, fixing wrist joint（1）, metacarpophalangeal joints（1）.
The bar hole of the orthopedic needs of d：By the requirement of the 5th step in step A, output bar hole, enable through fixing band pressed by 3
Urgent principle, corrects the interphalangeal joint and metacarpophalangeal joints of flexion contracture.
III overall duplication：The above-mentioned stamp made is copied as 2 parts, a pending, portion is stand-by.
The processing of IV muscle line：By pending stamp facies palmaris according to mechanics principle, do the processing of muscle line, increase the palm it is bent by pressure energy
Power（Finger-separating plate thickness can accordingly mitigate）,
V extrusion, welding：Stamp after the processing of muscle line is overleaf extruded into 3mm to be welded with stand-by model, repairing welding
Leak afterwards, 3D finger-separating plate model basic formings.
The processing of VI hole：3D finger-separating plates palmar hand, finger section are punched, patient was both breathed freely when wearing, but it is light, improve
Comfort level when patient wears.Hole can reduce the time for using and printing of material.
The VII 3D finger-separating plates model file being finally molded is with STL, and OBJ forms are exported to 3D printer Slice Software.
D, printed material and method selection
Use FDM（Melted extrusion modeling）, SLA (stereolithograghy) or SLS（Laser sintered formula）Technology is printed, printing
Material can be ABS, PLA, photosensitive resin material, nylon, polycarbonate powder etc..Carried out with the subsidiary software of printer
Section and Method of printing are set.
Fining-off after E, brace finished product：
The finger-separating plate surface for removing backing material is relatively rough, with quartzy sand paper manual polishing.In the portion contacted with hand skin
Position is important to skid, in order to avoid frictionally damage skin during patient activity.
Bar hole boudary portion beats circle, to ensure that ligation band, when being dressed to patient, can be moved glossily.
Using the fixing band that one side is smooth, through bar hole, by prescription requirements, patient's finger and palm, wrist are fixed
With it is orthopedic, brace is worn on hand.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment only includes one
Individual independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art will should say
Bright book is as an entirety, and the technical solutions in the various embodiments may also be suitably combined, and forming those skilled in the art can be with
The other embodiment of understanding.
Claims (6)
1. a kind of 3D printing finger-separating plate preparation method, it is characterised in that comprise the steps of：
Assess and prescription；
Scanning；
Finger-separating plate is modeled；File after processing is imported into the 3D such as 3D Max processing softwares, modified by clinical treatment demand, it is raw
Into 3D finger-separating plate model files,
The selection of printed material and method；
Fining-off after brace finished product.
2. 3D printing finger-separating plate according to claim 1, it is characterised in that the step A is specifically included：1st, Muscle tensility is commented
Estimate：Palm articulations digitorum manus is suffered from evaluation respectively, the Muscle tensility of five interphalangeal joint musculus flexors, and 2, range of motion assesses:Metacarpophalangeal is evaluated to close
Section, five active and passive range of motion of interphalangeal joint of finger, 3, right-hand man determine assess：To wrist at the top of right-hand man's thumb, middle finger
The distance of transverse ligament, judges whether both hands are symmetrical, 4, strong palm articulations digitorum manus, interphalangeal joint song angle in the wrong when determining modulus, 5, really
The position of constant-pressure bandage.
3. 3D printing finger-separating plate according to claim 1, it is characterised in that the step B includes：1. hand print making：
With soft husky mud（Similar to plasticine）A smooth mould is made, the strong hand of patient is placed on above, by step A
The requirement of 4 steps, is squeezed into the stamp of a hand, is then scanned with hand-held optics 3D scanners, generation STL or obj file；
2., either scans：Directly strong hand is scanned with optics 3D scanners, strong hand puts appearance by the requirement of the 4th step in step A
Gesture, generation STL or obj file, the complexity of watch face shape from multiple Different Planes, it is necessary to be acquired, it is therefore desirable to
3., CT scan individual keeps limbs and hand stable at 1-2 points kinds, and hand held scanner light weight can be operated around limbs,：Use CT
Directly strong hand is scanned, strong hand puts posture by prescription A requirement, generates stl file.
4. 3D printing finger-separating plate according to claim 1, it is characterised in that the step C is specifically included：Ith, at profile
Reason：A mirror image processings：Such as right-hand man symmetrically, it is changed into suffering from the stamp of hand from strong hand after the stamp obtained, mirror image processing, it is such as asymmetric,
Modified after mirror image processing according to measurement result, b, profile are revised：Determine the profile of finger-separating plate, II, bar hole makes：C, fixation
The bar hole needed：For through fixing band, fixing wrist joint（1）, metacarpophalangeal joints；D, orthopedic needs bar hole：By in step A
The requirement of 5th step, outputs bar hole, enable through fixing band by 3 points compressing principles, correct flexion contracture interphalangeal joint and
Metacarpophalangeal joints；IIIth, it is overall to replicate：The above-mentioned stamp made is copied as 2 parts, a pending, portion is stand-by；IVth, muscle line
Processing：By pending stamp facies palmaris according to mechanics principle, the processing of muscle line is done, the bent compression capability of the palm is increased；Vth, extrude, weldering
Connect：Stamp after the processing of muscle line is overleaf extruded into 3mm to be welded with stand-by model, the leak after repairing welding, 3D points
Fingerboard model basic forming, VI, hole processing：3D finger-separating plates palmar hand, finger section are punched, patient was both breathed freely when wearing,
It is again light, comfort level when patient wears is improved, hole can reduce the time for using and printing of material；VIIth, finally it is molded
3D finger-separating plates model file is with STL, and OBJ forms are exported to 3D printer section.
5. 3D printing finger-separating plate according to claim 1, it is characterised in that the step D is specifically：Using FDM or
SLA, SLS technology are printed, and the material of printing can be in ABS, PLA, photosensitive resin, nylon, ABS, polycarbonate powder
One kind, section is carried out with the subsidiary software of printer and Method of printing is set.
6. 3D printing finger-separating plate according to claim 1, it is characterised in that the step E is specifically：Remove backing material
Finger-separating plate surface it is relatively rough, with quartzy sand paper manual polishing.
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