CN109620472A - A kind of ear supporter implant - Google Patents
A kind of ear supporter implant Download PDFInfo
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- CN109620472A CN109620472A CN201910087162.6A CN201910087162A CN109620472A CN 109620472 A CN109620472 A CN 109620472A CN 201910087162 A CN201910087162 A CN 201910087162A CN 109620472 A CN109620472 A CN 109620472A
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- ear
- supporter
- lobe portion
- implant
- main body
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- 239000007943 implant Substances 0.000 title claims abstract description 52
- 210000000624 ear auricle Anatomy 0.000 claims abstract description 60
- 238000002513 implantation Methods 0.000 claims abstract description 24
- 238000006073 displacement reaction Methods 0.000 claims abstract description 14
- 210000000883 ear external Anatomy 0.000 claims abstract description 10
- 241000746998 Tragus Species 0.000 claims abstract description 9
- 238000010276 construction Methods 0.000 claims abstract description 9
- 210000001699 lower leg Anatomy 0.000 claims abstract description 7
- 239000007787 solid Substances 0.000 claims description 9
- 210000001364 upper extremity Anatomy 0.000 claims description 5
- 238000010146 3D printing Methods 0.000 claims description 3
- 210000002414 leg Anatomy 0.000 claims description 2
- 238000004088 simulation Methods 0.000 abstract description 10
- 230000003068 static effect Effects 0.000 abstract description 9
- 230000003247 decreasing effect Effects 0.000 abstract description 4
- 210000000845 cartilage Anatomy 0.000 description 14
- QTCANKDTWWSCMR-UHFFFAOYSA-N costic aldehyde Natural products C1CCC(=C)C2CC(C(=C)C=O)CCC21C QTCANKDTWWSCMR-UHFFFAOYSA-N 0.000 description 8
- ISTFUJWTQAMRGA-UHFFFAOYSA-N iso-beta-costal Natural products C1C(C(=C)C=O)CCC2(C)CCCC(C)=C21 ISTFUJWTQAMRGA-UHFFFAOYSA-N 0.000 description 8
- 230000000694 effects Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 210000004728 ear cartilage Anatomy 0.000 description 4
- 206010040943 Skin Ulcer Diseases 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 208000025865 Ulcer Diseases 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 230000017074 necrotic cell death Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000036269 ulceration Effects 0.000 description 2
- 208000005831 Congenital Microtia Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 210000001367 artery Anatomy 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000000556 factor analysis Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 208000028867 ischemia Diseases 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 206010027555 microtia Diseases 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002980 postoperative effect Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000009958 sewing Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000007920 subcutaneous administration Methods 0.000 description 1
- 210000001994 temporal artery Anatomy 0.000 description 1
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
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/20—Ear surgery
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/18—Internal ear or nose parts, e.g. ear-drums
-
- 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
-
- 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
- A61F2/0059—Cosmetic or alloplastic implants
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/18—Internal ear or nose parts, e.g. ear-drums
- A61F2002/183—Ear parts
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Otolaryngology (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Vascular Medicine (AREA)
- Biomedical Technology (AREA)
- Pulmonology (AREA)
- Transplantation (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Surgery (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Psychology (AREA)
- Prostheses (AREA)
Abstract
A kind of maximum displacement value in ear supporter implant is 0.00216mm.Ear supporter implant is provided with implantation main body, interconnecting piece, the ear-lobe portion for dispersing outer helix stress and the supporting surface body for reducing the exposed risk of anthelix, and interconnecting piece, ear-lobe portion and supporting surface body are integrally connected to implantation main body respectively.Interconnecting piece, ear-lobe portion and supporting surface body are all the supporting point for being implanted into main body.Implantation main body is the implantation main body with crura of antihelix structure, tragus structure, external ear wheel construction, fossa triangularis structure, concha auriculae cavity configuration and fossa helicis structure.Ear supporter implant of the present invention maximum displacement value in simulation Postauricular flap operation static stress-strain analysis is 0.0021515mm, the 0.021166mm of Medpor ear supporter relative to SKY company, it is decreased obviously, so as to greatly reduce the risk of frameworks exposure at outer helix outer rim.The present invention, which increases ear-lobe portion, simultaneously can assist operative doctor to carry out ear-lobe reset.
Description
Technical field
The present invention relates to medical instruments field, in particular to a kind of ear supporter implant.
Background technique
The scheme that congenital microtia commonly manufactures ear supporter structure is to cut costal cartilage as raw material to carry out it
Engraving can also directly adopt SKY company and design in order to avoid cutting costal cartilage bring secondary insult and shortening operating time
Medpor ear supporter finished product rebuild auricle.The artificial Ear cartilage of assembly type of POREX company, U.S. sale can be used for auricle reconstruction.
But the defect model of this artificial Ear cartilage of assembly type is fixed, product structure usually has larger difference with the actual conditions of patient
It is different, therefore, often the artificial Ear cartilage of assembly type need to heat in art and moulding again.
Finished product ear supporter implant, auricle weight are either used using self costal cartilage manufacture ear supporter or directly simultaneously
The complication founded a capital is inevitable and frameworks exposure concentrates at outer helix and anthelix, ear-lobe suture this put basic phase
Together.
The exposed reason of ear supporter has very much, most important the reason is that flap circulation obstacle and local overtension.External ear
It is wide mainly by two vascularities and mutually to coincide into rete vasculosum, one be posterior auricular artery, one be superficial temporal artery, once damage
Rete vasculosum leads to flap necrosis for there is poor arterial inflow.The range separated such as the selection of incision site, flap and postoperative part
Pressurization dynamics is likely to lead to rete vasculosum blood supply insufficiency, and flap ischemia necrosis is made to eventually lead to frameworks exposure.The prior art
For ear supporter when being implanted into human body, the maximum displacement value of ear supporter and human body is greater than 0.022mm, so that be easy to causeing causes outside bracket
Dew.
And most research majority lays particular emphasis on how to construct a perfect auricle and maintenance blood confession in the prior art
It answers, causes the Mechanics of Machinery analysis and research of local skin ulceration less implantation ear supporter structure, how to find a kind of stable ear
The design scheme of supporting structure is one of current problems faced.
Therefore, in view of the shortcomings of the prior art, to provide a kind of ear supporter implant very necessary to solve prior art deficiency.
Summary of the invention
A kind of ear supporter implant is provided it is an object of the invention to avoid the deficiencies in the prior art place.The ear supporter
Implant has the advantages that local skin ulceration risk can be reduced.
Above-mentioned purpose of the invention is realized by following technical measures:
The maximum displacement value for providing a kind of ear supporter implant is 0.00216mm.It is provided with implantation main body, interconnecting piece, use
In the ear-lobe portion for dispersing outer helix stress and for reducing the supporting surface body of the exposed risk of anthelix, interconnecting piece, ear-lobe portion and branch
Support face body is integrally connected to implantation main body respectively.
The interconnecting piece, ear-lobe portion and supporting surface body are all the supporting point for being implanted into main body.
Preferably, above-mentioned implantation main body be with crura of antihelix structure, tragus structure, concha auriculae cavity configuration, external ear wheel construction,
The implantation main body of fossa triangularis structure, concha auriculae cavity configuration and fossa helicis structure.
Preferably, above-mentioned concha auriculae cavity configuration is Openworks shape concha auriculae cavity configuration.
Preferably, edge and separate crura of antihelix structure extension of the above-mentioned supporting surface body along concha auriculae cavity configuration.
Preferably, above-mentioned interconnecting piece is upper with cavity of concha structural base, the upper limb of external ear wheel construction and tragus structure respectively
Hold integrally connected.
Preferably, above-mentioned supporting surface body with a thickness of 1mm~3mm.
Preferably, above-mentioned concha auriculae cavity configuration with a thickness of 1mm~3mm.
Preferably, above-mentioned ear-lobe portion is round ear-lobe portion, semi-circular shape ear-lobe portion or ellipticity ear-lobe portion.
Preferably, above-mentioned ear-lobe portion is solid shape ear-lobe portion or hollow shape ear-lobe portion.
Preferably, above-mentioned fossa triangularis structure is solid shape fossa triangularis structure or Openworks shape fossa triangularis structure.
Preferably, above-mentioned fossa helicis structure is solid shape fossa helicis structure or Openworks shape fossa helicis structure.
Ear supporter implant of the invention is 3D printing ear supporter implant.
A kind of maximum displacement value of ear supporter implant of the invention is 0.00216mm.The ear supporter implant is provided with
It is implanted into main body, interconnecting piece, the ear-lobe portion for dispersing outer helix stress and the supporting surface body for reducing the exposed risk of anthelix,
Interconnecting piece, ear-lobe portion and supporting surface body are integrally connected to implantation main body respectively；The interconnecting piece, ear-lobe portion and supporting surface body are all
It is implanted into the supporting point of main body.The ear supporter implant integrally connected and have the advantages that local skin ulceration risk can be reduced.
Ear supporter implant of the present invention simulation Postauricular flap operation static stress-strain analysis in maximum displacement value be
0.0021515mm is decreased obviously relative to the 0.021166mm of the Medpor ear supporter of SKY company, so as to greatly reduce
The risk of frameworks exposure at outer helix outer rim.The present invention, which increases ear-lobe portion, simultaneously can assist operative doctor to carry out ear-lobe reset.
Detailed description of the invention
Using attached drawing, the present invention is further illustrated, but the content in attached drawing is not constituted to any limit of the invention
System.
Fig. 1 is a kind of structural schematic diagram of ear supporter implant of the invention.
Fig. 2 is the structural schematic diagram of another angle of Fig. 1.
Fig. 3 is the cavity of concha locations of structures schematic diagram in Fig. 2.
Fig. 4 is a kind of simulation Postauricular flap operation static stress-strain analysis result of ear supporter implant of the invention
Schematic diagram.
Fig. 5 is simulation Postauricular flap operation static stress-strain analysis result signal of the Medpor ear supporter of SKY company
Figure.
Fig. 1 includes into Fig. 5:
It is implanted into main body 1, interconnecting piece 2, ear-lobe portion 3, supporting surface body 4, concha auriculae cavity configuration 5.
Specific embodiment
Technical solution of the present invention is described further with the following Examples.
Embodiment 1.
A kind of ear supporter implant, maximum displacement value as shown in Figure 1 to Figure 3 are 0.00216mm.The setting of ear supporter implant
There are implantation main body 1, interconnecting piece 2, the ear-lobe portion 3 for dispersing outer helix stress and the support for reducing the exposed risk of anthelix
Face body 4, interconnecting piece 2, ear-lobe portion 3 and supporting surface body 4 are integrally connected to implantation main body 1 respectively.Interconnecting piece 2, ear-lobe portion 3 and support
Face body 4 is all the supporting point of implantation main body 1.
Being implanted into main body 1 is with crura of antihelix structure, tragus structure, external ear wheel construction, fossa triangularis structure, concha auriculae cavity configuration
5 and fossa helicis structure implantation main body 1.
Crura of antihelix structure, tragus structure, external ear wheel construction, fossa triangularis structure, concha auriculae cavity configuration 5 and fossa helicis of the invention
Structure is identical as the position of the crura of antihelix of the ear of normal human, tragus, outer helix, fossa triangularis, cavity of concha and fossa helicis.
Concha auriculae cavity configuration 5 is Openworks shape concha auriculae cavity configuration 5, supporting surface body 4 along concha auriculae cavity configuration 5 edge and far to ear
Leg structure is taken turns to extend.
Upper end of the interconnecting piece 2 respectively with 5 bottom of concha auriculae cavity configuration, the upper limb of external ear wheel construction and tragus structure integrally connects
It connects.
The effect of supporting surface body 4 of the invention is to ensure that morphosis before and after cavity of concha and cymba, and play support
The effect of fossa triangularis reduces the risk of frameworks exposure at anthelix.
The effect of interconnecting piece 2 of the invention be stablize the structure of cavity of concha, outer helix upper limb, while make ear supporter implant at
For an overall structure.
The perfect ear supporter in the prior art in ear-lobe portion 3 of the invention lacks the deficiency of ear-lobe structure, while can will be outer
Stress above helix disperses toward ear-lobe portion 3, effectively increases the stability of outer helix upper limb.Last ear-lobe portion 3 can be with nondominant hand
Art doctor carries out ear-lobe reset and design.
Supporting surface body 4 of the invention with a thickness of 1mm~3mm.The supporting surface body 4 of the present embodiment with a thickness of 1.5mm.
It should be noted that the thickness of supporting surface body 4 of the invention may be 1mm, 3mm or 2mm equal thickness, as long as model
It is trapped among the protection scope that 1mm~3mm falls within a kind of ear supporter implant of the invention.Through testing multiple authentication, work as support
When the thickness of face body 4 is more than 3mm, the degree of comfort decreased of user can be made, the risk of ear supporter implant is also will increase, work as support
When the thickness of face body 4 is less than 1mm, support contact surface decline will cause, reduce the stabilization that implantation main body 1 is implanted into inside user
Property, the effect when supporting surface body 4 is with a thickness of 1mm~3mm are best.
Concha auriculae cavity configuration 5 of the invention with a thickness of 1mm~3mm.The concha auriculae cavity configuration 5 of the present embodiment with a thickness of
1.5mm。
It should be noted that the thickness of concha auriculae cavity configuration 5 of the invention may be 1mm, 3mm or 2mm equal thickness, as long as
Range falls within a kind of protection scope of ear supporter implant of the invention in 1mm~3mm.Through testing multiple authentication, work as ear
When the thickness of first cavity configuration 5 is more than 3mm, the degree of comfort decreased of user can be made, also will increase the risk of ear supporter implant, when
When the thickness of concha auriculae cavity configuration 5 is less than 1mm, the support contact surface decline of concha auriculae cavity configuration 5 will cause, reduce implantation main body 1 and plant
Enter the stability inside user, the effect when concha auriculae cavity configuration 5 is with a thickness of 1mm~3mm is best.And human body is normal
The structure of cavity of concha is 1mm~3mm.
The ear-lobe portion 3 of the present embodiment is round ear-lobe portion 3, and is hollow shape ear-lobe portion 3.The fossa triangularis knot of the present embodiment
Structure is Openworks shape fossa triangularis structure.Fossa helicis structure is Openworks shape fossa helicis structure.
It should be noted that ear-lobe portion 3 of the invention can be round ear-lobe portion 3, or semi-circular shape ear-lobe portion 3
Or ellipticity ear-lobe portion 3；Ear-lobe portion 3 can be solid shape ear-lobe portion 3, or hollow shape ear-lobe portion 3；Fossa triangularis structure
It can be solid shape fossa triangularis structure or, or Openworks shape fossa triangularis structure；Fossa helicis structure can be solid shape fossa helicis knot
Structure, or Openworks shape fossa helicis structure, above situation can select according to the actual situation.
Hollow shape ear-lobe portion 3, Openworks shape fossa triangularis structure and Openworks shape fossa helicis structure can reduce ear supporter implant
Weight.
Ear supporter implant of the invention is 3D printing ear supporter implant.
The application method of ear supporter implant of the invention is that ear supporter implant is implanted into the subcutaneous position of correspondence of user
It sets, operative doctor sutures in ear-lobe portion 3 and interconnecting piece 2 as stitch points and corresponding position, and operative doctor can also be according to reality
It needs to suture supporting surface body 4 or does not suture supporting surface body 4, ear-lobe portion 3, interconnecting piece 2 and supporting surface body 4 can become implantation master
Three supporting points of body 1.4 three interconnecting piece 2, ear-lobe portion 3 and supporting surface body structures can stable implantation main body 1 simultaneously, can subtract
Movement after implantation main body 1 is in implantation user's body less, to reduce the risk of frameworks exposure at outer helix outer rim.
The ear supporter implant of the present embodiment is selected to carry out simulation test, simulation Postauricular flap operation static stress-Ying Bianfen
Analysis, the results show that the average value of maximum displacement value is not more than 0.00216mm using the ear supporter implant of the present embodiment.Relatively
In the Medpor ear supporter maximum displacement value 0.021166mm of SKY company, it is broken that one physical efficiency of ear supporter implant reduces local skin
Routed risk, so as to greatly reduce the risk of frameworks exposure at outer helix outer rim.The ear-lobe portion 3 of present invention increase simultaneously can
Operative doctor is assisted to carry out ear-lobe reset.
Embodiment 2.
A kind of ear supporter implant, other features are same as Example 1, the difference is that, ear-lobe portion 3 is semi-circular shape
Ear-lobe portion 3.
Semi-circular shape ear-lobe portion 3 be suitable for it is strong pick up the ears to hang down as non-circular user, two sides ear-lobe can be made more symmetrical.
Embodiment 3.
A kind of simulation Postauricular flap of the Medpor ear supporter of ear supporter implant and U.S. POREX company of the invention is performed the operation
Static stress-strain analysis is as shown in Figures 4 and 5, and the material of ear supporter implant of the invention and Medpor ear supporter is all high
Density polyethylene.
It should be noted that simulation Postauricular flap operation static stress-strain analysis of the invention is specific as follows:
S1 is scanned body at the beginning of ear supporter, obtains the outline data of the first body of ear supporter；
The physical model of the STL format of body at the beginning of the ear supporter obtained in step S1 is imported into geomagic by S2
Curved surface reparation is carried out in FreeFrom&touchX software, the physical model after curved surface is repaired saves as STL format；
S3, the STL format that the physical model after step S2 curved surface is repaired saves import in Geomagic Wrap software,
Select command is successively are as follows: the automatic curving-building contour line-constructing curve piece-construction grid-fitting of precise curved surface-is bent
Face ultimately produces Nurbs curved surface, by the Nurbs curved surface export of generation and with the preservation of IGES format；
S4, the Nurbs curved surface for the IGES format that step S3 is obtained is imported into HyperMesh14.0 software carry out it is limited
The foundation of meta-model, specifically includes:
S4.1 opens Hypermesh software, the Nurbs curved surface of step S3IGES format is imported into HyperMesh14.0
Software；
S4.2 carries out physical grid division；
S5, it is special that the three-dimensional finite element ear model comprising cartilage and different skin thickness that step S4 is obtained imports finite element
Finite element analysis is carried out in industry analysis software Abaqus；
S6 obtains the stress-strain analysis of cartilage, skin, cartilage abnormalities, skin deformation as a result, according to finite Element Stress
As a result judge the ulceration risk of the first body of ear supporter.
Step S1 is specifically that body at the beginning of the ear supporter carved is placed on sterile platform, on sterile platform, the body at the beginning of ear supporter
Around post the positioning target point sterilized, be 0.03mm with precision with handscan700 handheld three-dimensional scanner, survey
Amount rate is that 480,000 time/second is scanned, and obtains the outline data of the first body of ear supporter.
Step S4.2 carries out physical grid division, specifically includes:
A1: by Nurbs curved surface created carries out physical grid after structural configuration line in Geomagic Wrap software
It divides；Specifically: after the Nurbs curved surface of IGES format is imported Hypermesh software, into Geom-2D panel, selection is certainly
Dynamic mesh beggar order, the reselection face to be generated set sizing grid and trellis-type, are cut after clicking cutting order
Point, then angle will be present or the incongruent 2D grid of Aspect Ratio is adjusted so that 2D grid meets angle and length-width ratio
Example requires；
B1: mesh quality tool is checked in click, selects 2-d order, the 2D grid of checking step A1；
C1: tetrahedron and hexahedron physical grid are generated；
D1: it is attached according to sewing method is acquired in art in model suture location；
E1: by face order, the physical grid sutured before frame choosing is clicked and executes the order of searching face, with rib surface
Grid biases out skin thickness simulation human skin, then clicks the entity net that 3D grid Core Generator generates different skin thickness
Lattice.
The physical grid of 0.5mm, 1mm, 2mm skin thickness is specifically generated in step E1.
Step S5 is specifically included:
A2, creates parts of skin and costal cartilage part, and the type of parts of skin and costal cartilage part is equal are as follows: entity, similar；
Parts of skin and the material of costal cartilage part select skin and costal cartilage respectively；
When assigning skin and costal cartilage attribute respectively, first creates a skin group and save skin mesh, reselection removes
Skin group command removes the skin mesh created before, and after being left cartilage, different material properties are assigned to cartilage and skin；
B2 selects load module order, skin model and cartilage model is carried out assembly determination；
C2 selects step block order, reselection statics, single factor analysis order；
D2, the tangential behavior of setting model are no friction；
E2 reloads boundary condition；
E21, creation boundary condition: conditions setting is simulated according to human body Ear cartilage and skin bearing, enables fixed point
The space six-freedom degree at place is zero；
E22, gravity -9800mm/s is given-2；
E23, Pressure negative pressure suction force 0.02Mpa is given；
F2 determines that grid dividing is physical grid；
G2 is analyzed.
Step D1 is specifically: clicking and fixes, then click independent calculating mode, element type selection, according to suture side in art
Formula selects node, finally clicks creation instruction creation model.
Just body is ear supporter implant of the invention or the Medpor auricular branch of POREX company, the U.S. to above-mentioned ear supporter
Frame.
Multiple strain values are obtained according to above-mentioned simulation Postauricular flap operation static stress-strain analysis, and will be maximum
Strain value is defined as maximum displacement value, to evaluate the ulceration of ear supporter implant or Medpor ear supporter by maximum displacement value
Risk.
It can know from Figure 4 and 5, the maximum displacement value of ear supporter implant of the present invention is 0.002515mm.And SKY company
Medpor ear supporter maximum displacement value be 0.02116mm.Therefore ear supporter implant of the invention significantly reduces external ear
Take turns the risk of frameworks exposure at outer rim.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention rather than protects to the present invention
The limitation of range, although the invention is described in detail with reference to the preferred embodiments, those skilled in the art should be managed
Solution, can be with modifying or equivalently replacing the technical solution of the present invention, without departing from the essence and model of technical solution of the present invention
It encloses.
Claims (10)
1. a kind of ear supporter implant, it is characterised in that: maximum displacement value 0.00216mm；
It is provided with implantation main body, interconnecting piece, the ear-lobe portion for dispersing outer helix stress and for reducing the exposed risk of anthelix
Supporting surface body, interconnecting piece, ear-lobe portion and supporting surface body be integrally connected to respectively implantation main body；
The interconnecting piece, ear-lobe portion and supporting surface body are all the supporting point for being implanted into main body.
2. a kind of ear supporter implant according to claim 1, it is characterised in that: the implantation main body is with anthelix
Leg structure, tragus structure, concha auriculae cavity configuration, external ear wheel construction, fossa triangularis structure, concha auriculae cavity configuration and fossa helicis structure implantation master
Body.
3. a kind of ear supporter implant according to claim 2, it is characterised in that: the concha auriculae cavity configuration is Openworks shape ear
First cavity configuration；
Edge and separate crura of antihelix structure extension of the supporting surface body along concha auriculae cavity configuration.
4. a kind of ear supporter implant according to claim 3, it is characterised in that: the interconnecting piece respectively with cavity of concha knot
The upper end integrally connected of structure bottom, the upper limb of external ear wheel construction and tragus structure.
5. a kind of ear supporter implant according to claim 4, it is characterised in that: the supporting surface body with a thickness of 1mm
~3mm；
The concha auriculae cavity configuration with a thickness of 1mm~3mm.
6. a kind of ear supporter implant according to claim 5, it is characterised in that: the ear-lobe portion is round ear-lobe
Portion, semi-circular shape ear-lobe portion or ellipticity ear-lobe portion.
7. a kind of ear supporter implant according to claim 6, it is characterised in that: the ear-lobe portion is solid shape ear-lobe portion
Or hollow shape ear-lobe portion.
8. a kind of ear supporter implant according to claim 7, it is characterised in that: the fossa triangularis structure is solid shape three
Angle nest structure or Openworks shape fossa triangularis structure.
9. a kind of ear supporter implant according to claim 8, it is characterised in that: the fossa helicis structure is solid shape fossa helicis
Structure or Openworks shape fossa helicis structure.
10. a kind of ear supporter implant according to claim 9, it is characterised in that: for 3D printing ear supporter implant.
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Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191114949A (en) * | 1911-06-26 | 1911-12-21 | Adonis George Edward Lowman | Improvements in Ear Plates. |
| US5433748A (en) * | 1991-12-04 | 1995-07-18 | Porex Technologies Corp. | Auricular implant |
| RU2183428C2 (en) * | 1999-12-15 | 2002-06-20 | Ищенко Андрей Леонидович | Method for carrying out total otoplasty |
| DE202007016893U1 (en) * | 2007-12-03 | 2008-02-21 | Jaworski, Heiko | ear fork |
| CN201441497U (en) * | 2009-05-14 | 2010-04-28 | 苏法仁 | Autologous costicartilage pinna frame |
| US20140364946A1 (en) * | 2013-06-05 | 2014-12-11 | ShawHan Biomedical Co. | Auricular implant |
| CN204521064U (en) * | 2015-03-30 | 2015-08-05 | 上海昌宁医疗科技有限公司 | Auricular prostheses |
| CN204709152U (en) * | 2014-12-26 | 2015-10-21 | 上海索康医用材料有限公司 | A kind of medical ear supporter |
| CN106137476A (en) * | 2016-07-21 | 2016-11-23 | 张丹方 | A kind of individuation auricle prosthesis and preparation method thereof |
| CN106955173A (en) * | 2016-01-08 | 2017-07-18 | 司勇锋 | A kind of auricular cartilage support of 3D printing |
| CN107137167A (en) * | 2017-05-05 | 2017-09-08 | 南方医科大学 | Modeling method, manufacture method and the Auricular framework of the exposed Auricular framework of prevention |
| CN108763709A (en) * | 2018-05-22 | 2018-11-06 | 南方医科大学 | A kind of reconstruction ear supporter topological structure optimization method based on finite element analysis |
| CN108888386A (en) * | 2018-07-11 | 2018-11-27 | 西安增材制造国家研究院有限公司 | Porous ear supporter of local enhancement and preparation method thereof |
| CN109199698A (en) * | 2018-10-22 | 2019-01-15 | 南方医科大学 | A kind of anti-scar orthoses of 3D printing aural deformity and its preparation method |
| CN209847468U (en) * | 2019-01-29 | 2019-12-27 | 南方医科大学 | Ear support implant |
-
2019
- 2019-01-29 CN CN201910087162.6A patent/CN109620472B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB191114949A (en) * | 1911-06-26 | 1911-12-21 | Adonis George Edward Lowman | Improvements in Ear Plates. |
| US5433748A (en) * | 1991-12-04 | 1995-07-18 | Porex Technologies Corp. | Auricular implant |
| RU2183428C2 (en) * | 1999-12-15 | 2002-06-20 | Ищенко Андрей Леонидович | Method for carrying out total otoplasty |
| DE202007016893U1 (en) * | 2007-12-03 | 2008-02-21 | Jaworski, Heiko | ear fork |
| CN201441497U (en) * | 2009-05-14 | 2010-04-28 | 苏法仁 | Autologous costicartilage pinna frame |
| US20140364946A1 (en) * | 2013-06-05 | 2014-12-11 | ShawHan Biomedical Co. | Auricular implant |
| CN204709152U (en) * | 2014-12-26 | 2015-10-21 | 上海索康医用材料有限公司 | A kind of medical ear supporter |
| CN204521064U (en) * | 2015-03-30 | 2015-08-05 | 上海昌宁医疗科技有限公司 | Auricular prostheses |
| CN106955173A (en) * | 2016-01-08 | 2017-07-18 | 司勇锋 | A kind of auricular cartilage support of 3D printing |
| CN106137476A (en) * | 2016-07-21 | 2016-11-23 | 张丹方 | A kind of individuation auricle prosthesis and preparation method thereof |
| CN107137167A (en) * | 2017-05-05 | 2017-09-08 | 南方医科大学 | Modeling method, manufacture method and the Auricular framework of the exposed Auricular framework of prevention |
| CN108763709A (en) * | 2018-05-22 | 2018-11-06 | 南方医科大学 | A kind of reconstruction ear supporter topological structure optimization method based on finite element analysis |
| CN108888386A (en) * | 2018-07-11 | 2018-11-27 | 西安增材制造国家研究院有限公司 | Porous ear supporter of local enhancement and preparation method thereof |
| CN109199698A (en) * | 2018-10-22 | 2019-01-15 | 南方医科大学 | A kind of anti-scar orthoses of 3D printing aural deformity and its preparation method |
| CN209847468U (en) * | 2019-01-29 | 2019-12-27 | 南方医科大学 | Ear support implant |
Non-Patent Citations (1)
| Title |
|---|
| 刘暾等: "雕刻―拼接法制作自体肋软骨耳支架", 组织工程与重建外科杂志, vol. 10, no. 06, pages 332 - 334 * |
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