CN108888385A - Dummy based on skin soft tissue deformation restorative procedure again - Google Patents
Dummy based on skin soft tissue deformation restorative procedure again Download PDFInfo
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- CN108888385A CN108888385A CN201810441493.0A CN201810441493A CN108888385A CN 108888385 A CN108888385 A CN 108888385A CN 201810441493 A CN201810441493 A CN 201810441493A CN 108888385 A CN108888385 A CN 108888385A
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- dummy
- soft tissue
- skin soft
- skin
- thickness
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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
- 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
- A61F2/10—Hair or skin implants
- A61F2/105—Skin implants, e.g. artificial skin
Abstract
Restorative procedure belongs to plastic surgery research field to dummy based on skin soft tissue deformation again.The present invention establishes dummy restorative procedure again to class plane body dummy and bulk non-planar dummy respectively；Class plane dummy：Specifically include forehead dummy and temples dummy, non-planar dummy：Including nasal prosthesis；The implantation of class plane dummy reduces the skin soft tissue thickness of implant site uniformly, using the condition of skin soft tissue constant volume, calculates implantation front and back skin soft tissue amounts of thickness variation, and using skin soft tissue amounts of thickness variation to repairing；Non-planar dummy is similar to the result that plane dummy carries out inflection, its prosthetics method will be on the basis of class plane prosthetics method, it calculates since implantation dummy inflection makes skin soft tissue stress change, and secondary reparation is carried out to dummy using the stress variation.The present invention solves to deform the influence to Plastic renovation effect due to skin soft tissue.
Description
Technical field
The invention belongs to plastic surgery research fields, are related to the deformation that human skin soft tissue is generated due to dummy implantation
And Stress calculation, and the calculation method that dummy is repaired again using skin soft tissue deformation and stress variation.
Background technique
Plastic surgery is surgically method or the means of tissue transplantation, to tissue, the defect of organ, deformity into
Row, which is repaired, to be extended and reconstruction, and moulding again to normal person's form, and the improvement and beautification and the reconstruction of function of form are reached.
Dummy implantation is the common method of plastic surgery operations.After dummy implantation after human body skin soft tissue, human body
Skin soft tissue can deformation occurs, and causes skin soft tissue stress variation, and the deformation and stress variation are to repairing effect
Influence can not be ignored.But in current Plastic renovation operation repairing effect simulation system, it is generally recognized that skin soft tissue thickness
It does not change before and after dummy implantation.
There is shown herein a kind of dummy based on human skin soft tissue deformation restorative procedures again, are implanted into using dummy
The skin soft tissue deformation of generation and its skin soft tissue stress variation of initiation, repair dummy again, solve due to
Skin soft tissue deforms the influence to repairing effect.
Summary of the invention
In order to overcome the influence of skin soft tissue deformation in Plastic renovation effect simulation system, the present invention provides a kind of bases
In the dummy restorative procedure again of skin soft tissue deformation.It is related to the deformation that human skin soft tissue is generated due to dummy implantation
It calculates, mechanics parameter calculating, and the calculating side that dummy is repaired again using deformation calculation and mechanics parameter calculated result
Method solves to deform the influence to Plastic renovation effect due to skin soft tissue.
Technical solution used by restorative procedure is dummy based on skin soft tissue deformation again：To class plane body reparation
Body and bulk non-planar dummy are established dummy restorative procedure again respectively, are repaired again to affiliated dummy.
Technical solution used by restorative procedure is class plane body dummy again：The implantation of class plane dummy, makes to be implanted into
The skin soft tissue thickness at position is uniformly reduced, and using the condition of skin soft tissue constant volume, it is soft to calculate implantation front and back skin
Tissue thickness's variable quantity, and implantation dummy is repaired using skin soft tissue amounts of thickness variation.
Technical solution used by restorative procedure is bulk non-planar dummy again：Non-planar dummy (such as nasal prosthesis) class
Be similar to plane dummy occur inflection as a result, its prosthetics method will be in the base of the restorative procedure again of class plane dummy
On plinth, the shadow that implant inflection makes skin soft tissue that secondary deformation and its corresponding skin soft tissue mechanics parameter occur is calculated
It rings, and carries out secondary reparation to repairing using mechanics parameter variation.
Compared with prior art, the beneficial effects of the invention are as follows devise a kind of dummy based on skin soft tissue deformation
Restorative procedure again.The skin soft tissue deformation generated using dummy implantation and the skin soft tissue mechanics generated by deformation are joined
Number variation, repairs dummy again, solves since skin soft tissue deforms the influence to Plastic renovation effect.
Above-mentioned technical proposal of the invention has the following advantages：Fully consider the skin soft tissue shape that dummy implantation generates
Become, and by skin soft tissue deformation quantification treatment, gives the quantitative pass of dummy implantation front and back skin soft tissue thickness change
It is expression formula, establishes the restorative procedure again of the dummy based on skin soft tissue deformation, makes up since skin soft tissue is deformed to whole
The influence of shape repairing effect.
Specific embodiment
1. the restorative procedure again of the class plane body dummy based on skin soft tissue deformation
Basic step is as follows：
A) the surface area s in the nearly bone face of measurement dummy1, the surface area s ' of the nearly skin surface of measurement dummy2, measure dummy
The quasi- human skin soft tissue area s being related to of implant surgery3, dummy implantation position skin thickness h0, then in dummy implantation
Product s behind the corresponding deformation of human skin soft tissue2For:s2=s3-s1+s’2
B) skin thickness h after dummy is implanted into is calculated1：h1=h0×s3/s2
Then the reduction amount of skin soft tissue thickness is：Δh1=h0-h0×s3/s2=h0×(1-s3/s2)
Δh1As repair the incrementss of body thickness
The basic foundation of class plane body dummy based on skin soft tissue deformation restorative procedure again：When implant is close flat
When the body of face, it is T that skin soft tissue surface each point stress, which is identical,；Meanwhile skin soft tissue volume is in class plane body reparation
Body implantation front and back remains unchanged, and therefore, the ratio of class plane body dummy implantation front and back skin soft tissue area is that skin is soft
The compression ratio of tissue.That is the reduction amount Δ h of skin soft tissue thickness corresponding to dummy implantation generation skin soft tissue deformation1I.e.
For the incrementss for repairing body thickness.
2. the restorative procedure again of the bulk non-planar dummy based on skin soft tissue deformation：
1) assume that the stretching in skin surface transverse and longitudinal direction and vertical skin surface direction and skin compression follow identical rule
Rule and stress-strain are linear relationship, and the basic step of bulk non-planar dummy restorative procedure again is as follows：
A) the inflection angle a of non-planar dummy is measured
B) stress T generates Stress decomposition, the compression that wherein vertical skin soft tissue plane is subject to due to dummy inflection
For:2T × cos (a/2), the stress that parallel skin soft tissue plane is subject to become:T×sin(a/2)
C) parallel skin soft tissue plane stress is:T × sin (a/2), corresponding strain δ1For sin (a/2) × (1-s3/
s2) (foundation:The strain that stress T is generated is 1-s3/s2, so:T/(1-s3/s2)=T × sin (a/2)/δ1), stress T × sin
(a/2) skin thickness after acting on becomes Δ h '1, and Δ h '1=h0-h0×sin(a/2)(1-s3/s2)=h0×(1-sin(a/
2)(1-s3/s2))
D) vertical skin soft tissue direction skin soft tissue strain (i.e. the ratio of thickness reduction) is Δ h2/Δh’1, skin
Soft tissue thickness reduction amount Δ h2Calculation method be：
The stress that vertical skin soft tissue plane is subject to is:2T×cos(a/2)
So having：2T×cos(a/2)/(Δh2/Δh’1)=T/ (1-s3/s2)
That is Δ h2=Δ h '1×2cos(a/2)×(1-s3/s2)
E) the reduction total amount Δ h of dummy inflection position skin soft tissue thickness is：
Δ h=h0×δ1+Δh2
That is Δ h=h0×sin(a/2)(1-s3/s2)×(1-2cos(a/2)(1-s3/s2))+h0×2cos(a/2)(1-
s3/s2)
The as incrementss of dummy inflection position thickness, incrementss and the class plane body of dummy other positions thickness are repaired
Complex is mutually all Δ h1。
The basic foundation of bulk non-planar dummy based on skin soft tissue deformation restorative procedure again：It is assumed that skin soft tissue
The stretching in surface transverse and longitudinal direction and the compression of vertical skin soft tissue surfaces direction follow identical rule, i.e., skin soft tissue respectively to
The same sex and stress-strain meets linear relationship.
If 2) in-plane isotropism where skin soft tissue, and compression direction (i.e. vertical skin soft tissue direction)
Different from skin plane direction, the basic step of bulk non-planar dummy restorative procedure again is as follows：
A) the inflection angle a of non-planar dummy is measured
B) stress T generates Stress decomposition, the compression that wherein vertical skin soft tissue plane is subject to due to dummy inflection
For:2T × cos (a/2), the stress that parallel skin soft tissue plane is subject to become:T×sin(a/2)
C) parallel skin soft tissue plane stress is:T × sin (a/2), corresponding strain δ2For sin (a/2) × (1-s3/
s2) (foundation:The strain that stress T is generated is 1-s3/s2, so:T/(1-s3/s2)=T × sin (a/2)/δ2), stress T × sin
(a/2) skin thickness after acting on becomes Δ h '1, and Δ h '1=h0-h0×sin(a/2)(1-s3/s2)=h0×(1-sin(a/
2)(1-s3/s2))
D) according to skin soft tissue plane stress-strain curve, when strain is 1-s3/s2When, the number of corresponding stress T
It is worth available；
E) compression that bulk non-planar dummy inflection position is subject to is 2T × cos (a/2), in conjunction with the compression-of skin
Strain curve, the strain δ of acquisition compression corresponding skin soft tissue when being 2T × cos (a/2)3, then skin soft tissue thickness
Reduction amount Δ h3=Δ h '1×δ3
F) the reduction total amount of dummy inflection position skin soft tissue thickness is Δ h:Δ h=h0×δ2+Δh3Δ h=h0
×((1-δ3)sin(a/2)(1-s3/s2)+δ3)
Δ h is the incrementss of dummy inflection position thickness, the incrementss and class plane of dummy other positions thickness
Body dummy is identical, is all Δ h1。
It is using the basis of the program：The strain-stress relation of skin soft tissue needs measured in advance, including：Skin is soft
Compression-strain curve of plane where the load-deformation curve of plane, vertical skin soft tissue where tissue.
Claims (5)
1. a kind of dummy based on skin soft tissue deformation restorative procedure again, it is characterized in that：It is generated using dummy implantation
Dummy is repaired in skin soft tissue deformation again, is made up since skin soft tissue deforms the influence to dummy.
2. dummy as described in claim 1 restorative procedure again, it is characterised in that：To class plane body dummy and bulk non-planar
Dummy establishes dummy restorative procedure again respectively, is repairing to the progress of affiliated dummy；
Class plane dummy：Specifically include forehead dummy and temples dummy, non-planar dummy：Including nasal prosthesis；
The implantation of class plane dummy reduces the skin soft tissue thickness of implant site uniformly, utilizes skin soft tissue volume
Constant condition calculates implantation front and back skin soft tissue amounts of thickness variation, and using skin soft tissue amounts of thickness variation to progress
It repairs；
Non-planar dummy is similar to the progress inflection of plane dummy as a result, its prosthetics method will be in class plane reparation
On the basis of body repairing method, calculate since implantation dummy inflection makes skin soft tissue stress change, and answered using this
Power variation carries out secondary reparation to dummy.
3. dummy as described in claim 1 restorative procedure again, which is characterized in that the class plane body of skin soft tissue deformation is repaired
Steps are as follows for restorative procedure again for complex：
A) the surface area s in the nearly bone face of measurement dummy1, the surface area s ' of the nearly skin surface of measurement dummy2, measurement dummy implantation
The quasi- human skin soft tissue area s being related to of operation3, dummy implantation position skin thickness h0, then human body in dummy implantation
Product s behind the corresponding deformation of skin soft tissue2For:s2=s3-s1+s’2
B) skin thickness h after dummy is implanted into is calculated1：h1=h0×s3/s2
Then the reduction amount of skin soft tissue thickness is：Δh1=h0-h0×s3/s2=h0×(1-s3/s2)
Δh1As repair the incrementss of body thickness
The ratio of class plane body dummy implantation front and back skin soft tissue area is the compression ratio of skin soft tissue；That is dummy
Implantation generates the reduction amount Δ h of skin soft tissue thickness corresponding to skin soft tissue deformation1As repair the incrementss of body thickness.
4. dummy as claimed in claim 3 restorative procedure again, which is characterized in that
If the stretching of skin surface transverse and longitudinal direction and vertical skin surface direction and skin compression follow identical rule and answer
Power-strains as linear relationship, bulk non-planar dummy again restorative procedure the step of it is as follows：
A) the inflection angle a of non-planar dummy is measured
B) stress T generates Stress decomposition due to dummy inflection, and the compression that wherein vertical skin soft tissue plane is subject to is:
2T × cos (a/2), the stress that parallel skin soft tissue plane is subject to become:T×sin(a/2)
C) parallel skin soft tissue plane stress is:T × sin (a/2), corresponding strain δ1For sin (a/2) × (1-s3/s2)
(foundation:The strain that stress T is generated is 1-s3/s2, so:T/(1-s3/s2)=T × sin (a/2)/δ1), stress T × sin (a/
2) skin thickness after acting on becomes Δ h '1, and Δ h '1=h0-h0×sin(a/2)(1-s3/s2)=h0×(1-sin(a/2)
(1-s3/s2))
D) it is Δ h that skin soft tissue strain in vertical skin soft tissue direction, which is the ratio of thickness reduction,2/Δh’1, skin soft tissue
Thickness reduction Δ h2Calculation method be：
The stress that vertical skin soft tissue plane is subject to is:2T×cos(a/2)
So having：2T×cos(a/2)/(Δh2/Δh’1)=T/ (1-s3/s2)
That is Δ h2=Δ h '1×2cos(a/2)×(1-s3/s2)
E) the reduction total amount Δ h of dummy inflection position skin soft tissue thickness is：
Δ h=h0×δ1+Δh2
That is Δ h=h0×sin(a/2)(1-s3/s2)×(1-2cos(a/2)(1-s3/s2))+h0×2cos(a/2)(1-s3/s2)
The as incrementss of dummy inflection position thickness, the incrementss and class plane body dummy of dummy other positions thickness
It is mutually all Δ h1。
5. dummy as claimed in claim 3 restorative procedure again, which is characterized in that
If in-plane isotropism where skin soft tissue, and compression direction, that is, vertical skin soft tissue direction is different from skin
Skin in-plane, bulk non-planar dummy again restorative procedure the step of it is as follows：
A) the inflection angle a of non-planar dummy is measured
B) stress T generates Stress decomposition due to dummy inflection, and the compression that wherein vertical skin soft tissue plane is subject to is:
2T × cos (a/2), the stress that parallel skin soft tissue plane is subject to become:T×sin(a/2)
C) parallel skin soft tissue plane stress is:T × sin (a/2), corresponding strain δ2For sin (a/2) × (1-s3/s2)
(foundation:The strain that stress T is generated is 1-s3/s2, so:T/(1-s3/s2)=T × sin (a/2)/δ2), stress T × sin (a/
2) skin thickness after acting on becomes Δ h '1, and Δ h '1=h0-h0×sin(a/2)(1-s3/s2)=h0×(1-sin(a/2)
(1-s3/s2))
D) according to skin soft tissue plane stress-strain curve, when strain is 1-s3/s2When, the numerical value of corresponding stress T obtains
It arrives；
E) compression that bulk non-planar dummy inflection position is subject to is 2T × cos (a/2), in conjunction with compression-strain of skin
Curve, the strain δ of acquisition compression corresponding skin soft tissue when being 2T × cos (a/2)3, then skin soft tissue thickness reduces
Measure Δ h3=Δ h '1×δ3
F) the reduction total amount of dummy inflection position skin soft tissue thickness is Δ h:Δ h=h0×δ2+Δh3Δ h=h0×((1-
δ3)sin(a/2)(1-s3/s2)+δ3)
Δ h is the incrementss of dummy inflection position thickness, and incrementss and the class plane body of dummy other positions thickness are repaired
Complex is identical, is all Δ h1；The strain-stress relation of skin soft tissue needs measured in advance, including：It is flat where skin soft tissue
Compression-strain curve of plane where the load-deformation curve in face, vertical skin soft tissue.
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| CN201810441493.0A CN108888385B (en) | 2018-05-10 | 2018-05-10 | Restoration body reparation method based on skin soft tissue deformation |
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|---|---|---|---|
| CN201810441493.0A CN108888385B (en) | 2018-05-10 | 2018-05-10 | Restoration body reparation method based on skin soft tissue deformation |
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| CN108888385A true CN108888385A (en) | 2018-11-27 |
| CN108888385B CN108888385B (en) | 2020-08-07 |
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| CN1453748A (en) * | 2003-05-13 | 2003-11-05 | 中国医学科学院整形外科医院 | Digitized prepn of artificial implant for personalized facial plastics |
| CN1471412A (en) * | 2000-06-29 | 2004-01-28 | ����ϳɼ������ô�˾ | Composition and method for the repair and regeneration of cartilage and other tissues |
| WO2008038851A1 (en) * | 2006-09-30 | 2008-04-03 | Eun Hyun Bae | Lightweight silicone implant and manufacturing method thereof |
| CN102044086A (en) * | 2010-11-30 | 2011-05-04 | 华北水利水电学院 | Soft tissue deformation simulation method |
| EP2848231A1 (en) * | 2012-05-10 | 2015-03-18 | Pacificpharma Corporation | Filler for removing wrinkles |
| CN107582139A (en) * | 2008-04-01 | 2018-01-16 | 通用医疗公司 | The method and apparatus of tissue transplantation |
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2018
- 2018-05-10 CN CN201810441493.0A patent/CN108888385B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1471412A (en) * | 2000-06-29 | 2004-01-28 | ����ϳɼ������ô�˾ | Composition and method for the repair and regeneration of cartilage and other tissues |
| CN1453748A (en) * | 2003-05-13 | 2003-11-05 | 中国医学科学院整形外科医院 | Digitized prepn of artificial implant for personalized facial plastics |
| WO2008038851A1 (en) * | 2006-09-30 | 2008-04-03 | Eun Hyun Bae | Lightweight silicone implant and manufacturing method thereof |
| CN107582139A (en) * | 2008-04-01 | 2018-01-16 | 通用医疗公司 | The method and apparatus of tissue transplantation |
| CN102044086A (en) * | 2010-11-30 | 2011-05-04 | 华北水利水电学院 | Soft tissue deformation simulation method |
| EP2848231A1 (en) * | 2012-05-10 | 2015-03-18 | Pacificpharma Corporation | Filler for removing wrinkles |
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| CN108888385B (en) | 2020-08-07 |
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