CN110811926A - High-density expanded polytetrafluoroethylene nasal plastic stent and preparation method thereof - Google Patents
High-density expanded polytetrafluoroethylene nasal plastic stent and preparation method thereof Download PDFInfo
- Publication number
- CN110811926A CN110811926A CN201911260115.3A CN201911260115A CN110811926A CN 110811926 A CN110811926 A CN 110811926A CN 201911260115 A CN201911260115 A CN 201911260115A CN 110811926 A CN110811926 A CN 110811926A
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- Prior art keywords
- sheet
- expanded polytetrafluoroethylene
- supporting
- density expanded
- stent
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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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- 229920000295 expanded polytetrafluoroethylene Polymers 0.000 title claims abstract description 51
- 239000004033 plastic Substances 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000002994 raw material Substances 0.000 claims abstract description 6
- 229910003460 diamond Inorganic materials 0.000 claims 1
- 239000010432 diamond Substances 0.000 claims 1
- -1 polytetrafluoroethylene Polymers 0.000 claims 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 1
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 239000002537 cosmetic Substances 0.000 abstract 1
- 238000007493 shaping process Methods 0.000 description 4
- 230000003796 beauty Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- 210000000845 cartilage Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Images
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
- A61F2/02—Prostheses implantable into the body
- A61F2/18—Internal ear or nose parts, e.g. ear-drums
- A61F2/186—Nose parts
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/24—Surgical instruments, devices or methods, e.g. tourniquets for use in the oral cavity, larynx, bronchial passages or nose; Tongue scrapers
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00743—Type of operation; Specification of treatment sites
- A61B2017/00792—Plastic 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
- A61F2240/00—Manufacturing or designing of prostheses classified in groups A61F2/00 - A61F2/26 or A61F2/82 or A61F9/00 or A61F11/00 or subgroups thereof
- A61F2240/001—Designing or manufacturing processes
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Otolaryngology (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Molecular Biology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Pulmonology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Cardiology (AREA)
- Transplantation (AREA)
- Vascular Medicine (AREA)
- Dentistry (AREA)
- Prostheses (AREA)
Abstract
The invention provides a high-density expanded polytetrafluoroethylene nasal reshaping bracket, which relates to the technical field of cosmetic reshaping and solves the technical problems that an expanded material used by the nasal reshaping bracket in the prior art is softer and has insufficient supporting force; the invention also provides a preparation method of the high-density expanded polytetrafluoroethylene nasal plastic stent, which compresses the expanded polytetrafluoroethylene used as the raw material to form the high-density expanded polytetrafluoroethylene, so that the expanded polytetrafluoroethylene structure is hardened, the supporting force of the expanded polytetrafluoroethylene structure is increased, the stent made of the high-density expanded polytetrafluoroethylene has better strength, and the risk of later deformation is avoided.
Description
Technical Field
The invention relates to the technical field of beauty and plastic, in particular to a high-density expanded polytetrafluoroethylene nasal plastic stent and a preparation method thereof.
Background
The nose has a name of 'king of face' from ancient times, and the modern practice of beautifying, Korean and new singing proves that the nose is the soul of beauty; the shape of the nose has special significance in the aesthetic value of the face, and also has great influence on the whole shape, irrelevant face and even love life of people; the nose which is not beautiful is changed into a beautiful nose, so that an operator can change the head and face, judge two persons, obtain the psychological maximum satisfaction, meet the expected beauty result of the operator, namely the 'best effect' of the nose plastic, and the nose plastic is the surgical operation for shaping the nose; the nose shaping can reduce or increase the size of the nose, change the shape of the nose head or the nose bridge, narrow the flaring nose wing, or change the shape of the triangular area between the nose and the upper lip.
The applicant finds that at least the following technical problems exist in the prior art: most of the prior art changes the height and the shape of the nose by implanting proper materials into the nose hump, sometimes, the nose hump is made by specifically selecting the swelling material, but the swelling material is soft, the supporting force is insufficient, and the use is influenced.
Disclosure of Invention
The invention aims to provide a high-density expanded polytetrafluoroethylene nasal plastic stent and a preparation method thereof, and aims to solve the technical problems that an expanded material used for the nasal plastic stent in the prior art is softer and has insufficient supporting force. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the invention are described in detail in the following.
In order to achieve the purpose, the invention provides the following technical scheme:
a high density expanded polytetrafluoroethylene nasal plastic stent comprising a first support sheet, a second support sheet and a third support sheet, wherein: the top ends of the first support sheet, the second support sheet and the third support sheet are fixedly connected together, any two of the first support sheet, the second support sheet and the third support sheet form an inverted V-shaped bracket, the first support sheet, the second support sheet and the third support sheet jointly form a triangular pyramid-like bracket, and the first support sheet, the second support sheet and the third support sheet are all made of high-density expanded polytetrafluoroethylene.
Preferably, the top ends of the first support sheet, the second support sheet and the third support sheet are sewn together.
Preferably, the cutting surfaces of the bottom ends of the first support sheet, the second support sheet and the third support sheet are located in the same plane.
Preferably, an included angle between the first support sheet and the second support sheet is equal to an included angle between the first support sheet and the third support sheet.
Preferably, the first support sheet has a curvature.
Preferably, a side of the first support sheet remote from the second support sheet or the third support sheet protrudes outward.
Preferably, the bottom end of the first support sheet is connected to the bottom end of the second support sheet and the bottom end of the third support sheet through a connection structure.
Preferably, the connecting structure is a stay wire.
Preferably, the top ends of the first support sheet, the second support sheet and the third support sheet are all smooth structures with radian.
The invention also provides a preparation method of the high-density expanded polytetrafluoroethylene nasal plastic stent, which comprises the following steps:
step S1: extruding the expanded polytetrafluoroethylene raw material with the thickness of 4mm by using an extruding tool to form a sheet with the thickness of 1.2mm-1.5mm to obtain high-density expanded polytetrafluoroethylene;
step S2: cutting the high-density expanded polytetrafluoroethylene obtained in the step S1 into strips with the width of 0.5mm by using a surgical slicing knife to obtain strip supporting sheets;
step S3: and (5) fixing the strip-shaped support sheet obtained in the step (S2) to form the high-density expanded polytetrafluoroethylene nasal shaping support.
The invention provides a high-density expanded polytetrafluoroethylene nasal plastic stent and a preparation method thereof.A triangular pyramid-like stent is formed on the basis that every two support sheets form an inverted V-shaped structure by connecting the top ends of a first support sheet, a second support sheet and a third support sheet together, wherein the triangular pyramid structure has good structural strength and stability and can prolong the service life of the stent.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of one embodiment of the present invention;
in fig. 1, a first support sheet; 2. a second support sheet; 3. a third support sheet; 4. and (5) a connecting structure.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "side," and the like, as used herein, are used in the orientation or positional relationship indicated in FIG. 1, merely to facilitate the description of the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a high density expanded polytetrafluoroethylene nasal plastic stent comprising a first support sheet 1, a second support sheet 2 and a third support sheet 3, wherein: the top ends of the first support sheet 1, the second support sheet 2 and the third support sheet 3 are fixedly connected together, any two of the first support sheet 1, the second support sheet 2 and the third support sheet 3 form an inverted V-shaped bracket, the first support sheet 1, the second support sheet 2 and the third support sheet 3 jointly form a triangular pyramid bracket, the triangular pyramid structure has good structural strength and stability, the service life of the bracket can be prolonged, and the first support sheet 1, the second support sheet 2 and the third support sheet 3 are all made of high-density expanded polytetrafluoroethylene, the expanded polytetrafluoroethylene used as the raw material is compressed, so that the expanded polytetrafluoroethylene structure is hardened, the density is increased, the supporting force of the expanded polytetrafluoroethylene structure is increased, the bracket made of the high-density expanded polytetrafluoroethylene has better strength, and avoids the risk of later deformation.
As an alternative embodiment, the top ends of the first support sheet 1, the second support sheet 2 and the third support sheet 3 are sewn together.
As an alternative embodiment, the cutting surfaces of the bottom ends of the first support sheet 1, the second support sheet 2 and the third support sheet 3 are in the same plane, so that the positioning is more accurate after the support sheet is finally implanted into the nose, and the problems of deviation and the like are avoided.
As an optional implementation manner, an included angle between the first supporting sheet 1 and the second supporting sheet 2 is equal to an included angle between the first supporting sheet 1 and the third supporting sheet 3, and the included angles are the same, so that the structures are aligned, balance is kept, and stability is improved.
As an optional implementation manner, the first support sheet 1 has a radian, so that the first support sheet 1 is arc-shaped as a whole, and one side of the first support sheet 1 away from the second support sheet 2 or the third support sheet 3 protrudes outwards, so that the structural contour is more natural and conforms to the shape of the inner wall of the nose.
As an optional implementation manner, the bottom end of the first supporting sheet 1 is respectively connected with the bottom end of the second supporting sheet 2 and the bottom end of the third supporting sheet 3 through the connecting structure 4, wherein the connecting structure 4 is specifically made of a stay wire, the two ends of the stay wire are respectively connected with the bottom end of the first supporting sheet 1 and the bottom end of the second supporting sheet 2, the bottom end of the first supporting sheet 1 and the bottom end of the third supporting sheet 3, and the connecting structure 4 formed by the stay wire can effectively keep the included angle of the first supporting sheet 1 relative to the second supporting sheet 2 and the third supporting sheet 3, so that the structure is not easy to be opened, and the stress is more stable and uniform.
As an optional implementation manner, top ends of the first supporting sheet 1, the second supporting sheet 2 and the third supporting sheet 3 are all smooth structures with radians, so that the structures are transited naturally and are not abrupt, and damage and influence to the nose caused by bulges existing in the structures are avoided.
The invention also provides a preparation method of the high-density expanded polytetrafluoroethylene nasal plastic stent, which comprises the following steps:
step S1: extruding the expanded polytetrafluoroethylene raw material with the thickness of 4mm by using an extruding tool to form a sheet with the thickness of 1.2mm-1.5mm to obtain high-density expanded polytetrafluoroethylene;
step S2: cutting the high-density expanded polytetrafluoroethylene obtained in the step S1 into strips with the width of 0.5mm by using a surgical slicing knife to obtain strip supporting sheets;
step S3: and (5) fixing the strip-shaped support sheet obtained in the step (S2) to form the high-density expanded polytetrafluoroethylene nasal shaping support.
The extruding tool can be used for extruding the expanded polytetrafluoroethylene by using equipment such as a cartilage squeezer and the like to form high-density expanded polytetrafluoroethylene, so that the thickness of the obtained high-density expanded polytetrafluoroethylene is more uniform, after the extruding tool is used for extruding, the thickness of an expanded polytetrafluoroethylene raw material can be compressed to a sheet of 1.2mm-1.5mm from 4mm, the compacted expanded polytetrafluoroethylene structure is hardened, and the supporting force is improved;
the high-density expanded polytetrafluoroethylene is cut by a surgical slicing knife according to the shapes of a first supporting sheet 1, a second supporting sheet 2 and a third supporting sheet 3 which are actually used, so that the cutting is accurate;
and fixedly connecting the top ends of the first support sheet 1, the second support sheet 2 and the third support sheet 3 which are obtained by cutting together, and respectively connecting the bottom end of the first support sheet 1 with the bottom end of the second support sheet 2 and the bottom end of the third support sheet 3 by using a connecting structure 4 made of a stay wire to finally form a high-density expanded polytetrafluoroethylene nasal plastic stent to be implanted into the nose.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a high density expanded polytetrafluoroethylene nasal plastic support which characterized in that, includes first backing sheet (1), second backing sheet (2) and third backing sheet (3), wherein: the top end fixed connection of first backing sheet (1), second backing sheet (2) and third backing sheet (3) is in the same place, first backing sheet (1), second backing sheet (2) with arbitrary two in third backing sheet (3) constitute the support of falling V-arrangement and first backing sheet (1), second backing sheet (2) and third backing sheet (3) constitute class three diamond cone support jointly, first backing sheet (1), second backing sheet (2) and third backing sheet (3) all select for use high density expansion body polytetrafluoroethylene to make.
2. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 1, wherein: the top ends of the first supporting sheet (1), the second supporting sheet (2) and the third supporting sheet (3) are sewn together.
3. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 1, wherein: the cutting surfaces of the bottom ends of the first supporting sheet (1), the second supporting sheet (2) and the third supporting sheet (3) are positioned in the same plane.
4. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 1, wherein: the included angle between the first supporting sheet (1) and the second supporting sheet (2) is equal to the included angle between the first supporting sheet (1) and the third supporting sheet (3).
5. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 1, wherein: the first support sheet (1) has a curvature.
6. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 5, wherein: one side of the first supporting sheet (1), which is far away from the second supporting sheet (2) or the third supporting sheet (3), protrudes outwards.
7. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 1, wherein: the bottom end of the first supporting sheet (1) is respectively connected with the bottom end of the second supporting sheet (2) and the bottom end of the third supporting sheet (3) through a connecting structure (4).
8. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 7, wherein: the connecting structure (4) is a stay wire.
9. The high-density expanded polytetrafluoroethylene nasal reshaping stent of claim 1, wherein: the top ends of the first supporting sheet (1), the second supporting sheet (2) and the third supporting sheet (3) are all smooth structures with radian.
10. A preparation method of a high-density expanded polytetrafluoroethylene nasal plastic stent is characterized by comprising the following steps:
step S1: extruding the expanded polytetrafluoroethylene raw material with the thickness of 4mm by using an extruding tool to form a sheet with the thickness of 1.2mm-1.5mm to obtain high-density expanded polytetrafluoroethylene;
step S2: cutting the high-density expanded polytetrafluoroethylene obtained in the step S1 into strips with the width of 0.5mm by using a surgical slicing knife to obtain strip supporting sheets;
step S3: fixing the strip-shaped support sheet obtained in step S2 to form the high-density expanded polytetrafluoroethylene nasal reshaping stent as described in claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260115.3A CN110811926A (en) | 2019-12-10 | 2019-12-10 | High-density expanded polytetrafluoroethylene nasal plastic stent and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911260115.3A CN110811926A (en) | 2019-12-10 | 2019-12-10 | High-density expanded polytetrafluoroethylene nasal plastic stent and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110811926A true CN110811926A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911260115.3A Pending CN110811926A (en) | 2019-12-10 | 2019-12-10 | High-density expanded polytetrafluoroethylene nasal plastic stent and preparation method thereof |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040164445A1 (en) * | 2000-11-22 | 2004-08-26 | Bard Peripheral Vascular, Inc | High density microwall expanded polytetrafluoroethylene |
| US20090319034A1 (en) * | 2008-06-19 | 2009-12-24 | Boston Scientific Scimed, Inc | METHOD OF DENSIFYING ePTFE TUBE |
| CN102727326A (en) * | 2012-03-02 | 2012-10-17 | 俞良钢 | Adjustable columella nasi prosthesis |
| CN107812238A (en) * | 2017-11-27 | 2018-03-20 | 上海索康医用材料有限公司 | A kind of medical high-strength degree eptfe membrane flake products and preparation method thereof |
| CN108992132A (en) * | 2018-08-01 | 2018-12-14 | 程旭 | A kind of novel nasal plastic bracket and the minimally invasive acquisition nasal plastic application of bracket |
| CN209595836U (en) * | 2018-08-01 | 2019-11-08 | 程旭 | A kind of novel nasal plastic bracket |
| CN211535001U (en) * | 2019-12-10 | 2020-09-22 | 程旭 | High-density expanded polytetrafluoroethylene nasal plastic stent |
-
2019
- 2019-12-10 CN CN201911260115.3A patent/CN110811926A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040164445A1 (en) * | 2000-11-22 | 2004-08-26 | Bard Peripheral Vascular, Inc | High density microwall expanded polytetrafluoroethylene |
| US20090319034A1 (en) * | 2008-06-19 | 2009-12-24 | Boston Scientific Scimed, Inc | METHOD OF DENSIFYING ePTFE TUBE |
| CN102727326A (en) * | 2012-03-02 | 2012-10-17 | 俞良钢 | Adjustable columella nasi prosthesis |
| CN107812238A (en) * | 2017-11-27 | 2018-03-20 | 上海索康医用材料有限公司 | A kind of medical high-strength degree eptfe membrane flake products and preparation method thereof |
| CN108992132A (en) * | 2018-08-01 | 2018-12-14 | 程旭 | A kind of novel nasal plastic bracket and the minimally invasive acquisition nasal plastic application of bracket |
| CN209595836U (en) * | 2018-08-01 | 2019-11-08 | 程旭 | A kind of novel nasal plastic bracket |
| CN211535001U (en) * | 2019-12-10 | 2020-09-22 | 程旭 | High-density expanded polytetrafluoroethylene nasal plastic stent |
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