CN215606576U - Single-tube type artificial lacrimal duct - Google Patents
Single-tube type artificial lacrimal duct Download PDFInfo
- Publication number
- CN215606576U CN215606576U CN202122087964.2U CN202122087964U CN215606576U CN 215606576 U CN215606576 U CN 215606576U CN 202122087964 U CN202122087964 U CN 202122087964U CN 215606576 U CN215606576 U CN 215606576U
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- CN
- China
- Prior art keywords
- lacrimal duct
- enlarged end
- duct main
- main body
- artificial
- Prior art date
- 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.)
- Expired - Fee Related
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 201000010099 disease Diseases 0.000 abstract description 4
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 abstract description 4
- 238000002513 implantation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 210000000744 eyelid Anatomy 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 241000909851 Epiphora Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 208000016747 lacrimal apparatus disease Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000036262 stenosis Effects 0.000 description 1
- 208000037804 stenosis Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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Abstract
The utility model discloses a single-tube artificial lacrimal duct, which comprises a lacrimal duct main body, wherein a hollow channel is formed in the middle of the lacrimal duct main body, a first expansion end is arranged at the end part of the lacrimal duct main body, a second expansion end is arranged at the end part of the first lacrimal duct main body and positioned at one side position of the first expansion end, two groups of semicircular lugs are staggered up and down on the outer wall of the lacrimal duct main body, and each group of semicircular lugs are arranged at intervals. On the basis of meeting the requirement of effectively solving the lacrimal duct reconstruction of the upper lacrimal duct diseases, the utility model simultaneously reduces the complexity of the implantation operation of the artificial lacrimal duct, avoids damaging the normal lacrimal duct tissues, is simple to take out after the operation, can beautify the appearance after the operation, and improves the practicability of the single-tube artificial lacrimal duct.
Description
Technical Field
The utility model relates to the field of lacrimal ducts, in particular to a single-tube artificial lacrimal duct.
Background
The artificial lacrimal duct has a great effect in the operation of lacrimal duct diseases, and when the artificial lacrimal duct is implanted at different times after the operation of the lacrimal duct, granulation and even occlusion are easily formed in the healing process of the original lacrimal duct. It will affect tear drainage and lead to a lifetime of epiphora. For example, in the operation of lacrimal duct diseases such as lacrimal duct rupture and stenosis, an artificial lacrimal duct is required to be implanted. Therefore, the simultaneous implantation of artificial lacrimal ducts is an essential critical step for improving the success rate of the surgery.
The artificial lacrimal ducts used in the market are roughly divided into two types: one is a double-tube artificial lacrimal duct which is used more frequently and has the defects of knotting in nose, complex operation, damage to healthy tissues, unattractive appearance and the like; the second type is a traditional single-tube artificial lacrimal duct, which also needs to be fixed on eyelid skin or nasal vestibule by suturing, has poor stability, has the possibility of thread collapse and falling off, and needs to be performed for the second operation.
SUMMERY OF THE UTILITY MODEL
The present invention has been made to solve the above-mentioned problems occurring in the prior art, and an object of the present invention is to provide a single-tube type artificial lacrimal duct.
In order to achieve the purpose, the utility model provides the following technical scheme: artifical lacrimal duct of single cast type, including the lacrimal duct main part, the cavity passageway has been seted up at the middle part of lacrimal duct main part, the tip of lacrimal duct main part is provided with first inflation end, the tip of first lacrimal duct main part and the one side position department that is located first inflation end are provided with the second inflation end, the outer wall of lacrimal duct main part is crisscross about being provided with two sets of semi-circular lugs, every group semi-circular lug is a plurality of and is the interval setting.
Preferably, the outer side of the first expansion end is arc-surface-shaped, the inner side of the first expansion end is planar, and the outer side and the inner side of the second expansion end are both arc-surface-shaped.
Preferably, the diameter of the first expanded end is 1.4mm-1.6mm, the diameter of the second expanded end is 1.1mm-1.3mm, and the distance between the first expanded end and the second expanded end is 0.5 mm.
Preferably, the lacrimal passage body has a diameter of 0.65mm and the hollow passage has a diameter of 0.5 mm.
Preferably, the height of the semicircular lug is 0.5mm, and the horizontal width between two semicircular lugs at the up-down staggered position is 1 mm.
Preferably, the length of the lacrimal duct main body is 12mm-18mm, and the lacrimal duct main body, the first expansion end, the second expansion end and the semicircular lug are all medical silica gel.
The utility model has the technical effects and advantages that:
on the basis of meeting the requirement of effectively solving the lacrimal duct reconstruction of the upper lacrimal duct diseases, the utility model simultaneously reduces the complexity of the implantation operation of the artificial lacrimal duct, avoids damaging the normal lacrimal duct tissues, is simple to take out after the operation, can beautify the appearance after the operation, and improves the practicability of the single-tube artificial lacrimal duct.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a front sectional structural view of the present invention.
Fig. 3 is a schematic view of the enlarged structure at a point a in fig. 1 according to the present invention.
In the figure: 1. a lacrimal duct body; 2. a first enlarged end; 3. a second enlarged end; 4. a semicircular bump; 5. a hollow channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a single-tube artificial lacrimal duct as shown in fig. 1-3, which comprises a lacrimal duct main body 1, wherein the middle part of the lacrimal duct main body 1 is provided with a hollow channel 5, the diameter of the lacrimal duct main body 1 is 0.65mm, and the diameter of the hollow channel 5 is 0.5mm, compared with the traditional single-tube artificial lacrimal duct, the single-tube artificial lacrimal duct can change a pipeline into a through structure, thereby being beneficial to drainage of a part of lacrimal fluid and effectively avoiding the overflow problem of the similar products;
the lacrimal duct main body 1 is provided with a first expansion end 2 at the end part, the outer side of the first expansion end 2 is in a shape of a circular arc surface, the inner side of the first expansion end 2 is in a shape of a plane, the end part of the first lacrimal duct main body 1 is provided with a second expansion end 3 at one side position of the first expansion end 2, the outer side and the inner side of the second expansion end 3 are both in a shape of a circular arc surface, the diameter of the first expansion end 2 is 1.4mm-1.6mm, the diameter of the first expansion end 2 is optimal when 1.5mm, the diameter of the second expansion end 3 is 1.1mm-1.3mm, the diameter of the second expansion end 3 is optimal when 1.2mm, and the distance between the first expansion end 2 and the second expansion end 3 is 0.5 mm;
the outer wall of the lacrimal duct main body 1 is provided with two groups of semicircular lugs 4 in an up-down staggered manner, each group of semicircular lugs 4 is provided with a plurality of semicircular lugs 4 at intervals, the height of each semicircular lug 4 is 0.5mm, and the horizontal width between two semicircular lugs 4 positioned at the up-down staggered position is 1mm, namely the horizontal width between two adjacent semicircular lugs 4 positioned at the same side of the outer wall of the lacrimal duct main body 1 is 2mm, the arrangement of the semicircular lugs 4 is that rubber and the traditional single-tube artificial lacrimal duct, so that the lacrimal duct main body 1 has better stability and the installation safety is improved;
the length of the lacrimal duct main body 1 is 12mm-18mm, wherein the length of the lacrimal duct main body 1 is generally selected to be even number, and the lacrimal duct main body 1, the first expansion end 2, the second expansion end 3 and the semicircular lug 4 are all medical silica gel, and the medical silica gel material which is soft, safe and not easy to corrode is adopted, so that the material has good biocompatibility with a human body, no rejection and is not easy to damage lacrimal canaliculus.
The working principle of the utility model is as follows: this kind of single-tube type artificial lacrimal duct, through the first end 2 and the second end 3 that expand that set up at 1 tip of lacrimal duct main part, a plurality of semicircular lugs 4 that interlock the setting from top to bottom of 1 outer wall of lacrimal duct main part of deuterogamying, can cross and gain better stability, prevent its installation and patient's eyelid skin or nasal vestibule department after, the possibility that collapses the line and drop appears easily, simultaneously through seting up hollow channel 5 in 1 inside of lacrimal duct main part, make the inside logical structure in being of lacrimal duct main part 1, help the drainage of partial tear, the problem of the tear appears after effectively having avoided patient's installation lacrimal duct.
In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. Single-tube type artificial lacrimal duct, including lacrimal duct main part (1), its characterized in that, cavity passageway (5) have been seted up at the middle part of lacrimal duct main part (1), the tip of lacrimal duct main part (1) is provided with first enlarged end (2), the tip of first lacrimal duct main part (1) and the one side position department that is located first enlarged end (2) are provided with second enlarged end (3), the outer wall of lacrimal duct main part (1) is crisscross about being provided with two sets of semi-circular lug (4), every group semi-circular lug (4) are a plurality of and are the interval setting.
2. The single tubular artificial lacrimal duct of claim 1, wherein an outer side of the first enlarged end (2) is arc-shaped, and an inner side of the first enlarged end (2) is planar, and both the outer side and the inner side of the second enlarged end (3) are arc-shaped.
3. The single tubular artificial lacrimal duct of claim 1, wherein the first enlarged end (2) has a diameter of 1.4mm to 1.6mm, the second enlarged end (3) has a diameter of 1.1mm to 1.3mm, and a distance between the first enlarged end (2) and the second enlarged end (3) is 0.5 mm.
4. The single tubular artificial lacrimal duct of claim 1, wherein a diameter of the lacrimal duct body (1) is 0.65mm, and a diameter of the hollow channel (5) is 0.5 mm.
5. The single-tube artificial lacrimal duct according to claim 1, wherein a height of the semicircular projections (4) is 0.5mm, and a horizontal width between two of the semicircular projections (4) at the vertically staggered position is 1 mm.
6. The single-tube artificial lacrimal duct of claim 1, wherein the length of the lacrimal duct main body (1) is 12mm-18mm, and the lacrimal duct main body (1), the first enlarged end (2), the second enlarged end (3), and the semicircular bump (4) are all medical silica gel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122087964.2U CN215606576U (en) | 2021-08-31 | 2021-08-31 | Single-tube type artificial lacrimal duct |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122087964.2U CN215606576U (en) | 2021-08-31 | 2021-08-31 | Single-tube type artificial lacrimal duct |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215606576U true CN215606576U (en) | 2022-01-25 |
Family
ID=79905127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122087964.2U Expired - Fee Related CN215606576U (en) | 2021-08-31 | 2021-08-31 | Single-tube type artificial lacrimal duct |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215606576U (en) |
-
2021
- 2021-08-31 CN CN202122087964.2U patent/CN215606576U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220125 |
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| CF01 | Termination of patent right due to non-payment of annual fee |