CN214129015U - A limiter for anterograde lacrimal drainage tube - Google Patents
A limiter for anterograde lacrimal drainage tube Download PDFInfo
- Publication number
- CN214129015U CN214129015U CN202022572004.0U CN202022572004U CN214129015U CN 214129015 U CN214129015 U CN 214129015U CN 202022572004 U CN202022572004 U CN 202022572004U CN 214129015 U CN214129015 U CN 214129015U
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- CN
- China
- Prior art keywords
- drainage tube
- lacrimal
- limit block
- limiting block
- limiter
- 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
Links
- 230000000670 limiting effect Effects 0.000 claims abstract description 54
- 230000003872 anastomosis Effects 0.000 abstract description 3
- 210000003928 nasal cavity Anatomy 0.000 description 3
- 206010054107 Nodule Diseases 0.000 description 2
- 230000002980 postoperative effect Effects 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 238000002430 laser surgery Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002324 minimally invasive surgery Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000001356 surgical procedure Methods 0.000 description 1
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- External Artificial Organs (AREA)
- Prostheses (AREA)
Abstract
一种顺向泪道引流管的限位器，包括限位块，所述限位块上端的横向直径大于0.5厘米，所述限位块上沿自上而下的方向设有通孔，所述通孔供顺向泪道引流管穿过，所述限位块的上端面呈斜面。限位块的上端面呈斜面，当引流管被意外牵拉时，限位块的顶部接触吻合区后受杠杆原理作用自行旋转，使限位块卡在吻合区的鼻腔端从而发挥限位功能。这样即可达到限位效果，可解决顺向泪道引流管的限位困难，将引流管有效地限位于造瘘区域，避免结节被意外牵拉至泪囊内导致手术失败，或者患者意外拔出引流管导致管道断裂、残留等情况，需要再次手术取出残端，也避免因意外脱位、嵌顿引起对患者的损害和由此带来的二次手术。
A limiter for a lacrimal duct drainage tube, comprising a limit block, the transverse diameter of the upper end of the limit block is greater than 0.5 cm, and the limit block is provided with a through hole along the top-down direction, so the The through hole is used for passing through the lacrimal duct drainage tube, and the upper end surface of the limiting block is inclined. The upper end surface of the limit block is inclined. When the drainage tube is accidentally pulled, the top of the limit block contacts the anastomotic area and then rotates automatically under the action of the lever principle, so that the limit block is stuck at the nasal end of the anastomosis area to play the limit function. . In this way, the limiting effect can be achieved, which can solve the difficulty of limiting the antegrade lacrimal drainage tube, effectively limit the drainage tube to the ostomy area, and prevent the nodule from being accidentally pulled into the lacrimal sac, resulting in failure of the operation or accidental patient accident. Pulling out the drainage tube leads to the rupture and residue of the pipeline, which requires another operation to remove the stump, and also avoids damage to the patient due to accidental dislocation and incarceration and the resulting secondary operation.
Description
Technical Field
The utility model relates to a drainage tube stopper field, especially a stopper of cisoid lacrimal passage drainage tube.
Background
With the advent of the age of minimally invasive surgery, various endoscopic surgical techniques are continuously developed and perfected, and the success rate of laser surgery through lacrimal passages is continuously improved. The consequent lacrimal drainage tube ensures that the postoperative fistulization channel keeps unobstructed effective temporary auxiliary support, but clinically only three continuous nodules are made by the drainage tube itself for limiting, and the drainage tube cannot be effectively limited in a fistulization area. Because the drainage tube is made of silica gel, the drainage tube is easy to deform, and often postoperative nodules are accidentally pulled into a lacrimal sac to cause operation failure, or a patient accidentally pulls out the drainage tube to cause pipeline breakage, residue and the like, and the residual end needs to be taken out again through operation.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a stopper of cisoid lacrimal passage drainage tube, spacing effectively in fistulization region with the drainage tube, avoid the nodule to be leaded to the operation failure in unexpected tractive to the dacryocyst, perhaps the patient is unexpected to extract the drainage tube and lead to the pipeline fracture, remain the circumstances such as, need the operation once more and take out the stub.
The purpose of the utility model is realized through the following technical scheme:
a limiting block of a forward lacrimal passage drainage tube comprises a limiting block, wherein the transverse diameter of the upper end of the limiting block is larger than 0.5 cm, a through hole is formed in the limiting block along the top-down direction, the forward lacrimal passage drainage tube can penetrate through the through hole, and the upper end surface of the limiting block is an inclined surface.
Further, the transverse diameter of the lower end of the limiting block is larger than 0.5 cm, and the lower end surface of the limiting block is an inclined surface.
Furthermore, the top of the limiting block is an arc surface.
Furthermore, the top and the bottom of the limiting block are both cambered surfaces.
Furthermore, the transverse diameters of the upper end and the lower end of the limiting block are not equal.
Furthermore, the transverse diameters of the upper end and the lower end of the limiting block are both 0.5-2.5 cm, and the transverse diameter of the through hole is 0.3-1.5 cm.
Furthermore, the transverse diameter of the upper end of the limiting block is 2.1 cm, and the transverse diameter of the through hole is 1.1 cm.
Further, the transverse diameter of the lower end of the limiting block is 2.1 cm.
As another design, the transverse diameter of the lower end of the limiting block is 1.5 cm.
Furthermore, the longitudinal diameter of the limiting block is between 2 and 4.5 centimeters.
The utility model has the advantages that:
the upper end of the limiting block is an inclined plane, when the drainage tube is pulled accidentally, the top of the limiting block is contacted with the anastomosis area and then automatically rotates under the action of the lever principle, so that the limiting block is clamped at the nasal cavity end of the anastomosis area to exert the limiting function.
Therefore, the limiting effect can be achieved no matter the conventional double-strand drainage tube passes through the through hole or only a single-strand drainage tube passes through the through hole due to the limitation of operation technology. Therefore, the limiting difficulty of the forward lacrimal duct drainage tube can be solved, the drainage tube is effectively limited in a fistulization area, the condition that the nodule is accidentally pulled into a lacrimal sac to cause operation failure, or a patient accidentally pulls out the drainage tube to cause pipeline breakage, residue and the like is avoided, the stump needs to be taken out for the secondary operation, and the damage to the patient and the secondary operation caused by the accidental dislocation and incarceration are also avoided.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic cross-sectional view of the present invention;
FIG. 3 is a schematic view of both draft tubes passing through the through hole;
FIG. 4 is a schematic view of a draft tube passing through a through hole;
FIG. 5 is a schematic view of the rotation of the limiting block;
FIG. 6 is a schematic structural diagram according to a fourth embodiment;
FIG. 7 is a schematic sectional view of a fourth embodiment;
FIG. 8 is a front view of a tubular object;
FIG. 9 is a cross-sectional elevation view of a tubular object;
fig. 10 is a top view of a tubular object.
In the figure, a limiting block 1, a through hole 11, an upper end surface 12, a lower end surface 13, a drainage tube 2 and a tubular object 3.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein. The present invention can also be implemented or applied through other different specific embodiments, and various details in the present specification can be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It is to be noted that the features in the following embodiments and examples may be combined with each other without conflict.
It should be noted that the drawings provided in the following embodiments are only for illustrating the basic concept of the present invention, and the components related to the present invention are only shown in the drawings rather than drawn according to the number, shape and size of the components in actual implementation, and the form, amount and ratio of the components in actual implementation may be changed at will, and the layout of the components may be more complicated.
The first embodiment is as follows:
as shown in fig. 1 to 5, the stopper of the antegrade lacrimal passage drainage tube comprises a stopper 1, wherein the transverse diameter of the upper end of the stopper 1 is larger than 0.5 cm, a through hole 11 is arranged on the stopper 1 along the direction from top to bottom, the through hole 11 is used for the antegrade lacrimal passage drainage tube 2 to pass through, and the upper end surface 12 of the stopper 1 is an inclined surface.
The top and the bottom of the limiting block 1 are both cambered surfaces. Therefore, the patient can be prevented from being scratched by the top tip of the limiting block 1.
The using method comprises the following steps:
when the drainage tube 2 needs to be arranged on the main body part of the clinical lacrimal passage operation, after the conventional drainage tube implantation operation is carried out, the two drainage tubes 2 are led out from the nasal cavity, at the moment, the two drainage tubes 2 penetrate through the through hole 11, if the two drainage tubes 2 are difficult to penetrate, one drainage tube 2 can penetrate through the through hole 11, the other drainage tube does not penetrate through the through hole 11, after the proper tightness is adjusted, the limiting block 1 is pushed to the position of the anastomotic stoma, the two drainage tubes 2 are continuously knotted for more than three times, and the redundant drainage tubes are cut off at a distance of more than 5mm from the knots.
The upper end face 12 of the limiting block 1 is an inclined plane, when the drainage tube 2 is pulled accidentally, the top of the limiting block 1 is contacted with the anastomotic region and then automatically rotates along the direction shown in figure 5 under the action of the lever principle, so that the limiting block 1 is clamped at the nasal cavity end of the anastomotic region to exert the limiting function.
Therefore, the limiting effect can be achieved whether the conventional double-strand drainage tube 2 passes through the through hole 11 or only the single-strand drainage tube 2 passes through the through hole 11 due to the limitation of operation technology. Can solve the spacing difficulty of cisoid lacrimal passage drainage tube 2 like this, spacing drainage tube 2 in fistulization region effectively, avoid the tubercle to be accidentally drawn to the dacryocyst in lead to the operation failure, perhaps the patient accidentally extracts drainage tube 2 and leads to the condition such as pipeline fracture, remain, need the operation once more and take out the stub, also avoid because of unexpected dislocation, the incarceration arouses to patient's harm and the secondary operation that brings from this.
Example two:
as shown in fig. 1 to 5, the second embodiment has all the features of the first embodiment, except that:
the transverse diameter of the lower end of the limiting block 1 is larger than 0.5 cm, and the lower end face 13 of the limiting block 1 is an inclined plane.
Therefore, the upper end and the lower end of the limiting block 1 can realize limiting action, and the upper end and the lower end do not need to be distinguished when in use.
The top and the bottom of the limiting block 1 are both cambered surfaces. Therefore, the patient can be prevented from being scratched by the top tip of the limiting block 1.
Example three:
as shown in fig. 1 to 5, the third embodiment has all the features of the second embodiment, except that:
the transverse diameters of the upper end and the lower end of the limiting block 1 are both 0.5 cm, and the transverse diameter of the through hole 11 is 0.3 cm. Thus being convenient for children patients to use.
Or the transverse diameters of the upper end and the lower end of the limiting block 1 are both 2.5 cm, and the transverse diameter of the through hole 11 is 1.5 cm. Thus being convenient for the patient with big nostril.
Or the transverse diameters of the upper end and the lower end of the limiting block 1 are both 2.1 cm, and the transverse diameter of the through hole 11 is 1.1 cm. This facilitates use by patients with moderate nostril sizes.
Example four:
as shown in fig. 1 to 7, the fourth embodiment has all the features of the second embodiment, except that:
the transverse diameters of the upper end and the lower end of the limiting block 1 are unequal. The transverse diameter of the upper end of the limiting block 1 is 2.1 cm, and the transverse diameter of the through hole 11 is 1.1 cm. The transverse diameter of the lower end of the limiting block 1 is 1.5 cm. Therefore, the same limiting block 1 can be used by patients with large nostril size difference.
The longitudinal diameter of the limiting block 1 is 2-4.5 cm. Preferably 3 cm, for more convenient use by the patient.
Example five:
as shown in fig. 8 to 10, the fifth embodiment has all the features of the first embodiment, except that:
the limiting block 1 is a tubular object 3 with a trapezoidal longitudinal section, the tubular object 3 is made of polyethylene pipes, the inner diameter of the tubular object 3 is 1.1 cm, so that a single or double drainage tube 2 can pass through, the outer diameter of the tubular object 3 is 2.1 cm, and the wall thickness of the tubular object 3 is 0.5 cm.
The two mutually parallel sides of the trapezoidal longitudinal section of the tubular object 3 are respectively 4.5 cm and 3 cm long. And processing the edge arc of the trapezoidal longitudinal section.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572004.0U CN214129015U (en) | 2020-11-10 | 2020-11-10 | A limiter for anterograde lacrimal drainage tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022572004.0U CN214129015U (en) | 2020-11-10 | 2020-11-10 | A limiter for anterograde lacrimal drainage tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214129015U true CN214129015U (en) | 2021-09-07 |
Family
ID=77562852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022572004.0U Expired - Fee Related CN214129015U (en) | 2020-11-10 | 2020-11-10 | A limiter for anterograde lacrimal drainage tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214129015U (en) |
-
2020
- 2020-11-10 CN CN202022572004.0U patent/CN214129015U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |