CN212853798U - Needle for lacrimal passage irrigation dilator - Google Patents
Needle for lacrimal passage irrigation dilator Download PDFInfo
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- CN212853798U CN212853798U CN202020795846.XU CN202020795846U CN212853798U CN 212853798 U CN212853798 U CN 212853798U CN 202020795846 U CN202020795846 U CN 202020795846U CN 212853798 U CN212853798 U CN 212853798U
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- needle
- expander
- thread
- dilator
- punctum
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Abstract
The utility model discloses a tear way washes syringe needle for expander, including expander body, syringe needle body and syringe, the fixed intercommunication in bottom of syringe has the drain pipe, the surface cover of drain pipe is equipped with the needle file, first thread groove has been seted up to the inner wall of needle file, the surface of drain pipe is provided with first thread. The utility model provides an because the punctum is the opening of muscular nature pipeline elastic, so often the patient is drawn the back by the dilated punctum and contracts closed again at first step punctum expander, make the second step wash the syringe needle and insert the difficulty, when the flush fluid in the cylinder has used up the lacrimal passage not wash when complete simultaneously, need extracting and reinserting of expander, lead to relapseing the punctum expansion, increase patient's misery, reduce work efficiency, and because the syringe needle links firmly mutually with the cylinder through frictional force, if too big very easily leads to the syringe needle to drop at the washing in-process, and then cause the problem of iatrogenic source nature damage.
Description
Technical Field
The utility model relates to the technical field of medical treatment, in particular to a needle head for a lacrimal passage flushing dilator.
Background
The lacrimal passage irrigation is an operation technique for injecting flushing fluid such as normal saline or other liquid medicine into lacrimal passage to dredge the obstruction of different parts, and is a conventional means for diagnosing and treating lacrimal passage diseases.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lacrimal passage washes syringe needle for expander, possess and avoid relapseing tear punctum expansion and the difficult advantage that drops of syringe needle, solved because the tear punctum is the opening elasticity of muscular pipeline, so often the patient is drawn the tear punctum that is expanded back and is contracted closed again at first step tear punctum expander, make the second step wash the syringe needle and insert the difficulty, simultaneously when the flush fluid in the cylinder is used up the tear punctum and is not washed completely, need extracting and reinserting of expander, lead to relapseing tear punctum expansion, increase patient's misery, reduce work efficiency, and because the syringe needle links firmly mutually through frictional force and cylinder, if the too big syringe needle that leads to of pressure drops in the process of washing, and then cause the problem of iatrogenic nature damage.
In order to achieve the above object, the utility model provides a following technical scheme: the needle for the lacrimal passage irrigation dilator comprises a dilator body, a needle body and an injector, wherein the bottom of the injector is fixedly communicated with a liquid outlet pipe, a needle seat is sleeved on the surface of the liquid outlet pipe, a first thread groove is arranged on the inner wall of the needle seat, a first thread is arranged on the surface of the liquid outlet pipe, the first thread groove is connected with the first thread, the bottom of the needle base is fixedly communicated with one end of the needle head body, one end of the needle head body penetrates through the inner cavity of the dilator body, the inner wall of the dilator body is provided with a second thread groove, the surface of the needle body, which is positioned at one end of the inner cavity of the dilator body, is provided with a second thread, the second thread groove is in threaded connection with the second thread, a liquid outlet groove is formed in one side of the expander body, a round hole is formed in the surface of the expander body, and the round hole is communicated with the liquid outlet groove.
Preferably, a limiting plate is fixedly sleeved on the surface of one end, away from the needle seat, of the needle body, the limiting plate is circular in shape, and one side of the limiting plate is in contact with one side of the dilator body.
Preferably, the surfaces of the dilator body and the needle body are respectively printed with scale lines, and the division value of the scale lines is 1 mm.
Preferably, the needle body is curved, and the outer diameter of the dilator body is gradually increased to be constant.
Compared with the prior art, the beneficial effects of the utility model are as follows:
1. the utility model has the advantages of avoiding repeated punctum expansion and preventing the needle head from falling off easily through the matching of the dilator body, the needle head body, the injector, the liquid outlet pipe, the needle seat, the first thread groove, the first thread, the second thread groove, the second thread, the liquid outlet groove and the round hole, and solves the problem that the punctum is the opening of the muscular tube and has elasticity, so that the dilated punctum of the patient is often contracted and closed after the first punctum dilator is pulled out, the second irrigation needle is difficult to insert, meanwhile, when the washing liquid in the needle cylinder is completely used and the lacrimal passage is not completely washed, the dilator needs to be pulled out and inserted again, which causes repeated punctum dilation, increases the pain of the patient and reduces the working efficiency, and because the needle head is fixedly connected with the needle cylinder through the friction force, if the pressure is too high in the flushing process, the needle head is easy to fall off, and then the problem of iatrogenic injury is caused.
2. The utility model discloses a set up the limiting plate, carry on spacingly to the expander body, prevent that the expander body from rotating too much after through second thread and second thread groove and this body coupling of syringe needle, influencing normal use, through setting up the scale mark, be convenient for to syringe needle body insertion process in judge the depth of needle insertion, avoid causing the patient to be painful.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1 according to the present invention;
FIG. 3 is an enlarged schematic view of B of FIG. 1 according to the present invention;
fig. 4 is a schematic view of the front view structure of the present invention.
In the figure: the dilator comprises a dilator body 1, a needle body 2, an injector 3, a liquid outlet pipe 4, a needle seat 5, a first thread groove 6, a first thread 7, a second thread groove 8, a second thread 9, a liquid outlet groove 10, a round hole 11, a limiting plate 12 and a scale mark 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the needle for lacrimal passage irrigation dilator comprises a dilator body 1, a needle body 2 and an injector 3, wherein a liquid outlet pipe 4 is fixedly communicated with the bottom of the injector 3, a needle base 5 is sleeved on the surface of the liquid outlet pipe 4, a first thread groove 6 is formed on the inner wall of the needle base 5, a first thread 7 is formed on the surface of the liquid outlet pipe 4, the first thread groove 6 is in threaded connection with the first thread 7, the bottom of the needle base 5 is fixedly communicated with one end of the needle body 2, one end of the needle body 2 penetrates into the inner cavity of the dilator body 1, a second thread groove 8 is formed on the inner wall of the dilator body 1, a second thread 9 is formed on the surface of the needle body 2 at one end of the inner cavity of the dilator body 1, the second thread groove 8 is in threaded connection with the second thread 9, a liquid outlet groove 10 is formed on one side of the dilator body 1, round hole 11 communicates with liquid outlet groove 10, the fixed surface cover that needle body 2 kept away from needle file 5 one end is equipped with limiting plate 12, the shape of limiting plate 12 is circular, one side of limiting plate 12 contacts with one side of expander body 1, through setting up limiting plate 12, it is spacing to expander body 1, prevent that expander body 1 from rotating too much after being connected with needle body 2 through second thread 9 and second thread groove 8, influence normal use, scale mark 13 has all been printed on the surface of expander body 1 and needle body 2, the scale mark 13's index value is 1mm, needle body 2 shape is curved, the external diameter of expander body 1 increases gradually to unchangeable, through setting up scale mark 13, be convenient for judge the depth of inserting needle in the process of needle body 2, avoid causing patient's pain, through expander body 1, needle body 2, syringe 3, drain pipe 4, Needle file 5, first thread groove 6, first thread 7, second thread groove 8, second thread 9, go out liquid groove 10 and round hole 11 and cooperate, possess the advantage of avoiding relapse punctum expansion and the difficult drop of syringe needle, solved because the punctum is the opening elasticity of muscular pipeline, so often the patient is drawn the punctum that is expanded after the first step punctum expander contracts closed again, make the second step wash the syringe needle and insert the difficulty, simultaneously when the flush fluid in the cylinder has used up the lacrimal passage and has not washed completely, need extracting and reinserting of expander, lead to relapse the punctum expansion, increase patient's misery, reduce work efficiency, and because the syringe needle links firmly mutually with the cylinder through frictional force, if the too big syringe needle that leads to in the process of washing drops if pressure, and then lead to the problem of iatrogenic damage.
Example 1:
the lacrimal passage irrigation dilator needle comprises a dilator body 1, a needle body 2 and an injector 3, a liquid outlet pipe 4 is fixedly communicated with the bottom of the injector 3, a needle seat 5 is sleeved on the surface of the liquid outlet pipe 4, a first thread groove 6 is arranged on the inner wall of the needle seat 5, a first thread 7 is arranged on the surface of the liquid outlet pipe 4, the first thread groove 6 is in threaded connection with the first thread 7, the bottom of the needle seat 5 is fixedly communicated with one end of the needle body 2, one end of the needle body 2 penetrates into the inner cavity of the dilator body 1, a second thread groove 8 is arranged on the inner wall of the dilator body 1, a second thread 9 is arranged on the surface of the needle body 2 at one end of the inner cavity of the dilator body 1, the second thread groove 8 is in threaded connection with the second thread 9, a liquid outlet groove 10 is arranged on one side of the dilator body 1, a round hole 11 is arranged on the surface of the, the scale marks 13 are printed on the surfaces of the dilator body 1 and the needle body 2, the division value of the scale marks 13 is 1mm, the needle body 2 is bent, the outer diameter of the dilator body 1 is gradually increased to be unchanged, by arranging the scale marks 13, the needle insertion depth can be conveniently judged in the insertion process of the needle body 2, the pain of a patient can be avoided, the dilator body 1, the needle body 2, the injector 3, the liquid outlet pipe 4, the needle base 5, the first thread groove 6, the first thread 7, the second thread groove 8, the second thread groove 9, the liquid outlet groove 10 and the round hole 11 are matched, the advantages of repeated punctum expansion and difficult falling of the needle can be avoided, the problem that the punctum is elastic due to the opening of a muscular pipeline, the punctum expanded punctum of the patient is frequently contracted and closed after the first punctum dilator is pulled out, the needle is difficult to insert in the second step of flushing is solved, and meanwhile, when the flushing fluid in the needle cylinder is not completely flushed with the lacrimal passage, the dilator needs to be pulled out and inserted again, so that repeated punctum dilation is caused, the pain of a patient is increased, the working efficiency is reduced, and the needle head is fixedly connected with the needle cylinder through friction force, so that the needle head is easy to fall off if the pressure is too high in the flushing process, and further the iatrogenic injury is caused.
Example 2:
the lacrimal passage irrigation dilator needle comprises a dilator body 1, a needle body 2 and an injector 3, a liquid outlet pipe 4 is fixedly communicated with the bottom of the injector 3, a needle seat 5 is sleeved on the surface of the liquid outlet pipe 4, a first thread groove 6 is arranged on the inner wall of the needle seat 5, a first thread 7 is arranged on the surface of the liquid outlet pipe 4, the first thread groove 6 is in threaded connection with the first thread 7, the bottom of the needle seat 5 is fixedly communicated with one end of the needle body 2, one end of the needle body 2 penetrates into the inner cavity of the dilator body 1, a second thread groove 8 is arranged on the inner wall of the dilator body 1, a second thread 9 is arranged on the surface of the needle body 2 at one end of the inner cavity of the dilator body 1, the second thread groove 8 is in threaded connection with the second thread 9, a liquid outlet groove 10 is arranged on one side of the dilator body 1, a round hole 11 is arranged on the surface of the, the surface of the needle body 2 far away from the needle seat 5 is fixedly sleeved with a limiting plate 12, the limiting plate 12 is circular, one side of the limiting plate 12 is contacted with one side of the dilator body 1, the needle body 2 is bent, the outer diameter of the dilator body 1 is gradually increased to be unchanged, the dilator body 1 is limited by the limiting plate 12, the dilator body 1 is prevented from rotating too much after being connected with the needle body 2 through a second thread 9 and a second thread groove 8, the normal use is influenced, the needle insertion depth is convenient to judge in the insertion process of the needle body 2 by setting a scale mark 13, the pain of a patient is avoided, the dilator body 1, the needle body 2, the injector 3, the liquid outlet pipe 4, the needle seat 5, the first thread groove 6, the first thread 7, the second thread groove 8, the second thread 9, the liquid outlet groove 10 is matched with the round hole 11, the advantages of avoiding repeated punctum expansion and difficult falling of the needle are achieved, the problem of because the punctum is that the opening of muscular pipeline is elastic, so often the patient is drawn back by the punctum of expanding and is contract closed again at first step punctum expander, make the second step wash the syringe needle and insert the difficulty, simultaneously when the flush fluid in the cylinder has used up the lacrimal passage and has not washed completely, need pulling out and reinserting of expander, lead to the expansion of repeated punctum, increase patient's misery, reduce work efficiency, and because the syringe needle links firmly mutually with the cylinder through frictional force, if too big lead to the syringe needle to drop if pressure in the washing process, and then cause iatrogenic damage is solved.
When in use, the dilator body 1 is fixed on the needle head body 2 through the connection of the second thread groove 8 and the second thread 9, so that the dilator body 1 is contacted with the limiting plate 12, then the needle base 5 is fixed on the liquid outlet pipe 4 through the connection of the first thread groove 6 and the first thread 7, so that the top of the needle base 5 is contacted with the bottom of the injector 3, the traditional needle head is prevented from being fixedly connected with the needle cylinder through friction force, the needle head is easy to fall off if the pressure is too high in the flushing process, and iatrogenic injury is caused, medical personnel completely insert the lacrimal passage dilator body 1 into the lacrimal passage, judge the insertion depth through the scale mark 13, flush the lacrimal passage through the flushing liquid in the injector 3, and avoid the traditional lacrimal passage flushing needle head from being blocked or stenosed by lacrimal punctum, further needs the lacrimal punctum dilator to be expanded, and then flush the lacrimal passage, which causes great trouble in operation, and increase patient's misery, when the flush fluid in syringe 3 used up but lacrimal passage did not wash completely, move expander body 1 outwards through syringe needle body 2, spill the round hole 11 on expander body 1, insert the round hole 11 with another syringe 3's that fills with the flush fluid syringe, wash lacrimal passage once more, avoid expander body 1 extract and reinsert, cause to relapse the punctum expansion increase patient's misery.
All parts used in the application document are standard parts and can be purchased from the market, and the specific connection mode of all parts adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and detailed description is not given here.
In summary, the following steps: this tear way washes syringe needle for expander, through expander body 1, syringe needle body 2, syringe 3, drain pipe 4, needle file 5, first thread groove 6, first screw 7, second thread groove 8, second screw 9, go out liquid groove 10 and round hole 11 and cooperate, it is elastic to have solved because the lacrimum is the opening of muscular pipeline, so often the patient is drawn the lacrimum punctum that is expanded after first step lacrimum expander and contracts closure again, make second step wash the syringe needle and insert the difficulty, simultaneously when the flush fluid in the cylinder has used up the tear way and has not washed completely, need pulling out and reinserting of expander, lead to the expansion of repeated lacrimum, increase patient's misery, reduce work efficiency, and because the syringe needle links firmly with the cylinder mutually through frictional force, if too big pressure very easily leads to the syringe needle to drop in the process of washing, and then cause the problem of iatrogenic injury.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Lacrimal passage washes syringe needle for expander, including expander body (1), syringe needle body (2) and syringe (3), its characterized in that: the bottom of the injector (3) is fixedly communicated with a liquid outlet pipe (4), the surface of the liquid outlet pipe (4) is sleeved with a needle seat (5), the inner wall of the needle seat (5) is provided with a first thread groove (6), the surface of the liquid outlet pipe (4) is provided with a first thread (7), the first thread groove (6) is in threaded connection with the first thread (7), the bottom of the needle seat (5) is fixedly communicated with one end of the needle body (2), one end of the needle body (2) penetrates through the inner cavity of the expander body (1), the inner wall of the expander body (1) is provided with a second thread groove (8), the surface of the needle body (2) at one end of the inner cavity of the expander body (1) is provided with a second thread (9), the second thread groove (8) is in threaded connection with the second thread (9), one side of the expander body (1) is provided with a liquid outlet groove (10), the surface of the expander body (1) is provided with a round hole (11), and the round hole (11) is communicated with the liquid outlet groove (10).
2. The needle for a lacrimal passage irrigation dilator of claim 1, wherein: the surface fixing cover that needle body (2) kept away from needle file (5) one end is equipped with limiting plate (12), the shape of limiting plate (12) is circular, one side of limiting plate (12) and one side contact of expander body (1).
3. The needle for a lacrimal passage irrigation dilator of claim 1, wherein: scale marks (13) are printed on the surfaces of the dilator body (1) and the needle body (2), and the division value of the scale marks (13) is 1 mm.
4. The needle for a lacrimal passage irrigation dilator of claim 1, wherein: the needle body (2) is bent, and the outer diameter of the dilator body (1) is gradually increased to be unchanged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795846.XU CN212853798U (en) | 2020-05-13 | 2020-05-13 | Needle for lacrimal passage irrigation dilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020795846.XU CN212853798U (en) | 2020-05-13 | 2020-05-13 | Needle for lacrimal passage irrigation dilator |
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| Publication Number | Publication Date |
|---|---|
| CN212853798U true CN212853798U (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020795846.XU Active CN212853798U (en) | 2020-05-13 | 2020-05-13 | Needle for lacrimal passage irrigation dilator |
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|---|---|
| CN (1) | CN212853798U (en) |
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- 2020-05-13 CN CN202020795846.XU patent/CN212853798U/en active Active
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