CN212853443U

CN212853443U - Lacrimal duct broken end detector and built-in structure thereof

Info

Publication number: CN212853443U
Application number: CN202020932820.5U
Authority: CN
Inventors: 张雅冰; 闫磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2021-04-02
Anticipated expiration: 2030-05-28

Abstract

The utility model provides a lacrimal canaliculus broken end detector and a built-in structure thereof, which are used for detecting the broken end of the lacrimal canaliculus, and comprises a conduit, wherein one end of the conduit is provided with an ellipsoidal blocking head which blocks the nasolacrimal duct, the blocking head extends to one end far away from the conduit to form a traction line, the other end of the conduit is provided with a water inlet, and the side wall of the conduit is provided with at least one water outlet hole; when the catheter is placed in the lacrimal canaliculus from the nasolacrimal duct and extends out from the lacrimal punctum, the blocking head blocks the nasolacrimal duct, colored medicaments such as blue are injected into the catheter from the water inlet, the lacrimal sac is filled with the outflow from the water outlet, and the outflow overflows from the broken end of the lacrimal canaliculus, so that the broken end is clear and visible, the broken end of the lacrimal canaliculus can be quickly and accurately judged by a doctor, and a pull wire is used for pulling out the whole device, so that secondary damage to a patient cannot be caused, and the process is portable.

Description

Lacrimal duct broken end detector and built-in structure thereof

Technical Field

The utility model relates to an ophthalmology medical instrument field especially relates to a lacrimal canaliculus broken end detector and built-in structure thereof.

Background

Ocular trauma may cause damage to ocular tissue causing various symptomatic signs or disease, and ocular trauma may cause laceration of the eyelids. Tear duct rupture is a special type of eyelid laceration, lower tear duct rupture is common, and some tear ducts rupture in the upper or lower tear duct rupture for a lifetime due to poor handling, either due to sharp instrument cutting or due to blunt contusion pulling tearing. The rupture of the lacrimal canaliculus on the temporal side is easy to be found, while the rupture of the nasal side is difficult to be found, and the rupture is generally found by a direct-viewing method, an injection method, a probing method and the like; the direct vision method has high requirements on operators and can ensure success rate by accumulating experience for a long time; the nasolacrimal duct is not easy to be blocked, so the liquid injection method has a low success rate. Searching for broken nasal broken end of lacrimal canaliculus by pigtail probe method; however, in practice, the success rate of the pigtail probe in finding the canaliculus is very low.

Therefore, there is a need for a probe that can assist a physician in quickly finding the severed end of the lacrimal canaliculus.

SUMMERY OF THE UTILITY MODEL

Aiming at the existing technologies such as: in the existing tear duct broken end searching mode, an efficient and quick tear duct broken end detector is not available.

The lacrimal duct broken end detector is used for detecting the broken end of the lacrimal duct and comprises a conduit, wherein one end of the conduit is provided with an ellipsoidal blocking head, the blocking head blocks the nasolacrimal duct, the blocking head extends to one end far away from the conduit and is provided with a traction line, the other end of the conduit is provided with a water inlet, and the side wall of the conduit is provided with at least one water outlet hole.

Preferably, an annular flange is arranged on the side wall of the conduit close to the water inlet, and the annular flange is abutted with the lacrimal canaliculus to form a leakage-proof structure.

Preferably, the plugging head is in a water-drop shape, the tip of the plugging head extends into the conduit to form a closed end, the diameter of the tail of the plugging head is larger than that of the conduit, and the tail of the plugging head is abutted against the nasolacrimal duct; and the tail part of the plugging head is provided with a traction wire.

Preferably, the water outlet hole is arranged close to the plugging head.

Preferably, the catheter is made of medical silica gel.

The utility model provides a built-in structure of disconnected end detector of lacrimal canaliculus, includes the pipe, the one end of pipe is provided with ellipsoid type plugging head, plugging head plugs up nasolacrimal duct, plugging head to keeping away from the one end of pipe extends there is the pull wire, the pull wire is located the nasal cavity, the pipe other end is stretched out from the punctum outward, and is provided with the water inlet, the lateral wall of pipe is provided with at least one apopore.

Preferably, the water outlet hole is arranged close to the plugging head.

Preferably, the catheter is made of medical silica gel.

The utility model has the advantages that: the utility model provides a lacrimal canaliculus broken end detector and a built-in structure thereof, which are used for detecting the broken end of the lacrimal canaliculus, and comprises a conduit, wherein one end of the conduit is provided with an ellipsoidal blocking head which blocks the nasolacrimal duct, the blocking head extends to one end far away from the conduit to form a traction line, the other end of the conduit is provided with a water inlet, and the side wall of the conduit is provided with at least one water outlet hole; when the catheter is placed in the lacrimal canaliculus from the nasolacrimal duct and extends out from the unbroken lacrimal punctum, the blocking head blocks the nasolacrimal duct, colored medicaments such as blue and the like are injected into the nasolacrimal duct by a doctor from a water inlet, the lacrimal sac is filled by outflow from a water outlet hole, and the lacrimal canaliculus overflows from the broken end of the lacrimal canaliculus, so that the broken end is clear and visible, the doctor can quickly and accurately judge the broken end of the lacrimal canaliculus, and a pull wire is used for pulling out the whole device, so that secondary injury can not be caused to a patient, and the taking-.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the placing state of the present invention.

The main element symbols are as follows:

1. a conduit; 11. a plugging head; 12. a pull wire; 13. a water inlet; 14. a water outlet hole; 15. an annular flange; 2. a nasolacrimal duct; 3. the lacrimal canaliculus; 4. and (5) breaking the end.

Detailed Description

In order to make the present invention clearer, the present invention will be further described with reference to the accompanying drawings.

In the current search for the broken end of the lacrimal canaliculus, the method generally adopts an electron microscope to directly search for the broken end, the operation has higher requirements on operators, needs highly experienced doctors to operate, and if the injury is serious, the search for the broken end is difficult, the operation time is prolonged, the pain of patients is increased, and the failure of anastomosis can be caused because the broken end cannot be found. Therefore, for such a situation, a detector which is more convenient and faster to operate and can not cause secondary damage to a patient is needed.

Specifically, referring to fig. 1-3, the lacrimal duct broken end detector for detecting the lacrimal duct broken end includes a conduit 1, one end of the conduit 1 is provided with an ellipsoidal plug 11, the plug 11 plugs the nasolacrimal duct, the plug 11 extends to one end far away from the conduit 1 to be provided with a pull wire 12, the other end of the conduit is provided with a water inlet 13, and the side wall of the conduit 1 is provided with at least one water outlet 14; the catheter extends into the lacrimal duct, extends out from the lacrimal punctum through the upper lacrimal canaliculus, the plugging head is propped against the nasolacrimal duct to plug the lacrimal sac to form a closed structure, then the Meilan is injected from a water inlet outside the lacrimal punctum, the Meilan is guided by the catheter to flow out from a water outlet hole to fill the lacrimal sac and the upper and lower lacrimal canaliculus and overflow from the broken end of the lacrimal canaliculus, and the blue medicine can be seen by naked eyes after overflow, so that the broken end can be found; after use, the whole catheter can be pulled out of the nasal cavity by using the pull wire positioned in the nasal cavity. In a specific embodiment, the occluding head is about 7mm larger in diameter than the nasolacrimal duct opening.

In the embodiment, the side wall of the duct close to the water inlet 13 and positioned at the lacrimal sac part is provided with an annular flange 15, and the annular flange 15 is abutted with the lacrimal canaliculus to form a leakage-proof structure; in general, the catheters are inserted into the superior lacrimal canaliculus, but in some cases, the catheters are inserted into the inferior lacrimal canaliculus, and in this case, the inferior lacrimal punctum is blocked to form a closed structure, thereby preventing the blue color overflow phenomenon.

In this embodiment, the plugging head 11 is in a drop shape, the tip of the plugging head extends into the conduit to form a closed end, the diameter of the tail of the plugging head is larger than that of the conduit, and the tail of the plugging head is propped against the nasolacrimal duct; the tail part of the plugging head is provided with a traction wire, and the water dropper is in a shape of small top and large bottom, and is round and smooth in the whole body, so that sharp stimulation and damage to the nasolacrimal duct can be avoided.

In this embodiment the outlet opening 14 is arranged close to the stopper 11, if the broken end is close to the stopper, the broken end can be found soon after the outlet opening has spilled, but if the outlet opening is too close to the inlet, it takes a longer time for the outlet opening to flow to the broken end and then spill out.

In this embodiment, the catheter 1 and other structures are made of medical silica gel, and the traction wire can be made of medical cotton.

The utility model has the advantages that:

1) the broken end of the lacrimal canaliculus can be quickly searched and determined;

2) can not cause secondary damage to patients.

The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A lacrimal canaliculus broken end detector is used for detecting the broken end of the lacrimal canaliculus and is characterized by comprising a catheter, wherein one end of the catheter is provided with an ellipsoidal blocking head, the blocking head blocks a nasolacrimal duct, a traction wire extends from the blocking head to one end far away from the catheter, the other end of the catheter is provided with a water inlet, and the side wall of the catheter is provided with at least one water outlet hole.

2. The lacrimal canaliculus end-breakage detector of claim 1, wherein an annular flange is disposed on a side wall of the conduit adjacent to the water inlet, the annular flange abutting the lacrimal canaliculus to form a leak-proof structure.

3. The canalicular end breakage detector of claim 1, wherein said plug is drop-shaped, a tip of said plug extends into said conduit to form a closed end, a tail of said plug has a diameter greater than a diameter of said conduit, and said tail of said plug abuts against a nasolacrimal duct; and the tail part of the plugging head is provided with a traction wire.

4. The lacrimal canaliculus broken end detector of claim 1, wherein the water outlet hole is disposed proximate the plugging head.

5. The lacrimal canaliculus broken end detector of claim 1, wherein the catheter is made of medical silica gel.

6. The utility model provides a built-in structure of lacrimal canaliculus broken end detector, its characterized in that includes the pipe, the one end of pipe is provided with ellipsoid type plugging head, plugging head plugs up nasolacrimal duct, plugging head to keeping away from the one end of pipe extends there is the pull wire, the pull wire is located the nasal cavity, the pipe other end stretches out from the punctum outward, and is provided with the water inlet, the lateral wall of pipe is provided with at least one apopore.

7. The device as set forth in claim 6, wherein an annular flange is provided on the side wall of the duct adjacent to the inlet opening, said annular flange abutting the lacrimal canaliculus to form a leak-proof structure.

8. The built-in structure of the lacrimal canaliculus broken end detector as claimed in claim 6, wherein the plugging head is shaped like a water drop, the tip of the plugging head extends into the duct to form a closed end, the tail of the plugging head has a diameter larger than that of the duct, and the tail of the plugging head abuts against the nasolacrimal duct; and the tail part of the plugging head is provided with a traction wire.

9. The built-in structure of the lacrimal canaliculus broken end detector of claim 6, wherein the water outlet hole is disposed near the plugging head.

10. The device as claimed in claim 6, wherein the catheter is made of medical silica gel.