Lacrimal passage flushing device with drainage function

Abstract

The utility model relates to the technical field of medical instruments, in particular to a lacrimal passage flushing device with a drainage function. In the process of flushing the lacrimal passage of a patient, the flushing pipe and the drainage pipe enter the lacrimal passage of the patient at the same time. The flushing fluid is conveyed to the lacrimal passage of the patient through the flushing pipe by an external pumping device, so that the lacrimal passage of the patient is flushed by the flushing fluid. In the process of flushing the lacrimal passage of the patient, backflow flushing fluid enters the drainage tube through the drainage inlet and then flows out of the lacrimal passage of the patient from the drainage outlet through the drainage tube. The flushing fluid is drained through the drainage tube, so that the flushing fluid is prevented from flowing out of the punctum of the patient. In this way, flushing fluid is drained in the lacrimal passage flushing process, so that the flushing fluid is prevented from making contact with the eyes of a patient again, and the risks of inflammation and infection of the eyes of the patient are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical devices, in particular to a lacrimal passage flushing device with drainage function. BACKGROUND

[0002] Lacrimal passage flushing is an operation technique of unblocking the blocked lacrimal passage by injecting liquid into the lacrimal passage, which can be used for diagnosis and treatment.

[0003] During the lacrimal passage flushing process, a specially designed needle is usually inserted from the punctum, and then a syringe is used to push the flushing liquid into the lacrimal passage for flushing. The flow direction of the flushing liquid can be used to determine the obstruction of the lacrimal passage. If there is no resistance during the flushing process, it indicates that the lacrimal passage is unobstructed; if the flushing liquid completely refluxes, it indicates that the lacrimal canaliculus is blocked; if the flushing liquid is injected from the lower punctum and refluxes from the upper punctum, it indicates that the common lacrimal duct, lacrimal sac or nasolacrimal duct is blocked; if the flushing liquid partially refluxes from the punctum, it indicates that the nasolacrimal duct is narrow; if the flushing liquid refluxes from the upper punctum with a large amount of mucous and purulent secretions, it indicates that the nasolacrimal duct is blocked combined with chronic dacryocystitis.

[0004] When the flushing liquid refluxes, it usually flows directly from the punctum, thereby increasing the risk of inflammation, infection and other complications of the patient's eye.

[0005] Therefore, how to drain the flushing liquid during the lacrimal passage flushing process is a technical problem to be solved. CONTENT OF THE UTILITY MODEL

[0006] The lacrimal passage flushing device with drainage function provided by the present application aims to solve the technical problem of how to drain the flushing liquid during the lacrimal passage flushing process in the prior art.

[0007] The lacrimal passage flushing device with drainage function provided by the present application comprises:

[0008] a flushing pipe for conveying the flushing liquid, the flushing pipe being provided with a flushing outlet for the flushing liquid to flow out;

[0009] a drainage pipe attached to the flushing pipe, the drainage pipe being arranged along the conveying direction of the flushing pipe;

[0010] wherein the drainage pipe is provided with a drainage inlet and a drainage outlet;

[0011] During the lacrimal passage flushing process, the drainage inlet enters the patient's lacrimal passage, and the drainage outlet is located outside the patient's lacrimal passage.

[0012] Optionally, the number of drainage inlets is configured to be at least two, and the drainage inlets are arranged along the conveying direction of the flushing pipe.

[0013] Optionally, the drainage inlet is arranged on a side wall of the drainage tube.

[0014] Optionally, a linear distance between the drainage inlet and the flushing outlet in a conveying direction of the flushing tube is greater than or equal to 1 mm.

[0015] Optionally, the flushing outlet comprises an end flushing port and a side flushing port.

[0016] The end flushing port is located at an end of the flushing tube, and the side flushing port is located on a side wall of the flushing tube.

[0017] Optionally, the tear duct flushing device with the drainage function provided by the present application further comprises a collecting member, and an inner space of the collecting member is in communication with the drainage outlet.

[0018] Optionally, the tear duct flushing device with the drainage function provided by the present application further comprises a flexible tube, and the flexible tube is in communication with the flushing tube.

[0019] Optionally, the tear duct flushing device with the drainage function provided by the present application further comprises a telescopic tube, and the telescopic tube is used for extending an endoscope probe into a tear duct.

[0020] The present application has the following beneficial effects: in the process of flushing a tear duct of a patient, a flushing tube and a drainage tube enter the tear duct of the patient at the same time. A pumping device outside is used to convey flushing liquid to the tear duct of the patient through the flushing tube, so that the tear duct of the patient is flushed by the flushing liquid. In the process of flushing the tear duct of the patient, the refluxed flushing liquid enters the drainage tube through the drainage inlet, and then flows out of the tear duct of the patient from the drainage outlet. The flushing liquid is drained through the drainage tube, thereby reducing the outflow of the flushing liquid from the puncta of the patient. In this way, the flushing liquid is drained in the process of flushing the tear duct, thereby avoiding the flushing liquid from contacting the eyes of the patient again, and reducing the risk of inflammation and infection of the eyes of the patient. BRIEF DESCRIPTION OF DRAWINGS

[0021] Fig. 1 is a sectional view of the tear duct flushing device in the embodiment of the present application;

[0022] Fig. 2 is a three-dimensional structural schematic view of the tear duct flushing device in the embodiment of the present application;

[0023] Fig. 3 is a three-dimensional structural schematic view of the tear duct flushing device in the embodiment of the present application.

[0024] Explanation of main unit symbols:

[0025] 10, lacrimal passage flushing device; 20, flushing tube; 21, flushing outlet; 22, end flushing port; 23, side flushing port; 30, drainage tube; 31, drainage inlet; 32, drainage outlet; 40, collecting piece; 50, flexible tube; 60, endoscope tube. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail by combining with the drawings and examples. The examples of the examples are shown in the drawings, wherein the same or similar reference numerals represent the same or similar units or units with the same or similar functions throughout. The examples described below are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model. In addition, it should be understood that the specific examples described herein are only used to explain the utility model and cannot be used to limit the utility model.

[0027] In the description of the utility model, it should be understood that the terms "length", "width", "upper", "lower", "left", "right", "horizontal", "top", "bottom" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or unit referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as limiting the utility model.

[0028] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise specifically limited.

[0029] In the description of the utility model, it should be noted that unless otherwise specifically specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected or can communicate with each other; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two units inside two units. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0030] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "underneath" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0031] The following disclosure provides many different embodiments or examples for implementing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the present application. In addition, the present application can repeatedly refer to numbers and / or letters in different examples, and such repetition is for the purpose of simplification and clarity, which itself does not indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those skilled in the art can realize the application of other processes and / or the use of other materials.

[0032] Please refer to Figs. 1 to 3 In some embodiments of the present application, the present application provides a lacrimal passage flushing device 10 with drainage function, comprising: a flushing pipe 20 and a drainage pipe 30. The flushing pipe 20 is used to transport flushing liquid, and the flushing pipe 20 is provided with a flushing outlet 21 for the flushing liquid to flow out. The drainage pipe 30 is attached to the flushing pipe 20, and the drainage pipe 30 is arranged along the conveying direction of the flushing pipe 20. The drainage pipe 30 is provided with a drainage inlet 31 and a drainage outlet 32. In the process of flushing the lacrimal passage, the drainage inlet 31 enters the patient's lacrimal passage, and the drainage outlet 32 is located outside the patient's lacrimal passage.

[0033] In the process of flushing the patient's lacrimal passage, the flushing pipe 20 and the drainage pipe 30 enter the patient's lacrimal passage at the same time. The flushing liquid is conveyed to the patient's lacrimal passage through the flushing pipe 20 by an external pumping device, so as to flush the patient's lacrimal passage with the flushing liquid. In the process of flushing the patient's lacrimal passage, the refluxed flushing liquid enters the drainage pipe 30 through the drainage inlet 31, and then flows out of the patient's lacrimal passage through the drainage outlet 32.

[0034] The flushing liquid is drained through the drainage pipe 30, thereby reducing the outflow of the flushing liquid from the patient's lacrimal point. In this way, the flushing liquid is drained during the lacrimal passage flushing process, thereby avoiding the flushing liquid from contacting the patient's eye again, and reducing the risk of inflammation and infection of the patient's eye.

[0035] In some embodiments of the present application, the number of the drainage inlets 31 is configured to be at least two, and the drainage inlets 31 are arranged along the conveying direction of the flushing tube 20.

[0036] Since the flushing tube 20 and the drainage tube 30 stretch into the patient's tear duct after the flushing tube 20 and the drainage tube 30 stretch into the patient's tear duct, the flushing tube 20 and the drainage tube 30 will open the patient's tear duct, so that the flushing liquid will flow back along the flushing tube 20 and the drainage tube 30 during the backflow of the flushing liquid. By arranging multiple drainage inlets 31 and arranging the drainage inlets 31 along the conveying direction of the flushing tube 20, the amount of backflow flushing liquid entering the drainage tube 30 is increased, thereby improving the drainage effect and reducing the risk of infection caused by backflow flushing liquid to the patient.

[0037] It can be understood that during the backflow of the flushing liquid, part of the flushing liquid will first enter the drainage inlet 31 closest to the flushing outlet 21, and part of the backflow flushing liquid will not have time to enter the drainage inlet 31 closest to the flushing outlet 21, but will continue to flow back along the drainage tube 30. By arranging multiple drainage inlets 31 along the conveying direction of the flushing tube 20, the flushing liquid will enter the drainage tube 30 from different positions of the drainage inlets 31 in turn during the backflow along the drainage tube 30 and the flushing tube 20, thereby increasing the amount of backflow flushing liquid entering the drainage tube 30, thereby improving the drainage effect and reducing the risk of infection caused by backflow flushing liquid to the patient.

[0038] In some embodiments of the present application, among the drainage inlets 31 arranged along the conveying direction of the flushing tube 20, the size of each drainage inlet 31 gradually decreases as the distance from the flushing outlet 21 increases.

[0039] By making the size of the drainage inlet 31 closest to the flushing outlet 21 the largest, the amount of backflow flushing liquid first entering the drainage tube 30 is increased, thereby ensuring the drainage effect of the drainage tube 30. By gradually reducing the size of the drainage inlet 31 as the distance from the flushing outlet 21 increases, the backflow flushing liquid in the drainage tube 30 is prevented from overflowing through the drainage inlet 31, thereby further improving the drainage effect of the drainage tube 30. Since the amount of flushing liquid first entering the drainage tube 30 is large, the amount of flushing liquid not entering the drainage tube 30 is small, so that reducing the size of the subsequent drainage inlet 31 still meets the demand of flushing liquid entering the drainage tube 30, so that the backflow flushing liquid can effectively enter the drainage tube 30, thereby ensuring the drainage effect of the drainage tube 30.

[0040] In some embodiments of the present application, the drainage inlets 31 are arranged on the side wall of the drainage tube 30.

[0041] By arranging the drainage inlets 31 on the side wall of the drainage tube 30, the backflow flushing liquid will enter the drainage tube 30 through the drainage inlets 31 during the backflow along the outer wall of the drainage tube 30, thereby improving the drainage effect of the drainage tube 30.

[0042] In some embodiments of the present application, the linear distance between the drainage inlet 31 and the flushing outlet 21 in the conveying direction of the flushing tube 20 is greater than or equal to 1 mm.

[0043] By limiting the distance between the drainage inlet 31 and the flushing outlet 21, it is ensured that the flushing liquid only enters the drainage tube 30 during reflux, thereby reducing the loss of flushing liquid that performs the flushing function and ensuring the flushing effect.

[0044] In some embodiments of the present application, the flushing outlet 21 includes an end flushing port 22 and a side flushing port 23. The end flushing port 22 is located at the end of the flushing tube 20, and the side flushing port 23 is located on the side wall of the flushing tube 20.

[0045] During the flushing of the patient's tear duct, the flushing liquid is ejected from the end flushing port 22, thereby flushing the foreign matter in the tear duct. During the ejection of the flushing liquid from the end flushing port 22, part of the flushing liquid is squeezed out from the side flushing port 23, thereby expanding the flushing range and forming a flushing liquid barrier from the side flushing port 23, which avoids the reflux of the flushed foreign matter to the patient's eye due to the change of the liquid pressure in the tear duct. Due to the effect of the flushing liquid barrier formed by the flushing liquid squeezed out from the side flushing port 23, the foreign matter flushed out from the tear duct is squeezed into the drainage tube 30 with lower pressure from the drainage inlet 31 due to the increased liquid pressure, so that the foreign matter is guided out from the drainage tube 30, improving the flushing effect and reducing the risk of infection of the patient's eye.

[0046] In some embodiments of the present application, the tear duct flushing device 10 with drainage function provided by the present application further includes a collection member 40, and the internal space of the collection member 40 is in communication with the drainage outlet 32.

[0047] The collection member 40 collects the substances discharged from the drainage tube 30, which on the one hand avoids the pollution of the environment by the substances discharged from the drainage tube 30, and on the other hand facilitates the observation of the discharged substances, thereby providing a basis for the analysis of the disease.

[0048] In some embodiments of the present application, the tear duct flushing device 10 with drainage function provided by the present application further includes a flexible tube 50, and the flexible tube 50 is in communication with the flushing tube 20.

[0049] The flexible tube 50 provides buffering, so that even if the patient has slight movement, the flushing tube 20 will not cause damage to the patient, thereby improving the safety of the flushing process. During the flushing process, even if the movement of the medical staff deviates slightly, the buffering effect of the flexible tube 50 can prevent damage to the patient, thereby reducing the operation difficulty.

[0050] In some embodiments of the present application, the lacrimal passage flushing device 10 with the drainage function provided by the present application further comprises an endoscope tube 60, which is used to extend the endoscope head into the lacrimal passage.

[0051] By arranging the endoscope tube 60, the endoscope head is extended into the lacrimal passage of the patient through the endoscope tube 60 during the flushing of the lacrimal passage of the patient, so as to observe the pathological condition and the flushing effect in the lacrimal passage of the patient, thereby improving the flushing effect of the lacrimal passage and providing more basis for the subsequent treatment.

[0052] In the description of the present specification, the description of the terms "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiments or examples are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0053] In addition, the above only describes the preferred embodiments of the present application and does not limit the present application. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A lacrimal duct irrigation device with drainage function, characterized in that, include: A flushing pipe for conveying flushing fluid, the flushing pipe being provided with a flushing outlet for the flushing fluid to flow out; A drainage tube, which is attached to the flushing tube and is arranged along the conveying direction of the flushing tube; The drainage tube is provided with a drainage inlet and a drainage outlet; During the lacrimal duct irrigation process, the drainage inlet enters the patient's lacrimal duct, and the drainage outlet is located outside the patient's lacrimal duct; The number of drainage inlets is configured to be at least two, and the drainage inlets are arranged along the conveying direction of the flushing pipe; The flushing outlet includes an end flushing port and a side flushing port. The end flushing port is located at the end of the flushing tube, and the side flushing port is located on the side wall of the flushing tube.

2. The lacrimal duct irrigation device with drainage function according to claim 1, characterized in that, The drainage inlet is located on the side wall of the drainage tube.

3. The lacrimal duct irrigation device with drainage function according to claim 2, characterized in that, The linear distance between the drainage inlet and the flushing outlet in the flushing pipe delivery direction is greater than or equal to 1 mm.

4. The lacrimal duct irrigation device with drainage function according to claim 1, characterized in that, It also includes a collection component, the internal space of which is connected to the drainage outlet.

5. The lacrimal duct irrigation device with drainage function according to claim 1, characterized in that, It also includes a flexible tube, which is connected to the flushing tube.

6. The lacrimal duct irrigation device with drainage function according to claim 1, characterized in that, It also includes an endoscope for inserting an endoscope probe into the lacrimal duct.

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