An assisted clearing device for salivary gland ducts

By designing an auxiliary patency device for salivary gland ducts, which utilizes sponge ball occlusion and a flow guide plate to control the flow of saline, the problem of inadequate sealing of existing devices under pathological conditions is solved, achieving efficient cleaning and low recurrence rates.

CN122057116BActive Publication Date: 2026-06-26SICHUAN UNIV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN UNIV
Filing Date
2026-04-22
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing salivary gland duct irrigation devices cannot dynamically adjust the sealing interface under pathological conditions, resulting in overflow of irrigation fluid and a decreased rate of clogging and unblocking.

Method used

An auxiliary unblocking device was designed, comprising a fixing mechanism, a conveying mechanism, a thrusting mechanism, and a drainage mechanism. It utilizes a sponge ball to block the salivary gland duct and controls the flow direction of physiological saline through a guide plate to form turbulent and annular flow to improve cleaning efficiency.

Benefits of technology

It improves the cleaning speed and impurity dispersing efficiency of salivary gland ducts, reduces the probability of postoperative blockage recurrence, and prevents mucosal damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application relates to the field of auxiliary unblocking technology of salivary gland ducts, and discloses an auxiliary unblocking device for salivary gland ducts, which comprises a conveying mechanism fixedly connected to the outer wall of a main body and used for conveying or extracting physiological saline, a pushing mechanism slidingly connected to the inner wall of the main body and used for plugging the salivary gland duct, and a drainage mechanism fixedly connected to the inner wall of the conveying mechanism and used for controlling the flow direction of the physiological saline. When the taper pipe passes through impurities, the impurities are arranged between the taper pipe and the main body, the operator pushes the push rod, the sponge ball reaches the inside of the salivary gland duct, the sponge ball is blocked by the elasticity of the sponge ball and the spring sheet, the physiological saline is arranged between the sponge ball and the end of the main body, the inside of the duct is rapidly accumulated with enough pressure, effective turbulent flow is formed, the impurity dispersion efficiency is improved, and the cleaning speed is accelerated.
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Description

Technical Field

[0001] This invention relates to the field of auxiliary patency devices for salivary gland ducts, specifically an auxiliary patency device for salivary gland ducts. Background Technology

[0002] Salivary gland diseases are common diseases of the oral and maxillofacial region. They are caused by lesions in the salivary gland ducts, resulting in various salivary gland diseases. Symptoms include pain, swelling, dry mouth, and abnormal saliva secretion.

[0003] When flushing the salivary glands, the flushing is done in one direction only. Since the sealing head is mostly a rigid structure with a fixed diameter, the salivary gland duct will undergo pseudo-dilation and increase in diameter in a pathological state. Therefore, the rigid sealing head cannot be dynamically adjusted with the diameter, causing gaps to appear at the sealing interface as the diameter changes. This results in the flushing fluid overflowing directly from the gaps during flushing, which greatly reduces the rate of unblocking. Summary of the Invention

[0004] To solve the above-mentioned technical problems, the present invention provides an auxiliary unblocking device for salivary gland ducts, including a fixing mechanism, the fixing mechanism further including a main body;

[0005] The delivery mechanism is fixedly connected to the outer wall of the main body and is used to deliver or extract saline solution.

[0006] The thrust mechanism is slidably connected to the inner wall of the main body and is used to block the salivary gland duct.

[0007] The drainage mechanism is fixedly connected to the inner wall of the delivery mechanism and is used to control the flow direction of physiological saline.

[0008] Preferably, the conveying mechanism includes:

[0009] The conveying assembly is fixedly connected to the outer wall of the main body;

[0010] Positioning components are located on the inner wall of the main body;

[0011] The external water pump delivers saline solution into the positioning component and into the salivary gland duct.

[0012] Preferably, the thrust mechanism includes:

[0013] The thrust assembly is slidably connected to the inner wall of the main body;

[0014] The contact component is fixedly connected to the outer wall of the thrust assembly.

[0015] The operator inserts the thrusting component into the salivary gland by pressing, directly blocking the salivary gland duct.

[0016] Preferably, the traffic diversion mechanism includes:

[0017] Telescopic assembly, the telescopic assembly is opened in the inner wall of the push rod;

[0018] A flow guiding component is fixedly connected to the inner wall of the main body.

[0019] In this process, the saline solution flows out from the positioning component and changes its flow direction through the diversion component.

[0020] Preferably, the conveying assembly includes a water inlet pipe fixedly connected to the outer wall of the main body, and a water pumping pipe fixedly connected to the outer wall of the main body;

[0021] The inlet pipe is equipped with a water delivery device, and the outlet pipe is equipped with a water pumping device. When the operation begins, the operator introduces saline solution into the inlet pipe and then it flows out from the inlet pipe.

[0022] Preferably, the positioning component includes a water inlet cavity formed in the inner wall of the main body, and a water pumping cavity formed in the inner wall of the main body;

[0023] In this process, saline solution enters the inlet chamber through the inlet pipe and then flows out of the inlet chamber into the salivary gland duct.

[0024] Preferably, the thrust assembly includes a push rod slidably connected to the inner wall of the main body, and a positioning rod fixedly connected to the outer wall of the push rod;

[0025] The operator pushes a lever to activate a contact component, causing the component to block the inner wall of the salivary gland duct.

[0026] Preferably, the contact component includes a sponge ball fixedly connected to the outer wall of the positioning rod, a connecting block fixedly connected to the outer wall of the sponge ball, the outer wall of the connecting block being fixedly connected to the outer wall of the positioning rod, and a tapered tube fixedly connected to the outer wall of the main body.

[0027] The sponge ball is made of medical-grade hydrophilic polyurethane sponge. The sponge ball is initially in a contracted state, and the channel of the conical tube is conical.

[0028] Preferably, the telescopic component includes several reserved slots opened on the outer wall of the positioning rod, and several spring pieces are fixedly connected to the outer wall of the reserved slots;

[0029] The spring is initially in a compressed state, and the number of springs is the same as the number of reserved slots.

[0030] Preferably, the flow guiding component includes a flow guiding plate one fixedly connected to the inner wall of the main body, and a flow guiding plate two fixedly connected to the outer wall of the flow guiding plate one, wherein the outer wall of the flow guiding plate two is fixedly connected to the inner wall of the main body.

[0031] Both the first and second guide vanes are tilted, with the first guide vane tilted towards the cone tube and the second guide vane tilted away from the cone tube.

[0032] The present invention has the following beneficial effects:

[0033] (1) By setting a push rod, when the conical tube passes over the impurities, the impurities are placed between the conical tube and the main body. The operator then pushes the push rod to make the sponge ball reach the inside of the salivary gland duct. The sponge ball will block the salivary gland duct through its own elasticity and the elasticity of the spring. In this way, the saline is placed between the sponge ball and the end of the main body, so that sufficient pressure is quickly accumulated inside the duct and effective turbulence is formed, which improves the efficiency of impurity dispersal and speeds up the cleaning speed.

[0034] (2) During the retraction of the main body, the sponge ball will come into contact with the catheter wall through friction. Because the porous mesh structure of the sponge ball has a certain adsorption capacity, the sponge ball can adsorb the small mucus plug debris when it is retracted. In this way, the sponge ball can perform secondary cleaning of impurities that cannot be rinsed off by saline, thereby reducing the chance of postoperative blockage recurrence.

[0035] (3) By setting a guide plate one, when half of the liquid flowing out of the water inlet cavity comes into contact with the guide plate one, it will be guided by the guide plate one and the liquid will rush towards the sponge ball. When the liquid comes into contact with the sponge ball, it will generate an internal supporting force on the sponge ball. At this time, the other half of the liquid flowing out of the water inlet cavity will be guided by the guide plate two and the liquid will flow towards the salivary gland duct wall. In this way, during flushing, the intracavitary pressure formed by the liquid rushing towards the duct wall is balanced with the internal supporting force formed by the liquid rushing towards the sponge ball, preventing the sponge ball from shifting during flushing and ensuring the sealing of the sponge ball.

[0036] (4) By setting up the second guide plate, half of the liquid flowing out of the water inlet cavity is guided by the second guide plate, so that the liquid flowing out of the second guide plate flows to the wall of the salivary gland duct. The liquid flowing to the duct wall will form a ring flow, and the impact force will be evenly distributed throughout the duct wall. The liquid flowing out of the first guide plate will be guided by the first guide plate, so that the liquid flows to the sponge ball, preventing high pressure flushing from causing the mucosa to become congested or eroded. Through the guidance of the first guide plate and the second guide plate, the two turbulent flows of different directions and intensities collide with each other, forming more small-scale vortices, increasing the overall disturbance of the fluid inside the duct, and enhancing the cleaning effect of the liquid on the duct wall. Attached Figure Description

[0037] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0039] Figure 2 This is a cross-sectional view of the overall structure of the present invention;

[0040] Figure 3 For the present invention Figure 2 Enlarged view of point A in the middle;

[0041] Figure 4 This is a schematic diagram of the push rod position in this invention;

[0042] Figure 5 For the present invention Figure 4 Enlarged view of point B in the middle;

[0043] Figure 6 This is a schematic diagram of the overall structure of the tapered tube of the present invention;

[0044] Figure 7 For the present invention Figure 6 Enlarged view of point C in the middle;

[0045] Figure 8 This is a schematic diagram of the overall structure of the thrust assembly of the present invention;

[0046] Figure 9 For the present invention Figure 8 Enlarged schematic diagram in D.

[0047] The attached diagram lists the components represented by each number as follows:

[0048] In the diagram: 1. Fixing mechanism; 12. Main body; 2. Conveying mechanism; 21. Conveying assembly; 211. Inlet pipe; 212. Pumping pipe; 22. Positioning assembly; 221. Inlet chamber; 222. Pumping chamber; 3. Thrust mechanism; 31. Thrust assembly; 311. Push rod; 312. Positioning rod; 32. Contact assembly; 321. Sponge ball; 322. Connecting block; 323. Conical tube; 4. Drainage mechanism; 41. Telescopic assembly; 411. Reserved groove; 412. Spring piece; 42. Flow guiding assembly; 421. Flow guiding plate one; 422. Flow guiding plate two. Detailed Implementation

[0049] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0050] Example 1, please refer to Figures 1-6 The present invention is an auxiliary unblocking device for salivary gland ducts, including a fixing mechanism 1, and the fixing mechanism 1 further includes a main body 12;

[0051] The delivery mechanism 2 is fixedly connected to the outer wall of the main body 12 and is used to deliver or extract physiological saline.

[0052] The thrust mechanism 3 is slidably connected to the inner wall of the main body 12 and is used to block the salivary gland duct.

[0053] Drainage mechanism 4 is fixedly connected to the inner wall of delivery mechanism 2 and is used to control the flow direction of physiological saline.

[0054] Conveying mechanism 2 includes:

[0055] Conveying assembly 21 is fixedly connected to the outer wall of the main body 12;

[0056] Positioning component 22 is provided on the inner wall of the main body 12;

[0057] The external water pump delivers saline solution into the positioning component 22 and into the salivary gland duct.

[0058] Example 2, please refer to Figures 2-9 This invention is an auxiliary unblocking device for salivary gland ducts. Based on Example 1, the thrust mechanism 3 includes:

[0059] Thrust assembly 31 is slidably connected to the inner wall of the main body 12;

[0060] Contact component 32 is fixedly connected to the outer wall of thrust component 31;

[0061] The operator inserts the thrust assembly 31 into the salivary gland by pressing, directly blocking the salivary gland duct.

[0062] Traffic generation agency 4 includes:

[0063] Telescopic component 41 is provided on the inner wall of push rod 311;

[0064] The flow guiding component 42 is fixedly connected to the inner wall of the main body 12;

[0065] In this process, the saline solution flows out from the positioning component 22 and changes its flow direction through the flow guiding component 42.

[0066] The conveying assembly 21 includes a water inlet pipe 211 fixedly connected to the outer wall of the main body 12, and a water pumping pipe 212 fixedly connected to the outer wall of the main body 12.

[0067] The inlet pipe 211 is equipped with a water delivery device, and the outlet pipe 212 is equipped with a water pumping device. When the operation begins, the operator introduces saline solution into the inlet pipe 211 and then it flows out from the inlet pipe 211.

[0068] The positioning component 22 includes a water inlet cavity 221 opened in the inner wall of the main body 12, and a water pumping cavity 222 opened in the inner wall of the main body 12;

[0069] The saline solution enters the inlet chamber 221 from the inlet pipe 211 and then flows out of the inlet chamber 221 into the salivary gland duct.

[0070] The thrust assembly 31 includes a push rod 311 that is slidably connected to the inner wall of the main body 12, and a positioning rod 312 that is fixedly connected to the outer wall of the push rod 311.

[0071] In this process, the operator pushes the push rod 311 to drive the contact component 32, causing the contact component 32 to block the inner wall of the salivary gland duct.

[0072] Contact component 32 includes a sponge ball 321 fixedly connected to the outer wall of positioning rod 312, a connecting block 322 fixedly connected to the outer wall of sponge ball 321, the outer wall of connecting block 322 being fixedly connected to the outer wall of positioning rod 312, and a tapered tube 323 fixedly connected to the outer wall of main body 12.

[0073] By setting the push rod 311, when the cone tube 323 passes over the impurities, the impurities are placed between the cone tube 323 and the main body 12. The operator then pushes the push rod 311 to make the sponge ball 321 reach the inside of the salivary gland duct. The sponge ball 321 will block the salivary gland duct through its own elasticity and that of the spring 412. In this way, the saline solution is placed between the sponge ball 321 and the end of the main body 12, so that sufficient pressure is quickly accumulated inside the duct and effective turbulence is formed, which improves the efficiency of impurity dispersal and speeds up the cleaning process.

[0074] The telescopic assembly 41 includes several reserved slots 411 opened on the outer wall of the positioning rod 312, and several spring pieces 412 are fixedly connected to the outer wall of the reserved slots 411.

[0075] Among them, the spring piece 412 is initially in a compressed state, and the number of spring pieces 412 is the same as the number of reserved slots 411.

[0076] The flow guiding assembly 42 includes a flow guiding plate 421 fixedly connected to the inner wall of the main body 12, and a flow guiding plate 422 fixedly connected to the outer wall of the flow guiding plate 421. The outer wall of the flow guiding plate 422 is fixedly connected to the inner wall of the main body 12.

[0077] By setting up the second guide plate 422, half of the liquid flowing out of the inlet chamber 221 is guided by the second guide plate 422, causing the liquid flowing out of the second guide plate 422 to flow towards the salivary gland duct wall. The liquid flowing towards the duct wall will form a ring flow, and the impact force will be evenly distributed throughout the duct wall. Meanwhile, the liquid flowing out of the first guide plate 421 will be guided by the first guide plate 421, causing the liquid to flow towards the sponge ball 321, preventing high-pressure flushing from causing congestion or erosion of the mucosa. Through the guidance of the first guide plate 421 and the second guide plate 422, the two turbulent flows of different directions and intensities collide with each other, forming more small-scale vortices, increasing the overall disturbance of the fluid inside the duct, and enhancing the cleaning effect of the liquid on the duct wall.

[0078] A specific application of this embodiment is as follows: At the start of work, the worker first connects the inlet pipe 211 to the water supply device, then connects the suction pipe 212 to the suction device, then aligns the main body 12 with the entrance of the salivary gland duct and pushes it into the duct. When the main body 12 reaches the area requiring cleaning, it is pushed further to position the impurities between the end of the conical tube 323 and the end of the main body 12. The worker then pushes the push rod 311, moving it away from the handheld end of the main body 12. When the push rod 311 is pushed out of the end of the conical tube 323, the sponge ball 321 is inside the salivary gland duct because... The sponge ball 321 is no longer restricted, which causes the shrapnel 412 to release elastic potential energy, and the sponge ball 321 will also begin to expand, blocking the salivary gland duct. At this time, the water delivery device is activated, and physiological saline flows out through the inlet pipe 211 and the inlet chamber 221 from the first guide plate 421 and the second guide plate 422, so that the physiological saline flows between the sponge ball 321 and the main body 12. At the same time, the water pumping device is activated, so that the physiological saline between the sponge ball 321 and the main body 12 flows out along the water pumping chamber 222 and the water pumping pipe 212 to the water pumping device. At this time, the operator can judge whether the salivary gland duct has been cleaned by observing whether the outflowing water is pure.

[0079] By setting the push rod 311, when the cone tube 323 passes over the impurities, the impurities are placed between the cone tube 323 and the main body 12. The operator then pushes the push rod 311 to make the sponge ball 321 reach the inside of the salivary gland duct. The sponge ball 321 will block the salivary gland duct through its own elasticity and that of the spring 412. In this way, the saline solution is placed between the sponge ball 321 and the end of the main body 12, so that sufficient pressure is quickly accumulated inside the duct and effective turbulence is formed, which improves the efficiency of impurity dispersal and speeds up the cleaning process.

[0080] During the retraction of the main body 12, the sponge ball 321 will come into frictional contact with the catheter wall. Because the porous mesh structure of the sponge ball 321 has a certain adsorption capacity, the sponge ball 321 can adsorb the small mucus plug debris when it is retracted. In this way, the sponge ball 321 can perform secondary cleaning of impurities that cannot be rinsed away by saline, reducing the probability of postoperative blockage recurrence.

[0081] By setting up a guide plate 421, when half of the liquid flowing out of the inlet chamber 221 comes into contact with the guide plate 421, it will be guided by the guide plate 421 and cause the liquid to rush towards the sponge ball 321. When the liquid comes into contact with the sponge ball 321, it will generate an internal supporting force on the sponge ball 321. At the same time, the other half of the liquid flowing out of the inlet chamber 221 will be guided by the guide plate 422 and cause the liquid to flow towards the salivary gland duct wall. In this way, during flushing, the intracavitary pressure formed by the liquid rushing towards the duct wall is balanced with the internal supporting force formed by the liquid rushing towards the sponge ball 321, preventing the sponge ball 321 from shifting during flushing and ensuring the sealing of the sponge ball 321.

[0082] By setting up the second guide plate 422, half of the liquid flowing out of the inlet chamber 221 is guided by the second guide plate 422, causing the liquid flowing out of the second guide plate 422 to flow towards the salivary gland duct wall. The liquid flowing towards the duct wall will form a ring flow, and the impact force will be evenly distributed throughout the duct wall. Meanwhile, the liquid flowing out of the first guide plate 421 will be guided by the first guide plate 421, causing the liquid to flow towards the sponge ball 321, preventing high-pressure flushing from causing congestion or erosion of the mucosa. Through the guidance of the first guide plate 421 and the second guide plate 422, the two turbulent flows of different directions and intensities collide with each other, forming more small-scale vortices, increasing the overall disturbance of the fluid inside the duct, and enhancing the cleaning effect of the liquid on the duct wall.

[0083] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. An auxiliary device for clearing salivary gland ducts, comprising a fixing mechanism (1), wherein the fixing mechanism (1) further comprises a main body (12), characterized in that, Also includes: The conveying mechanism (2) is fixedly connected to the outer wall of the main body (12) and is used to convey or extract saline solution. The thrust mechanism (3) is slidably connected to the inner wall of the main body (12) and is used to block the salivary gland duct. Drainage mechanism (4), which is fixedly connected to the inner wall of delivery mechanism (2) and is used to control the flow direction of physiological saline; The thrust mechanism (3) includes: A thrust assembly (31) is slidably connected to the inner wall of the main body (12); Contact assembly (32), which is fixedly connected to the outer wall of thrust assembly (31); In this process, the operator presses the thrust assembly (31) into the salivary gland and directly blocks the salivary gland duct. The thrust assembly (31) includes a push rod (311) slidably connected to the inner wall of the main body (12), and a positioning rod (312) is fixedly connected to the outer wall of the push rod (311). In this process, the operator pushes the push rod (311) to drive the contact component (32), causing the contact component (32) to block the inner wall of the salivary gland duct; The contact assembly (32) includes a sponge ball (321) fixedly connected to the outer wall of the positioning rod (312), a connecting block (322) fixedly connected to the outer wall of the sponge ball (321), the outer wall of the connecting block (322) being fixedly connected to the outer wall of the positioning rod (312), and a tapered tube (323) fixedly connected to the outer wall of the main body (12). Among them, the sponge ball (321) is made of medical hydrophilic polyurethane sponge. The sponge ball (321) is in a contracted state in the initial state, and the channel of the conical tube (323) is conical.

2. The auxiliary unblocking device for salivary gland ducts according to claim 1, characterized in that: The conveying mechanism (2) includes: A conveying assembly (21) is fixedly connected to the outer wall of the main body (12); Positioning component (22), which is located on the inner wall of the main body (12); The external water pump delivers saline solution into the positioning component (22) and into the salivary gland duct.

3. The auxiliary unblocking device for salivary gland ducts according to claim 2, characterized in that: The drainage mechanism (4) includes: Telescopic assembly (41), which is located on the inner wall of push rod (311); A flow guiding component (42) is fixedly connected to the inner wall of the main body (12); In this process, the saline solution flows out from the positioning component (22) and changes its flow direction through the diversion component (42).

4. The auxiliary patency device for salivary gland ducts according to claim 3, characterized in that: The conveying assembly (21) includes a water inlet pipe (211) fixedly connected to the outer wall of the main body (12), and a water pumping pipe (212) fixedly connected to the outer wall of the main body (12). The inlet pipe (211) is equipped with a water conveying device, and the pumping pipe (212) is equipped with a pumping device. When the work starts, the operator introduces saline solution into the inlet pipe (211), and after the basic dredging is completed, it flows out from the inlet pipe (211).

5. The auxiliary patency device for salivary gland ducts according to claim 4, characterized in that: The positioning component (22) includes a water inlet cavity (221) opened on the inner wall of the main body (12), and a water pumping cavity (222) is opened on the inner wall of the main body (12). Among them, physiological saline enters from the inlet pipe (211) and flows into the inlet cavity (221), and then flows out from the inlet cavity (221) into the salivary gland duct.

6. The auxiliary patency device for salivary gland ducts according to claim 5, characterized in that: The telescopic assembly (41) includes several reserved slots (411) opened on the outer wall of the positioning rod (312), and several spring pieces (412) are fixedly connected to the outer wall of the reserved slots (411). Among them, the spring piece (412) is initially in a compressed state, and the number of spring pieces (412) is the same as the number of reserved slots (411).

7. The auxiliary patency device for salivary gland ducts according to claim 6, characterized in that: The flow guiding component (42) includes a flow guiding plate one (421) fixedly connected to the inner wall of the main body (12), and a flow guiding plate two (422) fixedly connected to the outer wall of the flow guiding plate one (421). The outer wall of the flow guiding plate two (422) is fixedly connected to the inner wall of the main body (12). Among them, both the first guide plate (421) and the second guide plate (422) are in an inclined state. The first guide plate (421) is inclined towards the cone tube (323), while the second guide plate (422) is inclined away from the cone tube (323).

Citation Information

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