Three-way connector for flushing cystolith
By introducing a transparent collection cartridge and a filter net into the tee connector for bladder stone flushing, the problem of difficult to observe the discharge of stones in the prior art is solved, and a clear judgment and observation of the discharge of bladder stones is achieved.
Patent Information
- Application Number
- CN202420559005.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-21
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-03-21
AI Technical Summary
It is difficult to observe and determine whether the stone has been washed out and is directly discharged into the drainage bag.
A tee connector for bladder stone rinsing is designed, including a transparent collection cylinder and a filter net. The filter net retains the washed stones, which is convenient for observing and judging the discharge of bladder stones.
The bladder stones are intercepted through a filter, and the transparent collection cylinder is easy to observe the discharge of the stones, improving the visibility and accuracy of the flushing process.
Smart Images
Figure CN222304599U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of medical equipment, in particular to a three-way connector for flushing bladder stones. Background Art
[0002] Bladder stones are mostly formed by the coagulation of oxalic acid, calcium, uric acid, etc. in urine. When the bladder stones are small, or after being broken up by extracorporeal lithotripsy, bladder irrigation can be used to promote the discharge of stones. Bladder irrigation using a double-lumen catheter and a bladder irrigator is a commonly used method for bladder stone irrigation.
[0003] When flushing bladder stones, a double-lumen urinary catheter is placed in the patient's body, and the interface of the double-lumen urinary catheter, the interface of the bladder flusher infusion tube, and the interface of the drainage tube connected to the drainage bag are respectively connected to the three interfaces of the three-way connector. The operation method is: clamp the drainage tube, use the bladder flusher to inject flushing fluid into the bladder through the double-lumen urinary catheter, clamp the infusion tube of the bladder flusher, open the clamp on the drainage tube, and the flushing fluid in the bladder enters the drainage tube through the double-lumen urinary catheter and then is discharged into the drainage bag. The above-mentioned injection and discharge operation steps can be repeated to allow the flushing fluid to carry out the bladder stones.
[0004] When flushing bladder stones in the prior art, the stones flushed out of the bladder are directly discharged into the drainage bag, making it difficult to observe whether there are stones in the drainage bag or to determine whether the bladder stones have been flushed out. Utility Model Content
[0005] The utility model aims to provide a three-way connector for flushing bladder stones. The three-way connector is provided with a filter screen, which can intercept stones flushed out of the bladder, so as to facilitate observation and judgment of the discharge of bladder stones.
[0006] The utility model is realized by the following technical solutions:
[0007] A three-way connector for flushing bladder stones, comprising a three-way body and a collecting tube; one end of the collecting tube is connected to one of the interfaces of the three-way body, the interior of the collecting tube is communicated with the interior of the three-way body, and the other end of the collecting tube is a drainage tube interface for connecting a drainage tube; a filter net for filtering stones is installed inside the collecting tube, and the filter net divides the interior of the collecting tube into two chambers, and the collecting tube is made of transparent plastic;
[0008] When the three-way connector is in use, one interface thereof is connected to the infusion tube of the bladder irrigator, and the other interface thereof is connected to the interface of the double-lumen drainage tube retained on the patient, and the drainage tube interface on the collecting tube is connected to the interface of the drainage tube connected to the drainage bag. When the irrigating fluid in the patient's bladder flows into the three-way body through the double-lumen drainage tube, the bladder stones carried by the irrigating fluid are retained by the filter net, and the irrigating fluid flows into the drainage bag through the drainage tube. The filter net can filter out the bladder stones, so that the bladder stones are retained in the collecting tube. The bladder stones retained in the collecting tube can be easily observed through the transparent collecting tube, which is helpful for observing and judging the discharge of the bladder stones.
[0009] Furthermore, the filter screen is a cylindrical structure with one end closed, the cylindrical filter screen is coaxial with the collecting tube, the interior of the drainage tube interface is connected to the interior of the filter screen, and the annulus between the filter screen and the drainage tube interface is connected to the interior of the tee body; after the flushing fluid flowing out of the bladder enters the interior of the tee body, it flows into the annulus between the filter screen and the drainage tube interface through the interface of the tee body, and after being filtered by the filter screen, the flushing fluid flows from the interior of the filter screen into the drainage tube interface, and then flows into the drainage tube through the drainage tube interface. The bladder stones filtered out by the filter screen can be retained in the annulus between the filter screen and the collecting tube, which can facilitate the observation of bladder stones.
[0010] Furthermore, the closed end of the filter is an arc top structure, the center of the arc top is located inside the filter, and the flushing liquid flowing into the collecting tube from the three-way body interface can be diverted through the arc top to prevent bladder stones from being retained at the closed end of the filter.
[0011] Furthermore, the filter screen includes but is not limited to a textile fiber filter screen and a hardware filter screen.
[0012] Furthermore, a threaded joint for threaded connection with the end of the collecting tube is fixedly installed at one of the interfaces of the three-way body, so that the collecting tube and the three-way body are detachably connected. After being disassembled, it is convenient to take bladder stone samples from the collecting tube.
[0013] Furthermore, the filter screen is detachably connected to the collecting barrel, which can facilitate production and assembly installation.
[0014] Compared with the prior art, the utility model has the following beneficial effects:
[0015] When flushing bladder stones, the three-way connector can be transitionally connected between the bladder flusher, the double-lumen urinary catheter and the drainage bag. One interface of the three-way body is connected to the infusion tube of the bladder flusher, and the other interface is connected to the interface of the double-lumen drainage tube indwelling on the patient. The drainage tube interface on the collecting tube is connected to the interface of the drainage tube connected to the drainage bag. The bladder flusher is used to inject flushing liquid into the patient's bladder. When the flushing liquid in the patient's bladder is discharged, the flushing liquid discharged in the bladder is discharged through the double-lumen urinary catheter, and then flows through the three-way body, the collecting tube, and the drainage tube and is discharged into the drainage bag. The filter net in the collecting tube can filter out bladder stones, so that the bladder stones are trapped in the collecting tube. The bladder stones trapped in the collecting tube can be easily observed through the transparent collecting tube, which is helpful for observing and judging the discharge of bladder stones. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the structure of Example 1 of the utility model.
[0017] Figure 2 This is a schematic diagram of the structure of Example 2 of the utility model.
[0018] Figure 3 It is a structural schematic diagram of the filter screen in the utility model.
[0019] Figure 4 This is a schematic diagram of the structure of Example 3 of the utility model.
[0020] Figure 5 for Figure 4 Schematic diagram of the split structure.
[0021] The names of the components in the figure are: 1. three-way body 2, first interface 3, second interface 4, third interface 5, collecting tube 6, filter screen 7, drainage tube interface 8, threaded joint. DETAILED DESCRIPTION
[0022] The present invention is further described below through specific embodiments in conjunction with the accompanying drawings, but the present invention is not limited thereto. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
[0023] Example 1
[0024] A three-way connector for bladder stone flushing, such as Figure 1 As shown, it includes a three-way body 1 and a collecting tube 5;
[0025] like Figure 1As shown, the three interfaces of the three-way body 1 are respectively a first interface 2, a second interface 3 and a third interface 4, wherein the first interface 2 and the second interface 3 are respectively used to connect the infusion tube of the bladder irrigator and the double-lumen drainage tube retained in the patient's body, one end of the collecting tube 5 is fixedly connected to the third interface 4, which can be welded or integrally injection molded, and the other end of the collecting tube 5 is a drainage tube interface 7 for connecting the drainage tube;
[0026] like Figure 1 As shown, a filter screen 6 for filtering stones is fixedly installed inside the collection tube 5. The filter screen 6 is a circular plate-shaped structure. The filter screen 6 is coaxial with the collection tube 5. The outer wall of the filter screen 6 is welded or integrally injection-molded with the inner wall of the collection tube 5. The filter screen 6 divides the interior of the collection tube 5 into two cavities. One of the cavities inside the collection tube 5 is connected to the interior of the third interface 4, and the other cavity inside the collection tube 5 is connected to the interior of the drainage tube interface 7.
[0027] The collecting tube 5 and the three-way body 1 are both made of transparent plastic, and the bladder stones trapped in the transparent collecting tube 5 can be easily observed.
[0028] As a preferred embodiment, in this embodiment, the filter screen 6 is a stainless steel filter screen, which is made of stainless steel plate by laser punching, and can also be manufactured by other methods. The production and processing method of the filter screen 6 is the existing technology, and the existing products can be purchased or customized in existing processing plants. According to the size of the bladder stones, the filter screen 6 with a suitable mesh size is selected, which is a conventional choice and will not be repeated here; after the filter screen 6 is processed and formed, it is welded or integrally injection molded on the inner wall of the collecting tube 5; in addition, the filter screen 6 can also be other hardware filter screens or textile fiber filter screens, which are all existing technologies and will not be repeated here.
[0029] The working principle of this embodiment:
[0030] When the patient is being irrigated for bladder stones, a double-lumen urinary catheter is placed in the patient's body, and the interface of the double-lumen urinary catheter is connected to the first interface 2 of the three-way body 1 through a hose to avoid the three-way body 1 being too close to the patient due to the first interface 2 of the three-way body 1 being directly connected to the interface of the double-lumen urinary catheter. The interface of the infusion tube of the bladder irrigator is connected to the second interface 3, one end of the drainage tube is connected to the drainage tube interface 7, and the other end is connected to the drainage bag. The above-mentioned double-lumen urinary catheter, bladder irrigator, drainage tube and drainage bag are all existing products, and the connection structure and connection method at each interface are all existing technologies, which will not be repeated here.
[0031] When flushing bladder stones, the drainage tube is clamped and the flushing liquid is injected into the bladder through the three-way body 1 and the double-lumen urinary catheter by using the bladder flusher; the infusion tube of the bladder flusher is clamped and the clamp on the drainage tube is opened. The flushing liquid in the bladder is discharged through the double-lumen urinary catheter and then flows through the three-way body 1, the collecting tube 5, and the drainage tube and then discharged into the drainage bag; the above-mentioned injection and drainage operation process can be repeated so that the flushing liquid can carry out the bladder stones;
[0032] During the process of discharge of the flushing fluid in the bladder, the flushing fluid carries the stones in the bladder. The bladder stones are filtered by the filter mesh 6 in the collecting tube 5, so that the bladder stones are retained in the collecting tube 5 by the filter mesh 6. The bladder stones retained in the collecting tube 5 can be easily observed through the transparent collecting tube 5, which can help to observe and judge the discharge of the bladder stones.
[0033] Example 2
[0034] A three-way connector for bladder stone flushing, such as Figure 2 As shown, the difference from Example 1 is that: the filter screen 6 is a cylindrical structure with one end closed, the cylindrical filter screen 6 is coaxial with the collecting tube 5, the interior of the drainage tube interface 7 is communicated with the interior of the filter screen 6, and the annulus between the filter screen 6 and the drainage tube interface 7 is communicated with the interior of the tee body 1; after the flushing liquid flowing out of the bladder enters the interior of the tee body 1, it flows into the annulus between the filter screen 6 and the drainage tube interface 7 through the third interface 4 of the tee body 1, and after being filtered by the filter screen 6, the flushing liquid flows from the interior of the filter screen 6 into the drainage tube interface 7, and then flows into the drainage tube through the drainage tube interface 7, and the bladder stones filtered out by the filter screen 6 can be trapped in the annulus between the filter screen 6 and the collecting tube 5, which can facilitate the observation of bladder stones.
[0035] As a preferred embodiment, in this embodiment, Figure 3 As shown, the closed end of the cylindrical filter screen 6 is an arc top structure, and the center of the arc top is located inside the filter screen 6, so that the closed end of the filter screen 6 is arched outward, and the flushing liquid flowing into the collecting cylinder 5 from the third interface 4 of the three-way body 1 can be diverted through the arc top of the filter screen 6, avoiding bladder stones from being retained on the top surface of the closed end of the filter screen 6, ensuring that the bladder stones can slide into the annulus.
[0036] As a preferred implementation, in this embodiment, the filter screen 6 is a stainless steel filter screen with a cylindrical structure, which is made of a stainless steel cylindrical material with one end closed and the closed end having a rounded top through laser drilling.
[0037] Example 3
[0038] A three-way connector for bladder stone flushing, such as Figure 4As shown, the difference from Example 1 and Example 2 is that: the third interface 4 of the three-way body 1 is fixedly installed with a threaded connector 8 for threaded connection with the end of the collecting tube 5, so that the collecting tube 5 and the three-way body 1 can be detachably connected. After being disassembled, it is convenient to take bladder stone samples from the collecting tube 5;
[0039] Specifically, the threaded joint 8 is integrally formed with the tee body 1, and the threaded joint 8 is a cylindrical structure, and its inner wall is provided with an internal thread, and the outer wall of the end of the collecting tube 5 is provided with an external thread, and the end of the collecting tube 5 is inserted into the threaded joint 8 and threadedly connected to the threaded joint 8, or, the outer wall of the threaded joint 8 is provided with an external thread, and the inner wall of the end of the collecting tube 5 is provided with an internal thread, and the end of the collecting tube 5 is sleeved on the outside of the threaded joint 8 and threadedly connected to the threaded joint 8.
[0040] As a preferred embodiment, in this embodiment, Figure 5 As shown, the filter screen 6 is detachably connected to the collecting tube 5, which is convenient for production and assembly;
[0041] Specifically, when the filter screen 6 is a circular plate-shaped filter screen, an outer wall of the edge is provided with an external thread, and an inner wall of the collecting tube 5 is provided with an internal thread, so that the filter screen 6 can be threadedly connected with the collecting tube 5;
[0042] In addition, when the filter screen 6 is a cylindrical filter screen with one end closed, an external thread is provided at the unclosed end, the interior of the collecting tube 5 has a step, and an internal thread is provided at the step inside the collecting tube 5, so that the filter screen 6 is threadedly connected to the collecting tube 5;
[0043] The collecting tube 5 is made of transparent plastic injection molding, and the filter screen 6 is made by laser punching. The collecting tube 5 and the filter screen 6 are manufactured separately and then assembled. They can be manufactured using existing technology, avoiding redesigning the mold and reducing the complexity of the production process.
Claims
1. A three-way connector for flushing bladder stones, comprising a three-way body (1), characterized in that: The invention also comprises a collecting tube (5), one end of which is connected to one of the interfaces of the three-way body (1), the interior of the collecting tube (5) is communicated with the interior of the three-way body (1), and the other end of the collecting tube (5) is a drainage tube interface (7) for connecting a drainage tube; a filter screen (6) for filtering stones is installed inside the collecting tube (5), the filter screen (6) divides the interior of the collecting tube (5) into two chambers, and the collecting tube (5) is made of transparent plastic.
2. The three-way connector for flushing bladder stones according to claim 1, characterized in that: The filter screen (6) is a cylindrical structure with one end closed; the cylindrical filter screen (6) is coaxial with the collecting tube (5); the interior of the drainage pipe interface (7) is in communication with the interior of the filter screen (6); and the annular space between the filter screen (6) and the drainage pipe interface (7) is in communication with the interior of the tee body (1).
3. The three-way connector for flushing bladder stones according to claim 2, characterized in that: The closed end of the filter screen (6) is a circular arc top structure.
4. The three-way connector for flushing bladder stones according to any one of claims 1 to 3, characterized in that: The filter screen (6) includes but is not limited to a textile fiber filter screen and a hardware filter screen.
5. The three-way connector for flushing bladder stones according to any one of claims 1 to 3, characterized in that: A threaded joint (8) for threaded connection with the end of the collecting tube (5) is fixedly installed at one of the interfaces of the tee body (1), so that the collecting tube (5) and the tee body (1) can be detachably connected.
6. The three-way connector for flushing bladder stones according to claim 5, characterized in that: The filter screen (6) is detachably connected to the collecting cylinder (5).