Catheter capable of flushing and draining

By setting a groove and adjustment ring on the drainage tube, the drainage and flushing functions can be easily switched, which solves the problem of secondary trauma and discomfort caused by the need to replace existing drainage tubes, and improves the patient's comfort and safety.

CN224024041UActive Publication Date: 2026-03-24JIANGSU LIANSHENG MEDICAL EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The existing drainage tubes have a simple structure and are only used for draining accumulated fluid. Replacing the flushing tube can cause secondary trauma and discomfort, and may lead to secondary inflammation of the affected area.

Method used

A flushable drainage catheter was designed. By setting a groove, an adjusting ring, and a movable rod on the catheter body, the drainage and flushing functions can be switched. The adjusting ring slides to drive the movable rod to move, automatically limiting the position, avoiding accidental contact, and simplifying operation.

Benefits of technology

It enables convenient switching between drainage and flushing functions, avoids secondary trauma caused by changing catheters, and improves patient comfort and safety.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224024041U_ABST
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Abstract

The utility model relates to the technical field of medical supplies, and discloses a catheter capable of flushing and drainage, which comprises a catheter body, and a drainage tube and a flushing tube which are respectively and fixedly arranged on the side wall of the catheter body. When the wounded part needs to be flushed, the adjusting ring can slide along the surface of the catheter body, and the adjusting ring slides along the second sliding groove and drives the movable rod in the adjusting ring to move, so that the wounded part can be flushed, and the wounded part can be flushed. When the movable rod moves, the connecting position communicated with the drainage tube is blocked, at the moment, the movable rod is communicated with the flushing tube and the connecting hole through the movable rod, an affected part can be flushed through the flushing tube, the catheter capable of flushing and drainage can achieve function switching between drainage and flushing by moving the adjusting ring, the structure is simple, operation is convenient, and the catheter does not need to be replaced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical supplies technical field, concretely is a kind of catheter of washable drainage. BACKGROUND

[0002] Drainage tube is the catheter commonly used in clinic, it is timely by catheter to discharge gas, digestive juice, incision exudate etc. accumulated in human tissue or body cavity to reduce pressure, eliminate invalid cavity, change the microbial environment of infection site, inhibit local bacterial reproduction, prevent infection spread, promote inflammation subsides, ensure the good healing of wound site, reduce the occurrence of complication.

[0003] The existing drainage tube is simple in structure, generally only applicable to drain effusion of affected part, and needs to replace corresponding irrigation tube when washing affected part, so switching catheter inserted into affected part can easily cause secondary trauma to affected part of patient, and in actual use, it can make patient have obvious discomfort, and can also cause secondary inflammation of affected part and produce new abscess.

[0004] Therefore, we propose a catheter of washable drainage to solve the above problems. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a catheter of washable drainage to solve the problems of the existing drainage tube, simple structure, generally only applicable to drain effusion of affected part, need to replace corresponding irrigation tube when washing affected part, switching catheter inserted into affected part can easily cause secondary trauma to affected part of patient, in actual use, it can make patient have obvious discomfort, and can also cause secondary inflammation of affected part and produce new abscess.

[0006] To achieve the above object, the utility model provides the following technical scheme: a catheter of washable drainage, including catheter body and drainage tube and irrigation tube fixedly arranged on the side wall of catheter body respectively, one end of catheter body is fixedly installed with handle bar, the inside of catheter body is provided with sliding groove one, the inside of sliding groove one is provided with movable rod, the side wall of one end of catheter body is provided with multiple sliding groove two at equal intervals, multiple sliding groove two are connected with adjusting ring in common and slide, the inner wall of adjusting ring is fixedly connected with the outer wall of movable rod, and the side wall of one end of catheter body is provided with a plurality of connecting holes at equal intervals.

[0007] Preferably, the inner wall of catheter body is provided with annular groove, connecting pipe is arranged between the two side walls of annular groove, and the connecting pipe is connected with drainage tube and sliding groove one.

[0008] Preferably, the interior of the movable rod is provided with a slot, both sides of the slot are provided with a connecting port, and the connecting port is connected with the slot and the flushing pipe.

[0009] Preferably, one end of the interior of the slot is fixedly provided with a fixed block, the fixed block is provided with a connecting groove, and both sides of the connecting groove are provided with a sliding groove three.

[0010] Preferably, the sliding groove three is slidably connected with a movable block, springs are fixedly arranged between the side wall of the movable block and the inner wall of the sliding groove three, and telescopic rods are fixedly arranged between the side wall of the movable block and the inner wall of the sliding groove three.

[0011] Preferably, the middle of the movable block is provided with a through hole, the inner wall of the catheter body is provided with a clamping groove, and the movable block is slidably connected in the clamping groove and the connecting hole.

[0012] Compared with the prior art, the catheter has the advantages that:

[0013] 1. When the catheter is used to drain and flush the affected area, one end provided with a connecting hole is inserted into the affected area, liquid generated by abscess in the affected area can enter the interior of the sliding groove one along the connecting hole, and then is discharged out of the body through the drainage tube. When the affected area needs to be flushed, the surface of the catheter body is slidably adjusted, the adjusting ring slides along the sliding groove two and drives the movable rod in the interior to move, the movable rod blocks the connecting part connected with the drainage tube when moving, the flushing pipe is connected with the connecting hole through the movable rod at this time, and the affected area can be flushed through the flushing pipe. The catheter can realize the function switching between drainage and flushing by moving the adjusting ring, has the advantages of simple structure and convenient operation, and does not need to replace the catheter.

[0014] 2. Through the cooperation between the annular groove, the connecting pipe, the clamping groove, the slot, the fixed block, the connecting groove, the sliding groove three, the movable block, the spring, the telescopic rod, the connecting port and the through hole, the device can realize the switching between flushing and drainage by sliding the adjusting ring when in use, and can be automatically limited when moving to the corresponding function position, so that the device cannot be normally used due to accidental movement in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is an overall three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is an overall transverse cross-section three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is an overall longitudinal cross-section three-dimensional structure schematic view of the utility model;

[0018] Figure 4 The utility model discloses a Figure 3 The enlarged perspective structural schematic diagram of A in the middle.

[0019] In the drawing: 1, the conduit body; 11, the sliding groove two; 12, the sliding groove one; 13, the annular groove; 14, the connecting pipe; 15, the clamping groove; 2, the drainage tube; 3, the flushing pipe; 4, the connecting hole; 5, the handle bar; 6, the adjusting ring; 7, the movable rod; 71, the slot; 72, the fixed block; 73, the connecting groove; 74, the sliding groove three; 75, the movable block; 76, the spring; 77, the telescopic rod; 78, the connecting port; 79, the through hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative work fall within the protection scope of the utility model.

[0021] Embodiment one: please refer to Figure 1 - Figure 3 A flushable drainage conduit, including conduit body 1 and respectively fixedly arranged drainage tube 2 and flushing pipe 3 in the side wall of conduit body 1, one end of conduit body 1 is fixedly installed with handle bar 5, the inside of conduit body 1 is provided with sliding groove one 12, the inside of sliding groove one 12 is provided with movable rod 7, the side wall of one end of conduit body 1 is provided with multiple sliding groove two 11 at equal intervals, adjusting ring 6 is slidably connected in multiple sliding groove two 11, the inner wall of adjusting ring 6 is fixedly connected with the outer wall of movable rod 7, and the side wall of one end of conduit body 1 is provided with several connecting holes 4 at equal intervals.

[0022] In this embodiment: when using the conduit to drain and flush the affected area, one end provided with connecting hole 4 can be inserted into the affected area, at this time, the liquid generated by abscess in the affected area can enter the inside of sliding groove one 12 along connecting hole 4, and then be discharged outside through drainage tube 2, when needing to flush the affected area, adjusting ring 6 can be slid along the surface of conduit body 1, adjusting ring 6 slides along sliding groove two 11 and drives the inside movable rod 7 to move, and the connecting place of movable rod 7 and drainage tube 2 is blocked when movable rod 7 moves, at this time, flushing pipe 3 is connected with connecting hole 4 through movable rod 7, and the affected area can be flushed through flushing pipe 3, the flushable drainage conduit can realize the function switching between drainage and flushing by moving adjusting ring 6, which is simple in structure, convenient to operate and does not need to replace the conduit.

[0023] Embodiment two: this embodiment is improved on the basis of embodiment 1, and specifically, please refer toFigure 2 Figure 4 The inner wall of the catheter body 1 is provided with an annular groove 13, and connecting pipes 14 are arranged between the two side walls of the annular groove 13, and the connecting pipes 14 are connected with the drainage pipe 2 and the sliding groove 1, so that the sliding groove 1 and the drainage pipe 2 are connected through the annular groove 13 and the connecting pipes 14.

[0024] The inner part of the movable rod 7 is provided with a slot 71, and connecting ports 78 are arranged on the two sides of the slot 71, and the connecting ports 78 are connected with the slot 71 and the flushing pipe 3, and when the connecting ports 78 are attached to the inner wall of the sliding groove 1, the flushing pipe 3 and the connecting hole 4 are in a staggered state and are not connected.

[0025] One end of the slot 71 is fixedly provided with a fixed block 72, and the fixed block 72 is provided with a connecting groove 73, and the two sides of the connecting groove 73 are provided with sliding grooves 74.

[0026] The sliding grooves 74 are slidably connected with movable blocks 75, and the side walls of the movable blocks 75 and the inner walls of the sliding grooves 74 are fixedly connected with springs 76, and the side walls of the movable blocks 75 and the inner walls of the sliding grooves 74 are fixedly connected with telescopic rods 77, the springs 76 can provide outward thrust for the movable blocks 75, and the telescopic rods 77 are used for protecting the springs 76 and preventing the liquid collection from affecting the normal use of the springs 76.

[0027] The middle of the movable blocks 75 is provided with through holes 79, the inner wall of the catheter body 1 is provided with a clamping groove 15, and the movable blocks 75 are slidably connected in the clamping groove 15 and the connecting hole 4, and when the movable rod 7 moves, the clamping groove 15 and the connecting hole 4 can limit the movable rod 7.

[0028] ​In the embodiment: when the device is used to lead out the effusion of the abscess of the patient, the one end of the conduit body 1 provided with the connecting hole 4 is inserted into the affected part, at this time, the liquid accumulated in the affected part is led into the sliding groove one 12 through the connecting hole 4, and then is sucked into the drainage tube 2 through the connecting pipe 14 provided on the side wall of the annular groove 13 and is finally discharged outward, when it is needed to flush the affected part, the adjusting ring 6 is pushed to move the movable rod 7 to the direction of the connecting hole 4, during the movement, the movable block 75 is slidably received into the sliding groove three 74 under the pushing force, and is separated from the position of the clamping groove 15, during the movement, the outer wall of the movable rod 7 blocks the annular groove 13, when the connecting port 78 is opposite to the connecting hole 4, the movable block 75 is automatically pushed out and slid into the connecting hole 4 under the action of the spring 76, at this time, the flushing pipe 3 is connected with the connecting hole 4 through the movable rod 7 and is automatically limited, when the device is used, the adjusting ring 6 is pushed to slide to realize the switching between the flushing and the drainage, and is automatically limited when it is moved to the corresponding function position, so that the device cannot be normally used due to the mistaken movement during the use is prevented.

[0029] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0030] Although the utility model is described in detail with reference to the foregoing embodiments, the person skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A flushable drainage catheter, comprising a catheter body (1) and a drainage tube (2) and a flushing tube (3) respectively fixedly disposed on the side wall of the catheter body (1), wherein a handle (5) is fixedly installed at one end of the catheter body (1), characterized in that: The catheter body (1) has a sliding groove (12) inside, and a movable rod (7) is provided inside the sliding groove (12). Multiple sliding grooves (11) are provided at equal intervals on one side wall of the catheter body (1). An adjusting ring (6) is slidably connected in the multiple sliding grooves (11). The inner wall of the adjusting ring (6) is fixedly connected to the outer wall of the movable rod (7). A number of connecting holes (4) are provided at equal intervals on one side wall of the catheter body (1).

2. The flushable drainage catheter according to claim 1, characterized in that: The inner wall of the catheter body (1) is provided with an annular groove (13), and a connecting pipe (14) is provided between the two side walls of the annular groove (13). The connecting pipe (14) is connected to the drainage pipe (2) and the sliding groove (12).

3. The flushable drainage catheter according to claim 2, characterized in that: The movable rod (7) has a slot (71) inside, and a connection port (78) is provided on both sides of the slot (71). The connection port (78) is connected to the slot (71) and the flushing pipe (3).

4. The flushable drainage catheter according to claim 3, characterized in that: A fixing block (72) is fixedly installed at one end of the slot (71). A connecting groove (73) is provided on the fixing block (72). Sliding grooves (74) are provided on both sides of the connecting groove (73).

5. The flushable drainage catheter according to claim 4, characterized in that: Each of the three slides (74) is slidably connected with a movable block (75). A spring (76) is fixedly installed between the side wall of the movable block (75) and the inner wall of the three slides (74). A telescopic rod (77) is fixedly installed between the side wall of the movable block (75) and the inner wall of the three slides (74).

6. The flushable drainage catheter according to claim 5, characterized in that: Each movable block (75) has a through hole (79) in the middle, and the inner wall of the catheter body (1) has a slot (15). The movable block (75) is slidably connected in the slot (15) and the connection hole (4).