Disposable electrically powered irrigation and suction tube
By setting up independent flushing and suction lines within the contact tube, and utilizing a diverter and control components, the problem of residual fluid accumulation caused by shared flushing and suction lines in existing technologies is solved, achieving safer and more efficient wound fluid management.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ANJUN BIOMEDICAL TECH (SUZHOU) CO LTD
- Filing Date
- 2024-12-25
- Publication Date
- 2026-06-12
AI Technical Summary
In existing disposable irrigation and suction tubes, the irrigation and suction lines share a single thin stainless steel tube, which causes wound fluid to remain on the inner wall of the tube, potentially leading to secondary infection. Furthermore, negative pressure suction devices have limited control over the fluid accumulation.
A disposable electric flushing and aspiration tube was designed. By setting an independent first flushing tube and a suction chamber in the contact tube, and using a diverter to connect them to a saline bag and a negative pressure aspirator respectively, the flushing and aspiration can be made independent by combining control and drive components. The flow rate of the accumulated fluid can be adjusted by controlling the locking pawl with a handle.
It reduces residual wound fluid during irrigation, lowers the risk of infection, and improves the safety and efficiency of the surgical procedure by precisely controlling the fluid flow.
Smart Images

Figure CN224345232U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of medical devices, specifically to a disposable electric flushing and suction tube. Background Technology
[0002] During surgical procedures, the surgical area or instruments need to be rinsed with sterile saline or sugar water. At the same time, it is necessary to promptly aspirate any bloody fluid or rinsing water produced by the wound to ensure a clear surgical field and reduce infection.
[0003] Existing technologies typically use disposable irrigation and aspiration tubes to perform both irrigation and aspiration with a single tube. These tubes usually connect the irrigation and aspiration lines to a thin, curved stainless steel aspiration tube that extends into the surgical wound. One end of the irrigation line is connected to a saline bag, and the other end of the aspiration line is connected to a negative pressure aspirator. A simple handle button allows for switching between these functions, enabling irrigation and aspiration of the surgical wound at any time, simplifying operation and shortening surgical time.
[0004] However, in existing disposable irrigation and aspiration tubes, because the irrigation and aspiration lines share a single thin stainless steel aspiration tube, some of the aspirated wound fluid remains on the inner wall of the shared tube. During irrigation, this fluid is then flushed back into the surgical wound by saline solution, potentially causing secondary infection. Furthermore, current technology only allows control of wound fluid aspiration via a negative pressure aspirator, but because the irrigation and aspiration tube is relatively long, the control over the aspirated wound fluid is limited. Utility Model Content
[0005] The technical solution adopted by this utility model to solve its technical problem is: to provide a disposable electric flushing suction tube, comprising:
[0006] The contact tube has a first flushing tube inside it, and a suction cavity is formed between the contact tube and the first flushing tube. The side wall of the contact tube has a plurality of flushing holes, and the flushing holes are connected to the openings of the first flushing tube. The end of the contact tube is connected to a control housing.
[0007] The control housing contains a diverter, a second flushing tube, and a suction tube. The first flushing tube is connected to the second flushing tube via the diverter. The suction chamber is connected to the suction tube via the diverter. The end of the second flushing tube is connected to a saline bag. The end of the suction tube is connected to a negative pressure suction device.
[0008] The control assembly includes a drive pawl, a locking pawl, and a tension spring. Both the drive pawl and the locking pawl are rotatably disposed within the control housing. The end of the drive pawl extends out of the control housing and is provided with a handle. The drive pawl and the locking pawl are externally engaged with each other. The locking pawl is slidably and sealingly connected to the suction tube. One end of the tension spring is connected to the locking pawl, and the other end of the tension spring is connected to the control housing. The drive pawl is used to drive the locking pawl to rotate to control whether wound fluid passes through the suction tube.
[0009] A drive assembly for delivering physiological saline.
[0010] Furthermore, the locking pawl is provided with a locking part, the suction tube is provided with a locking hole, the locking part passes through the locking hole and is slidably and sealingly connected with the locking hole.
[0011] Furthermore, the end of the second flushing tube is connected to a flushing connector, and the second flushing tube is connected to the saline bag through the flushing connector. The end of the suction tube is connected to a suction connector, and the suction tube is connected to a negative pressure suction device through the suction connector.
[0012] Furthermore, the diverter is provided with a diverting cavity, the outlet of the diverting cavity is provided with a first diverting interface that is sealed and connected to a second flushing pipe and a second diverting interface that is sealed and connected to the suction pipe, the first flushing pipe passes through the first diverting interface and is sealed and connected to the second flushing pipe, and the suction cavity is sealed and connected to the suction pipe through the second diverting interface.
[0013] Furthermore, the drive assembly includes a water pump, a lithium battery, and a switch. The water pump is connected to the flushing pipe and is used to control the flow of saline solution. The lithium battery is electrically connected to the switch and is used to power the water pump. The switch is also electrically connected to the water pump and is used to control whether the water pump is powered on.
[0014] Furthermore, the end of the contact tube is provided with a cap, and the two ends of the cap are respectively connected to the control housing and the contact tube.
[0015] Furthermore, the wall of the first flushing pipe and the wall of the contact pipe are sealed together, and a connection hole communicating with the flushing hole is provided on the side where the first flushing pipe and the contact pipe are connected.
[0016] The beneficial effects of this utility model are as follows: It provides a disposable electric irrigation and suction tube, including a contact tube, a control housing, a control component, and a drive component. By additionally setting a first irrigation tube inside the contact tube, the remaining space inside the contact tube becomes a suction chamber. A diverter connects the suction chamber and the first irrigation tube to a negative pressure suction device and a saline bag, respectively, making the irrigation and suction lines relatively independent. Simultaneously, the opening of the first irrigation tube is connected to the irrigation hole on the side wall of the contact tube, preventing wound fluid from easily entering the first irrigation tube through the opening of the contact tube when suctioning wound fluid. Compared to the prior art where the irrigation and suction lines share a single thin stainless steel suction tube, the technical solution of this utility model reduces the impact of residual wound fluid on the irrigation process. Meanwhile, in this utility model, a control component is set in the middle of the suction tube to cooperate with the negative pressure suction device. The handle controls the rotation of the drive pawl, which in turn drives the locking pawl to rotate until the locking part blocks the inside of the suction tube, preventing wound fluid from passing through the suction tube. When the handle is released, the tension spring controls the locking pawl to reset, allowing wound fluid to pass through the suction tube, thereby achieving further control over the suction of wound fluid. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0018] In the picture: Figure 1 An overall structural diagram of a disposable electric flushing suction tube provided in an embodiment of this utility model;
[0019] Figure 2 for Figure 1 Cross-sectional view of the structure at point A;
[0020] Figure 3 for Figure 1 A sectional view of the structure at point A in the middle;
[0021] Figure 4 for Figure 1 The diagram shows the internal structure of the splitter.
[0022] Explanation of reference numerals in the attached drawings: 1. Contact tube; 11. First flushing tube; 111. Connecting hole; 12. Suction chamber; 13. Rotary cap; 14. Flushing hole; 2. Control housing; 21. Diverter; 211. Diverting chamber; 212. First diverting interface; 213. Second diverting interface; 22. Second flushing tube; 221. Flushing connector; 23. Suction tube; 231. Suction connector; 232. Locking hole; 31. Drive pawl; 311. Handle; 32. Locking pawl; 321. Locking part; 33. Tension spring; 41. Water pump; 42. Lithium battery; 43. Switch. Detailed Implementation
[0023] To make the technical problem to be solved, the technical solution, and the beneficial effects of this utility model clearer, the present utility model will now be described in detail with reference to the accompanying drawings. This drawing is a simplified schematic diagram, illustrating only the basic aspects of the present utility model, and therefore only shows the components relevant to the present utility model. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0024] Please refer to Figure 1-4 This utility model provides a disposable electric irrigation and suction tube, including a contact tube 1, a control housing 2, a control component, and a drive component. When rinsing and suctioning accumulated fluid, the end of the contact tube 1 is positioned opposite the wound.
[0025] The contact tube 1 contains a first flushing tube 11, forming a suction cavity 12 between the contact tube 1 and the first flushing tube 11. The side wall of the contact tube 1 has several flushing holes 14, which are connected to the openings of the first flushing tube 11. Furthermore, the wall of the first flushing tube 11 is sealed to the wall of the contact tube 1, and the side where the first flushing tube 11 connects to the contact tube 1 has a connecting hole 111 that communicates with the flushing holes 14. During flushing, physiological saline solution is sequentially ejected outwards through the connecting hole 111 and the flushing holes 14.
[0026] The ends of the control housing 2 and the contact tube 1 are connected. Specifically, the end of the contact tube 1 is provided with a screw cap 13, and the two ends of the screw cap 13 are respectively connected to the control housing 2 and the contact tube 1. Specifically, in this embodiment, the screw cap 13 and the control housing 2 and the contact tube 1 are all threaded connections.
[0027] The control housing 2 is equipped with a diverter 21, a second flushing tube 22, and a suction tube 23. The first flushing tube 11 is connected to the second flushing tube 22 via the diverter 21. The suction chamber 12 is connected to the suction tube 23 via the diverter 21. The second flushing tube 22 is connected to a saline bag, and the suction tube 23 is connected to a negative pressure aspirator. Specifically, in this embodiment, the end of the second flushing tube 22 is connected to a flushing connector 221, and the second flushing tube 22 is connected to the saline bag via the flushing connector 221. The end of the suction tube 23 is connected to a suction connector 231, and the suction tube 23 is connected to the negative pressure aspirator via the suction connector 231. Furthermore, the negative pressure aspirator involved in this embodiment is used in conjunction with a disposable waste bag.
[0028] Furthermore, the diverter 21 is provided with a diverting cavity 211. The outlet of the diverting cavity 211 is provided with a first diverting interface 212 that is sealed and connected to the second flushing pipe 22 and a second diverting interface 213 that is sealed and connected to the suction pipe 23. The first flushing pipe 11 passes through the first diverting interface 212 and is sealed and connected to the second flushing pipe 22. The suction cavity 12 is sealed and connected to the suction pipe 23 through the second diverting interface 213.
[0029] By additionally setting a first irrigation tube 11 inside the contact tube 1, the remaining space inside the contact tube 1 becomes a suction chamber 12. A diverter 21 then connects the suction chamber 12 and the first irrigation tube 11 to a negative pressure suction device and a saline bag, respectively, making the irrigation and suction lines relatively independent. Simultaneously, the opening of the first irrigation tube 11 is connected to the irrigation hole 14 on the side wall of the contact tube 1, preventing wound fluid from easily entering the first irrigation tube 11 through the opening of the contact tube 1 during wound aspiration. Compared to the prior art where the irrigation and suction lines share a single thin stainless steel suction tube 23, the technical solution of this invention reduces the impact of residual wound fluid on the irrigation process.
[0030] The control assembly includes a drive pawl 31, a locking pawl 32, and a tension spring 33. Both the drive pawl 31 and the locking pawl 32 are rotatably mounted inside the control housing 2. The end of the drive pawl 31 extends out of the control housing 2 and is provided with a handle 311. The drive pawl 31 and the locking pawl 32 are externally engaged with each other. The locking pawl 32 is provided with a locking part 321. The suction tube 23 is provided with a locking hole 232. The locking part 321 passes through the locking hole 232 and is slidably and sealingly connected with the locking hole 232. One end of the tension spring 33 is fixedly connected to the locking pawl 32, and the other end of the tension spring 33 is fixedly connected to the control housing 2. The drive pawl 31 is used to drive the locking part 321 to rotate in order to control whether the wound fluid passes through the suction tube 23.
[0031] Specifically, the handle 311 has an arc-shaped rod structure in cross-section; please refer to... Figure 1 As shown, when the user rotates handle 311, causing the drive pawl 31 to rotate counterclockwise, the locking pawl 32 rotates clockwise until the suction tube 23 is connected, allowing wound fluid to flow through the suction tube 23, and the tension spring 33 is stretched. When the user releases handle 311, the tension spring 33 pulls the locking pawl 32 back to its original position, and the suction tube 23 is blocked. This allows for better control of wound fluid aspiration when used with a negative pressure suction device. Simultaneously, the user can control the relative position of the locking part 321 on the locking pawl 32 and the suction tube 23 by controlling the arc of rotating handle 311, thereby controlling the spatial changes between the locking part 321 and the tube wall of the suction tube 23, and thus controlling the flow rate of wound fluid through the suction tube 23.
[0032] By setting a control component in the middle of the suction tube 23, when the suction tube 23 suctions wound fluid, the handle 311 controls the drive pawl 31 to rotate, causing the locking part 321 on the locking pawl 32 to slide along the locking hole 232, thereby further adjusting the flow rate of the suctioned wound fluid.
[0033] The drive assembly includes a water pump 41, a lithium battery 42, and a switch 43. The water pump 41 is connected to the flushing pipe and is used to control the flow of saline solution. The lithium battery 42 is electrically connected to the switch 43 and is used to power the water pump 41. The switch 43 is electrically connected to the water pump 41 and is used to control whether the water pump 41 is energized. Specifically, in this embodiment, the water pump 41 is a miniature water pump.
Claims
1. A disposable electric flushing suction tube, characterized in that, include: The contact tube has a first flushing tube inside it, and a suction cavity is formed between the contact tube and the first flushing tube. The side wall of the contact tube has a plurality of flushing holes, and the flushing holes are connected to the openings of the first flushing tube. The end of the contact tube is connected to a control housing. The control housing contains a diverter, a second flushing tube, and a suction tube. The first flushing tube is connected to the second flushing tube via the diverter. The suction chamber is connected to the suction tube via the diverter. The end of the second flushing tube is connected to a saline bag. The end of the suction tube is connected to a negative pressure suction device. The control assembly includes a drive pawl, a locking pawl, and a tension spring. Both the drive pawl and the locking pawl are rotatably disposed within the control housing. The end of the drive pawl extends out of the control housing and is provided with a handle. The drive pawl and the locking pawl are externally engaged with each other. The locking pawl is slidably and sealingly connected to the suction tube. One end of the tension spring is connected to the locking pawl, and the other end of the tension spring is connected to the control housing. The drive pawl is used to drive the locking pawl to rotate to control whether wound fluid passes through the suction tube. A drive assembly for delivering physiological saline.
2. The disposable electric flushing suction tube according to claim 1, characterized in that: The locking pawl is provided with a locking part, and the suction tube is provided with a locking hole. The locking part passes through the locking hole and is slidably and sealingly connected with the locking hole.
3. The disposable electric flushing suction tube according to claim 1, characterized in that: The second flushing tube is connected to a flushing connector at its end, and the second flushing tube is connected to a saline bag through the flushing connector. The suction tube is connected to a suction connector at its end, and the suction tube is connected to a negative pressure suction device through the suction connector.
4. The disposable electric flushing suction tube according to claim 1, characterized in that: The diverter is provided with a diverting cavity. The outlet of the diverting cavity is provided with a first diverting interface that is sealed and connected to a second flushing pipe and a second diverting interface that is sealed and connected to the suction pipe. The first flushing pipe passes through the first diverting interface and is sealed and connected to the second flushing pipe. The suction cavity is sealed and connected to the suction pipe through the second diverting interface.
5. The disposable electric flushing suction tube according to claim 1, characterized in that: The drive assembly includes a water pump, a lithium battery, and a switch. The water pump is connected to the flushing pipe and is used to control the flow of saline solution. The lithium battery is electrically connected to the switch and is used to power the water pump. The switch is electrically connected to the water pump and is used to control whether the water pump is powered on.
6. The disposable electric flushing suction tube according to claim 1, characterized in that: The end of the contact tube is provided with a rotating cap, and the two ends of the rotating cap are respectively connected to the control housing and the contact tube.
7. The disposable electric flushing suction tube according to claim 1, characterized in that: The wall of the first flushing tube and the wall of the contact tube are sealed together, and a connection hole communicating with the flushing hole is provided on the side where the first flushing tube and the contact tube are connected.