Total lung lavage connecting device

By incorporating a heating structure and a negative pressure regulating structure into the whole lung lavage connection device, the problems of low cooling and recovery efficiency of the lavage fluid were solved, achieving effective heat preservation and smooth recovery of the lavage fluid, and reducing the risk of complications.

CN223682851UActive Publication Date: 2025-12-19PEKING UNIVERSITY FIRST HOSPITAL (PEKING UNIVERSITY FIRST CLINICAL MEDICAL COLLEGE)
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Patent Information

Application Number
CN202422730418.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-08
Publication Date
2025-12-19
Estimated Expiration
2034-11-08

AI Technical Summary

Technical Problem

Traditional lung lavage devices suffer from low fluid recovery efficiency due to excessive cooling of the perfusion fluid and negative pressure at the suction connector, and are complex to operate and increase the risk of complications.

Method used

A whole lung lavage connection device was designed, comprising a Y-shaped tube, an infusion tubing, a recovery tubing, and a negative pressure regulating structure. The infusion tubing is equipped with a heating structure to keep the lavage fluid warm, and the recovery tubing is equipped with a negative pressure regulating structure to prevent outlet blockage.

Benefits of technology

It improves the heat retention of the irrigation fluid, ensures smooth fluid recovery, reduces the risk of intraoperative and postoperative complications, and simplifies the operation process.

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Abstract

The utility model discloses a total lung lavage connecting device which comprises a Y-shaped tube, and three through holes of the Y-shaped tube are respectively connected with an infusion hose, a connecting hose and a recovery liquid hose. The infusion hose is suitable for being communicated with a lavage bottle, and a heating structure is arranged on the infusion hose; the connecting hose is used for connecting a trachea cannula; the recovery liquid hose is suitable for being communicated with a liquid return bottle, and a negative pressure adjusting structure is arranged at one end of the recovery liquid hose. According to the utility model, the irrigation solution in the irrigation bottle is output through the infusion hose, and the heating structure is arranged on the infusion hose, so that the irrigation solution output from the irrigation bottle can be heated and insulated, the cooling of the originally warm irrigation solution caused by long-time irrigation is avoided, and the risk of complications in and after an operation can be reduced; the liquid in the pipe is conveyed into the liquid return bottle through the recovery liquid hose, and the negative pressure adjusting structure is arranged on the recovery liquid hose, so that the pressure in the recovery liquid hose can be adjusted, and the liquid recovery efficiency is prevented from being affected by outlet blockage caused by overlarge negative pressure of the recovery liquid hose.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a whole lung lavage connecting device. BACKGROUND

[0002] In modern medicine, whole lung lavage technology is widely used to remove diffuse lung lesions (such as pulmonary alveolar proteinosis, pneumoconiosis, etc.) to improve respiratory function.

[0003] Traditional lung lavage devices usually need to be assembled by themselves, and a Y-shaped tube is usually used to connect the infusion device and the suction device. This connection method often does not match well, resulting in low recovery efficiency of the lavage fluid, especially the suction connector often causes the drainage tube to be occluded due to excessive negative pressure, so that a large amount of liquid cannot be effectively recovered. In addition, these devices are difficult to fix on the table during operation, increasing the complexity and labor cost of operation. At the same time, the existing equipment may cause the originally warm lavage fluid to cool down due to long perfusion, thereby increasing the risk of intraoperative and postoperative complications. SUMMARY

[0004] Therefore, the technical problem to be solved by the utility model is that the lung lavage device in the prior art causes the lavage fluid to cool down due to long perfusion, and the suction connector affects liquid recovery due to excessive negative pressure, thereby providing a whole lung lavage connecting device.

[0005] To solve the above technical problems, the technical scheme of the utility model is as follows:

[0006] A whole lung lavage connecting device, comprising a Y-shaped tube, three through holes of the Y-shaped tube are respectively connected with an infusion hose, a connecting hose and a recovered liquid hose; one end of the infusion hose away from the Y-shaped tube is adapted to communicate with a lavage bottle to output lavage fluid, and a heating structure is arranged on the infusion hose; one end of the connecting hose away from the Y-shaped tube is adapted to be connected with a tracheal cannula; one end of the recovered liquid hose away from the Y-shaped tube is adapted to communicate with a recovered liquid bottle to recover the lavage fluid, and a negative pressure adjusting structure is arranged on one end of the recovered liquid hose.

[0007] Further, the heating structure comprises a fixed jacket wrapped around the outer periphery of the infusion hose part of the tube body, the fixed jacket is hollow inside, and a heating layer is arranged on the inner wall of the fixed jacket.

[0008] Further, an air hole is formed in the side wall of the fixed jacket, and a self-heating material adapted to heat and radiate after contacting with air is arranged on the heating layer.

[0009] Further, the fixed jacket comprises a fixed frame connected to the outer circumferential wall of the infusion tube, one side of the fixed frame is provided with an opening, and opposite sides of the opening of the fixed frame are respectively provided with a left fixed half-jacket and a right fixed half-jacket through a rotating shaft.

[0010] Further, the left fixed half-jacket is provided with a reverse buckle on one side close to the right fixed half-jacket, and the right fixed half-jacket is provided with a groove matched with the reverse buckle on one side close to the left fixed half-jacket.

[0011] Further, the heating structure further comprises a soft tube winding rod detachably arranged in the fixed jacket, and the infusion tube is adapted to be wound on the soft tube winding rod.

[0012] Further, one end of the infusion tube away from the Y-shaped tube is provided with an injection needle, the heating structure is detachably arranged on the infusion tube, and the infusion tube is provided with a flow adjusting structure between the injection needle and the heating structure.

[0013] Further, the oxygen supply pipe is communicated with a tracheal cannula connector at one end away from the Y-shaped tube, the tracheal cannula connector comprises a connecting sleeve and a cannula connector integrally formed at one end of the connecting sleeve, the connecting sleeve is communicated with the end of the oxygen supply pipe, and the connecting sleeve is adapted to be connected with a cannula.

[0014] Further, the recovery liquid tube is provided with a suction connector at one end away from the Y-shaped tube, and the side wall of the suction connector is communicated with a pressure relief hole.

[0015] Further, the recovery liquid tube is provided with a spiral connector away from the Y-shaped tube, the suction connector is detachably connected to the spiral connector through an auxiliary tube, and the spiral connector is also adapted to be connected with a syringe.

[0016] The technical scheme of the utility model has the following advantages:

[0017] 1. The full lung lavage connecting device provided by the utility model connects the lavage bottle through the infusion tube to output the lavage liquid in the lavage bottle, sets the heating structure on the infusion tube, can heat and keep warm the lavage liquid output from the lavage bottle, avoids the cooling of originally warm lavage liquid due to long-term perfusion, and can reduce the risk of complications during and after operation; the liquid in the tube is transported into the liquid recovery bottle through the recovery liquid tube, sets the negative pressure adjusting structure on the recovery liquid tube, can adjust the pressure in the recovery liquid tube, ensures smooth liquid output, avoids the outlet occlusion caused by excessive negative pressure of the recovery liquid tube and affects the liquid recovery efficiency.

[0018] 2. The full lung lavage connecting device provided by the utility model, the heating structure includes a fixed sleeve wrapped around the outer periphery of the infusion hose part pipe body, the fixed sleeve is hollow inside, and a heating layer is arranged on the inner wall of the fixed sleeve. By arranging the heating layer in the fixed sleeve around the outer periphery of the infusion hose part pipe body, the heating layer can wrap around the outer periphery of the infusion hose part pipe body, so that the lavage fluid passing through this part of the pipe body can be heated and kept warm, and the heating and keeping warm efficiency can be improved by the wrapped heating structure.

[0019] 3. The full lung lavage connecting device provided by the utility model, a vent hole is formed in the side wall of the fixed sleeve, and a self-heating material adapted to heat and radiate after contacting with air is arranged on the heating layer. By arranging the self-heating material on the heating layer, air entering through the vent hole can contact with the heating layer provided with the self-heating material in the fixed sleeve, so that the self-heating material can heat and radiate, thereby achieving the purpose of heating and keeping warm of the lavage fluid passing through the fixed sleeve.

[0020] 4. The full lung lavage connecting device provided by the utility model, the heating structure further includes a hose winding rod detachably arranged in the fixed sleeve, and the infusion hose is adapted to be wound on the hose winding rod. By winding the infusion hose on the hose winding rod, the length of the infusion hose in the fixed sleeve can be increased, the heating and keeping warm area of the heating structure for the infusion hose can be increased, and the heating and keeping warm efficiency of the heating structure can be effectively improved.

[0021] 5. The full lung lavage connecting device provided by the utility model, an injection needle is arranged at the end of the infusion hose away from the Y-shaped pipe, the heating structure is detachably arranged on the infusion hose, and a flow adjusting structure is arranged between the injection needle and the heating structure on the infusion hose. By making the heating structure detachable, the device can be used for infusion of liquid without heating and keeping warm, and the heating structure can be installed at different positions of different pipe bodies according to requirements.

[0022] 6. The full lung lavage connecting device provided by the utility model, a suction connector is arranged at the end of the recovery liquid hose away from the Y-shaped pipe, and a pressure relief hole is arranged in the side wall of the suction connector in communication. By adjusting the pressure in the recovery liquid hose connected with the suction connector through the pressure relief hole, the pressure relief hole can be opened to release pressure when the pressure is too high, and the pressure relief hole can be closed when the pressure is normal.

[0023] 7. The full lung lavage connecting device provided by the utility model, a spiral connector is arranged on the Y-shaped pipe, the suction connector is detachably connected to the spiral connector through an auxiliary hose, and the spiral connector is also adapted to be connected to a syringe. When the suction connector needs to be replaced due to damage or pollution, it is more convenient to replace the suction connector; and the suction connector can be directly connected to the syringe, so that the specimen can be easily taken. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions in the specific embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description. Obviously, the drawings described below are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0025] Figure 1 The structure diagram of the whole lung lavage connecting device provided by the embodiments of the present application is shown in the figure.

[0026] Figure 2 The structure diagram of the heating structure in the present application is shown in the figure.

[0027] Figure 3 The internal structure diagram of the heating structure in the present application is shown in the figure.

[0028] Figure 4 The structure diagram of the tracheal cannula connector in the present application is shown in the figure.

[0029] Figure 5 The three-dimensional structure diagram of the flow interception clamp in the present application is shown in the figure.

[0030] Figure 6 The connection diagram of the suction connector and the pressure relief button in the present application is shown in the figure.

[0031] The figure mark explanation: 1, injection needle; 2, infusion hose; 3, drip bucket; 4, flow regulating structure; 5, heating structure; 6, Y-shaped pipe; 7, flow interception clamp; 8, tracheal cannula connector; 9, spiral connector; 10, suction connector; 11, limiting stop ring; 12, left fixed half clamp sleeve; 13, right fixed half clamp sleeve; 14, air vent; 15, rotating shaft; 16, reverse buckle; 17, hose winding rod; 18, heating layer; 19, connecting sleeve; 20, cannula connector; 21, connecting hose; 22, recovery liquid hose; 23, pressure relief hole; 24, pressure relief button. DETAILED DESCRIPTION

[0032] The technical solutions of the present application will be described below in conjunction with the drawings. Obviously, the described embodiments are some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0033] In the description of the utility model, it needs to explain, the term "center", "upper", "lower", "left", "right", "vertical", "horizontal", "internal", "external" and so on indicate the orientation or positional relationship is based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the device or element must have a specific orientation, a specific orientation and operation, therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0034] In the description of the utility model, it needs to explain, unless otherwise expressly provided and limited, the terms "mounting", "connecting", "connecting" 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, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0035] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0036] As Figures 1-6 The utility model discloses a kind of whole lung lavage connecting devices, including Y-type pipe 6, three through holes of the Y-type pipe 6 are connected with infusion hose 2, connecting hose 21 and recovery liquid hose 22 respectively;The end of the infusion hose 2 away from the Y-type pipe 6 is adapted to communicate with lavage bottle to output lavage fluid, and heating structure 5 is arranged on the infusion hose 2;The end of the connecting hose 21 away from the Y-type pipe 6 is adapted to be connected with tracheal cannula;The end of the recovery liquid hose 22 away from the Y-type pipe 6 is adapted to communicate with liquid recovery bottle to recover lavage fluid, and negative pressure adjusting structure is arranged on one end of the recovery liquid hose 22.

[0037] This whole lung lavage connecting device, by infusion hose 2 to communicate lavage bottle to output the lavage fluid in lavage bottle, by setting heating structure 5 on infusion hose 2, the lavage fluid output from lavage bottle can be heated and kept warm, avoid because long time perfusion and lead to originally warm lavage fluid cooling down, can reduce the risk of complication during operation and postoperative;By recovery liquid hose 22, liquid in pipe is transported to liquid recovery bottle, by setting negative pressure adjusting structure on recovery liquid hose 22, the pressure in recovery liquid hose 22 can be adjusted, guarantee that liquid output is smooth, avoid that recovery liquid hose 22 negative pressure is too large and lead to outlet occlusion and affect liquid recovery efficiency.

[0038] In the embodiment, the infusion tube 2 is provided with the injection needle 1 at one end away from the Y-shaped tube 6, the heating structure 5 is detachably arranged on the infusion tube 2, and the flow adjusting structure 4 is arranged between the injection needle 1 and the heating structure 5. In this way, the device can be applied to infusion of liquid without heating and insulation by detachably arranging the heating structure 5 on different positions of different tubes, and the flow of the lavage liquid can be controlled by arranging the flow adjusting structure 4. Specifically, the drip chamber 3 is arranged between the injection needle 1 and the flow adjusting structure 4.

[0039] In the embodiment, the heating structure 5 includes a fixed jacket arranged around the outer periphery of the infusion tube 2, the fixed jacket is hollow inside, and the heating layer 18 is arranged on the inner wall of the fixed jacket. In this way, the heating layer 18 can be arranged in the fixed jacket around the outer periphery of the infusion tube 2, so that the heating layer 18 can wrap around the outer periphery of the infusion tube 2, thereby heating and insulating the lavage liquid passing through the part of the tube, and the wrapping heating structure 5 can improve the heating and insulating efficiency.

[0040] In the embodiment, the air vent 14 is arranged on the side wall of the fixed jacket, and the self-heating material adapted to heat and radiate after contacting with air is arranged on the heating layer 18. In this way, the air entering from the air vent 14 contacts with the heating layer 18 provided with the self-heating material in the fixed jacket, so that the self-heating material heats and radiates, thereby heating and insulating the lavage liquid passing through the fixed jacket. Specifically, the self-heating material can be iron powder, activated carbon or the like. In an alternative embodiment, the heating layer 18 is detachably arranged in the fixed jacket.

[0041] In the embodiment, the fixed jacket includes a fixed frame connected to the outer peripheral wall of the infusion tube 2, one side of the fixed frame is arranged in an open manner, and the left fixed half jacket 12 and the right fixed half jacket 13 are respectively arranged on the opposite sides of the open side of the fixed frame through the rotating shaft 15. In this way, when the heating layer 18 is detachable, the left fixed half jacket 12 and the right fixed half jacket 13 can be opened to detach and install the heating layer 18.

[0042] Specifically, the left fixed half jacket 12 is provided with the reverse buckle 16 on the side close to the right fixed half jacket 13, and the right fixed half jacket 13 is provided with the groove matched with the reverse buckle 16 on the side close to the left fixed half jacket 12. In this way, the connection tightness of the left fixed half jacket 12 and the right fixed half jacket 13 after being closed can be ensured.

[0043] In the embodiment, the upper and lower ends of the fixed jacket are provided with limiting rings 11. Specifically, the limiting rings 11 are made of rubber. In this way, the fixed jacket can be prevented from slipping off when being sleeved on the hose, and the stability and firmness of the fixed jacket after installation can be ensured.

[0044] In the embodiment, the heating structure 5 further comprises a hose winding rod 17 detachably arranged in the fixed jacket, and the infusion hose 2 is adapted to be wound on the hose winding rod 17. In this way, the infusion hose 2 can be wound on the hose winding rod 17, the length of the infusion hose 2 in the fixed jacket is increased, the heating and insulation area of the infusion hose 2 by the heating structure 5 is increased, and the heating and insulation efficiency of the heating structure 5 is effectively improved. Meanwhile, the left and right fixed half-jackets 12 and 13 are detachably arranged, so that the hose winding rod 17 can be conveniently detached and installed.

[0045] In the embodiment, the oxygen supply pipe 21 is communicated with a tracheal cannula connector 8 at one end away from the Y-shaped pipe 6. The tracheal cannula connector 8 comprises a connecting sleeve 19 and a cannula connector 20 integrally formed at one end of the connecting sleeve 19. The connecting sleeve 19 is communicated with the end of the connecting hose 21, and is adapted to be connected with a cannula.

[0046] In the embodiment, the recovery liquid hose 22 is provided with a suction connector 10 at one end away from the Y-shaped pipe 6. A pressure relief hole 23 is communicated on the side wall of the suction connector 10. In this way, the pressure in the recovery liquid hose 22 communicated with the suction connector 10 can be adjusted through the pressure relief hole 23. When the pressure is too high, the pressure relief hole 23 is opened to release the pressure. When the pressure is normal, the pressure relief hole 23 is blocked.

[0047] Preferably, as shown in Figure 6 The pressure relief button 24 is installed on the pressure relief hole 23. When there is no external force, the pressure relief button 24 blocks the pressure relief hole 23. When pressure relief is needed, the pressure relief button 24 is pressed, and when the pressure relief is completed, the pressure relief button 24 is released.

[0048] Specifically, the recovery liquid hose 22 is provided with a spiral connector 9 away from the Y-shaped pipe 6. The suction connector 10 is detachably connected to the spiral connector 9 through an auxiliary hose. The spiral connector 9 is also adapted to be connected to a syringe. In this way, when the suction connector 10 is damaged or contaminated and needs to be replaced, it is more convenient. Meanwhile, the suction connector 10 can be directly connected to a syringe to facilitate sample collection.

[0049] In the embodiment, as shown in Figure 5As shown, the outer wall of the tube of the infusion tube 2 and the recovery liquid tube 22 is provided with a flow blocking clamp 7. In this way, the flow blocking clamp 7 is adapted to control the flow rate of the infusion tube 2 and the recovery liquid tube 22 and start and stop the liquid flow.

[0050] In summary, the full lung lavage connecting device, by the infusion tube 2 connected to the lavage bottle to output the lavage liquid in the lavage bottle, by setting the heating structure 5 on the infusion tube 2, the lavage liquid output from the lavage bottle can be heated and kept warm, avoid the originally warm lavage liquid cooling due to long time perfusion, can reduce the risk of intraoperative and postoperative complications; by the recovery liquid tube 22 to transport the liquid in the tube to the liquid recovery bottle, by setting the negative pressure adjusting structure on the recovery liquid tube 22, the pressure in the recovery liquid tube 22 can be adjusted to ensure smooth liquid outlet, avoid the recovery liquid tube 22 negative pressure too large to cause the outlet occlusion and affect the liquid recovery efficiency.

[0051] Obviously, the above embodiments are only examples for clearly illustrating, not limiting the embodiments. For those skilled in the art, on the basis of the above description, other different forms of changes or variations can also be made. Here, it is not necessary and impossible to enumerate all the embodiments. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. A total lung lavage connection device, characterized in that The Y-shaped tube (6) is provided with a liquid infusion tube (2), a connecting tube (21) and a recovery liquid tube (22) respectively connected to three through holes of the Y-shaped tube (6); one end of the liquid infusion tube (2) away from the Y-shaped tube (6) is adapted to communicate with a lavage bottle to output lavage liquid, and the liquid infusion tube (2) is provided with a heating structure (5); one end of the connecting tube (21) away from the Y-shaped tube (6) is adapted to connect a tracheal cannula; one end of the recovery liquid tube (22) away from the Y-shaped tube (6) is adapted to communicate with a recovery bottle to recover the lavage liquid, and one end of the recovery liquid tube (22) is provided with a negative pressure adjusting structure.

2. The total lung irrigation connection device according to claim 1, characterized in that The heating structure (5) comprises a fixed jacket covering the outer periphery of a part of the liquid infusion tube (2), the fixed jacket is hollow inside, and a heating layer (18) is arranged on the inner wall of the fixed jacket.

3. The total lung irrigation connection device according to claim 2, characterized in that An air hole (14) is formed in the side wall of the fixed jacket, and the heating layer (18) is provided with a self-heating material adapted to heat and radiate after contacting with air.

4. The total lung irrigation connection device of claim 2, wherein, The fixed jacket comprises a fixed frame connected to the outer peripheral wall of the liquid infusion tube (2), one side of the fixed frame is open, and opposite sides of the open side of the fixed frame are respectively provided with a left fixed half jacket (12) and a right fixed half jacket (13) through a rotating shaft (15).

5. The total lung irrigation connection device according to claim 4, characterized in that The left fixed half jacket (12) is provided with a reverse buckle (16) on the side close to the right fixed half jacket (13), and the right fixed half jacket (13) is provided with a groove matched with the reverse buckle (16) on the side close to the left fixed half jacket (12).

6. The total lung irrigation connection device of claim 4, wherein, The heating structure (5) further comprises a soft tube winding rod (17) detachably arranged in the fixed jacket, and the liquid infusion tube (2) is adapted to be wound on the soft tube winding rod (17).

7. The total lung irrigation connection device of claim 1, wherein, One end of the liquid infusion tube (2) away from the Y-shaped tube (6) is provided with a injection needle (1), the heating structure (5) is detachably arranged on the liquid infusion tube (2), and the liquid infusion tube (2) is provided with a flow adjusting structure between the injection needle (1) and the heating structure (5).

8. The total lung irrigation connection device of claim 1, wherein, The connecting tube (21) is provided with a tracheal cannula connector (8) at one end away from the Y-shaped tube (6), the tracheal cannula connector (8) comprises a connecting sleeve (19) and a cannula connector (20) integrally formed at one end of the connecting sleeve (19), the connecting sleeve (19) communicates with the end of the connecting tube (21), and the connecting sleeve (19) is adapted to connect with a cannula.

9. The total lung irrigation connection device of claim 1, wherein, The recovery liquid tube (22) is provided with a suction connector (10) at one end away from the Y-shaped tube (6), and the suction connector (10) is provided with a pressure relief hole (23) in the side wall.

10. The total lung irrigation connection device of claim 9, wherein, The recovery liquid tube (22) is provided with a spiral connector (9) away from the Y-shaped tube (6), the suction connector (10) is detachably connected to the spiral connector (9) through an auxiliary soft tube, and the spiral connector (9) is also adapted to connect a syringe.