Continuous kidney replacement therapy pipeline device with front degassing kettle

Abstract

The utility model discloses a continuous kidney replacement therapy pipeline device with a front degassing kettle. The continuous kidney replacement therapy pipeline device comprises a pipeline disc body structure and a pipeline body wound on the pipeline disc body structure. A degassing kettle module is arranged at one end of the pipeline body, and the degassing kettle module is arranged at the outlet end of the pipeline disc body structure; the degassing kettle module comprises a kettle body, a first blood guide tube and an extension guide tube, the first blood guide tube is communicated with the bottom of the kettle body and is provided with a blood inlet port, the extension guide tube is arranged at the top in the kettle body, and the bottom end of the extension guide tube extends to the lower part of the kettle body and a certain distance is reserved. According to the utility model, bubbles entering the filter can be effectively filtered through the added degassing kettle module, the effectiveness and the safety of treatment are ensured, meanwhile, the pipeline body is orderly coiled on the pipeline disc body structure by combining with the arranged pipeline disc body structure, and the degassing kettle module is attached to the outlet end of the pipeline disc body structure, so that the degassing effect is improved. The pipeline body can be coiled in order.

Description

Technical Field

[0001] This utility model relates to the field of medical device technology, specifically to a continuous renal replacement therapy tubing device with a pre-emptive degassing chamber. Background Technology

[0002] Continuous renal replacement therapy (CRRT) is one of the most commonly used blood purification techniques in critical care, mimicking the filtration principle of the glomerulus. It removes solutes through two mechanisms: convection and diffusion. Arterial or venous blood is introduced into a semi-permeable membrane filter with good permeability, where water and dissolved low- to medium-molecular-weight solutes in the plasma are removed via convection.

[0003] However, in clinical use, once air bubbles enter the filter, they are difficult to remove, posing safety hazards and operational inconvenience to clinical treatment. Utility Model Content

[0004] The purpose of this invention is to provide a continuous renal replacement therapy tubing device with a pre-emptive degassing chamber. By adding a degassing chamber module, incoming air bubbles can be effectively filtered out, ensuring the effectiveness and safety of the treatment. At the same time, combined with the set tubing disc structure, the tubing body is orderly wound on the tubing disc structure, and the degassing chamber module is attached to the outlet end of the tubing disc structure, which makes the tubing body orderly wound and avoids the possibility of tangling and knotting.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a continuous renal replacement therapy tubing device with a pre-emptive degassing chamber, comprising: a tubing disc structure, and a tubing body wound around the tubing disc structure; a degassing chamber module is provided at one end of the tubing body, the degassing chamber module being located at the outlet end of the tubing disc structure; the degassing chamber module includes a chamber body, a first guide vessel, the first guide vessel being connected to the bottom of the chamber body and having a bleeding port, and an extension conduit being provided at the top of the chamber body, the bottom end of the extension conduit extending to the lower part of the chamber body with a certain distance remaining, and the bottom end of the extension conduit being located below the top of the bleeding port; it also includes a second guide vessel connected to the top of the chamber body, the second guide vessel extending into the chamber body and connected to the extension conduit.

[0006] Preferably, it also includes a first branch pipe and a second branch pipe communicating with the top of the kettle body. The first branch pipe and the second branch pipe have the same structure. The first branch pipe includes a branch pipe and a second interface cap disposed on the branch pipe away from the kettle body port. The end of the branch pipe near the second interface cap is provided with a winged inner conical joint and a first flow stop clamp disposed on the branch pipe.

[0007] Preferably, the second guide vessel is provided with a first interface cover at its front end and a winged arteriovenous connector on the second guide vessel.

[0008] Preferably, the pipeline disc structure includes a disc body and a plurality of pipeline cavities disposed on the disc body. The plurality of pipeline cavities form a pipeline channel on the disc body, and a plurality of pipe clamps are provided on the formed pipeline channel for limiting and fixing the pipeline body.

[0009] Preferably, the kettle body may be provided with a fixing tape for adhering to the plate body.

[0010] Preferably, the tubing body includes a puncture needle head and a three-way flushing connector connected to the puncture needle head. The three-way flushing connector is connected to a sixth treatment pathway and a fifth treatment pathway away from the puncture needle head. The fifth treatment pathway is connected to a fifth guide vessel. A second stop clamp is provided on the fifth guide vessel, and a second pressure gauge is provided at the end of the fifth guide vessel away from the fifth treatment pathway. The second pressure gauge is connected to a pump seat, a pump tube, and a fourth guide vessel in sequence through a conduit. A three-way valve is provided at the end of the fourth guide vessel away from the pump seat. The end of the three-way valve away from the fourth guide vessel is also connected to a first pressure gauge. The first pressure gauge is provided with a first T-shaped three-way fitting through a third guide vessel. The first guide vessel is connected to the horizontal end of the first T-shaped three-way fitting.

[0011] Preferably, the puncture needle head includes a threaded pre-punch needle, the front end of which is provided with a puncture device protective sleeve, and the rear end of which is connected to a locking connector. The three-way flushing connector is connected to the end of the outer conical connector away from the locking connector, and the three-way flushing connector is provided with an outer conical connector.

[0012] Preferably, the fifth guide vessel is further provided with a four-way connector, the top of which is provided with a silicone puncture port for collecting blood samples, and a fourth treatment pathway connected to the bottom of the four-way connector. It also includes a second T-shaped three-way fitting provided in the middle of the fifth guide vessel, and a third treatment pathway connected to the second T-shaped three-way fitting.

[0013] Preferably, the bottom of the first T-shaped tee fitting is connected to a second treatment pathway.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0015] This invention incorporates a degassing chamber module within the tubing body. Blood enters through a first guide vessel and exits through a second guide vessel. When gas is present, the blood and gas are separated due to the extension catheter and the bleeding port. Pure blood resides in the lower part of the chamber, while gas resides in the upper part. The extension catheter serves as a flow channel connecting the blood, which is ultimately discharged through the second guide vessel. The gas collected in the upper part of the chamber is periodically discharged through the first and second branch pipes on both sides. The added degassing chamber module effectively filters out incoming air bubbles, ensuring the effectiveness and safety of the treatment. Simultaneously, the integrated tubing disc structure allows the tubing body to be coiled orderly around it, with the degassing chamber module attached to the outlet end of the disc structure. Supported by the disc structure, this provides a foundation for the bottom-up venting process of the degassing chamber module. Furthermore, the orderly coiling of the tubing body prevents tangling and knotting, further enhancing the safety of the treatment. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the degassing kettle module of this utility model;

[0017] Figure 2 for Figure 1 Schematic diagram of the first branch pipeline structure;

[0018] Figure 3 This is a schematic diagram of the assembly structure of the degassing tank module and the pipeline body of this utility model;

[0019] Figure 4 This is a schematic diagram of the degassing tank module and the pipeline body of this utility model assembled on the pipeline disc structure.

[0020] In the diagram: 111, vessel body; 112, first guide vessel; 113, port; 114, extension catheter; 115, second guide vessel; 116, winged arteriovenous connector; 117, first interface cap; 118, first branch line; 119, second branch line;

[0021] 1181. Branch pipe; 1182. First flow stop clamp; 1183. Conical connector with wing; 1184. Second interface cover;

[0022] 211. First T-shaped tee fitting; 213. Second treatment access line; 214. Third guide tube; 215. First pressure gauge; 216. Three-way valve; 217. Fourth guide tube; 218. Pump tubing; 219. Pump base; 220. Second pressure gauge; 221. Second T-shaped tee fitting; 222. Third treatment access line; 223. Four-way connector; 2231. Silicone puncture port; 224. Fourth treatment access line; 225. Fifth guide tube; 226. Second stop clamp; 227. Fifth treatment access line; 228. Sixth treatment access line; 229. Three-way flushing connector; 230. External conical connector; 231. Threaded pre-flush needle; 232. Puncture device protective sleeve; 233. Locking connector;

[0023] 311. Panel; 312. Pipe clamp; 313. Pipe cavity;

[0024] 413. Fixing tape. Detailed Implementation

[0025] In the description of this utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. The various embodiments of this utility model are described in detail below with reference to the accompanying drawings.

[0026] Example 1

[0027] Please see Figures 1 to 4 The present invention preferably provides the following technical solution: a continuous renal replacement therapy tubing device with a pre-emptive degassing chamber, comprising: a tubing disc structure and a tubing body wound around the tubing disc structure; a degassing chamber module is provided at one end of the tubing body, the degassing chamber module being located at the outlet end of the tubing disc structure; the degassing chamber module includes a chamber body 111, a first guide vessel 112, the first guide vessel 112 being connected to the bottom of the chamber body 111 and having a bleeding port 113, and an extension conduit 114 being provided at the top of the chamber body 111, the bottom end of the extension conduit 114 extending to the lower part of the chamber body 111 with a certain distance remaining, and the bottom end of the extension conduit 114 being located below the top of the bleeding port 113; it also includes a second guide vessel 115 connected to the top of the chamber body 111, the second guide vessel 115 extending into the interior of the chamber body 111 and connected to the extension conduit 114.

[0028] In this application, a degassing tank module is installed in the pipeline body. The degassing tank module has a simple structural design, such as... Figure 1As shown, blood enters through the first guide vessel 112 and exits through the second guide vessel 115. When gas is present, due to the arrangement of the extension catheter 114 and the bleeding port 113, the blood and gas are separated. The pure blood is placed in the lower part of the vessel body 111, while the gas is placed in the upper part of the vessel body 111. The extension catheter 114 serves as a flow channel connecting the blood, and the gas is finally discharged through the second guide vessel 115. The gas gathered in the upper part of the vessel body 111 can be effectively filtered out by the added degassing module, ensuring the effectiveness and safety of the treatment. At the same time, combined with the set tubing disc structure, the tubing body is orderly coiled on the tubing disc structure, and the degassing module is attached to the outlet end of the tubing disc structure. Under the support of the tubing disc structure, the degassing module provides a basis for the bottom-up degassing process of the degassing module. At the same time, it makes the tubing body orderly coiled, avoiding the possibility of tangling and knotting, further improving the safety of the treatment.

[0029] Furthermore, it also includes a first branch pipe 118 and a second branch pipe 119 connected to the top of the kettle body 111. The first branch pipe 118 and the second branch pipe 119 have the same structure. The first branch pipe 118 includes a branch pipe 1181 and a second interface cover 1184 disposed on the branch pipe 1181 away from the port of the kettle body 111. The end of the branch pipe 1181 near the second interface cover 1184 is provided with a winged inner conical connector 1183 and a first flow stop clamp 1182 disposed on the branch pipe 1181.

[0030] Through the first branch pipe 118 and the second branch pipe 119, such as Figure 1 , 2 As shown in Figure 3, as a branch of the pot body 111, it can be used as an inlet for injecting medicine or other treatments. On the other hand, it can be connected to a syringe. Specifically, when gas accumulates in the upper part of the pot body 111, the channels of the first branch pipe 118 and the second branch pipe 119 can be opened and the syringe can be connected to expel the air by drawing it out with the syringe.

[0031] Furthermore, the second guide vessel 115 is provided with a first interface cover 117 at its front end, and a winged arteriovenous connector 116 provided on the second guide vessel 115. This connector can be directly used as a return pipeline connecting the artery and vein.

[0032] Example 2

[0033] As another embodiment of the present invention, the pipeline disc structure includes a disc body 311 and a plurality of pipeline cavities 313 disposed on the disc body 311. The plurality of pipeline cavities 313 form a pipeline channel on the disc body 311, and a plurality of pipe clamps 312 are provided on the formed pipeline channel for limiting and fixing the pipeline body.

[0034] Furthermore, a fixing tape 413 may be provided on the pot body 111 for adhering to the plate body 311.

[0035] In this embodiment, through a further configured pipe disc structure, such as Figure 4 As shown, under the action of the pipeline cavity 313, several orderly pipe channels can be formed on the disc body 311. With the help of several pipe clamps 312 set on each channel, the pipe body can be wound and fixed in an orderly manner. At the same time, at the outlet end of the disc body 311, the pipe body and its degassing bottle module can be placed on the disc body 311 by the fixing tape 413 on the bottle body 111.

[0036] Example 3

[0037] In another embodiment of this utility model, the pipeline body includes a puncture needle head and a three-way flushing connector 229 connected to the puncture needle head. The three-way flushing connector 229 is connected to a sixth treatment channel 228 and a fifth treatment channel 227 away from the puncture needle head. The fifth treatment channel 227 is connected to a fifth guide vessel 225. A second flow stop clamp 226 is provided on the fifth guide vessel 225, and a second measuring clamp is provided at the end of the fifth guide vessel 225 away from the fifth treatment channel 227. The pressure gauge 220 is connected in sequence to a pump base 219, a pump tube 218, and a fourth guide tube 217 via a conduit. A three-way valve 216 is provided at the end of the fourth guide tube 217 away from the pump base 219. The end of the three-way valve 216 away from the fourth guide tube 217 is also connected to a first pressure gauge 215. The first pressure gauge 215 is provided with a first T-shaped three-way fitting 211 via a third guide tube 214. The first guide tube 112 is connected to the horizontal end of the first T-shaped three-way fitting 211.

[0038] In this embodiment, a pipeline body structure is provided, such as Figure 3 As shown, the pump base 219 and pump tube 218 provide power for blood transfusion, and the second pressure sensor 220 and the first pressure sensor 215, which are respectively placed at the front and rear ends of the pump base 219, can measure the pressure in the blood circuit and monitor the treatment process.

[0039] Furthermore, the puncture needle head includes a threaded pre-punch needle 231, the front end of which is provided with a puncture device protective sleeve 232, and the rear end of the threaded pre-punch needle 231 is connected to a locking connector 233. A three-way flushing connector 229 is connected to the end of the outer conical connector 230 away from the locking connector 233, and the three-way flushing connector 229 is provided with an outer conical connector 230.

[0040] Furthermore, the fifth guide vessel 225 is also provided with a four-way connector 223, the top of which is provided with a silicone puncture port 2231 for use as an interface for collecting blood samples, and a fourth treatment access 224 connected to the bottom of the four-way connector 223. It also includes a second T-shaped three-way fitting 221 located in the middle of the fifth guide vessel 225, and a third treatment access 222 connected to the second T-shaped three-way fitting 221.

[0041] As a further arrangement of the pipeline, such as Figure 3 As shown, a four-way connector 223 is provided in the fifth guide vessel 225 segment, and a fourth treatment access 224 and a silicone puncture port 2231 are extended therefrom. The silicone puncture port 2231 can be used as an interface for collecting blood samples. After the fourth treatment access 224 is opened, it can be used as another access interface for partial treatment. Through the further connected second T-shaped three-way fitting 221 and third treatment access 222, it can be used as other access interfaces for partial treatment, further enriching the functionality and practicality of the pipeline.

[0042] Furthermore, the bottom of the first T-shaped tee fitting 211 is connected to a second treatment access 213, where heparin plays an anticoagulant role. When the second treatment access 213 is opened, it can be used as a pipeline for heparin injection to prevent blood clotting.

[0043] Other embodiments obtained by those skilled in the art without inventive effort are all within the scope of protection of this utility model. Furthermore, all connections / linkages mentioned herein do not refer solely to direct contact between components, but rather to the possibility of creating a superior connection structure by adding or removing connecting accessories, depending on the specific implementation.

[0044] The above description of the specific embodiments of this utility model is only used to further illustrate this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-essential improvements and adjustments made to this utility model by technical engineers based on the above description of the utility model shall fall within the scope of protection of this utility model.

Claims

1. A continuous renal replacement therapy tubing device with a pre-emptive degassing chamber, characterized in that, include: Pipe disc structure, and pipe body wound around the pipe disc structure; A degassing tank module is provided at one end of the pipeline body, and the degassing tank module is located at the outlet end of the pipeline disc structure; The degassing kettle module includes a kettle body (111), a first guide vessel (112), the first guide vessel (112) being connected to the bottom of the kettle body (111) and having a port (113), and an extension tube (114) being disposed at the top of the kettle body (111). The bottom end of the extension tube (114) extends to the lower part of the kettle body (111) with a certain distance, and the bottom end of the extension tube (114) is positioned below the top of the port (113). And a second guide vessel (115) communicating with the top of the pot body (111), the second guide vessel (115) extending into the interior of the pot body (111) and communicating with the extension conduit (114).

2. The continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 1, characterized in that: It also includes a first branch pipe (118) and a second branch pipe (119) that are connected to the top of the kettle body (111). The first branch pipe (118) and the second branch pipe (119) have the same structure. The first branch pipe (118) includes a branch pipe (1181) and a second interface cap (1184) disposed on the branch pipe (1181) away from the port of the kettle body (111). The end of the branch pipe (1181) near the second interface cap (1184) is provided with a winged inner conical connector (1183) and a first flow stop clamp (1182) disposed on the branch pipe (1181).

3. The continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 1, characterized in that: The second guide vessel (115) is provided with a first interface cover (117) at its front end, and a winged arteriovenous connector (116) provided on the second guide vessel (115).

4. The continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 1, characterized in that: The pipeline disc structure includes a disc (311) and a plurality of pipeline cavities (313) disposed on the disc (311). The plurality of pipeline cavities (313) form a pipeline channel on the disc (311), and a plurality of pipe clamps (312) are provided on the formed pipeline channel for limiting and fixing the pipeline.

5. A continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 1, characterized in that: The pot body (111) may be provided with a fixing tape (413) for adhering to the plate body (311).

6. A continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 1, characterized in that: The tubing body includes a puncture needle head and a three-way flushing connector (229) connected to the puncture needle head. The three-way flushing connector (229) is connected to a sixth treatment pathway (228) and a fifth treatment pathway (227) away from the puncture needle head. The fifth treatment pathway (227) is connected to a fifth guide vessel (225). A second flow stop clamp (226) is provided on the fifth guide vessel (225), and a second pressure gauge (220) is provided at the end of the fifth guide vessel (225) away from the fifth treatment pathway (227). (220) A pump seat (219), a pump tube (218) and a fourth guide tube (217) are connected in sequence through a conduit. A three-way valve (216) is provided at the end of the fourth guide tube (217) away from the pump seat (219). A first pressure sensor (215) is also connected at the end of the three-way valve (216) away from the fourth guide tube (217). A first T-shaped three-way fitting (211) is provided at the first pressure sensor (215) through a third guide tube (214). The first guide tube (112) is connected to the horizontal end of the first T-shaped three-way fitting (211).

7. A continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 6, characterized in that: The head of the puncture needle includes a threaded pre-punch needle (231), the front end of which is provided with a puncture device protective sleeve (232), and the rear end of which is connected to a locking connector (233). The three-way flushing connector (229) is connected to the end of the outer conical connector (230) away from the locking connector (233), and the three-way flushing connector (229) is provided with an outer conical connector (230).

8. A continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 6, characterized in that: The fifth guide vessel (225) is also provided with a four-way connector (223), the top of which is provided with a silicone puncture port (2231) for use as an interface for collecting blood samples, and a fourth sub-treatment pathway (224) connected to the bottom of the four-way connector (223). It also includes a second T-shaped three-way fitting (221) located in the middle of the fifth guide vessel (225), and a third sub-treatment pathway (222) connected to the second T-shaped three-way fitting (221).

9. A continuous renal replacement therapy tubing device with a pre-emptive degassing chamber according to claim 6, characterized in that: The bottom of the first T-shaped tee fitting (211) is connected to a second treatment access (213).

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