Disposable extracorporeal circulation pipeline converter

Abstract

The utility model discloses a disposable extracorporeal circulation pipeline converter, and relates to the technical field of extracorporeal circulation converters. The side branch pipe is fixedly installed in the center of the top end of the vein pot. The side branch pipe at the top end of the vein pot is mutually connected with an extracorporeal circulation pipeline of a patient and is mutually connected with a hemodialysis machine vein detector through a dialysis machine guide pipe, so that effective detection is carried out in the blood return process, a filter screen in the vein pot can effectively filter blood clots in blood, and the blood clots in the blood can be effectively filtered out. In addition, part of the connecting pipe at the bottom end of the vein pot is placed at the detection part of the hemodialysis machine for air and blood leakage detection, so that the safety and effectiveness of the whole blood return process are ensured, the blood clots are effectively prevented from entering a blood circulation system, and the blood clots are prevented from entering the blood circulation system. And the risk of serious complications such as vascular obstruction and embolism caused by blood clots is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of extracorporeal circulation converters, in particular to a disposable extracorporeal circulation pipeline converter. Background Art

[0002] Dialysis, a technique that utilizes the properties of semipermeable membranes to separate solutes, is widely used in chemistry, biomedicine, pharmaceuticals, and wastewater treatment, and plays a particularly important role in the treatment of patients with renal failure. The dialysis process, based on the selective permeability of a semipermeable membrane, removes waste products, excess water, and certain electrolytes from the blood through mechanisms such as diffusion, convection, and osmotic pressure, thereby purifying the blood and maintaining a stable internal environment.

[0003] During the dialysis process, an extracorporeal circulation circuit converter is used to connect the dialysis machine and the patient. In order to ensure the adaptability during connection, the connecting pipe of the circuit converter will leave a certain amount of redundancy. This redundancy will cause the circuit converter to sag during use, which will cause medical staff to collide with it while walking, which will cause the connection point to loosen, thereby causing adverse effects. Utility Model Content

[0004] The purpose of the present invention is to provide a disposable extracorporeal circulation circuit converter to solve the problems in the above-mentioned background technology.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A disposable extracorporeal circulation tubing converter includes an intravenous pot; a side branch tube, which is fixedly installed at the center of the top of the intravenous pot, a dialyzer catheter is provided on one side of the side branch tube, and the dialyzer catheter is fixedly connected to the top of the intravenous pot, a spare tube is provided on the side of the side branch tube away from the dialyzer catheter, and the spare tube is fixedly connected to the top of the intravenous pot; a connecting tube, one end of the connecting tube is fixedly connected to the bottom end of the intravenous pot, a connector is fixedly installed on the end of the connecting tube away from the intravenous pot, the connecting tube and the connecting assembly are socketed with each other, the connecting assembly includes a fixed bracket, the fixed bracket is socketed on the middle part of the connecting tube, sliding plates are fixedly installed on both sides of the fixed bracket, the fixed brackets are slidably connected to the extension brackets through the sliding plates, and the two extension brackets are snap-fitted with the connecting tube; a filter screen, which is fixedly installed at the inner bottom end of the intravenous pot.

[0007] By adopting the above technical solution, when the device needs to be used for blood dialyzing, it is connected to the dialyzer through the side branch tube, so that the blood can enter the interior of the venous pot, and the dialyzer catheter is connected to the dialyzer venous detector, which can monitor the blood return process in real time, thereby increasing the safety of the device during dialysis. In order to prevent blood clots in the blood from entering the patient's body, a filter for filtering blood is provided at the bottom end of the inner part of the venous pot, which effectively isolates and screens the blood clots before the blood enters the patient's body, thereby increasing the safety and effectiveness of the device during use. The arrangement of the connecting tube and the connecting head facilitates connection with the patient, and in order to ensure that the connecting tube can be connected to the patient In order to make an effective connection, the length of the connecting tube is long, which causes the connecting tube to droop during use, thereby increasing the circulation resistance of blood during circulation, which is not conducive to blood circulation. In addition, the drooping of the connecting tube causes medical staff to collide with it while walking, which will cause the connection point to loosen, thereby causing adverse effects. Therefore, the device is provided with a connecting component for limiting the surplus connecting tube, which can effectively clamp the surplus connecting tube on both sides of the fixed bracket and the expansion bracket, effectively and reasonably limit the position of the connecting tube, and further increase the safety and convenience of the device during use.

[0008] A further improvement of the technical solution of the utility model is that a venous clamp is sleeved on the dialysis machine catheter and the spare tube.

[0009] By adopting the above technical solution, the setting of the venous clamp can effectively control the flow rate and circulation of blood, further increasing the controllability of the device during use.

[0010] A further improvement of the technical solution of the present utility model is that: the connecting component also includes a guide groove, which is opened at one end of the extension bracket close to the fixed bracket, and a limiting rod is symmetrically fixedly installed inside the extension bracket, and the limiting rod is slidably connected to the sliding plate, and a number of protrusions are equidistantly fixedly installed on both sides of the sliding plate, and the side walls of the guide groove are equidistantly opened with mating grooves that engage with the protrusions.

[0011] By adopting the above technical solution, when it is necessary to limit the connecting tube, the user can choose to extend the extension brackets at both ends of the fixed bracket according to the actual length of the connecting tube. When the two extension brackets need to be extended, the user only needs to pull the two extension brackets in opposite directions. The sliding plates provided at both ends of the fixed bracket can enable the extension bracket to move a certain distance along the sliding plate, so that the connecting component can increase the limit length of the connecting tube through the mutual cooperation between the fixed bracket and the two extension brackets, further increasing the adjustability and length adaptability of the connecting component during use, making it more convenient for users to use. In order to increase the adjustability of the extension bracket during sliding, protrusions are provided on both sides of the sliding plate and mating grooves are provided inside the extension bracket that engage with the protrusions, so that the extension bracket can be expanded and adjusted according to actual usage requirements when sliding. In addition, in order to make the sliding plate and the extension bracket more stable when sliding, limiting rods that are slidably connected to the sliding plate are symmetrically provided inside the extension bracket, further increasing the stability of the device during use.

[0012] A further improvement of the technical solution of the present utility model is that both ends of the fixed bracket and the extended bracket are provided with clamping claws that engage with the connecting pipe.

[0013] By adopting the above technical solution, the clamping claws provided on both sides of the fixed bracket and the extended bracket can effectively limit the position of the connecting pipe, thereby preventing the connecting pipe from sagging during use.

[0014] A further improvement of the technical solution of the present invention is that a guide groove is provided on one side of the limiting rod, and limiting blocks are provided at both ends of the sliding plate and are slidably connected and matched with the guide groove of the limiting rod.

[0015] By adopting the above technical solution, the guide groove on one side of the limiting rod cooperates with the limiting block at the end of the sliding plate to increase the sliding fit between the two, further increasing the sliding fit and stability of the sliding plate and the extension bracket.

[0016] A further improvement of the technical solution of the present utility model is that lightweight grooves are symmetrically arranged on the extension bracket.

[0017] By adopting the above technical solution, the setting of the lightweight slot on the extension bracket can reduce the weight of the extension bracket, avoid the connection component being too heavy and causing the connecting tube to sag downward, and reduce the discomfort of the patient when wearing it.

[0018] A further improvement of the technical solution of the present invention is that mounting seats are symmetrically fixedly installed on both sides of the fixing bracket, and a suction cup is fixedly installed on one end of the mounting seat away from the fixing bracket.

[0019] By adopting the above technical solution, in order to keep the position of the connecting component restricted during use, suction cups are fixedly installed on both sides of the fixed bracket through the mounting seat. The suction cups can be adsorbed to the surface of the dialysis machine, so that the position of the connecting component will not move at will, further increasing the safety of the device during use.

[0020] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0021] 1. In the present invention, the side branch tube at the top of the venous pot is connected to the patient's extracorporeal circulation pipeline, and is connected to the venous detector of the hemodialysis machine through the dialysis machine catheter, so that effective detection can be performed during the blood return process. Moreover, the filter inside the venous pot can effectively filter the blood clots in the blood to prevent the blood clots from returning to the patient's body through the pipeline. In addition, part of the connecting tube at the bottom of the venous pot is placed in the detection part of the hemodialysis machine for air and blood leakage detection, thereby ensuring the safety and effectiveness of the entire blood return process, effectively preventing blood clots from entering the blood circulation system, reducing the risk of serious complications such as vascular obstruction and embolism caused by blood clots, and further improving the overall safety and health recovery speed of the patient's dialysis treatment.

[0022] 2. The present invention, through the setting of the connecting component and the combined use of the fixed bracket and the expansion bracket, not only firmly fixes the redundant connecting tubes, but also allows the position and angle of the fixed bracket and the expansion bracket to be adjusted according to actual needs, thereby ensuring the stability of the pipeline during hemodialysis and greatly reducing the risk of medical accidents caused by pipeline shaking or falling off. In addition, the setting of the connecting component also increases the patient's comfort and freedom of movement, reduces the inconvenience to the patient's daily activities, and the convenient connection and fixing mechanism reduces the time and energy required for medical staff to adjust and maintain the pipeline, allowing them to focus more on the patient's clinical monitoring and nursing work, thereby improving the overall medical work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings.

[0024] Figure 1 The structure diagram of the overall device of the utility model is as follows Figure 1 ;

[0025] Figure 2 The structure diagram of the overall device of the utility model is as follows Figure 2 ;

[0026] Figure 3 This is a schematic diagram of the structure of the venous kettle of the present invention;

[0027] Figure 4 This is a schematic structural diagram of the connection assembly of the utility model;

[0028] Figure 5 This is a schematic diagram of the internal structure of the connection component of the utility model Figure 1 ;

[0029] Figure 6 This is a schematic diagram of the internal structure of the connection component of the utility model Figure 2 .

[0030] In the figure: 1. Intravenous pot; 2. Side branch tube; 3. Dialysis machine catheter; 4. Spare tube; 5. Intravenous clamp; 6. Connecting tube; 7. Connector; 8. Fixed bracket; 9. Sliding plate; 10. Extension bracket; 11. Guide groove; 12. Limiting rod; 13. Bump; 14. Matching groove; 15. Lightweight slot; 16. Mounting seat; 17. Suction cup; 18. Filter. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below with reference to the embodiments:

[0032] Example 1

[0033] like Figures 1-6 As shown, the utility model provides a disposable extracorporeal circulation pipeline converter, including an intravenous pot 1; a side branch tube 2, which is fixedly installed at the top center of the intravenous pot 1, and a dialyzer catheter 3 is provided on one side of the side branch tube 2, and the dialyzer catheter 3 is fixedly connected to the top of the intravenous pot 1, and a spare tube 4 is provided on the side of the side branch tube 2 away from the dialyzer catheter 3, and the spare tube 4 is fixedly connected to the top of the intravenous pot 1; a connecting tube 6, one end of the connecting tube 6 is fixedly connected to the bottom end of the intravenous pot 1, and a connector 7 is fixedly installed on the end of the connecting tube 6 away from the intravenous pot 1, and the connecting tube 6 and the connecting assembly are socketed with each other, and the connecting assembly includes a fixed bracket 8, which is socketed on the middle part of the connecting tube 6, and sliding plates 9 are fixedly installed on both sides of the fixed bracket 8, and the fixed bracket 8 is slidably connected to the extension bracket 10 through the sliding plate 9, and the two extension brackets 10 are snap-fitted with the connecting tube 6; a filter screen 18, which is fixedly installed on the inner bottom end of the intravenous pot 1.

[0034] In this embodiment, when the hemodialysis machine has a high venous pressure limit and an air alarm, it is determined that blood coagulation has occurred in the venous pot pipeline. At this time, the medical staff connects the side branch tube 2 at the top of the venous pot 1 with the patient's extracorporeal circulation pipeline, and connects it to the hemodialysis machine vein detector through the dialyzer catheter 3, so that effective detection can be performed during the blood return process. In addition, the filter 18 inside the venous pot 1 can effectively filter the blood clots in the blood to prevent the blood clots from returning to the patient's body through the pipeline. In addition, part of the connecting tube 6 at the bottom end of the venous pot 1 is placed in the hemodialysis machine detection part to detect air and blood leakage, thereby ensuring the safety and effectiveness of the entire blood return process. In order to ensure that the connecting tube 6 can be connected to the In order to make an effective connection to the patient, the length of the connecting tube 6 is relatively long, which causes the connecting tube 6 to droop during use, thereby increasing the circulation resistance of blood during circulation, which is not conducive to blood circulation. In addition, the drooping of the connecting tube 6 causes medical staff to collide with it when walking back and forth, which will cause the connection point to loosen, thereby causing adverse effects. Therefore, the device is provided with a connecting component for limiting the surplus connecting tube 6, which can effectively clamp the surplus connecting tube 6 on both sides of the fixed bracket 8 and the expansion bracket 10, effectively and reasonably restricting the position of the connecting tube 6, and further increasing the safety and convenience of the device during use.

[0035] Example 2

[0036] like Figure 1-Figure 3 As shown, based on Example 1, the present invention provides a technical solution: preferably, a venous clamp 5 is sleeved on the dialysis machine catheter 3 and the spare tube 4.

[0037] In this embodiment, the provision of the venous clamp 5 can effectively control the flow rate and fluidity of the blood, further increasing the maneuverability of the device during use.

[0038] like Figure 4-Figure 6 As shown, preferably, the connecting assembly further comprises a guide groove 11, which is provided at one end of the extension bracket 10 close to the fixed bracket 8, and a limiting rod 12 is symmetrically fixedly installed inside the extension bracket 10, and the limiting rod 12 is slidingly connected to the sliding plate 9, and a number of protrusions 13 are fixedly installed at equal distances on both sides of the sliding plate 9, and the side walls of the guide groove 11 are equidistantly provided with mating grooves 14 that are snap-fitted with the protrusions 13.

[0039] In this embodiment, when it is necessary to limit the connecting tube 6, the user can choose to extend the extension brackets 10 at both ends of the fixed bracket 8 according to the actual length of the connecting tube 6. When the two extension brackets 10 need to be extended, the user only needs to pull the two extension brackets 10 in opposite directions. The sliding plates 9 provided at both ends of the fixed bracket 8 can allow the extension bracket 10 to move a certain distance along the sliding plates 9, so that the connecting component can increase the limit length of the connecting tube 6 through the cooperation between the fixed bracket 8 and the two extension brackets 10, further increasing the adjustability and length adaptability of the connecting component during use, making it more convenient for users to use. In order to increase the adjustability of the extension bracket 10 during sliding, protrusions 13 are provided on both sides of the sliding plate 9 and a matching groove 14 is provided inside the extension bracket 10 to engage with the protrusion 13, so that the extension bracket 10 can be expanded and adjusted according to actual use needs during sliding. In addition, in order to make the sliding plate 9 and the extension bracket 10 more stable during sliding, a limiting rod 12 is symmetrically provided inside the extension bracket 10 for sliding connection with the sliding plate 9, further increasing the stability of the device during use.

[0040] Example 3

[0041] like Figure 4-Figure 6 As shown, based on Example 1, the present invention provides a technical solution: preferably, both ends of the fixed bracket 8 and the extended bracket 10 are provided with clamping claws that engage with the connecting pipe 6.

[0042] In this embodiment, the clamping claws provided on both sides of the fixed bracket 8 and the extended bracket 10 can effectively limit the position of the connecting tube 6 to prevent the connecting tube 6 from sagging during use.

[0043] like Figure 6 As shown, preferably, a guide groove is provided on one side of the limiting rod 12, and limiting blocks that are slidably connected and matched with the guide groove of the limiting rod 12 are provided at both ends of the sliding plate 9.

[0044] In this embodiment, the guide groove on one side of the limiting rod 12 cooperates with the limiting block at the end of the sliding plate 9 to increase the sliding fit between the two, further increasing the sliding fit and stability of the sliding plate 9 and the extension bracket 10.

[0045] Example 4

[0046] like Figure 6 As shown, based on Example 1, the present invention provides a technical solution: preferably, lightweight slots 15 are symmetrically provided on the extension bracket 10 .

[0047] In this embodiment, the provision of the lightweight slot 15 on the extension bracket 10 can reduce the weight of the extension bracket 10, avoid the connection component being too heavy and causing the connection tube 6 to sag downward, and reduce the discomfort of the patient when wearing it.

[0048] like Figure 5 As shown, preferably, mounting seats 16 are symmetrically fixedly installed on both sides of the fixing bracket 8, and a suction cup 17 is fixedly installed on one end of the mounting seat 16 away from the fixing bracket 8.

[0049] In this embodiment, in order to keep the position of the connecting component restricted during use, suction cups 17 are fixedly installed on both sides of the fixed bracket 8 through the mounting seat 16. The suction cups 17 can be adsorbed to the surface of the dialysis machine so that the position of the connecting component will not move at will, further increasing the safety of the device during use.

[0050] The working principle of the disposable extracorporeal circulation circuit converter is described in detail below.

[0051] like Figures 1-6 As shown, when the hemodialysis machine has a high venous pressure limit and an air alarm, it is determined that coagulation has occurred in the venous pot pipeline. At this time, the medical staff connects the side branch tube 2 at the top of the venous pot 1 with the patient's extracorporeal circulation pipeline, and connects it to the hemodialysis machine venous detector through the dialyzer catheter 3, so that effective detection can be performed during the blood return process. In addition, the filter 18 inside the venous pot 1 can effectively filter the blood clots in the blood to prevent the blood clots from returning to the patient's body through the pipeline. In addition, part of the connecting tube 6 at the bottom end of the venous pot 1 is placed in the hemodialysis machine detection part to detect air and blood leakage, thereby ensuring the safety and effectiveness of the entire blood return process. The device is provided with a connecting component for limiting the surplus connecting tube 6. The user can choose to expand and extend the extension brackets 10 at both ends of the fixed bracket 8 according to the actual length of the connecting tube 6. At this time, the user only needs to move the two extension brackets 10 along The cam 12 is a substantially parallel track 14 that is formed on the support rails 11 and 12 and is adapted to move the support rails 10 relative to the support rails 11. The cam 12 is a substantially parallel track 14 that is adapted to move the support rails 10 relative to the support rails 11. The cam 12 is a substantially parallel track 14 that is adapted to move the support rails 10 relative to the support rails 11.

[0052] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A disposable extracorporeal circulation circuit converter, characterized in that: include: IV pot (1); A side branch tube (2), the side branch tube (2) being fixedly mounted at the center of the top end of the venous pot (1), a dialyzer catheter (3) being provided on one side of the side branch tube (2), and the dialyzer catheter (3) being fixedly connected to the top end of the venous pot (1), a spare tube (4) being provided on the side of the side branch tube (2) away from the dialyzer catheter (3), and the spare tube (4) being fixedly connected to the top end of the venous pot (1); A connecting tube (6), one end of the connecting tube (6) is fixedly connected to the bottom end of the intravenous pot (1), a connector (7) is fixedly installed on the end of the connecting tube (6) away from the intravenous pot (1), the connecting tube (6) and the connecting assembly are sleeved with each other, the connecting assembly includes a fixed bracket (8), the fixed bracket (8) is sleeved on the middle part of the connecting tube (6), sliding plates (9) are fixedly installed on both sides of the fixed bracket (8), the fixed bracket (8) is slidably connected to the extension bracket (10) through the sliding plate (9), and the two extension brackets (10) are snap-fitted with the connecting tube (6); A filter screen (18) is fixedly mounted on the inner bottom end of the intravenous pot (1).

2. The disposable extracorporeal circulation circuit converter according to claim 1, characterized in that: A venous clamp (5) is sleeved on the dialysis machine catheter (3) and the spare tube (4).

3. The disposable extracorporeal circulation circuit converter according to claim 2, characterized in that: The connecting assembly further comprises a guide groove (11), wherein the guide groove (11) is provided at one end of the extension bracket (10) close to the fixed bracket (8), a limiting rod (12) is symmetrically fixedly installed inside the extension bracket (10), and the limiting rod (12) is slidably connected to the sliding plate (9), and a plurality of protrusions (13) are fixedly installed at equal intervals on both sides of the sliding plate (9), and the side walls of the guide groove (11) are provided with matching grooves (14) at equal intervals for engaging with the protrusions (13).

4. The disposable extracorporeal circulation circuit converter according to claim 3, characterized in that: Both ends of the fixed bracket (8) and the extended bracket (10) are provided with clamping claws that engage with the connecting pipe (6).

5. The disposable extracorporeal circulation circuit converter according to claim 4, characterized in that: A guide groove is provided on one side of the limiting rod (12), and limiting blocks are provided at both ends of the sliding plate (9) and are slidably connected to the guide groove of the limiting rod (12).

6. The disposable extracorporeal circulation circuit converter according to claim 5, characterized in that: Lightweight slots (15) are symmetrically arranged on the extension bracket (10).

7. The disposable extracorporeal circulation circuit converter according to claim 6, characterized in that: Mounting seats (16) are symmetrically fixedly mounted on both sides of the fixed bracket (8), and a suction cup (17) is fixedly mounted on one end of the mounting seat (16) away from the fixed bracket (8).

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