Hemodialysis pipeline arteriovenous pot capable of preventing blood clot blockage

Abstract

The utility model discloses a hemodialysis pipeline arteriovenous pot capable of preventing blood clot blockage, which comprises a pot body and an injector, the upper end of the pot body is connected with a blood inlet pipe, an air discharge pipe, a pressure monitoring pipe and a blood clot discharge pipe, the lower end of the pot body is connected with a blood outlet pipe, and an upper filter screen and a lower filter screen are arranged in the pot body. The blood inlet pipe and the blood clot discharge pipe are located on the upper side of the upper filter screen, the air discharge pipe, the pressure monitoring pipe and the blood outlet pipe are located on the lower side of the upper filter screen, the blood inlet pipe, the air discharge pipe, the pressure monitoring pipe and the blood clot discharge pipe are located on the upper side of the lower filter screen, and the blood outlet pipe is located on the lower side of the lower filter screen. And an injection port of the injector is matched with the blood clot discharge pipe in pipe diameter. The hemodialysis catheter is used in the dialysis process, is suitable for a venous blood path and an arterial blood path, can reduce the occurrence rate that blood clots block the catheter, and reduces blood loss of a patient.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field, concretely relates to a blood dialysis pipeline arteriovenous jug that prevents blood clot from blocking. BACKGROUND

[0002] During the blood dialysis or CRRT treatment of clinical patients, pipeline clotting often occurs due to various reasons, which leads to pipeline blockage, so that blood cannot be returned, when the blockage is serious, the blood pressure is significantly increased, the blood color is darkened, and the blood pump is finally stopped, at this time, the blood in the arterial jug or venous jug needs to be discarded, and the return circuit needs to be recovered as soon as possible, so that a large amount of blood of the patient is lost.

[0003] The utility model patent CN 208582775 U discloses a kind of venous jug with blood return device, including venous jug and blood return device, when the filter device of venous jug occurs serious blockage and cannot return blood, the upper drainage tube of blood return device is communicated to the liquid supplement port, the lower drainage tube of blood return device is connected to the venous end of patient hemodialysis pipeline by infusion connector, so that new temporary passage is established, so that the blood in venous jug is returned to patient body, and the loss of patient blood is reduced.

[0004] But the utility model has the following defects: 1, no separate air exhaust pipe is set, air exhaust effect is poor, and when liquid needs to be added, it can only be injected from blood inlet pipe, which is easy to push the blood clot formed around blood inlet pipe into the jug body;2, blood inlet is not separated from pressure monitoring pipe, and blood clot formed by blood inlet is easy to block pressure monitoring pipe, so that the pressure monitoring in jug is inaccurate. UTILITY MODEL CONTENT

[0005] The utility model provides a kind of blood dialysis pipeline arteriovenous jug that prevents blood clot from blocking, is used when dialysis, and is suitable for venous blood circuit and arterial blood circuit, can reduce the incidence of blood clot blockage pipeline, and reduce the blood loss of patient.

[0006] To achieve the above technical purpose, the utility model adopts the technical scheme that:

[0007] A kind of blood dialysis pipeline arteriovenous jug that prevents blood clot from blocking, including jug body and syringe, the upper end of jug body is connected with blood inlet pipe, air exhaust pipe, pressure monitoring pipe, blood clot discharge pipe, the lower end is connected with blood outlet pipe, the inside of jug body is equipped with upper filter screen, lower filter screen, blood inlet pipe, blood clot discharge pipe are located on the upper side of upper filter screen, air exhaust pipe, pressure monitoring pipe, blood outlet pipe are located on the lower side of upper filter screen, blood inlet pipe, air exhaust pipe, pressure monitoring pipe, blood clot discharge pipe are located on the upper side of lower filter screen, blood outlet pipe is located on the lower side of lower filter screen, the nipple of syringe is adapted to the pipe diameter of blood clot discharge pipe.

[0008] Further, the air exhaust pipe is provided with a pipe clamp one, and the end is provided with a spiral cap one.

[0009] Further, the pressure monitoring pipe is provided with a pipe clamp two, and the end is provided with a pressure detector.

[0010] Further, the blood clot exhaust pipe is provided with a pipe clamp three, and the end is provided with a spiral cap two.

[0011] Further, the blood clot exhaust pipe is provided with a pipe clamp three, and the end is provided with a spiral cap two.

[0012] Further, the blood clot exhaust pipe is provided with a pipe clamp three, and the end is provided with a spiral cap two.

[0013] Further, the air exhaust pipe, the pressure monitoring pipe, the blood inlet pipe and the blood clot exhaust pipe are sequentially connected to the kettle body from left to right.

[0014] Further, the upper filter screen is obliquely arranged, the upper end is connected to the upper wall of the kettle body, and the remaining end is connected to the side wall of the kettle body.

[0015] Further, the lower filter screen is in the shape of a trapezoid with the upper end being small and the lower end being large, and the bottom is connected to the side wall of the kettle body.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. The upper filter screen can separate the blood clot formed by the blood inlet pipe at the upper end of the kettle body, and then the upper end blood clot is extracted by using a large-diameter syringe, so as to prevent the blood inlet from being blocked, thereby reducing the generation of the lower end blood clot.

[0018] 2. When the device is connected to the arterial blood circuit, the lower filter screen can prevent the blood clot formed at the lower end from entering the dialyzer to block the dialyzer or accelerate the degree of blood clotting of the dialyzer, and when the device is connected to the venous blood circuit, the lower filter screen can prevent the blood clot formed at the lower end from entering the patient's vein to form a blood clot.

[0019] 3. The air exhaust pipe can exhaust the air accumulated in the kettle and adjust the liquid level, the air exhaust pipe is separated from the blood inlet pipe by the upper filter screen, so as to greatly reduce the probability of forming blood clot around the air exhaust pipe, and the air exhaust pipe can be used to push the medicine liquid into the kettle. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor.

[0021] Figure 1 The structure of the utility model is a schematic diagram;

[0022] In the figure: 1-pot, 2-syringe, 3-blood inlet pipe, 4-air outlet pipe, 5-pressure monitoring pipe, 6-blood clot discharge pipe, 7-blood outlet pipe, 8-upper filter screen, 9-lower filter screen, 10-pipe clamp one, 11-spiral cap one, 12-pipe clamp two, 13-pressure detector, 14-pipe clamp three, 15-spiral cap two. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, not all embodiments of the present application. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0024] In the description of the embodiments of the present application, it should be noted that the indicated position or positional relationship is based on the position or positional relationship shown in the drawings, or the position or positional relationship commonly placed when the product of the application is used, or the position or positional relationship commonly understood by those skilled in the art, which is only for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the indicated device or element must have a particular position, be constructed and operated in a particular position, and therefore cannot be understood as a limitation on the present application.

[0025] In the description of the embodiments of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "set", "mount", "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] As Figure 1As shown, a blood dialysis pipeline arteriovenous jug, which prevents blood clot from blocking, comprises a jug body 1 and a syringe 2, the upper end of the jug body 1 is sequentially connected with an air exhaust pipe 4, a pressure monitoring pipe 5, a blood inlet pipe 3, a blood clot exhaust pipe 6 from left to right in order, the lower end is connected with a blood outlet pipe 7, the air exhaust pipe 4 is provided with a pipe clamp one 10, the end is provided with a spiral cap one 11, the pressure monitoring pipe 5 is provided with a pipe clamp two 12, the end is provided with a pressure detector 13, the blood clot exhaust pipe 6 is provided with a pipe clamp three 14, and the end is provided with a spiral cap two 15. The inside of the jug body 1 is provided with an upper filter screen 8 and a lower filter screen 9, the upper filter screen 8 is obliquely arranged, the upper end is connected with the upper wall of the jug body 1, and the remaining end is connected with the side wall of the jug body 1, the blood inlet pipe 1 and the blood clot exhaust pipe 6 are located on the upper side of the upper filter screen 8, and the air exhaust pipe 4, the pressure monitoring pipe 5 and the blood outlet pipe 7 are located on the lower side of the upper filter screen 8; the lower filter screen 9 is trapezoidal and large downward, the bottom is connected with the side wall of the jug body 1, the blood inlet pipe 3, the air exhaust pipe 4, the pressure monitoring pipe 5 and the blood clot exhaust pipe 6 are located on the upper side of the lower filter screen 9, and the blood outlet pipe 7 is located on the lower side of the lower filter screen 9. The syringe 2 is a large-diameter syringe, the syringe nipple is twice as large as that of a 20ml syringe, the diameter of the blood clot exhaust pipe 6 is 40% of the diameter of the upper end of the jug body 1, is matched with the nipple of the syringe 2, and can ensure that the blood clot can be smoothly sucked out.

[0027] The blood inlet pipe 3 and the blood clot exhaust pipe 6 are located on the upper side of the upper filter screen 8, can cut off the blood clot formed by the blood inlet pipe 3 at the upper end of the jug body 1, then the spiral cap two 15 is opened, the upper end blood clot is sucked out by the large-diameter syringe 2, so that the blood inlet is prevented from being blocked, thereby reducing the generation of the lower end blood clot; the air exhaust pipe 4 and the blood clot exhaust pipe 6 are separated by the upper filter screen 8, the blood clot formed by the blood inlet pipe 3 cannot block the air exhaust pipe 4, and the spiral cap one 11 can be opened to inject various drugs from the air exhaust pipe 4; the pressure monitoring pipe 5 and the blood clot exhaust pipe 6 are separated by the upper filter screen 8, the blood clot formed by the blood inlet pipe 3 cannot block the pressure monitoring pipe 5 and cause inaccurate pressure monitoring in the jug; when the device is connected on the arterial blood circuit, the lower filter screen 9 can prevent the blood clot formed at the lower end from entering the dialyzer, and when the device is connected on the venous blood circuit, the lower filter screen 9 can prevent the blood clot formed at the lower end from entering the patient's vein and forming a blood clot.

[0028] Of course, the utility model also can have other various embodiments, the skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and the essence thereof, but these corresponding changes and deformations should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A hemodialysis line arterial-venous jug to prevent blood clot occlusion, characterized in that: The utility model provides a blood coagulation separation device, including kettle body (1) and syringe (2), blood inlet pipe (3), air exhaust pipe (4), pressure monitoring pipe (5), blood clot discharge pipe (6) are connected to the upper end of kettle body (1), blood outlet pipe (7) is connected to the lower end, the inside of kettle body (1) is equipped with upper filter screen (8), lower filter screen (9), blood inlet pipe (3), blood clot discharge pipe (6) are located the upside of upper filter screen (8), air exhaust pipe (4), pressure monitoring pipe (5), blood outlet pipe (7) are located the downside of upper filter screen (8), blood inlet pipe (3), air exhaust pipe (4), pressure monitoring pipe (5), blood clot discharge pipe (6) are located the upside of lower filter screen (9), blood outlet pipe (7) is located the downside of lower filter screen (9), the nipple of syringe (2) is with blood clot discharge pipe (6) pipe diameter adaptation.

2. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 1, wherein: The air exhaust pipe (4) is equipped with pipe clamp one (10) on it, and the end is equipped with spiral cap one (11).

3. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 1, wherein: The pressure monitoring pipe (5) is equipped with pipe clamp two (12) on it, and the end is equipped with pressure detector (13).

4. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 1, wherein: The blood clot discharge pipe (6) is equipped with pipe clamp three (14) on it, and the end is equipped with spiral cap two (15).

5. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 1, wherein: The blood clot discharge pipe (6) is 40% of the diameter of the upper end of the kettle body (1), and is adapted to the nipple of the syringe (2).

6. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 1, wherein: The syringe (2) is a large-diameter syringe, and the syringe nipple is twice the size of a 20ml syringe.

7. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 1, wherein: The air exhaust pipe (4), pressure monitoring pipe (5), blood inlet pipe (3), blood clot discharge pipe (6) are sequentially connected to the kettle body (1) from left to right.

8. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 7, wherein: The upper filter screen (8) is inclined, and the upper end is connected to the upper wall of the kettle body (1), and the remaining end is connected to the side wall of the kettle body (1).

9. The hemodialysis circuit arterial-venous chamber for preventing blood clot occlusion according to claim 8, wherein: The lower filter screen (9) is trapezoidal, and the bottom is connected to the side wall of the kettle body (1).

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