Double-bubble monitoring choked flow clamp for hemodialysis machine

Abstract

The utility model discloses a double-bubble monitoring choke clip for a hemodialysis machine, which comprises a mounting part mounted on the outer surface of the hemodialysis machine, and the mounting part is provided with an artery pipeline channel for placing an artery pipeline and a vein pipeline channel for placing a vein pipeline. The artery pipeline channel and the vein pipeline channel penetrate through the mounting part, monitoring probes used for monitoring whether bubbles are generated in the artery pipeline or the vein pipeline are arranged on the inner wall of the artery pipeline channel and the inner wall of the vein pipeline channel, and chucks used for clamping the artery pipeline or the vein pipeline are arranged in the artery pipeline channel and the vein pipeline channel. The artery pipeline and the vein pipeline can be monitored at the same time, and monitoring is comprehensive.

Description

Technical Field

[0001] This utility model relates to the field of hemodialysis equipment technology, specifically to a dual-bubble monitoring flow-blocking clamp for a hemodialysis machine. Background Technology

[0002] A hemodialysis machine mainly consists of a dialyzer, a dialysate system, a vascular access system, and a monitoring system.

[0003] Existing hemodialysis equipment typically includes arterial and venous tubing in its external tubing. However, the flow clamps on hemodialysis equipment, as described in Chinese patent application publication number CN202478257U, can only detect air bubbles in a single tubing, resulting in incomplete detection. Utility Model Content

[0004] The purpose of this invention is to provide a dual-bubble monitoring flow clamp for hemodialysis machines, which can monitor both arterial and venous lines simultaneously, providing more comprehensive monitoring.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following solution:

[0006] A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine includes a mounting component for attaching to the outer surface of the hemodialysis machine. The mounting component has an arterial conduit channel for placing an arterial line and a venous conduit channel for placing a venous line. Both the arterial and venous conduits penetrate the mounting component. Monitoring probes for detecting the generation of air bubbles within the arterial or venous lines are installed on the inner walls of both channels. Clamps for clamping the arterial or venous lines are located within each channel. Its function is to simultaneously monitor air bubbles in both arterial and venous lines through the arterial and venous conduits and the monitoring probes, providing comprehensive monitoring; and to block the flow of fluid within the arterial or venous lines through the clamps.

[0007] Furthermore, the mounting component includes a base and a cover hinged to the base. Both the arterial and venous access channels are formed by the base and the cover. The base has a through hole for the clamp to pass through, and the cover has a boss corresponding to the through hole. The purpose of the boss is to provide a supporting plane for the clamp to clamp the arterial or venous access channel.

[0008] Furthermore, the front end of the chuck is located within the through hole, and the rear end of the chuck is connected to a threaded iron core. An electromagnet is threadedly connected to the end of the threaded iron core furthest from the chuck, and the electromagnet is connected to a photoelectric switch. The threaded iron core, electromagnet, photoelectric switch, their connections, and working principles all adopt the prior art described in Chinese patent application CN202478257U, i.e., the photoelectric switch controls the electromagnet to be energized, causing the threaded iron core to spirally push the chuck forward. The spiraling chuck moves into the through hole to clamp the arterial and venous lines.

[0009] Furthermore, the monitoring probe includes a first end and a second end arranged opposite to each other, which are respectively disposed on the cover and the base. The monitoring probe uses an infrared sensor or an ultrasonic sensor. The first end is a signal transmitting end, and the second end is a corresponding signal receiving end, or the second end is a signal transmitting end, and the first end is a corresponding signal receiving end. When there are no air bubbles in the arterial or venous tubing, the arterial or venous tubing is filled with liquid, blocking the signal receiving end from receiving the signal emitted by the signal transmitting end. When air bubbles appear in the arterial or venous tubing, the signal emitted by the signal transmitting end is transmitted to the signal receiving end through the air bubbles, that is, the signal receiving end receives the signal that generated the air bubbles.

[0010] Furthermore, the cover includes an outer cover and an inner cover, with a first end located between the outer cover and the inner cover, a second end located on the base, and a boss provided on the inner cover.

[0011] Furthermore, the cover is provided with a cover wire passage for the wire connected to the first end to pass through, the front end of the base is provided with a base wire inlet for the wire connected to the first end to enter, and the rear end of the base is provided with a base wire outlet for the wire connected to the first end and the wire connected to the second end to exit. The connection between the monitoring probe wire and the controller, as well as the connection between the photoelectric switch and the controller, are existing technologies and will not be described in detail.

[0012] Furthermore, the base is provided with a fixing hole for embedding the second end, and the base is provided with a wire passage for connecting the base outlet to the fixing hole. The wire passage connects the fixing hole corresponding to the arterial channel and the fixing hole corresponding to the venous channel.

[0013] Furthermore, the base has a rear cover plate at the end away from the cap, and a first spring is provided between the rear cover plate and the fixing hole. The base outlet is located on the rear cover plate. Its function is that, through the setting of the first spring, the second end can be pressed into the fixing hole, thereby achieving a fixing effect.

[0014] Furthermore, a baffle is provided on the outer wall of the section of the clamp located between the rear cover plate and the through hole, and a second spring is provided between the baffle and the base. The outer diameter of the second spring is larger than the inner diameter of the through hole. Its function is that, through the setting of the baffle and the second spring, after the clamp no longer needs to clamp the arterial or venous line, the second spring can push the baffle to move the clamp backward and reset, thus achieving a reset function.

[0015] Furthermore, the width of the clamp gradually increases away from the cap. This is because the design of the clamp shape reduces the contact area between the clamp and the arterial or venous tubing, thus preventing damage to the arterial or venous tubing when clamping it.

[0016] The beneficial effects of this utility model are:

[0017] 1. By setting up arterial and venous tubing channels and monitoring probes, it is possible to simultaneously monitor air bubbles in arterial and venous tubing, providing comprehensive monitoring; the clamp setting can block the flow of fluid in arterial or venous tubing.

[0018] 2. By setting up a baffle and a second spring, the baffle can be pushed by the second spring to move the clamp backward and reset after the clamp no longer needs to clamp the arterial or venous line, thus achieving the reset function. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of Example 1 with the cap open;

[0020] Figure 2 This is a three-dimensional structural diagram of Example 1 with the inner cover open;

[0021] Figure 3 This is a three-dimensional structural diagram of Example 1 with the rear cover open;

[0022] Figure 4 This is a three-dimensional structural diagram of the base in Example 1.

[0023] Reference numerals: 1. Mounting component; 2. Arterial tubing channel; 3. Venous tubing channel; 4. Monitoring probe; 5. Clamp; 6. Base; 7. Cover; 8. Through hole; 9. Boss; 10. Threaded iron core; 11. Electromagnet; 12. Photoelectric switch; 13. First end; 14. Second end; 15. Outer cover; 16. Inner cover; 17. Cable passage; 18. Base cable inlet; 19. Base cable outlet; 20. Fixing hole; 21. Cable passage; 22. Rear cover plate; 23. First spring; 24. Second spring; 25. Baffle. Detailed Implementation

[0024] The present invention will be further described in detail below with reference to the embodiments and accompanying drawings, but the implementation of the present invention is not limited thereto.

[0025] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "longitudinal", "lateral", "horizontal", "inner", "outer", "front", "rear", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the utility model product is in use. They 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. Therefore, they should not be construed as limitations on this utility model.

[0026] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "have," "install," "connect," and "connect" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] Example 1

[0028] A dual-bubble monitoring flow-blocking clamp for hemodialysis machines, such as Figure 1 As shown, the device includes a mounting component 1 for attaching to the outer surface of a hemodialysis machine. The mounting component 1 has an arterial tubing channel 2 for placing arterial tubing and a venous tubing channel 3 for placing venous tubing. Both the arterial tubing channel 2 and the venous tubing channel 3 penetrate the mounting component 1. Monitoring probes 4 are installed on the inner walls of both the arterial tubing channel 2 and the venous tubing channel 3 to monitor for air bubbles within the arterial or venous tubing. Clamps 5 are installed within both the arterial tubing channel 2 and the venous tubing channel 3 to clamp the arterial or venous tubing. The function of these components is to simultaneously monitor for air bubbles in both the arterial and venous tubing through the arterial tubing channel 2, the venous tubing channel 3, and the monitoring probes 4, providing comprehensive monitoring; and to block the flow of fluid within the arterial or venous tubing through the clamps 5.

[0029] Specifically, such as Figure 1As shown, the mounting component 1 includes a base 6 and a cover 7 hinged to the base 6. Both the arterial conduit channel 2 and the venous conduit channel 3 are composed of the base 6 and the cover 7. The base 6 has a through hole 8 for the clamp 5 to pass through, and the cover 7 has a boss 9 corresponding to the through hole 8. The boss 9 provides a supporting plane for the clamp 5 to clamp the arterial or venous conduit.

[0030] Specifically, such as Figure 1 As shown, the front end of the chuck 5 is located inside the through hole 8, and the rear end of the chuck 5 is connected to a threaded iron core 10. An electromagnet 11 is threadedly connected to the end of the threaded iron core 10 away from the chuck 5, and the electromagnet 11 is connected to a photoelectric switch 12. The threaded iron core 10, electromagnet 11, photoelectric switch 12, their connections, and working principles all adopt the prior art described in Chinese patent application CN202478257U, that is, the photoelectric switch 12 controls the electromagnet 11 to be energized, causing the threaded iron core 10 to spirally push the chuck 5 forward. The chuck 5 spirals forward and moves into the through hole 8 to clamp the arterial and venous lines.

[0031] Specifically, such as Figure 1 As shown, the monitoring probe 4 includes a first end 13 and a second end 14 arranged opposite to each other, with the first end 13 and the second end 14 respectively disposed on the cover 7 and the base 6. The monitoring probe 4 including the first end 13 and the second end 14 is common prior art and will not be described in detail. The monitoring probe 4 uses an infrared sensor or an ultrasonic sensor. The first end 13 is the signal transmitting end, and the second end 14 is the corresponding signal receiving end, or the second end 14 is the signal transmitting end, and the first end 13 is the corresponding signal receiving end. In the absence of air bubbles in the arterial or venous tubing, the arterial or venous tubing is filled with liquid, blocking the signal receiving end from receiving the signal emitted by the signal transmitting end. When air bubbles appear in the arterial or venous tubing, the signal emitted by the signal transmitting end is transmitted to the signal receiving end through the air bubbles, that is, the signal receiving end receives the signal generated by the air bubbles.

[0032] Specifically, such as Figure 2 As shown, the cover 7 includes an outer cover 15 and an inner cover 16. The first end 13 is located between the outer cover 15 and the inner cover 16, the second end 14 is located on the base 6, and the boss 9 is provided on the inner cover 16.

[0033] Specifically, such as Figure 2 , Figure 3 , Figure 4As shown, the cover 7 has a cover 7 wire passage 17 for the wire connected to the first end 13 to pass through, the front end of the base 6 has a base inlet 18 for the wire connected to the first end 13 to enter, and the rear end of the base 6 has a base outlet 19 for the wire connected to the first end 13 and the wire connected to the second end 14 to exit. The connection between the wire of the monitoring probe 4 and the controller, and the connection between the photoelectric switch 12 and the controller are existing technologies and will not be described in detail.

[0034] Specifically, such as Figure 1 As shown, the base 6 is provided with a fixing hole 20 for embedding the second end 14, and the base 6 is provided with a wire passage 21 for connecting the base outlet 19 with the fixing hole 20. The wire passage 21 connects the fixing hole 20 corresponding to the arterial channel 2 and the fixing hole 20 corresponding to the venous channel 3.

[0035] Specifically, such as Figure 3 As shown, the base 6 has a rear cover plate 22 at the end away from the cover 7. A first spring 23 is provided between the rear cover plate 22 and the fixing hole 20. The base outlet 19 is located on the rear cover plate 22. Its function is that, through the setting of the first spring 23, the second end 14 can be pressed into the fixing hole 20, thereby playing a fixing role.

[0036] Specifically, such as Figure 3 As shown, a baffle 25 is provided on the outer wall of the section of the clamp 5 located between the rear cover plate 22 and the through hole 8. A second spring 24 is provided between the baffle 25 and the base 6. The outer diameter of the second spring 24 is larger than the inner diameter of the through hole 8. Its function is that, through the arrangement of the baffle 25 and the second spring 24, after the clamp 5 no longer needs to clamp the arterial or venous line, the second spring 24 can push the baffle 25 to move the clamp 5 backward and reset it, thus achieving a reset function.

[0037] Specifically, such as Figure 1 As shown, the width of the clamp 5 gradually increases in the direction away from the cover 7. Its function is to reduce the contact area between the clamp 5 and the arterial or venous tubing by designing the shape of the clamp 5, thereby avoiding damage to the arterial or venous tubing when clamping it.

[0038] The working principle of this embodiment is explained as follows: The arterial tube is placed into the arterial tube channel 2, and the venous tube is placed into the venous tube channel 3. The cover is closed so that the first end 13 corresponds to the second end 14 and the through hole 8 corresponds to the boss 9. After an air bubble appears in the arterial tube or venous tube, the receiving end transmits the signal to the photoelectric switch 12, and the photoelectric control clamp 5 clamps the arterial tube or venous tube in which the air bubble appears.

[0039] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any way. Any simple modifications, equivalent substitutions, and improvements made to the above embodiments based on the technical essence of the present utility model and within the spirit and principles of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine, characterized in that: It includes a mounting component (1) for mounting on the outer surface of a hemodialysis machine. The mounting component (1) is provided with an arterial tubing channel (2) for placing an arterial tubing and a venous tubing channel (3) for placing a venous tubing. Both the arterial tubing channel (2) and the venous tubing channel (3) are installed through the mounting component (1). The inner walls of both the arterial tubing channel (2) and the venous tubing channel (3) are provided with a monitoring probe (4) for monitoring whether air bubbles are generated in the arterial or venous tubing. Both the arterial tubing channel (2) and the venous tubing channel (3) are provided with a clamp (5) for clamping the arterial or venous tubing.

2. The dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 1, characterized in that: The mounting component (1) includes a base (6) and a cover (7) hinged to the base (6). The arterial conduit channel (2) and the venous conduit channel (3) are both composed of the base (6) and the cover (7). The base (6) is provided with a through hole (8) for the clamp (5) to pass through, and the cover (7) is provided with a boss (9) corresponding to the through hole (8).

3. The dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 2, characterized in that: The front end of the chuck (5) is located in the through hole (8), and the rear end of the chuck (5) is connected to a threaded iron core (10). An electromagnet (11) is threadedly connected to the end of the threaded iron core (10) away from the chuck (5), and the electromagnet (11) is connected to a photoelectric switch (12).

4. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 2, characterized in that: The monitoring probe (4) includes a first end (13) and a second end (14) arranged opposite to each other, with the first end (13) and the second end (14) respectively located on the cover (7) and the base (6).

5. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 4, characterized in that: The cover (7) includes an outer cover (15) and an inner cover (16), with a first end (13) located between the outer cover (15) and the inner cover (16), a second end (14) located on the base (6), and a boss (9) provided on the inner cover (16).

6. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 4, characterized in that: The cover (7) is provided with a cover (7) wire passage (17) for the wire connected to the first end (13) to pass through. The front end of the base (6) is provided with a base inlet (18) for the wire connected to the first end (13) to enter. The rear end of the base (6) is provided with a base outlet (19) for the wire connected to the first end (13) and the wire connected to the second end (14) to be led out.

7. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 6, characterized in that: The base (6) is provided with a fixing hole (20) for embedding the second end (14). The base (6) is provided with a wire passage (21) for connecting the base outlet (19) with the fixing hole (20). The wire passage (21) connects the fixing hole (20) corresponding to the arterial channel (2) and the fixing hole (20) corresponding to the venous channel (3).

8. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 7, characterized in that: The base (6) has a rear cover plate (22) at the end away from the cover (7), and a first spring (23) is provided between the rear cover plate (22) and the fixing hole (20). The base outlet (19) is located on the rear cover plate (22).

9. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 7, characterized in that: The clamp (5) is provided with a baffle (25) on the outer wall of the section between the rear cover plate (22) and the through hole (8). A second spring (24) is provided between the baffle (25) and the base (6). The outer diameter of the second spring (24) is larger than the inner diameter of the through hole (8).

10. A dual-bubble monitoring flow-blocking clamp for a hemodialysis machine according to claim 2, characterized in that: The width of the clamp (5) gradually increases in the direction away from the cover (7).

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