Plasma exchange auxiliary device

By designing a plasma exchange auxiliary device, a motor-driven hanging plate is used to swing the top of the plasma bag, which solves the problem of uneven plasma heating, improves the treatment effect, and reduces patient discomfort.

CN223944715UActive Publication Date: 2026-02-27THE FIRST AFFILIATED HOSPITAL OF FUJIAN MEDICAL UNIV
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Patent Information

Application Number
CN202520229771.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-13
Publication Date
2026-02-27
Estimated Expiration
2035-02-13

AI Technical Summary

Technical Problem

In existing technologies, uneven heating of plasma leads to poor treatment results, especially during plasma exchange, which may cause adverse reactions in patients.

Method used

A plasma exchange auxiliary device was designed, comprising components such as a water bath, heating wire, motor, threaded rod, moving plate, hanging plate, and fixing clamp. The motor drives the hanging plate to swing the top of the plasma bag back and forth, and the combination of electric push rod and fixing clamp achieves uniform heating of plasma.

Benefits of technology

This method achieves uniform heating of the plasma, improves the therapeutic effect, and avoids patient discomfort caused by uneven heating.

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Abstract

The plasma exchange auxiliary device comprises a water bath box, a heating wire is arranged in the water bath box, a cover plate is arranged at the top of the water bath box, a through groove is formed in the upper surface of the water bath box, a motor is installed on the upper surface of the cover plate, a threaded rod is installed at the output end of the motor, and a threaded rod is installed at the output end of the threaded rod. And the outer surface of the threaded rod is in threaded connection with a moving plate, the bottom end of the moving plate penetrates through the through groove and is fixedly connected with a hanging plate, and a set of first fixing clamps are installed on the bottom face of the hanging plate. Through cooperation of the cover plate, the through groove, the motor, the threaded rod, the moving plate, the hanging plate, the first fixing clamp, the bottom plate and the second fixing clamp, the plasma bag can be stably clamped through the first fixing clamp and the second fixing clamp, meanwhile, the motor is controlled to work in a reciprocating mode, the hanging plate can drive the first fixing clamp to move in a reciprocating mode, and the top of the plasma bag can swing back and forth; and the plasma flows in the plasma bag, so that the plasma can be uniformly heated, and the treatment effect of the plasma is further ensured.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical equipment, and in particular to a plasma replacement auxiliary device. BACKGROUND

[0002] Plasma replacement, also known as therapeutic plasma exchange, is a medical technology that separates the blood of a patient into plasma and blood cells through extracorporeal circulation technology, then discards the plasma containing pathogenic substances, and supplements an equal amount of fresh plasma or replacement fluid, so as to achieve the treatment purpose. This technology is widely used in the treatment of various diseases, and has important value in autoimmune diseases, poisoning, metabolic diseases and certain blood system diseases.

[0003] When the plasma is replaced, in order to avoid the patient's body temperature from dropping and causing discomfort such as shivering and blood vessel contraction, the temperature of the plasma is adjusted. At present, when the plasma is heated, the water bath heating method is usually used, that is, the plasma bag is usually placed in water. However, this method will cause uneven heating of the plasma when the plasma is heated, thereby affecting the treatment effect of the plasma. Therefore, we propose a plasma replacement auxiliary device to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The purpose of the present application is to provide a plasma replacement auxiliary device to solve the problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A plasma replacement auxiliary device, comprising a water bath box, a heating wire is arranged in the water bath box, a cover plate is arranged on the top of the water bath box, a through slot is formed on the upper surface of the water bath box, a motor is installed on the upper surface of the cover plate, a threaded rod is installed at the output end of the motor, a moving plate is threadedly connected to the outer surface of the threaded rod, the bottom end of the moving plate penetrates through the through slot and is fixedly connected with a hanging plate, a group of first fixing clamps are installed on the bottom surface of the hanging plate, two vertical plates are fixedly connected to the bottom surface of the hanging plate, a bottom plate is fixedly connected to the bottom ends of the two vertical plates, and a group of second fixing clamps are installed on the upper surface of the bottom plate.

[0007] In a further embodiment, a temperature sensor is arranged in the water bath box, a control panel is installed on the front surface of the water bath box, and the heating wire is connected with the temperature sensor and the control panel through wires respectively.

[0008] In a further embodiment, a partition plate is fixedly connected in the water bath box, and the partition plate is located above the heating wire.

[0009] In further embodiments, the left and right sides of the water bath tank are fixedly connected with a support plate, the upper surface of each support plate is installed with a group of electric push rods, and the telescopic end of each electric push rod is connected with the bottom surface of the cover plate.

[0010] In further embodiments, the bottom surface of the cover plate is fixedly connected with two hanging plates, and the bottom end of each hanging plate is located below the hanging plate.

[0011] In further embodiments, the bottom surface of the cover plate is fixedly connected with two hanging plates, and the bottom end of each hanging plate is located below the hanging plate.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] The present application is provided with a cover plate, a through groove, a motor, a threaded rod, a moving plate, a hanging plate, a first fixed clamp, a bottom plate and a second fixed clamp, which can stably clamp the plasma bag by the first fixed clamp and the second fixed clamp, and control the motor to reciprocate, so that the first fixed clamp is driven to reciprocate, the top of the plasma bag swings back and forth, and the plasma flows in the plasma bag, thereby uniformly heating and further ensuring the treatment effect of the plasma.

[0014] The extension of the electric push rod can drive the bottom plate to extend from the inside of the water bath tank, which is convenient for the staff to fix the plasma bag and can make the plasma bag descend into the water bath tank, so that the plasma can be kept warm. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the plasma replacement auxiliary device.

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the water bath tank of the plasma replacement auxiliary device.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the plasma replacement auxiliary device.

[0018] Figure 4 It is a schematic diagram of the three-dimensional structure of the plasma replacement auxiliary device.

[0019] In the figure: 1, water bath tank; 2, electric push rod; 3, positioning frame; 4, cover plate; 5, support plate; 6, heating wire; 7, partition; 8, through groove; 9, motor; 10, vertical plate; 11, second fixed clamp; 12, bottom plate; 13, threaded rod; 14, moving plate; 16, hanging plate; 17, first fixed clamp; 18, hanging plate. DETAILED DESCRIPTION

[0020] In the description of the utility model, it is necessary to explain that, unless there is definite stipulation and limitation, the terms "mount", "connect", "connect" should be understood broadly, for example, it can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood through specific circumstances.

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described below with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 In the utility model, a kind of plasma replacement auxiliary device, including water bath box 1, heating wire 6 is provided in the inside of water bath box 1, temperature sensor is provided in the inside of water bath box 1, control panel is installed on the front of water bath box 1, heating wire 6 is connected between temperature sensor and control panel respectively by wire, heating wire 6 can be used to heat the water inside water bath box 1, while temperature sensor can monitor the temperature of water inside water bath box 1, water bath box 1 can be controlled to reach constant temperature state.

[0023] Partition 7 is fixedly connected in the inside of water bath box 1, and partition 7 is located above heating wire 6, heating wire 6 is separated from water by using partition 7, to avoid that heating wire 6 causes the damage of plasma bag.

[0024] Top of water bath box 1 is provided with cover plate 4, upper surface of water bath box 1 is provided with through slot 8, upper surface of cover plate 4 is installed with motor 9, the output end of motor 9 is installed with threaded rod 13, the outer surface of threaded rod 13 is threadedly connected with moving plate 14, the bottom end of moving plate 14 penetrates through slot 8 and is fixedly connected with hanging plate 16, the bottom surface of hanging plate 16 is installed with a group of first fixed clamps 17, the bottom surface of hanging plate 16 is fixedly connected with two vertical plates 10, the bottom end of two vertical plates 10 is fixedly connected with bottom plate 12, the upper surface of bottom plate 12 is installed with a group of second fixed clamps 11, first fixed clamps 17 and second fixed clamps 11 can be used to clamp and fix plasma bag, when motor 9 reciprocating works, hanging plate 16 will drive plasma bag top to swing, so that the plasma inside plasma bag flows, so that plasma can be heated uniformly, further guarantee the treatment efficacy of plasma.

[0025] The bottom surface of the cover plate 4 is fixedly connected with two hanging plates 18, the bottom end of each hanging plate 18 is below the hanging plate 16, the hanging plate 16 can be supported by the hanging plate 18, so as to ensure the stability during movement.

[0026] The left and right sides of the water bath box 1 are fixedly connected with supporting plates 5, the upper surface of each supporting plate 5 is installed with a group of electric push rods 2, the telescopic end of each electric push rod 2 is connected with the bottom surface of the cover plate 4, the cover plate 4 can be lifted by the extension of the electric push rod 2, so that the bottom plate 12 can be extended, and the staff can conveniently clamp and fix the plasma bag.

[0027] The bottom surface of the cover plate 4 is fixedly connected with a positioning frame 3, the positioning frame 3 is sleeved outside the water bath box 1, the cover plate 4 and the water bath box 1 can be stabilized by the positioning frame 3, and the firmness of the cover plate 4 above the water bath box 1 is further enhanced.

[0028] The working principle of the application is: when in use, first control the heating wire 6 to work, so that the water bath box 1 reaches a constant temperature state, then start the electric push rod 2 to extend, until the bottom plate 12 leaks out of the water bath box 1, then clamp the plasma bag on the first fixed clamp 17 and the second fixed clamp 11, then control the electric push rod 2 to reset, and start the motor 9 to work reciprocatingly, the motor 9 will drive the threaded rod 13 to reciprocate, and the moving plate 14 will drive the hanging plate 16 to reciprocate, so that the first fixed clamp 17 drives the top of the plasma bag to swing back and forth, so that the plasma in the plasma bag flows, so that the plasma can be uniformly heated, and the treatment effect of the plasma is further ensured.

[0029] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A plasma exchange assist device, characterized by: The utility model provides a water bath box, the inside of water bath box (1) is equipped with heating wire (6), the top of water bath box (1) is equipped with cover plate (4), the upper surface of water bath box (1) is opened with through slot (8), the upper surface of cover plate (4) is installed motor (9), the output of motor (9) is installed screw rod (13), the outer surface screw connection of screw rod (13) has mobile plate (14), the bottom of mobile plate (14) passes through through slot (8) and is fixedly connected with hanging plate (16), the bottom surface of hanging plate (16) is installed a group of first fixed clamps (17), the bottom surface of hanging plate (16) is fixedly connected with two vertical boards (10), and the bottom of two vertical boards (10) is fixedly connected with bottom plate (12) in common, and the upper surface of bottom plate (12) is installed a group of second fixed clamps (11).

2. A plasma exchange assist device according to claim 1, wherein: The inside of the water bath box (1) is provided with a temperature sensor, and the front of the water bath box (1) is provided with a control panel, and the heating wire (6) is connected between the temperature sensor and the control panel through wires.

3. A plasma exchange assist device according to claim 1, wherein: The inside of the water bath box (1) is fixedly connected with a partition (7), and the partition (7) is located above the heating wire (6).

4. The plasma exchange assist device of claim 1, wherein: The left and right sides of the water bath box (1) are fixedly connected with a support plate (5), and the upper surface of each support plate (5) is provided with a group of electric push rods (2), and the extension end of each electric push rod (2) is connected with the bottom surface of the cover plate (4).

5. The plasma exchange assist device of claim 1, wherein: The bottom surface of the cover plate (4) is fixedly connected with two hanging plates (18), and the bottom end of each hanging plate (18) is located below the hanging plate (16).

6. The plasma exchange assist device of claim 1, wherein: The bottom surface of the cover plate (4) is fixedly connected with a positioning frame (3), and the positioning frame (3) is sleeved outside the water bath box (1).