Plasma exchange machine

By using the combined structure of the buffer board and the damping liquid pressure rod in the plasma replacement machine, the impact force is decentralized to solve the problem of the device during transportation or being impacted by external forces, and improves the service life.

CN222415787UActive Publication Date: 2025-01-28THE FIRST AFFILIATED HOSPITAL OF SUN YAT SEN UNIV
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Patent Information

Application Number
CN202421284834.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-06
Publication Date
2025-01-28
Estimated Expiration
2034-06-06

AI Technical Summary

Technical Problem

When existing plasma exchangers are transported or impacted by external forces, they may affect the components, connectors and internal structure of the equipment, resulting in a short service life.

Method used

A plasma replacement is designed, which adopts a combined structure of buffer board and damping liquid pressure rod. By buffering spring, buffer rack, and reset spring, the impact force is decentralized to achieve the effect of buffer shock absorption.

Benefits of technology

Effectively avoid the damage of the plasma replacement when transportation or being impacted by external forces, and improves the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of plasma exchange machines, and discloses a plasma exchange machine which comprises a buffer plate, damping hydraulic rods are fixedly connected to the periphery of the top face of the buffer plate, buffer assemblies are connected to the surfaces of the damping hydraulic rods in a sleeved mode, and a supporting plate is fixedly connected to the middle of each buffer assembly. According to the plasma exchange machine, through the arrangement of a buffer assembly and a damping hydraulic rod, when the plasma exchange machine is used, a connecting ring is installed on a supporting plate, the damping hydraulic rod penetrates through the middle of a buffer spring, the middle of a buffer frame and the middle of a reset spring, and when the plasma exchange machine is transported or impacted by external force, the buffer spring extrudes downwards; the reset spring and the buffer frame provide support and reverse acting force for the damping hydraulic rod, and the buffer spring disperses impact force, so that the buffering and damping effects are achieved, the situation that parts, connecting pieces and internal structures of the equipment are affected in the transportation process of the plasma exchange machine or the plasma exchange machine is impacted by external force is avoided, and the service life of the plasma exchange machine is prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of plasma exchange machines, in particular to a plasma exchange machine. Background Art

[0002] The plasma exchange machine can remove plasma or harmful components in plasma and then return it to the patient to achieve the purpose of treating the disease. Plasma exchange has a wide range of applications, involving various diseases of the kidneys, nerves, blood and other systems; the plasma exchange machine is composed of a blood pump, anticoagulant pump, centrifuge, air detector, electronic scale, pressure detector, blood exchange valve, exchange valve, main controller, keyboard display. During plasma exchange, blood from the arterial end is introduced into the plasma separator, and after the blood is purified, it is returned to the body from the venous end.

[0003] When the existing plasma exchange machine is actually used, the height of the plasma exchange machine is fixed. The height of the medical staff and the physiological conditions and illnesses of the patients may be different, which makes it inconvenient to adapt to the operation of different patients and medical staff.

[0004] After searching the existing patents: A plasma exchange machine (Announcement No.: CN115212431A), the invention discloses a plasma exchange machine, including a plasma exchange machine body and a blood transfusion tube, a fixed rod is fixedly arranged on the side of the plasma exchange machine body, a connecting block is fixedly arranged on the other end of the fixed rod, a sliding rod is passed through the connecting block, one end of the sliding rod is screwed with a support rod through a thread, a support plate is fixed to the top of the support rod through a screw, a stabilizing block is fixedly arranged on the bottom of the support plate, a limiting rod is passed through the stabilizing block, and a lifting rod is passed through the side position of the end of the connecting block close to the stabilizing block; the lifting rod is positioned by the limiting rod, and the height position of the lifting rod is adjusted to change the height position of the blood transfusion tube, so that the longer blood transfusion tube is supported, and the binding belt presses the blood transfusion tube against the stabilizing plate to limit the blood transfusion tube, and the plasma exchange machine body has the function of limiting the blood transfusion tube, so as to avoid the problem that the patient's family members touch the blood transfusion tube when nursing at the bedside, which affects the effect of blood transfusion replacement.

[0005] Although the above patent allows the height of the blood transfusion tube to be adjusted and limited, when the plasma exchange machine is transported or subjected to external force and vibration, it may affect the components, connectors and internal structure of the equipment, which is not conducive to improving the service life of the plasma exchange machine.

[0006] Therefore, it is necessary to invent a plasma exchange machine to solve the above problems. Utility Model Content

[0007] 1. Technical issues to be solved

[0008] The technical problem solved by the utility model is to provide a plasma exchange machine which is highly practical, can be simply operated and has a relatively simple structure. It solves the problem raised in the above background technology that when the plasma exchange machine is transported or subjected to external force and vibrations, the components, connectors and internal structure of the equipment may be affected, making it inconvenient to increase the service life of the plasma exchange machine.

[0009] (II) Technical solution

[0010] To achieve the above objectives, the utility model is implemented through the following technical solutions: a plasma exchange machine, including a buffer plate, damping hydraulic rods are fixedly connected to the top surface of the buffer plate on all sides, the surface of the damping hydraulic rods is sleeved with a buffer assembly, a support plate is fixedly connected to the middle of the buffer assembly, a support outer cylinder is fixedly connected to the top surface of the support plate, a collecting assembly is fixedly connected to one side of the support outer cylinder, a lifting assembly is fixedly connected to the inner bottom wall of the support outer cylinder, an extension column is threadedly connected to the surface of the lifting assembly, the top of the extension column is fixedly connected to a plasma exchange machine body, connecting rings are fixedly connected to both sides of the plasma exchange machine body, and a suspension assembly is slidably connected to the inside of the connecting ring.

[0011] As a further solution of the utility model, the buffer assembly includes a buffer spring sleeved on the surface of the damping hydraulic rod, the top end of the buffer spring is fixedly connected to a buffer frame, the middle part of the buffer frame is fixedly connected to a connecting ring, the top end of the connecting ring is fixedly connected to a return spring, and the return spring facilitates supporting the damping hydraulic rod.

[0012] As a further solution of the utility model, the lifting assembly includes a servo motor fixedly connected to the inner bottom wall of the supporting outer tube, the output end of the servo motor is splined with a transmission rod, one end of the transmission rod is fixedly connected to a screw rod, and the screw rod is easy to lift.

[0013] As a further solution of the utility model, both sides of the inner wall of the supporting outer cylinder are provided with slide grooves, and the slide grooves are adapted to the extension columns, and the extension columns are convenient for lifting and lowering the plasma exchange machine body.

[0014] As a further solution of the utility model, an adjustment hole is opened on the surface of the connecting ring, and an adjustment bolt is connected to the internal thread of the adjustment hole, and the adjustment bolt is convenient for adjusting the height of the suspension bracket.

[0015] As a further solution of the utility model, the suspension assembly includes a suspension frame slidably connected to the inside of the connecting ring, and a plurality of hooks are sleeved on the surface of the suspension frame, which are convenient for placing the solution.

[0016] As a further solution of the utility model, universal wheels are fixedly connected to the four sides of the bottom surface of the buffer plate, and brake pads are fixedly installed inside the universal wheels, so that the universal wheels are easy to move.

[0017] (III) Beneficial effects

[0018] The utility model provides a plasma exchange machine, which has the following beneficial effects:

[0019] 1. The plasma exchange machine, through the arrangement of the buffer assembly and the damping hydraulic rod, when in use, installs the connecting ring on the support plate, the damping hydraulic rod penetrates the middle of the buffer spring, the buffer frame and the return spring, when the plasma exchange machine is transported or subjected to external force impact, the buffer spring is squeezed downward, the return spring and the buffer frame provide support and reverse force to the damping hydraulic rod, the buffer spring disperses the impact force, thereby achieving the effect of buffering and shock absorption, avoiding the plasma exchange machine during transportation or being subjected to external force impact to the components, connectors and internal structure of the equipment, and improving the service life of the plasma exchange machine.

[0020] 2. The plasma exchange machine, through the arrangement of the supporting outer cylinder, lifting assembly, extension column, connecting collar and suspension assembly, may be used differently according to the operating habits of medical staff and the physiological condition and illness of the patient. In order to facilitate the normal use of the plasma exchange machine, the servo motor is started to rotate the screw rod to drive the extension column to rise and fall. After determining the height, the medical staff operates it. If the height of the solution needs to be adjusted, the adjustment bolt is turned to adjust the height of the suspension frame, thereby achieving the effect of adjusting the height of the plasma exchange machine and the solution, avoiding the fixed height of the plasma exchange machine, which cannot be adjusted, affecting the operation of medical staff, and improving the adaptability of the plasma exchange machine and the efficiency of exchange. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0022] Figure 2 This is a schematic diagram of the structure of the suspension assembly of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of the buffer component of the utility model;

[0024] Figure 4 It is a schematic diagram of the structure of the collection component of the utility model.

[0025] In the figure: 1. buffer plate; 2. damping hydraulic rod; 3. buffer assembly; 301. buffer spring; 302. buffer frame; 303. connecting ring; 304. reset spring; 4. support plate; 5. supporting outer cylinder; 6. collecting assembly; 601. fixing plate; 602. collecting box; 603. bracket; 604. buckle; 7. lifting assembly; 701. servo motor; 702. screw rod; 8. extension column; 9. plasma exchange machine body; 10. connecting ring; 11. suspension assembly; 1101. suspension frame; 1102. hook; 12. adjustment bolt; 13. universal wheel. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figures 1 to 4The utility model provides a technical solution: a plasma exchange machine, including a buffer plate 1, the top surface of the buffer plate 1 is fixedly connected with a damping hydraulic rod 2 on all sides, the surface of the damping hydraulic rod 2 is sleeved with a buffer component 3, through the arrangement of the buffer component 3 and the damping hydraulic rod 2, when in use, the connecting ring 303 is installed on the support plate 4, the damping hydraulic rod 2 passes through the middle of the buffer spring 301, the buffer frame 302 and the return spring 304, when the plasma exchange machine is transported or impacted by external force, the buffer spring 301 is squeezed downward, the return spring 304 and the buffer frame 302 provide support and reverse force to the damping hydraulic rod 2, and the buffer spring 301 disperses the impact force, thereby achieving the effect of buffering and shock absorption, avoiding the plasma exchange machine from being affected by the components, connectors and internal structures of the equipment during transportation or by external force impact, and improving the service life of the plasma exchange machine, the middle part of the buffer component 3 is fixedly connected with the support plate 4, the top surface of the support plate 4 is fixedly connected with the support outer cylinder 5, and one side of the support outer cylinder 5 is fixedly connected with the collection component 6, The inner bottom wall of the supporting outer cylinder 5 is fixedly connected with a lifting assembly 7, and the surface of the lifting assembly 7 is threadedly connected with an extension column 8, and the top of the extension column 8 is fixedly connected with a plasma exchange machine body 9. Both sides of the plasma exchange machine body 9 are fixedly connected with a connecting ring 10, and the inside of the connecting ring 10 is slidably connected with a suspension assembly 11. By supporting the outer cylinder 5, the lifting assembly 7, the extension column 8, the connecting ring 10 and the suspension assembly 11, when in use, it may be different according to the operating habits of medical staff and the physiological condition and illness of the patient. In order to facilitate the normal use of the plasma exchange machine, the servo motor 701 is started to rotate the screw rod 702 to drive the extension column 8 to rise and fall. After determining the height, the medical staff operates. If it is necessary to adjust the height of the solution, the adjustment bolt 12 is turned to adjust the height of the suspension frame 1101, thereby achieving the effect of adjusting the height of the plasma exchange machine and the solution, avoiding the fixed height of the plasma exchange machine, which cannot be adjusted, affecting the operation of medical staff, and improving the adaptability and exchange efficiency of the plasma exchange machine.

[0028] See also Figure 4 The buffer assembly 3 includes a buffer spring 301 sleeved on the surface of the damping hydraulic rod 2, the top of the buffer spring 301 is fixedly connected to a buffer frame 302, the middle of the buffer frame 302 is fixedly connected to a connecting ring 303, and the top of the connecting ring 303 is fixedly connected to a return spring 304. Through the setting of the buffer assembly 3, a buffering and shock-absorbing effect is achieved.

[0029] See also Figure 4 The lifting component 7 includes a servo motor 701 fixedly connected to the inner bottom wall of the supporting outer tube 5. The output end of the servo motor 701 is splined with a transmission rod, and one end of the transmission rod is fixedly connected with a screw rod 702. Through the setting of the lifting component 7, the height of the plasma exchange machine is adjusted.

[0030] See also Figure 2 Both sides of the inner wall of the supporting outer cylinder 5 are provided with slide grooves, which are matched with the extension column 8. The setting of the slide grooves can prevent the extension column 8 from shaking.

[0031] See also Figure 2 An adjustment hole is provided on the surface of the connecting collar 10, and an adjustment bolt 12 is connected to the inner thread of the adjustment hole. The setting of the adjustment bolt 12 can adjust the tightness of the connecting collar 10.

[0032] See also Figure 2 The suspension component 11 includes a suspension frame 1101 slidably connected to the inside of the connecting ring 10, and a plurality of hooks 1102 are sleeved on the surface of the suspension frame 1101. Through the setting of the suspension component 11, the solution is suspended.

[0033] See also Figure 3 Universal wheels 13 are fixedly connected to the bottom surface of the buffer plate 1 on all sides, and brake pads are fixedly installed inside the universal wheels 13. The arrangement of the universal wheels 13 facilitates the movement of the plasma exchange machine.

[0034] Embodiment 1:

[0035] See also Figure 3 The collecting component 6 includes a fixing plate 601 fixedly connected to one side of the supporting outer cylinder 5, and a collecting box 602 is fixedly connected to one side of the fixing plate 601. The setting of the collecting component 6 plays a role in placing waste items.

[0036] Embodiment 2:

[0037] See also Figure 4 The collecting assembly 6 includes a bracket 603 fixedly connected to one side of the supporting outer tube 5, a buckle 604 is clamped inside the bracket 603, and a collecting box 602 is fixedly connected to one side of the buckle 604. The setting of the buckle 604 facilitates the disassembly of the collecting box 602.

[0038] In the utility model, the working steps of the device are as follows:

[0039] Step 1: When in use, the connecting ring 303 is installed on the support plate 4, and the damping hydraulic rod 2 passes through the middle of the buffer spring 301, the buffer frame 302 and the return spring 304. When the plasma exchange machine is transported or impacted by external force, the buffer spring 301 is squeezed downward, the return spring 304 and the buffer frame 302 provide support and reverse force for the damping hydraulic rod 2, and the buffer spring 301 disperses the impact force;

[0040] The second step: During use, the operation may vary according to the operating habits of medical staff and the physiological condition and illness of the patient. In order to facilitate the normal use of the plasma exchange machine, the servo motor 701 is started to rotate the screw rod 702, driving the extension column 8 to rise and fall. After determining the height, the medical staff operates. If the height of the solution needs to be adjusted, the adjustment bolt 12 is turned to adjust the height of the suspension bracket 1101.

[0041] It should be noted that the equipment structure and drawings of the utility model mainly describe the principle of the utility model. In terms of the technology of the design principle, the settings of the power mechanism, power supply system and control system of the device are not fully described. On the premise that the technical personnel in this field understand the principle of the above utility model, the details of the power mechanism, power supply system and control system can be clearly known. The control method of the application document is automatic control through a controller, and the control circuit of the controller can be realized by simple programming by the technical personnel in this field;

[0042] The standard parts used therein can all be purchased from the market and can be customized according to the instructions and drawings. The specific connection methods of each part adopt conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art, and the structures and principles of the components known to technical personnel in this field can be known by these technical personnel through technical manuals or through conventional experimental methods.

[0043] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plasma exchange machine, comprising a buffer plate (1), characterized in that: The top surface of the buffer plate (1) is fixedly connected with a damping hydraulic rod (2) on all sides, the surface of the damping hydraulic rod (2) is sleeved with a buffer assembly (3), the middle of the buffer assembly (3) is fixedly connected with a support plate (4), the top surface of the support plate (4) is fixedly connected with a support outer cylinder (5), one side of the support outer cylinder (5) is fixedly connected with a collecting assembly (6), the inner bottom wall of the support outer cylinder (5) is fixedly connected with a lifting assembly (7), the surface of the lifting assembly (7) is threadedly connected with an extension column (8), the top of the extension column (8) is fixedly connected with a plasma exchange machine body (9), both sides of the plasma exchange machine body (9) are fixedly connected with a connecting ring (10), and the inside of the connecting ring (10) is slidably connected with a suspension assembly (11).

2. A plasma exchange machine according to claim 1, characterized in that: The buffer assembly (3) comprises a buffer spring (301) sleeved on the surface of the damping hydraulic rod (2); the top end of the buffer spring (301) is fixedly connected to a buffer frame (302); the middle part of the buffer frame (302) is fixedly connected to a connecting ring (303); and the top end of the connecting ring (303) is fixedly connected to a return spring (304).

3. A plasma exchange machine according to claim 1, characterized in that: The lifting assembly (7) comprises a servo motor (701) fixedly connected to the inner bottom wall of the supporting outer cylinder (5); the output end of the servo motor (701) is spline-connected to a transmission rod, and one end of the transmission rod is fixedly connected to a screw rod (702).

4. A plasma exchange machine according to claim 1, characterized in that: Slide grooves are provided on both sides of the inner wall of the supporting outer cylinder (5), and the slide grooves are adapted to the extension columns (8).

5. A plasma exchange machine according to claim 1, characterized in that: An adjustment hole is provided on the surface of the connecting collar (10), and an adjustment bolt (12) is threadedly connected inside the adjustment hole.

6. A plasma exchange machine according to claim 1, characterized in that: The suspension assembly (11) comprises a suspension frame (1101) slidably connected to the inside of the connecting ring (10), and a plurality of hooks (1102) are sleeved on the surface of the suspension frame (1101).

7. A plasma exchange machine according to claim 1, characterized in that: Universal wheels (13) are fixedly connected to the four sides of the bottom surface of the buffer plate (1), and brake pads are fixedly installed inside the universal wheels (13).

Citation Information

Patent Citations

  • Plasma exchange machine

    CN115212431A