Medical concentrated solution preparation device

By designing a vertical stirring device and a mixing device in the medical concentrated liquid dispensing device, the problem of insufficient liquid mixing in the prior art is solved, and the full mixing and uniformity of the drug liquid are achieved.

CN222342671UActive Publication Date: 2025-01-14CHANGZHOU YUANZHENG MEDICAL EQUIPMENT CO LTD
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Patent Information

Application Number
CN202421019866.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-11
Publication Date
2025-01-14
Estimated Expiration
2034-05-11

AI Technical Summary

Technical Problem

The existing medical concentrated liquid dispensing device can only perform horizontal stirring when stirring, resulting in insufficient liquid mixing and affecting the use effect.

Method used

A medical concentrated liquid dispensing device including a stirring device and a mixing device is designed. The driving wheel and driven wheel are driven by the motor to rotate, and the stirring plate and lifting cylinder are rotated, so as to realize the vertical stirring of the stirring rod and the conveying of the medicinal liquid, and improve the mixing. Uniformity.

Benefits of technology

Vertical stirring and mixing of the liquid is achieved, which significantly improves the uniformity of stirring and ensures full mixing of the medicine liquid.

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Abstract

The utility model discloses a medical concentrated solution preparation device, and belongs to the technical field of prepared solution mixing. The liquid preparation device comprises a liquid preparation box body, the inner wall of the liquid preparation box body is connected with a stirring barrel body, the top of the stirring barrel body is connected with an upper cover, the bottom of the upper cover is connected with a stirring device, the stirring device comprises a stirring plate, a moving groove is formed in the stirring plate, the inner wall of the moving groove is connected with a partition plate, and a bearing is embedded in the partition plate. A rotating shaft is rotationally connected into the bearing, and reciprocating lead screws are connected to the two ends of the rotating shaft; according to the stirring device, the motor drives the driven wheel to rotate through the driving wheel, so that the driven wheel drives the connecting block to rotate, the connecting block drives the stirring plate to rotate, the reciprocating lead screw is driven to keep still through the connecting rod, the stirring plate drives the threaded seat to rotate, and the threaded seat drives the stirring rod to move up and down; the stirring rod stirs the mixed liquid in the vertical direction, so that the stirring uniformity is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of liquid preparation and mixing, and particularly relates to a liquid preparation device for medical concentrated liquid. Background Art

[0002] Hemodialysis is a process in which the patient's blood and dialysate are introduced into the dialyzer at the same time, flowing in opposite directions on both sides of the dialysis membrane. Relying on the solubility gradient, osmotic gradient and water pressure gradient on both sides of the semipermeable membrane, toxins are removed through diffusion, convection and adsorption, and excess water in the body is removed through ultrafiltration and osmosis. At the same time, necessary substances are supplemented to correct electrolyte and acid-base imbalances.

[0003] Chinese application number: CN202320887902.6 discloses an automatic liquid dispensing device for concentrated liquid, including a base, a mixing cylinder is fixedly installed on the right side of the top of the base, a top cover is arranged on the top of the mixing cylinder, a motor is fixedly installed on the top of the top cover, a water pump is fixedly installed on the top of the base and on the left side of the mixing cylinder, three containing boxes are arranged on the top of the base and on the left side of the water pump, the top of the containing box is connected to a feed pipe, a touch display is arranged on the top of the base and on the front side of the water pump, and a mounting shell is arranged on the top of the base and on the back side of the touch display. However, in actual use, the device can only stir horizontally during stirring, and thus the liquid cannot be fully mixed, which affects the use effect. Utility Model Content

[0004] The utility model aims to solve the problem of insufficient mixing and provides a medical concentrated liquid dispensing device.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a medical concentrated liquid dispensing device, including a liquid dispensing box body, the inner wall of the liquid dispensing box body is connected to a stirring barrel body, the top of the stirring barrel body is connected to an upper cover, the bottom of the upper cover is connected to a stirring device, the stirring device includes a stirring plate, a movable groove is opened in the stirring plate, the inner wall of the movable groove is connected to a partition, a bearing is embedded in the partition, and a rotating shaft is rotatably connected in the bearing, and reciprocating screws are connected at both ends of the rotating shaft, the outer wall of the reciprocating screw is threadedly connected to a threaded seat, and the two threaded seats are connected to a stirring rod on the side away from each other, and one end of the reciprocating screw close to the upper part is connected to a connecting rod, and the top of the stirring plate is connected to a connecting block.

[0006] As a further description of the above technical solution:

[0007] One end of the connecting rod extends out of the moving groove and passes through the connecting block, and one end of the connecting rod is connected to the bottom of the upper cover.

[0008] As a further description of the above technical solution:

[0009] The two sides of the threaded seat are slidably connected to the inner wall of the movable groove, and one end of the reciprocating screw rod close to the bottom is rotatably connected to the bottom of the movable groove.

[0010] As a further description of the above technical solution:

[0011] The top of the upper cover is connected to two feeding ports, a motor is fixedly installed on the top of the upper cover, and the motor output shaft passes through the upper cover and is connected to a driving wheel, a driven wheel is meshed on one side of the driving wheel, and a connecting block passes through one side of the driven wheel and is fixedly connected.

[0012] As a further description of the above technical solution:

[0013] Mixing devices are provided on both sides of the stirring plate, and the mixing device includes two lifting cylinders, bearings are embedded on both sides of the inner wall of the lifting cylinder, and a rotating shaft is rotatably connected in the bearing, and the same auger is connected between the two rotating shafts, and the other end of the rotating shaft in the bearing embedded in the top of the lifting cylinder is connected to a rotating rod, and the other end of the rotating rod is connected to a gear, and the outer walls of the two gears are meshed with the same gear ring, and two connecting rods are connected to the outer wall of the lifting cylinder.

[0014] As a further description of the above technical solution:

[0015] The other end of the connecting rod is connected to one side of the stirring plate, and the outer wall of the gear ring is connected to the inner wall of the stirring barrel.

[0016] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0017] 1. In the utility model, by setting a stirring device, the motor drives the driven wheel to rotate through the driving wheel, and then the driven wheel drives the connecting block to rotate, the connecting block drives the stirring plate to rotate, and the reciprocating screw rod is driven to remain stationary through the connecting rod, and then the stirring plate drives the threaded seat to rotate, so that the threaded seat drives the stirring rod to move up and down, so that the stirring rod stirs the mixed liquid in the vertical direction, thereby improving the uniformity of stirring.

[0018] 2. In the utility model, a mixing device is provided, and the lifting cylinder is driven to move by a connecting rod, and then the lifting cylinder drives the top gear to move, and the gear meshes and rotates in the gear ring, and then the auger is driven to rotate by a rotating rod, so that the auger transports the liquid medicine at the bottom to the upper part, thereby further improving the uniformity of the liquid medicine mixing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a three-dimensional structural schematic diagram of a medical concentrated liquid dispensing device proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of a stirring barrel of a medical concentrated liquid dispensing device proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a stirring device for a medical concentrated liquid dispensing device proposed by the utility model;

[0022] Figure 4 The utility model discloses a mixing device structure schematic diagram of a medical concentrated liquid dispensing device.

[0023] Legend: 1. Liquid dispensing box; 2. Motor; 3. Upper cover; 4. Feeding port; 5. Mixing barrel; 6. Driven wheel; 7. Driving wheel; 8. Mixing device; 801. Connecting rod; 802. Mixing plate; 803. Connecting block; 804. Threaded seat; 805. Mixing rod; 806. Reciprocating screw rod; 807. Partition plate; 808. Moving trough; 9. Mixing device; 901. Gear ring; 902. Gear; 903. Rotating rod; 904. Lifting cylinder; 905. Auger; 906. Connecting rod. DETAILED DESCRIPTION

[0024] 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. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0025] See also Figure 1-4 The utility model provides a technical solution: a medical concentrated liquid dispensing device, including a dispensing box 1, the inner wall of the dispensing box 1 is connected to a stirring barrel 5, the top of the stirring barrel 5 is connected to an upper cover 3, the bottom of the upper cover 3 is connected to a stirring device 8, the stirring device 8 includes a stirring plate 802, a moving groove 808 is opened in the stirring plate 802, the inner wall of the moving groove 808 is connected to a partition 807, a bearing is embedded in the partition 807, and a rotating shaft is rotatably connected in the bearing, and reciprocating screws 806 are connected at both ends of the rotating shaft, and the outer wall of the reciprocating screw 806 is threadedly connected to a threaded seat 804, and the two threaded seats 804 are connected to the sides away from each other with stirring rods 805, and the upper One end of the reciprocating screw 806 is connected to the connecting rod 801, and the top of the stirring plate 802 is connected to the connecting block 803, one end of the connecting rod 801 extends out of the movable groove 808 and passes through the connecting block 803, and one end of the connecting rod 801 is connected to the bottom of the upper cover 3, and the two sides of the threaded seat 804 are slidingly connected to the inner wall of the movable groove 808, and one end of the reciprocating screw 806 near the bottom is rotatably connected to the bottom of the movable groove 808, and the top of the upper cover 3 is connected to two feeding ports 4, and the top of the upper cover 3 is fixedly installed with a motor 2, and the output shaft of the motor 2 passes through the upper cover 3 and is connected to a driving wheel 7, one side of the driving wheel 7 is meshed with a driven wheel 6, and the connecting block 803 passes through one side of the driven wheel 6 and is fixedly connected.

[0026] In a specific implementation manner, a stirring device 8 is provided, and the output shaft of the motor 2 drives the driving wheel 7 to rotate, so that the driving wheel 7 drives the driven wheel 6 to rotate, and the rotation of the driven wheel 6 drives the connecting block 803 to rotate, and the connecting block 803 drives the stirring plate 802 to rotate, and the reciprocating screw rod 806 is driven to remain stationary through the connecting rod 801 connected to the bottom of the upper cover 3, so that the stirring plate 802 rotates relative to the reciprocating screw rod 806, so that the threaded seat 804 moves back and forth up and down, and then the threaded seat 804 drives the stirring rod 805 to move up and down, and the mixed liquid is vertically stirred by the up and down movement of the stirring rod 805, thereby improving the stirring efficiency.

[0027] A mixing device 9 is provided on both sides of the stirring plate 802, and the mixing device 9 includes two lifting cylinders 904, bearings are embedded on both sides of the inner wall of the lifting cylinder 904, and a rotating shaft is rotatably connected in the bearing, and the same auger 905 is connected between the two rotating shafts, and the other end of the rotating shaft in the bearing embedded in the top of the lifting cylinder 904 is connected to a rotating rod 903, and the other end of the rotating rod 903 is connected to a gear 902, and the outer walls of the two gears 902 are meshed with the same gear ring 901, and the outer wall of the lifting cylinder 904 is connected to two connecting rods 906, the other end of the connecting rod 906 is connected to one side of the stirring plate 802, and the outer wall of the gear ring 901 is connected to the inner wall of the stirring barrel body 5.

[0028] In a specific implementation manner, a mixing device 9 is provided, and a connecting rod 906 is driven to rotate through a stirring plate 802, so that the connecting rod 906 drives a lifting cylinder 904 to move in a circle in a stirring barrel body 5, so that the lifting cylinder 904 drives a top gear 902 to move in a gear ring 901, so that the gear 902 rotates, and the rotating rod 903 is driven to rotate through the rotation of the gear 902, and the rotating rod 903 drives the auger 905 to rotate, so that the auger 905 transports the liquid medicine at the bottom to the upper part for remixing, thereby further improving the uniformity of stirring.

[0029] Working principle: When in use, the medicine liquid and the mixed liquid are injected through the two feeding ports 4, and the output shaft of the motor 2 rotates to drive the driving wheel 7 to rotate, and then drives the driven wheel 6 to rotate, and drives the stirring plate 802 at the bottom to rotate through the connecting block 803, and drives the reciprocating screw rod 806 to remain stationary through the connecting rod 801, so that the reciprocating screw rod 806 rotates relative to the stirring plate 802, and then the threaded seat 804 drives the stirring rod 805 to move up and down, so that the stirring rod 805 stirs vertically, and at the same time, the lifting cylinder 904 is driven to move through the connecting rod 906, so that the lifting cylinder 904 drives the top teeth to move in the gear ring 901, and then the gear 902 rotates to drive the rotating rod 903 to rotate, and the rotating rod 903 rotates to drive the bottom auger 905 to rotate, so that the auger 905 transports the medicine liquid and the mixed liquid at the bottom to the upper part for re-stirring, thereby further improving the uniformity of mixing.

[0030] In this application, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance; the term "plurality" refers to two or more, unless otherwise clearly defined. The terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; "connected" can be a direct connection or an indirect connection through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances;

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A medical concentrate dispensing device, comprising a dispensing box (1), characterized in that: The inner wall of the liquid dispensing box (1) is connected to a stirring barrel (5), the top of the stirring barrel (5) is connected to an upper cover (3), the bottom of the upper cover (3) is connected to a stirring device (8), the stirring device (8) comprises a stirring plate (802), a movable groove (808) is provided in the stirring plate (802), the inner wall of the movable groove (808) is connected to a partition (807), a bearing is embedded in the partition (807), and a rotating shaft is rotatably connected in the bearing, and both ends of the rotating shaft are connected to a reciprocating screw (806), the outer wall of the reciprocating screw (806) is threadedly connected to a threaded seat (804), and the two threaded seats (804) are connected to stirring rods (805) on the sides away from each other, and one end of the reciprocating screw (806) close to the upper part is connected to a connecting rod (801), and the top of the stirring plate (802) is connected to a connecting block (803).

2. A medical concentrate dispensing device according to claim 1, characterized in that: One end of the connecting rod (801) extends out of the moving groove (808) and passes through the connecting block (803), and one end of the connecting rod (801) is connected to the bottom of the upper cover (3).

3. A medical concentrate dispensing device according to claim 1, characterized in that: Both sides of the threaded seat (804) are slidably connected to the inner wall of the movable groove (808), and one end of the reciprocating screw rod (806) close to the bottom is rotatably connected to the bottom of the movable groove (808).

4. A medical concentrate dispensing device according to claim 1, characterized in that: The top of the upper cover (3) is connected to two feeding ports (4), a motor (2) is fixedly mounted on the top of the upper cover (3), and the output shaft of the motor (2) passes through the upper cover (3) and is connected to a driving wheel (7), one side of the driving wheel (7) is meshed with a driven wheel (6), and a connecting block (803) passes through one side of the driven wheel (6) and is fixedly connected.

5. The medical concentrate dispensing device according to claim 1, characterized in that: A mixing device (9) is provided on both sides of the stirring plate (802), and the mixing device (9) includes two lifting cylinders (904), bearings are embedded on both sides of the inner wall of the lifting cylinder (904), and a rotating shaft is rotatably connected in the bearing, and the same auger (905) is connected between the two rotating shafts, and the other end of the rotating shaft in the bearing embedded in the top of the lifting cylinder (904) is connected to a rotating rod (903), and the other end of the rotating rod (903) is connected to a gear (902), and the outer walls of the two gears (902) are meshed with the same gear ring (901), and the outer wall of the lifting cylinder (904) is connected to two connecting rods (906).

6. A medical concentrate dispensing device according to claim 5, characterized in that: The other end of the connecting rod (906) is connected to one side of the stirring plate (802), and the outer wall of the gear ring (901) is connected to the inner wall of the stirring barrel body (5).

Citation Information

Patent Citations

  • Automatic concentrated solution preparation device

    CN219540061U