Novel venous transfusion filter

By designing a structure that facilitates filter replacement and prevents impurity buildup, the problem of difficult filter replacement and impurity buildup in existing intravenous transfusion filters has been solved, thus improving transfusion quality and safety.

CN223716138UActive Publication Date: 2025-12-26高伟丽
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Patent Information

Application Number
CN202422963474.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-03
Publication Date
2025-12-26
Estimated Expiration
2034-12-03

AI Technical Summary

Technical Problem

Existing new intravenous blood transfusion filters are difficult to replace damaged filter elements, and impurities easily accumulate on the surface of the filter elements, affecting the filtration effect and blood transfusion safety.

Method used

A novel intravenous blood transfusion filter was designed, which enables convenient replacement of the filter element through a combination of a rotating block, mounting cylinder, movable rod, spring, locking rod, and locking block. At the same time, the motor, mounting rod, stirring plate, and arc plate structure are used to prevent local accumulation of impurities and ensure uniform deposition on the surface of the filter element.

Benefits of technology

This allows for timely replacement of the filter cartridge, improving the quality and safety of blood transfusions, ensuring the continuous and stable filtration function of the filter cartridge, and preventing the accumulation of impurities.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223716138U_ABST
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Abstract

The utility model relates to the technical field of medical instruments, and discloses a novel venous transfusion filter which comprises a box body, a box cover is rotatably connected to one side of the box body, an installation block is installed on the other side of the box body, a fixing block is installed on one side of the box cover, and a rotating groove is formed in one side of the installation block. According to the novel venous blood transfusion filter, through the arrangement of a rotating block, a mounting cylinder, a movable rod, a spring, a clamping rod and a clamping block, when a box body is cleaned and a damaged filter element is replaced, a pull block is pulled firstly to drive the movable rod to move, meanwhile, the spring is stretched, so that the clamping rod is far away from a clamping groove, and then the mounting cylinder is rotated by a certain angle through the rotating block; the box body can be opened by rotating the box cover by releasing the locking of the clamping rod on the clamping block, so that the internal structure of the box body is exposed, the damaged filter element is replaced, and the performance of the venous blood transfusion filter is ensured and the blood transfusion quality and safety are improved by replacing the damaged filter element in time.
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Description

TECHNICAL FIELD

[0001] The utility model relates to medical instrument technical field especially relates to a novel intravenous blood transfusion filter. BACKGROUND

[0002] The traditional intravenous blood transfusion filter has limitations, including insufficient filtering effect, unsatisfactory filtering of harmful substances such as micro-particles and white blood cells, and easy induction of adverse reactions of blood transfusion; prominent problem of easy blockage, unreasonable filter screen design leading to impurity accumulation, affecting blood transfusion speed and being difficult and costly to clean; lack of effective monitoring mechanism, and medical staff cannot master the working state in real time. At the same time, the clinical blood transfusion safety requirement is improved, the purity requirement of blood products is more strict, and blood transfusion needs to be more stable and efficient under complex medical environment.

[0003] However, the existing novel intravenous blood transfusion filter has the following shortcomings:

[0004] (1) The existing novel intravenous blood transfusion filter is usually integrated, and it is difficult to replace the damaged filter core while ensuring the performance of the intravenous blood transfusion filter, thereby reducing the quality and safety of blood transfusion.

[0005] (2) The existing novel intravenous blood transfusion filter has a simple structure, and impurities are easily accumulated on the surface of the filter core in a local area, so that the filtering function of the filter core cannot be continuously and stably exerted.

[0006] Therefore, the utility model provides a novel intravenous blood transfusion filter. UTILITY MODEL CONTENT

[0007] (I) Technical problem solved

[0008] The utility model solves the technical problem of providing a novel intravenous blood transfusion filter with high practicability and simple structure, which can be operated simply, and solves the problems of difficulty in replacing the damaged filter core while ensuring the performance of the intravenous blood transfusion filter and easy accumulation of impurities on the surface of the filter core in a local area.

[0009] (II) Technical scheme

[0010] In order to achieve the above object, the utility model discloses a novel intravenous transfusion filter through the following technical schemes, a novel intravenous transfusion filter, including the box, the one side of box is rotatably connected with the box cover, the other side of box is installed with the mounting block, the one side of box cover is installed with the fixed block, the one side of mounting block is opened with the rotation groove, the inside rotation of rotation groove is connected with the rotating block, the one side of rotating block is installed with the installation cylinder, the inner lateral wall of installation cylinder is movably connected with the movable rod, the one end between movable rod's surface and the inner lateral wall of installation cylinder is connected with the spring, the surface of movable rod is fixedly penetrated with the clamping rod, the surface fixedly connected with the clamping block of fixed block, the one side of clamping block is opened with the clamping groove that is matched with clamping rod, the inside of clamping rod is clamped in clamping groove, the inner lateral wall of box is provided with filter core, the top and bottom of box are installed with input pipe and output pipe respectively, the back of box is installed with motor, the output of motor is spline connected with transmission rod, the one end of transmission rod is fixedly connected with the installation rod, the surface of installation rod is fixedly connected with a plurality of stirring plates, the one side of each stirring plate is opened with the rectangular hole, and the one end of each stirring plate is fixedly connected with the arc plate.

[0011] Optionally, the surface of the movable rod is fixedly connected with a limiting block, the inner lateral wall of the installation cylinder is provided with a limiting slot matched with the limiting block, and the limiting block is slidably connected in the limiting slot, so that the stability of the movable rod during movement is ensured.

[0012] Optionally, the other end of the movable rod is fixedly connected with a pull block, and the surface of the pull block is provided with anti-skid lines, so as to facilitate the medical staff to pull the movable rod.

[0013] Optionally, the surface of the box cover is provided with an observation window, and the material of the observation window is tempered glass, so as to facilitate the medical staff to observe the internal condition of the device.

[0014] Optionally, a sealing strip is arranged at the opening of the box body, and the material of the sealing strip is medical rubber, so as to improve the sealing performance of the device.

[0015] Optionally, the inner lateral wall of the box body is fixedly connected with a filter core holder, the one side of the filter core holder is provided with a sliding groove, and the filter core is slidably connected in the sliding groove, so as to ensure that the filter core moves at a specific position.

[0016] (Three) beneficial effects

[0017] The utility model provides a novel intravenous transfusion filter, has the following beneficial effects:

[0018] 1. The novel intravenous blood transfusion filter, through the setting of rotating block, mounting cylinder, movable rod, spring, clamping rod and clamping block, when cleaning the box body and replacing the damaged filter element, first pull the pull block to drive the movable rod to move, at the same time stretch the spring, make the clamping rod away from the clamping groove, then rotate the mounting cylinder through the rotating block to a certain angle, unlock the clamping rod to the clamping block, can open the box body through rotating the box cover, so that the structure inside the box body is exposed, and the damaged filter element is replaced, timely replacement of the damaged filter element can ensure the performance of the intravenous blood transfusion filter, improve the quality and safety of blood transfusion.

[0019] 2. The novel intravenous blood transfusion filter, through the setting of motor, mounting rod, stirring plate and arc plate, when using the device, first start the motor to drive the mounting rod to rotate, make it drive the stirring plate to rotate, make the stirring plate drive the arc plate to rotate, stir the impurities close to the top or edge of the filter element upward or to the central area, avoid the impurities to accumulate in the local, can make these fibrin more evenly deposited on the surface of the filter element, make the filter function of the filter element can continuously and stably play. BRIEF DESCRIPTION OF DRAWINGS

[0020] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0021] Fig. 2 It is the mounting rod structure schematic diagram of the utility model;

[0022] Fig. 3 It is the mounting cylinder section structure schematic diagram of the utility model;

[0023] Fig. 4 It is the box body section structure schematic diagram of the utility model.

[0024] In the drawing: 1, box body; 2, box cover; 3, mounting block; 4, fixed block; 5, rotating block; 6, mounting cylinder; 7, movable rod; 8, spring; 9, clamping rod; 10, clamping block; 11, filter element; 12, input pipe; 13, output pipe; 14, motor; 15, mounting rod; 16, stirring plate; 17, arc plate; 18, limit block; 19, pull block; 20, observation window; 21, sealing strip; 22, filter element holder. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range protected by the utility model.

[0026] Please refer to Figs. 1 to 4The utility model provides a technical scheme: a novel intravenous transfusion filter, including box body 1, the side rotation of box body 1 is connected with box cover 2, the other side of box body 1 is installed with mounting block 3, the side installation of box cover 2 has fixed block 4, the side of mounting block 3 is opened with rotation groove, the inside rotation of rotation groove is connected with rotating block 5, the side installation of rotating block 5 has installation cylinder 6, the inner side wall movable joint of installation cylinder 6 has movable link 7, the one end of movable link 7 and the inner side wall of installation cylinder 6 are jointly connected with spring 8, the surface fixed penetration of movable link 7 has clamping rod 9, the surface fixed connection of fixed block 4 has clamping block 10, the side of clamping block 10 is opened with the clamping groove of clamping rod 9 adaptation, and clamping rod 9 is clamped in the inside of clamping groove, through the setting of rotating block 5, installation cylinder 6, movable link 7, spring 8, clamping rod 9 and clamping block 10, when washing and replacing damaged filter core 11 of box body 1, first pull the pull block 19 and drive movable link 7 to move, and stretch spring 8 at the same time, so that clamping rod 9 is away from clamping groove, then through rotating block 5, installation cylinder 6 is rotated by a certain angle, and clamping rod 9 is unlocked to clamping block 10, so that box body 1 can be opened by rotating box cover 2, so that the structure in the inside of box body 1 is exposed, and damaged filter core 11 is replaced, and timely replacement of damaged filter core 11 can ensure the performance of intravenous transfusion filter, improve the quality and safety of blood transfusion, the inner side wall of box body 1 is provided with filter core 11, the top and bottom of box body 1 are installed with input pipe 12 and output pipe 13 respectively, the back of box body 1 is installed with motor 14, the output end of motor 14 is spline connected with transmission rod, one end of transmission rod is fixedly connected with mounting rod 15, the surface of mounting rod 15 is fixedly connected with a plurality of stirring plates 16, a rectangular hole is formed in one side of each stirring plate 16, one end of each stirring plate 16 is fixedly connected with an arc plate 17, through the setting of motor 14, mounting rod 15, stirring plate 16 and arc plate 17, when using the device, first start motor 14 to drive mounting rod 15 to rotate, so that it drives stirring plate 16 to rotate, so that stirring plate 16 drives arc plate 17 to rotate, and the impurities close to the top or edge of filter core 11 are stirred upwards or to the central area, to avoid the accumulation of impurities in the local area, so that the fibrin can be more evenly deposited on the surface of the entire filter core 11, so that the filtering function of filter core 11 can be continuously and stably exerted;

[0027] The surface of movable link 7 is fixedly connected with a limiting block 18, through the setting of limiting block 18, the stability of movable link 7 is ensured when moving, the inner side wall of installation cylinder 6 is opened with the limiting slot of limiting block 18 adaptation, and limiting block 18 is slidably connected in the inside of limiting slot;

[0028] The other end of movable link 7 is fixedly connected with pull block 19, through the setting of pull block 19, it is convenient for medical staff to pull movable link 7, and the surface of pull block 19 is provided with anti-skid lines;

[0029] The surface of the box cover 2 is provided with an observation window 20, through the setting of the observation window 20, the inside condition of the device is observed by medical staff, the material of the observation window 20 is tempered glass material;

[0030] The opening of the box body 1 is provided with a sealing strip 21, through the setting of the sealing strip 21, the sealing property of the device is improved, the material of the sealing strip 21 is medical rubber material;

[0031] The inner side wall of the box body 1 is fixedly connected with a filter core frame 22, through the setting of the filter core frame 22, the movement of the filter core 11 in a specific position is ensured, one side of the filter core frame 22 is provided with a sliding groove, and the filter core 11 is slidably connected in the inside of the sliding groove.

[0032] In the utility model, the working steps of the device are as follows:

[0033] The first step is that first, the movable rod 7 is driven to move by pulling the pull block 19, the spring 8 is stretched, the clamping rod 9 is away from the clamping groove, then the mounting cylinder 6 is rotated by a certain angle through the rotating block 5, the clamping rod 9 is unlocked to the clamping block 10, the box body 1 can be opened by rotating the box cover 2, so that the structure in the box body 1 is exposed, and the damaged filter core 11 is replaced, and the damaged filter core 11 is replaced in time, which guarantees the performance of the intravenous blood transfusion filter and improves the quality and safety of blood transfusion.

[0034] The second step is that the motor 14 is started to drive the mounting rod 15 to rotate, the stirring plate 16 is driven to rotate, the arc-shaped plate 17 is driven to rotate, the impurities close to the top or the edge of the filter core 11 are stirred upwards or to the central area, the impurities are prevented from accumulating in the local part, the fibrin can be more evenly deposited on the surface of the whole filter core 11, and the filtering function of the filter core 11 can be continuously and stably exerted.

[0035] It should be noted that the equipment structure and the drawings of the utility model mainly describe the principle of the utility model, the setting of the power mechanism, the power supply system and the control system of the device is not completely described clearly in the design principle technology, and under the premise that the above-mentioned principle of the utility model is understood by the technical personnel in the field, the specific of the power mechanism, the power supply system and the control system can be clearly known, the control mode of the application file is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the field;

[0036] The standard parts used in the application can be purchased from the market, and can be ordered according to the description and the drawings. The specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art. The mechanical parts and equipment adopt the conventional type in the prior art, and the components known to the person skilled in the art are known to the person skilled in the art through technical manual or conventional experimental method.

[0037] Although the embodiments of the present application have been shown and described, it should be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A new type of intravenous blood transfusion filter comprising a box (1), characterized in that: The side of the box body (1) is rotatably connected with the box cover (2), the other side of the box body (1) is installed with the mounting block (3), one side of the box cover (2) is installed with the fixed block (4), one side of the mounting block (3) is provided with a rotating groove, the rotating groove is rotatably connected with the rotating block (5) in the inside, one side of the rotating block (5) is installed with the mounting cylinder (6), the inner side wall of the mounting cylinder (6) is movably connected with the movable rod (7), the movable rod (7) is movably connected with the spring (8) between one end and the inner side wall of the mounting cylinder (6), the surface of the movable rod (7) is fixedly penetrated with the clamping rod (9), the surface of the fixed block (4) is fixedly connected with the clamping block (10), one side of the clamping block (10) is provided with the clamping groove matched with the clamping rod (9), the clamping rod (9) is clamped in the inside of the clamping groove, the inner side wall of the box body (1) is provided with the filter core (11), the top and bottom of the box body (1) are respectively installed with the input pipe (12) and the output pipe (13), the back of the box body (1) is installed with the motor (14), the output end of the motor (14) is spline-connected with the transmission rod, one end of the transmission rod is fixedly connected with the mounting rod (15), the surface of the mounting rod (15) is fixedly connected with a plurality of stirring plates (16), one side of each stirring plate (16) is provided with a rectangular hole, one end of each stirring plate (16) is fixedly connected with the arc-shaped plate (17).

2. A new type of intravenous blood transfusion filter according to claim 1, characterized in that: The surface of the movable rod (7) is fixedly connected with the limiting block (18), the inner side wall of the mounting cylinder (6) is provided with the limiting groove matched with the limiting block (18), the limiting block (18) is slidably connected in the inside of the limiting groove.

3. A new type of intravenous blood transfusion filter as claimed in claim 1, wherein: The other end of the movable rod (7) is fixedly connected with the pulling block (19), the surface of the pulling block (19) is provided with the anti-skid pattern.

4. A new type of intravenous blood transfusion filter as claimed in claim 1, wherein: The surface of the box cover (2) is installed with the observation window (20), the material of the observation window (20) is tempered glass material.

5. A new type of intravenous blood transfusion filter as claimed in claim 1, wherein: The opening of the box body (1) is provided with the sealing strip (21), the material of the sealing strip (21) is medical rubber material.

6. A new type of intravenous blood transfusion filter as claimed in claim 1, wherein: The inner side wall of the box body (1) is fixedly connected with the filter core frame (22), one side of the filter core frame (22) is provided with the sliding groove, the filter core (11) is slidably connected in the inside of the sliding groove.