Blood filtering instrument

Abstract

The utility model provides a blood filtration instrument, including mounting rack and install the blood bag suspension device on the mounting rack, the blood bag suspension device includes a plurality of hooks, the plug breaking device includes a plurality of plug breaking mechanisms, the plug breaking mechanisms are located below the hooks one by one, the plug breaking mechanisms are located below the hooks one by one, and the plug breaking mechanisms are located below the hooks one by one. The blood bag containing device is located below the plug breaking device. Medical staff only need to hang a whole blood bag on the hook, plug a blood bag plug rod into the plug breaking mechanism, place a white blood bag into the blood bag containing device and start the device, automatic plug breaking can be achieved, the problems that manual plug breaking consumes time and labor, and is low in efficiency are effectively solved, and full-automatic blood filtering is achieved.

Description

Technical Field

[0001] The present application relates to the technical field of medical devices, and in particular to a blood filter. Background Art

[0002] The existing blood filtration device includes a hook plate for hanging the original blood bag and a tray for placing the leukoreductone bag. The original blood bag is hung on the hook plate, and the filtered blood components flow to the leukoreductone bag by the blood's own gravity through the catheter and filter, and then the catheter is heat-sealed and separated by a heat-sealing device, and then the leukoreductone bag is processed in the next step. For example, the method currently used to filter white blood cells is to hang the whole blood bag on the hook plate, and then the whole blood in the whole blood bag flows downward by gravity and passes through the filter, so that the white blood cells in the whole blood in the bag are filtered, and then the leukoreductone whole blood is collected in the leukoreductone bag. Each whole blood bag has a plug rod for sealing at the top entrance to ensure the vacuum sealing effect of the blood bag. Before hanging the whole blood bag on the hook plate, medical staff need to manually break the plug rod to connect the whole blood bag with the catheter. Manually breaking the plug rod is not only time-consuming, labor-consuming, and inefficient, but also easy to cause occupational diseases such as thumb tenosynovitis if medical staff manually break the plug rod for a long time. Summary of the invention

[0003] The purpose of the present application is to overcome the deficiencies of the prior art and to provide a blood filter that can automatically break the blockage, so as to solve the problem that the blockage needs to be manually broken before blood filtration, which is time-consuming, labor-intensive and inefficient.

[0004] The embodiments of the present application achieve the above-mentioned objectives through the following technical solutions.

[0005] In some embodiments, the blood filter includes a mounting frame and a blood bag hanging device, a plugging device and a blood bag containing device installed on the mounting frame. The blood bag hanging device includes a plurality of hooks, the plugging device includes a plurality of plugging mechanisms, and the plugging mechanisms are located one by one below the hooks, and the blood bag containing device is located below the plugging device.

[0006] In some embodiments, a partition is provided inside the blood bag containing device to divide the blood bag into a plurality of upwardly open receiving chambers, and the receiving chambers are located one by one below the plug breaking mechanism.

[0007] In some embodiments, the blood filter also includes multiple weighing sensors and a controller. A connecting mechanism is provided between the hook and the plugging mechanism. The hooks are installed on the plugging mechanism one by one through the connecting mechanism. The plugging mechanism is installed on the weighing sensors one by one. The multiple weighing sensors are electrically connected to the controller respectively.

[0008] In some embodiments, the connecting mechanism includes a hook fixing member and an adjusting rod, the hook is fixedly installed below the hook fixing member, the hook fixing member is adjustably mounted on the adjusting rod up and down, and the adjusting rod is installed on the blocking mechanism.

[0009] In some embodiments, the hook fixing member is provided with a mounting hole for the adjusting rod to pass through, and the side wall of the hook fixing member is provided with a top screw hole, the top screw is screwed to the inner wall of the top screw hole, and the hook fixing member is locked to the outer wall of the adjusting rod by tightening the top screw to apply pressure to the adjusting rod.

[0010] In some embodiments, the plug-breaking mechanism is installed with a sleeve base, the bottom end of the adjusting rod is installed in the sleeve base, a threaded hole is opened on the side wall of the sleeve base, and the screw is screwed on the inner wall of the threaded hole. By tightening the screw, pressure is applied to the adjusting rod to lock the adjusting rod on the inner wall of the sleeve base.

[0011] In some embodiments, the mounting frame includes a rotating shaft assembly and a mounting plate mounted on the rotating shaft assembly, the weighing sensors are mounted on the mounting plate in a circular distribution, the blood bag holding device is cylindrical, the blood bag holding device is mounted on the rotating shaft assembly, and the mounting plate and the blood bag holding device rotate synchronously.

[0012] In some embodiments, it also includes a snowflake disk mounted on the rotating shaft assembly, the snowflake disk is arranged below the mounting disk, the mounting disk and the snowflake disk rotate synchronously, the snowflake disk is composed of multiple "Y"-shaped structures, and is in the shape of a snowflake. A space with an opening is enclosed between two "Y"-shaped structures for separating blood bag catheters, and a handle is installed on the snowflake disk.

[0013] In some embodiments, the plugging mechanism includes a fixed seat, a first plugging head installed on the fixed seat, a second plugging head, a first cylindrical gear, a second cylindrical gear and a driving module; the first plugging head and the second plugging head both have clamping openings for respectively clamping the two ends of the blood bag plug rod; the first plugging head is fixedly connected to the first cylindrical gear, the second plugging head is fixedly connected to the second cylindrical gear, the first cylindrical gear is meshed with the second cylindrical gear, and the driving module is drivingly connected to the second cylindrical gear to drive the second cylindrical gear to rotate.

[0014] In some embodiments, the driving module includes a first bevel gear, a second bevel gear, a third cylindrical gear and a motor installed on a fixed seat. The output shaft of the motor is connected to the first bevel gear to drive the first bevel gear to rotate. The first bevel gear and the second bevel gear are meshed. The intersection angle between the two axes of the first bevel gear and the second bevel gear is 90°. The second bevel gear is fixedly connected to the third cylindrical gear through a connecting shaft, and the second cylindrical gear and the third cylindrical gear are meshed.

[0015] In some embodiments, a lifting module is also included, and the lifting module is connected to the blood bag accommodating device to drive the blood bag accommodating device to rise and fall.

[0016] The present application sets up multiple plugging mechanisms, and medical staff only need to hang the whole blood bag on a hook, insert the blood bag plug rod into the plugging mechanism, place the leukoreduced blood bag in the blood bag holding device, and start the equipment to achieve automatic plugging, which effectively solves the problems of time-consuming, labor-intensive, and inefficient manual plugging, and realizes fully automatic blood filtration. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0018] Figure 1 This is a diagram of the blood bag in use according to the embodiment of the blood filter of the present application;

[0019] Figure 2 This is a schematic diagram of the overall structure of an embodiment of the blood filter of the present application;

[0020] Figure 3 This is a schematic diagram of the structure of the hook, the plug-breaking mechanism and the weighing sensor in the blood filter of the present application;

[0021] Figure 4 This is a schematic diagram of the overall structure of the blood filter embodiment of the present application from another perspective;

[0022] Figure 5 This is a structural schematic diagram of the plugging mechanism and weighing sensor in the blood filter of this application. Implementation

[0023] 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 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. In the description of the utility model, it should be noted that unless otherwise clearly stipulated and limited, the terms "installed", "located on", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the utility model can be understood according to specific circumstances.

[0024] refer to Figure 1 , Figure 2 , Figure 3 As shown, the blood bag assembly 1 includes a whole blood bag 11, a catheter 12, a filter 13 and a leukoreductone bag 14, and the blood filter 2 includes a mounting frame 21 and a blood bag hanging device 22, a plug breaking device 23 and a blood bag containing device 24 installed on the mounting frame 21. The blood bag hanging device 22 includes a plurality of hooks 221, and the hooks 221 are used to hang the whole blood bag 11. The plug breaking device 23 includes a plurality of plug breaking mechanisms 231, and the plug breaking mechanisms 231 are located one by one directly below the hooks 221, and the plug breaking mechanisms 231 are used to automatically break the plug rod 15 at the top entrance of the whole blood bag 11. The blood bag containing device 24 is located directly below the plug breaking device 23, and the blood bag containing device 24 is used to hold the leukoreductone bag 14. The blood in the whole blood bag 11 flows to the leukoreductone bag 14 through the catheter 12 and the filter 13, so that the white blood cells in the whole blood are filtered. Medical staff only need to hang the whole blood bag 11 on the hook 221, insert the part of the plug rod 15 at the top entrance of the whole blood bag 11 into the plugging mechanism 231, put the leukoreduced blood bag 14 into the blood bag containing device 24, and start the equipment to realize automatic plugging, which effectively solves the problems of time-consuming, labor-intensive and low-efficiency manual plugging, and realizes fully automatic blood filtration.

[0025] In some embodiments, a partition 242 is provided inside the blood bag receiving device 24 to divide it into a plurality of upwardly open receiving cavities 241, and the receiving cavities 241 are located one by one directly below the plugging mechanism 231, so that the leukoreductone bags 14 are received in the blood bag receiving device 24 in an orderly manner, and the stacking of the leukoreductone bags 14 and the entanglement of the catheter 12 are avoided, which affects the filtering effect. The number of the hooks 221, the plugging mechanism 231, and the receiving cavities 241 is preferably 20, but it is not limited thereto, and other numbers can be set according to actual needs.

[0026] refer to Figure 3 As shown, in some embodiments, the blood filter 2 also includes a plurality of weighing sensors 25 and a controller (not shown), a connecting mechanism 26 is provided between the hook 221 and the plugging mechanism 231, the hook 221 is mounted one-to-one on the plugging mechanism 231 through the connecting mechanism 26, and the plugging mechanism 231 is mounted one-to-one on the weighing sensor 25. The plurality of weighing sensors 25 are electrically connected to the controller respectively. The weighing sensor 25 weighs the suspended whole blood bag 11, the hook 221, the connecting mechanism 26 and the plugging mechanism 231, and transmits the weight data to the controller; the controller monitors the relationship between the weight data and time, determines whether the flow rate of blood filtration is abnormal (too slow or too fast), and issues an alarm if there is an abnormality. In addition, the medical staff is reminded after the blood filtration is completed, thereby realizing the function of blood filtration monitoring.

[0027] In some embodiments, the connecting mechanism 26 includes a hook fixing member 261 and an adjusting rod 262. The hook 221 is fixedly installed below the hook fixing member 261. The hook fixing member 261 is adjustably mounted on the adjusting rod 262 up and down. Specifically, the hook fixing member 261 is provided with a mounting hole for accommodating the adjusting rod 262 to pass through. The side wall of the hook fixing member 261 is provided with a top screw hole. The top screw 264 is screwed to the inner wall of the top screw hole. By tightening the top screw 264, pressure is applied to the adjusting rod 262 to lock the hook fixing member 261 to the outer wall of the adjusting rod 262. The height of the hook 221 can be manually adjusted by loosening the top screw 264. In other embodiments, the plugging mechanism 231 is installed with a sleeve base 263, the bottom end of the adjustment rod 262 is installed in the sleeve base 263, the side wall of the sleeve base 263 is provided with a threaded hole, the screw 265 is screwed on the inner wall of the threaded hole, and the adjustment rod 262 is locked to the inner wall of the sleeve base 263 by tightening the screw 265 to apply pressure to the adjustment rod 262, and the height of the adjustment rod 262 can be manually adjusted by loosening the screw. Since the distances from the hanging hole to the plug rod 15 of whole blood bags 11 of different sizes of 200ml, 300ml, and 400ml are different, the present application is compatible with whole blood bags 11 of different sizes by adjusting the height of the hook 221 or adjusting the height of the adjustment rod 262.

[0028] refer to Figure 4 As shown, in some embodiments, the mounting frame 21 includes a rotating shaft assembly 211 and a mounting plate 27 sleeved on the rotating shaft assembly 211, and a plurality of weighing sensors 25 are installed on the mounting plate 27 in a circular distribution, and the hooks 221 and the plugging mechanism 231 are installed on the weighing sensors 25, so the plurality of hooks 221 and the plugging mechanism 231 are also distributed in a circular distribution. The blood bag receiving device 24 is cylindrical, and the blood bag receiving device 24 is sleeved on the rotating shaft assembly 211. The whole blood bag 11 to be filtered is hung on the plurality of hooks 221, and the hooks 221, the plugging mechanism 231, and the receiving chamber 241 rotate synchronously, which is convenient for medical staff to hang the whole blood bag 11. Compared with the method of hanging blood bags side by side, the blood filter greatly saves space and is convenient to operate.

[0029] In some embodiments, it also includes a snowflake disk 28 sleeved on the rotating shaft assembly 211, and the snowflake disk 28 is arranged below the mounting disk 27, and the snowflake disk 28 and the mounting disk 27 rotate synchronously. The snowflake disk is composed of multiple "Y"-shaped structures 281, which are in the shape of snowflakes. An open space 284 with an opening 283 is enclosed between two "Y"-shaped structures 281. Medical staff can insert a certain number of blood bag catheters 12 into the space 284 from the opening 283. The function of the snowflake disk is to separate the blood bag catheters 12 to prevent multiple catheters 12 from being entangled during the rotation process, which affects the filtering effect. In some embodiments, a handle 282 is installed on the snowflake disk, which is used by medical staff to hold the handle 282 to rotate the snowflake disk 28 and hang the whole blood bags 11 in sequence.

[0030] refer to Figure 5 As shown, in some embodiments, the plugging mechanism 231 includes a fixed base 2311, a first plugging head 2312 installed on the fixed base 2311, a second plugging head 2313, a first cylindrical gear 2314, a second cylindrical gear 2315 and a driving module; the first plugging head 2312 and the second plugging head 2313 both have clamping openings for respectively clamping the two ends of the plug rod 15 of the whole blood bag 11; the first plugging head 2312 is fixedly connected to the first cylindrical gear 2314, the second plugging head 2313 is fixedly connected to the second cylindrical gear 2315, the first cylindrical gear 2314 is meshed with the second cylindrical gear 2315, the driving module is drivingly connected to the second cylindrical gear 2315 to drive the second cylindrical gear 2315 to rotate, and the first cylindrical gear 2314 rotates in the opposite direction. The embodiment of the present application adopts two plug-breaking heads to clamp the upper and lower ends of the plug rod 15 of the whole blood bag 11, and then drives the two plug-breaking heads to rotate back and forth in relative opposite directions at the same time through a driving module to achieve breaking the plug rod 15 at the top of the whole blood bag 11. Compared with the existing manual breaking operation, the workload of the staff is reduced and the work efficiency is improved; compared with the technology of only a single plug-breaking head clamping the plug rod 15 and rotating back and forth to break the plug rod 15, the two plug-breaking heads make the bending angle range of the plug rod 15 larger, the breaking success rate is higher, and the efficiency is higher.

[0031] In some embodiments, the drive module also includes a first bevel gear 2316, a second bevel gear 2317, a third cylindrical gear 2318 and a motor 2319 mounted on the fixed seat 2311, the output shaft of the motor 2319 is connected to the first bevel gear 2316 to drive the first bevel gear 2316 to rotate, the first bevel gear 2316 and the second bevel gear 2317 are meshed, the intersection angle between the first bevel gear 2316 and the second bevel gear 2317 is 90°, the second bevel gear 2317 is fixedly connected to the third cylindrical gear 2318 through a connecting shaft, and the second cylindrical gear 2315 is meshed with the third cylindrical gear 2318. In this embodiment, the number of the third cylindrical gear 2318 is 2, which are meshed in sequence. In this embodiment, a plurality of third cylindrical gears 2318, the first bevel gear 2316 and the second bevel gear 2317 are added to drive so that the motor 2319 can obtain a suitable installation space.

[0032] In some embodiments, the blood filter 2 further includes a lifting module (not shown), which is connected to the blood bag receiving device 24 to drive the blood bag receiving device 24 to lift. When the blood bag receiving device 24 is provided with a lifting function, the blood filter 2 can also be used for plasma virus inactivation. The current method for plasma virus inactivation is to first hang the original blood bag on the hook 221, connect it to the transfer bag below through a catheter, and set a methylene blue powder box between the two; then illuminate the transfer bag with methylene blue added, so that the virus completely loses the ability to penetrate, replicate and infect; after the illumination is completed, the transfer bag is hung on the hook 221, connected to the plasma finished bag below through a catheter, and set a filter for filtering methylene blue from the plasma between the two. The length of the blood bag catheter used for filtering inactivated plasma and filtering white blood cells is different. The longer blood bag catheter will cause the catheter to wrap around the equipment, which is easy to cause the filter to be pulled off; the shorter blood bag catheter will be suspended in the air, affecting the filtering effect. At this time, by setting up a lifting module, the blood bag holding device 24 can be moved up and down while realizing the synchronous rotation of the blood bag hanging device 22 and the blood bag holding device 24, thereby changing the height difference between the blood bag hanging device 22 and the blood bag holding device 24, so as to adapt to the different lengths of the filter, and can also lift the blood bag holding device 24 to a suitable position in each link of blood filtration, thereby reducing the staff's frequent bending over to operate the blood bags and preventing lumbar muscle strain.

[0033] The above are only preferred embodiments of the utility model, and do not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A blood filter, characterized in that: It includes a mounting frame and a blood bag hanging device, a plugging device and a blood bag containing device installed on the mounting frame. The blood bag hanging device includes a plurality of hooks. The plugging device includes a plurality of plugging mechanisms. The plugging mechanisms are located below the hooks in a one-to-one correspondence. The blood bag containing device is located below the plugging device.

2. The blood filter according to claim 1, characterized in that: The blood bag containing device is provided with a partition plate for dividing the blood bag into a plurality of upwardly open receiving chambers, and the receiving chambers are located below the plug breaking mechanism in a one-to-one correspondence.

3. The blood filter according to claim 1 or 2, characterized in that: It also includes multiple weighing sensors and a controller. A connecting mechanism is provided between the hook and the blocking mechanism. The hook is installed on the blocking mechanism one by one through the connecting mechanism. The blocking mechanism is installed on the weighing sensor one by one. The multiple weighing sensors are electrically connected to the controller respectively.

4. The blood filter according to claim 3, characterized in that: The connecting mechanism includes a hook fixing part and an adjusting rod, the hook is fixedly installed below the hook fixing part, the hook fixing part is adjustably sleeved on the adjusting rod up and down, and the adjusting rod is installed on the plugging mechanism.

5. The blood filter according to claim 4, characterized in that: The hook fixing piece is provided with a mounting hole for allowing the adjusting rod to pass through, and the side wall of the hook fixing piece is provided with a top screw hole, and the top screw is screwed on the inner wall of the top screw hole. By tightening the top screw, pressure is applied to the adjusting rod to lock the hook fixing piece on the outer wall of the adjusting rod.

6. The blood filter according to claim 4, characterized in that: The plug-breaking mechanism is installed with a sleeve base, and the bottom end of the adjusting rod is installed in the sleeve base. A threaded hole is opened on the side wall of the sleeve base, and a screw is screwed on the inner wall of the threaded hole. By tightening the screw, pressure is applied to the adjusting rod to lock the adjusting rod on the inner wall of the sleeve base.

7. The blood filter according to claim 3, characterized in that: The mounting frame includes a rotating shaft assembly and a mounting plate mounted on the rotating shaft assembly, the weighing sensors are mounted on the mounting plate in a circular distribution, the blood bag containing device is cylindrical, the blood bag containing device is mounted on the rotating shaft assembly, and the mounting plate and the blood bag containing device rotate synchronously.

8. The blood filter according to claim 7, characterized in that: It also includes a snowflake disk mounted on the rotating shaft assembly, the snowflake disk is arranged below the mounting disk, the mounting disk and the snowflake disk rotate synchronously, the snowflake disk is composed of a plurality of "Y"-shaped structures, in the shape of a snowflake, a space with an opening is enclosed between two "Y"-shaped structures, which is used to separate the blood bag catheter, and a handle is installed on the snowflake disk.

9. The blood filter according to claim 1, characterized in that: The plugging mechanism includes a fixed seat, a first plugging head installed on the fixed seat, a second plugging head, a first cylindrical gear, a second cylindrical gear and a driving module; the first plugging head and the second plugging head both have clamping openings for respectively clamping the two ends of the blood bag plug rod; the first plugging head is fixedly connected to the first cylindrical gear, the second plugging head is fixedly connected to the second cylindrical gear, the first cylindrical gear is meshed with the second cylindrical gear, and the driving module is drivingly connected to the second cylindrical gear to drive the second cylindrical gear to rotate.

10. The blood filter according to claim 9, characterized in that: The driving module includes a first bevel gear, a second bevel gear, a third cylindrical gear and a motor installed on the fixed base. The output shaft of the motor is connected to the first bevel gear to drive the first bevel gear to rotate. The first bevel gear is meshed with the second bevel gear. The intersection angle between the two axes of the first bevel gear and the second bevel gear is 90°. The second bevel gear is fixedly connected to the third cylindrical gear through a connecting shaft, and the second cylindrical gear is meshed with the third cylindrical gear.

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