Screening and filtering device for peripheral blood stem cells

Abstract

The utility model relates to the technical field of medical instruments, in particular to a screening and filtering device for peripheral blood stem cells. The filter comprises a filter body, a filter frame is installed in the filter body, an adjusting device is arranged on the arc surface of the filter body, the adjusting device comprises a fixing plate, the fixing plate is fixedly connected with the arc surface of the filter body, and four adjusting plates are fixedly connected to the lower surface of the fixing plate. The surfaces of the four adjusting plates are slidably connected with adjusting bins, one sides of the four adjusting bins are fixedly connected with stabilizing plates, and one sides of the adjusting bins are fixedly connected with fixing rods. The problems that when a worker sits on a chair to use a filter body, due to the fact that some workers are too tall or too short, when the worker sits on the chair to use the filter body, the worker is difficult to use the filter body in the most comfortable posture, and the working efficiency of the worker is affected are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to medical appliance technical field especially, relates to a kind of screening filter device of peripheral blood stem cell. BACKGROUND

[0002] Stem cell is a kind of cell with unlimited or immortal self-renewal ability, can produce at least one type of, highly differentiated daughter cell. When screening and filtering peripheral blood stem cell, filter is often used, peripheral blood stem cell suspension after collection is dropped into filter by dropper, filter can preliminarily filter some red blood cells, white blood cells, platelets and other impurities in peripheral blood stem cell suspension, remove larger particulate matter, and staff often need long time to sit and work when using filter.

[0003] The inventor believes that the following defects often exist: staff often need long time to sit and work when using filter, staff sit on chair and use filter body, due to the height of some staff is too high or too low, staff sit on chair and use filter body, it is difficult to use the most comfortable posture to use filter body, thereby causing the problem of affecting work efficiency of staff;Therefore, aiming at the above problems, a kind of screening filter device of peripheral blood stem cell is provided. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcoming that filter body is difficult to use the most comfortable posture in prior art, thereby causing the problem of affecting work efficiency of staff, and provides a kind of screening filter device of peripheral blood stem cell.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme: a kind of screening filter device of peripheral blood stem cell, including filter body, filter frame is installed in the filter body, the circular arc surface of the filter body is equipped with adjusting device, the adjusting device includes fixed plate, the fixed plate is fixedly connected with the circular arc surface of filter body, the lower surface of the fixed plate is fixedly connected with four adjusting plates, the surface of four adjusting plates is slidably connected with adjusting bin, one side of four adjusting bins is fixedly connected with stabilizing plate, one side of the adjusting bin is fixedly connected with fixed rod, the circular arc surface of the fixed rod is slidably connected with operating plate, the side of operating plate close to adjusting bin is fixedly connected with plug rod, one side of the adjusting plate is equipped with several insertion slots.

[0006] The effect achieved by the above components is that the adjusting device adjusts the use height of the filter body, avoids the situation that the staff cannot use the filter body in the most comfortable posture when sitting on the chair due to the height of some staff being too high or too low, and improves the practicability of the device.

[0007] Preferably, the fixing rod is fixedly connected with a limiting plate at one end away from the adjusting bin, and the size of the inserting rod is matched with the size of the adjusting plate slot.

[0008] The effect achieved by the above components is that the limiting plate limits the maximum sliding distance of the operation plate on the arc surface of the fixing rod, avoids the situation that the operation plate is separated from the arc surface of the fixing rod due to the large pulling force when the staff pulls the operation plate.

[0009] Preferably, the arc surface of the fixing rod is sleeved with a first spring, and the two ends of the first spring are fixedly connected with the operation plate and the adjusting bin, respectively.

[0010] The effect achieved by the above components is that the first spring improves the stability of the inserting rod when limiting the adjusting plate, thereby improving the stability of the inserting rod when limiting the use height of the filter body.

[0011] Preferably, the four operation plates are in two groups, and each group of operation plates is fixedly connected with a handle on the surface.

[0012] The effect achieved by the above components is that the handle simultaneously drives two operation plates, avoids the situation that the staff needs to pull four operation plates at the same time when adjusting the height of the adjusting plate, and the staff cannot complete the operation of the device independently due to the lack of help from other staff, thereby causing the staff to have to spend more time on operation.

[0013] Preferably, the upper surface of the stabilizing plate is fixedly connected with a soft pad, and the material of the soft pad is sponge material.

[0014] The effect achieved by the above components is that the soft pad protects the filter body, avoids the situation that the filter body is quickly lowered due to gravity after the limiting of the height of the filter body is removed, and causes the filter body to collide with the stabilizing plate, thereby causing the filter body to be damaged.

[0015] Preferably, the circular arc surface of the filter body is provided with a dustproof device, the dustproof device comprises two L-shaped frames, the two L-shaped frames are fixedly connected with the circular arc surface of the filter body, a driving rod is threadedly inserted in the L-shaped frame, one end of the driving rod is rotatably connected with a connecting plate, the lower surface of the connecting plate is fixedly connected with a dustproof plate, and the lower surface of the dustproof plate is slidably connected with the filter frame.

[0016] The above-mentioned components achieve the effect of dustproofing the filter body without affecting the continuous operation of the filter body, avoiding the situation that when the staff uses a dropper to put blood into the filter body for filtration, the filtration time lasts for a long time, the dropper is suspended above the filter frame for a long time, dust enters the filter frame from all around, thereby causing the filtered blood in the filter frame to be polluted, and improving the protection of the device.

[0017] Preferably, the side of the connecting plate close to the driving rod is fixedly connected with a positioning rod, the circular arc surface of the positioning rod is slidably connected with the L-shaped frame, and one end of the driving rod is fixedly connected with an operating block.

[0018] The above-mentioned components achieve the effect of limiting the rotation of the connecting plate along with the driving rod, so as to increase the stability of the dustproof plate when dustproofing the filter frame.

[0019] In summary, the beneficial effects of the present application are:

[0020] 1. In the present application, by setting the adjusting device, the effect of adjusting the use height of the filter body is achieved, avoiding the situation that when the staff uses the filter body while sitting on the chair, due to the height of some staff being too high or too low, the staff cannot use the most comfortable posture to use the filter body while sitting on the chair, thereby affecting the work efficiency of the staff, and improving the practicability of the device.

[0021] 2. In the present application, by setting the dustproof device, the effect of dustproofing the filter body without affecting the continuous operation of the filter body is achieved, avoiding the situation that when the staff uses a dropper to put blood into the filter body for filtration, the filtration time lasts for a long time, the dropper is suspended above the filter frame for a long time, dust enters the filter frame from all around, thereby causing the filtered blood in the filter frame to be polluted, and improving the protection of the device. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a three-dimensional structure schematic diagram of the present application;

[0023] Figure 2 It is a three-dimensional structure schematic diagram of the present application; Figure 1part structure diagram of the filter body 1;

[0024] Figure 3 is the structural diagram of the adjusting device in the utility model;

[0025] Figure 4 is the structural diagram of the dustproof device in the utility model Figure 3 is the enlarged view of A of the filter body 1;

[0026] Figure 5 is the structural diagram of the dustproof device in the utility model.

[0027] Legend: 1, filter body; 2, filter frame; 3, adjusting device; 4, dustproof device; 301, fixed plate; 302, adjusting plate; 303, adjusting bin; 304, stabilizing plate; 305, fixed rod; 306, operating plate; 307, plug rod; 308, limiting plate; 309, first spring; 310, handle; 311, soft pad; 41, L-shaped frame; 42, driving rod; 43, connecting plate; 44, dustproof plate; 45, operating block; 46, positioning rod. DETAILED DESCRIPTION

[0028] Referring to Figure 1 and Figure 2 , the utility model provides a technical scheme: a kind of peripheral blood stem cell screening filter device, including filter body 1, filter frame 2 is installed in filter body 1, the circular arc surface of filter body 1 is equipped with adjusting device 3, by setting adjusting device 3, it reaches the effect of adjusting the use height of filter body 1, avoid staff when using filter body 1 on chair, since the height of part staff is too high or too short, staff when using filter body 1 on chair, it is difficult to use the most comfortable posture to filter body 1 is used, to cause the situation of the appearance of staff work efficiency, improve the practicability of device, the circular arc surface of filter body 1 is equipped with dustproof device 4, by setting dustproof device 4, it reaches the effect of dustproof to filter body 1 under the condition of not affecting the continuous work of filter body 1, avoid staff when using dropper to place blood in filter body 1 for filtering, filtering time is continuously long, dropper is suspended in the upper of filter frame 2 for a long time, dust is entered into filter frame 2 from all around, to cause the pollution of blood filtered in filter frame 2, improve the protection of device.

[0029] The specific settings and effects of adjusting device 3 and dustproof device 4 will be described below.

[0030] Referring to Figure 3 and Figure 4As shown, in the embodiment: the adjusting device 3 comprises a fixed plate 301, the fixed plate 301 is fixedly connected with the circular arc surface of the filter body 1, the lower surface of the fixed plate 301 is fixedly connected with four adjusting plates 302, the surface of each of the four adjusting plates 302 is slidingly connected with an adjusting bin 303, one side of each of the four adjusting bins 303 is fixedly connected with a stabilizing plate 304, one side of each of the adjusting bins 303 is fixedly connected with a fixed rod 305, the circular arc surface of the fixed rod 305 is slidingly connected with an operation plate 306, one side of the operation plate 306 close to the adjusting bin 303 is fixedly connected with a plug rod 307, one side of the adjusting plate 302 is provided with a plurality of plug slots, one end of the fixed rod 305 away from the adjusting bin 303 is fixedly connected with a limiting plate 308, the size of the plug rod 307 is matched with the size of the plug slot of the adjusting plate 302, when the staff pulls the operation plate 306, the operation plate 306 slides on the circular arc surface of the fixed rod 305, at this time the limiting plate 308 achieves the effect of limiting the maximum sliding distance of the operation plate 306 on the circular arc surface of the fixed rod 305, avoiding the situation that the operation plate 306 is separated from the circular arc surface of the fixed rod 305 due to the force being too large when the staff pulls the operation plate 306, the circular arc surface of the fixed rod 305 is sleeved with a first spring 309, the two ends of the first spring 309 are fixedly connected with the operation plate 306 and the adjusting bin 303 respectively, when the staff releases the operation plate 306, the rebound force of the first spring 309 drives the operation plate 306 to slide on the circular arc surface of the fixed rod 305, at the same time the operation plate 306 drives the plug rod 307 to move, until the plug rod 307 is inserted into the plug slot of the adjusting plate 302, at this time the first spring 309 improves the stability of the plug rod 307 limiting the adjusting plate 302, thereby improving the stability of the plug rod 307 limiting the use height of the filter body 1, the four operation plates 306 are in two groups respectively, the surface of each group of operation plates 306 is fixedly connected with a handle 310, when the staff needs to adjust the height of the adjusting plate 302 in order to adjust the height of the filter body 1, the handle 310 is needed to be pulled, the handle 310 drives two operation plates 306 to slide on two fixed rods 305 respectively, at this time the handle 310 achieves the effect of driving two operation plates 306 at the same time, avoiding the situation that the staff needs to pull four operation plates 306 at the same time when adjusting the height of the adjusting plate 302, and there is no other staff around to help, causing the staff to be difficult to complete the operation of the device independently, thereby causing the staff to have to spend more time to operate, the upper surface of the stabilizing plate 304 is fixedly connected with a soft pad 311, the material of the soft pad 311 is sponge material, after the staff releases the limiting of the plug rod 307 to the adjusting plate 302, the adjusting plate 302 will slide downward in the adjusting bin 303 due to the gravity factor, at the same time the adjusting plate 302 will drive the fixed plate 301 to move downward, the fixed plate 301 will drive the filter body 1 to slide downward, until the filter body 1 falls on the soft pad 311 and is wrapped by the soft pad 311, at this time the soft pad 311 achieves the effect of protecting the filter body 1,Avoid the understanding of the filter body 1 height limit, the filter body 1 is affected by gravity quickly back, resulting in the filter body 1 and the stable plate 304 collision, thereby causing the filter body 1 is damaged.

[0031] Referring to Figure 5 As shown, specifically, the dustproof device 4 includes two L-shaped frames 41, two L-shaped frames 41 are fixedly connected with the circular arc surface of the filter body 1, the L-shaped frame 41 is threadedly provided with a driving rod 42, one end of the driving rod 42 is rotatably connected with a connecting plate 43, the lower surface of the connecting plate 43 is fixedly connected with a dustproof plate 44, the lower surface of the dustproof plate 44 is slidably connected with the filter frame 2, the side of the connecting plate 43 close to the driving rod 42 is fixedly connected with a positioning rod 46, the circular arc surface of the positioning rod 46 is slidably connected with the L-shaped frame 41, one end of the driving rod 42 is fixedly connected with an operating block 45, when the operating block 45 is rotated, the operating block 45 drives the driving rod 42 to threadedly move in the L-shaped frame 41, at the same time, the driving rod 42 drives the connecting plate 43 to move, the connecting plate 43 drives the positioning rod 46 to slide in the L-shaped frame 41, at this time, the positioning rod 46 reaches the effect of limiting the connecting plate 43 from rotating with the driving rod 42, so as to increase the stability of the dustproof plate 44 when preventing dust from the filter frame 2.

[0032] When the staff need to adjust the use height of the filter body 1, pull the handle 310, the handle 310 drives the two operating plates 306 to slide on the two fixed rods 305 respectively, the first spring 309 is stretched, at the same time, the operating plate 306 drives the insertion rod 307 to move, until the insertion rod 307 is separated from the insertion slot in the adjusting plate 302, at this time, pull the fixed plate 301, the fixed plate 301 drives the filter body 1 to move, at the same time, the fixed plate 301 drives the adjusting plate 302 to slide in the adjusting bin 303, until the use height of the filter body 1 is adjusted to the comfortable height of the staff, at this time, release the handle 310, the rebound force of the first spring 309 drives the operating plate 306 to slide on the circular arc surface of the fixed rod 305, at the same time, the operating plate 306 drives the insertion rod 307 to move, until the insertion rod 307 is inserted into the insertion slot in the adjusting plate 302, at this time, the effect of adjusting the use height of the filter body 1 is achieved, avoiding the situation that when the staff uses the filter body 1 while sitting on the chair, due to the height of some staff is too high or too low, the staff is difficult to use the most comfortable posture to use the filter body 1, thereby causing the work efficiency of the staff is affected, improving the practicability of the device.

[0033] When the staff needs to dust the continuously used filter frame 2, the operation block 45 is rotated, the operation block 45 drives the driving rod 42 to screw in the L-shaped frame 41, meanwhile the driving rod 42 drives the connecting plate 43 to move, the connecting plate 43 drives the positioning rod 46 to slide in the L-shaped frame 41, meanwhile the connecting plate 43 drives the dustproof plate 44 to slide on the surface of the filter frame 2, until the dustproof plate 44 shields the filter frame 2 and clamps the drip tube for blood supply which is suspended above the filter frame 2, at this time, the effect of dustproofing the filter body 1 without affecting the continuous work of the filter body 1 is achieved, the situation that the staff uses the drip tube to put blood into the filter body 1 for filtration for a long time, the drip tube is suspended above the filter frame 2 for a long time, dust enters the filter frame 2 from all around, and the filtered blood in the filter frame 2 is polluted is avoided, and the protection property of the device is improved.

[0034] In the description of the present application, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integral connection, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through intermediate medium, it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

Claims

1. A screening filter device for peripheral blood stem cells, comprising a filter body (1), characterized in that: The filter body (1) is provided with a filter frame (2), and the circular arc surface of the filter body (1) is provided with an adjusting device (3), the adjusting device (3) comprises a fixed plate (301), the fixed plate (301) is fixedly connected with the circular arc surface of the filter body (1), the lower surface of the fixed plate (301) is fixedly connected with four adjusting plates (302), the surface of each of the four adjusting plates (302) is slidably connected with an adjusting bin (303), one side of each of the four adjusting bins (303) is fixedly connected with a stabilizing plate (304), one side of the adjusting bin (303) is fixedly connected with a fixed rod (305), the circular arc surface of the fixed rod (305) is slidably connected with an operation plate (306), one side of the operation plate (306) close to the adjusting bin (303) is fixedly connected with a plug rod (307), and a plurality of plug slots are formed in one side of the adjusting plate (302).

2. A peripheral blood stem cell screening filter device according to claim 1, wherein: The end of the fixed rod (305) away from the adjusting bin (303) is fixedly connected with a limiting plate (308), and the size of the plug rod (307) is matched with the size of the plug slot of the adjusting plate (302).

3. The peripheral blood stem cell apheresis filter of claim 1 wherein: The circular arc surface of the fixed rod (305) is sleeved with a first spring (309), and the two ends of the first spring (309) are fixedly connected with the operation plate (306) and the adjusting bin (303) respectively.

4. The peripheral blood stem cell apheresis filter of claim 1 wherein: The four operation plates (306) are divided into two groups, and the surface of each group of operation plates (306) is fixedly connected with a handle (310).

5. The peripheral blood stem cell apheresis filter of claim 1 wherein: The upper surface of the stabilizing plate (304) is fixedly connected with a soft pad (311), and the material of the soft pad (311) is sponge material.

6. The peripheral blood stem cell apheresis filter of claim 1 wherein: The circular arc surface of the filter body (1) is provided with a dustproof device (4), the dustproof device (4) comprises two L-shaped frames (41), the two L-shaped frames (41) are fixedly connected with the circular arc surface of the filter body (1), a driving rod (42) is threadedly inserted into the L-shaped frame (41), one end of the driving rod (42) is rotatably connected with a connecting plate (43), the lower surface of the connecting plate (43) is fixedly connected with a dustproof plate (44), and the lower surface of the dustproof plate (44) is slidably connected with the filter frame (2).

7. A peripheral blood stem cell apheresis filter according to claim 6 wherein: The side of the connecting plate (43) close to the driving rod (42) is fixedly connected with a positioning rod (46), the circular arc surface of the positioning rod (46) is slidably connected with the L-shaped frame (41), and one end of the driving rod (42) is fixedly connected with an operation block (45).

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