Plasma exchange auxiliary device

Abstract

The invention discloses a plasma exchange auxiliary device, and relates to the technical field of medical instruments, the plasma exchange auxiliary device comprises a base and a heat preservation box, and further comprises a first electric sliding rail arranged on the inner wall of the heat preservation box in a sliding mode, and a clamping mechanism arranged on the surface of the first electric sliding rail in a sliding mode through a mounting plate; according to the plasma replacement auxiliary device, after it is detected that only one fourth of blood in a blood bag is left through a camera, an external control system automatically controls a first electric sliding rail to drive a clamping mechanism to move to the upper side of a blood bag body, and the blood bag body is clamped through a clamping mechanism; then the screw rod assembly drives the scraping plate to approach the blood bag, the first motor drives the scraping plate to rotate so that the scraping plate can make contact with the blood bag body, the scraping plate squeezes and scrapes from top to bottom, remaining plasma can be completely infused to a patient, waste is reduced, and the method is particularly important when resources are limited or the patient needs sufficient plasma.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and particularly to a plasma exchange auxiliary device. Background Art

[0002] Plasma exchange is a process of drawing whole blood out of the body, separating it into plasma and cellular components, discarding the patient's plasma, and then transfusing fresh plasma, albumin solution, balanced solution and other plasma substitutes back into the body at the same speed to replace the separated plasma, achieving the purpose of reducing pathological damage and removing pathogenic substances. Plasma exchange has become a common extracorporeal circulation blood purification therapy. During the process of plasma exchange, a transfusion device is usually used to perform blood transfusion operations on patients. Conventional transfusion devices include a simple bracket and a blood transfusion bag.

[0003] During the current transfusion device assisting plasma exchange process, the plasma bag is usually directly hung on the bracket for gravity infusion. After blood transfusion, there is usually some blood remaining in the blood bag and it is difficult to completely empty it. It requires medical staff to manually squeeze the plasma bag to completely discharge it, consuming a large amount of manpower and material resources, increasing the workload of medical staff, and if not handled, it is likely to cause waste of resources. Summary of the Invention

[0004] In view of the deficiencies of the prior art, the present invention provides a plasma exchange auxiliary device, which solves the problems that after blood transfusion, there is usually some blood remaining in the blood bag, it is difficult to completely empty it, it requires medical staff to manually squeeze the plasma bag to completely discharge it, increasing the workload of medical staff, and if not handled, it is likely to cause waste of resources.

[0005] To achieve the above objectives, the present invention is realized through the following technical solutions: A plasma exchange auxiliary device includes a base and a heat preservation box, and further includes:

[0006] A first electric slide rail, slidably arranged on the inner wall of the heat preservation box;

[0007] A clamping mechanism, slidably arranged on the surface of the first electric slide rail through a mounting plate. The clamping mechanism includes a mounting seat. A groove is provided on the front surface of the mounting seat. A lead screw assembly is arranged inside the groove. Extension plates are arranged on both sides of the lead screw assembly. First motors are fixedly arranged on the front sides of the two extension plates. A fixing groove is provided on one side of each of the two extension plates. The output end of the first motor is fixedly connected to a rotating shaft extending into the fixing groove. A scraper is fixedly arranged on the surface of the rotating shaft. The bottom of the scraper is designed as an inclined surface.

[0008] Preferably, a camera is fixedly connected to one side of the inner wall of the heat preservation box, and an alarm is fixedly connected to the top of the heat preservation box.

[0009] Preferably, the screw rod assembly includes a second motor, the output end of the second motor is fixedly connected with a bidirectional screw rod, and one end of the bidirectional screw rod threadedly penetrates to the outside of the two extension plates.

[0010] Preferably, an electric telescopic rod is fixedly connected to the top of the incubator through an L-shaped plate, the end of the electric telescopic rod extending into the incubator is fixedly connected with a support plate, and the bottom of the support plate is fixedly connected with the top of the first electric slide rail.

[0011] Preferably, an electric push rod is fixedly connected to the bottom of the support plate through a connecting plate, the output end of the electric push rod is fixedly connected with a cylinder body, a cylinder is arranged inside the cylinder body, and the output end of the cylinder is fixedly connected with a hollow rod penetrating to the outside of the cylinder body.

[0012] Preferably, both sides of the inner wall of the hollow rod are fixedly connected with first springs, an air bag is fixedly connected between the two first springs, convex blocks are fixedly connected to the upper and lower sides of the air bag, through grooves adapted to the convex blocks are formed on the surface of the hollow rod, a micro air pump is arranged inside the hollow rod, and the surface of the air bag is communicated with the micro air pump through a trachea.

[0013] Preferably, a storage frame is fixedly connected to the rear side of the inner wall of the incubator, a partition board is fixedly connected to the inner wall of the storage frame, and heating components are arranged on both sides of the partition board inside the storage frame.

[0014] Preferably, the heating component includes two flexible heating sheets, sponges are bonded to the opposite sides of the two flexible heating sheets, a fixed frame is fixedly connected to one side of the sponge, a second spring is fixedly connected to the outside of the fixed frame, and a temperature sensor is arranged on the surface of the flexible heating sheet.

[0015] Preferably, driving motors are fixedly connected to both sides of the front surface of the incubator through brackets, sealing plates are rotatably arranged on both sides of the bottom of the incubator, the output end of the driving motor is fixedly connected to the surface of the sealing plate, and a wire hole is formed between the two sealing plates.

[0016] Preferably, a vertical plate is fixedly connected to the top of the base, a second electric slide rail is arranged on the surface of the vertical plate, universal wheels are fixedly connected to the bottom of the base, and a collection box is movably arranged on the top of the base.

[0017] The present invention provides a plasma exchange auxiliary device. It has the following beneficial effects:

[0018] (1) After the plasma exchange auxiliary device detects through the camera that only one - quarter of the blood remains in the blood bag, the external control system automatically controls the first electric slide rail to drive the clamping mechanism to move to the upper side of the blood bag body. Then, the screw rod assembly drives the scraper close to the blood bag, and the first motor drives the scraper to rotate, making it contact with the blood bag body. The scraper squeezes and scrapes from top to bottom, and can completely transfuse the remaining plasma to the patient, reducing waste, which is particularly important when resources are limited or the patient needs a sufficient amount of plasma.

[0019] (2) After the blood bag body is hung, the clamping mechanism limits the lower side of the blood bag body. Then, the electric telescopic rod can drive the blood bag body to shake up and down, and the electric push rod can drive the blood bag body to shake left and right, making the blood fully mixed, avoiding precipitation or stratification caused by long - term placement, and ensuring the blood quality.

[0020] (3) After the blood transfusion is completed, when the two sealing plates are opened, the airbag shrinks and drives the convex block to move into the hollow rod. Then, the cylinder drives the hollow rod to move into the cylinder body, enabling the blood bag body hung on the hollow rod to be detached. The blood bag body falls from below the incubator into the collection box, facilitating the automatic collection of the used blood bag and improving the work efficiency. Description of the Drawings

[0021] Figure 1 is a schematic diagram of the structure of the present invention;

[0022] Figure 2 is a schematic diagram of the internal structure of the incubator of the present invention;

[0023] Figure 3 is a schematic diagram of the structure of the clamping mechanism of the present invention;

[0024] Figure 4 is a schematic diagram of the rotation of the structure of the scraper of the present invention;

[0025] Figure 5 is of the present invention Figure 2 is a partial enlarged view of part A in;

[0026] Figure 6 is a cross - sectional view of the structure of the cylinder body of the present invention;

[0027] Figure 7 is a side view of the internal structure of the hollow rod of the present invention;

[0028] Figure 8 is a cross - sectional view of the structure of the storage box of the present invention.

[0029] In the figure: 1, base; 2, incubator; 3, first electric slide rail; 4, clamping mechanism; 41, mounting seat; 42, groove; 43, lead screw assembly; 431, second motor; 432, bidirectional lead screw; 44, extension plate; 45, first motor; 46, fixing groove; 47, rotating shaft; 48, scraper; 5, mounting plate; 6, camera; 7, alarm; 8, L-shaped plate; 9, electric telescopic rod; 10, support plate; 11, electric push rod; 12, cylinder body; 13, cylinder; 14, hollow rod; 15, first spring; 16, airbag; 17, convex block; 18, through groove; 19, micro air pump; 20, storage frame; 21, partition; 22, heating component; 221, flexible heating sheet; 222, sponge; 223, fixing frame; 224, second spring; 225, temperature sensor; 23, drive motor; 24, sealing plate; 25, wire hole; 26, vertical plate; 27, second electric slide rail; 28, universal wheel; 29, collection box. Detailed implementation manners

[0030] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment 1

[0032] Please refer to Figures 1 to 4 As shown, the present invention provides a plasma exchange auxiliary device, including a base 1 and an incubator 2. A cover body is provided on the top of the incubator 2. A vertical plate 26 is fixedly connected to the top of the base 1, and a second electric slide rail 27 is provided on the surface of the vertical plate 26. The first electric slide rail 3 and the second electric slide rail 27 are both prior arts, which are composed of a slide rail, a drive system, a guide rail, a slider, etc., and are used to achieve smooth sliding in a straight line direction. The incubator 2 is slidably arranged on the surface of the second electric slide rail 27. Universal wheels 28 are fixedly connected to the bottom of the base 1, which is convenient for flexibly moving the device. A collection box 29 is movably arranged on the top of the base 1, which is used to collect the used blood transfusion bags;

[0033] A first electric slide rail 3 is slidably arranged on one side of the inner wall of the incubator 2, which is used to drive the clamping mechanism 4 to move up and down;

[0034] The clamping mechanism 4 is slidably arranged on the surface of the first electric slide rail 3 through the mounting plate 5. The clamping mechanism 4 includes a mounting seat 41 fixed to the mounting plate 5. A groove 42 is formed on the front surface of the mounting seat 41. A lead screw assembly 43 is arranged inside the groove 42. Extension plates 44 are arranged on both sides of the lead screw assembly 43. First motors 45 are fixedly arranged on the front sides of the two extension plates 44. Fixing grooves 46 are formed on one side of the two extension plates 44. The output end of the first motor 45 is fixedly connected to a rotating shaft 47 extending into the fixing groove 46. One end of the rotating shaft 47 is rotatably connected to the inner wall of the fixing groove 46. A scraping plate 48 is fixedly arranged on the surface of the rotating shaft 47. The bottom of the scraping plate 48 is designed with an inclined surface. When the scraping work is not carried out, the scraping plate 48 is vertically located inside the fixing groove 46;

[0035] One side of the inner wall of the incubator 2 is fixedly connected with a camera 6 for taking real-time pictures of the remaining amount of blood in the blood bag. And the taken pictures are uploaded to the external control system in real time. After the external control system judges that only one-fourth of the blood remains through the comparison module, it can control the first electric slide rail 3 and the clamping mechanism 4 to work, drive the scraping plate 48 to extrude and scrape the blood bag, and start the alarm 7 to give an alarm to notify the medical staff to come in time. The alarm 7 is fixedly connected to the top of the incubator 2;

[0036] Through the setting of the above structure, during the blood transfusion process, the camera 6 detects the remaining amount of blood in the blood bag in real time. When it is detected that only one-fourth of the blood in the blood bag remains, the external control system automatically controls the first electric slide rail 3 to start, drives the clamping mechanism 4 to move to the upper side of the blood bag body, then drives the scraping plate 48 to approach the blood bag through the lead screw assembly 43, starts the first motor 45, drives the scraping plate 48 to rotate through the rotating shaft 47, makes the two scraping plates 48 extrude the blood bag body, and then the first electric slide rail 3 drives the scraping plate 48 to extrude and scrape the blood bag body from top to bottom, completely transfusing the remaining plasma to the patient, reducing waste. At the same time, the external control system also controls the alarm 7 to give an alarm, prompting the medical staff that the blood is about to be transfused completely and a new blood bag needs to be replaced.

[0037] Embodiment 2

[0038] On the basis of Embodiment 1, please refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 、 Figure 6As shown in the figure, the specific improvements are as follows: The lead screw assembly 43 includes a second motor 431 fixed to one side of the mounting base 41. The output end of the second motor 431 is fixedly connected to a bidirectional lead screw 432, and one end of the bidirectional lead screw 432 threadedly penetrates to the outside of the two extension plates 44. The rear side of the extension plate 44 is slidably connected to the inner wall of the groove 42. The lead screw assembly 43 is used to drive the two extension plates 44 to move in opposite or relative directions, facilitating gently limiting the blood transfusion bag body when shaking the blood.

[0039] The top of the incubator 2 is fixedly connected to an electric telescopic rod 9 through an L-shaped plate 8. The end of the electric telescopic rod 9 extending into the incubator 2 is fixedly connected to a support plate 10, and the bottom of the support plate 10 is fixedly connected to the top of the first electric slide rail 3.

[0040] The bottom of the support plate 10 is fixedly connected to an electric push rod 11 through a connecting plate, and the output end of the electric push rod 11 is fixedly connected to a cylinder body 12. A cylinder 13 is arranged inside the cylinder body 12, and the output end of the cylinder 13 is fixedly connected to a hollow rod 14 penetrating to the outside of the cylinder body 12.

[0041] Through the setting of the above structure, the heated blood bag body is limited on the hollow rod 14, and then the first electric slide rail 3 drives the clamping mechanism 4 to move to the lower side of the blood bag body. The second motor 431 drives the bidirectional lead screw 432 to rotate, so that the two extension plates 44 move relatively to gently limit the lower side of the blood bag body. At this time, the electric telescopic rod 9 is started, and the blood bag body can be driven to shake up and down through the support plate 10 and the first electric slide rail 3. By starting the electric push rod 11, the blood bag body can be driven to shake left and right, so that the blood is fully mixed, avoiding precipitation or stratification caused by long-term placement and ensuring the blood quality.

[0042] Embodiment Three

[0043] Combined with Embodiment One and Embodiment Two, please refer to Figure 1 、 Figure 2 and Figures 5 to 7 As shown in the figure, the specific improvements are as follows: On both sides of the inner wall of the hollow rod 14, a first spring 15 is fixedly connected to provide elastic support for the airbag 16. An airbag 16 is fixedly connected between the two first springs 15, and convex blocks 17 are fixedly connected to both the upper and lower sides of the airbag 16. Through grooves 18 adapted to the convex blocks 17 are formed on the surface of the hollow rod 14. A micro air pump 19 is arranged inside the hollow rod 14 to inflate or deflate the airbag 16. The surface of the airbag 16 is connected to the micro air pump 19 through a trachea.

[0044] On both sides of the front of the incubator 2, drive motors 23 are fixedly connected through brackets. On both sides of the bottom of the incubator 2, sealing plates 24 are rotatably arranged. The output end of the drive motor 23 is fixedly connected to the surface of the sealing plate 24. A wire hole 25 is formed between the two sealing plates 24, and the wire hole 25 facilitates the transfusion tube under the blood transfusion bag to pass through.

[0045] With the above structure, during blood transfusion, the micro air pump 19 is started to drive the airbag 16 to expand. The first spring 15 is squeezed, and the airbag 16 drives the convex block 17 to move out of the hollow rod 14, so that the blood bag body can be limited on the hollow rod 14. After the transfusion is completed, the incubator 2 is moved downward. The drive motor 23 drives the two sealing plates 24 to rotate downward to open the lower part of the incubator 2. Then the airbag 16 contracts to drive the convex block 17 to move into the hollow rod 14, and then the cylinder 13 drives the hollow rod 14 to move into the cylinder body 12, enabling the blood bag body hanging on the hollow rod 14 to be separated. The blood bag body can fall from below the incubator 2 into the collection box 29, which is convenient for automatically collecting the used blood bags and improves the work efficiency.

[0046] Example Four

[0047] Combined with Embodiments One to Three, please refer to Figure 2 and Figure 8 As shown, the specific improvements are as follows: A storage frame 20 is fixedly connected to the rear side of the inner wall of the incubator 2, and a partition 21 is fixedly connected to the inner wall of the storage frame 20. Heating components 22 are arranged on both sides of the partition 21 inside the storage frame 20. The heating component 22 includes two flexible heating sheets 221. The setting of the flexible heating sheets 221 facilitates better fitting with the blood transfusion bag and improves the heating effect and heating efficiency. Sponges 222 are bonded to the opposite sides of the two flexible heating sheets 221. The sponges 222 provide flexible support for the flexible heating sheets 221, facilitating the fitting of the flexible heating sheets 221 with the blood transfusion bag. One side of the sponge 222 is fixedly connected to a fixing frame 223, and a second spring 224 is fixedly connected to the outside of the fixing frame 223. A plurality of second springs 224 are evenly distributed on the outside of the fixing frame 223. A temperature sensor 225 is arranged on the surface of the flexible heating sheet 221.

[0048] With the above structure, before blood transfusion, the second electric slide rail 27 drives the incubator 2 to move downward, opens the cover body, and places the blood bag to be used in the storage frame 20. The blood bag body squeezes the flexible heating sheets 221 and the second springs 224 on both sides. Under the reaction force of the second springs 224 and the deformation of the sponges 222, the flexible heating sheets 221 can be attached to the blood bag body for heating. The temperature sensor 225 detects the heating temperature in real time. When the temperature is heated to near the normal body temperature of the human body, the heating is stopped to avoid the discomfort of the patient caused by cold blood entering the body, and even possible reactions such as shivering and rapid heart rate.

[0049] Meanwhile, the content not described in detail in this specification belongs to the prior art well-known to those skilled in the art. Each electrical appliance is connected to an external power supply through a wire, and conventional devices adapted to the equipment can be used for the model parameters.

[0050] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A plasma exchange assist device, comprising a base (1) and an incubator (2), characterized in that: Further included are: A first electric slide rail (3), slidably arranged on the inner wall of the heat preservation box (2); A clamping mechanism (4), slidably arranged on the surface of the first electric slide rail (3) through a mounting plate (5). The clamping mechanism (4) includes a mounting base (41). A groove (42) is formed on the front surface of the mounting base (41). A lead screw assembly (43) is arranged inside the groove (42). Extension plates (44) are arranged on both sides of the lead screw assembly (43). First motors (45) are fixedly arranged on the front sides of the two extension plates (44). Fixing grooves (46) are formed on one sides of the two extension plates (44). The output end of the first motor (45) is fixedly connected to a rotating shaft (47) extending into the fixing groove (46). A scraping plate (48) is fixedly arranged on the surface of the rotating shaft (47). The bottom of the scraping plate (48) is designed as an inclined surface.

2. The plasma exchange assistance device according to claim 1, characterized in that: A camera (6) is fixedly connected to one side of the inner wall of the heat preservation box (2), and an alarm (7) is fixedly connected to the top of the heat preservation box (2).

3. The plasma exchange assistance device according to claim 1, wherein: The lead screw assembly (43) includes a second motor (431). The output end of the second motor (431) is fixedly connected to a bidirectional lead screw (432). One end of the bidirectional lead screw (432) threadedly penetrates outside the two extension plates (44).

4. The plasma exchange assisting device according to claim 1, wherein: An electric telescopic rod (9) is fixedly connected to the top of the heat preservation box (2) through an L-shaped plate (8). One end of the electric telescopic rod (9) extending into the heat preservation box (2) is fixedly connected to a support plate (10). The bottom of the support plate (10) is fixedly connected to the top of the first electric slide rail (3).

5. An auxiliary device for plasma exchange according to claim 4, characterized in that: An electric push rod (11) is fixedly connected to the bottom of the support plate (10) through a connecting plate. The output end of the electric push rod (11) is fixedly connected to a cylinder body (12). A cylinder (13) is arranged inside the cylinder body (12). The output end of the cylinder (13) is fixedly connected to a hollow rod (14).

6. The plasma exchange assisting device according to claim 5, characterized in that: First springs (15) are fixedly connected to both sides of the inner wall of the hollow rod (14). An air bag (16) is fixedly connected between the two first springs (15). Convex blocks (17) are fixedly connected to both the upper and lower sides of the air bag (16). A through groove (18) adapted to the convex block (17) is formed on the surface of the hollow rod (14). A micro air pump (19) is arranged inside the hollow rod (14). The surface of the air bag (16) is communicated with the micro air pump (19) through a trachea.

7. The plasma exchange assistance device according to claim 1, wherein: A storage frame (20) is fixedly connected to the rear side of the inner wall of the heat preservation box (2). A partition (21) is fixedly connected to the inner wall of the storage frame (20). Heating components (22) are arranged on both sides of the partition (21) inside the storage frame (20).

8. The plasma exchange assisting device according to claim 7, wherein: The heating component (22) includes two flexible heating sheets (221). Sponges (222) are bonded to the sides of the two flexible heating sheets (221) facing away from each other. One side of the sponge (222) is fixedly connected to a fixing frame (223). A second spring (224) is fixedly connected to the outside of the fixing frame (223). A temperature sensor (225) is arranged on the surface of the flexible heating sheet (221).

9. The plasma exchange assistance device according to claim 1, wherein: Driving motors (23) are fixedly connected to both sides of the front of the incubator (2) through brackets. Sealing plates (24) are rotatably arranged on both sides of the bottom of the incubator (2). The output end of the driving motor (23) is fixedly connected to the surface of the sealing plate (24). A wire hole (25) is formed between the two sealing plates (24).

10. A plasma exchange assistance device according to claim 1, characterized in that: A vertical plate (26) is fixedly connected to the top of the base (1). A second electric slide rail (27) is arranged on the surface of the vertical plate (26). Universal wheels (28) are fixedly connected to the bottom of the base (1). A collection box (29) is movably arranged on the top of the base (1).

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