Sterile blood perfusion extracorporeal circulation pre-filling device
By designing a sterile blood perfusion external circulation precharge device, using electric rotating blocks and heating systems, the problem of temperature reduction during infusion is solved, ensuring the constant temperature of the infusion liquid, reducing the risk of surgery, and achieving drip control and reflux avoidance.
Patent Information
- Application Number
- CN202420757266.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-12
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-04-12
AI Technical Summary
The existing circulation device cannot maintain the constant temperature of the liquid in the infusion bag, resulting in a decrease in the temperature during the infusion process and increasing the risk of surgery.
A sterile blood perfusion external circulation precharge device is designed, including an adjustment chamber, a heating chamber and a hanging chamber. Through the coordination of the electric rotating block, the driving gear and the driven gear, the synchronous rotation of the hanging plate and the driven plate is achieved. Combined with the heating lamp and the temperature display, the infusion bottle is ensured to maintain a constant temperature.
It effectively avoids the problem of temperature reduction during infusion, ensures the patient's body temperature is stable, reduces the risk of surgery, and avoids reflux through the drip speed controller and dispensing tube.
Smart Images

Figure CN222738300U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of medical clinical equipment, in particular to an aseptic blood perfusion extracorporeal circulation pre-filling device. Background Art
[0002] Hemoperfusion is frequently used in clinical practice. Before performing hemoperfusion treatment on a patient, the hemoperfusion device must be pre-filled with physiological saline, heparin solution or other liquids for multiple extracorporeal circulation to allow the device to reach a working state. The used pre-filled liquid is discharged from the circulation system as waste liquid.
[0003] However, the existing circulation device cannot keep the liquid in the infusion bag at a constant temperature at all times during use. If the temperature gradually decreases during the infusion process, the patient's body temperature may drop and increase the risk of surgery. Therefore, a sterile blood perfusion extracorporeal circulation prefilling device is needed to solve the above technical problems. Utility Model Content
[0004] The main purpose of the utility model is to provide a sterile blood perfusion extracorporeal circulation pre-filling device, which can effectively solve the technical problems in the background technology.
[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:
[0006] An aseptic blood perfusion extracorporeal circulation prefilling device comprises a box body, the interior of the box body is divided into a regulating chamber, a heating chamber and a liquid hanging chamber by a first partition and a second partition. The liquid hanging chamber, a driven shaft in an regulating assembly in the regulating chamber passes through the first partition and extends into the liquid hanging chamber, a liquid hanging pan is fixedly provided at the end of the driven shaft, a driven pan is provided at a position corresponding to the position of the liquid hanging pan in the liquid hanging chamber on the bottom surface of the box body, and a connecting rod is fixedly connected between the liquid hanging pan and the driven pan.
[0007] As a further solution of the utility model, a plurality of hooks are provided at the bottom of the liquid hanging tray, infusion bottles are hung on the hooks, and through holes are provided at positions of the driven tray corresponding to the hooks.
[0008] As a further solution of the utility model, the bottle mouth of the infusion bottle protrudes outside the box through a through hole.
[0009] As a further solution of the utility model, an infusion tube is inserted into the infusion bottle, a dropper is provided on the infusion tube, a liquid separation tube is provided on the upper tube wall of the infusion tube, the liquid separation tube is connected to a liquid collecting bottle, a bottle stopper is provided at the bottom of the liquid collecting bottle, and a drip rate controller is provided on the infusion tube at the rear section of the dropper.
[0010] As a further solution of the utility model, the adjustment component includes an electric rotating block arranged on the top wall of the adjustment cavity, a driving gear is provided at the end of the electric rotating block, a driven gear is provided at the meshing position of the driving gear, and a fixed block is provided on the top of the adjustment cavity for the driven gear to rotate, and the bottom surface of the driven gear is fixedly connected to the driven rotating shaft.
[0011] As a further solution of the utility model, a plurality of heating lamps are provided inside the heating chamber, a temperature display is provided on the outer wall of the box body at the position of the heating chamber, and a temperature adjustment button is provided below the temperature display.
[0012] As a further solution of the utility model, the outer wall of the box body is provided with a cavity door at the position of the liquid hanging cavity, the surface of the cavity door is provided with a handle, and a transparent observation port is provided on the cavity door corresponding to the current position of the infusion bottle.
[0013] The beneficial effects of the utility model are as follows:
[0014] 1. The electric rotating block can drive the driving gear to rotate, mesh with the driven gear to make it rotate, drive the driven shaft to rotate, and then make the hanging plate rotate synchronously. The driven plate can be rotated at the same time through the action of the connecting rod, so that the new infusion bottle can replace the exhausted infusion bottle and continue the infusion. The temperature in the heating chamber can be intuitively seen through the temperature display. The infusion bottle can be heated and kept at a constant temperature through the temperature adjustment button to avoid the temperature drop during the infusion process, which will cause the patient's body temperature to drop and increase the risk of surgery.
[0015] 2. The drip rate controller can be used to control the drip rate of the dropper, and the liquid dispensing tube can be used to divert the liquid to the liquid collecting bottle when the liquid level in the dropper is too high to avoid reflux. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of the sterile blood perfusion extracorporeal circulation pre-filling device of the utility model;
[0017] Figure 2 It is a schematic cross-sectional structure diagram of the sterile blood perfusion extracorporeal circulation pre-filling device of the utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the sterile blood perfusion extracorporeal circulation pre-filling device of the utility model;
[0019] Figure 4 For the utility model Figure 3 Schematic diagram of the local enlarged structure at point A in the middle.
[0020] In the figure: 1. box body; 2. first partition; 3. second partition; 4. regulating chamber; 5. heating chamber; 6. liquid hanging chamber; 7. driven shaft; 8. liquid hanging plate; 9. driven plate; 10. connecting rod; 11. hook; 12. infusion bottle; 13. through hole; 14. infusion tube; 15. dropper; 16. liquid dispensing tube; 17. liquid collecting bottle; 18. bottle stopper; 19. drip rate controller; 20. electric rotating block; 21. driving gear; 22. driven gear; 23. fixed block; 24. heating lamp; 25. temperature display; 26. temperature adjustment button; 27. chamber door; 28. handle; 29. observation port. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.
[0022] like Figure 1-4 As shown, the sterile blood perfusion extracorporeal circulation prefilling device comprises a box body 1, the interior of the box body 1 is divided into an adjusting chamber 4, a heating chamber 5 and a liquid hanging chamber 6 by a first partition plate 2 and a second partition plate 3, the liquid hanging chamber 6, a driven shaft 7 in the adjusting assembly in the adjusting chamber 4 passes through the first partition plate 2 and extends into the liquid hanging chamber 6, a liquid hanging plate 8 is fixedly provided at the end of the driven shaft 7, a driven plate 9 is provided on the bottom surface of the box body 1 at a position corresponding to the position of the liquid hanging plate 8 in the liquid hanging chamber 6, a connecting rod 10 is fixedly connected between the liquid hanging plate 8 and the driven plate 9, the second partition plate 3 is a heat-conducting plate, which can heat the liquid hanging chamber 6 more efficiently, the driven shaft 7 can drive the liquid hanging plate 8 to rotate, and then the driven plate 9 rotates synchronously under the action of the connecting rod 10.
[0023] In this embodiment, a plurality of hooks 11 are provided at the bottom of the hanging plate 8, and an infusion bottle 12 is hung on the hook 11. A through hole 13 is provided at the position of the driven plate 9 corresponding to the hook 11, and the bottle mouth of the infusion bottle 12 protrudes from the outside of the box body 1 through the through hole 13, thereby facilitating the insertion of the infusion tube 14.
[0024] In this embodiment, an infusion tube 14 is inserted into the infusion bottle 12, a dropper 15 is provided on the infusion tube 14, a separatory tube 16 is provided on the upper tube wall of the infusion tube 14, the separatory tube 16 is connected to a liquid collecting bottle 17, a bottle stopper 18 is provided at the bottom of the liquid collecting bottle 17, and a drip rate controller 19 is provided on the infusion tube 14 at the rear section of the dropper 15. The separatory tube 16 can perform diversion to avoid backflow when the liquid level in the dropper 15 is high.
[0025] In this embodiment, the adjustment component includes an electric rotating block 20 arranged on the top wall of the adjustment chamber 4, a driving gear 21 is provided at the end of the electric rotating block 20, a driven gear 22 is provided at the meshing position of the driving gear 21, and a fixed block 23 is provided on the top of the adjustment chamber 4 for the driven gear 22 to rotate. The bottom surface of the driven gear 22 is fixedly connected to the driven rotating shaft 7. The driving gear 21 is engaged with the driven gear 22 to drive the driven rotating shaft 7 to rotate, thereby causing the hanging liquid tray 8 and the driven tray 9 to rotate synchronously to replace the new infusion bottle 12.
[0026] In this embodiment, a plurality of heating lamps 24 are provided inside the heating chamber 5, a temperature display 25 is provided on the outer wall of the casing 1 at the position of the heating chamber 5, and a temperature adjustment button 26 is provided below the temperature display 25. The temperature display 25 can visually show the temperature inside the heating chamber 5, and the temperature adjustment button 26 can be used to adjust the temperature, so as to heat the hanging liquid chamber 6 and keep the infusion bottle 12 inside at a constant temperature.
[0027] In this embodiment, a cavity door 27 is provided on the outer wall of the box body 1 at the position of the liquid hanging cavity 6, and a handle 28 is provided on the surface of the cavity door 27. A transparent observation port 29 is provided on the cavity door 27 corresponding to the current position of the infusion bottle 12. The handle 28 facilitates opening the cavity door 27, and closing the cavity door 27 can prevent temperature loss. The observation port 29 is used to observe the remaining amount of the infusion bottle 12 and replace it in time.
[0028] It should be noted that the utility model is a sterile blood perfusion extracorporeal circulation prefilling device. When in use, the electric rotating block 20 can drive the driving gear 21 to rotate, mesh with the driven gear 22 to rotate and drive the driven shaft 7 to rotate, thereby causing the hanging liquid tray 8 to rotate synchronously, and the driven disk 9 is rotated at the same time through the action of the connecting rod 10, so that the new infusion bottle 12 can replace the exhausted infusion bottle 12 and continue the infusion. The temperature in the heating chamber 5 can be intuitively seen through the temperature display 25, and the infusion bottle 12 can be heated and kept at a constant temperature through the temperature adjustment button 26. The dripping rate of the dropper 15 can be controlled by the dripping rate controller 19, and the liquid distribution tube 16 can be diverted when the liquid level in the dropper 15 is too high to make it flow to the liquid collection bottle 17 to avoid reflux.
[0029] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A sterile blood perfusion extracorporeal circulation prefilling device, comprising a housing (1), characterized in that: The interior of the box body (1) is divided into an adjustment chamber (4), a heating chamber (5) and a liquid hanging chamber (6) by a first partition plate (2) and a second partition plate (3); the liquid hanging chamber (6) includes a driven shaft (7) in an adjustment component in the adjustment chamber (4) that penetrates the first partition plate (2) and extends into the liquid hanging chamber (6); a liquid hanging plate (8) is fixedly provided at the end of the driven shaft (7); a driven plate (9) is provided on the bottom surface of the box body (1) at a position corresponding to the position of the liquid hanging plate (8) in the liquid hanging chamber (6); and a connecting rod (10) is fixedly connected between the liquid hanging plate (8) and the driven plate (9).
2. The sterile blood perfusion extracorporeal circulation prefilling device according to claim 1, characterized in that: A plurality of hooks (11) are provided at the bottom of the liquid hanging tray (8), and an infusion bottle (12) is hung on the hooks (11). The driven tray (9) is provided with through holes (13) at positions corresponding to the hooks (11).
3. The sterile blood perfusion extracorporeal circulation prefilling device according to claim 2, characterized in that: The bottle mouth of the infusion bottle (12) protrudes outside the box body (1) through the through hole (13).
4. The sterile blood perfusion extracorporeal circulation prefilling device according to claim 3, characterized in that: An infusion tube (14) is inserted into the infusion bottle (12), a dropper (15) is provided on the infusion tube (14), a liquid dispensing tube (16) is provided on the upper tube wall of the infusion tube (14), the liquid dispensing tube (16) is connected to a liquid collecting bottle (17), a bottle stopper (18) is provided at the bottom of the liquid collecting bottle (17), and a dripping rate controller (19) is provided on the infusion tube (14) at the rear section of the dropper (15).
5. The sterile blood perfusion extracorporeal circulation prefilling device according to claim 1, characterized in that: The adjustment assembly comprises an electric rotating block (20) arranged on the top wall of the adjustment chamber (4); a driving gear (21) is arranged at the end of the electric rotating block (20); a driven gear (22) is arranged at the meshing position of the driving gear (21); a fixing block (23) for the driven gear (22) to rotate is arranged at the top of the adjustment chamber (4); and the bottom surface of the driven gear (22) is fixedly connected to the driven rotating shaft (7).
6. The sterile blood perfusion extracorporeal circulation prefilling device according to claim 1, characterized in that: A plurality of heating lamps (24) are provided inside the heating chamber (5), a temperature display (25) is provided on the outer wall of the box body (1) at the location of the heating chamber (5), and a temperature adjustment button (26) is provided below the temperature display (25).
7. The sterile blood perfusion extracorporeal circulation prefilling device according to claim 1, characterized in that: The outer wall of the box body (1) is provided with a cavity door (27) at the position of the liquid hanging cavity (6), the surface of the cavity door (27) is provided with a handle (28), and the cavity door (27) is provided with a transparent observation port (29) at the position corresponding to the current infusion bottle (12).