A pneumatic slow-injection syringe

Abstract

The present invention provides a pneumatic slow-injection syringe, which comprises a control box and an injection cylinder. A pneumatic unit, a heating unit and a battery module are arranged in the control box. The pneumatic unit includes an air inflation pump and an air extraction pump. An air blowing pipe and an air suction pipe corresponding to and connected with the air inflation pump and the air extraction pump are arranged in the control box. The injection cylinder is detachably connected to the control box and communicated with the air blowing pipe and the air suction pipe. By blowing air into and sucking air out of the injection cylinder, the injection cylinder is enabled to extract and inject drugs. The heating component of the heating unit heats the barrel of the injection cylinder. By providing the air inflation pump and the air extraction pump to blow air into and suck air out of the injection cylinder, the present invention assists a doctor to use the injection cylinder to extract and inject drugs, so that when drug injection is performed, it is no longer necessary to manually push the drug, greatly reducing the labor intensity of the doctor. Moreover, the heating component of the heating unit can heat the barrel to preheat the drug in the barrel and prevent discomfort caused to the patient by the over-cooled injection solution.

Description

Technical Field

[0001] The present invention belongs to the technical field of medical devices, and particularly relates to a pneumatic slow-injection syringe. Background Art

[0002] In certain medical scenarios, doctors need to use a syringe to inject drugs into the intestine through the anus, and the rate of injecting drugs into the intestine is required to be slow injection to protect the patient's intestine and improve the patient's treatment experience, avoiding discomfort to the patient. Therefore, it often takes about half an hour to complete the injection of the liquid medicine. The injection time is too long, and the doctor needs to hold the syringe to observe the injection progress in real time, which increases the labor intensity of the doctor and the work efficiency is not high. In addition, if the injection solution is too cold, it is easy to cause discomfort to the patient after entering the intestine and is not conducive to the doctor operating the syringe to inject drugs.

[0003] Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies of the prior art. Summary of the Invention

[0004] The object of the present invention is to overcome the problems in the prior art that when doctors need to use a syringe to inject drugs into the intestine through the anus, the time required is long, the labor intensity is large, and the work efficiency is low.

[0005] In order to achieve the above object, the present invention provides the following technical solution:

[0006] A pneumatic slow-injection syringe, comprising: a control box and an injection cylinder. The control box is provided with a pneumatic unit, a heating unit and a battery module; the pneumatic unit includes: an air inflation pump and an air extraction pump. A blowing pipe and a suction pipe corresponding to the air inflation pump and the air extraction pump are arranged in the control box; the injection cylinder is detachably connected to the control box and communicated with the blowing pipe and the suction pipe. By blowing air into and sucking air from the injection cylinder, the injection cylinder is used to extract and inject drugs, and the heating component of the heating unit heats the barrel of the injection cylinder.

[0007] In the pneumatic slow-injection syringe as described above, preferably, the outside of the control box is provided with a corner matching the injection cylinder, and a silicone plug is further provided on the outside of the control box;

[0008] The heating unit includes: a heater and a heating sheet. The heating sheet is electrically connected to the heater. The silicone plug and the heating sheet are respectively located on two adjacent sides of the corner, and the silicone plug is provided with a blowing hole channel and a suction hole channel;

[0009] A hollow rubber head is protruded on the surface of the silicone plug corresponding to the blowing hole channel and the suction hole channel, and the pipe orifices of the blowing pipe and the suction pipe are in interference fit with the corresponding rubber heads.

[0010] Preferably, a round tube protrudes from a side of the corner corresponding to the silicone plug, an annular protrusion is provided on the outer side of the round tube, and a slot adapted to the round tube is provided on the silicone plug, so that the slot corresponds to the round tube to sleeved the silicone plug outside the round tube.

[0011] Preferably, a groove platform is provided on the other side of the corner, and a through hole is provided along the middle of the groove platform. The heating sheet is placed on the groove platform and closely adheres to the outer barrel wall of the syringe barrel, and the heater is correspondingly arranged in the control box for the heating sheet.

[0012] Preferably, the tail of the syringe barrel is open, the silicone plug is inserted into the syringe barrel corresponding to the opening and is in interference fit with the syringe barrel, and a suitable piston is provided in the syringe barrel.

[0013] Preferably, a syringe head is docked at the front end of the syringe barrel, and the syringe head is in interference fit with the syringe barrel.

[0014] Preferably, a main control circuit board is further provided in the control box. The main control circuit board is electrically connected to the battery module. An air pump control module, a heating module, a timing module, a display module and a switch module are provided on the main control circuit board, and corresponding control buttons are provided outside the control box corresponding to the switch module;

[0015] The air pump control module is correspondingly electrically connected to the air pump, a display screen electrically connected to the display module is provided outside the control box, and the heating module is electrically connected to the heater.

[0016] Preferably, the timing module is electrically connected to the main control circuit board, and the display module is electrically connected to the display screen.

[0017] Preferably, the main control circuit board is fixed closely against the inner wall of the main control box.

[0018] Preferably, a positioning sensor is provided in the middle of the silicone plug, and an induction end is provided in the middle of the piston corresponding to the positioning sensor.

[0019] Advantageous effects: By providing an air pump and an air extraction pump to blow air and suck air into the syringe barrel, the present invention assists the doctor in using the syringe barrel to extract and inject drugs. Therefore, when injecting drugs, there is no need to manually push the drugs, greatly reducing the labor intensity of the doctor. And the heating component of the heating unit can heat the barrel to preheat the drugs in the barrel, preventing the injection solution from being too cold and causing discomfort to the patient, and improving the use effect of the syringe. Description of the Drawings

[0020] The accompanying drawings of the specification, which form a part of this application, are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. Among them:

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

[0022] Figure 2 is the schematic diagram of the corner structure of the present invention;

[0023] Figure 3 is the internal schematic diagram of the syringe structure of the present invention;

[0024] Figure 4 is the internal schematic diagram of the present invention;

[0025] Figure 5 is the external schematic diagram of the control box structure of the present invention;

[0026] Figure 6 is the overall schematic diagram of the silicone plug structure of the present invention;

[0027] Figure 7 is the schematic diagram of the module connection of the present invention.

[0028] In the figure: 1. Control box; 2. Inflation pump; 3. Air extraction pump; 4. Blowing pipe; 5. Suction pipe; 6. Corner; 7. Silicone plug; 8. Heater; 9. Heating sheet; 10. Blowing hole channel; 11. Suction hole channel; 12. Rubber head; 13. Round tube; 14. Annular protrusion; 15. Slot; 16. Groove platform; 17. Through hole; 18. Piston; 19. Syringe; 191. Injection head; 20. Main control circuit board; 21. Battery module; 22. Inflation pump control module; 23. Heating module; 24. Timing module; 25. Display module; 26. Switch module; 27. Display screen; 28. Positioning sensor; 29. Inductive end. Detailed implementation manners

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art belong to the scope of protection of the present invention.

[0030] In the description of the present invention, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and does not require the present invention to be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present invention. The terms "connected" and "coupled" used in the present invention should be understood in a broad sense. For example, it may be a fixed connection or a detachable connection; it may be directly connected or indirectly connected through an intermediate component. For those of ordinary skill in the art, the specific meanings of the above terms can be understood according to specific circumstances.

[0031] The present invention will be described in detail below with reference to the drawings and in conjunction with embodiments. It should be noted that, without conflict, the embodiments and features in the embodiments of the present invention can be combined with each other.

[0032] Embodiment 1

[0033] A pneumatic slow-injection syringe, referring to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , includes a control box 1 and a syringe barrel 19. An L-shaped corner 6 is provided outside the control box 1. The syringe barrel 19 is placed at the corner 6 for installation on the control box 1. A pneumatic unit, a heating unit, and a battery module 21 are provided inside the control box 1. The battery module 21 supplies power to the pneumatic unit and the heating unit. Specifically, the pneumatic unit includes: an air inflation pump 2 and an air extraction pump 3. A blow tube 4 and a suction tube 5 are correspondingly connected outside the air inflation pump 2 and the air extraction pump 3. The pipe orifice positions of the blow tube 4 and the suction tube 5 are fixed on the vertical surface of the corner 6. A silica gel plug 7 is provided outside the control box 1. The silica gel plug 7 is provided with a blow air hole channel 10 and a suction air hole channel 11 that match the blow tube 4 and the suction tube 5.

[0034] Referring to Figure 2 、 Figure 5 and Figure 6 , a round tube 13 is convexly provided outside the control box 1 in a direction perpendicular to the vertical surface of the corner 6. An annular protrusion 14 is provided outside the round tube 13. The silica gel plug 7 is provided with a slot 15 adapted to the round tube 13. By correspondingly inserting the round tube 13 into the slot 15, the silica gel plug 7 can be quickly sleeved outside the round tube 13. And a hollow rubber head 12 is convexly provided on the surface of the silica gel plug 7 corresponding to the blow air hole channel 10 and the suction air hole channel 11. While the silica gel plug 7 is sleeved outside the round tube 13, the pipe orifices of the blow tube 4 and the suction tube 5 are in interference fit with the corresponding rubber heads 12.

[0035] Referring to Figure 3, the tail of the syringe barrel 19 is opened, and the silicone plug 7 is inserted into the syringe barrel 19 corresponding to the opening, and the silicone plug 7 is in interference fit with the opening of the syringe barrel 19 to ensure sealing while enabling quick disassembly and assembly of the syringe barrel 19. The front end of the syringe barrel 19 is docked with a syringe head 191, and the syringe head 191 is fixed to the syringe barrel 19 in the same way as the silicone plug 7, so that the syringe head 191 is easy to disassemble and assemble, thereby facilitating the cleaning and disinfection of the syringe barrel 19. A suitable piston 18 is provided in the syringe barrel 19. The air inflation pump 2 and the air extraction pump 3 are controlled to blow air and suck air into the syringe barrel 19 through the air blowing pipe 4 and the air suction pipe 5 to generate positive and negative pressures, causing the piston 18 to reciprocate in the syringe barrel 19, enabling the syringe barrel 19 to complete the extraction and injection of drugs. This assists the doctor in using the syringe barrel 19 to extract and inject drugs. Thus, when injecting drugs, there is no need to manually push the drugs, greatly reducing the labor intensity of the doctor and providing great convenience for the doctor's work. Moreover, the piston 18 operates in a rodless state, greatly increasing the capacity of the syringe barrel 19 and improving the use effect of this syringe.

[0036] Referring to Figure 2 , Figure 3 and Figure 5 , the heating unit includes: a heater 8 and a heating sheet 9. The heater 8 and the heating sheet 9 are electrically connected. The heater 8 stabilizes the voltage of the heating sheet 9 and simultaneously transmits current to the heating sheet 9. Since the temperature of the injected drug cannot be too cold but also cannot be too hot, it is ensured that the heating power of the heating sheet 9 is fully adapted to the use of this syringe. The heating sheet 9 is located on the transverse surface of the corner 6. Specifically, a groove platform 16 is provided on the transverse surface of the corner 6, and a through hole 17 is opened along the middle of the groove platform 16. The heating sheet 9 is fixed to the groove platform 16, and when the syringe barrel 19 is placed at the corner 6, it is ensured that the heating sheet 9 can closely adhere to the outer barrel wall of the syringe barrel 19. Heating the barrel of the syringe barrel 19 by the heating sheet 9 can preheat the drug in the barrel, prevent the injection solution from being too cold and causing discomfort to the patient, improve the use effect of the syringe, and also provide a good treatment experience for the patient. The heater 8 is fixed to the control box 1 corresponding to the heating sheet 9. The through hole 17 is for the wire connecting the heater 8 and the heating sheet 9 to pass through, and it is convenient to place the heater 8 into the control box 1 through the through hole 17.

[0037] Example 2: On the basis of Example 1, referring to Figure 3 and Figure 7, a main control circuit board 20 is also provided inside the control box 1. The main control circuit board 20 is fixed closely against the inner top wall of the control box 1 so that control buttons can be set outside the control box 1. The battery module 21 supplies electrical energy to the main control circuit board 20. An air pump control module 22, a heating module 23, a timing module 24, a display module 25 and a switch module 26 are electrically connected to the main control circuit board 20. A display screen 27 is provided outside the control box 1 corresponding to the display module 25 to indicate the timing time and the heating identification, providing convenience for the user. Corresponding to the switch module 26 outside the control box 1, corresponding control buttons are provided. The control buttons include a power switch, a plus-minus timing switch, an air pump switch, a front-back switch and a heating switch. Among them, the front-back switch respectively represents controlling the air pump 2 and the air extraction pump 3 to blow air and suck air into the syringe 19.

[0038] During specific use, first press the power switch to make the entire main control circuit board 20 in an energized state to ensure that each control button can operate independently. Then press the air pump 2 switch to blow air into the syringe 19 to generate positive pressure, pushing the piston 18 forward until the piston 18 contacts the sealing plug on the injection head 191, and the air pump 2 automatically stops running, ensuring that the syringe 19 reaches the maximum extraction capacity and reducing the inhalation of air. Then bury the injection head 191 in the liquid medicine to be aspirated, press the air extraction pump 3 button to suck air into the syringe 19 to generate negative pressure, making the piston 18 move towards the tail of the syringe 19 until the syringe 19 aspirates the required liquid medicine. Press the air extraction pump 3 control switch again to make it stop running. Next, press the heating switch to make the heater 8 operate electrically, and at the same time stably output current to the heating sheet 9. Heat the barrel of the syringe 19 through the heating sheet 9 for a few minutes to ensure that the liquid is mild, avoiding the problem of too high temperature, because too high a temperature of the liquid medicine will also cause discomfort to the patient's body, and some drugs will also reduce their efficacy due to too high a temperature. During heating, the user can set the injection duration through the plus-minus timing switch according to the liquid medicine capacity in the syringe 19 to meet the requirement of injecting the liquid medicine at a fixed time. Specifically, a positioning sensor 28 is provided in the middle of the silica gel plug 7, and an induction end 29 is provided corresponding to the positioning sensor 28 in the middle of the piston 18. The positioning sensor 28 is electrically connected to the main control circuit board 20. Through the cooperation of the positioning sensor 28 and the induction end 29, the position of the piston 18 can be sensed in real time, so that the air pump control module 22 can adjust the blowing rate of the air pump 2 according to the real-time position of the piston 18 and the fixed injection time set by the user through the plus-minus timing switch, so that the piston 18 injects the liquid medicine in the syringe 19 into the patient's intestine within the specified time.

[0039] In this embodiment, the syringe 19 meets the requirement of injecting the liquid medicine into the patient's intestine at a fixed time, eliminating the need for doctors to monitor the progress of the liquid medicine injection in real time. This provides great convenience to doctors, greatly reduces their labor intensity, significantly improves work efficiency, and also brings a good treatment experience to patients.

[0040] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention are within the scope of protection of the pending claims of the present invention.

Claims

1. A pneumatic slow-injection syringe, characterized in that Comprising: A control box, inside which a pneumatic unit, a heating unit and a battery module are provided; The pneumatic unit includes: an air inflation pump and an air extraction pump, and an air blowing pipe and an air suction pipe corresponding to and connected with the air inflation pump and the air extraction pump are arranged inside the control box; A syringe barrel, which is detachably connected to the control box and communicated with the air blowing pipe and the air suction pipe. By blowing air into and sucking air from the syringe barrel, the syringe barrel is enabled to extract and inject drugs, and a heating component of the heating unit heats the barrel of the syringe barrel; A corner matching the syringe barrel is provided outside the control box, and a silica gel plug is further provided outside the control box; The heating unit includes: a heater and a heating sheet, the heating sheet is electrically connected to the heater, the silica gel plug and the heating sheet are respectively located on two adjacent sides of the corner, and air blowing hole channels and air suction hole channels are provided on the silica gel plug; Hollow rubber heads are protruded on the surface of the silica gel plug corresponding to the air blowing hole channels and the air suction hole channels, and the pipe orifices of the air blowing pipe and the air suction pipe are in interference fit with the corresponding rubber heads; A round pipe is protruded on one side of the corner corresponding to the silica gel plug, an annular protrusion is provided on the outer side of the round pipe, and a slot adapted to the round pipe is provided on the silica gel plug, so that the silica gel plug is sleeved outside the round pipe with the slot corresponding to the round pipe; A groove platform is provided on the other side of the corner, and a through hole is arranged along the middle of the groove platform. The heating sheet is placed on the groove platform and closely adheres to the outer barrel wall of the syringe barrel, and the heater is arranged inside the control box corresponding to the heating sheet; 2. The pneumatic slow-advancing syringe according to claim 1, wherein The tail of the syringe barrel is open, the silica gel plug is inserted into the syringe barrel corresponding to the opening and is in interference fit with the syringe barrel, and a suitable piston is provided inside the syringe barrel; 3. The pneumatic slow - injection syringe according to claim 1, wherein, A syringe head is butted at the front end of the syringe barrel, and the syringe head is in interference fit with the syringe barrel; 4. The pneumatic slow-injection syringe according to claim 1, wherein A main control circuit board is further provided inside the control box, the main control circuit board is electrically connected to the battery module, an air inflation pump control module, a heating module, a timing module, a display module and a switch module are provided on the main control circuit board, and corresponding control buttons are provided outside the control box corresponding to the switch module; The air inflation pump control module is correspondingly electrically connected to the air inflation pump, a display screen electrically connected to the display module is provided outside the control box, and the heating module is electrically connected to the heater; 5. The pneumatic slow-advancing syringe according to claim 4, wherein The timing module is electrically connected to the main control circuit board, and the display module is electrically connected to the display screen; 6. The pneumatic slow-advancing syringe according to claim 4, wherein The main control circuit board is fixed closely adhering to the inner wall of the control box; 7. The pneumatic slow-injection syringe according to claim 2, wherein A positioning sensor is provided in the middle of the silica gel plug, and an induction end is provided in the middle of the piston corresponding to the positioning sensor.

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