Quantitative spraying device for partial anesthesia
By designing a quantitative spray device for a part anesthesia including a quantitative pump, a delivery tube and a temperature control assembly, the problem of drug deterioration caused by the lack of protective measures in the existing devices is solved, and the constant temperature preservation of the drug and the stability of the anesthetic effect of the drug is achieved.
Patent Information
- Application Number
- CN202411604809.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-02-11
AI Technical Summary
The existing quantitative spray device for anesthesia at the site lacks protective measures. External light and heat may cause the drug to deteriorate, affecting the anesthesia effect, and are not conducive to long-term storage.
A part anesthesia quantitative spray device including a shell, a medicine storage box, a dosing pump, a delivery tube and a temperature control assembly is designed. The anesthetics in the medicine storage box are extracted by a quantitative pump and sprayed through the delivery tube. The temperature control assembly includes a temperature sensor and a semiconductor refrigeration sheet, which is used to store the medicine in the medicine storage box at a constant temperature to avoid the influence of heat and light.
Through the use of temperature control components, the drug is effectively prevented from deteriorating due to external light and heat, extending the storage time of the drug, and ensuring the stability of the anesthesia effect.
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Figure CN119405982A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of medical devices, and in particular to a quantitative spray device for local anesthesia. Background Art
[0002] Anesthesia is a reversible functional inhibition of the central or peripheral nervous system produced by drugs or other methods. The main characteristic of this inhibition is the loss of sensation, especially pain. With the gradual prevalence of Western medicine, anesthesiology has begun to be widely used in clinical medicine. The current common methods are intravenous injection or artificial spraying.
[0003] For example, the Chinese patent with the publication number CN217067291U proposes a quantitative spray device for clinical part anesthesia in the medical anesthesia department. The component is provided with an adjustment rod and an infusion tube. The adjustment rod is provided to facilitate the user to drive the spray head to rise and fall, thereby facilitating the user to spray the anesthesia part of the patient, thereby improving the working efficiency of the overall device. The infusion tube is provided to facilitate the user to transport the anesthetic agent, thereby facilitating the user to extract a quantitative amount of the agent according to the patient; the sealing gasket and the clamping ring are provided, and the sealing gasket is provided to facilitate the user to extract the agent, thereby increasing the efficiency of the user to extract the agent quantitatively. The clamping ring is provided to facilitate the user to drive the clamping ring to rise and fall, thereby facilitating the user to spray the agent, and at the same time increasing the stability of the user spraying the agent, saving the time spent by the user on spraying the agent, and increasing the practicality of the overall device. However, in this scheme, there is a lack of corresponding protective measures. External light and heat are likely to cause the drug to deteriorate, affecting the anesthetic effect of the drug, which is not conducive to long-term storage. For this reason, we propose a quantitative spray device for part anesthesia. Summary of the invention
[0004] In view of the deficiencies in the prior art, the present invention provides a quantitative spray device for local anesthesia, which solves the problem that due to the lack of corresponding protective measures, external light and heat are likely to cause drug deterioration, affect the anesthetic effect of the drug, and are not conducive to long-term storage.
[0005] The above technical objectives of the present invention are achieved through the following technical solutions:
[0006] A quantitative spray device for local anesthesia comprises: a shell, a storage groove is provided on the top surface of the shell, a medicine storage box is fixedly installed inside the storage groove; a water outlet hole, the water outlet hole is provided on the top surface of the medicine storage box, a medicine extraction tube is fixedly installed inside the water outlet hole, a quantitative pump is fixedly installed at one end of the medicine extraction tube, a delivery pipe is fixedly installed inside the water outlet of the quantitative pump; a temperature control component, the temperature control component is arranged on one side of the interior of the medicine storage box for temperature control.
[0007] By adopting the above technical solution and setting a metering pump, when in use, the anesthetic inside the medicine storage box is drawn out by the metering pump, and the anesthetic flows into the inside of the delivery tube and is sprayed on the anesthetized part of the patient, so that medical staff can draw out a certain amount of medicine according to the patient, and the medicine inside the medicine storage box is kept at a constant temperature by the temperature control component, thereby increasing the shelf life of the medicine, avoiding the deterioration of the medicine caused by external light and heat, and ensuring the anesthetic effect of the medicine.
[0008] Preferably, the temperature control component includes: a temperature measuring tank, which is opened on one side of the interior of the medicine storage box, and a temperature sensor is fixedly installed inside the temperature measuring tank; a through hole, which is opened on the inner bottom surface of the medicine storage box, and a heat conductive plate is fixedly installed inside the through hole, and a semiconductor refrigeration plate is fixedly installed on one side of the interior of the through hole.
[0009] By adopting the above technical solution, a temperature sensor is set to detect the temperature inside the medicine storage box, and the semiconductor refrigeration sheet is turned on to cool the medicine inside the medicine storage box, thereby achieving refrigerated storage and preventing the medicine from being heated and affecting the anesthetic effect of the medicine.
[0010] Preferably, the temperature control component further comprises: a heat preservation tank, the heat preservation tank is opened on one side of the inner part of the shell, and a heat preservation layer is fixedly installed inside the heat preservation tank.
[0011] By adopting the above technical solution and providing a heat-insulating layer, the medicine storage box is insulated by the heat-insulating layer, thereby slowing down the rate of heat loss in the medicine storage box and the influence of external heat, thereby improving practicality.
[0012] Preferably, a heat dissipation hole is opened on the inner bottom surface of the storage slot, a heat dissipation fan is fixedly installed on one side of the inner part of the heat dissipation hole, and a dustproof net is fixedly installed inside the heat dissipation hole.
[0013] By adopting the above technical solution and setting up a heat dissipation fan, the heat dissipation fan is used to dissipate the heat at the heating end of the semiconductor refrigeration plate, thereby preventing the semiconductor refrigeration plate from being overheated and damaged, resulting in the inability to adjust the temperature of the medicine inside the medicine storage box.
[0014] Preferably, a dosing hole is provided on the top surface of the medicine storage box, a water injection pipe is fixedly installed inside the dosing hole, a sealing cover is movably installed inside the water injection pipe, an instrument slot is provided on the inner bottom surface of the medicine storage box, and a liquid level sensor is fixedly installed inside the instrument slot.
[0015] By adopting the above technical solution, a liquid level sensor is set to detect the storage amount of the medicine in the medicine storage box. When the remaining anesthetic is insufficient, the sealing cover is removed by rotating the sealing cover, which makes it convenient for the staff to add medicine into the medicine storage box through the water injection pipe, making it easy to use.
[0016] Preferably, a mounting block is fixedly installed at one end of the delivery pipe, an atomizing nozzle is fixedly installed inside the mounting block, two telescopic grooves are opened on one side of the interior of the mounting block, a first electric push rod is fixedly installed inside the telescopic groove, and a sealing plate is fixedly installed at one end of the telescopic shaft of the first electric push rod.
[0017] By adopting the above technical solution and setting an atomizing nozzle, when the anesthetic is transported to the inside of the mounting block through the delivery pipe, the anesthetic is sprayed out in mist through the atomizing nozzle, so that the anesthetic is evenly sprayed on the anesthetized part of the patient, thereby improving the anesthesia effect. The sealing plate is pushed to move by the telescopic shaft of the first electric push rod so that the two sealing plates are fitted together to protect the atomizing nozzle, thereby preventing the atomizing nozzle from being exposed to the outside for a long time and being easily trapped by dust, which may cause the atomizing nozzle to be blocked and affect its use.
[0018] Preferably, two adjustment grooves are provided on the inner bottom surface of the shell, a moving box is fixedly installed inside the adjustment groove, a second electric push rod is fixedly installed inside the moving box, a moving plate is fixedly installed on one end of the telescopic shaft of the second electric push rod, and a plurality of universal wheels are fixedly installed on the bottom surface of the moving plate.
[0019] By adopting the above technical solution, a second electric push rod is provided, and the movable plate is pushed to move by the telescopic shaft of the second electric push rod, so that the universal wheel moves downward close to the ground, which makes it convenient for the staff to push the spray device to move and improves practicality.
[0020] Preferably, a display screen is fixedly mounted on one side of the housing, and a controller is fixedly mounted on one side of the housing.
[0021] By adopting the above technical solution and setting a display screen, the staff can understand the temperature and remaining amount of the medicine inside the medicine storage box through the display screen, and the staff can operate the spray device through the controller, thereby improving the convenience of use.
[0022] In summary, the present invention mainly has the following beneficial effects:
[0023] By setting a metering pump, the medicine storage box is made of opaque material. The anesthetic inside the medicine storage box is extracted by the metering pump, and the anesthetic flows into the inside of the delivery tube and is sprayed on the anesthetized part of the patient, which makes it convenient for medical staff to extract a certain amount of medicine according to the patient. By setting a temperature sensor, the temperature inside the medicine storage box is detected by the temperature sensor, and the semiconductor refrigeration sheet is turned on to cool the medicine inside the medicine storage box, thereby realizing refrigerated storage and preventing the medicine from being exposed to heat and light, which would affect the anesthetic effect of the medicine.
[0024] By providing an insulation layer, the medicine storage box is insulated through the insulation layer, the rate of heat loss in the medicine storage box and the influence of external heat are slowed down, thereby improving practicality. By providing a heat dissipation fan, the heat dissipation end of the semiconductor refrigeration plate is dissipated by the heat dissipation fan, thereby preventing the semiconductor refrigeration plate from being overheated and damaged, resulting in the inability to adjust the temperature of the medicine inside the medicine storage box.
[0025] By setting a liquid level sensor, the storage amount of the medicine in the medicine storage box is detected by the liquid level sensor. When the remaining anesthetic is insufficient, the sealing cover is removed by rotating the sealing cover, so that the staff can add medicine into the medicine storage box through the water injection pipe, which is convenient for use.
[0026] By setting up an atomizing nozzle, when the anesthetic is transported to the inside of the mounting block through the delivery pipe, the anesthetic is sprayed out in a mist form through the atomizing nozzle, so that the anesthetic is evenly sprayed on the anesthetized part of the patient, thereby improving the anesthesia effect. The sealing plate is pushed to move by the telescopic shaft of the first electric push rod so that the two sealing plates are fitted together to protect the atomizing nozzle, thereby preventing the atomizing nozzle from being exposed to the outside for a long time and being easily trapped by dust, which may cause the atomizing nozzle to be blocked and affect its use.
[0027] By providing a second electric push rod, the movable plate is pushed to move by the telescopic shaft of the second electric push rod, so that the universal wheel moves downward close to the ground, which is convenient for the staff to push the spray device to move and improves practicality. By providing a display screen, the staff can understand the temperature and remaining amount of the medicine inside the medicine storage box through the display screen, and the staff can operate the spray device through the controller, which improves convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 It is a three-dimensional structural schematic diagram of the present invention;
[0029] Figure 2 It is a schematic diagram of the structure of the medicine extraction tube of the present invention;
[0030] Figure 3 It is a schematic diagram of the split structure of the installation block of the present invention;
[0031] Figure 4 It is a schematic diagram of the disassembled structure of the medicine storage box of the present invention;
[0032] Figure 5 It is a schematic diagram of the shell split structure of the present invention;
[0033] Figure 6 It is a schematic diagram of the disassembly structure of the mobile box of the present invention.
[0034] 1. Casing; 2. Storage tank; 3. Medicine storage box; 4. Water outlet; 5. Medicine extraction pipe; 6. Dosing pump; 7. Delivery pipe; 8. Temperature measuring tank; 9. Temperature sensor; 10. Through hole; 11. Heat conduction plate; 12. Semiconductor refrigeration plate; 13. Insulation tank; 14. Insulation layer; 15. Heat dissipation hole; 16. Heat dissipation fan; 17. Dustproof net; 18. Dosing hole; 19. Water injection pipe; 20. Sealing cover; 21. Instrument slot; 22. Liquid level sensor; 23. Mounting block; 24. Atomizing nozzle; 25. Telescopic slot; 26. First electric push rod; 27. Sealing plate; 28. Adjustment slot; 29. Moving box; 30. Second electric push rod; 31. Moving plate; 32. Display screen; 33. Controller. DETAILED DESCRIPTION
[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0036] Embodiment 1
[0037] refer to Figure 1 , Figure 2 , Figure 4 and Figure 5, a quantitative spray device for local anesthesia, comprising a shell 1, a storage tank 2 is provided on the top surface of the shell 1, a medicine storage box 3 is fixedly installed inside the storage tank 2, a water outlet hole 4 is provided on the top surface of the medicine storage box 3, a medicine extraction tube 5 is fixedly installed inside the water outlet hole 4, a quantitative pump 6 is fixedly installed at one end of the medicine extraction tube 5, a delivery tube 7 is fixedly installed inside the water outlet of the quantitative pump 6, a temperature control component is arranged on one side of the interior of the medicine storage box 3 for temperature control, by arranging the quantitative pump 6, when in use, the anesthetic inside the medicine storage box 3 is extracted by the quantitative pump 6, so that the anesthetic flows into the interior of the delivery tube 7, and is sprayed on the anesthesia part of the patient, so that the medical staff can extract a quantitative amount of medicine according to the patient, and the medicine inside the medicine storage box 3 is kept at a constant temperature by the temperature control component, so as to improve the storage time of the medicine, avoid the deterioration of the medicine caused by external light and heat, and ensure the anesthetic effect of the medicine, the temperature control component comprises a temperature measuring tank 8, the temperature measuring tank 8 is opened on the inner side of the medicine storage box 3, a temperature sensor 9 is fixedly installed inside the temperature measuring groove 8, a through hole 10 is opened on the inner bottom surface of the medicine storage box 3, a heat conducting plate 11 is fixedly installed inside the through hole 10, and a semiconductor refrigeration plate 12 is fixedly installed on the inner side of the through hole 10. By setting the temperature sensor 9, the temperature inside the medicine storage box 3 is detected by the temperature sensor 9, and the semiconductor refrigeration plate 12 is turned on. The medicine inside the medicine storage box 3 is cooled by the semiconductor refrigeration plate 12 to achieve refrigerated storage, avoid the medicine from being heated, and affect the anesthetic effect of the medicine. The temperature control component also includes an insulation groove 13, the insulation groove 13 is opened on the inner side of the shell 1, and an insulation layer 14 is fixedly installed inside the insulation groove 13. By setting the insulation layer 14, the medicine storage box 3 is insulated by the insulation layer 14, the heat loss rate of the medicine storage box 3 and the influence of external heat are slowed down, thereby improving practicality.
[0038] Embodiment 2
[0039] Based on the above embodiment 1, reference Figure 1 , Figure 2 , Figure 3 and Figure 4A heat dissipation hole 15 is provided on the inner bottom surface of the storage tank 2, and a heat dissipation fan 16 is fixedly installed on one side of the inner side of the heat dissipation hole 15, and a dustproof net 17 is fixedly installed inside the heat dissipation hole 15. By setting the heat dissipation fan 16, the heat dissipation end of the semiconductor refrigeration plate 12 is dissipated by the heat dissipation fan 16 to avoid overheating and damage of the semiconductor refrigeration plate 12, which leads to the inability to adjust the temperature of the medicine inside the medicine storage box 3. A dosing hole 18 is provided on the top surface of the medicine storage box 3, and a water injection pipe 19 is fixedly installed inside the dosing hole 18. A sealing cover 20 is movably installed inside the water injection pipe 19. An instrument groove 21 is provided on the inner bottom surface of the medicine storage box 3, and a liquid level sensor 22 is fixedly installed inside the instrument groove 21. By setting the liquid level sensor 22, the storage amount of the medicine in the medicine storage box 3 is detected by the liquid level sensor 22. When the remaining anesthetic is insufficient, the sealing cover 20 is removed by rotating the sealing cover 20, so that the staff can add medicine to the medicine storage box 3 through the water injection pipe 19 for easy use.
[0040] Embodiment 3
[0041] Based on the above embodiment 1 or 2, refer to Figure 1 , Figure 2 and Figure 3 A mounting block 23 is fixedly mounted on one end of the delivery pipe 7, an atomizing nozzle 24 is fixedly mounted inside the mounting block 23, two telescopic grooves 25 are provided on one side of the interior of the mounting block 23, a first electric push rod 26 is fixedly mounted inside the telescopic groove 25, a sealing plate 27 is fixedly mounted on one end of the telescopic shaft of the first electric push rod 26, by setting the atomizing nozzle 24, when the anesthetic is delivered to the interior of the mounting block 23 through the delivery pipe 7, the anesthetic is sprayed out in a mist form through the atomizing nozzle 24, so that the anesthetic is evenly sprayed on the anesthetized part of the patient to improve the anesthesia effect, the sealing plate 27 is pushed to move by the telescopic shaft of the first electric push rod 26, so that the two sealing plates 27 are fitted together to protect the atomizing nozzle 24, so as to prevent the atomizing nozzle 24 from being exposed to the outside for a long time, which is easy to fall into dust, causing the atomizing nozzle 24 to be blocked and affecting the use.
[0042] Embodiment 4
[0043] Based on the above embodiments 1, 2 or 3, refer to Figure 1 , Figure 2 , Figure 5 and Figure 6The inner bottom surface of the shell 1 is provided with two adjusting grooves 28, a moving box 29 is fixedly installed inside the adjusting groove 28, a second electric push rod 30 is fixedly installed inside the moving box 29, a moving plate 31 is fixedly installed at one end of the telescopic shaft of the second electric push rod 30, and a plurality of universal wheels are fixedly installed on the bottom surface of the moving plate 31. By setting the second electric push rod 30, the moving plate 31 is pushed to move by the telescopic shaft of the second electric push rod 30, so that the universal wheels move downward close to the ground, which is convenient for the staff to push the spray device to move and improve the practicality. A display screen 32 is fixedly installed on one side of the shell 1, and a controller 33 is fixedly installed on one side of the shell 1. The controller 33 is electrically connected with the quantitative pump 6, the temperature sensor 9, the semiconductor refrigeration sheet 12, the heat dissipation fan 16, the liquid level sensor 22, the first electric push rod 26, the second electric push rod 30 and the display screen 32. By setting the display screen 32, it is convenient for the staff to understand the temperature and the remaining amount of the medicine in the medicine storage box 3 through the display screen 32, and it is convenient for the staff to operate the spray device through the controller 33, thereby improving the convenience of use.
[0044] Working principle: Please refer to Figure 1-Figure 6As shown, by setting a metering pump 6, when in use, the anesthetic in the medicine storage box 3 is extracted by the metering pump 6, so that the anesthetic flows into the inside of the delivery pipe 7 and is sprayed on the anesthetized part of the patient, which is convenient for medical staff to extract a certain amount of medicine according to the patient. By setting a temperature sensor 9, the temperature inside the medicine storage box 3 is detected by the temperature sensor 9, and the semiconductor refrigeration sheet 12 is turned on. The medicine inside the medicine storage box 3 is cooled by the semiconductor refrigeration sheet 12 to achieve refrigerated storage, avoid the medicine from being heated and affecting the anesthetic effect of the medicine, and A heat preservation layer 14 is provided to insulate the medicine storage box 3, thereby slowing down the rate of heat loss in the medicine storage box 3 and the influence of external heat, thereby improving practicality; a heat dissipation fan 16 is provided to dissipate heat from the heating end of the semiconductor refrigeration sheet 12, thereby preventing the semiconductor refrigeration sheet 12 from being overheated and damaged, thereby preventing the temperature of the medicine inside the medicine storage box 3 from being adjusted; a liquid level sensor 22 is provided to detect the storage amount of the medicine in the medicine storage box 3, and when the remaining anesthetic is insufficient, the liquid level sensor 22 is used to detect the storage amount of the medicine in the medicine storage box 3. The sealing cover 20 is movable and removed, so that it is convenient for the staff to add medicine into the medicine storage box 3 through the water injection pipe 19, which is convenient for use. By setting the atomizing nozzle 24, when the anesthetic is transported to the inside of the mounting block 23 through the delivery pipe 7, the anesthetic is sprayed out in a mist through the atomizing nozzle 24, so that the anesthetic is evenly sprayed on the anesthetized part of the patient, thereby improving the anesthetic effect. The sealing plate 27 is pushed to move by the telescopic shaft of the first electric push rod 26, so that the two sealing plates 27 are fitted together to protect the atomizing nozzle 24, so as to prevent the atomizing nozzle 24 from being exposed to the outside for a long time and easily falling into dust, thereby causing the atomizing nozzle 24 to be blocked and affecting use. By setting the second electric push rod 30, the movable plate 31 is pushed to move by the telescopic shaft of the second electric push rod 30, so that the universal wheel moves downward close to the ground, so that it is convenient for the staff to push the spray device to move, thereby improving practicality. By setting the display screen 32, the display screen 32 is convenient for the staff to understand the temperature and remaining amount of the medicine inside the medicine storage box 3, and the controller 33 is convenient for the staff to operate the spray device, thereby improving the convenience of use.
[0045] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A quantitative spray device for local anesthesia, characterized in that: include: A housing (1), wherein a storage slot (2) is provided on the top surface of the housing (1), and a medicine storage box (3) is fixedly installed inside the storage slot (2); A water outlet (4), the water outlet (4) being provided on the top surface of the medicine storage box (3), a medicine extraction pipe (5) being fixedly installed inside the water outlet (4), a metering pump (6) being fixedly installed at one end of the medicine extraction pipe (5), and a delivery pipe (7) being fixedly installed inside the water outlet of the metering pump (6); A temperature control component is arranged on one side of the interior of the medicine storage box (3) and is used for temperature control.
2. A quantitative spray device for local anesthesia according to claim 1, characterized in that: The temperature control component comprises: A temperature measuring tank (8), the temperature measuring tank (8) being disposed on one side of the interior of the medicine storage box (3), and a temperature sensor (9) being fixedly installed inside the temperature measuring tank (8); A through hole (10), wherein the through hole (10) is opened on the inner bottom surface of the medicine storage box (3), a heat conducting plate (11) is fixedly installed inside the through hole (10), and a semiconductor cooling plate (12) is fixedly installed on one side of the inside of the through hole (10).
3. A quantitative spray device for local anesthesia according to claim 1, characterized in that: The temperature control component also includes: A heat preservation tank (13), wherein the heat preservation tank (13) is opened on one side of the interior of the shell (1), and a heat preservation layer (14) is fixedly installed inside the heat preservation tank (13).
4. A quantitative spray device for local anesthesia according to claim 3, characterized in that: A heat dissipation hole (15) is provided on the inner bottom surface of the storage slot (2), a heat dissipation fan (16) is fixedly installed on one side of the inner side of the heat dissipation hole (15), and a dustproof net (17) is fixedly installed inside the heat dissipation hole (15).
5. A quantitative spray device for local anesthesia according to claim 1, characterized in that: The medicine storage box (3) is provided with a medicine adding hole (18) on the top surface, a water injection pipe (19) is fixedly installed inside the medicine adding hole (18), a sealing cover (20) is movably installed inside the water injection pipe (19), and an instrument slot (21) is provided on the inner bottom surface of the medicine storage box (3), and a liquid level sensor (22) is fixedly installed inside the instrument slot (21).
6. A quantitative spray device for local anesthesia according to claim 1, characterized in that: A mounting block (23) is fixedly mounted on one end of the delivery pipe (7), an atomizing nozzle (24) is fixedly mounted inside the mounting block (23), two telescopic grooves (25) are provided on one side of the interior of the mounting block (23), a first electric push rod (26) is fixedly mounted inside the telescopic groove (25), and a sealing plate (27) is fixedly mounted on one end of the telescopic shaft of the first electric push rod (26).
7. A quantitative spray device for local anesthesia according to claim 1, characterized in that: The inner bottom surface of the housing (1) is provided with two adjustment grooves (28), a moving box (29) is fixedly installed inside the adjustment groove (28), a second electric push rod (30) is fixedly installed inside the moving box (29), a moving plate (31) is fixedly installed at one end of the telescopic shaft of the second electric push rod (30), and a plurality of universal wheels are fixedly installed on the bottom surface of the moving plate (31).
8. A quantitative spray device for local anesthesia according to claim 1, characterized in that: A display screen (32) is fixedly mounted on one side of the housing (1), and a controller (33) is fixedly mounted on one side of the housing (1).
Citation Information
Patent Citations
Clinical part anesthesia quantitative spraying device for medical anesthesiology department
CN217067291U
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