Dosing device for otolaryngology department
By designing a drug mixing component and a dynamic sealing mechanism for an ENT drug delivery device, the problems of drug precipitation and uneven drug delivery were solved, achieving uniform drug mixing and accurate drug delivery, simplifying the operation process, and improving the treatment effect.
Patent Information
- Application Number
- CN202511171895.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-21
- Publication Date
- 2025-10-31
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Traditional ENT drug administration methods suffer from problems such as uneven drug distribution due to drug precipitation, high operational complexity, inaccurate drug administration, and low safety.
An ENT drug delivery device was designed, comprising a drug mixing component, a drug pushing component, a guiding component, an adjusting component, a leak-proof component, and an anti-loosening component. A variable frequency motor drives a threaded rod to rotate, and a bevel gear drives a flexible rubber strip to stir the drug solution, ensuring uniform mixing. A dynamic sealing mechanism is adopted to prevent drug backflow, and the adjusting component controls the drug flow rate, simplifying operation.
This method achieves uniform mixing of the drug, improves the accuracy and stability of drug administration, reduces operational complexity and labor intensity, and enhances drug utilization and therapeutic effect.
Smart Images
Figure CN120860445A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of drug delivery devices, specifically an otolaryngology drug delivery device. Background Technology
[0002] In the clinical treatment and nursing process of otolaryngology, accurate, uniform and efficient drug delivery to patients is crucial. Traditional drug delivery methods often have many limitations. For example, drugs are prone to precipitation in the container when left to stand, resulting in uneven distribution of drug components. This not only affects the therapeutic effect, but may also cause adverse reactions due to excessively high or low local concentrations. In addition, operators usually need to mix the drugs outside the device. This process not only increases the complexity and time cost of the operation, but may also introduce errors due to external factors, reducing the accuracy and safety of drug delivery. Therefore, an otolaryngology drug delivery device is proposed. Summary of the Invention
[0003] The purpose of this invention is to provide an otolaryngology drug delivery device to solve the problems mentioned in the background art.
[0004] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: This invention relates to an otolaryngology drug delivery device, comprising a syringe body, a protective cover mounted on the right side of the syringe body, an operating handle connected to the bottom of the syringe body, and further comprising: A drug delivery mechanism, located on the right side of the syringe body, is used to mix and deliver the drug into the syringe body; and The drug delivery mechanism is located on the left side of the syringe body. The drug delivery mechanism is used to uniformly deliver the drug inside the syringe body into the patient's lesion by adjusting and controlling the amount. The drug delivery mechanism includes a drug mixing component, which abuts against the top right side of the syringe body. The drug mixing component includes a drug container, and the drug container has several flexible rubber strips inside. The operating handle has a charging port on the front, an adjustment button group on the left side, and a rechargeable battery inside.
[0005] Furthermore, the drug delivery mechanism also includes: An extraction assembly, mounted on top of the syringe body, is used to deliver the mixed medication into the syringe body. A drug delivery assembly is disposed on the right side inside the syringe body, and the drug delivery assembly is used to push the drug inside the syringe body to the outside; The output end of the drug pushing component is connected to the drug mixing component.
[0006] Furthermore, the drug delivery mechanism includes a guide assembly mounted on the left side of the syringe body, the guide assembly being used to precisely guide and deliver the drug. An adjustment component, installed on the left side inside the syringe body, is used to adjust the flow rate of the discharged drug. A leak-proof component, disposed to the right of the regulating component, is used to prevent backflow of the medication and ensure that the medication always flows in one direction. An anti-loosening component is installed on the left side of the syringe body. The anti-loosening component is connected to the adjustment component and is used to limit and fix the adjustment component. The mixing component is connected to the syringe body via a plug-in connection.
[0007] Furthermore, a sealing cap is installed on the top of the liquid medicine container, and the bottom opening of the liquid medicine container is threadedly connected to the top of the syringe body. A rotating rod is connected to one side of several flexible rubber strips. The rotating rod passes through the syringe body and extends into the interior. A bevel gear is provided on the right side inside the syringe body. The interior of the bevel gear is connected to the outer surface of the rotating rod. A bevel gear is meshed with the outer surface of the bevel gear. The liquid medicine container is provided with a sealing ring at the threaded connection between the liquid medicine container and the syringe body.
[0008] Furthermore, the extraction component includes a second protective cover, the bottom of which is connected to the top of the syringe body. A micropump is installed inside the second protective cover. A drug inlet tube is connected to the right water inlet end of the micropump. The side of the drug inlet tube away from the micropump is connected to the bottom water outlet of the drug container. A drug outlet tube is connected to the left water outlet end of the micropump. The side of the drug outlet tube away from the micropump passes through the syringe body and extends to the left side inside. Both the inlet pipe and the outlet pipe are installed through the protective cover.
[0009] Furthermore, the drug delivery assembly includes a variable frequency motor, which is installed inside a protective cover. The left output end of the variable frequency motor is connected to a threaded rod via a coupling. The outer surface of the threaded rod is rotatably connected to the right side of the syringe body. A partition is connected to the inner wall of the syringe body. The threaded rod passes through the syringe body and the partition and extends to the left side of the partition. The outer surface of the threaded rod is connected to the inside of a bevel gear. The bevel gear is located on the right side of the partition. A push rod is located on the left side of the partition. The inside of the push rod is threadedly connected to the outer surface of the threaded rod. Two limiting grooves are formed on the outer surface of the push rod. Limiting strips are slidably connected inside the two limiting grooves. The right side of the two limiting strips is connected to the left side of the partition. A piston is installed on the side of the push rod away from the partition. The outer ring of the piston contacts the inner wall of the syringe body. The threaded rod is located in the threaded groove on the left side of the partition.
[0010] Furthermore, the guiding assembly includes a drug delivery tube with a flexible metal strip connected to its surface. A nozzle is installed on the left side of the drug delivery tube, and a connecting cap is connected to the side of the drug delivery tube away from the nozzle. The connecting cap is inserted into the left side of the outer surface of the syringe body. The connection between the connecting cap and the syringe body is provided with concave and convex textures.
[0011] Furthermore, the adjustment component includes a knob, inside which is connected a rotating rod two. The rotating rod two passes through the syringe body and extends into it. A gear is provided on the left side inside the syringe body. The inside of the gear is connected to the outer surface of the rotating rod two. A rack is meshed with the outer surface of the gear. A limit rod is connected to the side of the rack away from the gear. A slide rail is connected to the inner wall of the syringe body. The inside of the slide rail is slidably connected to the end of the limit rod away from the rack. A limit frame is connected to the right side of the rack. The limiting frame has an arc-shaped opening on the side away from the rack.
[0012] Furthermore, the leak-proof component includes a conical discharge port, which is located on the right side of the limiting frame. The outer ring of the conical discharge port is connected to the inner wall of the syringe body. A sealing ball is provided at the left opening of the conical discharge port. A protruding edge is connected to the outer ring of the sealing ball. A spring is connected to the side of the protruding edge near the conical discharge port, and the side of the spring away from the protruding edge is connected to the outer ring of the conical discharge port. The inner diameter of the conical discharge port is smaller on the left and larger on the right.
[0013] Furthermore, the anti-loosening component includes a fixing seat, the bottom of which is connected to the left side of the top of the syringe body. The inner wall of the fixing seat is provided with several limiting grooves, and the inner ring of the fixing seat is provided with a limiting plate. The inside of the limiting plate is welded to the outer surface of the rotating rod. The outer ring of the limiting plate is provided with several limiting balls, and the outer surfaces of the several limiting balls respectively contact the inner walls of the several limiting grooves. Among them, several of the limiting balls and limiting grooves are semi-circular.
[0014] The present invention has the following beneficial effects: (1) The present invention sets up a drug mixing component, specifically a variable frequency motor drives the threaded rod to rotate, and the first bevel gear and the second bevel gear drive the rotating rod and the flexible rubber strip to stir the drug in the drug container. This design can prevent drug precipitation, ensure uniform mixing of multi-component drugs, avoid uneven concentration affecting efficacy, and automatically complete the drug preparation, reduce manual operation links, significantly improve work efficiency and reduce the labor intensity of medical staff.
[0015] (2) The present invention sets up a leak-proof component. Specifically, when the drug is pushed through the conical discharge port, the sealing ball moves to the left and separates from the discharge port under the action of fluid pressure, so as to realize the discharge of the drug. During this process, the convex edge drives the spring to stretch and store energy. When the piston stops moving, the spring releases the stored energy and drives the sealing ball to reset and reseal the left opening of the discharge port. This dynamic sealing mechanism can effectively block the drug from flowing back to the syringe body, prevent the remaining drug from contaminating and microbial growth, and at the same time ensure the unidirectional flow of the drug, improve the drug utilization rate and drug administration stability.
[0016] (3) The present invention sets up an adjustment component, specifically by rotating the knob clockwise, which drives the gear through the rotating rod two, and then drives the rack to move. At the same time, the rack pushes the limiting frame closer to the sealing ball, adjusting the distance of the opening of the conical discharge port of the sealing ball, thereby controlling the flow rate of the medicine, meeting the actual needs, simplifying the operation and reducing side effects. In addition, the rotating rod two also drives the limiting plate to rotate, so that multiple limiting balls intermittently contact each other in the limiting groove. The limiting plate is limited by the fixed seat to prevent the rotating rod two from rotating due to the medicine thrust, ensuring the stability after the flow rate is adjusted.
[0017] Of course, any product implementing this invention does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description
[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0019] Figure 1 This is a schematic diagram of the structure of the present invention; Figure 2 This is a schematic diagram of the cross-sectional structure of the syringe body of the present invention; Figure 3 This is a schematic cross-sectional view of the pharmaceutical container of the present invention; Figure 4 This is a schematic diagram of the exploded structure of the drug delivery assembly of the present invention; Figure 5 This is a schematic diagram of the cross-sectional structure of the conical drug discharge port of the present invention; Figure 6 For the present invention Figure 5 A magnified structural diagram of A in the middle; Figure 7 For the present invention Figure 5 A magnified structural diagram of B in the diagram; Figure 8 This is a schematic diagram of the flexible metal strip structure of the present invention; The attached diagram lists the components represented by each number as follows: In the diagram: 111. Syringe body; 112. Operating handle; 113. Charging port; 114. Protective cover one; 115. Adjustment button group; 2. Drug feeding mechanism; 21. Drug mixing assembly; 211. Drug container; 212. Sealing cap; 213. Flexible adhesive strip; 214. Rotating rod one; 215. Bevel gear one; 216. Bevel gear two; 22. Extraction assembly; 221. Protective cover two; 222. Micropump; 223. Drug inlet tube; 224. Drug outlet tube; 23. Drug pushing assembly; 231. Variable frequency motor; 232. Threaded rod; 233. Partition plate; 234. Limiting strip; 235. Push rod; 2 36. Limiting groove; 237. Piston; 3. Drug delivery mechanism; 31. Guide assembly; 311. Drug delivery tube; 312. Flexible metal strip; 313. Nozzle; 314. Connecting cap; 32. Adjusting assembly; 321. Rotating rod II; 322. Slide rail; 323. Limiting frame; 324. Knob; 325. Gear; 326. Rack; 327. Limiting rod; 33. Leak-proof assembly; 331. Conical drug discharge port; 332. Sealing ball; 333. Protruding edge; 334. Spring; 34. Anti-loosening assembly; 341. Fixing seat; 342. Limiting groove; 343. Limiting plate; 344. Limiting ball. Detailed Implementation
[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0021] Please see Figures 1-8 As shown, the present invention is an ENT drug delivery device, including a syringe body 111, a protective cover 114 installed on the right side of the syringe body 111, an operating handle 112 connected to the bottom of the syringe body 111, and further including: Drug feeding mechanism 2, located on the right side of syringe body 111, is used to mix and deliver the drug into the syringe body 111; and The drug delivery mechanism 3 is located on the left side of the syringe body 111. The drug delivery mechanism 3 is used to uniformly deliver the drug inside the syringe body 111 into the patient's lesion by adjusting and controlling the amount. The drug delivery mechanism 2 includes a drug mixing component 21, which abuts against the top right side of the syringe body 111. The drug mixing component 21 includes a drug container 211, and a number of flexible rubber strips 213 are provided inside the drug container 211. The operating handle 112 has a charging port 113 on the front, an adjustment button group 115 on the left side of the operating handle 112, and a storage battery inside the operating handle 112.
[0022] Drug delivery facility 2 also includes: Extraction component 22, which is installed on top of syringe body 111, is used to deliver the mixed medicine into the syringe body 111. The drug pushing component 23 is located on the right side inside the syringe body 111. The drug pushing component 23 is used to push the drug inside the syringe body 111 to the outside. The output end of the drug pushing component 23 is connected to the drug mixing component 21.
[0023] The drug delivery mechanism 3 includes a guide assembly 31, which is installed on the left side of the syringe body 111 and is used to precisely guide and deliver the drug. Adjustment component 32 is installed on the left side inside the syringe body 111 and is used to adjust the flow rate of the discharged drug. Leak-proof component 33, located to the right of regulating component 32, is used to prevent backflow of the agent and ensure that the agent always flows in one direction; and The anti-loosening component 34 is installed on the left side of the syringe body 111. The anti-loosening component 34 is connected to the adjustment component 32 and is used to limit and fix the adjustment component 32. The mixing component 21 is connected to the syringe body 111 by a plug-in connection.
[0024] A sealing cap 212 is installed on the top of the liquid medicine container 211. The bottom opening of the liquid medicine container 211 is threadedly connected to the top of the syringe body 111. Several flexible rubber strips 213 are connected to a rotating rod 214 on one side of the corresponding side. The rotating rod 214 passes through the syringe body 111 and extends into the interior. A bevel gear 215 is provided on the right side inside the syringe body 111. The interior of the bevel gear 215 is connected to the outer surface of the rotating rod 214. A bevel gear 216 is meshed with the outer surface of the bevel gear 215. A sealing ring is provided at the threaded connection between the device 211 and the syringe body 111. The variable frequency motor 231 drives the threaded rod 232 to rotate, and through the first bevel gear 215 and the second bevel gear 216, the rotating rod 214 and the flexible rubber strip 213 stir the medicine in the medicine container 211. This design can prevent the medicine from settling, ensure that the multi-component medicine is mixed evenly, avoid uneven concentration affecting the efficacy, and at the same time automate the preparation of the medicine, reduce manual operation, significantly improve work efficiency and reduce the labor intensity of medical staff.
[0025] The extraction component 22 includes a second protective cover 221. The bottom of the second protective cover 221 is connected to the top of the syringe body 111. A micro pump 222 is installed inside the second protective cover 221. A drug inlet tube 223 is connected to the water inlet end on the right side of the micro pump 222. The side of the drug inlet tube 223 away from the micro pump 222 is connected to the water outlet at the bottom of the liquid container 211. A drug outlet tube 224 is connected to the water outlet end on the left side of the micro pump 222. The side of the drug outlet tube 224 away from the micro pump 222 passes through the syringe body 111 and extends to the left side inside. Both the drug inlet tube 223 and the drug outlet tube 224 pass through the second protective cover 221.
[0026] The drug delivery assembly 23 includes a variable frequency motor 231, which is installed inside the protective cover 114. A threaded rod 232 is connected to the left output end of the variable frequency motor 231 via a coupling. The outer surface of the threaded rod 232 is rotatably connected to the right side of the syringe body 111. A partition 233 is connected to the inner wall of the syringe body 111. The threaded rod 232 passes through the syringe body 111 and the partition 233 and extends to the left side of the partition 233. The outer surface of the threaded rod 232 is connected to the inside of a bevel gear 216. The bevel gear 216 is located within the partition... A push rod 235 is provided on the right side of the plate 233 and the left side of the partition 233. The push rod 235 is threadedly connected to the outer surface of the threaded rod 232. Two limiting grooves 236 are provided on the outer surface of the push rod 235. Limiting strips 234 are slidably connected inside the two limiting grooves 236. The right side of the two limiting strips 234 is connected to the left side of the partition 233. A piston 237 is installed on the side of the push rod 235 away from the partition 233. The outer ring of the piston 237 contacts the inner wall of the syringe body 111. The threaded rod 232 is located in the threaded groove on the left side of the partition 233.
[0027] The guide assembly 31 includes a drug delivery tube 311, a flexible metal strip 312 connected to the surface of the drug delivery tube 311, a nozzle 313 installed on the left side of the drug delivery tube 311, and a connecting cap 314 connected to the side of the drug delivery tube 311 away from the nozzle 313. The inside of the connecting cap 314 is inserted into the left side of the outer surface of the syringe body 111, and the connection between the connecting cap 314 and the syringe body 111 is provided with concave and convex textures.
[0028] Adjustment component 32 includes a knob 324, inside which a rotating rod 321 is connected. The rotating rod 321 passes through the syringe body 111 and extends into it. A gear 325 is located on the left side inside the syringe body 111. The inside of the gear 325 is connected to the outer surface of the rotating rod 321. A rack 326 is meshed with the outer surface of the gear 325. A limit rod 327 is connected to the side of the rack 326 away from the gear 325. A slide rail 322 is connected to the inner wall of the syringe body 111. The inside of the slide rail 322 is slidably connected to the end of the limit rod 327 away from the rack 326. A limit frame 323 is connected to the right side of the rack 326. The limit frame 323 is located away from the rack 326. One side of knob 6 has an arc-shaped opening. Rotating knob 324 clockwise drives gear 325 via lever 321, which in turn drives rack 326 to move. Simultaneously, rack 326 pushes limit bracket 323 closer to sealing ball 332, adjusting the distance between the opening of conical discharge port 331 of sealing ball 332, thereby controlling the drug flow rate to meet actual needs, simplifying operation and reducing side effects. In addition, lever 321 also drives limit plate 343 to rotate, causing multiple limit balls 344 to intermittently contact within limit groove 342. The fixed seat 341 limits limit plate 343, preventing lever 321 from rotating due to drug thrust, ensuring stability after flow rate adjustment.
[0029] The leak-proof component 33 includes a conical discharge port 331, which is located on the right side of the limiting frame 323. The outer ring of the conical discharge port 331 is connected to the inner wall of the syringe body 111. A sealing ball 332 is provided at the left opening of the conical discharge port 331. A protruding edge 333 is connected to the outer ring of the sealing ball 332. A spring 334 is connected to the side of the protruding edge 333 near the conical discharge port 331. The side of the spring 334 away from the protruding edge 333 is connected to the outer ring of the conical discharge port 331. The internal diameter of the conical discharge port 331 is smaller on the left and larger on the right. When the drug is pushed through the conical discharge port 331, the sealing ball 332 moves to the left and separates from the discharge port under the action of fluid pressure, so that the drug is discharged. During this process, the convex edge 333 drives the spring 334 to stretch and store energy. When the piston 237 stops moving, the spring 334 releases the stored energy and drives the sealing ball 332 to reset and reseal the left opening of the discharge port. This dynamic sealing mechanism can effectively block the backflow of the drug to the syringe body 111, prevent the contamination of residual drug and the growth of microorganisms, and at the same time ensure the unidirectional flow of the drug, thereby improving the drug utilization rate and drug administration stability.
[0030] The anti-loosening component 34 includes a fixing seat 341. The bottom of the fixing seat 341 is connected to the left side of the top of the syringe body 111. The inner wall of the fixing seat 341 is provided with several limiting grooves 342. The inner ring of the fixing seat 341 is provided with a limiting plate 343. The inside of the limiting plate 343 is welded to the outer surface of the rotating rod 321. The outer ring of the limiting plate 343 is provided with several limiting balls 344. The outer surfaces of the several limiting balls 344 respectively contact the inner walls of the several limiting grooves 342. The several limiting balls 344 and the limiting grooves 342 are all semi-circular.
[0031] In use, first connect the liquid container 211 to the right side of the top of the syringe body 111 via a threaded connection. Then, add the medication into the liquid container 211 by opening the sealing cap 212, and then seal the cap 212. The operator then presses the adjustment button group 115 by holding the operating handle 112. The output power of the frequency converter motor 231 can be adjusted by adjusting the button group 115. The frequency converter motor 231 will then drive the threaded rod 232 to rotate. As the threaded rod 232 rotates, it drives the second bevel gear 216 to rotate. During the rotation of the second bevel gear 216, it drives the first rotating rod 214 to rotate via the first bevel gear 215. During the rotation of the first rotating rod 214, multiple flexible rubber strips 213 stir the medication inside the liquid container 211, reducing the occurrence of sedimentation. Simultaneously, stirring ensures that different components of the medication are evenly dispersed in the solvent, preventing localized excessively high or low concentrations. This improves treatment effectiveness and avoids mixing medications outside the device, thereby increasing work efficiency and reducing the workload of medical staff. Then, the operator starts the micropump 222. At this time, the micropump 222 draws the medication from the drug container 211 through the drug inlet tube 223, and then delivers the medication into the syringe body 111 through the drug outlet tube 224. At the same time, the rotation of the threaded rod 232 drives the push rod 235 to move. At this time, the push rod 235 moves to the left through the limiting strip 234 and the limiting groove 236. During the movement of the push rod 235, it slides on the outer surface of the limiting strip 234 through the limiting groove 236. The limiting strip 234 and the limiting groove 236 provide a certain degree of limitation and support for the movement trajectory of the push rod 235. During the movement of the push rod 235, the piston 237 pushes the medication. Simultaneously, as the drug is pushed, it passes through the conical discharge port 331. At this time, the sealing ball 332 moves to the left due to the force of the drug, and simultaneously disengages from the conical discharge port 331. The drug can then be discharged from the conical discharge port 331. During the movement of the sealing ball 332, the protruding edge 333 also moves, stretching the spring 334. The spring 334, constrained by the surface of the conical discharge port 331, is stretched and stores force. When the piston 237 stops moving, the protruding edge 333 will cause the sealing ball 332 to reset due to the rebound force of the spring 334. At this time, the sealing ball 332 will re-fit and seal with the left opening of the conical drug discharge port 331, preventing the backflow of the drug when the piston 237 is released. This effectively blocks the backflow of the drug into the syringe body 111, avoids contamination of the remaining drug, reduces the risk of microbial growth, and at the same time, the anti-backflow function can ensure that the drug always flows in one direction, improves drug utilization, and enhances the stability of the drug delivery process. Simultaneously, the operator can adjust the flow rate of the medicine. Specifically, rotating the knob 324 clockwise causes the rotating rod 321 to rotate. During the rotation of the rotating rod 321, the rack 326 moves via the gear 325. Simultaneously, the rack 326 moves, causing the limiting rod 327 to slide inside the slide rail 322. At this time, the slide rail 322, through the limiting rod 327, provides a certain degree of limitation and stability to the movement trajectory of the rack 326. During the movement of the rack 326, the limiting frame 323 moves closer to the sealing ball 332. The limiting frame 323 limits the movement range of the sealing ball 332, thereby adjusting the distance between the sealing ball 332 and the left opening of the conical discharge port 331. By adjusting the distance between the sealing ball 332 and the conical discharge port... The size of the opening 331 adjusts the flow rate during drug delivery, allowing doctors or patients to flexibly adjust it according to actual needs, simplifying the operation process, and reducing the side effects caused by excessive or insufficient dosage, thus reducing secondary harm to patients. Simultaneously, the rotation of the second rotating rod 321 drives the limiting plate 343 to rotate. During the rotation of the limiting plate 343, multiple limiting balls 344 intermittently contact each other within the limiting grooves 342. These limiting grooves 342, connected to the syringe body 111 via the fixing seat 341, limit the limiting balls 344. Furthermore, the multiple limiting balls 344 limit the limiting plate 343 through the limiting grooves 342, reducing the possibility of the limiting balls 344 rotating due to drug thrust, thereby improving the stability of the drug flow rate adjustment. When delivering medication to a patient, the operator can freely adjust the shape of the delivery tube 311 using the flexible metal strip 312, making it easier to deliver the nozzle 313 to the lesion site according to different parts of the patient, thus improving the effectiveness of the device.
[0032] The preferred embodiments of the present invention disclosed above are merely illustrative of the invention. These preferred embodiments do not exhaustively describe all details, nor do they limit the invention to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of the invention, thereby enabling those skilled in the art to better understand and utilize the invention. The invention is limited only by the claims and their full scope and equivalents.
Claims
1. An ENT drug delivery device, comprising a syringe body (111), a protective cover (114) mounted on the right side of the syringe body (111), and an operating handle (112) connected to the bottom of the syringe body (111), characterized in that, Also includes: A drug delivery mechanism (2) is disposed on the right side of the syringe body (111), and the drug delivery mechanism (2) is used to mix and deliver the drug into the syringe body (111); and Drug delivery mechanism (3), which is located on the left side of syringe body (111), is used to uniformly deliver the drug inside syringe body (111) into the patient's lesion by adjusting and controlling the amount. The drug delivery mechanism (2) includes a drug mixing component (21), which abuts against the top right side of the syringe body (111). The drug mixing component (21) includes a liquid container (211), and the liquid container (211) is provided with a number of flexible rubber strips (213). The operating handle (112) has a charging port (113) on the front, an adjustment button group (115) is installed on the left side of the operating handle (112), and a storage battery is installed inside the operating handle (112).
2. The ENT drug delivery device according to claim 1, characterized in that: The drug delivery mechanism (2) also includes: Extraction assembly (22), which is mounted on top of syringe body (111), is used to deliver the mixed medicine into syringe body (111): The drug pushing component (23) is disposed on the right side inside the syringe body (111) and is used to push the drug inside the syringe body (111) to the outside. The output end of the drug pushing component (23) is connected to the drug mixing component (21).
3. The ENT drug delivery device according to claim 1, characterized in that: The drug delivery mechanism (3) includes a guide assembly (31) which is installed on the left side of the syringe body (111) and is used to precisely guide and deliver the drug. An adjustment component (32) is installed on the left side inside the syringe body (111) and is used to adjust the flow rate of the discharged drug. A leak-proof component (33) is disposed to the right of the regulating component (32). The leak-proof component (33) is used to prevent backflow of the medicine and ensure that the medicine always maintains unidirectional flow. An anti-loosening component (34) is installed on the left side of the syringe body (111). The anti-loosening component (34) is connected to the adjusting component (32). The anti-loosening component (34) is used to limit and fix the adjusting component (32). The mixing component (21) is connected to the syringe body (111) via a plug-in connection.
4. The ENT drug delivery device according to claim 1, characterized in that: The liquid container (211) is fitted with a sealing cap (212) on top. The bottom opening of the liquid container (211) is threadedly connected to the top of the syringe body (111). A number of flexible rubber strips (213) are connected to a rotating rod (214) on one side of the corresponding side. The rotating rod (214) passes through the syringe body (111) and extends into the interior. A bevel gear (215) is provided on the right side inside the syringe body (111). The interior of the bevel gear (215) is connected to the outer surface of the rotating rod (214). A bevel gear (216) is meshed with the outer surface of the bevel gear (215). The liquid medicine container (211) and the syringe body (111) are provided with a sealing ring at the threaded connection.
5. The ENT drug delivery device according to claim 2, characterized in that: The extraction component (22) includes a second protective cover (221), the bottom of which is connected to the top of the syringe body (111). A micro pump (222) is installed inside the second protective cover (221). A drug inlet tube (223) is connected to the right water inlet end of the micro pump (222). The side of the drug inlet tube (223) away from the micro pump (222) is connected to the bottom water outlet of the liquid container (211). A drug outlet tube (224) is connected to the left water outlet end of the micro pump (222). The side of the drug outlet tube (224) away from the micro pump (222) penetrates the syringe body (111) and extends to the left side inside. The inlet pipe (223) and outlet pipe (224) are both installed through the second protective cover (221).
6. The ENT drug delivery device according to claim 2, characterized in that: The drug delivery assembly (23) includes a variable frequency motor (231), which is installed inside the protective cover (114). The left output end of the variable frequency motor (231) is connected to a threaded rod (232) via a coupling. The outer surface of the threaded rod (232) is rotatably connected to the right side of the syringe body (111). A partition (233) is connected to the inner wall of the syringe body (111). The threaded rod (232) passes through the syringe body (111) and the partition (233) and extends to the left side of the partition (233). The outer surface of the threaded rod (232) is connected to the inside of the bevel gear (216). A bevel gear (216) is located on the right side of the partition (233). A push rod (235) is located on the left side of the partition (233). The push rod (235) is threadedly connected to the outer surface of the threaded rod (232). Two limiting grooves (236) are opened on the outer surface of the push rod (235). Limiting strips (234) are slidably connected inside the two limiting grooves (236). The right side of the two limiting strips (234) is connected to the left side of the partition (233). A piston (237) is installed on the side of the push rod (235) away from the partition (233). The outer ring of the piston (237) is in contact with the inner wall of the syringe body (111). The threaded rod (232) is located in the threaded groove on the left side of the partition plate (233).
7. The ENT drug delivery device according to claim 3, characterized in that: The guide assembly (31) includes a delivery tube (311), a flexible metal strip (312) is connected to the surface of the delivery tube (311), a nozzle (313) is installed on the left side of the delivery tube (311), and a connecting cap (314) is connected to the side of the delivery tube (311) away from the nozzle (313). The inside of the connecting cap (314) is inserted into the left side of the outer surface of the syringe body (111). The connection between the connecting cap (314) and the syringe body (111) is provided with concave and convex textures.
8. An ENT drug delivery device according to claim 3, characterized in that: The adjustment component (32) includes a knob (324), inside which is connected a rotating rod (321). The rotating rod (321) passes through the syringe body (111) and extends into it. A gear (325) is provided on the left side inside the syringe body (111). The inside of the gear (325) is connected to the outer surface of the rotating rod (321). A rack (326) is meshed with the outer surface of the gear (325). A limit rod (327) is connected to the side of the rack (326) away from the gear (325). A slide rail (322) is connected to the inner wall of the syringe body (111). The inside of the slide rail (322) is slidably connected to the end of the limit rod (327) away from the rack (326). A limit frame (323) is connected to the right side of the rack (326). The limiting frame (323) has an arc-shaped opening on the side away from the rack (326).
9. An ENT drug delivery device according to claim 3, characterized in that: The leak-proof component (33) includes a conical discharge port (331), which is located on the right side of the limiting frame (323). The outer ring of the conical discharge port (331) is connected to the inner wall of the syringe body (111). A sealing ball (332) is provided at the left opening of the conical discharge port (331). A protruding edge (333) is connected to the outer ring of the sealing ball (332). A spring (334) is connected to the side of the protruding edge (333) near the conical discharge port (331). The side of the spring (334) away from the protruding edge (333) is connected to the outer ring of the conical discharge port (331). The internal diameter of the conical discharge port (331) is smaller on the left and larger on the right.
10. An ENT drug delivery device according to claim 3, characterized in that: The anti-loosening component (34) includes a fixing seat (341), the bottom of which is connected to the left side of the top of the syringe body (111). The inner wall of the fixing seat (341) is provided with several limiting grooves (342). The inner ring of the fixing seat (341) is provided with a limiting plate (343). The inside of the limiting plate (343) is welded to the outer surface of the rotating rod (321). The outer ring of the limiting plate (343) is provided with several limiting balls (344). The outer surfaces of the several limiting balls (344) respectively contact the inner walls of the several limiting grooves (342). Among them, several of the limiting balls (344) and limiting grooves (342) are semi-circular.