Dry powder delivery device with replaceable medicine tube

Abstract

The utility model provides a dry powder delivery device with a replaceable medicine tube. The dry powder delivery device with the replaceable medicine tube comprises a delivery device body, a limiting circular ring is fixedly installed on the outer side of the delivery device body, a fixing seat is fixedly installed on the inner wall of the top of the delivery device body, the medicine tube is arranged in the delivery device body, and a protective shell is rotatably installed at the bottom of the fixing seat. A first button is slidably mounted in the protective shell, the bottom end of the first button extends out of the protective shell, a delivery opening is fixedly formed in the top of the delivery device body, and a placement cylinder is slidably mounted in the delivery device body. The dry powder delivery device with the replaceable medicine tube has the advantages of being convenient to use, capable of cleaning an internal connector of the device and capable of being detached and replaced more quickly.

Description

Technical Field

[0001] The utility model relates to the technical field of dry powder delivery, in particular to a dry powder delivery device with a replaceable drug tube. Background Art

[0002] Dry powder delivery devices are commonly used to deliver dry powdered drugs for inhalation therapy. This device is mainly used to treat respiratory diseases. The working principle is that the dry powdered drug is loaded into a replaceable drug tube, and then the negative pressure generated during inhalation draws the drug out of the device and delivers it to the respiratory tract.

[0003] However, the traditional dry powder delivery device with replaceable drug tubes contains dry powder drugs or other substances. When the drug tube is replaced, some dry powder particles remain inside the device. If not cleaned properly, it is very easy to cause cross infection and bacterial growth. In addition, it is not very convenient to replace, and patients need to spend some time and energy.

[0004] Therefore, it is necessary to provide a new dry powder delivery device with replaceable drug tube to solve the above technical problems. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a dry powder delivery device with a replaceable drug tube which is easy to use, can clean the internal connection port of the device, and can be disassembled and replaced more quickly.

[0006] In order to solve the above technical problems, the dry powder delivery device with replaceable drug tube provided by the utility model comprises: a delivery device body, a limiting ring is fixedly installed on the outer side of the delivery device body, a fixing seat is fixedly installed on the top inner wall of the delivery device body, a drug tube is arranged in the delivery device body, a protective shell is rotatably installed at the bottom of the fixing seat, a first button is slidably installed in the protective shell, the bottom end of the first button extends to the outside of the protective shell, a delivery port is fixedly installed on the top of the delivery device body, a placement cylinder is slidably installed in the delivery device body, one end of the placement cylinder extends into the delivery port and is provided with a sphere, and a pressing and cleaning mechanism is slidably installed in the fixing seat.

[0007] Preferably, the press-cleaning mechanism includes two cleaning blocks slidably mounted on the fixed seat near the side of the drug tube, two connecting rods are fixedly mounted on the sides of the two cleaning blocks away from each other, one end of the two connecting rods extends into the fixed seat and is fixedly mounted with a second limit rod, the other end of the second limit rod extends to the outside of the delivery device body and is fixedly mounted with a first limit rod, two second buttons are slidably mounted on the outer side of the delivery device body, the second button is fixedly connected to the first limit rod, a limit plate is fixedly mounted on the outer side of the connecting rod, a spring is fixedly mounted on the side of the limit plate away from the second limit rod, a movable plate is slidably mounted on the outer side of the connecting rod, and the other end of the spring is fixedly connected to the movable plate.

[0008] Preferably, a groove is provided on one side of the cleaning block close to the fixing seat, and a protrusion is provided on one side of the fixing seat close to the cleaning block, and the groove and the protrusion are matched.

[0009] Preferably, a second movable groove is provided in the body of the delivery device, the first limiting rod is matched with the second movable groove, and a first movable groove is provided on the fixing seat, and the second limiting rod is matched with the first movable groove.

[0010] Preferably, a card block is fixedly mounted on the top of the protective shell, and a card slot is provided at the bottom of the fixing seat, and the card block is adapted to the card slot.

[0011] Preferably, the spring is arranged on the outside of the connecting rod.

[0012] Compared with the related art, the dry powder delivery device with replaceable drug tube provided by the utility model has the following beneficial effects:

[0013] The utility model provides a dry powder delivery device with a replaceable drug tube. Through the cooperation of a second button, a first limiting rod, a second movable groove, a limiting plate, a spring, a movable plate, a groove, a protrusion, a cleaning block, a fixed seat, a connecting rod, a first movable groove and a second limiting rod, when the second button is pressed, the cleaning block can clean the connecting port of the internal drug tube, thereby avoiding cross infection and bacterial breeding caused by poor cleaning, and facilitating cleaning, and better reducing the time and energy of patients in cleaning; through the cooperation of a protective shell, a drug tube, a card block and a card slot, when the protective shell is rotated, the card slot and the card block can better fix the drug tube, making it more convenient to disassemble and install, thereby avoiding inconvenience in replacement and disassembly when the patient is in urgent need of use; through the cooperation of a delivery port, a sphere and a placement cylinder, when the patient uses the device, the sphere can spray dry powder quantitatively, thereby avoiding more or less dry powder when the patient uses the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1A schematic structural diagram of a preferred embodiment of a dry powder delivery device with replaceable drug tube provided by the utility model;

[0015] Figure 2 for Figure 1 The cross-sectional structural diagram shown;

[0016] Figure 3 for Figure 2 The front view cross-sectional structure schematic diagram shown;

[0017] Figure 4 for Figure 3 An enlarged schematic diagram of the structure of part B is shown;

[0018] Figure 5 for Figure 2 A schematic diagram of the enlarged structure of part A is shown.

[0019] Numbers in the figure: 1. first button, 2. delivery device body, 3. second button, 4. delivery port, 5. first limiting rod, 6. limiting ring, 7. sphere, 8. placement tube, 9. drug tube, 10. protective shell, 11. second limiting rod, 12. movable plate, 13. connecting rod, 14. slot, 15. spring, 16. block, 17. limiting plate, 18. fixed seat, 19. cleaning block, 20. protrusion, 21. groove, 22. first movable groove, 23. second movable groove. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of a dry powder delivery device with replaceable drug tube provided by the utility model; Figure 2 for Figure 1 The cross-sectional structural diagram shown; Figure 3 for Figure 2 The front view cross-sectional structure schematic diagram shown; Figure 4 for Figure 3 An enlarged schematic diagram of the structure of part B is shown; Figure 5 for Figure 2The schematic diagram of the enlarged structure of part A is shown. The dry powder delivery device with replaceable drug tubes includes: a delivery device body 2, a limiting ring 6 is fixedly installed on the outer side of the delivery device body 2, a fixing seat 18 is fixedly installed on the top inner wall of the delivery device body 2, a drug tube 9 is arranged in the delivery device body 2, a protective shell 10 is rotatably installed at the bottom of the fixing seat 18, a first button 1 is slidably installed in the protective shell 10, and the bottom end of the first button 1 extends to the outside of the protective shell 10, a delivery port 4 is fixedly installed on the top of the delivery device body 2, a placement tube 8 is slidably installed in the delivery device body 2, one end of the placement tube 8 extends into the delivery port 4 and is provided with a ball 7, and a pressing cleaning mechanism is slidably installed in the fixing seat 18, and the cleaning mechanism can prevent the delivery device body 2 from cross infection and bacterial growth.

[0022] The pressing and cleaning mechanism includes two cleaning blocks 19 slidably mounted on the fixed seat 18 near the side of the drug tube 9, two connecting rods 13 are fixedly mounted on the sides of the two cleaning blocks 19 away from each other, one end of the two connecting rods 13 extends into the fixed seat 18 and is fixedly mounted with a second limiting rod 11, the other end of the second limiting rod 11 extends to the outside of the delivery device body 2 and is fixedly mounted with a first limiting rod 5, two second buttons 3 are slidably mounted on the outer side of the delivery device body 2, the second button 3 is fixedly connected to the first limiting rod 5, a limiting plate 17 is fixedly mounted on the outer side of the connecting rod 13, a spring 15 is fixedly mounted on the side of the limiting plate 17 away from the second limiting rod 11, a movable plate 12 is slidably mounted on the outer side of the connecting rod 13, and the other end of the spring 15 is fixedly connected to the movable plate 12.

[0023] A groove 21 is provided on one side of the cleaning block 19 close to the fixing seat 18, and a protrusion 20 is provided on one side of the fixing seat 18 close to the cleaning block 19. The groove 21 and the protrusion 20 are matched, and the cleaning block 19 can clean the residual dry powder at the connection port.

[0024] The delivery device body 2 is provided with a second moving groove 23 , the first limiting rod 5 is matched with the second moving groove 23 , the fixing seat 18 is provided with a first moving groove 22 , and the second limiting rod 11 is matched with the first moving groove 22 .

[0025] A clamping block 16 is fixedly mounted on the top of the protective shell 10 , and a clamping slot 14 is provided at the bottom of the fixing seat 18 . The clamping block 16 is matched with the clamping slot 14 .

[0026] The spring 15 is arranged on the outside of the connecting rod 13 , and the spring 15 can be used for resetting so that the second button 3 can be used multiple times.

[0027] The working principle of the dry powder delivery device with replaceable drug tube provided by the utility model is as follows:

[0028] When in use, first put the sphere 7 and the placement tube 8 into the delivery device body 2 one by one, rotate the drug tube 9 to the connection port in the delivery device body 2 and confirm that it is fixed, put the first button 1 into the protective shell 10, align the block 16 on the top of the protective shell 10 with the card slot 14 and rotate it to fix it, move the delivery port 4 to the nasal cavity or the mouth and inhale the dry powder, the sphere 7 can quantitatively control the dry powder to avoid more or less, when the drug tube 9 needs to be replaced, first rotate and remove the protective shell 10, and then rotate and remove the drug tube 9, at this time press the second buttons 3 on both sides of the delivery device body 2, the The second button 3 drives the first limiting rod 5 to move into the delivery device body 2, the first limiting rod 5 drives the second limiting rod 11 to move inward, the second limiting rod 11 drives the connecting rod 13 to move inward, the second limiting rod 11 drives the cleaning block 19 to move inward, the spring 15 is compressed, and when it moves to a certain position, the second button 3 is rotated, the first limiting rod 5 and the second limiting rod 11 can move at the second moving groove 23 and the first moving groove 22 respectively, the cleaning block 19 moves at the connecting port and cleans the residual dry powder attached thereto, thereby completing the cleaning work of the device.

[0029] Compared with the related art, the dry powder delivery device with replaceable drug tube provided by the utility model has the following beneficial effects:

[0030] The utility model provides a dry powder delivery device with a replaceable drug tube, through the cooperation of the second button 3, the first limiting rod 5, the second movable groove 23, the limiting plate 17, the spring 15, the movable plate 12, the groove 21, the protrusion 20, the cleaning block 19, the fixing seat 18, the connecting rod 13, the first movable groove 22 and the second limiting rod 11, when the second button 3 is pressed, the cleaning block 19 can clean the connecting port of the internal drug tube, thereby avoiding cross infection and bacterial growth caused by poor cleaning, and at the same time facilitating cleaning and better The time and energy of the patient in cleaning is reduced; by cooperating with the protective shell 10, the drug tube 9, the block 16 and the slot 14, when the protective shell 10 is rotated, the slot 14 and the block 16 can better fix the drug tube 9, making it more convenient to disassemble and install, thereby avoiding the inconvenience of replacement and disassembly when the patient urgently needs to use it; by cooperating with the delivery port 4, the sphere 7 and the placement tube 8, when the patient uses the device, the sphere 7 can spray out dry powder in a quantitative manner, thereby avoiding more or less dry powder when the patient uses the device.

[0031] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A dry powder delivery device with a replaceable drug tube, characterized in that: include: A delivery device body, wherein a limiting ring is fixedly installed on the outer side of the delivery device body, a fixing seat is fixedly installed on the top inner wall of the delivery device body, a drug tube is arranged in the delivery device body, a protective shell is rotatably installed at the bottom of the fixing seat, a first button is slidably installed in the protective shell, and the bottom end of the first button extends to the outside of the protective shell, a delivery port is fixedly installed on the top of the delivery device body, a placement cylinder is slidably installed in the delivery device body, one end of the placement cylinder extends into the delivery port and is provided with a sphere, and a pressing and cleaning mechanism is slidably installed in the fixing seat.

2. The dry powder delivery device with replaceable drug tube according to claim 1, characterized in that: The pressing and cleaning mechanism includes two cleaning blocks slidably mounted on the fixed seat near the side of the drug tube, two connecting rods are fixedly mounted on the sides of the two cleaning blocks away from each other, one end of the two connecting rods extends into the fixed seat and is fixedly mounted with a second limiting rod, the other end of the second limiting rod extends to the outside of the delivery device body and is fixedly mounted with a first limiting rod, two second buttons are slidably mounted on the outer side of the delivery device body, the second button is fixedly connected to the first limiting rod, a limiting plate is fixedly mounted on the outer side of the connecting rod, a spring is fixedly mounted on the side of the limiting plate away from the second limiting rod, a movable plate is slidably mounted on the outer side of the connecting rod, and the other end of the spring is fixedly connected to the movable plate.

3. The dry powder delivery device with replaceable drug tube according to claim 2, characterized in that: A groove is provided on one side of the cleaning block close to the fixing seat, and a convex block is provided on one side of the fixing seat close to the cleaning block, and the groove and the convex block are matched.

4. The dry powder delivery device with replaceable drug tube according to claim 2, characterized in that: The delivery device body is provided with a second moving groove, the first limiting rod is matched with the second moving groove, the fixing seat is provided with a first moving groove, and the second limiting rod is matched with the first moving groove.

5. The dry powder delivery device with replaceable drug tube according to claim 1, characterized in that: A card block is fixedly mounted on the top of the protective shell, and a card slot is provided at the bottom of the fixing seat, and the card block is adapted to the card slot.

6. The dry powder delivery device with replaceable drug tube according to claim 2, characterized in that: The spring is arranged on the outer side of the connecting rod.

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