Probe tube type dosing device for pneumology department
By adopting the design of disc and rotary rod structures in the respiratory tube-type drug delivery device, the problem of difficulty in pulling the piston is solved, and convenient multiple doses and drug stirring are achieved, improving the therapeutic effect.
Patent Information
- Application Number
- CN202421047620.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-07-22
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The existing protrusion-in drug delivery device for respiratory nursing is difficult to pull when the piston is away from the second unidirectional valve, resulting in inconvenience in repeated drug delivery operations and affecting the treatment effect.
A respiratory tube-type drug delivery device is designed, adopting a disc and rotary rod structure in the piston. The disc is rotated by rotating the rotary rod, and the through holes and through grooves is used to realize the sealing of the piston and the switching of the airflow channel, avoiding the resistance when pulling back the drug delivery tube, and combining with the stirring rod structure to prevent drug blockage.
It is achieved to facilitate repeated delivery of drugs, reduce resistance during administration, improve treatment effect, and prevent drug blockage, improving the convenience of use and treatment effect.
Smart Images

Figure CN223127073U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of respiratory medicine, and particularly relates to a probe-type drug delivery device for respiratory medicine. Background Art
[0002] The respiratory system is the general term for the organs that perform gas exchange between the body and the outside world. The main function of the respiratory system is to conduct gas exchange with the outside world, exhale carbon dioxide, inhale fresh oxygen, and complete the gas turnover. The respiratory system includes the respiratory tract and the lungs. During the treatment of respiratory diseases, it is necessary to apply medicine to the patient's throat.
[0003] Chinese Patent with the patent number CN202121994522.X discloses a probe-type drug delivery device for respiratory care, which includes a drug delivery tube, a liquid outlet tube and a medicine adding tube. One end of the drug delivery tube is fixedly connected with the liquid outlet tube. A circular plate-shaped baffle is fixedly sleeved at the end of the drug delivery tube away from the liquid outlet tube. A fixing plate is sleeved on the drug delivery tube. The fixing plate and the baffle are arranged parallel to each other. The drug delivery tube is also fixedly inserted with a medicine adding tube. The medicine adding tube is located between the baffle and the fixing plate. A second one-way valve is fixedly connected to the inner wall of the medicine adding tube. One side of the fixing plate close to the liquid outlet tube is fixedly connected with an installation sleeve for connecting a sleeve. A thread groove is opened on one side of the installation sleeve close to the sleeve. The sleeve is threadedly connected with the installation sleeve. A circular ring-shaped biting piece is fixedly sleeved on the outer side of the end of the sleeve away from the fixing plate. This probe-type drug delivery device for respiratory care has a reasonable design and is easy to operate, and can meet the use requirements of the hospital.
[0004] However, in the implementation of the related technology, it is found that the above-mentioned probe-type drug delivery device for respiratory care has the following problems: through the design of the second one-way valve, although it can prevent the liquid medicine in the drug delivery tube from flowing back into the medicine adding tube, it is easy to have the problem of difficult to pull the push rod when the piston moves away from the second one-way valve, which is not conducive to the subsequent repeated drug delivery operation, so it may affect the treatment effect. In view of this, a probe-type drug delivery device for respiratory medicine is provided to overcome the above defects. Summary of the Utility Model
[0005] The purpose of the utility model is to provide a probe-type drug delivery device for respiratory medicine to solve the problems raised in the above background art.
[0006] To solve the above technical problems, a breathing department probe-type drug delivery device provided by the utility model includes a drug delivery tube, and a drug pushing assembly for facilitating multiple drug deliveries is arranged on the drug delivery tube; the drug pushing assembly includes a piston slidably connected inside the drug delivery tube, a sleeve is installed on the top of the piston, a rotating rod is rotatably connected to the inner wall of the sleeve, a disk rotatably connected to the inner wall of the piston is installed at the bottom end of the rotating rod, two through slots are formed through the top of the disk, and two through slots are formed in both the top and bottom of the piston.
[0007] Further, a sealing ring fitting the inner wall of the drug delivery tube is installed on the outer wall of the piston, and a friction ring fitting the inner wall of the piston is installed on the outer wall of the disk.
[0008] Further, a finger ring is installed on the top of the rotating rod, a silica gel ring is installed on the inner wall of the finger ring, and anti-slip particles are integrally formed on the outer surface of the silica gel ring.
[0009] Further, a medicine inlet tube is installed on the outer wall of the drug delivery tube, a medicine outlet tube is installed at the bottom end of the drug delivery tube, a sealing cover slidably connected to the outer wall of the sleeve is threadedly connected to the top of the drug delivery tube, and a gap exists between the sealing cover and the sleeve.
[0010] Further, a connecting rod rotatably connected to the bottom of the piston is installed at the bottom of the disk, an activity slot is formed in the connecting rod, a rotating shaft is rotatably connected to the inner wall of the activity slot, and a stirring rod adapted to the activity slot is installed on the outer wall of the rotating shaft.
[0011] Further, an arc-shaped elastic splint is clamped on the outer wall of the drug delivery tube, an elastic gasket fitting the outer wall of the drug delivery tube is installed on the inner wall of the arc-shaped elastic splint, and a biting piece and a silica gel pad are installed at the bottom of the arc-shaped elastic splint.
[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0013] 1. In the utility model, rotating the rotating rod makes the disk inside the piston rotate, and through the cooperation with the through holes and through slots, the piston can be sealed during drug delivery and air flow can be allowed to pass through when pulling back the piston, thus avoiding the problem of large resistance during the process of pulling back the drug delivery tube, and facilitating subsequent repeated drug delivery operations, so the treatment effect is improved.
[0014] 2. In the utility model, when the drug delivery tube is inclined, the stirring rod can rotate through the rotating shaft in the activity slot of the connecting rod, so that the top end of the stirring rod is far away from the connecting rod, and the stirring rod is in an inclined state inside the drug delivery tube. At this time, rotating the rotating rod makes the disk drive the stirring rod to rotate through the connecting rod, thus stirring the drug inside the drug delivery tube and avoiding the problem of drug blockage, so it is convenient for actual use. Description of the Drawings
[0015] The accompanying drawings, as part of the present utility model, are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model, but do not constitute an improper limitation of the present utility model. Obviously, the accompanying drawings in the following description are only some embodiments, and for those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts. In the drawings:
[0016] Figure 1 It is a schematic diagram of the overall structure of a respiratory medicine probing tube type drug delivery device of the present utility model;
[0017] Figure 2 It is a schematic sectional view of the drug delivery tube in a respiratory medicine probing tube type drug delivery device of the present utility model;
[0018] Figure 3 It is a schematic sectional view of the piston in a respiratory medicine probing tube type drug delivery device of the present utility model;
[0019] Figure 4 It is a schematic diagram of the bite piece in a respiratory medicine probing tube type drug delivery device of the present utility model;
[0020] Figure 5 It is Figure 3 The enlarged structure diagram of the A position in
[0021] In the figure:
[0022] 1. Drug delivery tube;
[0023] 2. Drug pushing assembly; 201. Piston; 202. Sleeve; 203. Rotating rod; 204. Disc; 205. Through hole; 206. Through groove;
[0024] 3. Sealing ring; 4. Friction ring; 5. Finger ring; 6. Silicone ring; 7. Medicine inlet tube; 8. Medicine outlet tube; 9. Sealing cover; 10. Connecting rod; 11. Activity groove; 12. Rotating shaft; 13. Stirring rod; 14. Arc-shaped elastic splint; 15. Elastic gasket; 16. Bite piece; 17. Silicone pad; 18. Scale mark.
[0025] It should be noted that these accompanying drawings and text descriptions are not intended to limit the scope of the concept of the present utility model in any way, but to explain the concept of the present utility model to those skilled in the art by referring to specific embodiments. Detailed implementation manners
[0026] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.
[0027] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present utility model.
[0028] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.
[0029] In the actual application process of an existing intrusive drug delivery device for respiratory care, through the design of the second one-way valve, although it can prevent the liquid medicine in the drug delivery tube from flowing back into the medicine adding tube, there is a problem that it is difficult to pull the push rod when the piston moves away from the second one-way valve, which is not conducive to subsequent repeated drug delivery operations and may affect the treatment effect.
[0030] Embodiment 1
[0031] As Figures 1 - 5 given, the present utility model provides a probe-type drug delivery device for respiratory medicine.
[0032] Specifically, as Figures 1 - 3 given, it includes a drug delivery tube 1, and a drug pushing assembly 2 for facilitating multiple drug deliveries is arranged on the drug delivery tube 1; the drug pushing assembly 2 includes a piston 201 slidably connected inside the drug delivery tube 1, a sleeve 202 is installed on the top of the piston 201, a rotating rod 203 is rotatably connected to the inner wall of the sleeve 202, a disc 204 rotatably connected to the inner wall of the piston 201 is installed at the bottom end of the rotating rod 203, two through slots 206 are formed through the top of the disc 204, and two through slots 206 are formed at both the top and bottom of the piston 201;
[0033] The outer wall of the piston 201 is provided with a sealing ring 3 which fits with the inner wall of the drug delivery tube 1, and the outer wall of the disc 204 is provided with a friction ring 4 which fits with the inner wall of the piston 201; by providing the sealing ring 3, the sealing between the outer wall of the piston 201 and the drug delivery tube 1 is improved, thereby improving the drug pushing effect; by providing the friction ring 4, the friction between the piston 201 and the disc 204 is increased, ensuring that the disc 204 is not easy to rotate in the piston 201 without human power, which is conducive to repeated drug delivery; a finger ring 5 is provided on the top of the rotating rod 203, and a silicone ring 6 is provided on the inner wall of the finger ring 5, and the outer surface of the silicone ring 6 is integrally formed with anti-skid particles; by providing the finger ring 5, it is convenient to pull the piston 201 through the rotating rod 203, and it is convenient to rotate the disc 204, and by providing the silicone ring 6 with anti-skid particles, not only can the occurrence of slip between the human hand and the finger ring 5 be avoided The rigid contact improves the comfort during use, and at the same time increases the friction between the human hand and the finger ring 5, thereby avoiding the hand slipping phenomenon; the outer wall of the dosing tube 1 is installed with a drug inlet tube 7, the bottom end of the dosing tube 1 is installed with a drug outlet tube 8, the top of the dosing tube 1 is threadedly connected with a sealing cover 9 that is slidably connected to the outer wall of the sleeve 202, and there is a gap between the sealing cover 9 and the sleeve 202; by setting the drug inlet tube 7, it is used to deliver medicine into the dosing tube 1 when the piston 201 is close to the top of the dosing tube 1, and by setting the drug outlet tube 8, it is used to discharge medicine, and by setting the sealing cover 9, it is prevented that the piston 201 accidentally detaches from the dosing tube 1, and at the same time it is convenient to install and disassemble the piston 201, so as to clean the inside of the dosing tube 1, and the gap between the sealing cover 9 and the sleeve 202 is convenient for the air exchange between the inside and outside of the dosing tube 1, so as to facilitate the movement of the piston 201 in the dosing tube 1;
[0034] The relevant staff of the respiratory department can push the medicine in the drug delivery tube 1 inserted into the patient's mouth into the respiratory system of the patient through the drug delivery tube 1 by driving the disc 204 and the piston 201 through the rotating rod 203, and rotate the rotating rod 203 to rotate the disc 204 in the piston 201, and through the cooperation with the through hole 205 and the through groove 206, the piston 201 can be sealed when delivering the medicine, and the air flow can be allowed to pass when the piston 201 is pulled back, thereby avoiding the problem of large resistance in the process of pulling back the drug delivery tube 1, thereby facilitating the subsequent repeated drug delivery operations, thereby improving the treatment effect.
[0035] Embodiment 2
[0036] On the basis of the first embodiment, further, as a specific implementation of the present invention, the present invention provides a respiratory probe-type medication device.
[0037] Specifically, by Figure 2 , Figure 3 and Figure 5As shown, a connecting rod 10 is installed at the bottom of the disc 204 and is rotatably connected to the bottom of the piston 201. An activity groove 11 is provided on the connecting rod 10. A rotating shaft 12 is rotatably connected to the inner wall of the activity groove 11. A stirring rod 13 adapted to the activity groove 11 is installed on the outer wall of the rotating shaft 12;
[0038] The medicine delivery tube 1 is made of a transparent material, and an elastic gasket 15 is integrally formed on its outer wall. By providing the elastic gasket 15, it is convenient to observe the dosage. An arc-shaped elastic splint 14 is clamped on the outer wall of the medicine delivery tube 1. An elastic gasket 15 that fits the outer wall of the medicine delivery tube 1 is installed on the inner wall of the arc-shaped elastic splint 14. A biting piece 16 and a silicone pad 17 are installed at the bottom of the arc-shaped elastic splint 14; the elasticity of the arc-shaped elastic splint 14 is used to conveniently install the biting piece 16 on the medicine delivery tube 1 without affecting the observation of the scale mark 18. The elastic gasket 15 is used to ensure that the biting piece 16 is more stable after being positioned on the medicine delivery tube 1. By providing the silicone pad 17, it is possible to avoid hard contact between the user's teeth and the biting piece 16 and ensure greater comfort during the process of biting the biting piece 16; and there is a gap between the biting piece 16 and the medicine delivery tube 1, thus avoiding the problem that the medicine delivery tube 1 is easily damaged due to excessive biting force. When the medicine delivery tube 1 is tilted, the stirring rod 13 can rotate in the activity groove 11 of the connecting rod 10 through the rotating shaft 12, so that the top of the stirring rod 13 is far from the connecting rod 10 and the stirring rod 13 is in an inclined state inside the medicine delivery tube 1. At this time, rotate the rotating rod 203 to drive the stirring rod 13 to rotate through the connecting rod 10 by the disc 204, thereby stirring the medicine in the medicine delivery tube 1 and avoiding the problem of medicine blockage, so it is convenient for actual use.
[0039] Working principle:
[0040] The relevant staff in the respiratory department can push the medicine in the medicine delivery tube 1 inserted into the patient's oral cavity into the patient's respiratory system by driving the disc 204 and the piston 201 through the rotating rod 203. Rotate the rotating rod 203 to rotate the disc 204 in the piston 201, and through the cooperation with the through hole 205 and the through groove 206, it is possible to seal the piston 201 during medicine delivery and allow air flow when pulling back the piston 201, thereby avoiding the problem of large resistance during the process of pulling back the medicine delivery tube 1, so it is convenient for subsequent repeated medicine delivery operations, thus improving the treatment effect.
[0041] When the medicine delivery tube 1 is tilted, the stirring rod 13 can rotate through the rotating shaft 12 in the movable groove 11 of the connecting rod 10, so that the top end of the stirring rod 13 moves away from the connecting rod 10, and the stirring rod 13 is in an inclined state in the medicine delivery tube 1. At this time, rotate the rotating rod 203 to drive the stirring rod 13 to rotate through the connecting rod 10 by the disc 204, thereby stirring the medicine in the medicine delivery tube 1 and avoiding the problem of medicine blockage. Therefore, it is convenient for actual use. And the connecting rod 10 is perpendicular to the upper part of the medicine outlet tube 8. Therefore, when delivering medicine, both the connecting rod 10 and the stirring rod 13 will be inserted into the medicine outlet tube 8 without affecting normal medicine delivery.
[0042] The above are only the preferred embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention has been disclosed above with the preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art of this patent, without departing from the scope of the technical solution of the present invention, can make some changes or modifications to the above-mentioned technical content as equivalent embodiments of equivalent changes. The implementation schemes in the above embodiments can also be further combined or replaced. However, as long as the content does not depart from the technical solution of the present invention, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still fall within the scope of the present invention.
Claims
1. A tube-type drug delivery device for the respiratory department, comprising a drug delivery tube (1), characterized in that, A medicine pushing assembly (2) for facilitating multiple administrations is provided on the medicine delivery tube (1); The medicine pushing assembly (2) includes a piston (201) slidably connected inside the medicine delivery tube (1). A sleeve (202) is installed on the top of the piston (201). A rotating rod (203) is rotatably connected to the inner wall of the sleeve (202). A disc (204) rotatably connected to the inner wall of the piston (201) is installed at the bottom end of the rotating rod (203). Two through slots (206) are formed through the top of the disc (204). Two through slots (206) are also formed at both the top and bottom of the piston (201).
2. The respiratory department tube-type drug delivery device according to claim 1, wherein: A sealing ring (3) that fits against the inner wall of the medicine delivery tube (1) is installed on the outer wall of the piston (201). A friction ring (4) that fits against the inner wall of the piston (201) is installed on the outer wall of the disc (204).
3. The a respiratory medicine probe-type drug delivery device according to claim 2, characterized in that: A finger ring (5) is installed at the top of the rotating rod (203). A silica gel ring (6) is installed on the inner wall of the finger ring (5). Anti-slip particles are integrally formed on the outer surface of the silica gel ring (6).
4. The respiratory medicine tube-type drug delivery device according to claim 3, characterized in that: An inlet tube (7) is installed on the outer wall of the medicine delivery tube (1). An outlet tube (8) is installed at the bottom end of the medicine delivery tube (1). A sealing cap (9) that is threadedly connected to the top of the medicine delivery tube (1) and slidably connected to the outer wall of the sleeve (202) is provided. There is a gap between the sealing cap (9) and the sleeve (202).
5. The respiratory medicine tube-type drug delivery device according to claim 4, wherein: A connecting rod (10) rotatably connected to the bottom of the piston (201) is installed at the bottom of the disc (204). An activity slot (11) is formed in the connecting rod (10). A rotating shaft (12) rotatably connected to the inner wall of the activity slot (11) is installed. A stirring rod (13) adapted to the activity slot (11) is installed on the outer wall of the rotating shaft (12).
6. The breathing department probe type drug delivery device according to claim 5, characterized in that: An arc-shaped elastic clamping plate (14) is clamped on the outer wall of the medicine delivery tube (1). An elastic gasket (15) that fits against the outer wall of the medicine delivery tube (1) is installed on the inner wall of the arc-shaped elastic clamping plate (14). A biting member (16) and a silica gel pad (17) are installed at the bottom of the arc-shaped elastic clamping plate (14).
Citation Information
Patent Citations
Probing type dosing device for pneumology department nursing
CN215608719U