CN219983697U - Ear-nose-throat depth drug administration device - Google Patents
Ear-nose-throat depth drug administration device Download PDFInfo
- Publication number
- CN219983697U CN219983697U CN202321188485.2U CN202321188485U CN219983697U CN 219983697 U CN219983697 U CN 219983697U CN 202321188485 U CN202321188485 U CN 202321188485U CN 219983697 U CN219983697 U CN 219983697U
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- CN
- China
- Prior art keywords
- storage tube
- piston
- needle head
- lengthened
- needle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000001647 drug administration Methods 0.000 title description 2
- 239000003814 drug Substances 0.000 claims abstract description 47
- 229940079593 drug Drugs 0.000 claims abstract description 22
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 208000027418 Wounds and injury Diseases 0.000 claims abstract description 7
- 208000014674 injury Diseases 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims abstract description 7
- 238000012377 drug delivery Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 210000001331 nose Anatomy 0.000 description 9
- 201000010099 disease Diseases 0.000 description 7
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 7
- 238000007789 sealing Methods 0.000 description 3
- 201000007100 Pharyngitis Diseases 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 210000005069 ears Anatomy 0.000 description 2
- 208000016354 hearing loss disease Diseases 0.000 description 2
- 206010039083 rhinitis Diseases 0.000 description 2
- 208000024891 symptom Diseases 0.000 description 2
- 206010011878 Deafness Diseases 0.000 description 1
- 201000008197 Laryngitis Diseases 0.000 description 1
- 208000000592 Nasal Polyps Diseases 0.000 description 1
- 208000026344 Nasal disease Diseases 0.000 description 1
- 208000030880 Nose disease Diseases 0.000 description 1
- 206010033078 Otitis media Diseases 0.000 description 1
- 208000025690 Otorhinolaryngologic disease Diseases 0.000 description 1
- 206010039085 Rhinitis allergic Diseases 0.000 description 1
- 206010041235 Snoring Diseases 0.000 description 1
- 208000009205 Tinnitus Diseases 0.000 description 1
- 206010045210 Tympanic Membrane Perforation Diseases 0.000 description 1
- 208000016150 acute pharyngitis Diseases 0.000 description 1
- 201000010105 allergic rhinitis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000009151 chronic rhinitis Diseases 0.000 description 1
- 231100000895 deafness Toxicity 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 208000032625 disorder of ear Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 208000016366 nasal cavity polyp Diseases 0.000 description 1
- 201000009240 nasopharyngitis Diseases 0.000 description 1
- 206010033072 otitis externa Diseases 0.000 description 1
- 210000003800 pharynx Anatomy 0.000 description 1
- 208000014515 polyp of vocal cord Diseases 0.000 description 1
- 201000009890 sinusitis Diseases 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
- 206010044008 tonsillitis Diseases 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the technical field of otorhinolaryngology, in particular to an otorhinolaryngology depth drug delivery device which comprises a shell, an anti-injury protective sleeve and a combined piston, wherein an lengthened needle head used for extending into the depth of the otorhinolaryngology is arranged in the shell, the lower end of the lengthened needle head is communicated and provided with a drug storage tube used for storing liquid drugs, the anti-injury protective sleeve is arranged at the top end of the lengthened needle head and used for preventing the top end of the lengthened needle head from directly contacting and damaging skin, the combined piston is arranged in the drug storage tube, and a power source used for pushing the combined piston is arranged on the combined piston; the utility model can drive the combined piston to reciprocate along the inner wall of the medicine storage tube by the miniature telescopic rod, changes the pressure increase or decrease of the inner side of the rubber sleeve, is used for sucking and discharging liquid medicine, and has longer length of the lengthened needle head, thus being basically capable of being inserted into most of the depth of the human body in the ear, nose and throat for accurate medicine administration and smearing.
Description
Technical Field
The utility model relates to the technical field of otorhinolaryngology, in particular to an otorhinolaryngologic deep drug delivery device.
Background
The classification of diseases in the otorhinolaryngology family is mainly based on the diseases that often occur in the ear, nose and throat. The common otorhinolaryngologic diseases are mainly: ear diseases: otitis media, tinnitus, otitis externa, deafness, tympanic membrane perforation, tympanic membrane repair, and hearing impairment; nose disease: acute rhinitis, chronic rhinitis, sinusitis, nasal polyp, allergic rhinitis, and nasal reshaping; throat disease: laryngitis, chronic pharyngitis, tonsillitis, snoring, polyp of the vocal cords and acute pharyngitis are more common diseases in the classification of diseases of otorhinolaryngology.
For diseases of otorhinolaryngology, external application is often used for external application treatment at the positions of the ears, the nose and the throat diseases, but the external application treatment is difficult to be applied at the positions deep in the otorhinolaryngology, and a device for accurately administering medicine for the positions deep in the otorhinolaryngology is not yet available in the market. In view of this, we propose an otorhinolaryngologic deep applicator.
Disclosure of Invention
In order to overcome the defects, the utility model provides an ear-nose-throat depth drug delivery device.
The technical scheme of the utility model is as follows:
an otorhinolaryngologic deep applicator comprising:
the shell is internally provided with an lengthened needle head which is used for extending into the depth of the ear, nose and throat, and the lower end of the lengthened needle head is communicated with a medicine storage tube which is used for storing liquid medicine;
the injury-preventing protective sleeve is arranged at the top end of the lengthened needle head and is used for preventing the top end of the lengthened needle head from directly contacting and damaging skin;
the combined piston is arranged in the drug storage tube, and a power source for pushing the combined piston is arranged on the combined piston.
Preferably, a cylindrical handle is connected below the drug storage tube.
Preferably, a cavity communicated with the drug storage tube is formed in the handle, and the power source is arranged in the cavity.
Preferably, the combined piston is composed of a storage tube piston and a needle head inner piston.
Preferably, the storage tube piston is connected with the piston in the needle head, the storage tube piston is arranged in the medicine storage tube, and the piston in the needle head corresponds to the inner cavity of the lengthened needle head.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model can drive the combined piston to reciprocate along the inner wall of the medicine storage tube by the miniature telescopic rod, change the pressure increase or decrease at the inner side of the rubber sleeve, be used for sucking and discharging liquid medicine, ensure that the length of the lengthened needle is longer, basically can be inserted into the depths of ears, noses and throats of most human bodies, prevent the lengthened needle from directly touching and stabbing skin, ensure that the rubber sleeve has good sealing performance, ensure that the cross seams of the rubber sleeve are contacted with each other under normal unstressed state, and prevent the liquid medicine from flowing out from the cross seams.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a partial cutaway view of the present utility model;
FIG. 3 is a partial cutaway view of the housing of the present utility model;
FIG. 4 is an exploded cutaway connection view of the elongate needle and atraumatic shield of the present utility model;
fig. 5 is a schematic diagram of the connection structure of the combined piston and the miniature telescopic rod.
In the figure:
1. a housing; 11. lengthening the needle; 12. a drug storage tube; 13. a handle; 14. a cavity; 15. perforating;
2. an anti-injury protective sleeve; 21. a rubber sleeve; 22. a cross joint; 23. an arc-shaped block; 24. a limiting block;
3. a combination piston; 31. a storage tube piston; 32. a piston in the needle;
4. miniature telescopic rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1-5, the present utility model is described in detail by the following embodiments:
the utility model provides an ear-nose-throat degree of depth ware of dosing, which comprises a housing 1, shell 1 comprises extension syringe needle 11, medicine storage tube 12, handle 13, extension syringe needle 11 is used for stretching into the depths of ear-nose-throat, be equipped with four perforation 15 that encircle evenly distributed on the top of extension syringe needle 11, the lower extreme and the fixed intercommunication of medicine storage tube 12 of extension syringe needle 11 are connected, medicine storage tube 12 is used for storing liquid medicine, the below and the handle 13 fixed connection of medicine storage tube 12, handle 13 is cylindrically, and be equipped with anti-skidding line on the surface, be used for stable holding handle 13, move from more stable operation extension syringe needle 11, be equipped with the cavity 14 of mutual intercommunication with medicine storage tube 12 in the handle 13, the length of extension syringe needle 11 is about 10 centimetres, the ear-nose-throat depths of most human bodies are basically inserted.
In this embodiment, the protection sleeve 2 is fixedly installed on the top end of the lengthened needle 11, and is used for preventing the lengthened needle 11 from directly contacting and damaging the skin, the protection sleeve 2 is formed by a rubber sleeve 21, the rubber sleeve 21 is sleeved on the top end of the lengthened needle 11, four evenly distributed arc blocks 23 are fixedly connected on the inner side below the rubber sleeve 21, the arc blocks 23 and the through holes 15 correspond to each other, the arc blocks 23 penetrate through the through holes 15, the limiting blocks 24 are fixedly installed at the tail ends of the arc blocks 23, the size of the limiting blocks 24 is larger than that of the through holes 15, the limiting blocks 24 are used for preventing the limiting blocks 24 from separating from the through holes 15, cross joints 22 are formed in the top surface of the rubber sleeve 21, the rubber sleeve 21 has good sealing performance, and in a normal unstressed state, the cross joints 22 of the rubber sleeve 21 are mutually contacted and are used for preventing liquid medicine from flowing out, but when the storage tube piston 31 approaches to or moves away from the direction of the lengthened needle 11, the inner side of the rubber sleeve 21 can be increased or reduced, so that the positions of the cross joints 22 of the rubber sleeve 21 can deform through gas and liquid.
In this embodiment, the combined piston 3 is vertically slidably mounted in the up-down direction in the drug storage tube 12, the power source is vertically and fixedly mounted in the cavity 14, the power source is formed by the miniature telescopic rod 4 and is used for pushing the combined piston 3 to move up and down, the combined piston 3 is formed by the storage tube piston 31 and the needle inner piston 32, the storage tube piston 31 and the needle inner piston 32 are fixedly connected with each other, the storage tube piston 31 is slidably mounted in the drug storage tube 12, the needle inner piston 32 corresponds to the inner cavity of the lengthened needle 11, when the storage tube piston 31 moves to the upper end, the needle inner piston 32 slides into the lengthened needle 11, the outer diameter of the needle inner piston 32 is smaller than the inner diameter of the lengthened needle 11, so that after the needle inner piston 32 slides into the lengthened needle 11, the liquid of the storage tube piston 31 can still enter the lengthened needle 11, the needle inner piston 32 is used for reducing the inner cavity space of the lengthened needle 11, the residual liquid drug is reduced, and the extending end of the miniature telescopic rod 4 is fixedly connected with the lower end of the storage tube piston 31.
It should be noted that, the miniature telescopic rod 4 is a miniature electric putter with model ST-801, and the end fixedly connected with power cord of miniature telescopic rod 4, the end fixedly connected with battery of power cord for provide electric energy for miniature telescopic rod 4, make miniature telescopic rod 4 stretch out the end and can do linear type reciprocating motion.
In this embodiment, when the drug is precisely administered in the depth of the ear, nose and throat, the combined piston 3 is pushed to the uppermost position along the drug storage tube 12 by the micro telescopic rod 4, the piston 32 in the needle is positioned in the lengthened needle 11, then the lengthened needle 11 is inserted downwards into the liquid drug, then the combined piston 3 is gradually moved along the inner wall of the drug storage tube 12 towards the handle 13 by the micro telescopic rod 4 again, along with the movement of the combined piston 3, negative pressure is generated in the inner cavity of the lengthened needle 11 at this time, the liquid drug is sucked into the inner cavity of the lengthened needle 11 and gradually enters the drug storage tube 12, when the used liquid drug is extracted or the combined piston 3 moves to the maximum distance, the micro telescopic rod 4 stops driving the combined piston 3 to move, and the lengthened needle 11 is vertically upwards, the liquid drug in the inner cavities of the lengthened needle 11 and the drug storage tube 12 is relatively heavy and moves downwards, the air moves upwards, then the combined piston 3 gradually moves upwards along the medicine storage tube 12 through the micro telescopic rod 4 until the liquid medicine is exposed out of the cross joint 22 on the top surface of the rubber sleeve 21, the micro telescopic rod 4 is stopped, the rubber sleeve 21 has good sealing performance, the cross joint 22 of the rubber sleeve 21 is contacted with each other in normal unstressed state for preventing the liquid medicine from flowing out, but when the storage tube piston 31 approaches or moves away from the lengthened needle 11, the pressure intensity on the inner side of the rubber sleeve 21 is increased or reduced, so that the position of the cross joint 22 of the rubber sleeve 21 is deformed, the lengthened needle 11 can be inserted into the position of the symptoms of the depth of the ear, nose and throat through gas and liquid, then the handle 13 is held by hand to cooperate with an endoscope, the length of the lengthened needle 11 is longer, and the lengthened needle can be basically inserted into the depth of the ear, nose and throat of most human bodies, the anti-injury protective sleeve 2 at the tail end of the lengthened needle 11 can prevent the lengthened needle 11 from directly touching the stabbed skin, then the miniature telescopic rod 4 drives the storage tube piston 31 and the needle inner piston 32 to gradually and slowly move towards one side of the anti-injury protective sleeve 2, the moving storage tube piston 31 and the moving needle inner piston 32 can increase the pressure intensity of the inner side of the rubber sleeve 21, so that liquid medicine can be smeared on the symptoms of the depth of the ear, nose and throat through the cross joint 22 until the storage tube piston 31 touches one side of the lengthened needle 11, the needle inner piston 32 is used for reducing the inner cavity space of the lengthened needle 11, the residual of the liquid medicine in the inner cavity of the lengthened needle 11 is reduced, and finally the lengthened needle 11 is taken out from the depth of the ear, nose and throat.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (5)
1. An otorhinolaryngologic deep applicator comprising:
the medical device comprises a shell (1), wherein an elongated needle (11) which is used for extending into the depth of the ear, nose and throat is arranged in the shell (1), and a medicine storage tube (12) which is used for storing liquid medicine is arranged at the lower end of the elongated needle (11) in a communicating manner;
the anti-injury protective sleeve (2) is arranged at the top end of the lengthened needle head (11) and is used for preventing the top end of the lengthened needle head (11) from directly contacting and damaging skin;
the combined piston (3) is arranged in the drug storage tube (12), and a power source for pushing the combined piston (3) is arranged on the combined piston (3).
2. The otorhinolaryngological deep applicator of claim 1 wherein: a cylindrical handle (13) is connected below the drug storage tube (12).
3. The otorhinolaryngological deep applicator of claim 2 wherein: the handle (13) is internally provided with a cavity (14) which is mutually communicated with the drug storage tube (12), and the power source is arranged in the cavity (14).
4. The otorhinolaryngological deep applicator of claim 1 wherein: the combined piston (3) is composed of a storage tube piston (31) and a needle head inner piston (32).
5. The otorhinolaryngological deep applicator of claim 4 wherein: the storage tube piston (31) is connected with the needle head inner piston (32), the storage tube piston (31) is arranged in the medicine storage tube (12), and the needle head inner piston (32) corresponds to the inner cavity of the lengthened needle head (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188485.2U CN219983697U (en) | 2023-05-16 | 2023-05-16 | Ear-nose-throat depth drug administration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321188485.2U CN219983697U (en) | 2023-05-16 | 2023-05-16 | Ear-nose-throat depth drug administration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219983697U true CN219983697U (en) | 2023-11-10 |
Family
ID=88618772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321188485.2U Active CN219983697U (en) | 2023-05-16 | 2023-05-16 | Ear-nose-throat depth drug administration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219983697U (en) |
-
2023
- 2023-05-16 CN CN202321188485.2U patent/CN219983697U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |