CN111232417A - Liquid medicine microdroplet medicine feeder and eye drop bottle - Google Patents

Liquid medicine microdroplet medicine feeder and eye drop bottle Download PDF

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Publication number
CN111232417A
CN111232417A CN202010176434.2A CN202010176434A CN111232417A CN 111232417 A CN111232417 A CN 111232417A CN 202010176434 A CN202010176434 A CN 202010176434A CN 111232417 A CN111232417 A CN 111232417A
Authority
CN
China
Prior art keywords
droplet
rod
liquid
liquid medicine
bottle
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.)
Pending
Application number
CN202010176434.2A
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Chinese (zh)
Inventor
陈宣廷
陈怡晓
王素菊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yuhuan Paisheng Technology Co Ltd
Original Assignee
Yuhuan Paisheng Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yuhuan Paisheng Technology Co Ltd filed Critical Yuhuan Paisheng Technology Co Ltd
Priority to CN202010176434.2A priority Critical patent/CN111232417A/en
Publication of CN111232417A publication Critical patent/CN111232417A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/20—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge
    • B65D47/2018—Closures with discharging devices other than pumps comprising hand-operated members for controlling discharge comprising a valve or like element which is opened or closed by deformation of the container or closure
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05—Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
    • A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14—Details; Accessories therefor
    • A61J1/1412—Containers with closing means, e.g. caps
    • A61J1/1418—Threaded type
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/62—Secondary protective cap-like outer covers for closure members
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D53/00—Sealing or packing elements; Sealings formed by liquid or plastics material
    • B65D53/02—Collars or rings

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • Veterinary Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Hematology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Closures For Containers (AREA)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The application relates to the technical field of medicine packaging, and particularly provides a liquid medicine microdroplet dosing device and an eye drop bottle. The eyedrop bottle is provided with a bottle body, an inner plug and a cover, wherein the inner plug is arranged in a bottle opening of the bottle body, the cover is covered on the bottle opening of the bottle body, the inner plug is provided with a dropping liquid port, a microdrop rod and a return spring, the inner plug is provided with an inner outlet for guiding out liquid medicine in the bottle body, the inner plug is also provided with a microdrop rod cavity which can be assembled with the microdrop rod, the microdrop rod is provided with a liquid inlet hole which is matched and aligned with the inner outlet, and the microdrop rod is provided with a liquid outlet hole which is matched and aligned with the dropping liquid port; a liquid medicine staying cavity is arranged between the liquid inlet hole and the liquid outlet hole of the micro-droplet rod, and the micro-droplet rod is provided with a liquid medicine staying cavity which flows out of the liquid medicine through the liquid outlet hole and the liquid dropping port. The application provides a liquid medicine droplet ware of dosing and eye drop bottle has realized pressing the technical effect that the cap just accomplished the dropping medicine once just once of droplet pole, has created a controllable liquid medicine droplet ware of dosing and eye drop bottle.

Description

Liquid medicine microdroplet medicine feeder and eye drop bottle
Technical Field
The application relates to the technical field of medicine packaging, and particularly provides a liquid medicine microdroplet dosing device and an eye drop bottle.
Background
In the application of medicine liquid to ear canal and nasal cavity, especially to eye disease, the dropping type medicine liquid drop administration device is commonly used, because the eye medicine liquid bottle can not be properly pressed, the medicine liquid can be often extruded in a plurality of continuous drops, the dosage of the medicine liquid for human eyes is about 40 microliter, the medicine liquid is discharged from the eye medicine liquid bottle between one drop and two drops, the eyes can not receive excessive medicine liquid, the eye medicine liquid bottle which can not be properly administered and pressed by hands has the defect of out-of-control administration, the satisfactory administration effect of dropping one drop of medicine liquid can not be achieved, and the medicine liquid is excessively used for the eyes and the loss of the medicine liquid can be caused.
Notice No. is CN 108685636A's national patent, discloses a but medical treatment is with eyedrop bottle of quantitative spot size, including the eyedrop bottle body, the top central point department integral type of putting of eyedrop bottle body is moulded plastics has the connector, the outside spiral cover of connector has connect sealed lid, and infusion mouth has been seted up at the top of connector, annular gasbag has been cup jointed on the outside casing of eyedrop bottle body, annular set frame has been cup jointed in the outside of connector, and wherein, annular gasbag is through connecting inside intercommunication of trachea and annular set frame, the top of infusion mouth has cup jointed the quantitative titration head. According to the invention, by arranging the quantitative titration head, the liquid medicine in the eye medicine bottle body can be firstly injected into the quantitative titration head, and then the liquid medicine in the quantitative titration head is dripped into eyes. However, the eyedrop bottle according to this embodiment has a complicated structure, and the annular air bag makes the entire eyedrop bottle complicated, and particularly when the air volume of the annular air bag is insufficient and the liquid medicine in the eyedrop bottle is scarcely left, the eyedrop bottle according to this embodiment may not achieve a constant dose.
Disclosure of Invention
The application aims at the defect that the eye drop bottle cannot be used for quantitative dropping medicine administration so as to solve the problem that the eye drop bottle cannot well control the dosage of the dropping medicine.
The utility model provides a liquid medicine droplet ware of dosing and eye drop bottle has bottle, interior stopper and lid, and the bottle has the bottleneck, interior stopper install in the bottleneck of bottle, the lid on the bottle bottleneck, interior stopper have the drip mouth, its characterized in that, this application still have droplet pole and return spring, droplet pole installation set up inside interior stopper, interior stopper have the interior export of deriving the inside liquid medicine of bottle, interior stopper still have the droplet pole chamber that can assemble above-mentioned droplet pole, droplet pole on have with interior export match the feed liquor hole to mouthful, droplet pole on have with drip mouth match the play liquid hole to mouthful; the liquid medicine stay cavity is arranged between the liquid inlet hole and the liquid outlet hole of the micro-droplet rod, the inner outlet is communicated with the liquid dropping port through the liquid medicine stay cavity, the micro-droplet rod is provided with a liquid medicine stay cavity which enters the liquid medicine and is stored through the inner outlet and the liquid inlet hole, and the micro-droplet rod is provided with a liquid medicine stay cavity which flows out of the liquid medicine through the liquid outlet hole and the liquid dropping port.
The inner plug is assembled in the bottle mouth of the bottle body, and like the existing common eyedrop bottle, the inner plug is assembled in the bottle mouth in a tight fit mode, so that the aim of convenience in installation and difficulty in liquid dropping is fulfilled, and further, the bottle mouth is provided with outer threads and grooves on the bottle mouth; the inner plug is provided with outer threads of the inner plug, an abutting part and a convex block. The external screw teeth on the bottle mouth are matched with the external screw teeth on the internal plug, namely, after the internal plug is assembled in the bottle mouth of the bottle body, the external screw teeth on the bottle mouth of the bottle mouth and the external screw teeth on the internal plug of the internal plug form a complete external screw tooth function. The groove of the bottle mouth is matched with the lug of the inner plug, after the outer thread of the bottle mouth and the outer thread of the inner plug meet the requirement of screwing the cover with the inner thread together, the groove of the bottle mouth is matched with the lug of the inner plug to play a role in preventing the outer thread of the bottle mouth and the outer thread of the inner plug.
The stopper has the portion of supporting to leaning on in the aforesaid, lid screw in bottleneck support and lean on in the portion of supporting to what the stopper had, stopper and bottleneck in having connected with threaded connection's mode through above-mentioned lid for stopper and bottleneck are sealed more under the threaded connection of lid in, thereby have improved the liquid medicine droplet of this application and have given medicine ware and eye drop bottle leakproofness, have guaranteed the security of liquid medicine.
The bottle body is provided with a through hole which can pass through the microdroplet rod, and the microdroplet rod is movably fixed with the through hole and passes through the through hole.
The shape of the micro-droplet rod is matched with the inner shape of a micro-droplet rod cavity, the micro-droplet rod is assembled in the micro-droplet rod cavity of the inner plug, a first sealing ring and a second sealing ring are arranged between the micro-droplet rod and the micro-droplet rod cavity, the liquid inlet hole and the liquid outlet hole are arranged between the first sealing ring and the second sealing ring, the inner outlet and the liquid dropping hole of the inner plug are located between the first sealing ring and the second sealing ring, and the liquid medicine staying cavity is located between the first sealing ring and the second sealing ring. After the liquid medicine from interior export through the feed liquor hole, the liquid medicine stops in the liquid medicine stays the chamber, the liquid medicine stay the chamber and have the liquid medicine of specific dosage, the liquid medicine microdroplet ware of this application just stores in advance in the liquid medicine stays the chamber before dropping the medicine this moment, the liquid medicine stays the chamber and according to the certain volume of the demand customization of dosing, before not having above-mentioned pressure cap and being promoted, the liquid medicine that the microdroplet stayed the chamber and has been stored the liquid medicine all the time.
The micro-droplet rod is provided with a pressing cap, the pressing cap is fixedly connected with the micro-droplet rod, the micro-droplet rod is further provided with a return spring, the return spring is arranged between the pressing cap and the bottle body, the return spring is used for enabling liquid medicine in a liquid medicine staying cavity of the micro-droplet rod to drip out of a liquid medicine dropping opening through pressing of the pressing cap, and the liquid medicine reaches an affected part; when the pressing cap is loosened, the micro-droplet rod rebounds to the original position under the action of the elastic force of the return spring, the liquid medicine staying cavity in the micro-droplet rod starts to receive liquid medicine flowing downwards from the inner outlet through the liquid inlet hole to prepare for next medicine administration, the technical effect of once medicine administration by pressing the micro-droplet rod once every time is achieved, and the liquid medicine micro-droplet administration device is installed in the bottleneck of the bottle body.
The utility model discloses a pressure cap, including the pressure cap, the pressure cap is provided with the microdroplet pole, the microdroplet pole be cylindrical, the microdroplet pole be close to pressure cap one side and be provided with thinner portion, microdroplet pole intracavity portion be provided with less portion, the thinner portion of above-mentioned microdroplet pole passes the less portion of microdroplet pole intracavity portion for the microdroplet pole has unilateral the support in microdroplet pole intracavity portion to lean. This application still has stifled cap, and above-mentioned stifled cap setting has played the effect of connecting and fixed interior stopper and bottle on through-hole and microdroplet pole chamber, stifled cap, also plays to the dustproof effect of microdroplet pole chamber and microdroplet pole.
The application provides a liquid medicine droplet dosing device and eye drop bottle's beneficial effect is: by using the liquid medicine staying cavity of the micro-droplet rod, the inner outlet and the dropping liquid port of the micro-droplet rod, and the liquid inlet hole and the liquid outlet hole of the inner plug are skillfully used, and the medicine amount is stored before the micro-droplet rod is administrated; when in administration, one drop of liquid medicine is dripped only by pressing the pressing cap of the micro-drop rod, thereby realizing that the micro-drop administration device can effectively master the number of drops of the liquid medicine when the liquid medicine is administered, realizing that the eye drop bottle can effectively master the number of drops of the liquid medicine when in administration, realizing the technical effect that one-time medicine dripping is completed by pressing the pressing cap of the micro-drop rod every time, and creating a controllable liquid medicine micro-drop administration device and the eye drop bottle.
Drawings
FIG. 1 is a schematic view of a medical fluid droplet applicator and vial according to the present application;
FIG. 2 is a schematic view of a medical fluid inlet wand of a medical fluid droplet applicator according to the present application;
FIG. 3 is a schematic view of a medical fluid drip wand of a medical fluid drip applicator according to the present application;
FIG. 4 is a schematic view of a vial configuration for a medical fluid droplet delivery device of the present application;
FIG. 5 is a schematic view of a plug construction for a medical fluid droplet delivery apparatus according to the present application;
FIG. 6 is a schematic view of a droplet stem configuration of a medical fluid droplet delivery device of the present application;
fig. 7 is an enlarged view of the present application at a in fig. 2.
The labels in the figure are: 1. a bottle body; 11. a bottle mouth; 12. a through hole; 13. a groove; 14. external threads on the bottle mouth; 2. an inner plug; 21. an inner outlet; 22. a drip port; 23. a droplet rod chamber; 24. the inner plug and the outer thread are inserted; 25. a bump; 26. a smaller portion; 27. an abutting portion; 3. a cover; 4. a droplet rod; 41. a liquid inlet hole; 42. a liquid outlet hole; 43. a liquid medicine staying cavity; 44. pressing the cap; 5. a return spring; 6. a plugging cap; 71. a first sealing ring; 72. and a second sealing ring.
Detailed Description
Preferred embodiments of the present application will be described in detail below with reference to the accompanying drawings so that the advantages and features of the application can be more readily understood by those skilled in the art, and thus the scope of the application will be more clearly and clearly defined.
In the attached drawings, the liquid medicine droplet administration device and the eye drop bottle of the application comprise a bottle body 1, an inner plug 2 and a cover 3, wherein a bottle opening 11 is arranged on the bottle body 1, the inner plug 2 is arranged in the bottle opening 11 of the bottle body 1, the cover 3 covers the bottle body 1, the inner plug 2 is provided with a liquid dropping port 22, the eye drop administration device is characterized by further comprising a droplet rod 4 and a return spring 5, the droplet rod 4 is arranged inside the inner plug 2, the inner plug 2 is provided with an inner outlet 21 for leading out liquid medicine inside the bottle body 1, the inner plug 2 is provided with a droplet rod cavity 23 capable of being assembled with the droplet rod 4, the droplet rod 4 is provided with a liquid inlet hole 41 matched and aligned with the inner outlet 21, and the droplet rod 4 is provided with a liquid outlet hole 42 matched and aligned with the liquid dropping port 22; a liquid medicine staying cavity 43 is arranged between the liquid inlet hole 41 and the liquid outlet hole 42 of the droplet rod 4, the inner outlet 21 is communicated with the liquid dripping port 22 through the liquid medicine staying cavity 43, the droplet rod 4 is provided with the liquid medicine staying cavity 43 which enters and stores liquid medicine through the inner outlet 21 and the liquid inlet hole 41, and the droplet rod 4 is provided with the liquid medicine staying cavity 43 which flows out of the liquid medicine through the liquid outlet hole 42 and the liquid dripping port 22.
The inner plug 2 is assembled in the bottle opening 11 of the bottle body 1, and like the existing common eyedrop bottle, the inner plug 2 is assembled in the bottle opening 11 in a close fit manner, so that the purposes of convenience in installation and difficulty in liquid dropping are achieved, and further, the bottle opening 11 is also provided with outer threads 14 and a groove 13 on the bottle opening; and the inner plug 2 is provided with inner plug external threads 24, an abutting part 27 and a lug 25. The outer thread 14 of the bottle mouth is matched with the outer thread 24 of the inner plug, namely, after the inner plug 2 is assembled in the bottle mouth 11 of the bottle body 1, the outer thread 14 of the bottle mouth 11 and the outer thread 24 of the inner plug 2 form a complete outer thread function, meanwhile, the groove 13 of the bottle mouth 11 is matched with the lug 25 of the inner plug 2, after the outer thread 14 of the bottle mouth 11 and the outer thread 24 of the inner plug 2 jointly meet the screwing-in of the cap 3 with the inner thread, the groove 13 of the bottle mouth 11 is matched with the lug 25 of the inner plug 2 to play a role of fixing the outer thread 14 of the bottle mouth and the outer thread 24 of the inner plug, so that the inner plug 2 is assembled on the bottle mouth 11 to achieve the effect of being not easy. The inner plug 2 is provided with a supporting part 27, the cover 3 is supported against the supporting part 27 of the inner plug 2 after being screwed into the bottle mouth 11, the cover 3 is provided with inner threads, the cover 3 covers the outer threads 14 and 24 of the bottle mouth, and the inner plug 2 and the bottle mouth 11 are connected in a threaded connection mode through the cover 3, so that the inner plug 2 and the bottle mouth 11 are more sealed under the threaded connection of the cover 3, the tightness of the liquid medicine droplet administration device and the liquid medicine bottle is further improved, and the safety of liquid medicine is guaranteed.
The utility model provides a liquid medicine droplet administers ware and eye drop bottle still be provided with the through-hole 12 that can pass droplet pole 4 on 1 bottleneck 11 of bottle, droplet pole 4 activity fix at through-hole 12 and run through-hole 12, liquid medicine droplet administers the ware and installs in bottleneck (11) of bottle (1).
The shape of the droplet rod 4 is matched with the inner shape of the droplet rod cavity 23, the droplet rod 4 is assembled in the droplet rod cavity 23 of the inner plug 2, a first sealing ring 71 and a second sealing ring 72 are arranged between the droplet rod 4 and the droplet rod cavity 23, a liquid inlet hole 41 and a liquid outlet hole 42 are arranged between the first sealing ring 71 and the second sealing ring 72, the inner outlet 21 and the liquid dropping port 22 of the inner plug 2 are positioned between the first sealing ring 71 and the second sealing ring 72, and the liquid medicine staying cavity 43 is positioned between the first sealing ring 71 and the second sealing ring 72. When the liquid medicine in the bottle body 1 passes through the liquid inlet hole 41 from the inner outlet 21, the liquid medicine stays in the liquid medicine staying cavity 43, the liquid medicine staying cavity 43 has liquid medicine with specific dosage, at the moment, the liquid medicine microdroplet applicator of the present application is pre-stored in the liquid medicine staying cavity 43 before dropping the liquid medicine, the liquid medicine staying cavity 43 is specially manufactured with certain capacity according to the dosage demand, and the liquid medicine stays in the liquid medicine staying cavity 43 of the microdroplet rod 4 and is always stored as an original position before the pushing cap 44 is not arranged.
The droplet rod 4 is provided with a pressing cap 44, the pressing cap 44 is fixedly connected with the droplet rod 4, the application also comprises a return spring 5, the return spring 5 is arranged between the pressing cap 44 and the bottle body 1, and the return spring 5 is used for pressing the pressing cap 44 to ensure that the liquid medicine in the liquid medicine staying cavity 43 in the droplet rod 4 drips out of the liquid medicine dripping port 22 through the liquid outlet hole 42 and reaches the affected part; meanwhile, with the pressing of the droplet rod 4, the inner outlet 21 of the inner plug 2 is staggered with the liquid inlet hole 41 on the droplet rod 4, the liquid medicine cannot enter the liquid medicine staying cavity 43 from the liquid inlet hole 41, and after the pressing cap 44 is released, the droplet rod 4 rebounds to the original position under the elastic force of the return spring 5. After the medicine dripping is finished, the medicine liquid staying cavity 43 in the micro-droplet rod 4 starts to receive the medicine liquid flowing down from the inner outlet 21 through the liquid inlet hole 41 to prepare for the next medicine administration, and the technical effect that the medicine dripping is finished once when the cap 44 of the micro-droplet rod 4 is pressed once is realized.
The droplet rod 4 is cylindrical, a thinner part 45 is arranged on one side of the droplet rod 4 close to the pressing cap 44, a smaller part 26 is arranged inside the droplet rod cavity 23, and the thinner part 45 of the droplet rod 4 penetrates through the smaller part 26 inside the droplet rod cavity 23, so that the droplet rod 4 is in unilateral abutment inside the droplet rod cavity 23. This application still has stifled cap 6, and above-mentioned stifled cap 6 is fixed to be set up on through-hole 12 and microdroplet chamber 23, and stifled cap 6 has played the effect of connecting and fixed interior stopper 2 and bottle 1, also plays dustproof effect to microdroplet chamber 23 and microdroplet 4. The blocking cap 6 and the droplet rod 4 are provided with a space for pushing the droplet rod 4, so that the technology of the application is ensured to be implemented.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications of equivalent structures and equivalent processes, which are made by the contents of the specification and the drawings of the present application, or which are directly or indirectly applied to other related technical fields, are also included in the scope of the present application.

Claims (10)

1. A liquid medicine droplet administration device comprises a bottle body (1), an inner plug (2) and a cover (3), wherein a bottle mouth (11) is arranged on the bottle body (1), the inner plug (2) is arranged in the bottle mouth (11) of the bottle body (1), the cover (3) covers the bottle body (1), the inner plug (2) is provided with a liquid dripping port (22), the liquid medicine droplet administration device is characterized in that the liquid medicine droplet administration device also comprises a droplet rod (4) and a return spring (5), the droplet rod (4) is arranged inside the inner plug (2), the inner plug (2) is provided with an inner outlet (21) for guiding out liquid medicine inside the bottle body (1), the inner plug (2) is provided with a droplet rod cavity (23) capable of being assembled with the droplet rod (4), the droplet rod (4) is provided with a liquid inlet hole (41) matched and aligned with the inner outlet (21), the droplet rod (4) is provided with a liquid outlet hole (42) matched and aligned with the liquid dripping port (22), liquid medicine stay chamber (43) are provided with between feed liquor hole (41) and the play liquid hole (42) of droplet pole (4), interior export (21) and foretell drip mouth (22) stay chamber (43) intercommunication through the liquid medicine, droplet pole (4) have the liquid medicine that gets into the liquid medicine and save via interior export (21) and feed liquor hole (41) stay chamber (43), droplet pole (4) have liquid medicine stay chamber (43) through going out liquid hole (42) and drip mouth (22) outflow liquid medicine.
2. A medical solution droplet applicator as claimed in claim 1 wherein said mouth (11) is further provided with external bottle-mouth threads (14) and grooves (13), said internal plug (2) is provided with external bottle-mouth threads (24), abutment portions (27) and projections (25), said external bottle-mouth threads (14) and said external bottle-plug threads (24) are mated, and said grooves (13) of said mouth (11) and said projections (25) of said internal plug (2) are mated.
3. A medical liquid droplet delivery device as claimed in claim 1, wherein said cap (3) is screwed into the mouth (11) and abuts against an abutment (27) provided on the internal stopper (2), said cap (3) having internal screw threads, said cap (3) covering the external screw threads (14) and the external screw threads (24) of the mouth, said cap (3) threadedly connecting the internal stopper (2) and the mouth (11).
4. A liquid medicine droplet administration device according to claim 1, wherein the bottle mouth (11) of the bottle body (1) is further provided with a through hole (12) which can pass through the droplet rod (4), and the droplet rod (4) is movably fixed on the through hole (12) and passes through the through hole (12).
5. A medical solution droplet delivery device according to claim 1, wherein the droplet rod (4) has a profile matching the internal profile of the droplet rod chamber (23), the droplet rod (4) being arranged within the droplet rod chamber (23) of the inner plug (2).
6. A medical solution droplet delivery device according to claim 1, wherein a first sealing ring (71) and a second sealing ring (72) are arranged between the droplet rod (4) and the droplet rod cavity (23), a liquid inlet hole (41) and a liquid outlet hole (42) are arranged between the first sealing ring (71) and the second sealing ring (72), the inner outlet (21) and the liquid drop port (22) of the inner plug (2) are arranged between the first sealing ring (71) and the second sealing ring (72), and the medical solution staying cavity (43) is arranged between the first sealing ring (71) and the second sealing ring (72).
7. A medical solution droplet delivery device according to claim 1, wherein the droplet rod (4) is provided with a pressure cap (44), the pressure cap (44) and the droplet rod (4) are fixedly connected, and a return spring (5) is arranged between the pressure cap (44) and the bottle body (1).
8. A medical solution droplet delivery device according to claim 1, wherein the droplet rod (4) is cylindrical, a thinner portion (45) is provided on a side of the droplet rod (4) adjacent the pressure cap (44), a smaller portion (26) is provided inside the droplet rod chamber (23), and the thinner portion (45) of the droplet rod (4) passes through the smaller portion (26) inside the droplet rod chamber (23).
9. A medical liquid droplet delivery device according to claim 1, further comprising a blocking cap (6), said blocking cap (6) being fixedly arranged on the through hole (12) and the droplet rod chamber (23).
10. An eyedropper characterized in that the liquid medicine droplet applicator as claimed in any one of claims 1 to 9 is mounted in the mouth (11) of the bottle body (1).
CN202010176434.2A 2020-03-13 2020-03-13 Liquid medicine microdroplet medicine feeder and eye drop bottle Pending CN111232417A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010176434.2A CN111232417A (en) 2020-03-13 2020-03-13 Liquid medicine microdroplet medicine feeder and eye drop bottle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010176434.2A CN111232417A (en) 2020-03-13 2020-03-13 Liquid medicine microdroplet medicine feeder and eye drop bottle

Publications (1)

Publication Number Publication Date
CN111232417A true CN111232417A (en) 2020-06-05

Family

ID=70878608

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010176434.2A Pending CN111232417A (en) 2020-03-13 2020-03-13 Liquid medicine microdroplet medicine feeder and eye drop bottle

Country Status (1)

Country Link
CN (1) CN111232417A (en)

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