CN116172866B - Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof - Google Patents

Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof Download PDF

Info

Publication number
CN116172866B
CN116172866B CN202310447857.7A CN202310447857A CN116172866B CN 116172866 B CN116172866 B CN 116172866B CN 202310447857 A CN202310447857 A CN 202310447857A CN 116172866 B CN116172866 B CN 116172866B
Authority
CN
China
Prior art keywords
liquid
hole
groove
air
runner
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.)
Active
Application number
CN202310447857.7A
Other languages
Chinese (zh)
Other versions
CN116172866A (en
Inventor
王辉
许燕
许阳
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.)
Zhangjiagang Zhonghui Medical Plastics Technology Co ltd
Original Assignee
Zhangjiagang Zhonghui Medical Plastics 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 Zhangjiagang Zhonghui Medical Plastics Technology Co ltd filed Critical Zhangjiagang Zhonghui Medical Plastics Technology Co ltd
Priority to CN202310447857.7A priority Critical patent/CN116172866B/en
Publication of CN116172866A publication Critical patent/CN116172866A/en
Application granted granted Critical
Publication of CN116172866B publication Critical patent/CN116172866B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1443Containers with means for dispensing liquid medicaments in a filtered or sterile way, e.g. with bacterial filters
    • A61J1/145Containers with means for dispensing liquid medicaments in a filtered or sterile way, e.g. with bacterial filters using air filters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61FFILTERS 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
    • A61F9/00Methods 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
    • A61F9/0008Introducing ophthalmic products into the ocular cavity or retaining products therein
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/05Containers specially adapted for medical or pharmaceutical purposes for collecting, storing or administering blood, plasma or medical fluids ; Infusion or perfusion containers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1412Containers with closing means, e.g. caps
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61JCONTAINERS 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
    • A61J1/00Containers specially adapted for medical or pharmaceutical purposes
    • A61J1/14Details; Accessories therefor
    • A61J1/1475Inlet or outlet ports
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Abstract

The invention discloses a liquid dropping device with functions of bacteria resistance and no residual liquid and a use method thereof, comprising the following steps: bottle, separation formula dripper and bottle lid, separation formula dripper includes: the novel disposable sterilizing and disinfecting integrated drip nozzle comprises a drip nozzle, an integrated seat, an intermediate diaphragm and a sterilizing filter membrane, wherein a movable hole, a runner hole and a liquid collecting hole are formed in the drip nozzle, the integrated seat is connected in the drip nozzle, the runner groove is formed in the integrated seat, a conical thimble is arranged in the runner groove, a liquid outlet hole is formed in the runner groove, an air return groove and an air return hole are formed in the integrated seat, the sterilizing filter membrane is arranged in the air return hole, the intermediate diaphragm is arranged between the integrated seat and the drip nozzle in a sealing mode, a ring-shaped groove is reserved between the intermediate diaphragm and the drip nozzle, a liquid drop column is arranged on the intermediate diaphragm, a liquid outlet channel is arranged in the liquid drop column, a ventilation gap is reserved between the liquid drop column and the movable hole, and a plurality of communicating grooves are formed in the intermediate diaphragm at intervals. The invention can prevent residual liquid medicine from remaining on the liquid dropping head, and can effectively isolate air and liquid medicine during liquid dropping.

Description

Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof
Technical Field
The invention relates to the field of medicine packaging, in particular to a liquid dropper with functions of bacteria resistance and no residual liquid and a using method thereof.
Background
In daily life, accurate administration is required by using a drip, and most commonly, an eye drop drip is used. The existing dropping device in the market mainly comprises a bottle body, a dropping head and a bottle cap, wherein the structure of the conventional dropping device is simple, the bottle cap is opened, the bottle body is inverted, the bottle body is extruded, the medicine liquid in the bottle body can flow outwards and drop through a liquid outlet channel in the dropping head, but after the dropping of the liquid is finished, the external air can be sucked into the bottle body to be contacted with the medicine liquid in the bottle body, and the medicine liquid is contacted with the external air for a long time through the liquid outlet channel in the dropping head, bacteria in the air can easily pollute the medicine liquid, so that in order to solve the problem, medicines such as preservative, antioxidant or antibiotics are added into the medicine liquid in the production process, so that the medicine liquid is protected, but some medicine liquid is easy to react with the medicines such as the preservative, the antioxidant or the antibiotic, and certain risks always exist when the preservative, the antioxidant or the antibiotic is added into the medicine liquid.
In order to solve the above-mentioned defect, disclosed a gas-liquid reposition of redundant personnel aseptic liquid medicine packing on the market at present, its publication number is: CN108478429a, the liquid medicine package comprises: the bottle stopper comprises a self-resetting bottle body and a combined bottle stopper system arranged above the self-resetting bottle body, wherein the self-resetting bottle body is used for filling sterile liquid medicine, the combined bottle stopper system comprises a buckle bottle stopper shell fixedly arranged on the bottle mouth of the self-resetting bottle body, the combined bottle stopper system further comprises a liquid medicine channel one-way valve arranged in the buckle bottle stopper shell and a filtering device, the filtering device comprises a first-stage filtering device, a second-stage filtering device and a third-stage filtering device, the first-stage filtering device, the second-stage filtering device and the third-stage filtering device are sequentially stacked from top to bottom, the first-stage filtering device, the second-stage filtering device and the third-stage filtering device are respectively provided with a liquid medicine channel which is mutually communicated along the vertical direction and a plurality of air filtering channels which surround the liquid medicine channel, and the buckle bottle stopper shell is provided with an air channel inlet which is mutually communicated with the air filtering channels; when the self-resetting bottle body is extruded, sterile liquid medicine flows into the liquid medicine outlet from the liquid medicine channel and the liquid medicine channel one-way valve and is discharged to the outside; when the self-resetting bottle body is released, external air cannot enter the self-resetting bottle body through the liquid medicine passage one-way valve, and can only enter the self-resetting bottle body after being filtered through the air passage inlet and the air passages in the primary filtering device, the secondary filtering device and the tertiary filtering device. The liquid medicine package has a complex structure, the liquid medicine check valve is required to prevent the backflow of liquid medicine and external air, and the liquid medicine package can realize the bacteria blocking function through the diversion of the air and the liquid medicine, but the liquid medicine in the liquid medicine channel can remain in the liquid medicine outlet under the blocking effect of the liquid medicine channel check valve, and the liquid medicine can volatilize, but the liquid medicine outlet is deeper, the residual liquid medicine is accumulated in the liquid medicine outlet and is not easy to volatilize, and is easy to contact with the external air to be polluted, so that the liquid medicine outlet is polluted.
Disclosure of Invention
The invention aims to provide a liquid dropper with functions of bacteria resistance and no residual liquid and a use method thereof, when liquid is dripped, air in a blocking type liquid dropper is blocked, only liquid medicine flows out, the liquid medicine is prevented from contacting with the air in the liquid dropper, when a loose bottle is reset, the liquid medicine is blocked, only the air flows back, so that gas-liquid split is realized, the liquid medicine is prevented from being polluted by the air, and meanwhile, the residual liquid medicine is prevented from polluting a liquid outlet channel by blocking a liquid outlet channel.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows: drip with hinder fungus and do not have raffinate function, include: bottle, separation formula dripper and bottle lid, separation formula dripper seal arrangement is on the bottle, and the bottle lid closes on separation formula dripper, separation formula dripper includes: the novel sterilizing bottle comprises a bottle body, a drip nozzle, an integrated seat, an intermediate diaphragm and a sterilizing filter membrane, wherein the drip nozzle is in sealing connection with the bottle body, a movable hole, a runner hole and a liquid collecting hole which are communicated are formed in the drip nozzle, the drip nozzle is internally connected with the integrated seat, the top of the integrated seat is concavely provided with the runner groove, a conical thimble is upwards arranged in the runner groove in an extending mode, a liquid outlet which is communicated with the inner cavity of the bottle body is formed in the runner groove, an air return groove is formed in the side wall of the integrated seat, the bottom of the integrated seat is provided with the air return hole which is communicated with the air return groove and the inner cavity of the bottle body, the sterilizing filter membrane with the hydrophobic characteristic is arranged in the air return hole, the intermediate diaphragm is arranged between the integrated seat and the drip nozzle in a sealing mode, the intermediate diaphragm is in sealing fit with the runner groove, a circle of annular groove is reserved between the intermediate diaphragm and the drip nozzle, a liquid drop column is arranged on the intermediate diaphragm, an inorganic sterilizing layer is arranged at the end part of the drop column, a liquid outlet channel which is matched with the conical thimble is arranged in the drop column, the drop column is inserted into the movable hole, the air return hole is reserved between the air return hole and the movable hole, the air return hole is communicated with the movable hole, the air outlet is reserved between the intermediate diaphragm and the annular groove and the air chamber is reserved between the air vent and the air chamber.
Further, the aforementioned drip with bacteria-blocking and residue-free functions, wherein the flow channel groove comprises: two non-intercommunicating semicircular grooves are respectively provided with a liquid outlet hole, the two liquid outlet holes are symmetrical, a buffer groove is formed in the downward extension of the top of the integrated seat positioned in the middle of the two semicircular grooves, a plurality of liquid inlet grooves are uniformly distributed between the semicircular grooves and the buffer groove, a conical thimble is arranged in the buffer groove, and a buffer part which is in sealing fit with the buffer groove is formed in the downward extension of the bottom of the middle diaphragm.
Further, the aforementioned drip with bacteria blocking and no raffinate function, wherein, be provided with annular clamping table in the bottom of intermediate diaphragm, be provided with annular fender platform at the top of intermediate diaphragm, the intercommunication groove is along circumference equipartition on annular fender bench, be provided with annular draw-in groove on the integration seat, annular clamping table card on the intermediate diaphragm goes into the annular draw-in groove of integration seat, and the drip supports and presses on intermediate diaphragm's annular fender bench, is provided with the hydrops groove in the buffer, the drip post sets up in the hydrops groove.
Further, the aforementioned drip with bacteria-blocking and residual liquid-free functions, wherein a plurality of guide blocks are uniformly distributed on the outer side wall of the drip column along the circumference, the guide blocks are attached to the inner wall of the movable hole, and the guide blocks are connected with the liquid accumulation groove after extending outwards.
Further, the liquid dropper with the functions of bacteria resistance and no residual liquid is characterized in that a step hole is formed in the bottom of the air return hole in an outward extending mode, an annular baffle plate is in interference fit with the step hole, and the sterilization filter membrane is clamped on the annular baffle plate and is abutted to the step hole.
Further, the aforementioned drip chamber with bacteria-blocking and residual liquid-free functions, wherein the aperture of the flow passage hole is between 0.2 and 0.25mm, the depth of the flow passage hole is between 0.35 and 0.4mm, the liquid collecting hole is in an inverted conical shape, the small diameter end of the liquid collecting hole is communicated with the flow passage hole, and the large diameter end of the liquid collecting hole is provided with a columnar liquid collecting ring in an upward extending manner.
Further, the liquid dropping device with the functions of bacteria resistance and no residual liquid, wherein the liquid outlet channel is in any shape of a cylindrical hole, a conical hole or a combination of the cylindrical hole and the conical hole, and the minimum aperture of the liquid outlet channel is the same as the aperture of the runner hole.
Further, the liquid dropping device with the functions of bacteria resistance and no residual liquid is characterized in that an annular step is arranged on the bottle body, a baffle ring is clamped at the lower end of the annular step, a clamping ring is arranged at the bottom of the inner wall of the bottle cap, the clamping ring is clamped at the lower end of the dropping nozzle, and a tearing ring is arranged between the bottle cap and the baffle ring.
Further, the aforementioned drip emitter with bacteria-blocking and residual liquid-free functions, wherein the inorganic sterilization layer comprises: any one of a silver ion sterilization layer, a zinc oxide sterilization layer and a copper oxide sterilization layer.
The application method of the liquid dropping device with the functions of bacteria resistance and no residual liquid comprises the following steps: taking down the bottle cap, inverting the liquid dropper, extruding the bottle body, enabling the liquid medicine in the bottle body to flow into the runner groove from the liquid outlet hole after extrusion to push the middle spacer film, enabling the liquid dropping column to move along the movable hole after the middle spacer film is pushed until the liquid dropping column is abutted against the drop nozzle, enabling the liquid outlet channel to be communicated with the runner hole in a sealing mode to form a complete liquid medicine channel, enabling a liquid outlet gap to be formed between the conical ejector pin and the liquid outlet channel, enabling the liquid medicine in the runner groove to sequentially enter the liquid outlet channel and the runner hole along with the liquid outlet gap, and converging in the liquid collecting hole to form a drop of liquid medicine to drop;
loosening the bottle body, resetting the middle diaphragm, sealing and attaching a liquid outlet channel in the liquid dropping column with the conical thimble, spraying the liquid medicine remained in the liquid dropping column on the liquid dropping column through the liquid collecting hole and the flow passage hole, and enabling the air to enter the bottle body after passing through the ventilation gap, the air cavity, the communication groove, the annular groove, the air return hole and the degerming filter membrane in the air return hole in sequence, and then placing the bottle body, so that the liquid medicine on the liquid dropping column flows onto the middle diaphragm to volatilize naturally.
The invention has the advantages that: when the liquid medicine is not pressed in the inverted drip, the degerming filter membrane with hydrophobicity can block the liquid medicine in the bottle body, prevent the liquid medicine from entering the air cavity of the drip nozzle through the air return hole and the air return groove to contact with the air in the air cavity, when the bottle body is extruded, the liquid medicine in the bottle body flows into the runner groove through the liquid outlet hole and pushes the middle diaphragm, the drip column on the middle diaphragm is abutted against the drip nozzle, thereby the liquid outlet channel is communicated with the runner hole in a sealing way to form a complete liquid medicine channel, the air cavity in the drip nozzle is isolated from the external air, thus, the air in the drip nozzle can flow without a passage, the air in the drip nozzle is abutted against the degerming filter membrane to play an air sealing role on the degerming filter membrane, the liquid medicine in the bottle body is prevented from penetrating the degerming filter membrane to enter the air cavity of the drip nozzle to contact with the air in the air cavity after being pressed, and the liquid medicine flows into the runner hole from the liquid outlet channel, then converging the liquid medicine in the liquid collecting hole to form liquid drops to drop, realizing independent flowing of the liquid medicine, loosening the bottle body after the liquid dropping is finished, resetting the middle diaphragm to seal the flow channel groove, enabling the liquid outlet channel on the liquid dropping column to be reset and attached to the conical thimble, enabling the liquid medicine in the liquid outlet channel to flow back into the flow channel groove, enabling the air cavity to be communicated with the outside air, enabling the outside air to enter the bottle body through the liquid collecting hole, the flow channel hole, the ventilation gap, the air cavity, the communication groove, the annular groove, the air returning hole and the degerming filter membrane in the air returning hole, degerming and filtering the air to realize independent flowing of the air, enabling the air to be blown to the residual liquid medicine in the flow channel hole when the air passes through the flow channel hole, enabling the residual liquid medicine to be contacted with the inorganic sterilization layer on the liquid dropping column, preventing bacteria in the residual liquid medicine from polluting the liquid dropping column, enabling the residual liquid medicine to naturally volatilize on the middle diaphragm, in the process of dropping liquid and resetting, the liquid medicine can not contact with the air in the dropping nozzle, so the air in the dropping nozzle can not pollute the liquid medicine.
The traditional integral liquid medicine channel is arranged into a separated structure, namely: the liquid collecting hole and the runner hole are formed in the drip nozzle, the liquid outlet channel is formed in the drip column, when the drip column is propped against the drip nozzle, the liquid outlet channel is communicated with the runner hole in a sealing way to form a complete liquid medicine channel, so that liquid medicine remained in the liquid outlet channel can flow back into the bottle body, the liquid medicine remained in the runner hole is greatly reduced, the residual liquid medicine in the runner hole cannot gather in the runner hole and the liquid collecting hole to be contacted with air to be polluted after being blown, and the liquid medicine is more easily volatilized after being less.
Drawings
FIG. 1 is a schematic diagram of an explosion structure of a drip chamber with bacteria-blocking and residue-free functions according to the present invention.
FIG. 2 is a schematic cross-sectional view of a drip with bacteria-blocking and residue-free functions according to the present invention.
Fig. 3 is a schematic cross-sectional view of the bottle cap of fig. 2.
Fig. 4 is a schematic cross-sectional view of the barrier dripper of fig. 2.
Fig. 5 is a schematic cross-sectional view of the mouthpiece of fig. 4.
Fig. 6 is a schematic perspective view of the integrated seat of fig. 1.
Fig. 7 is a schematic cross-sectional structure of fig. 6.
Fig. 8 is a schematic perspective view of the intermediate diaphragm of fig. 1.
Fig. 9 is a schematic cross-sectional structure of fig. 8.
Detailed Description
The technical scheme of the invention is further described below with reference to the attached drawings and the preferred embodiments.
As shown in fig. 1 to 9, the liquid dropper with bacteria-blocking and residual liquid-free functions according to the present invention comprises: bottle 1, separation formula dripper and bottle lid 2, separation formula dripper seal arrangement is on bottle 1, and bottle lid 2 lid closes on separation formula dripper, separation formula dripper includes: the bottle cap 2 is characterized in that the bottle cap 3, the integrated seat 4, the middle diaphragm 5 and the sterilization filter membrane 6 are connected onto the bottle body 1 in a sealing mode, an annular step 11 is arranged on the bottle body 1, a baffle ring 12 is clamped at the lower end of the annular step 11, a clamping ring 21 is arranged at the bottom of the inner wall of the bottle cap 2, the clamping ring 21 is clamped at the lower end of the bottle cap 3, a tear ring 22 is arranged between the bottle cap 2 and the baffle ring 12, the bottle cap 2 can be taken down from the baffle type drip head by upwards pulling the bottle cap 2 after the tear ring 22 is torn off.
The movable hole 31, the runner hole 32 and the liquid collecting hole 33 which are communicated are sequentially arranged on the drip nozzle 3, the aperture of the runner hole 32 is 0.2-0.25 mm, the depth of the runner hole 32 is 0.35-0.4 mm, the liquid collecting hole 33 is in an inverted conical shape, the small diameter end of the liquid collecting hole 33 is communicated with the runner hole 32, the columnar liquid collecting ring 34 is upwards arranged at the large diameter end of the liquid collecting hole 33 in an extending manner, the integrated seat 4 is connected in the drip nozzle 3, the top of the integrated seat 4 is concavely provided with a runner groove, and the runner groove comprises: the bottle body comprises two non-intercommunicating semicircular grooves 41, wherein a liquid outlet hole 42 communicated with the inner cavity of the bottle body 1 is respectively arranged in the two semicircular grooves 41, the two liquid outlet holes 42 are symmetrical, a buffer groove 43 is arranged at the top of an integrated seat 4 positioned in the middle of the two semicircular grooves 41 in a downward extending mode, a conical thimble 44 is arranged in the buffer groove 43 in an upward extending mode, a plurality of liquid inlet grooves 45 are uniformly distributed between the semicircular grooves 41 and the buffer groove 43, an air return groove 46 is arranged on the side wall of the integrated seat 4, an air return hole 47 communicated with the air return groove 46 and the inner cavity of the bottle body 1 is arranged at the bottom of the integrated seat 4, a step hole is formed in the bottom of the air return hole 47 in an outward extending mode, an annular baffle 48 is arranged in the step hole in an interference fit mode, a sterilization filter membrane 6 with a hydrophobic characteristic is clamped on the annular baffle 48, and the sterilization filter membrane 6 abuts against the step hole.
An intermediate diaphragm 5 is arranged between the integrated seat 4 and the drip nozzle 3 in a sealing way, the intermediate diaphragm 5 is in sealing fit with two semicircular grooves 41 in a runner groove, an annular clamping table 51 is arranged at the bottom of the intermediate diaphragm 5, an annular baffle 52 is arranged at the top of the intermediate diaphragm 5, an annular clamping groove 49 is arranged on the integrated seat 4, the annular clamping table 51 on the intermediate diaphragm 5 is clamped into the annular clamping groove 49 of the integrated seat 4, the drip nozzle 3 is pressed against the annular baffle 52 of the intermediate diaphragm 5, a circle of annular groove 35 is reserved between the annular baffle 52 and the drip nozzle 3, a buffer 53 in sealing fit with the buffer groove 43 is arranged at the bottom of the intermediate diaphragm 5 in a downward extending way, a liquid accumulation groove 54 is arranged in the buffer 53, a drip column 55 is arranged in the liquid accumulation groove 54, an inorganic sterilization layer 551 is arranged at the end of the drip column 55, and the inorganic sterilization layer 551 comprises: any one of silver ion sterilization layer, zinc oxide sterilization layer and copper oxide sterilization layer is provided with a plurality of guide blocks 552 along the circumference on the outer side wall of the liquid drop column 55, the guide blocks 552 are connected with the liquid accumulation groove 54 after extending outwards, so that the connection strength between the liquid drop column 55 and the middle diaphragm 5 is enhanced, a liquid outlet channel 56 matched with the conical thimble 44 is arranged in the liquid drop column 55, the liquid drop column 55 is inserted into the movable hole 31, a ventilation gap 36 is reserved between the liquid drop column 55 and the movable hole 31, the guide blocks 552 are attached to the inner wall of the movable hole 31 to play a guiding role on the liquid drop column 55, an air cavity 37 is reserved between the nozzle 3 and the middle diaphragm 5, and a plurality of communication grooves 57 communicated with the air cavity 37 and the annular groove 35 are uniformly distributed along the circumference on the annular baffle 52 of the middle diaphragm 5.
The application method of the liquid dropper with the functions of bacteria resistance and no residual liquid comprises the following steps: the bottle cap 2 is taken down, the liquid medicine in the bottle body 1 is inverted and poured on the integrated seat 4, the liquid medicine in the bottle body 1 cannot flow into the drip nozzle 3 through the sterilizing filter membrane 6 when not pressed due to the hydrophobicity of the sterilizing filter membrane 6, the bottle body 1 is extruded, the liquid medicine in the bottle body 1 is not enough to enable the liquid medicine to permeate the sterilizing filter membrane 6, the liquid medicine can only flow into the corresponding semicircular grooves 41 from the two liquid outlet holes 42 respectively, the two semicircular grooves 41 are not communicated, the liquid medicine in the two semicircular grooves 41 can only enter the corresponding liquid inlet groove 45, the liquid medicine can be accumulated in the liquid inlet groove 45, then the buffer part 53 in the middle diaphragm 5 is pushed, the flow rate and the flow velocity of the liquid medicine in the two symmetrically arranged liquid outlet holes 42 are consistent, so that the liquid medicine amount entering the two semicircular grooves 41 is ensured to be the same, so as to ensure that the amounts of the liquid medicine entering the respective corresponding liquid inlet grooves 45 from the two semicircular grooves 41 are consistent, so that the jacking force of the liquid medicine in the liquid inlet groove 45 received by the periphery of the buffer part 53 of the middle spacing film 5 is consistent, and the buffer part 53 in the middle spacing film 5 can only vertically move after being pushed by the liquid medicine because the middle spacing film 5 is connected with the integrated seat 4 through the clamping structure between the annular clamping table 51 and the annular clamping groove 49, the vertically moving buffer part 53 moves vertically together with the liquid drop column 55 in the liquid accumulation groove 54, thereby preventing the liquid drop column 55 from interfering with the conical thimble 44 due to the inclined movement, the liquid drop column 55 moves along the movable hole 31 after the buffer part 53 in the middle spacing film 5 is pushed until the liquid drop column 55 abuts against the drop nozzle 3, the liquid drop channel 56 is in sealing communication with the runner hole 32 to form a complete liquid medicine channel, the air cavity 37 is isolated from the external air, the air in the drip nozzle 3 does not have a passage, the air in the drip nozzle 3 can resist the sterilization filter membrane 6 to play a role in air sealing, a liquid flowing gap is formed between the buffer part 53 and the buffer groove 43, a liquid outlet gap is also formed between the conical thimble 44 and the liquid outlet channel 56 along with the movement of the liquid dropping column 55, the liquid medicine in the bottle body 1 is increased under the pressure after continuously receiving the extrusion force, the air in the drip nozzle 3 plays a role in air sealing the sterilization filter membrane 6, the liquid medicine in the bottle body 1 can not permeate the sterilization filter membrane 6 to enter the air cavity 37 of the drip nozzle 3 to contact with the air in the air cavity 37 after being pressed, the liquid medicine in the two semicircular grooves 41 flows into the buffer groove 43 through the liquid flowing gap between the buffer part 53 and the buffer groove 43 and the liquid inlet groove 45 along the buffer part 53 to reduce the flow velocity of the liquid medicine, flows along the liquid outlet channel 56 through the liquid outlet gap between the conical thimble 44 and the liquid outlet channel 56, and is converged into the liquid collecting hole 33 through the liquid outlet channel 32, and the liquid medicine is easy to adhere to the liquid collecting ring 34 due to the surface tension to form a drop of liquid medicine because the columnar liquid collecting ring 34 is arranged on the liquid collecting hole 33, and when the drop of liquid medicine is condensed to a certain volume, the weight of the drop of liquid medicine is larger than the surface tension of the liquid medicine and then drops downwards.
After the liquid is dripped, the bottle body 1 is loosened, the liquid medicine does not squeeze the middle diaphragm 5 any more, the middle diaphragm 5 resets and is plugged again on the two semicircular grooves 41 of the runner groove, meanwhile, the liquid outlet channel 56 in the liquid dripping column 55 is in sealing fit with the conical thimble 44, the liquid medicine in the two semicircular grooves 41 is plugged by the middle diaphragm 5 and does not contact with the outside, the air cavity 37 is communicated with the outside air through the runner hole 32, when the bottle body 1 is loosened, the bottle body 1 can suck air through the ventilation gap 36, the air cavity 37, the communication groove 57, the annular groove 35, the air return groove 46, the air return hole 47 and the degerming filter membrane 6 in the air return hole 47 when being expanded, the sucked air volume is equal to the volume of the extruded liquid medicine, when the outside air flows into the bottle body 1, the liquid medicine is blown onto the liquid dripping column 55 through the liquid collecting hole 33 and the runner hole 32, the residual liquid medicine in the runner hole 32 is contacted with the inorganic sterilization layer 551 on the liquid dripping column 55, the inorganic sterilization layer 551 is sterilized, and then the air is easily flows into the ventilation groove 36, 37, the air return groove 35, the air return groove 6 and the degerming filter membrane 6 in the air return groove 54 when the air return groove 47 is expanded, and the residual air is sucked into the air in the bottle body 1, and the air return volume is removed, and the residual air is removed after the liquid medicine is sucked into the air tank 6, and the air is removed, and the residual air in the air tank 1, and the residual air is removed after the air is discharged into the air tank 6, and the air tank and the air is discharged into the air tank 6.
In this embodiment, the aperture of the flow passage hole 32 is preferably 0.25mm, and the depth of the flow passage hole 32 is preferably 0.4mm, so that the volume of the residual liquid medicine in the flow passage hole 32 is (0.25/2) 2×pi×0.4≡0.01963mm3, i.e., 1.963×10-5ml, and therefore, the residual liquid medicine in the flow passage hole 32 is extremely small, and when the bottle body 1 is loosened, the air sucked into the bottle body 1 also plays a role of drying the wall of the flow passage hole 32 when the residual liquid medicine in the flow passage hole 32 is blown, and the residual liquid medicine in the amount uniformly flows downwards on the dropping column 55 after being blown, and is more easily naturally volatilized at normal temperature.
The liquid outlet channel 56 in the liquid drop column 55 can be any one of a cylindrical hole, a conical hole or a combination of the two, the minimum aperture of the liquid outlet channel 56 is the same as the aperture of the flow channel hole 32, and when the liquid outlet channel 56 is a cylindrical hole, the conical ejector pin 44 is abutted against the bottom of the liquid outlet channel 56 and sealed with the liquid outlet channel 56; when the liquid outlet channel 56 is in a structure of combining a cylindrical hole and a conical hole, the cylindrical hole is positioned above, the aperture of the cylindrical hole is the same as that of the runner hole 32, the small-diameter end of the conical hole is connected with the bottom of the cylindrical hole, and the conical thimble 44 extends into the conical hole to be in sealing fit with the conical hole; when the liquid outlet channel 56 is a conical hole, the aperture of the small diameter end of the liquid outlet channel 56 is the same as the aperture of the runner hole 32, the conical thimble 44 extends into the liquid outlet channel 56 to be in sealing fit with the liquid outlet channel 56, wherein the end part of the conical thimble 44 can be positioned in the liquid outlet channel 56 or flush with the end part of the liquid outlet channel 56; in this embodiment, the liquid outlet channel 56 is preferably in a conical hole shape, and the conical thimble 44 is flush with the end of the liquid outlet channel 56 after extending into the liquid outlet channel 56, so that when the liquid medicine is dripped and the bottle body 1 is loosened, the residual liquid medicine in the flow channel hole 32 cannot enter the liquid outlet channel 56, and the liquid outlet channel 56 is not easily polluted by the residual liquid medicine and the outside air.
Finally, it should be noted that: the above embodiments are only for illustrating the technical aspects of the present invention and not for limiting the same, and although the present invention has been described in detail with reference to the above embodiments, it should be understood by those of ordinary skill in the art that: modifications and equivalents may be made to the specific embodiments of the invention without departing from the spirit and scope of the invention, which is intended to be covered by the claims.

Claims (10)

1. Drip with hinder fungus and do not have raffinate function, include: bottle, separation formula water dropper and bottle lid, separation formula water dropper seal arrangement is on the bottle, and the bottle lid closes on separation formula water dropper, its characterized in that: the barrier dripper comprises: the novel sterilizing bottle comprises a bottle body, a drip nozzle, an integrated seat, an intermediate diaphragm and a sterilizing filter membrane, wherein the drip nozzle is in sealing connection with the bottle body, a movable hole, a runner hole and a liquid collecting hole which are communicated are formed in the drip nozzle, the drip nozzle is internally connected with the integrated seat, the top of the integrated seat is concavely provided with the runner groove, a conical thimble is upwards arranged in the runner groove in an extending mode, a liquid outlet which is communicated with the inner cavity of the bottle body is formed in the runner groove, an air return groove is formed in the side wall of the integrated seat, the bottom of the integrated seat is provided with the air return hole which is communicated with the air return groove and the inner cavity of the bottle body, the sterilizing filter membrane with the hydrophobic characteristic is arranged in the air return hole, the intermediate diaphragm is arranged between the integrated seat and the drip nozzle in a sealing mode, the intermediate diaphragm is in sealing fit with the runner groove, a circle of annular groove is reserved between the intermediate diaphragm and the drip nozzle, a liquid drop column is arranged on the intermediate diaphragm, an inorganic sterilizing layer is arranged at the end part of the drop column, a liquid outlet channel which is matched with the conical thimble is arranged in the drop column, the drop column is inserted into the movable hole, the air return hole is reserved between the air return hole and the movable hole, the air return hole is communicated with the movable hole, the air outlet is reserved between the intermediate diaphragm and the annular groove and the air chamber is reserved between the air vent and the air chamber.
2. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 1, wherein: the flow channel groove includes: two non-intercommunicating semicircular grooves are respectively provided with a liquid outlet hole, the two liquid outlet holes are symmetrical, a buffer groove is formed in the downward extension of the top of the integrated seat positioned in the middle of the two semicircular grooves, a plurality of liquid inlet grooves are uniformly distributed between the semicircular grooves and the buffer groove, a conical thimble is arranged in the buffer groove, and a buffer part which is in sealing fit with the buffer groove is formed in the downward extension of the bottom of the middle diaphragm.
3. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 2, wherein: the bottom of middle diaphragm is provided with annular clamping table, is provided with annular fender platform at the top of middle diaphragm, and the intercommunication groove is along circumference equipartition on annular fender bench, is provided with annular clamping groove on the integration seat, and annular clamping table on the middle diaphragm clamps into the annular clamping groove of integration seat, and the drip is supported and is pressed on the annular fender bench of middle diaphragm, is provided with the hydrops groove in the buffer, and the drip post sets up in the hydrops groove.
4. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 3, wherein: a plurality of guide blocks are uniformly distributed on the outer side wall of the liquid dropping column along the circumference, the guide blocks are abutted against the inner wall of the movable hole, and the guide blocks are connected with the liquid accumulation groove after outwards extending.
5. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 1, wherein: the bottom of the air return hole is outwards extended to be provided with a step hole, an annular baffle plate is in interference fit in the step hole, and the sterilizing filter membrane is clamped on the annular baffle plate and is propped against the step hole.
6. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 1, wherein: the aperture of the runner hole is between 0.2 and 0.25mm, the depth of the runner hole is between 0.35 and 0.4mm, the liquid collecting hole is in an inverted conical shape, the small diameter end of the liquid collecting hole is communicated with the runner hole, and a columnar liquid collecting ring is arranged on the large diameter end of the liquid collecting hole in an upward extending mode.
7. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 6, wherein: the liquid outlet channel is in any shape of a cylindrical hole, a conical hole or a combination of the cylindrical hole and the conical hole, and the minimum aperture of the liquid outlet channel is the same as the aperture of the runner hole.
8. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 1, wherein: the bottle body is provided with an annular step, the lower end of the annular step is clamped with a baffle ring, the bottom of the inner wall of the bottle cap is provided with a clamping ring, the clamping ring is clamped at the lower end of the drip nozzle, and a tearing ring is arranged between the bottle cap and the baffle ring.
9. The liquid dropper with bacteria-blocking and residual liquid-free functions as claimed in claim 1, wherein: the inorganic sterilization layer includes: any one of a silver ion sterilization layer, a zinc oxide sterilization layer and a copper oxide sterilization layer.
10. The use method of the liquid dropper with the functions of bacteria resistance and no residual liquid according to any one of claims 1 to 9 is as follows: taking down the bottle cap, inverting the liquid dropper, extruding the bottle body, enabling the liquid medicine in the bottle body to flow into the runner groove from the liquid outlet hole after extrusion to push the middle spacer film, enabling the liquid dropping column to move along the movable hole after the middle spacer film is pushed until the liquid dropping column is abutted against the drop nozzle, enabling the liquid outlet channel to be communicated with the runner hole in a sealing mode to form a complete liquid medicine channel, enabling a liquid outlet gap to be formed between the conical ejector pin and the liquid outlet channel, enabling the liquid medicine in the runner groove to sequentially enter the liquid outlet channel and the runner hole along with the liquid outlet gap, and converging in the liquid collecting hole to form a drop of liquid medicine to drop;
loosening the bottle body, resetting the middle diaphragm, sealing and attaching a liquid outlet channel in the liquid dropping column with the conical thimble, spraying the liquid medicine remained in the liquid dropping column on the liquid dropping column through the liquid collecting hole and the flow passage hole, and enabling the air to enter the bottle body after passing through the ventilation gap, the air cavity, the communication groove, the annular groove, the air return hole and the degerming filter membrane in the air return hole in sequence, and then placing the bottle body, so that the liquid medicine on the liquid dropping column flows onto the middle diaphragm to volatilize naturally.
CN202310447857.7A 2023-04-24 2023-04-24 Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof Active CN116172866B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310447857.7A CN116172866B (en) 2023-04-24 2023-04-24 Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310447857.7A CN116172866B (en) 2023-04-24 2023-04-24 Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof

Publications (2)

Publication Number Publication Date
CN116172866A CN116172866A (en) 2023-05-30
CN116172866B true CN116172866B (en) 2023-07-18

Family

ID=86452468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310447857.7A Active CN116172866B (en) 2023-04-24 2023-04-24 Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof

Country Status (1)

Country Link
CN (1) CN116172866B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117582335B (en) * 2024-01-18 2024-04-02 张家港众辉医用塑料科技有限公司 Anti-blocking sterile dropping head in eyedrop dropping bottle

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5310094A (en) * 1991-11-15 1994-05-10 Jsp Partners, L.P. Preservative free sterile fluid dispensing system
JP4161338B2 (en) * 2002-03-29 2008-10-08 株式会社吉野工業所 Dripping container
DE102008030278A1 (en) * 2008-03-05 2009-09-10 Hans-Joachim Ahrens Back suction free eye drop nozzle for e.g. bottle, has air pipe directly formed in adapter under flexible seal, which is inwardly fitted at container, where flexible seal opened to inner space is significantly lighter than orifice outlets
FR2955842B1 (en) * 2010-02-04 2012-03-16 Thea Lab FLUID FOR PACKAGING A LIQUID WITH A DROP-IN DISTRIBUTION HEAD
EP3277233A1 (en) * 2015-03-31 2018-02-07 Laboratoires THEA Device for dispensing liquid from a sterile packaging bottle with bifunctional membrane
CN108670827A (en) * 2018-06-12 2018-10-19 张家港众辉医用塑料科技有限公司 Sterile liquid medicine is packed
CN109620530A (en) * 2018-12-07 2019-04-16 张家港众辉医用塑料科技有限公司 A kind of filter device of noresidue liquid-drop machine
CN211970268U (en) * 2020-02-28 2020-11-20 重庆康视美科技有限公司 Dripper and liquid dropping bottle with same
CN213697464U (en) * 2020-06-18 2021-07-16 吴立云 Ophthalmic medicine dripping bottle
CN115531082A (en) * 2022-09-16 2022-12-30 张家港众辉医用塑料科技有限公司 Residual liquid removing structure in eyedrop dropping device and residual liquid removing method thereof

Also Published As

Publication number Publication date
CN116172866A (en) 2023-05-30

Similar Documents

Publication Publication Date Title
CN116172866B (en) Liquid dropping device with bacteria-blocking and residual liquid-free functions and use method thereof
EP0363172B1 (en) Liquid dispenser nozzle assembly
JP4869039B2 (en) Chemical container
US5183184A (en) Liquid dispenser nozzle assembly
ES2218179T3 (en) MULTIPLE DOSING BOTTLE WITH DOSAGE NOZZLE FOR LIQUIDS, PARTICULARLY FOR PHARMACEUTICAL PRODUCTS.
CN1326509C (en) Liquid drug container
JP5830036B2 (en) Liquid dispensing drip head and liquid dispensing drip bottle
US5320254A (en) Liquid dispenser nozzle assembly
EA022373B1 (en) Head for dispensing a liquid as a drip
US5255826A (en) Liquid dispenser nozzle assembly
CN201768229U (en) Automatic hydraulic control opened and closed infusion apparatus and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof
CN108670827A (en) Sterile liquid medicine is packed
CN211383125U (en) Disposable automatic exhaust and liquid-stop infusion apparatus
CN101843940B (en) Automatic hydraulic control opening and closing infusion set and hydraulic control opening and closing mechanism and hydraulic control opening and closing valve thereof
KR20220042387A (en) Priming device for drip chambers in fluid injection systems
CN117582335B (en) Anti-blocking sterile dropping head in eyedrop dropping bottle
CN218944032U (en) Disposable precision transfusion system
CN214486342U (en) Chlorine dioxide slow release device
CN108478429A (en) Gas-liquid shunts sterile liquid medicine packaging
CN214050034U (en) Puncture outfit integrated with dropping funnel
EP0057001B1 (en) Cap connector
CN215779949U (en) Liquid medicine dropper capable of accurately controlling medicine output amount
CN210992208U (en) Automatic stop type blood return prevention precise filtering infusion apparatus
CN103028167A (en) Air bubble filter unit of dropping funnel of infusion apparatus
CN107693884B (en) Integrated drip chamber

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant