CN112120818B

CN112120818B - Drug delivery device for periodontitis treatment

Info

Publication number: CN112120818B
Application number: CN202011076849.9A
Authority: CN
Inventors: 冯慧; 胡哲; 苟文群; 刘斌杰; 谢长青
Original assignee: Central South University
Current assignee: Central South University
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-07-27
Anticipated expiration: 2040-10-10
Also published as: CN112120818A

Abstract

The invention discloses a drug delivery device for periodontitis treatment, which belongs to the technical field of medical instruments and comprises an air compression assembly, a drug storage tank, a shell, a flow guide pipe and a drug delivery assembly, wherein the shell is arranged on the drug storage tank, the air compression assembly is arranged on the shell, one end of the flow guide pipe is arranged in the drug storage tank, and the other end of the flow guide pipe is in inserted fit with the drug delivery assembly. According to the invention, the plurality of dosing nozzles arranged on the positioning rubber sleeve are used for spraying the medicine to the gum on the inner side and the outer side of a user, when the medicine needs to be sprayed to the inner side of the gum, the teeth of the patient are used for abutting against the liquid outlet pipe, so that the plurality of liquid medicine tanks rotate 180 degrees on the positioning rubber sleeve, and the liquid outlet pipe is arranged towards the inner side of the gum of the user when the positioning rubber sleeve is placed in the oral cavity, thereby preventing hands from contacting or needing to be turned over through a medical appliance, and effectively avoiding the risk of drip and germ infection caused by the fact that the positioning rubber sleeve entering the oral cavity of the patient is exposed to the air.

Description

Drug delivery device for periodontitis treatment

Technical Field

The invention relates to the technical field of medical appliances, in particular to a drug delivery device for periodontitis treatment.

Background

Periodontitis is clinically manifested in many types, with chronic periodontitis being the most common type of periodontitis, accounting for about 95% of patients with periodontitis. Most chronic periodontitis is slowly aggravated, but intermittent periods of activity may also occur. Chronic periodontitis is a multifactorial disease, and microorganisms are the initiating factors that cause chronic periodontitis. Periodontitis is aggravated by local factors such as tartar, certain tooth development defects, tooth arrangement disorder, poor restoration, occlusal wounds and food impaction, and general factors such as heredity, smoking, endocrine disorders, diabetes and mental stress.

However, in the existing clinical application, a cotton swab or a pair of tweezers is directly adopted to dip a small amount of gel medicine to be smeared on the diseased part of the gum, a special micro-injection device is lacked, the pollution is easily caused, and quantitative injection cannot be carried out.

Cite patent number CN208426243U a ration device of dosing of treatment chronic periodontitis, including injection barrel, piston and with the push rod of piston rigid coupling, the piston all is located injection barrel internally with the push rod to can follow injection barrel axial slip, injection barrel's head intercommunication has the rifle head connecting pipe, the lock has the closing cap on the rifle head connecting pipe, can cup joint injection rifle head on the rifle head connecting pipe mouth, be provided with the scale mark along the axial on injection barrel's the outer wall. The utility model discloses a set up one with the device of dosing of packing temperature sensitivity gel, when not using, the syringe barrel that fills the liquid medicine in advance is sealed with the closing cap, and long and thin injection rifle head and syringe are disconnected.

Although the above drug delivery device can solve the problem of dosing, the following problems still exist: firstly, a gun head connecting pipe after medicine is coated on the gum outside a patient cannot go deep into the oral cavity of the patient to coat the medicine on the gum in the oral cavity, so that the recovery time of the outer gum is shorter than that of the inner gum, and the recovery period of periodontitis is prolonged; secondly, the nozzle needs to be replaced immediately after the medicine is applied to the outer gum of the patient to prevent cross infection between the patients, and at the moment, the gun head connecting pipe needs to be replaced frequently, if the gun head connecting pipe is replaced frequently, the doctor seeing the disease efficiency is delayed, and the patient is easy to inhale pathogenic bacteria through a mouth for a long time to cause respiratory diseases.

Disclosure of Invention

The invention aims to provide a drug delivery device for periodontitis treatment, and the drug delivery device is used for solving the technical problem that in the prior art, the gum in the oral cavity cannot be coated with a drug for the gum of a patient, so that the recovery period is prolonged.

The invention provides a drug delivery device for periodontitis treatment, which comprises an air compression assembly, a drug storage tank, a shell, a flow guide pipe and a drug delivery assembly, wherein the shell is arranged on the drug storage tank and fixedly connected with the drug storage tank, the air compression assembly is arranged on the shell, the flow guide pipe is positioned in the shell, one end of the flow guide pipe is arranged in the drug storage tank, the other end of the flow guide pipe is in inserted fit with the drug delivery assembly, the drug delivery assembly comprises a drug delivery piece, a drug delivery piece and a holding piece, the holding piece is fixedly connected with the side wall of the drug delivery piece, one section of the drug delivery piece is arranged in the drug delivery piece and the holding piece, and the other section of the drug delivery piece is in inserted fit with the flow guide pipe.

Further, the piece of dosing includes location gum cover, two moulding silks and a plurality of shower nozzle of dosing, the cross-section of location gum cover is equipped with in U type and the location gum cover and holds the sap cavity, and holds the sap cavity and be equipped with two stoppers that are the U type, and two stopper symmetries set up and two stoppers and location gum cover fixed connection form integratively, two moulding silks are located two stopper respectively and with location gum cover fixed connection, a plurality of the shower nozzle of dosing homoenergetic pivoted install on the location gum cover and a plurality of shower nozzle equidistant setting of dosing.

Further, the location gum cover corresponds a plurality of and doses the shower nozzle and is equipped with a plurality of and is used for supplying the positioning groove of the shower nozzle installation of dosing, a plurality of the shower nozzle of dosing all includes medicinal liquid jar, feed liquor bellows and drain pipe, in the corresponding positioning groove was arranged in to the medicinal liquid jar and the medicinal liquid jar can the pivoted install on the location gum cover, the one end and the looks medicinal liquid jar intercommunication of feed liquor bellows, the other end of feed liquor bellows extended to the appearance liquid intracavity in the location gum cover, the drain pipe is linked together with the medicinal liquid jar and feed liquor bellows and drain pipe all are equipped with the elasticity and hinder the liquid plectrum, the side of drain pipe is equipped with and supplies its lapped gag lever post, the gag lever post is equipped with four and four gag lever posts and is matrix distribution, four gag lever posts all with location gum cover fixed connection.

Further, the grip piece includes the board of gripping and arranges two through-holes in the board of gripping in, the one end and the location gum cover fixed connection that the board level set up and the board of gripping, two through-hole intervals set up, it includes two liquid pipes and three-way pipe to cross the medicine spare, two one ends of crossing the liquid pipe are passed two through-holes respectively and are placed in holding the liquid intracavity, two other ends and the three-way pipe cooperation of pegging graft of crossing the liquid pipe, two are located the liquid pipe and a stopper fixed connection of crossing that hold the liquid intracavity, two are located the liquid pipe that holds the liquid intracavity and set up a plurality of liquid hole, be equipped with two sealing washers in the pipeline that the three-way pipe and honeycomb duct peg graft, two sealing washer intervals set up and a sealing washer and three-way pipe fixed connection, be equipped with the conflict diving board of becoming the V type on another sealing washer.

Furthermore, one end of the flow guide pipe arranged in the three-way pipe is provided with two closed rings, the two closed rings are arranged at intervals, and the two closed rings are fixedly connected with the flow guide pipe.

Further, be equipped with the baffle of becoming the L type in the medicine storage tank, the space partition in the medicine storage tank of baffle will be first holds the chamber and the chamber is held to the second, the honeycomb duct is arranged in first the intracavity that holds, be equipped with on the medicine storage tank with first the first notes liquid mouth that holds the chamber and be linked together, be equipped with the first closing cap that is used for sealing first notes liquid mouth on the first notes liquid mouth, be equipped with on the medicine storage tank and hold the second that the chamber is linked together with the second and annotate the liquid mouth, be equipped with the second closing cap that is used for sealing the second and annotates the liquid mouth on the liquid mouth is annotated to the second.

Furthermore, the baffle is located the upper segment of medicine storage tank and the second holds the intracavity and is equipped with the siphon, the second is placed in to the one end of siphon and is held the intracavity, and the other end of siphon passes the baffle and places in first holding the intracavity, the siphon is placed in the second and is held the one end in the chamber and be higher than the one end of placing in first holding the chamber.

Furthermore, a control screw rod used for controlling the on-off of the siphon pipe is arranged on the medicine storage tank, the control screw rod is in threaded connection with the partition plate, a screwing handle is arranged at the top of the control screw rod, a control block is arranged at the bottom of the control screw rod, and the control block can slide in the partition plate.

Further, the top and the bottom of location gum cover are equipped with the snap-in plate respectively, and two snap-in plates all with location gum cover sliding fit, correspond a plurality of medicinal solution jar on two snap-in plates and be equipped with a plurality of propelling movement rack, every all be equipped with the tooth's socket that meshes with the propelling movement rack on the lateral wall of medicinal solution jar, every all be equipped with one-way bearing on the medicinal solution jar.

Compared with the prior art, the invention has the beneficial effects that:

firstly, the positioning rubber sleeve is attached to the outer gum of a user by holding the holding plate, the liquid outlet pipe is arranged towards the outer gum of the patient, liquid medicine is injected into the first accommodating cavity, the air compression assembly is extruded to guide the liquid medicine in the first accommodating cavity to the liquid guide pipe and then convey the liquid medicine to the three-way pipe and the two liquid passing pipes, the positioning rubber sleeve is filled with the liquid containing cavity through the two liquid passing pipes, then the air compression assembly is extruded again to enable the liquid medicine to sequentially pass through the liquid inlet corrugated pipe and the elastic liquid blocking stirring sheet arranged in the liquid outlet pipe, and the liquid medicine is sprayed to the outer gum of the user through the liquid outlet pipe;

spout the medicine and accomplish the back when the outside gum, the oral cavity is sent into with the location gum cover to the handheld board that grips, the in-process of sending into simultaneously makes two biteplates slide on the location gum cover through patient with tooth interlock bite plate, when propelling movement rack downstream, the drive a plurality of liquid medicine jar of tooth's socket and propelling movement rack toothing is 180 degrees rotations on the location gum cover, thereby drain pipe is towards user's gum inboard setting when making the location gum cover arrange the oral cavity in, the operation of adding medicine is carried out to patient's gum inner wall to the repeated above-mentioned step of dosing, through in proper order to patient's gum inboard and gum outside the operation of adding medicine can make the gum evenly add medicine, thereby prevent that the unable medicine of adding medicine of user gum inboard from leading to periodontitis healing time extension.

Secondly, the spray head is quickly replaced by inserting and matching the arranged three-way pipe with the liquid guide pipe, when the spray head needs to be replaced, one hand holds the front end of the liquid guide pipe, the other hand holds the three-way pipe and relatively pulls the three-way pipe to separate the three-way pipe from the liquid guide pipe, the quick replacement is realized, two sealing rings arranged in the three-way pipe and two sealing rings arranged in the liquid guide pipe are arranged in a staggered mode to prevent liquid medicine leakage, and a V-shaped abutting elastic plate arranged behind one sealing ring in the three-way pipe enables the sealing ring to be tightly attached to the outer side wall of the liquid guide pipe to prevent liquid medicine leakage.

Thirdly, the elastic liquid-blocking poking pieces arranged in the inner liquid-inlet corrugated pipe and the liquid outlet pipe are used for preventing liquid medicine from flowing back, when the liquid medicine is applied to the gum through the liquid outlet pipe, the elastic liquid-blocking poking pieces in the liquid outlet pipe are flushed away by the liquid medicine, when the liquid medicine passes through the liquid outlet pipe, the elastic liquid-blocking poking pieces reset to prevent the liquid medicine mixed with oral liquid of a patient from flowing back, and the elastic liquid-blocking poking pieces arranged in the liquid-inlet corrugated pipe and the elastic liquid-blocking poking pieces of the liquid outlet pipe have the same functions and are used for preventing the liquid medicine from flowing back.

Fourthly, the shaping wire arranged in the positioning rubber sleeve can enable the positioning rubber sleeve to be attached to the gum radian of a user through the collision of the tongue of the user, so that the liquid medicine can be accurately sprayed to the gum, the positioning rubber sleeve can be shaped by the flexible rubber sleeve, the shaping wire can be shaped through external force, the shaping wire can keep a shape after the shaping wire forms the shape, and the shaping wire cannot deform when not changed by the external force.

Fifthly, the dosing spray head arranged on the positioning adhesive tape in the invention is used for spraying the gum of a user, when the gum on the outer side of the user finishes spraying the medicine, the positioning adhesive sleeve is sent into the oral cavity by the handheld holding plate, meanwhile, in the sending process, the patient uses the tooth occluding plates to enable the two occluding plates to slide on the positioning adhesive sleeve, when the pushing rack moves downwards, the tooth grooves on the liquid medicine tank are meshed with the pushing rack to drive the liquid medicine tanks to rotate 180 degrees on the positioning adhesive sleeve, the liquid outlet pipe is arranged towards the inner side of the gum of the user, the liquid inlet corrugated pipe can be lengthened, so that the situation that the liquid medicine tanks cannot rotate 180 degrees due to the fact that the liquid inlet corrugated pipe cannot be lengthened when the liquid medicine tanks rotate is avoided, four limiting rods arranged on the positioning adhesive sleeve are used for supplying the liquid outlet lapping pipe, and the liquid outlet pipe cannot face the inner side of the gum after rotating is prevented.

Sixth, the inner siphon can be used for proportioning liquid medicine with unavailable concentration according to the infection degree of periodontitis of a patient, the liquid medicine in the first containing cavity is conventional liquid medicine, the diluted liquid medicine in the second containing cavity is diluted liquid medicine, the siphon can be used for conveying the diluted liquid medicine in the second containing cavity to the conventional liquid medicine in the first containing cavity according to the siphon principle, so that the concentration of the liquid medicine in the first containing cavity is changed, the control screw is rotated by screwing the handle, the control screw is screwed in the partition plate to enable the control block to press the siphon, the pipe diameter of the siphon is controlled, and the flow of the liquid medicine flowing into the first containing cavity from the second containing cavity is adjusted.

Seventhly, the medicine feeding nozzles arranged on the positioning rubber sleeve are used for spraying medicine to the gum on the inner side and the outer side of a user, the medicine spraying operation can be timely carried out on the gum on the inner side of a periodontitis patient without replacing the nozzles, when the medicine is required to be sprayed on the inner side of the gum, the patient can enable the two bite plates to slide on the positioning rubber sleeve by using the tooth bite plates, when the pushing rack moves downwards, the tooth grooves on the medicine liquid tank are meshed with the pushing rack to drive the medicine liquid tanks to rotate 180 degrees on the positioning rubber sleeve, the liquid outlet pipe is arranged towards the inner side of the gum of the user when the positioning rubber sleeve is placed in the oral cavity, so that the hand is prevented from contacting or needing to be turned over through a medical appliance, and the risks of dripping of saliva and bacterial infection caused by the fact that the positioning rubber sleeve entering.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of a drug delivery assembly according to the present invention;

FIG. 3 is a partial cross-sectional view of the administration set of the present invention;

FIG. 4 is a cross-sectional view of a positioning boot of the present invention;

FIG. 5 is a cross-sectional view of a drug delivery device and a grip of the present invention;

FIG. 6 is an enlarged view taken at A in FIG. 5;

FIG. 7 is a schematic perspective view of a dispensing nozzle according to the present invention;

FIG. 8 is a partial cross-sectional view of the present invention;

FIG. 9 is an enlarged view of FIG. 8 at B;

FIG. 10 is a cross-sectional view of a drug storage canister of the present invention;

FIG. 11 is a partial cross-sectional view of a separator plate according to the invention;

fig. 12 is a schematic view of the working states of the bite plate and the pushing rack of the present invention.

Reference numerals:

the device comprises an air compression component 1, a medicine storage tank 2, a partition plate 21, a first containing cavity 22, a second containing cavity 23, a first liquid injection port 24, a first sealing cover 25, a second liquid injection port 26, a second sealing cover 27, a siphon 28, a control screw 281, a screwing handle 282, a control block 283, a shell 3, a flow guide pipe 4, a medicine feeding component 5, a positioning rubber sleeve 511, a shaping wire 512, a medicine feeding spray head 513, a medicine liquid tank 5131, a liquid inlet corrugated pipe 5132, a liquid outlet pipe 5133, an elastic liquid resistance shifting sheet 5134, a liquid containing cavity 514, a limiting block 515, a positioning groove 516, a limiting rod 517, a medicine passing part 52, a liquid passing pipe 521, a three-way pipe 522, a sealing ring 523, an abutting elastic plate 524, a sealing ring 525, a holding part 53, a holding plate 531, a through hole 532, a meshing plate 6 and a pushing rack 7.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 12, an embodiment of the present invention provides a drug delivery device for periodontitis treatment, including an air compression assembly 1, a drug storage tank 2, a housing 3, a flow guide tube 4 and a drug delivery assembly 5, where the housing 3 is mounted on the drug storage tank 2 and fixedly connected thereto, the air compression assembly 1 is mounted on the housing 3, the flow guide tube 4 is located in the housing 3, one end of the flow guide tube 4 is disposed in the drug storage tank 2, the other end of the flow guide tube 4 is in insertion fit with the drug delivery assembly 5, the drug delivery assembly 5 includes a drug delivery piece 51, a drug delivery piece 52 and a holding piece 53, the holding piece 53 is fixedly connected to a sidewall of the drug delivery piece 51, a section of the drug delivery piece 52 is disposed in the drug delivery piece 51 and the holding piece 53, and another section of the drug delivery piece 52 is in insertion fit with the flow guide tube 4.

Specifically, it doses the shower nozzle 513 to dose piece 51 including location gum cover 511, two moulding silk 512 and a plurality of, the cross-section of location gum cover 511 is equipped with in U type and the location gum cover 511 and holds the sap cavity 514, and holds the sap cavity 514 and be equipped with two stopper 515 that are the U type, and two stopper 515 symmetry settings and two stopper 515 and location gum cover 511 fixed connection form integratively, two moulding silk 512 is located two stopper 515 respectively and with location gum cover 511 fixed connection, a plurality of it is installed on location gum cover 511 and a plurality of that dose shower nozzle 513 homoenergetic pivoted to dose shower nozzle 513 and equidistant setting, through handheld holding 53 with the laminating of location gum cover 511 and the gum of treating user's outside, the location gum cover 511 that is the U type setting can laminate more and human gum, two stopper 515 that set up are used for spacing moulding silk 512 to the moulding silk 512 that sets up can be through the user through the tongue messenger's location gum cover 511 and messenger's conflict location gum cover 512 that the location gum cover 511 set up in the location gum cover 511 User's gum radian laminating to making spraying to gum department that the liquid medicine can be accurate, location gum cover 511 can carry out moulding for flexible gum cover, moulding silk 512 can carry out moulding through external force and can keep this shape after moulding silk 512 forms a shape, can not take place deformation when not receiving external force to change.

Specifically, the positioning rubber sleeve 511 is provided with a plurality of positioning grooves 516 for installing the dosing nozzle 513 corresponding to the plurality of dosing nozzles 513, the plurality of dosing nozzles 513 each include a liquid medicine tank 5131, a liquid inlet corrugated pipe 5132 and a liquid outlet pipe 5133, the liquid medicine tank 5131 is arranged in the corresponding positioning groove 516, the liquid medicine tank 5131 can be rotatably installed on the positioning rubber sleeve 511, one end of the liquid inlet corrugated pipe 5132 is communicated with the liquid medicine tank 5131, the other end of the liquid inlet corrugated pipe 5132 extends into a liquid containing cavity 514 in the positioning rubber sleeve 511, the liquid outlet pipe 5133 is communicated with the liquid medicine tank 5131, the liquid inlet corrugated pipe 5132 and the liquid outlet pipe 5133 are both provided with elastic liquid resistance poking pieces 5134, the side of the liquid outlet pipe 5133 is provided with limiting rods 517 for overlapping the liquid inlet corrugated pipe, the limiting rods 517 are provided with four limiting rods 517 and distributed in a matrix shape, the four limiting rods 517 are fixedly connected with the positioning rubber sleeve 511, and the dosing nozzles 513 arranged on the positioning rubber sleeve is used for spraying medicine to gums of a user, after the medicine is spouted to user's outside gum and is accomplished, handheld grip 53 sends into the oral cavity with location gum cover 511, simultaneously in the in-process of sending into through patient with two bite plates 6 of tooth interlock bite plate make two bite plates 6 slide on location gum cover 511, tooth's socket and the meshing of propelling movement rack 7 on the liquid medicine jar 5131 when propelling movement rack 7 moves down, drive a plurality of liquid medicine jar 5131 and do 180 degrees rotations on location gum cover 511, drain pipe 5133 sets up towards user's gum inboard, thereby the liquid inlet bellows 5132 can be elongated and avoid when liquid medicine jar 5131 is rotatory can not prolong and lead to the unable rotatory 180 degrees of liquid medicine jar 5131 because of liquid inlet bellows 5132, four gag lever posts 517 that set up on the location gum cover 511 are used for the overlap joint of supply pipe 5133, thereby prevent that the rotatory back of drain pipe 5133 can's unable gum inboard towards.

Specifically, the holding member 53 includes a holding plate 531 and two through holes 532 disposed in the holding plate 531, the holding plate 531 is horizontally disposed, one end of the holding plate 531 is fixedly connected to the positioning rubber sleeve 511, the two through holes 532 are disposed at intervals, the medicine passing member 52 includes two liquid passing tubes 521 and a three-way tube 522, one ends of the two liquid passing tubes 521 respectively pass through the two through holes 532 and are disposed in the liquid containing cavity 514, the other ends of the two liquid passing tubes 521 are in inserting fit with the three-way tube 522, the two liquid passing tubes 521 disposed in the liquid containing cavity 514 are fixedly connected to a limiting block 515, the two liquid passing tubes 521 disposed in the liquid containing cavity 514 are provided with a plurality of liquid outlet holes, the three-way tube 522 is provided with two sealing rings 523 in a pipe inserted into the flow guide tube 4, the two sealing rings 523 are disposed at intervals, one sealing ring 523 is fixedly connected to the three-way tube 522, the other sealing ring 523 is provided with a V-shaped elastic plate 524 abutting against the holding plate 531, and the holding plate 531 is used for a doctor or a patient to hold, so that remove the location gum cover 511 thereby prevent the contact of hand or need contact through medical appliances, two cross the liquid pipe 521 can carry the liquid medicine that three-way pipe 522 transmitted to the location gum cover 511 in, thereby the board 531 of gripping is used for preventing two cross the liquid pipe 521 and avoids the user to bite through liquid pipe 521 and lead to the liquid medicine seepage.

Specifically, the one end that three-way pipe 522 was arranged in to honeycomb duct 4 is equipped with two closed rings 525, two closed rings 525 intervals set up and two closed rings 525 all with honeycomb duct 4 fixed connection, thereby the three-way pipe 522 and the honeycomb duct 4 grafting cooperation of setting realize the quick replacement shower nozzle, hold honeycomb duct 4 front end on one hand when needs change shower nozzle, the other hand holds three-way pipe 522 and pulls relatively and makes three-way pipe 522 and honeycomb duct 4 separation, realize quick replacement, two sealing washer 523 that set up in the three-way pipe 522 and two closed ring 525 crisscross settings that set up in the honeycomb duct 4 can prevent the liquid medicine leakage, and the V type conflict diving board 524 that sets up behind one sealing washer 523 in three-way pipe 522 can make this sealing washer 523 hug closely the lateral wall of honeycomb duct 4 and prevent the liquid medicine leakage.

Specifically, be equipped with the baffle 21 of becoming the L type in medicine storage tank 2, the space of baffle 21 in with medicine storage tank 2 is split into first chamber 22 and the second of holding and holds chamber 23, honeycomb duct 4 is arranged in first chamber 22 that holds, be equipped with on medicine storage tank 2 and hold the first notes liquid mouth 24 that chamber 22 is linked together with first, first annotate be equipped with on the liquid mouth 24 and be used for sealing first closing cap 25 of annotating liquid mouth 24, be equipped with on medicine storage tank 2 and hold the second that chamber 23 is linked together with the second and annotate liquid mouth 26, be equipped with on the second notes liquid mouth 26 and be used for sealing the second and annotate the second closing cap 27 of liquid mouth 26, medicine storage tank 2 is used for saving the liquid medicine, can annotate the liquid medicine to first chamber 22 of holding through first notes liquid mouth 24 of annotating, can hold chamber 23 through the second and annotate the liquid medicine.

Specifically, the baffle 21 is located the upper segment of medicine storage tank 2 and is equipped with siphon 28 in the second holds the chamber 23, the second holds the chamber 23 in is placed in to the one end of siphon 28, the other end of siphon 28 passes the baffle 21 and places in first holding chamber 22, the siphon 28 is placed the one end that the second held the chamber 23 in and is higher than the one end of placing in first holding chamber 22, siphon 28 can be according to the liquid medicine that infection degree ratio concentration of patient periodontitis is obstructed, the liquid medicine is conventional liquid medicine in the first holding chamber 22, be the dilution liquid medicine in the second holding chamber 23, siphon 28 can carry the dilution liquid medicine in the second holding chamber 23 to the conventional liquid medicine in the first holding chamber 22 according to the siphon principle to change the concentration of the liquid medicine in the first holding chamber 22.

Specifically, the medicine storage tank 2 is provided with a control screw 281 for controlling the on-off of the siphon tube 28, the control screw 281 is in threaded fit with the partition plate 21, the top of the control screw 281 is provided with a screwing handle 282, the bottom of the control screw 281 is provided with a control block 283, the control block 283 can slide in the partition plate 21, the control screw 281 is rotated by screwing the screwing handle 282, the control screw 281 is screwed in the partition plate 21 to enable the control block 283 to press the siphon tube 28, the tube diameter of the siphon tube 28 is controlled, and the flow rate of the liquid medicine flowing into the first accommodating cavity 22 from the second accommodating cavity 23 is adjusted.

Specifically, the top and the bottom of the positioning rubber sleeve 511 are respectively provided with an engaging plate 6, the two engaging plates 6 are both in sliding fit with the positioning rubber sleeve 511, a plurality of pushing racks 7 are arranged on the two engaging plates 6 corresponding to a plurality of liquid medicine tanks 5131, the outer side wall of each liquid medicine tank 5131 is provided with a tooth socket meshed with the pushing rack 7, each liquid medicine tank 5131 is provided with a one-way bearing, when the inner side of the gum needs to be sprayed with medicine, the patient uses the teeth to engage the engaging plates 6 to enable the two engaging plates 6 to slide on the positioning rubber sleeve 511, when the pushing rack 7 moves downwards, the tooth grooves on the liquid medicine tank 5131 and the pushing rack 7 are meshed to drive the liquid medicine tanks 5131 to rotate 180 degrees on the positioning rubber sleeve 511, so that the liquid outlet pipe 5133 is arranged towards the inner side of the gum of the user when the positioning rubber sleeve 511 is placed in the oral cavity, and the arranged one-way bearing is used for preventing the liquid outlet pipe 5133 from being incapable of facing the inner side of the gum of the user due to the fact that the liquid medicine tanks 5131 are reset after rotation.

Specifically, the working principle of the air compression assembly 1 is the same as that of the toy water gun.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The drug delivery device for periodontitis treatment comprises an air compression assembly (1) and is characterized by further comprising a drug storage tank (2), a shell (3), a flow guide pipe (4) and a drug delivery assembly (5), wherein the shell (3) is installed on the drug storage tank (2) and fixedly connected with the drug storage tank, the air compression assembly (1) is installed on the shell (3), the flow guide pipe (4) is located in the shell (3), one end of the flow guide pipe (4) is arranged in the drug storage tank (2), the other end of the flow guide pipe (4) is in plug-in fit with the drug delivery assembly (5), the drug delivery assembly (5) comprises a drug delivery piece (51), a drug delivery piece (52) and a holding piece (53), the holding piece (53) is fixedly connected with the side wall of the drug delivery piece (51), one section of the drug delivery piece (52) is arranged in the drug delivery piece (51) and the holding piece (53), the other section of the drug delivery piece (52) is in plug-in fit with the flow guide pipe (4), the drug delivery piece (51) comprises a positioning rubber sleeve (511), two shaping wires (512) and a plurality of drug delivery nozzles (513), the cross section of the positioning rubber sleeve (511) is U-shaped, a liquid containing cavity (514) is arranged in the positioning rubber sleeve (511), two U-shaped limiting blocks (515) are arranged in the liquid containing cavity (514), the two limiting blocks (515) are symmetrically arranged, the two limiting blocks (515) are fixedly connected with the positioning rubber sleeve (511) to form a whole, the two shaping wires (512) are respectively positioned in the two limiting blocks (515) and fixedly connected with the positioning rubber sleeve (511), the drug delivery nozzles (513) can be rotatably arranged on the positioning rubber sleeve (511) and the drug delivery nozzles (513) are arranged at equal intervals, the positioning rubber sleeve (511) is provided with a plurality of positioning grooves (516) for installing the drug delivery nozzles (513) corresponding to the drug delivery nozzles (513), a plurality of the shower nozzle (513) of dosing all includes liquid medicine jar (5131), feed liquor bellows (5132) and drain pipe (5133), corresponding positioning groove (516) is arranged in and liquid medicine jar (5131) can be pivoted and install on location gum cover (511) liquid medicine jar (5131), the one end and the liquid medicine jar (5131) intercommunication of feed liquor bellows (5132), the other end of feed liquor bellows (5132) extends to in the liquid holding chamber (514) in location gum cover (511), drain pipe (5133) are linked together and feed liquor bellows (5132) and drain pipe (5133) all are equipped with elasticity and hinder liquid plectrum (5134), the side of drain pipe (5133) is equipped with and supplies its lapped gag lever post (517), gag lever post (517) are equipped with four and four gag lever posts (517) and are the matrix distribution, four gag lever posts (517) all with location gum cover (511) fixed connection, the top and the bottom of location gum cover (511) are equipped with interlock board (6) respectively, and two interlock boards (6) all with location gum cover (511) sliding fit correspond a plurality of medicinal liquid jar (5131) on two interlock boards (6) and are equipped with a plurality of propelling movement rack (7), every all be equipped with the tooth's socket that meshes mutually with propelling movement rack (7) on the lateral wall of medicinal liquid jar (5131), every all be equipped with one way bearing on medicinal liquid jar (5131).

2. The drug delivery device for periodontitis treatment according to claim 1, wherein: the holding part (53) comprises a holding plate (531) and two through holes (532) arranged in the holding plate (531), the holding plate (531) is horizontally arranged, one end of the holding plate (531) is fixedly connected with the positioning rubber sleeve (511), the two through holes (532) are arranged at intervals, the medicine passing part (52) comprises two liquid passing pipes (521) and a three-way pipe (522), one ends of the two liquid passing pipes (521) respectively penetrate through the two through holes (532) and are arranged in the liquid containing cavity (514), the other ends of the two liquid passing pipes (521) are in splicing fit with the three-way pipe (522), the two liquid passing pipes (521) positioned in the liquid containing cavity (514) are fixedly connected with a limiting block (515), the two liquid outlet holes are formed in the two liquid passing pipes (521) positioned in the liquid containing cavity (514), two sealing rings (523) are arranged in a pipeline in which the three-way pipe (522) is spliced with the guide pipe (4), the two sealing rings (523) are arranged at intervals, and one sealing ring (523) is fixedly connected with the three, and a V-shaped abutting elastic plate (524) is arranged on the other sealing ring (523).

3. The drug delivery device for periodontitis treatment according to claim 2, wherein: one end of the draft tube (4) arranged in the three-way pipe (522) is provided with two sealing rings (525), the two sealing rings (525) are arranged at intervals, and the two sealing rings (525) are fixedly connected with the draft tube (4).

4. The drug delivery device for periodontitis treatment according to claim 3, wherein: be equipped with baffle (21) of one-tenth L type in medicine storage tank (2), baffle (21) are divided into the first chamber (22) and the second that holds of holding for space in medicine storage tank (2), honeycomb duct (4) are arranged in the first chamber (22) that holds, be equipped with on medicine storage tank (2) and hold first notes liquid mouth (24) that chamber (22) are linked together with the first, be equipped with on first notes liquid mouth (24) and be used for sealing first closing cap (25) of annotating liquid mouth (24), it annotates liquid mouth (26) to be equipped with the second that holds chamber (23) and be linked together with the second on medicine storage tank (2), it seals lid (27) to be equipped with the second that is used for sealing the second and annotates liquid mouth (26) on liquid mouth (26) is annotated to the second.

5. The drug delivery device for periodontitis treatment according to claim 4, wherein: baffle (21) are located the upper segment of medicine storage tank (2) and the second holds and is equipped with siphon (28) in chamber (23), the second is placed in and holds chamber (23) to the one end of siphon (28), and the other end of siphon (28) passes baffle (21) and places in first holding chamber (22), siphon (28) are placed the second and are held the one end of chamber (23) and be higher than the one end of placing first holding chamber (22) in.

6. The drug delivery device for periodontitis treatment according to claim 5, wherein: be equipped with control screw (281) that is used for controlling siphon (28) break-make on medicine storage tank (2), control screw (281) and baffle (21) spiro union cooperation, and the top of control screw (281) is equipped with twists and twist handle (282), and the bottom of control screw (281) is equipped with control block (283), control block (283) can slide in baffle (21).