CN104307076B

CN104307076B - The telescopic fog-storage can structure of respiratory tract administration

Info

Publication number: CN104307076B
Application number: CN201410591610.3A
Authority: CN
Inventors: 沈建东
Original assignee: JIANGSU KANGNUO MEDICAL DEVICES CO Ltd
Current assignee: JIANGSU KANGNUO MEDICAL DEVICES CO Ltd
Priority date: 2014-10-29
Filing date: 2014-10-29
Publication date: 2016-07-06
Anticipated expiration: 2034-10-29
Also published as: CN104307076A

Abstract

The telescopic fog-storage can structure of a kind of respiratory tract administration, belongs to technical field of medical instruments.Including trocar sheath；Inner sleeve, is located at trocar sheath intracavity, and its outer wall sets sealing ring；Inner sleeve matching seat, connects with inner sleeve, and its middle position constitutes pharmacy jar set and holds chamber；Transition adapter sleeve, connects with the upper end of trocar sheath, and its top constitutes and constitutes guiding tube matching seat air vent on guiding tube matching seat, wall body, middle position constitutes nozzle；Guiding tube, is connected with transition adapter sleeve, and it constitutes expiration valve port；Administration face shield, has mask interface, and mask interface chamber communicates with guiding tube chamber；Administration valve, is located on guiding tube matching seat, and it constitutes expiration valve block；Pharmacy jar set, coordinates with the plug of pharmacy jar mantle cavity.Meet successive administration requirement and easy to use；Medicament will be caused to waste because of operational error；Manufacture and assembly are simple, easy to operate；Adapt to the dosage change of the patient of different age group and different physical ability；To administering mode without fastidious.

Description

The telescopic fog-storage can structure of respiratory tract administration

Technical field

The invention belongs to technical field of medical instruments, be specifically related to the telescopic fog-storage can structure of a kind of respiratory tract administration.

Background technology

The English name of above mentioned fog-storage can is Spacer, is the aid of quantitative aerosol (MDI) anapnotherapy, is used for storing medicament aerosol.The medicine mist of MDI ejection stores in fog-storage can, and patient, from fog-storage can Sucked medicine, can improve the curative effect of MDI, and reduce side effect.The asthma quantitative aerosol administration that the typical example such as asthmatic patient of above mentioned respiratory tract administration is conventional, because asthmatic patient is when seeking medical advice, doctor can open the quantitative aerosol (MDI) for expanding trachea in prescription mode.Patient once prominent round asthma attack, just can realize self administration in daily life with work, reaches the purpose of Heal Thyself, oneself's suppression and/or autonomous relieving asthma outbreak.It can thus be appreciated that, if the patient being administered systemically for respirability road adopts oral administration medicine supplying, so effect can be substantially inferior, because respiratory system administration can make medicine mist per os, nasal inhalation enter trachea-bronchial epithelial cell, diffuse to whole alveolar again, there is oral formula and be administered the unrivaled effect got instant result.

nullIn view of being not limited to reason recited above，MDI is no lack of at medical department and pharmacy and is seen in recent years，Increase accordingly as the use of the fog-storage can of aid for this，Although and title appellation is different，But it is no lack of equally in disclosed Chinese patent literature and is seen in，Slightly with enumerate if document A. Authorization Notice No. CN101238047B(is for the insulated canister of metered-dose inhaler)、The aerosol apparatus of a document B.CN201230996Y(respiratory tract administration)、Document C.CN102218180B(aerosol counter)、The aerosol apparatus of document D.CN201701589U(respiratory tract administration)、Document E. publication No. CN103079618A(metered-dose inhaler actuator、Metered-dose inhaler)、Document F.CN202777335U(reagent spray tank)、Document G.CN203043211U(reagent spray bottle) and document H.CN203852678U(multifunctional spray tank)，Etc..

Above-mentioned document B, document D, document E, document F, document G and document H are owing to being intended to by means of compression air, thus are not easy to patient in daily life and the convenient use in work.Above-mentioned document A only relates to the self structure of pharmacy jar, does not provide the technology enlightenment of the doser matched with pharmacy jar.

Above-mentioned document C gives the overall structure of pharmacy jar (patent claims aerosol can) and doser all sidedly, the positive effect of document C is in that: can clearly show that residue times for spraying, avoid just realizing the puzzlement that medicament is not enough in surperise when urgent need, specifically can referring to this patent specification the 0007th section to 0012 section, but there is following shortcoming in this patent formula: one, once need mouth is left aerosol counter once owing to often inhaling, that is when patient expiration, its mouth (also can claim mouth) need to be left the nozzle of aerosol counter by patient, just mouth is coordinated with the nozzle of aerosol counter during air-breathing, thus use and inconvenient, because in an administration process, typically require and repeatedly suck medicament, then there is the nozzle repeatedly leaving aerosol counter, patient's successive administration is caused trouble by this alternating movement process；Its two, due in administration process, when the mouth of patient leaves the nozzle of aerosol counter, the pressing to MDI need to be released simultaneously, the inaction of medicament otherwise can be caused to waste, because once motion loses harmony (coordination), then waste medicament situation cannot avoid；Its three, due to complicated integral structure, thus not only manufacture difficulty is big, and loses cheap；Its four, nasal-cavity administration can not be realized owing to oral administration requirement can only be met, thus administering mode is had fastidious property.

Summary of the invention

The task of the present invention is in that to provide a kind of and contributes to meeting patient's successive administration in an administration process and require and use and embody the convenience used, be conducive to avoiding waste medicament to use saving drug cost, it is of value to notable to simplify structure and use and facilitate manufacture and assembly and embody relatively cheap, having to be easy to comply with needs pondage and uses the dosage of the patient adapting to all ages and classes level and different physical ability and contribute to meeting the medication requirements of mouth and/or nose and use the telescopic fog-storage can structure of the respiratory tract administration of the fastidious property avoided in use procedure.

The task of the present invention is performed by, and the telescopic fog-storage can structure of a kind of respiratory tract administration, including a trocar sheath；One inner sleeve, this inner sleeve is arranged on the trocar sheath intracavity of trocar sheath up or down, and on the outer wall of this inner sleeve, it is provided with a sealing ring, this sealing ring seals with the cavity wall of described overcoat tube chamber and coordinates, when the lower end of inner sleeve leans out the degree change of described overcoat tube chamber, the size also respective change in the space formed between top and the upper surface of inner sleeve of overcoat tube chamber；One inner sleeve matching seat, this inner sleeve matching seat connects with inner sleeve in the position of the lower end corresponding to described inner sleeve, and the middle position of this inner sleeve matching seat is constituted has a pharmacy jar set to hold chamber, and this pharmacy jar set holds chamber and communicates with the internal canula lumen of inner sleeve；One transition adapter sleeve, the bottom of this transition adapter sleeve and the upper end of trocar sheath connect, and the top composition of this transition adapter sleeve has a guiding tube matching seat, constituting on the wall body of this guiding tube matching seat and have the guiding tube matching seat air vent communicated with the external world, the middle position of transition adapter sleeve is constituted a nozzle communicated with described overcoat tube chamber；One guiding tube communicated with described transition adapter sleeve, the lower end of this guiding tube is connected with described transition adapter sleeve in the position corresponding to described nozzle, and constituting on this guiding tube and in the position corresponding to described guiding tube matching seat air vent has expiration valve port；One administration face shield, this administration face shield has a mask interface, and this mask interface coordinates with described guiding tube grafting, and the mask interface chamber of this mask interface communicates with the guiding tube chamber of described guiding tube；One administration valve, this administration valve is arranged on guiding tube matching seat in the position corresponding to described nozzle, the valve pocket of this administration valve communicates with nozzle, and the administration valve port being administered valve communicates with described guiding tube chamber, and constituting on this administration valve and have expiration valve block, this expiration valve block is corresponding between described expiration valve port and described guiding tube matching seat air vent；One pharmacy jar set, this pharmacy jar set holds chamber plug with described pharmacy jar set and coordinates.

In a specific embodiment of the present invention, constituting in the upper end of described trocar sheath and have a transition adapter sleeve mating cavity, the bottom of described transition adapter sleeve is connecting corresponding to the position of transition adapter sleeve mating cavity and the upper end of trocar sheath.

In another specific embodiment of the present invention, the inwall of described transition adapter sleeve mating cavity is constituted with space state and is had the card base flange being raised in inner wall surface, in the bottom of described transition adapter sleeve and offer the card base flange caulking groove equal with the quantity of card base flange in the position corresponding to card base flange, this card base flange caulking groove matches with card base flange.

In another specific embodiment of the present invention, the lower end of described inner sleeve and be positioned on the outer wall of inner sleeve around inner sleeve circumferencial direction constitute have a matching seat flange caulking groove, an inner sleeve slot is offered on described inner sleeve matching seat and around the circumferencial direction of inner sleeve matching seat, and constitute around the circumferencial direction of inner sleeve slot on the cell wall of the side of this inner sleeve slot and have a matching seat flange, the lower end of described inner sleeve is inserted in described inner sleeve slot, and described matching seat flange matches with described matching seat flange caulking groove.

In another specific embodiment of the present invention, pharmacy jar at described inner sleeve matching seat overlaps in the cavity wall holding chamber and is fixed with a guide pin bushing mouth sealing ring around the circumferencial direction of cavity wall, described pharmacy jar set has a guide pin bushing mouth towards one end composition of inner sleeve matching seat, and this guide pin bushing mouth inserts the outer wall of described pharmacy jar set accommodation intracavity and this guide pin bushing mouth and coordinates with the sealing of described guide pin bushing mouth sealing ring.

In an also specific embodiment of the present invention, the guiding tube matching seat of described transition adapter sleeve offers a pair guiding tube card base groove, guiding tube card base groove is formed aspectant position relationship each other by this on guiding tube matching seat, the outer wall of described guiding tube is constituted and has a card base dish, this card base dish is constituted and has a pair matching seat mating cavity, matching seat mating cavity is formed aspectant position relationship each other by this on card base dish, and match with described guiding tube matching seat, respectively constitute on the inwall of a pair matching seat mating cavity and in the position corresponding to described guiding tube card base groove and have a guiding tube card base, guiding tube card base matches with guiding tube card base groove.

In more and in a specific embodiment of the present invention, being equipped with a guiding tube lid clamping ring, be connected to a guiding tube lid on this guiding tube lid clamping ring on the guiding tube matching seat of described transition adapter sleeve, this guiding tube lid matches with described guiding tube.

The present invention's and then in a specific embodiment, it is being provided with alignment pin slot towards spaced apart on the end face of described administration valve corresponding to described nozzle, described administration valve has a seat board, administration valve and described expiration valve block are arranged on this seat board towards upper side, described valve pocket is corresponding to the middle position of seat board, offering, on seat board and in the position corresponding to described alignment pin slot, the dowel hole that quantity is equal with alignment pin slot, the lower end of described guiding tube is connected with described transition adapter sleeve by dowel hole and alignment pin slot.

In the present invention again more and in a specific embodiment, constitute on the lower end surface of described guiding tube and in the position corresponding to described dowel hole and have the guiding tube alignment pin that quantity is equal with the quantity of dowel hole, be sequentially inserted into dowel hole and alignment pin slot by this guiding tube alignment pin and make the lower end of guiding tube be connected with transition adapter sleeve.

In again and then in a specific embodiment of the present invention, described administration valve and expiration valve block are made up of silicone rubber.

One of technique effect of technical scheme provided by the invention, owing to patient is when air-breathing is administered, the administration valve port of administration valve opens and valve block of exhaling is in the closed state to expiration valve port, medicament is successively from pharmacy jar set, inner sleeve, trocar sheath, nozzle, valve pocket, administration valve valve port, tube chamber dough-making powder cover hub cavity is guided to enter administration face shield, and then enter oral cavity and/or the nasal cavity of patient, when patient is when exhaling, administration valve port is in closure state and valve block of exhaling releases the closing to expiration valve port, the carbon dioxide breathed out in the patient is successively through being administered the administration face shield chamber of face shield, hub cavity, expiration valve port and guiding tube matching seat air vent enter the external world, because of without making mouth and nose leave aerosol can as prior art during patient expiration, thus successive administration requirement can be met and embodies the convenience of use；Two, owing to, in whole administration process, the mouth and nose of patient are in and the mated condition being administered face shield all the time, because of without causing medicament to waste because of operational error；Three, owing to overall structure is simple, thus not only manufacture and assembly are simple, and easy to operate；Four, owing to inner sleeve can regulate at the trocar sheath intracavity of trocar sheath, thus the big I in the space between the top of overcoat tube chamber and the upper surface of inner sleeve changes according to needing, thus adapting to the dosage change of the patient of different age group and different physical ability；Five, breathed with mouth owing to administration face shield not only can meet patient but also can meet with the requirement of nasal respiration, thus to administering mode without fastidious.

Accompanying drawing explanation

Fig. 1 is embodiments of the invention structure chart.

Fig. 2 is the schematic diagram that Fig. 1 structure is in air-breathing administration regime.

Fig. 3 is that Fig. 1 structure is in the schematic diagram exhaling and stopping administration regime.

Detailed description of the invention

In order to enable the auditor especially public of Patent Office to be more clearly understood from technical spirit and the beneficial effect of the present invention, applicant will elaborate below by way of example, but the description to embodiment is not all the restriction to the present invention program, any foundation pro forma but not substantial equivalent transformation that is only done by present inventive concept is regarded as technical scheme category.

The concept of every directivity (or claiming directionality) relating to upper and lower, left and right, front and rear is all for the figure location state being described in the following description, purpose is in that to facilitate public understanding, thus can not be understood as being particularly limited to technical scheme provided by the invention.

Embodiment:

Referring to Fig. 1, give the trocar sheath 1 of a cylindrical shape that plastic production is preferably used, the overcoat tube chamber 11 of this trocar sheath 1 is up/down perforation, say, that for simple trocar sheath 1, the top and bottom of this trocar sheath 1 are not closed.nullGive an inner sleeve 2，This inner sleeve 2 is arranged in the overcoat tube chamber 11 of aforementioned trocar sheath 1 up or down，And on the outer wall of this inner sleeve 2, it is provided with a sealing ring 21，This sealing ring 21 seals with the cavity wall of overcoat tube chamber 11 and coordinates，Inner sleeve 2 is made to play the effect just as piston tube for trocar sheath 1 by the setting of sealing ring 21，Then when the lower end of inner sleeve 2 leans out the degree change of overcoat tube chamber 11，Space 111(Fig. 2 and Fig. 3 formed between top and the upper surface of inner sleeve 2 of overcoat tube chamber 11 shows) size also respective change，Such as when the length that the lower end of inner sleeve 2 leans out the overcoat tube chamber 11 of trocar sheath 1 increases gradually，So between top and the upper end end face of inner sleeve 2 of overcoat tube chamber 11, produced space 111 just increases gradually，In、Overcoat tube chamber 22、Total volume of 11 just increases，Otherwise same example，It is thus possible to meet the adjustment requirement to dosage size，Confirm the dosage change requirement of the patient adapting to different age group and different physical ability said in the superincumbent technique effect hurdle of applicant.Give the inner sleeve matching seat 3 again preferably with plastic production, this inner sleeve matching seat 3 connects the lower end of i.e. inner sleeve 2 and coordinates with this inner sleeve matching seat 3 grafting in the position of the lower end corresponding to inner sleeve 2 with inner sleeve 2, and the middle position of this inner sleeve matching seat 3 is constituted has a pharmacy jar set accommodation chamber 31(pharmacy jar to be aforesaid MDI, as follows), this pharmacy jar set holds chamber 31 and communicates with the internal canula lumen 22 of inner sleeve 2.Give the transition adapter sleeve 4 that plastic production is preferably used, the bottom of this transition adapter sleeve 4 and trocar sheath 1 upper end connect, and the top composition of this transition adapter sleeve 4 has a guiding tube matching seat 41, constituting on the wall body of this guiding tube matching seat 41 and have the guiding tube matching seat air vent 411 communicated with the external world, the middle position of transition adapter sleeve 4 is constituted a nozzle 42 communicated with described overcoat tube chamber 11.In the present embodiment, aforesaid guiding tube matching seat air vent 411 has two, namely have a pair, these two guiding tube matching seat air vents 411 are separated by 180 ° around the circumferencial direction of guiding tube matching seat 41, say, that these two guiding tube matching seat air vents 411 form aspectant position relationship each other.Give preferably by plastic production and the guiding tube 5 that communicates with foregoing transition adapter sleeve 4, the lower end of this guiding tube 5 is connected with foregoing transition adapter sleeve 4 in the position corresponding to aforementioned nozzle 42, constitute on this guiding tube 5 and in the position corresponding to aforementioned guiding tube matching seat air vent 411 and have expiration valve port 51, as aforementioned, owing to guiding tube matching seat air vent 411 has two, thus the quantity of this expiration valve port 51 also should have two that keep aspectant position relationship each other mutually.Give the administration face shield 6 that plastic production is preferably used, this administration face shield 6 has a mask interface 61, this mask interface 61 coordinates with the grafting of aforesaid guiding tube 5, and the mask interface chamber 611 of this mask interface 61 communicates with the guiding tube chamber 54 of aforementioned guiding tube 5.By the signal of Fig. 2 and Fig. 3 it can be seen that the upper end of guiding tube 5 is inserted in hub cavity 611, make the outer wall of guiding tube 5 reliably seal with the inwall of hub cavity 611 and coordinate.Illustrate an administration valve 7, this administration valve 7 is arranged on guiding tube matching seat 41 in the position corresponding to aforementioned nozzle 42, the valve pocket 71 of this administration valve 7 communicates with nozzle 42, and the administration valve port 72 being administered valve 7 communicates with aforementioned guiding tube chamber 54, and constituting on this administration valve 7 and have expiration valve block 73, this expiration valve block 73 is corresponding between aforementioned expiration valve port 51 and described guiding tube matching seat air vent 411.Owing to the quantity of aforesaid guiding tube matching seat air vent 411 and outlet valve 51 is respectively arranged with two, therefore the quantity of aforesaid expiration valve block 73 also has two pieces.Giving the pharmacy jar set 8 adopting plastic production, this pharmacy jar set 8 holds chamber 31 plug with foregoing agents tank set and coordinates.

Understanding for the ease of the public, applicant also show an atomizing pharmacy jar 9 in FIG, this atomizing pharmacy jar 9 also can claim atomizing ampoule, and it is inserted in the pharmacy jar mantle cavity 82 of pharmacy jar set 8 in use with horizontally-arranged state, the nozzle 91 of atomizing pharmacy jar 9 is towards interior, namely towards the guide pin bushing mouth 81 of pharmacy jar 8.

Continuing to see Fig. 1, constituting in the upper end of aforementioned trocar sheath 1 has a transition adapter sleeve mating cavity 12, and the bottom of foregoing transition adapter sleeve 4 is connecting corresponding to the position of this transition adapter sleeve mating cavity 12 and the upper end of trocar sheath 1.Specifically: constituted with space state on the inwall of transition adapter sleeve mating cavity 12 and have the card base flange 121 being raised in inner wall surface, namely in the bottom of transition adapter sleeve 4 and offer the card base flange caulking groove 43 equal with the quantity of card base flange 121 in the position corresponding to card base flange 121, this card base flange caulking groove 43 matches with card base flange 121.In the drawings though it is shown that the quantity of card base flange 121 is two, but it is not exposed to this number quantitative limitation, it is possible to increase and decrease according to needing, when the quantity of card base flange 121 increases or reduces, then the quantity of card base flange caulking groove 43 also increases accordingly or reduces.

The lower end of aforementioned inner sleeve 2 and be positioned on the outer wall of inner sleeve 2 around inner sleeve 2 circumferencial direction constitute have a matching seat flange caulking groove 23, and offer an inner sleeve slot 32 on aforementioned inner sleeve matching seat 3 and around the circumferencial direction of inner sleeve matching seat 3, and constitute around the circumferencial direction of inner sleeve slot 32 on the cell wall of the side of this inner sleeve slot 32 and have a matching seat flange 321, the lower end of aforementioned inner sleeve 2 is inserted in inner sleeve slot 32, and matching seat flange 321 matches with matching seat flange caulking groove 23, so that inner sleeve 2 realizes coordinating (i.e. socket connection) with the grafting of inner sleeve matching seat 3.

As shown in Figure 1, pharmacy jar at front described inner sleeve matching seat 3 overlaps in the cavity wall holding chamber 31 and is fixed with a guide pin bushing mouth sealing ring 33 around the circumferencial direction of cavity wall, is formed in the guide pin bushing mouth 81 of foregoing agents tank set 8 one end towards inner sleeve matching seat 3 and inserts pharmacy jar set and hold in chamber 31 and the outer wall of this guide pin bushing mouth 81 coordinates with guide pin bushing mouth sealing ring 33 sealing.In the present embodiment, guide pin bushing mouth sealing ring 33 uses silicone rubber, is fixed on pharmacy jar set with adhering fixed mode and holds in the cavity wall in chamber 31.

The guiding tube matching seat 41 of foregoing transition adapter sleeve 4 offers a pair guiding tube card base groove 412, guiding tube card base groove 412 is formed aspectant position relationship each other by this on guiding tube matching seat 41, the outer wall of aforesaid guiding tube 5 is constituted and has a card base dish 52, this card base dish 52 is constituted and has a pair matching seat mating cavity 521, matching seat mating cavity 521 is formed aspectant position relationship each other by this on card base dish 52, and match with aforementioned guiding tube matching seat 41, respectively constitute on the inwall of a pair matching seat mating cavity 521 and in the position corresponding to aforementioned guiding tube card base groove 412 and have a guiding tube card base 5211, guiding tube card base 5211 matches with guiding tube card base groove 412.In order to support vectoring pipe matching seat 41 matches with a pair matching seat mating cavity 521, thus constitute on guiding tube matching seat 41 and have slot to make way 414.

Being equipped with a guiding tube lid clamping ring 413 on the guiding tube matching seat 41 of foregoing transition adapter sleeve 4, be connected to a guiding tube lid 4131 on this guiding tube lid clamping ring 413, this guiding tube lid 4131 matches with aforementioned guiding tube 5.After removing administration face shield 6, can be matched in the upper end of guiding tube lid 4131 with guiding tube 5, namely implement to close to the accent guiding tube chamber 54, on the contrary same example.

Still see Fig. 1, corresponding to nozzle 42 towards the alignment pin slot 421 being provided with semicircle arcuation spaced apart on the end face of aforementioned administration valve 7, aforementioned administration valve 7 has a seat board 74, administration valve 7 and aforesaid expiration valve block 73 are arranged on this seat board 74 towards upper side, aforementioned valve pocket 71 is corresponding to the middle position (medium pore) of seat board 74, the quantity dowel hole equal with alignment pin slot 421 741 is offered on seat board 74 and in the position corresponding to aforementioned alignment pin slot 421, the lower end of aforesaid guiding tube 5 is connected with foregoing transition adapter sleeve 4 by dowel hole 741 and alignment pin slot 421.Specifically: constitute on the lower end surface of guiding tube 5 and in the position corresponding to dowel hole 741 and have the guiding tube alignment pin 53 that quantity is equal with the quantity of dowel hole 741, be sequentially inserted into dowel hole 741 and alignment pin slot 421 by this guiding tube alignment pin 53 and make the lower end of guiding tube 5 be connected with transition adapter sleeve 4.In the present embodiment, the quantity of aforesaid alignment pin slot 421, dowel hole 741 and guiding tube alignment pin 53 is respectively arranged with four, and is equidistant intervals.

Preferably, aforesaid administration valve 7 and expiration valve block 73 are made up of silicone rubber.

Preferably, above mentioned plastics all use medical poisonless level PVC(polrvinyl chloride) plastics.

Application examples:

Refer to Fig. 2, when patient implements automedication, guiding tube lid 4131 is withdrawn in guiding tube 5 and in the state shown in Fig. 2, the mask interface 61 of administration face shield 6 is connected with guiding tube 5, atomizing pharmacy jar 9 is loaded in the pharmacy jar mantle cavity 82 of pharmacy jar set 8, and making the guide pin bushing mouth 81 of pharmacy jar set 8 overlap accommodation chamber 31 with the pharmacy jar of inner sleeve matching seat 3 to match, now, guide pin bushing mouth 81 is formed and seals by aforesaid guide pin bushing mouth sealing ring 33.nullThen by patient, administration face shield 6 cover is put the position of mouth and nose，That is the mouth of patient and nose are respectively positioned on the administration face shield intracavity of administration face shield 6，By the hands of patient, atomizing pharmacy jar 9 is overlapped promotion in 8 towards pharmacy jar simultaneously，When the nozzle 91 of atomizing pharmacy jar 9 touches the inwall of guide pin bushing mouth 81，Medicament in atomizing pharmacy jar 9 sprays from nozzle 91 with spray pattern，The medicament sprayed by nozzle 91 overlaps the guide pin bushing mouth 81 of 8 successively under patient breaths's state through pharmacy jar、The internal canula lumen 22 of inner sleeve 2、The overcoat tube chamber 11 of trocar sheath 1、The nozzle 42 of transition adapter sleeve 4、The valve pocket 71 of administration valve 7、Administration valve port 72、The guiding tube chamber 52 of guiding tube 5、The mask interface chamber 611 of mask interface 61 and the entrance patient oral cavity, administration face shield chamber of administration face shield 6 and/or nasal cavity (then enter oral cavity when breathing through one's mouth，Nasal cavity is then entered during with snuffing gas，During mouth nose air-breathing simultaneously，Then simultaneously enter oral cavity and nasal cavity)，Now，Expiration valve block 73 is in the closed state to expiration valve port 51，Thus completing an air-breathing administration，Medicament flows to arrow as shown in Figure 2 and discloses.

Ask for an interview Fig. 3, when patient is in expiration state, the administration valve port 72 of administration valve 7 closes, the carbon dioxide breathed out in the patient is successively through being administered the mask interface chamber 611 of the mask interface 61 of face shield 6, guiding tube chamber 52, expiration valve port 51 and nozzle matching seat air vent 411 to enter the external world, expiration valve block 73 now is in the closed state released expiration valve port 51, and the flow direction of the gas that gives off carbon dioxide in the patient arrow as shown in Figure 3 discloses.

The alternation procedure repeating above-mentioned air-breathing and expiration as desired just can complete required administration process.After administration completes, the finger of patient releases the pushing and withstanding to atomizing pharmacy jar 9, and nozzle 91 stops spray medicine, and administration face shield 6 can be withdrawn as required also can be held on guiding tube 5 in guiding tube 5(), then guiding tube lid 4131 is back on guiding tube 5.

In sum, technical scheme provided by the invention overcomes the deficiency in prior art, has favorably accomplished invention task, has cashed the technique effect referred in the superincumbent technique effect hurdle of applicant faithfully, and can yet be regarded as is a ultimate attainment technical scheme.

Claims

1.The telescopic fog-storage can structure of a kind of respiratory tract administration, it is characterised in that include a trocar sheath (1)；One inner sleeve (2), this inner sleeve (2) is arranged in the overcoat tube chamber (11) of trocar sheath (1) up or down, and on the outer wall of this inner sleeve (2), it is provided with a sealing ring (21), this sealing ring (21) seals with the cavity wall of described overcoat tube chamber (11) and coordinates, when the lower end of inner sleeve (2) leans out the degree change of described overcoat tube chamber (11), the size also respective change in the space (111) formed between top and the upper surface of inner sleeve (2) of overcoat tube chamber (11)；One inner sleeve matching seat (3), this inner sleeve matching seat (3) connects with inner sleeve (2) in the position of the lower end corresponding to described inner sleeve (2), and the middle position of this inner sleeve matching seat (3) is constituted has a pharmacy jar set to hold chamber (31), and this pharmacy jar set holds chamber (31) and communicates with the internal canula lumen (22) of inner sleeve (2)；One transition adapter sleeve (4), the upper end of the bottom of this transition adapter sleeve (4) and trocar sheath (1) connects, and the top composition of this transition adapter sleeve (4) has a guiding tube matching seat (41), constituting on the wall body of this guiding tube matching seat (41) and have guiding tube matching seat air vent (411) communicated with the external world, the middle position of transition adapter sleeve (4) is constituted a nozzle (42) communicated with described overcoat tube chamber (11)；One guiding tube (5) communicated with described transition adapter sleeve (4), the lower end of this guiding tube (5) is connected with described transition adapter sleeve (4) in the position corresponding to described nozzle (42), above and has expiration valve port (51) in the position composition corresponding to described guiding tube matching seat air vent (411) at this guiding tube (5)；One administration face shield (6), this administration face shield (6) has a mask interface (61), this mask interface (61) coordinates with described guiding tube (5) grafting, and the mask interface chamber (611) of this mask interface (61) communicates with the guiding tube chamber (54) of described guiding tube (5)；One administration valve (7), this administration valve (7) is arranged on guiding tube matching seat (41) in the position corresponding to described nozzle (42), the valve pocket (71) of this administration valve (7) communicates with nozzle (42), and the administration valve port (72) being administered valve (7) communicates with described guiding tube chamber (54), and having expiration valve block (73) in the upper composition of this administration valve (7), this expiration valve block (73) is corresponding between described expiration valve port (51) and described guiding tube matching seat air vent (411)；One pharmacy jar set (8), this pharmacy jar set (8) holds chamber (31) plug with described pharmacy jar set and coordinates.

2.The telescopic fog-storage can structure of respiratory tract administration according to claim 1, it is characterized in that constituting in the upper end of described trocar sheath (1) have transition adapter sleeve mating cavity (12), the bottom of described transition adapter sleeve (4) is connecting corresponding to the position of transition adapter sleeve mating cavity (12) and the upper end of trocar sheath (1).

3.The telescopic fog-storage can structure of respiratory tract administration according to claim 2, it is characterized in that being constituted with space state on the inwall of described transition adapter sleeve mating cavity (12) have the card base flange (121) being raised in inner wall surface, in the bottom of described transition adapter sleeve (4) and offer card base flange caulking groove (43) equal with the quantity of card base flange (121) in the position corresponding to card base flange (121), this card base flange caulking groove (43) matches with card base flange (121).

4.The telescopic fog-storage can structure of respiratory tract administration according to claim 1, it is characterized in that the lower end of described inner sleeve (2) and be positioned on the outer wall of inner sleeve (2) around inner sleeve (2) circumferencial direction constitute have matching seat flange caulking groove (23), upper described inner sleeve matching seat (3) and around inner sleeve matching seat (3) circumferencial direction offers an inner sleeve slot (32), and constitute around the circumferencial direction of inner sleeve slot (32) on the cell wall of the side of this inner sleeve slot (32) and have a matching seat flange (321), the lower end of described inner sleeve (2) is inserted in described inner sleeve slot (32), and described matching seat flange (321) is matched with described matching seat flange caulking groove (23).

5.The telescopic fog-storage can structure of respiratory tract administration according to claim 1, it is characterized in that overlapping in the cavity wall holding chamber (31) at the pharmacy jar of described inner sleeve matching seat (3) and being fixed with a guide pin bushing mouth sealing ring (33) around the circumferencial direction of cavity wall, described pharmacy jar set (8) has a guide pin bushing mouth (81) towards one end composition of inner sleeve matching seat (3), this guide pin bushing mouth (81) inserts in described pharmacy jar set accommodation chamber (31) and the outer wall of this guide pin bushing mouth (81) seals with described guide pin bushing mouth sealing ring (33) and coordinates.

6.nullThe telescopic fog-storage can structure of respiratory tract administration according to claim 1，It is characterized in that on the guiding tube matching seat (41) of described transition adapter sleeve (4), offer a pair guiding tube card base groove (412)，Guiding tube card base groove (412) is formed aspectant position relationship each other by this on guiding tube matching seat (41)，The outer wall of described guiding tube (5) is constituted and has a card base dish (52)，A pair matching seat mating cavity (521) is had in the upper composition of this card base dish (52)，Matching seat mating cavity (521) is formed aspectant position relationship each other by this on card base dish (52)，And match with described guiding tube matching seat (41)，Respectively constitute on the inwall of a pair matching seat mating cavity (521) and in the position corresponding to described guiding tube card base groove (412) and have a guiding tube card base (5211)，Guiding tube card base (5211) matches with guiding tube card base groove (412).

7.The telescopic fog-storage can structure of respiratory tract administration according to claim 1, it is characterized in that on the guiding tube matching seat (41) of described transition adapter sleeve (4), be equipped with guiding tube lid clamping ring (413), being connected to a guiding tube lid (4131) on this guiding tube lid clamping ring (413), this guiding tube lid (4131) matches with described guiding tube (5).

8.nullThe telescopic fog-storage can structure of respiratory tract administration according to claim 1，It is characterized in that being provided with alignment pin slot (421) corresponding to described nozzle (42) towards spaced apart on the end face of described administration valve (7)，Described administration valve (7) has a seat board (74)，Administration valve (7) and described expiration valve block (73) are arranged on this seat board (74) towards upper side，Described valve pocket (71) is corresponding to the middle position of seat board (74)，Above and offer, in the position corresponding to described alignment pin slot (421), the dowel hole (741) that quantity is equal with alignment pin slot (421) at seat board (74)，The lower end of described guiding tube (5) is connected with described transition adapter sleeve (4) by dowel hole (741) and alignment pin slot (421).

9.The telescopic fog-storage can structure of respiratory tract administration according to claim 8, it is characterized in that on the lower end surface of described guiding tube (5) and constitute in the position corresponding to described dowel hole (741) have the guiding tube alignment pin (53) that quantity is equal with the quantity of dowel hole (741), be sequentially inserted into dowel hole (741) and alignment pin slot (421) by this guiding tube alignment pin (53) and make the lower end of guiding tube (5) be connected with transition adapter sleeve (4).

10.The telescopic fog-storage can structure of the respiratory tract administration according to claim 1 or 8, it is characterised in that described administration valve (7) and expiration valve block (73) are made up of silicone rubber。