CN214912005U

CN214912005U - Aerosol drug delivery device triggered by pure mechanical type air suction

Info

Publication number: CN214912005U
Application number: CN202121136907.2U
Authority: CN
Inventors: 邱晓峰; 金益
Original assignee: Shanghai Ruisi Biotechnology Co ltd
Current assignee: Shanghai Ruisi Biotechnology Co ltd
Priority date: 2021-05-26
Filing date: 2021-05-26
Publication date: 2021-11-30
Anticipated expiration: 2031-05-26

Abstract

A purely mechanical inhalation-triggered aerosol delivery device comprising a lower housing (1) and a mouthpiece (5), characterized in that: casing (2) are installed to the upper end of casing (1) down, the lower part of casing (1) is provided with piston chamber (4) down, spout (5) have been seted up to the outer end of piston chamber (4), install piston (6) in piston chamber (4), be provided with movable bayonet lock mount pad on the outer wall of casing (1) down, movable bayonet lock (9) are installed to the inside spout hole of movable bayonet lock mount pad, trigger bar (14) are installed through rotating connecting axle (13) to the side of activity bayonet lock (9), and the one end of trigger bar (14) is connected with piston connecting seat (7), the utility model discloses rational in infrastructure, can automatic triggering when breathing in, guaranteed to breathe in and dose synchronous, greatly made things convenient for different crowds' use, reached fine disease treatment.

Description

Aerosol drug delivery device triggered by pure mechanical type air suction

Technical Field

The utility model relates to an aerosol device of dosing especially relates to a pure mechanical type inhales aerosol device of dosing that triggers, belongs to medical instrument technical field.

Background

At present, the effective treatment of respiratory diseases such as asthma, chronic obstructive pulmonary disease and the like can adopt a treatment mode of inhaling the medical aerosol, and the medical aerosol has the advantages of small volume, convenient carrying, active injection, high cost performance and the like, so that the common administration mode for clinically treating the chronic respiratory diseases is adopted. The existing aerosol administration device generally adopts a manual triggering mode, and the correct use method comprises the following steps: the nozzle is contained in the mouth, after the air is breathed out to the residual capacity, the air is slowly and stably deeply breathed, meanwhile, the trigger medicine tank is manually pressed to release the medicine, then the air is held for 5 to 10 seconds, and finally the air is breathed out. Because the aerosol medicine is sprayed at a very high speed, the medicine can enter the lung more effectively only by ensuring that the inhalation and the hand-pressing actions are synchronous and the hand and the mouth are coordinated. The most difficult point of aerosol use is that the guidelines for inhalation devices at home and abroad indicate that the matching of hands and mouths is the most difficult point, and especially the great challenge is brought to the use of the old, infants and other patients with poor coordination ability of organisms, so that the compliance of the patients with the medicine and the treatment effect of diseases are poor. The technical problem is solved by lacking an aerosol administration device which is reasonable in structure, convenient to use and capable of automatically triggering during inspiration.

Disclosure of Invention

The utility model aims at having the aerosol device of dosing to current need manual triggering, inhale the while of breathing in deeply and manually press and trigger the medicinal cupping and release the medicine, hardly guarantee to breathe in and the hand is according to the action synchronous, the operation degree of difficulty is great, the not good defect of result of use and not enough, a rational in infrastructure is provided at present, can automatic triggering when breathing in, guaranteed to breathe in and dose in step, greatly made things convenient for different crowds' use, it is very convenient to use, a pure mechanical type that has reached fine disease treatment effect breathes in the aerosol device of dosing that triggers.

In order to achieve the above object, the technical solution of the present invention is: a purely mechanical inhalation-triggered aerosol delivery device comprising a lower housing and a mouthpiece, characterized in that: a medicine tank placing cavity is formed in the lower shell, an upper shell is installed at the upper end of the lower shell, an extruding mechanism which is acted with the tank bottom of the medicine tank is installed at the inner side of the upper shell, a piston cavity is formed in the lower portion of the lower shell, a nozzle is formed in the outer end of the piston cavity, a piston is installed in the piston cavity, a piston connecting seat is fixedly arranged on the surface, close to the inner side, of the piston, a movable clamping pin installing seat is arranged on the outer wall of the lower shell, a movable clamping pin is installed in a sliding groove hole in the movable clamping pin installing seat, a limiting boss corresponding to the medicine tank is arranged on one side, close to the medicine tank placing cavity, of the movable clamping pin, a reset spring is installed between the outer end of the movable clamping pin and the inner wall of the movable clamping pin installing seat, a trigger rod is installed on the side face of the movable clamping pin through a rotating connecting pin, one end of the trigger rod is connected with the piston connecting seat, and the other end of the trigger rod is installed in a matching manner with a first fixing pin, the rotating connecting pin is connected with one end of a manual trigger rod, a manual button is fixedly arranged on the outer side of the other end of the manual trigger rod, a second fixing pin is arranged on the outer side of the middle of the manual trigger rod and close to one side of the lower shell, and the second fixing pin is fixed on the outer wall of the lower shell.

Further, the extrusion mechanism includes spring fixing base, spring and medicinal cupping extrusion seat, and the inboard upper end of going up the casing is connected with the upper end of spring through the spring fixing base, and the lower extreme fixed mounting of spring has the medicinal cupping extrusion seat that corresponds with the bottom of medicinal cupping.

Furthermore, the end of the lower shell, close to the medicine tank spray pipe of the medicine tank placing cavity, is provided with a medicine spraying channel, the medicine spraying channel is communicated with the piston cavity, and the medicine tank spray pipe is connected with the medicine spraying channel.

Furthermore, a counter is arranged on the lower shell and is connected with the movable clamping pin or the trigger rod.

Furthermore, the outside of the piston cavity is provided with a baffle ring which can limit the piston.

Furthermore, a piston cavity notch through which the aerosol can pass is formed in the inner wall of the piston cavity, which is close to one side of the baffle ring, and the piston cavity notch is communicated with the nozzle.

Further, the limit boss corresponds to the edge of one end, located on the spray pipe, of the medicine tank, and the lower end of the limit boss and the side, close to the medicine tank, of the limit boss are arranged to be an inclined plane or an arc surface.

The utility model has the advantages that:

1. the utility model discloses a breathe trigger device that triggers, install the piston in the piston cavity, the people can make the both sides of piston can have the pressure differential when breathing deeply again, and the piston can move to the outside under the effect of atmospheric pressure difference to drive the action of trigger lever, and then drive movable bayonet lock release medicinal cupping, make aerosol spout from the medicinal cupping spray tube.

2. The utility model discloses rational in infrastructure, can the automatic triggering when breathing in, the spirit is bright, has guaranteed to breathe in and has dosed in step, has greatly made things convenient for different crowds' use, and it is very convenient to use, has reached fine disease treatment.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the trigger assembly of the present invention.

Fig. 3 is a state diagram of the trigger assembly of the present invention.

Fig. 4 is a schematic structural view of the movable bayonet lock of the present invention.

In the figure: lower casing 1, go up casing 2, the chamber 3 is placed to the medicinal cupping, piston chamber 4, spout 5, piston 6, piston connecting seat 7, fender ring 8, activity bayonet lock 9, spacing boss 10, reset spring 11, piston chamber notch 12, rotation connecting pin 13, trigger bar 14, first fixed pin 15, manual trigger bar 16, manual button 17, second fixed pin 18, spring fixing base 19, spring 20, medicinal cupping extrusion seat 21, medicinal cupping 22, medicinal cupping spray tube 23.

Detailed Description

The invention is described in further detail below with reference to the following description of the drawings and the detailed description.

Referring to fig. 1 to 4, the utility model discloses a pure mechanical type inhales aerosol drug delivery device that triggers, including casing 1 and spout 5 down, its characterized in that: a medicine tank placing cavity 3 is formed in the lower shell 1, a medicine tank 22 is arranged in the medicine tank placing cavity 3, an upper shell 2 is arranged at the upper end of the lower shell 1, an extruding mechanism which is acted with the tank bottom of the medicine tank 22 is arranged on the inner side of the upper shell 2, a piston cavity 4 is arranged at the lower part of the lower shell 1, a nozzle 5 is arranged at the outer end of the piston cavity 4, a piston 6 is arranged in the piston cavity 4, a piston connecting seat 7 is fixedly arranged on the surface of the piston 6 close to the inner side, a movable clamping pin mounting seat is arranged on the outer wall of the lower shell 1, a movable clamping pin 9 is arranged in an inner sliding groove hole of the movable clamping pin mounting seat, a limiting boss 10 corresponding to the medicine tank 22 is arranged on one side of the movable clamping pin 9 close to the medicine tank placing cavity 3, a reset spring 11 is arranged between the outer end of the movable clamping pin 9 and the inner wall of the movable clamping pin mounting seat, and a trigger rod 14 is arranged on the side of the movable clamping pin 9 through a rotating connecting pin 13, one end of the trigger rod 14 is connected with the piston connecting seat 7, the other end of the trigger rod 14 is installed in a matching mode with the first fixing pin 15, the rotating connecting pin 13 is further connected with one end of the manual trigger rod 16, a manual button 17 is fixedly arranged on the outer side of the other end of the manual trigger rod 16, a second fixing pin 18 is arranged on the outer side of the middle of the manual trigger rod 16 and close to one side of the lower shell 1, and the second fixing pin 18 is fixed on the outer wall of the lower shell 1.

The extrusion mechanism comprises a spring fixing seat 19, a spring 20 and a medicine tank extrusion seat 21, the upper end of the inner side of the upper shell 2 is connected with the upper end of the spring 20 through the spring fixing seat 19, and the lower end of the spring 20 is fixedly provided with the medicine tank extrusion seat 21 corresponding to the bottom of the medicine tank 22.

The one end that casing 1 is close to the medicinal cupping placing cavity 3's medicinal cupping spray pipe 23 down has seted up spouts the medicine passageway, spouts the medicine passageway and is linked together with piston chamber 4, medicinal cupping spray pipe 23 with spout the medicine passageway and be connected.

The lower shell 1 is provided with a counter which is connected with a movable bayonet 9 or a trigger rod 14.

And a baffle ring 8 for limiting the piston 6 is arranged on the outer side of the piston cavity 4.

And a piston cavity notch 12 through which the aerosol can pass is formed in the inner wall of the piston cavity 4 close to one side of the baffle ring 8, and the piston cavity notch 12 is communicated with the nozzle 5.

The limit boss 10 corresponds to the edge of one end of the medicine pot nozzle 23 of the medicine pot 22, and the lower end of the limit boss 10 and the side close to the medicine pot 22 are arranged to be an inclined plane or an arc surface.

Referring to fig. 1 and 2, the casing structure of the present invention mainly comprises a lower casing 1 and an upper casing 2, the upper end of the lower casing 1 is provided with the upper casing 2 through a threaded connection or a clamping connection, and the upper casing 2 is convenient to install and disassemble. The medicine tank is arranged in the lower shell 1 and is placed in the cavity 3, the medicine tank is placed in the cavity 3 and is provided with the medicine tank 22, the medicine tank 22 is provided with the medicine tank spray pipe 23 communicated with the inner cavity of the medicine tank, the medicine tank 22 is filled with aerosol for treating chronic respiratory diseases, after the aerosol in the medicine tank 22 is used up, the upper shell 2 is detached, and the medicine tank 22 is replaced with a new one.

The inner side of the upper shell 2 is provided with an extrusion mechanism which is acted with the bottom of the medicine tank 22, and the extrusion mechanism can adopt various structural forms. For example, the extruding mechanism comprises a spring fixing seat 19, a spring 20 and a medicine pot extruding seat 21, the upper end of the inner side of the upper shell 2 is connected with the upper end of the spring 20 through the spring fixing seat 19, the lower end of the spring 20 is fixedly provided with the medicine pot extruding seat 21 corresponding to the bottom of the medicine pot 22, and the medicine pot extruding seat 21 exerts certain pressure on the spring 20 from the bottom of the medicine pot 22, so that the aerosol is sprayed out. The upper end of the spring 20 can be directly connected and fixed at the upper end of the inner side of the upper shell 2, and the lower end of the spring 20 is fixedly provided with a medicine pot extrusion seat 21.

Be provided with movable bayonet lock mount pad on the outer wall of lower casing 1, the inside of movable bayonet lock mount pad is seted up and is slided the slotted hole mutually perpendicular with the axis of medicinal cupping 22, and downthehole movable bayonet lock 9 that installs of inside spout, movable bayonet lock 9 can carry out the slip of making a round trip of certain limit in inside spout. Install reset spring 11 between the outer end of activity bayonet lock 9 and the inner wall of activity bayonet lock mount pad, the utility model discloses reset spring 11 extends the state when not using, and reset spring 11 can be with activity bayonet lock 9 towards the extrusion of medicinal cupping 22 one side. One side that cavity 3 was placed to movable bayonet lock 9 is close to the medicinal cupping is provided with spacing boss 10, and spacing boss 10 is located the marginal correspondence of medicinal cupping spray tube 23 one end with medicinal cupping 22, and when not triggering, the marginal just in time top of medicinal cupping 22 is on spacing boss 10, and only after triggering, the marginal just break away from spacing boss 10 of medicinal cupping 22. The lower end of the limiting boss 10 and the side close to the medicine tank 22 are provided with an inclined plane or an arc surface, so that when the medicine tank 22 is reset reversely, the edge of the medicine tank 22 can smoothly slide on the inclined plane or the arc surface.

The lower part of lower casing 1 is provided with piston chamber 4, and spout 5 has been seted up to the outer end in piston chamber 4, installs piston 6 in the piston chamber 4, and when the people held the time that spout 5 breathed in with the mouth, there is pressure differential piston 6's both sides can be, and piston 6 can move to the outside along piston chamber 4 under the effect of atmospheric pressure differential. The surface of the piston 6 close to the inner side is fixedly provided with a piston connecting seat 7, and the piston connecting seat 7 is used for being connected with a trigger rod 14. The side of the movable bayonet lock 9 is provided with a trigger bar 14 through a rotating connecting pin 13, the rotating connecting pin 13 is positioned between a first fixing pin 15 and the piston connecting seat 7, the trigger bar 14 is a straight bar, an arc bar or a folded bar with a certain corner, and the specific shape of the trigger bar 14 is determined according to the relative position between the piston 6 and the rotating connecting pin 13.

The one end of trigger bar 14 is connected with piston connecting seat 7, the other end and the first fixed pin 15 cooperation installation of trigger bar 14, for example let the outer wall of trigger bar 14 press close to first fixed pin 15, make trigger bar 14 can carry out the swing of certain angle around first fixed pin 15, can also let trigger bar 14 install under on casing 1 through rotating the connecting piece, when piston 6 moves to the outside, can drive trigger bar 14 and rotate certain angle around first fixed pin 15 or rotation connecting piece, and then trigger bar 14 drives movable bayonet lock 9 and removes to the one side of keeping away from medicinal cupping 22, the edge of medicinal cupping 22 breaks away from movable bayonet lock 9, medicinal cupping 22 extrudees under spring 20's effect, aerosol is from medicinal cupping spray tube 23 blowout. The utility model discloses can also adopt the mode of manual direct pressing to carry out manual triggering, rotate connecting pin 13 and still be connected with manual trigger bar 16's one end, manual trigger bar 16's the fixed manual button 17 that is provided with in the other end outside. A second fixing pin 18 is arranged at one side of the manual trigger lever 16 close to the lower casing 1 and outside the middle of the manual trigger lever, and the second fixing pin 18 is fixed on the outer wall of the lower casing 1. When the manual button 17 is pressed manually, the second fixing pin 18 serves as a middle rotating fulcrum of the manual trigger rod 16, and when the manual trigger rod 16 rotates around the second fixing pin 18, according to the lever principle, the manual trigger rod 16 can drive the movable clamping pin 9 to move towards one side far away from the medicine tank 22, so that the aerosol is sprayed out of the medicine tank spray pipe 23.

The end of the lower shell 1 close to the medicine tank spray pipe 23 of the medicine tank placing cavity 3 is provided with a medicine spraying channel which is communicated with the piston cavity 4, and the medicine tank spray pipe 23 is connected with the medicine spraying channel. The inner wall of the piston cavity 4 close to one side of the baffle ring 8 is provided with a piston cavity notch 12 for aerosol to pass through, and the piston cavity notch 12 is communicated with the nozzle 5. Besides, a counter is arranged on the lower shell 1 and is connected with the movable clamping pin 9 or the trigger rod 14, the number of times of spraying can be recorded through the counter, and a user can know the used number and the approximate number of times of using at any time.

The above description is for further details of the present invention, and the embodiments of the present invention are not limited to these descriptions, and for those skilled in the art to which the present invention pertains, the modifications and replacements should be considered as belonging to the protection scope of the present invention without departing from the concept of the present invention.

Claims

1. A purely mechanical inhalation-triggered aerosol delivery device comprising a lower housing (1) and a mouthpiece (5), characterized in that: a medicine tank placing cavity (3) is formed in the lower shell (1), an upper shell (2) is installed at the upper end of the lower shell (1), an extruding mechanism which acts with the tank bottom of a medicine tank (22) is installed on the inner side of the upper shell (2), a piston cavity (4) is arranged at the lower part of the lower shell (1), a nozzle (5) is formed in the outer end of the piston cavity (4), a piston (6) is installed in the piston cavity (4), a piston connecting seat (7) is fixedly arranged on the surface of the piston (6) close to the inner side, a movable clamping pin mounting seat is arranged on the outer wall of the lower shell (1), a movable clamping pin (9) is installed in an inner sliding groove hole of the movable clamping pin mounting seat, a limiting boss (10) corresponding to the medicine tank (22) is arranged on one side of the movable clamping pin (9) close to the medicine tank placing cavity (3), and a reset spring (11) is installed between the outer end of the movable clamping pin (9) and the inner wall of the movable clamping pin mounting seat, the side of activity bayonet lock (9) is installed trigger lever (14) through rotating connecting pin (13), the one end of trigger lever (14) is connected with piston connecting seat (7), the other end and first fixed pin (15) of trigger lever (14) cooperate the installation, perhaps trigger lever (14) are installed on casing (1) down through rotating the connecting piece, it still is connected with the one end of manual trigger lever (16) to rotate connecting pin (13), the fixed manual button (17) that is provided with in the other end outside of manual trigger lever (16), the middle part outside of manual trigger lever (16) and be close to one side of casing (1) down are provided with second fixed pin (18), second fixed pin (18) are fixed on the outer wall of casing (1) down.

2. A purely mechanical inhalation-triggered aerosol delivery device according to claim 1, wherein: the extrusion mechanism comprises a spring fixing seat (19), a spring (20) and a medicine tank extrusion seat (21), the upper end of the inner side of the upper shell (2) is connected with the upper end of the spring (20) through the spring fixing seat (19), and the lower end of the spring (20) is fixedly provided with the medicine tank extrusion seat (21) corresponding to the bottom of the medicine tank (22).

3. A purely mechanical inhalation-triggered aerosol delivery device according to claim 1, wherein: the one end that casing (1) is close to medicinal cupping placing cavity (3) medicinal cupping spray pipe (23) down has seted up spouts the medicine passageway, spouts the medicine passageway and is linked together with piston chamber (4), medicinal cupping spray pipe (23) with spout the medicine passageway and be connected.

4. A purely mechanical inhalation-triggered aerosol delivery device according to claim 1, wherein: the lower shell (1) is provided with a counter, and the counter is connected with the movable bayonet lock (9) or the trigger rod (14).

5. A purely mechanical inhalation-triggered aerosol delivery device according to claim 1, wherein: and a baffle ring (8) for limiting the piston (6) is arranged on the outer side of the piston cavity (4).

6. A purely mechanical inhalation-triggered aerosol delivery device according to claim 1, wherein: the inner wall of one side of the piston cavity (4) close to the baffle ring (8) is provided with a piston cavity notch (12) through which the aerosol can pass, and the piston cavity notch (12) is communicated with the nozzle (5).

7. A purely mechanical inhalation-triggered aerosol delivery device according to claim 1, wherein: the edge that spacing boss (10) and medicinal cupping jar (22) are located medicinal cupping jar spray tube (23) one end is corresponding, and the lower extreme of spacing boss (10) just is close to medicinal cupping jar (22) one side and sets up to inclined plane or arc surface.