CN209092429U - It is a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle - Google Patents

Abstract

The utility model discloses a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, drug storage chamber is arranged in device noumenon back, and drug storage chamber upper end is connected to dosing bucket, and extrusion chamber is arranged in device noumenon front end, check valve is arranged in drug storage chamber bottom, and check valve is connected to extrusion chamber；The drug storage chamber upper-end front is equipped with servo motor, and servo motor is fixedly connected with motor cabinet, and motor cabinet bolt is fixedly connected with drug storage chamber, and servo motor lower rotational connection screw thread bar.The device drives threaded rod positive and negative rotation that Step Shaft and piston head is driven to move up and down by servo motor, the piston head realization extrusion chamber moved up and down takes medicine and spray function, and when drug is squeezed, according to venturi ejector principle, drug is by tiny capillary siphunculus high speed ejection and is atomized into spray chamber, patient draws drug by bellows and breathing mask, convenient for treatment, make to take medicine and administration more accurate by screw-driven simultaneously, substantially increases the therapeutic effect of respiratory disorder.

Description

It is a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle

Technical field

The utility model relates to a kind of Medical Devices, the precisely administration of specifically a kind of division of respiratory disease based on venturi principle Device.

Background technique

Division of respiratory disease includes Respiratory Medicine and breathing surgery, all kinds of respiratory disorders usually occurs in season alternation period people, Common disease has klebsiellar pneumonia, pneumococcal pneumonia, pulmonary alveolar proteinosis, viral pneumonia, pulmonary actinomycosis , pure pulmonary infiltration eosinophilia, obstructive emphysema bronchiectasis, desquamative interstitial pneumonia, immune deficiency person Pneumonia, idiopathic bronchiolitis are greatly stranded with organized pneumonia etc. disease to people's lives work belt It disturbs.

Often relatively conventional using drug therapy in respiratory disorder therapeutic process at present, existing respiratory disorder drug is controlled Treating mostly is patient for medicine using drug delivery device, but existing drug delivery device is generally existing to take medicine and dosage not accurate enough, Syringe is mostly used to draw and injection drug greatly, it is firmly excessive or too small can all cause administration inaccurate using manually injecting The problem of.

Utility model content

The purpose of this utility model is to provide a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, with solution Certainly the problems mentioned above in the background art.

To achieve the above object, the utility model provides the following technical solutions:

It is a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, including device noumenon, drug storage chamber, extrusion chamber, Drug storage chamber, drug storage chamber is arranged in servo motor, threaded rod, sleeve, piston head, spray head and breathing mask, described device ontology back Upper end is connected to dosing bucket, and extrusion chamber is arranged in device noumenon front end, and check valve is arranged in drug storage chamber bottom, and check valve connection squeezes Room；The drug storage chamber upper-end front is equipped with servo motor, and servo motor is fixedly connected with motor cabinet, and motor cabinet bolt is fixedly connected with storage Coyote hole, and servo motor lower rotational connection screw thread bar, threaded rod upper bearing rotary connecting device ontology, threaded rod lower part spiral shell Line connects Step Shaft inner cavity, and Step Shaft is sleeved on sleeve, and multiple strip boss are arranged in Step Shaft outer surface, and sleeve interior surface is set Multiple grooves, sleeve fixed connection apparatus ontology are set, strip boss interval is embedded in groove；The Step Shaft lower end is fixedly connected Piston head, piston head sealing, which is slidably connected, squeezes chamber interior walls, and squeezes chamber outer wall and be equipped with observation window；The extrusion chamber bottom connection Multiple capillary siphunculus are arranged in spray head, nozzle surface, and spray head front end is connected to spray chamber, and spray chamber upper end diaphragm for passageway, ripple Pipe upper end is connected to breathing mask, and breathing mask two sides are respectively equipped with through-hole.

As a further solution of the present invention: the piston head is made using rubber material.

The servo motor wire connecting power and switch as a further solution of the present invention,.

The observation window is tempered glass material as a further solution of the present invention,.

Graduation apparatus is arranged in the extruding outdoor face as a further solution of the present invention,.

Described device body bottom portion two sides are respectively fixedly connected with supporting leg as a further solution of the present invention,.

Compared with prior art, the utility model has the beneficial effects that the device is driving threaded rod just by servo motor It inverts and then Step Shaft and piston head is driven to move up and down, the piston head realization extrusion chamber moved up and down takes medicine and spray function Can, and when drug is squeezed, according to venturi ejector principle, drug by tiny capillary siphunculus high speed ejection and be atomized into Enter in spray chamber, patient draws drug by bellows and breathing mask, convenient for treatment, while making to take medicine by screw-driven It is more accurate with being administered, substantially increase the therapeutic effect of respiratory disorder.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the accurate drug delivery device of division of respiratory disease based on venturi principle.

Fig. 2 is the cross-sectional view of division of respiratory disease Step Shaft and sleeve in accurate drug delivery device based on venturi principle.

Fig. 3 is the right view of division of respiratory disease spray head in accurate drug delivery device based on venturi principle.

In figure: 1- device noumenon；2- drug storage chamber；3- dosing bucket；4- supporting leg；5- extrusion chamber；6- check valve；7- servo electricity Machine；8- motor cabinet；9- threaded rod；10- Step Shaft；11- casing；12- piston head；13- graduation apparatus；14- spray head；15- bellows； 16- breathing mask；17- observation window.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Please refer to Fig. 1~3, in the utility model embodiment, a kind of precisely administration of the division of respiratory disease based on venturi principle Device, including device noumenon 1, drug storage chamber 2, extrusion chamber 5, servo motor 7, threaded rod 9, sleeve 11, piston head 12,14 and of spray head Breathing mask 16；Drug storage chamber 2 is arranged in 1 back of described device ontology, and 2 upper end of drug storage chamber is connected to dosing bucket 3,1 bottom of device noumenon Two sides are respectively fixedly connected with supporting leg 4, and extrusion chamber 5 is arranged in 1 front end of device noumenon, and check valve 6 is arranged in 2 bottom of drug storage chamber, unidirectionally Valve 6 is connected to extrusion chamber 5, adds medical fluid into drug storage chamber 2 by dosing bucket 3；2 upper-end front of drug storage chamber is equipped with servo motor 7,7 wire connecting power of servo motor and switch, servo motor 7 are fixedly connected with motor cabinet 8, and 8 bolt of motor cabinet is fixedly connected with storage Coyote hole 2, and 7 lower rotational connection screw thread bar 9 of servo motor, 9 upper bearing rotary connecting device ontology 1 of threaded rod, threaded rod 9 Lower thread connects 10 inner cavity of Step Shaft, and Step Shaft 10 is sleeved on sleeve 11, and 10 outer surface of the Step Shaft multiple strips of setting are convex Multiple grooves, 11 fixed connection apparatus ontology 1 of sleeve are arranged in platform, 11 inner surface of sleeve, and strip boss interval is embedded in groove, leads to It crosses strip boss and groove slide up and down Step Shaft 10 can along sleeve 11 and cannot rotate；10 lower end of Step Shaft It is fixedly connected with piston head 12, piston head 12 seals 5 inner wall of extrusion chamber that is slidably connected, and piston head 12 is made using rubber material, and 5 outer wall of extrusion chamber is equipped with observation window 17, and observation window 17 is tempered glass material, and 5 outer surface of extrusion chamber is arranged graduation apparatus 13, presses For switch so that servo motor 7 works, servo motor 7 can realize positive and negative rotation, and forward direction presses switch so that servo motor 7 drives spiral shell Rasp bar 9 rotates forward, and reversely presses switch so that threaded rod 9 inverts, the threaded rod 9 of rotation is under the double action of screw thread and sleeve 11 Driving Step Shaft 10 moves up and down, and when threaded rod 9 rotates forward, Step Shaft 10 is moved up, and the reversion of threaded rod 9 drives Step Shaft 10 to move down, The Step Shaft 10 moved up and down drives piston head 12 to follow and moves up and down.

5 bottom of extrusion chamber is connected to spray head 14, and multiple capillary siphunculus are arranged in 14 surface of spray head, and 14 front end of spray head is connected to mist Change room, and spray chamber upper end diaphragm for passageway 15,15 upper end of bellows is connected to breathing mask 16, and 16 two sides of breathing mask are set respectively There is through-hole, piston head 12 is located at 5 bottom of extrusion chamber and blocks check valve 6 when device noumenon 1 does not work, when needing to be administered, First forward direction presses switch so that piston head 12 moves up, and the medical fluid in drug storage chamber 2 flows into extrusion chamber 5 through check valve 6, due to spray head The capillary siphunculus on 14 surfaces is superfine, therefore medical fluid may not flow into spray chamber, observes extrusion chamber 5 by observation window 17 and graduation apparatus 13 Interior medical fluid liquid level takes medicine on demand, and threaded rod 9 drives and pipettes medicine on Step Shaft 10 and piston head 12, takes medicine slow, and screw-driven Precision is high, takes medicine accurate, reversely presses switch so that piston head 12 moves down, according to venturi ejector principle, utilizes compression empty Gas forms high-speed flow by tiny nozzle, and the negative pressure of generation drives liquid or other fluids to be ejected on obstacle together, Make drop become misty particle to surrounding splashing under high-speed impact to spray from escape pipe, medical fluid is in the case where the piston head 12 moved down acts on It is atomized into tiny misty medicine mist from the ejection of capillary siphunculus to enter in spray chamber, patient will be in spray chamber by wearing breathing mask 16 The sucking of medicine mist, and bellows 15 allows the activity of patient's small range, considerably increases comfort.

The working principle of the utility model is: add medical fluid into drug storage chamber 2 by dosing bucket 3, by strip boss and Groove slide up and down Step Shaft 10 can along sleeve 11 and cannot rotate, and servo motor 7 can realize positive and negative rotation, positive Switch is pressed so that the drive rotating forward of threaded rod 9 of servo motor 7, reversely presses switch so that the reversion of threaded rod 9, the threaded rod of rotation 9 drive Step Shaft 10 to move up and down under the double action of screw thread and sleeve 11, and when threaded rod 9 rotates forward, Step Shaft 10 is moved up, The reversion of threaded rod 9 drives Step Shaft 10 to move down, and the Step Shaft 10 moved up and down drives piston head 12 to follow and moves up and down, device sheet Piston head 12 is located at 5 bottom of extrusion chamber and blocks check valve 6 when body 1 does not work, and when needing to be administered, first forward direction presses switch So that piston head 12 moves up, the medical fluid in drug storage chamber 2 flows into extrusion chamber 5 through check valve 6, since the capillary on 14 surface of spray head is logical Manage superfine, therefore medical fluid may not flow into spray chamber, observes medical fluid liquid level in extrusion chamber 5 by observation window 17 and graduation apparatus 13, presses Medicine need to be taken, threaded rod 9 drives and pipettes medicine on Step Shaft 10 and piston head 12, takes medicine slow, and screw-driven precision is high, takes medicine Accurately, switch is reversely pressed so that piston head 12 moves down, and according to venturi ejector principle, passes through tiny nozzle using compressed air High-speed flow is formed, the negative pressure of generation drives liquid or other fluids to be ejected on obstacle together, to week under high-speed impact Enclosing splashing makes drop become misty particle from escape pipe ejection, and medical fluid is sprayed in the case where the piston head 12 moved down is acted on from capillary siphunculus It is atomized into tiny misty medicine mist to enter in spray chamber, patient sucks medicine mist in spray chamber by wearing breathing mask 16, and wave Line pipe 15 allows the activity of patient's small range, considerably increases comfort.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (6)

1. a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, including device noumenon (1), drug storage chamber (2), extruding Room (5), servo motor (7), threaded rod (9), sleeve (11), piston head (12), spray head (14) and breathing mask (16), feature It is, drug storage chamber (2) are arranged in described device ontology (1) back, and drug storage chamber (2) upper end is connected to dosing bucket (3), and device noumenon (1) check valve (6) are arranged in front end setting extrusion chamber (5), drug storage chamber (2) bottom, and check valve (6) is connected to extrusion chamber (5)；The storage Coyote hole (2) upper-end front is equipped with servo motor (7), and servo motor (7) is fixedly connected motor cabinet (8), and motor cabinet (8) bolt is fixed It connects drug storage chamber (2), and servo motor (7) lower rotational connection screw thread bar (9), threaded rod (9) upper bearing rotation connection dress It sets ontology (1), threaded rod (9) lower thread connects Step Shaft (10) inner cavity, and Step Shaft (10) is sleeved on sleeve (11), and step Multiple strip boss are arranged in axis (10) outer surface, and multiple grooves, sleeve (11) fixed connection apparatus is arranged in sleeve (11) inner surface Ontology (1), strip boss interval are embedded in groove；Step Shaft (10) lower end is fixedly connected with piston head (12), piston head (12) extrusion chamber (5) inner wall that is slidably connected is sealed, and extrusion chamber (5) outer wall is equipped with observation window (17)；Extrusion chamber (5) bottom It is connected to spray head (14), multiple capillary siphunculus are arranged in spray head (14) surface, and spray head (14) front end is connected to spray chamber, and spray chamber upper end Diaphragm for passageway (15), bellows (15) upper end are connected to breathing mask (16), and breathing mask (16) two sides are respectively equipped with through-hole.

2. according to claim 1 a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, which is characterized in that The piston head (12) is made using rubber material.

3. according to claim 1 a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, which is characterized in that Servo motor (7) wire connecting power and switch.

4. according to claim 1 a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, which is characterized in that The observation window (17) is tempered glass material.

5. according to claim 4 a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, which is characterized in that Graduation apparatus (13) are arranged in extrusion chamber (5) outer surface.

6. according to claim 1 a kind of based on the accurate drug delivery device of the division of respiratory disease of venturi principle, which is characterized in that Described device ontology (1) two sides of the bottom are respectively fixedly connected with supporting leg (4).