CN104623776B - The rotary single nasal aerosol vaccine spray gun of nozzle - Google Patents

Abstract

Rotatably single nasal aerosol vaccine spray gun is a kind of disposable micro medicine instrument being used for through nasal cavity dosed administration to nozzle, it can infect the administration apparatus of disease vaccine as various nasal aerosols.This instrument uses the contour structures of the additional rotary type nozzle of double cylinder, is internally provided with the glass medicine bottle of rubber bottle cap sealing, plug-in type syringe needle, there are three the sprinkler core of helix groove and spring, connecting tube, latex gasket, sealing rings etc. for band.Percussion portion housing be in Bidirectional locking state among product export and storage, and when use unlocks first, will fire body and rotate clockwise（45o~70 °）Until turning motionless, nozzle can adjust in 90 °~270 ° any angles, and nozzle is inserted into nasal cavity, and with the two finger pinching operation administrations of thumb and forefinger, liquid sprays once uniform fan mist.

Description

The rotary single nasal aerosol vaccine spray gun of nozzle

Technical field

Rotatably single nasal aerosol vaccine spray gun is infection prevention disease to nozzle, vaccine by nasal-cavity administration, The mini-medical instrument absorbed by nasal membrane.It can make the administration apparatus that various nasal aerosols infect disease vaccine.

Background technology

For decades, physianthropy science is developing rapidly, the work of infection prevention disease also achieve it is very big into Achievement wherein a critically important control means, which are exactly injection, infects disease vaccine, makes multiple infectious disease obtain effective control.Closely Multiple developed countries such as Nian Lai, the U.S., Germany have studied a kind of hurtless measure, no pain, the new way for infecting disease vaccine administration, lead to It crosses nasal-cavity administration, absorbed by nasal membrane, achieve preferable preventive effect.Nearly 2 years, Duo Jia medical research institutes of China The research work of nasal aerosol vaccine is also begun to, the drug effect of infectious disease aerosol vaccinating agent, pharmacological property, dose, carrier etc. are ground Study carefully work progress quickly, if however launch indispensability administration apparatus, also just promote nasal aerosol vaccine spray gun in this way Research and development.

Invention content

1st, according to the medication, dosage and requirement of nasal aerosol vaccine, the powder charge for calculating glass medicine bottle is held Amount, realizes single dosed administration.2nd, in the case where ensureing requirement, the miniature design of overall structure.The maximum packing of product Size is：37×26×18（mm）.3rd, injector head 360 deg rotating displaying, when use, may be selected（90 °~270 °）Any angle.4、 Device design has unlocking function when Bidirectional locking function and product use, and operating method is very easy.5th, using two fingers （Thumb, forefinger）Operate the nasal aerosol vaccine spray gun of administration.Description of the drawings:The contour structures three that Fig. 1 is the present invention regard Figure.Fig. 2 is the nozzle expanded schematic diagram of the present invention.Fig. 3 is the percussion portion housing contour structures three-view diagram of the present invention.Fig. 4 is this The gun body contour structures three-view diagram of invention.Fig. 5 is the nozzle connecting component contour structures three-view diagram of the present invention.Fig. 6 is the present invention Injector head contour structures three-view diagram.Fig. 7 is the sprinkler core contour structures three-view diagram of the present invention.The top view cross section that Fig. 8 is Fig. 7 is put Big figure.Fig. 9 is the internal structure elevation cross-sectional view of the present invention.Figure 10 is Fig. 9 partial enlargement locking bit schematic diagrames.Figure 11 is this hair Bright unlock schematic diagram.Figure 12 is the glass medicine bottle contour structures three-view diagram of the present invention.Figure 13 is outside the rubber bottle cap of the present invention Shape structure three-view diagram.In figure：1st, gun body, 2, nozzle connecting component, 3, percussion portion housing, 4, injector head, 5, glass medicine bottle, 6, medicine Bottle fixed seat, 7, spring, 8, rubber bottle cap, 9, locking convex line, 10, syringe needle, 11, gun body protecting cover, 12, latex gasket, 13, even It takes over, 14, sprinkler core, 15, sealing rubber ring, 16, V-shaped spiral groove, 17, nozzle.Specific embodiment:The purpose of the present invention is It is achieved, it includes external gun body, injector head, nozzle connector, gun body protecting cover, percussion portion housing, internal powder charge Vial, fluid sealant lid, plug-in type syringe needle, the sprinkler core with three V-shaped helix grooves and spring, latex gasket, sealing Cushion rubber, connecting tube.It is characterized in that it includes：A, injector head, nozzle connector, the sprinkler core with three V-shaped helix grooves, Rotatable 360 ° of the nozzle structure that latex gasket, sealing rubber ring, connecting tube form.B, percussion portion housing and powder charge vial The integral structure of composition.C, injector head, nozzle connector, gun body protecting cover, gun body, percussion portion housing, powder charge vial, fluid sealant Lid, plug-in type syringe needle, sprinkler core and spring, latex gasket, sealing rubber ring, connecting tube structure with three V-shaped helix grooves Into overall structure.D, the contour structures of injector head, nozzle connector, gun body, gun body protecting cover and percussion portion housing composition.This The purpose advantage of invention is that function is complete, small, easy to operate, is suitable as the delivery device that various nasal aerosols infect disease vaccine Tool.The present invention is described in further detail below in conjunction with the accompanying drawings.It is the contour structures of the present invention with reference to Fig. 1.Visible 4 sprays of Fig. 2 Penetrating head can be rotated by 360 °.Fig. 3 and Fig. 4 is percussion portion housing and the contour structures of gun body respectively.Their docking and assembling be, Three grooves of three protrusions alignment gun body of percussion portion upper part of the housing are inserted into, rotate clockwise an angle again later （5 °~45 °）, need to determine the left side that the half round cut on percussion portion housing should be in injector head before insertion.Fig. 5 is injection The contour structures of head and the connector of gun body, it is also a rebate members, and being connect with gun body is added using among the plug principle that rises Latex

Gasket.Fig. 6 is the contour structures of injector head, it is tightened together with Fig. 5 connectors by screw thread.Fig. 7 is spray The contour structures of head core, it is a cylinder, and external intermediate there are one semicircle groove is to place sealing rubber ring, there is one in vivo Three roads of a small sized pipeline point are led in vitro, see Fig. 8, the V-shaped slot for rotating 540 degree using three to cylinder top end.Fig. 9 is this The overall structure elevation cross-sectional view of invention, it is seen that 5 glass medicine bottles are inserted in 6 medicine bottle fixed seats, and when use selects and adjusts 4 first Then injector head angle rotates 3 percussion portion housings（45 °~70 °）To unlocked state, the two of spray gun are against with thumb and forefinger A circular flat is gently picked up, and 4 injector heads is inserted into a nasal cavity, two finger force pinchings complete administration process.By Fig. 9 As it can be seen that after 7 spring force is overcome, 10 syringe needles will penetrate 8 rubber bottle caps and enter in 5 glass medicine bottles, form syringe principle, Liquid will be sprayed by 10 syringe needles, 13 connecting tubes, 16 V-shaped spiral grooves and 17 nozzles under the action of power, and liquid forms covering of the fan spray It is misty.Figure 10 is the close-up schematic view of Fig. 9 Bidirectional locking states, three of percussion portion upper part of the housing during Bidirectional locking state Protrusion is clipped by inside and outside two convex lines, there was only external convex line during unlocked state, is seen Figure 11, is the unlocked state signal of the present invention Figure.Figure 12 and Figure 13 is the contour structures of glass medicine bottle and rubber bottle cap.

Claims (4)

1. the rotary single nasal aerosol vaccine spray gun of nozzle, it includes external gun body, injector head, nozzle connecting portion Part, gun body protecting cover, percussion portion housing, internal powder charge vial, fluid sealant lid, plug-in type syringe needle, with three V-shaped helixes The sprinkler core and spring of slot, latex gasket, sealing rubber ring, connecting tube；It is characterized in that it includes：A, injector head, nozzle connect Relay part, the sprinkler core with three V-shaped helix grooves, latex gasket, sealing rubber ring, connecting tube composition rotatable 360 ° Nozzle structure, b, percussion portion housing and powder charge vial composition integral structure, c, injector head, nozzle connecting component, gun body Protecting cover, gun body, percussion portion housing, powder charge vial, fluid sealant lid, plug-in type syringe needle, the nozzle with three V-shaped helix grooves The overall structure that core and spring, latex gasket, sealing rubber ring, connecting tube are formed, d, injector head, nozzle connecting component, rifle The contour structures of body, gun body protecting cover and percussion portion housing composition；Nozzle is located at the top of injector head, pacifies inside the injector head Equipped with the sprinkler core with three V-shaped helix grooves, the sealing rubber ring is positioned in the external groove of sprinkler core, the nozzle Core is connected with gun body by nozzle connecting component；Bottleneck of the connecting tube from the internal stretch of sprinkler core to powder charge vial Place, and the connection tube end positioned at the bottleneck upper end of powder charge vial is equipped with plug-in type syringe needle, the connecting tube passes through latex Gasket is fixed on the interface of nozzle connecting component and gun body；The gun body periphery is equipped with gun body protecting cover；The percussion portion Housing is connected with gun body by locking concave, and percussion portion housing bottom is equipped with medicine bottle fixed seat, and powder charge vial is mounted on In medicine bottle fixed seat, the bottle mouth position of powder charge vial is provided with rubber bottle cap；The spring is mounted on gun body and percussion portion shell The inside of body.

2. the rotary single nasal aerosol vaccine spray gun of nozzle according to claim 1, it is characterised in that：It is described to hit Hair portion housing is inserted into after gun body there are two types of state a, rotates clockwise 5 °~45 ° as Bidirectional locking state, b, continues rotation clockwise Turn 45 °~70 ° as percussion unlocked state, insurance is for use equal to opening.

3. the rotary single nasal aerosol vaccine spray gun of nozzle according to claim 1, it is characterised in that：The band The sprinkler core for having three V-shaped helix grooves includes：A, medicine liquid channel pipeline becomes three by one, b, three V-shaped helicla flute extensions To nozzle.

4. the rotary single nasal aerosol vaccine spray gun of nozzle according to claim 1, it is characterised in that：The spray The contour structures of the single nasal aerosol vaccine spray gun of head rotating form the nasal aerosol epidemic disease of two finger manipulation administrations Seedling spray gun.