CN202459643U - Needless injector - Google Patents

Needless injector Download PDF

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Publication number
CN202459643U
CN202459643U CN2012200455554U CN201220045555U CN202459643U CN 202459643 U CN202459643 U CN 202459643U CN 2012200455554 U CN2012200455554 U CN 2012200455554U CN 201220045555 U CN201220045555 U CN 201220045555U CN 202459643 U CN202459643 U CN 202459643U
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CN
China
Prior art keywords
syringe
liquid medicine
cylinder
needleless injector
medicinal liquid
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Expired - Fee Related
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CN2012200455554U
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Chinese (zh)
Inventor
冷家波
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Individual
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Individual
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Priority to CN2012200455554U priority Critical patent/CN202459643U/en
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Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a needless injector, comprising a liquid medicine storage device, a liquid medicine delivery device and a handheld injector, wherein the liquid medicine delivery device is provided with a pneumatic device which provides high-pressure pushing force for the liquid medicine delivery device; a liquid medicine suction port of the liquid medicine delivery device is connected with the liquid medicine storage device through a pipeline, and a liquid medicine discharge port of the liquid medicine delivery device is connected with the handheld injector; and a free end of a piston rod of a cylinder in the pneumatic device is arranged in a syringe of the liquid medicine delivery device, and forms dynamic seal with the syringe.. Under the action of the high-pressure pushing force of the piston rod of the cylinder, the syringe sucks the liquid medicine from the liquid medicine storage device and delivers the liquid medicine to the handheld injector, the handheld injector instantly sprays the liquid medicine into body tissues, and one injection process is completed at every trigger, so the defects of complicated operation and impossible continuous injection of the existing needless injector are overcome.

Description

A kind of needleless injector
Technical field
This utility model belongs to medical instruments field, is specifically related to a kind of needleless injector for people or treatment of animals use.
Background technology
Traditional pin that has is injected, and through the acupuncture prick skin, slowly medicinal liquid is pushed the injection that body tissue is accomplished.This kind injection, several kinds of problems below often existing: relatively concentrated behind the medicinal liquid entering body tissue, to the whole body diffusion slowly, be unfavorable for the fast Absorption of human body or animal body; The pin injection is arranged, and the injection site forms pustule easily, makes by the injector usually to feel fear and pain.Like collective's epidemic prevention of large-scale cultivation field, replacing syringe needle that must be frequent has promptly strengthened the cross infection risk between the animal, has increased cost, has reduced production efficiency, time-consuming taking a lot of work.
Needleless injection; Claim jet injection, pulse injection again; Be a kind of highly sensitive injection tool, it has overcome the shortcoming that the pin injection is arranged, through clinical trial many times; Prove its can effectively solve efficient low, absorb numerous drawback phenomenons such as slow, injury, broken needle, cross infection, Carnis Sus domestica abscess, and assimilation effect is higher than traditional pin injection that has.
Because Needleless injection has numerous advantages such as easy to use, injection safety, painless, good absorbing effect, make its application in field such as aspect clinical treatment, family health care and animal cultivation extensive day by day.Needleless injection is as a kind of novel skin drug administration mode; Through on skin, stamping a micropore; Directly through skin and corresponding organized layer, carry that fragment of tissue enters into the solution of injection point 0.1-2ml and be non-infringement, greatly reduce the spread of germs probability of skin surface, simultaneously; Avoid losing at last dirty syringe needle and injected material, reduced hazardous waste, do not destroyed environment.
Some needleless injectors that occurred on the market in use, need earlier it to be seated in the special-purpose box that resets, and move the compression spring then by hand, and the powerful impulsive force of utilizing spring to discharge is with the injecting liquid drug entering body tissue of ampoule bottle; If will continue injection, then must replace ampoule bottle, compress spring again; Spring of every compression can only be injected once.Obviously, use this syringe to waste time and energy, complex operation, and can not continuous operation.
The utility model content
The utility model provides a kind of needleless injector, through cocking, under pneumatic means high pressure thrust, hand-held sprayer sprays into body tissue inside with medicine moment, has solved the deficiency of existing needleless injector complex operation.
The technical scheme of this utility model is: a kind of needleless injector comprises reservoir, medicinal liquid conveyer device and medicinal liquid is sprayed into the inner hand-held sprayer of body tissue; Promising its of above-mentioned medicinal liquid conveyer device configuration provides the pneumatic means of high pressure thrust; The liquid sucting port end of said medicinal liquid conveyer device is connected with reservoir through pipeline, and the leakage fluid dram end of medicinal liquid conveyer device is connected with hand-held sprayer through pipeline.
Further, above-mentioned pneumatic means comprises cylinder and high-pressure air source, and the connecting line of cylinder and high-pressure air source is provided with control valve.
Further, above-mentioned medicinal liquid conveyer device comprises syringe, and syringe is communicated with above-mentioned liquid sucting port end, leakage fluid dram end respectively; Between syringe and the liquid sucting port end, and syringe and leakage fluid dram end between be respectively arranged with check valve; The free end of said cylinder piston rod places syringe inner, and forms movable sealing with syringe.
Further, the top of above-mentioned syringe is provided with a catheter, and an end of this catheter is the liquid sucting port end, and the other end is the leakage fluid dram end; The nozzle of syringe be positioned at the intermediary liquid in-out mouth of above-mentioned catheter and be communicated with.
Further, above-mentioned syringe disposes the syringe sleeve, and syringe is positioned on the telescopic end cap of syringe, and the telescopic other end of syringe is connected the cylinder leading section.
Further, the telescopic end cap of above-mentioned syringe is provided with neck bush, and neck bush is connected with the syringe bush whorl.
Further, the junction of above-mentioned syringe sleeve and cylinder leading section is provided with a fastening swivel nut, and fastening swivel nut forms limiting section, is threaded with the cylinder leading section with syringe sleeve junction.
Further, above-mentioned hand-held sprayer comprises an ejector cavity, trigger, and an end of ejector cavity is connected with the leakage fluid dram end of medicinal liquid conveyer device through pipeline, and the other end is provided with jet blower; Be electrically connected between trigger and the above-mentioned control valve.
Further, above-mentioned cylinder is the stroke adjustable cylinder; Control valve is an electromagnetic valve, by accumulator or the power supply of 12V external power supply.
Further, above-mentioned high-pressure air source is compressed air gas cylinder or dioxide bottle.
The utility model has the advantages that: needleless injector; Contact is at skin surface; Through utilizing powerful thrust that pneumatic means produces that medicinal liquid moment is sprayed into body tissue inside; Elimination has infection, the reaction of minimizing injection point and the tissue injury that acupuncture brings in the pin injection, has significantly reduced the generation of cross infection; Can be handling strong, through cocking, make electromagnetic valve work, under pneumatic means high pressure thrust, hand-held sprayer is accomplished injection process, whenever pulls trigger one time, promptly accomplishes a shot, and then realizes the continuous injection process of needleless injector; Cylinder adopts the stroke adjustable cylinder, is convenient to effectively regulate ID; The syringe outside is provided with the double shielding structure that is threaded and is formed by syringe sleeve and neck bush, has increased the intensity of pressure of bearing of syringe, simultaneously, and the syringe convenience for washing; Needleless injector, the injection cost reduces, and has reduced the waste material that produces because of syringe needle production, use, has strengthened environmental conservation.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment this utility model is described further:
Fig. 1 is the structural representation of a kind of needleless injector in this utility model.
Fig. 2 is the cutaway view of the medicinal liquid conveyer device of a kind of embodiment in this utility model.
Fig. 3 is the cutaway view of the medicinal liquid conveyer device of another embodiment in this utility model.
Wherein, 1-reservoir, 20-liquid sucting port end, 21-leakage fluid dram end, 22-syringe, 23-catheter, 30-cylinder, 31-electromagnetic valve, 32-high-pressure air source, 4-syringe sleeve, the fastening swivel nut of 5-, 60-ejector cavity, 61-trigger, 62-jet blower, 7-neck bush, 8-accumulator.
The specific embodiment
Embodiment 1
In conjunction with Fig. 1,2, a kind of needleless injector comprises reservoir 1, medicinal liquid conveyer device and hand-held sprayer; Reservoir 1 is used to store medicinal liquid; The medicinal liquid conveyer device is provided with liquid sucting port end 20, leakage fluid dram end 21, and wherein, the liquid sucting port end is communicated with reservoir through pipeline, and the leakage fluid dram end is connected with hand-held sprayer through pipeline; Said medicinal liquid conveyer device disposes a pneumatic means; For it provides high pressure thrust, under the high pressure thrust, the medicinal liquid conveyer device is delivered to hand-held sprayer with medicinal liquid through the leakage fluid dram end; Hand-held sprayer is injected into body tissue inside with medicinal liquid moment, accomplishes injection process.
Pneumatic means comprises cylinder 30 and high-pressure air source 32, and as preferably, cylinder 30 is selected the adjustable cylinder of stroke for use, is convenient to ID is controlled; The connecting line of cylinder and high-pressure air source is provided with electromagnetic valve 31, and the air inlet end of electromagnetic valve is communicated with high-pressure air source, and the gas outlet end of electromagnetic valve is communicated with the air inlet end of cylinder, and wherein, electromagnetic valve 31 is by accumulator 8 or the power supply of 12V external power supply; High-pressure air source 32 can be selected compressed air gas cylinder or dioxide bottle for use, also can select air compressor for use.
The medicinal liquid conveyer device comprises syringe 22, and syringe is communicated with above-mentioned liquid sucting port end 20, leakage fluid dram end 21 respectively; Between syringe and the liquid sucting port end, be respectively arranged with check valve between syringe and the leakage fluid dram end, guarantee that medicinal liquid can only be inhaled into syringe from liquid sucting port end 20, be delivered to hand held injector from leakage fluid dram end 21 through pipeline then; The free end of cylinder 30 piston rods places syringe inner, forms movable sealing with syringe 22.
Further, the syringe top is provided with a catheter 23, and an end of catheter is a liquid sucting port end 20, and the other end is a leakage fluid dram end 21; Be provided with a liquid in-out mouth in the middle part of catheter, the nozzle of syringe is communicated with this liquid in-out mouth.
Syringe disposes syringe sleeve 4, and an end of syringe sleeve 4 is provided with end cap, and syringe 22 is positioned on this end cap, and the other end is connected the leading section of cylinder 30; The junction of syringe sleeve and cylinder leading section is provided with a fastening swivel nut 5, and wherein, fastening swivel nut 5 forms limiting section, is threaded with the cylinder leading section with syringe sleeve 4 junctions.4 pairs of syringes of syringe sleeve play protection, position-limiting action.
Hand-held sprayer comprises an ejector cavity 60, trigger 61, and an end of ejector cavity is connected with the leakage fluid dram end 21 of medicinal liquid conveyer device through pipeline, and the other end is provided with jet blower 62; Be electrically connected between trigger and the above-mentioned electromagnetic valve.
Embodiment 2
In conjunction with Fig. 1,3, remove in embodiment 1, increase by a neck bush 7 on the end cap of syringe sleeve 4, neck bush is with outside the syringe bush whorl is connected, and all the other technical schemes and embodiment 1 are identical.
The increase of neck bush 7 makes that syringe and syringe sleeve are separable, makes things convenient for the cleaning of syringe; Simultaneously, neck bush and syringe sleeve have increased the telescopic steadiness of syringe to the double shielding structure that syringe forms.
Certainly, above-mentioned explanation is not to be the restriction to this utility model, this utility model also be not limited in above-mentioned for example, the variation that the technical staff in present technique field is made in the essential scope of this utility model also should belong to the protection domain of this utility model.

Claims (10)

1. needleless injector is characterized in that: comprise reservoir, medicinal liquid conveyer device and medicinal liquid is sprayed into the inner hand-held sprayer of body tissue; Promising its of above-mentioned medicinal liquid conveyer device configuration provides the pneumatic means of high pressure thrust; The liquid sucting port end of said medicinal liquid conveyer device is connected with reservoir through pipeline, and the leakage fluid dram end of medicinal liquid conveyer device is connected with hand-held sprayer through pipeline.
2. a kind of needleless injector according to claim 1 is characterized in that: said pneumatic means comprises cylinder and high-pressure air source, and the connecting line of cylinder and high-pressure air source is provided with control valve.
3. a kind of needleless injector according to claim 1 and 2 is characterized in that: said medicinal liquid conveyer device comprises syringe, and syringe is communicated with above-mentioned liquid sucting port end, leakage fluid dram end respectively; Between syringe and the liquid sucting port end, and syringe and leakage fluid dram end between be respectively arranged with check valve; The free end of said cylinder piston rod places syringe inner, and forms movable sealing with syringe.
4. a kind of needleless injector according to claim 3 is characterized in that: the top of said syringe is provided with a catheter, and an end of catheter is the liquid sucting port end, and the other end is the leakage fluid dram end; The nozzle of syringe be positioned at the intermediary liquid in-out mouth of above-mentioned catheter and be communicated with.
5. a kind of needleless injector according to claim 3 is characterized in that: said syringe disposes the syringe sleeve, and syringe is positioned on the telescopic end cap of syringe, and the telescopic other end of syringe is connected the cylinder leading section.
6. a kind of needleless injector according to claim 5 is characterized in that: the telescopic end cap of said syringe is provided with neck bush, and neck bush is connected with the syringe bush whorl.
7. a kind of needleless injector according to claim 6 is characterized in that: the junction of said syringe sleeve and cylinder leading section is provided with a fastening swivel nut, and fastening swivel nut forms limiting section, is threaded with the cylinder leading section with syringe sleeve junction.
8. a kind of needleless injector according to claim 3; It is characterized in that: said hand-held sprayer comprises an ejector cavity, trigger; One end of ejector cavity is connected with the leakage fluid dram end of medicinal liquid conveyer device through pipeline, and the other end is provided with jet blower; Be electrically connected between trigger and the above-mentioned control valve.
9. a kind of needleless injector according to claim 2 is characterized in that: said cylinder is the stroke adjustable cylinder; Control valve is an electromagnetic valve, by accumulator or the power supply of 12V external power supply.
10. a kind of needleless injector according to claim 9 is characterized in that: said high-pressure air source is compressed air gas cylinder or dioxide bottle.
CN2012200455554U 2012-02-13 2012-02-13 Needless injector Expired - Fee Related CN202459643U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200455554U CN202459643U (en) 2012-02-13 2012-02-13 Needless injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200455554U CN202459643U (en) 2012-02-13 2012-02-13 Needless injector

Publications (1)

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CN202459643U true CN202459643U (en) 2012-10-03

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CN2012200455554U Expired - Fee Related CN202459643U (en) 2012-02-13 2012-02-13 Needless injector

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CN (1) CN202459643U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103230633A (en) * 2013-04-12 2013-08-07 肖长正 Continuous needleless injector pressurized by reducing cylinder
CN107478457A (en) * 2017-08-10 2017-12-15 李庆燕 A kind of clinical laboratory sample collection feeding device for inspection
CN108042234A (en) * 2017-12-29 2018-05-18 卢乐 Ox abomasal displacement operation repositor with disinfection wire box
CN108042235A (en) * 2017-12-29 2018-05-18 卢乐 A kind of ox abomasal displacement operation repositor of built-in collection line wheel
CN108158693A (en) * 2017-12-29 2018-06-15 卢乐 Ox abomasal displacement operation repositor
CN109011032A (en) * 2018-07-30 2018-12-18 佛山科学技术学院 The de-watering apparatus of needleless injector
CN109646808A (en) * 2018-12-20 2019-04-19 广州美锐健康产业股份有限公司 A kind of smooth power and pure oxygen combination therapy device and treatment method
CN113662702A (en) * 2021-08-26 2021-11-19 山东省畜产品质量安全中心(山东省畜禽屠宰技术中心) Poultry medicine injection device

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103230633A (en) * 2013-04-12 2013-08-07 肖长正 Continuous needleless injector pressurized by reducing cylinder
CN107478457A (en) * 2017-08-10 2017-12-15 李庆燕 A kind of clinical laboratory sample collection feeding device for inspection
CN107478457B (en) * 2017-08-10 2019-10-25 李庆燕 A kind of clinical laboratory's sample acquisition feeding device for inspection
CN108042234A (en) * 2017-12-29 2018-05-18 卢乐 Ox abomasal displacement operation repositor with disinfection wire box
CN108042235A (en) * 2017-12-29 2018-05-18 卢乐 A kind of ox abomasal displacement operation repositor of built-in collection line wheel
CN108158693A (en) * 2017-12-29 2018-06-15 卢乐 Ox abomasal displacement operation repositor
CN108042234B (en) * 2017-12-29 2019-11-08 苏州南师大科技园投资管理有限公司 Ox abomasal displacement operation repositor with disinfection wire box
CN108042235B (en) * 2017-12-29 2019-11-26 苏州南师大科技园投资管理有限公司 A kind of ox abomasal displacement operation repositor of built-in collection line wheel
CN108158693B (en) * 2017-12-29 2020-01-03 李东 Cow abomasum left displacement operation restorer
CN109011032A (en) * 2018-07-30 2018-12-18 佛山科学技术学院 The de-watering apparatus of needleless injector
CN109646808A (en) * 2018-12-20 2019-04-19 广州美锐健康产业股份有限公司 A kind of smooth power and pure oxygen combination therapy device and treatment method
CN113662702A (en) * 2021-08-26 2021-11-19 山东省畜产品质量安全中心(山东省畜禽屠宰技术中心) Poultry medicine injection device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121003

Termination date: 20150213

EXPY Termination of patent right or utility model