CN105498047A - Low-pressure needle-free injection device - Google Patents

Low-pressure needle-free injection device Download PDF

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Publication number
CN105498047A
CN105498047A CN201610022741.9A CN201610022741A CN105498047A CN 105498047 A CN105498047 A CN 105498047A CN 201610022741 A CN201610022741 A CN 201610022741A CN 105498047 A CN105498047 A CN 105498047A
Authority
CN
China
Prior art keywords
injection
needleless
vent plug
needle
power unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610022741.9A
Other languages
Chinese (zh)
Inventor
孙溢
俞麟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Medical International Technologies (jiangsu) Co Ltd
Original Assignee
Medical International Technologies (jiangsu) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Medical International Technologies (jiangsu) Co Ltd filed Critical Medical International Technologies (jiangsu) Co Ltd
Priority to CN201610022741.9A priority Critical patent/CN105498047A/en
Publication of CN105498047A publication Critical patent/CN105498047A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/30Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules
    • A61M5/3007Syringes for injection by jet action, without needle, e.g. for use with replaceable ampoules or carpules with specially designed jet passages at the injector's distal end
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61HPHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2205/00Devices for specific parts of the body
    • A61H2205/02Head
    • A61H2205/022Face
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M2005/3114Filling or refilling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2202/00Special media to be introduced, removed or treated
    • A61M2202/04Liquids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M2205/00General characteristics of the apparatus
    • A61M2205/19Constructional features of carpules, syringes or blisters

Abstract

The invention discloses a low-pressure needle-free injection device. The low-pressure needle-free injection device comprises a needle-free injector body, a power unit and a power supplying device. The needle-free injector body comprises a disposable nozzle, a needle-free injection gun tube and a needle-free injector end. The power unit comprises an injection pushing rod arranged in an injection channel, a magnetic pushing rod and a reverse air plug. By means of the low-pressure needle-free injection device of the structure, the whole injection process does not need to be operated by professional persons, the injection safety is guaranteed, and full-automatic operation of the whole injection process is achieved; dosages are fixed through the device, pressure is adjusted by adjusting a nut, medicine liquid is pushed to flow through a disposable injection head with the wee hole diameter, generated high-pressure liquid beams puncture the surface of the skin, and the medicine liquid is injected into the body to achieve injection; medicine or biological agents is/are injected into target tissues with the method, continuous operation can be carried out, and the traditional needle injection mode is replaced.

Description

A kind of low pressure Needleless injection device
Technical field
The present invention relates to a kind of low pressure Needleless injection device, refer more particularly to a kind of high load capacity Needleless injection device instantaneously.
Background technology
At present, the existing needleless injector in China market applies to human or animal body injection mostly, and its injection difficulty is little, become the injection system that consumer is easy to accept, especially when the soft injection location of human body face, its injection accuracy requirement is higher, existing, beauty industry injection needs manual operations, and its operator have to pass through professional training and just can inject, and inject time is longer, in addition, existing syringe dosage is held inaccurate, and need estimate according to personnel's experience, its safety is not high.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of by disposable injection head generation high pressure liquid bundle skin puncture surface, medicinal liquid is injected in vivo the low pressure Needleless injection device realizing injection, this injection device realizes fixing low dose of, full-automatic injecting injection, whole injection process safety, according to adjustment pressure, medicine or biological preparation can be expelled to target setting tissue by syringe.
In order to solve the problems of the technologies described above, the invention provides a kind of low pressure Needleless injection device, it comprises needleless injector body, power unit and power supply device;
Described needleless injector body comprises disposable nozzle, Needleless injection gun barrel and needleless injector end, injection port is provided with between described disposable nozzle and Needleless injection gun barrel, described injection port and the clamping of disposable nozzle phase, described injection port and Needleless injection gun barrel are connected by nut and form an injection canal, described injection port one end is provided with check valve, described needleless injector end and Needleless injection gun barrel are structure as a whole, an infusion channel is provided with in described needleless injector end, described infusion channel is connected with injection canal, described needleless injector end is connected with syringe by joint component,
Described power unit comprises and is arranged at injection putter in injection canal, magnetic push rod and reverse vent plug, and described injection putter is fixedly connected with magnetic push rod by wheel flange, and described power unit one end is provided with swivelling cover;
Described power supply device comprises the air hose, air accumulator, the air compressor machine and foot-operated that are connected with swivelling cover afterbody, described air hose and air accumulator, air compressor machine, rides and is connected and carries out pressure adjustment by regulator.
Described needleless injector body is fixedly connected with power unit screw thread and connects.
Preferably, described power unit periphery is coated with hand-held protection overcoat, is arranged with chuck outside described hand-held protection overcoat, and described hand-held protection overcoat is threaded with chuck.
Preferably, be provided with vent plug bolt between described magnetic push rod and oppositely vent plug, described reverse vent plug is fixedly connected with vent plug bolt, and described reverse vent plug drives vent plug bolt to do horizontal movement in axis, described magnetic push rod and vent plug bolt suitable.
Preferably, described needleless injector end is fixedly connected with joint component, is provided with piston in described joint component, and described piston one end is provided with overhead-valve pad, and overlapping between described piston and overhead-valve pad has liquid valve spring.
Preferably, the passage that described disposable nozzle comprises injection head, taper injects end and exhaustjet liquid extends, described injection head end is provided with injection micropore; Described check valve side is provided with front valve gasket.
After the present invention adopts this low pressure Needleless injection device, its beneficial effect is:
A kind of low pressure Needleless injection device of the present invention, it comprises needleless injector body, power unit and power supply device, described needleless injector body comprises disposable nozzle, Needleless injection gun barrel and needleless injector end, described power unit comprises and is arranged at injection putter in injection canal, magnetic push rod and reverse vent plug, described power supply device comprises the air hose be connected with swivelling cover afterbody, air accumulator, air compressor machine and foot are stepped on, when opening power supply device valve, regulate the knob on air relief valve, when stepping on foot-operated, magnetic push rod can back down by the air inlet of reverse vent plug afterbody by gas in air hose is by syringe, magnetic push rod drives injection putter to move ahead, medicinal liquid in gun barrel is promoted away, medicinal liquid is provided by the syringe connected on Needleless injection gun barrel, the thrust flicked instantaneously by magnetic push rod promotes the micropore of medicinal liquid through disposable injection head front end, form high pressure liquid stream to inject.Unclamp foot-operated while gas in syringe can be got rid of by the return-air hole on reverse vent plug, and complete the filling of liquid medicine injection next time thus inject continuously, whole injection process operates without the need to professional, reach trick to work in coordination with, not easily form cut, guarantee injection safety, full-automatic operation all over, this device low dose controls at 0.1-0.8ml, fixed dosage, pressure is adjusted by adjusting nut, the disposable injection head in a tiny aperture is flowed through again by promoting medicinal liquid, produce high pressure liquid bundle skin puncture surface, medicinal liquid is injected in vivo and realizes injection, medicine or biological preparation are expelled to destination organization by syringe by this method, often step on a foot pedal apparatus and realize a shot, unclamp after completing a shot foot-operated while, complete the filling of liquid medicine injection next time, continued operation can be carried out, instead of traditional needle injection mode, this device is single use, avoid cross infection.
Accompanying drawing explanation
Fig. 1 is low pressure Needleless injection device sectional view of the present invention.
Fig. 2 is the injection fundamental diagram of low pressure Needleless injection device of the present invention.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail, can not be interpreted as it is limitation of the present invention;
As shown in Figure 1, a kind of low pressure Needleless injection device, it comprises needleless injector body 1, power unit 2 and power supply device 3, described needleless injector body 1 is fixedly connected with power unit 2 screw thread and connects, described needleless injector body 1 comprises disposable nozzle 101, Needleless injection gun barrel 102 and needleless injector end 103, described disposable nozzle 101 comprises injection head 113, taper injects the passage 115 of end 114 and the extension of exhaustjet liquid, described injection head 113 end is provided with injection micropore 116, injection port 104 is provided with between described disposable nozzle 101 and Needleless injection gun barrel 102, described injection port 104 and the clamping of disposable nozzle 101 phase, described injection port 104 and Needleless injection gun barrel 102 are connected by nut 105 and form an injection canal 106, described injection port 104 one end is provided with check valve 107, described check valve 107 side is provided with front valve gasket 117, described needleless injector end 103 is structure as a whole with Needleless injection gun barrel 102, an infusion channel 108 is provided with in described needleless injector end 103, described infusion channel 108 is connected with injection canal 106, described needleless injector end 103 is connected with syringe by joint component 109, described needleless injector end 103 is fixedly connected with joint component 109, is provided with piston 110 in described joint component 109, and described piston 110 one end is provided with overhead-valve pad 111, and overlapping between described piston 110 and overhead-valve pad 111 has liquid valve spring 112.
Described power unit 2 comprises and is arranged at injection putter 201 in injection canal, magnetic push rod 202 and reverse vent plug 203, and described injection putter 201 is fixedly connected with magnetic push rod 202 by wheel flange 204, and described power unit 2 one end is provided with swivelling cover 205; Vent plug bolt 205 is provided with between described magnetic push rod 202 and reverse vent plug 203, described reverse vent plug 203 is fixedly connected with vent plug bolt 205, described reverse vent plug 203 drives vent plug bolt 205 in axially doing horizontal movement, and described magnetic push rod 202 is suitable with vent plug bolt 205; Described power unit 2 periphery is coated with hand-held protection overcoat 4, is arranged with chuck 5 outside described hand-held protection overcoat 4, and described hand-held protection overcoat 4 is threaded with chuck 5.
Described power supply device 3 comprises the air hose 301, air accumulator 302, the air compressor machine 303 and foot-operated 304 that are connected with swivelling cover afterbody, and described air hose 301 is connected with air accumulator 302, air compressor machine 303, foot-operated 304 and carries out pressure adjustment by regulator 305.
Swivelling cover 205 is connected with air hose 301, air hose 301 is connected with power set, power set are air accumulator 302 and air compressor machine 303, pressure adjustment is carried out by regulator, when opening power set valve, regulate the knob on air relief valve, when stepping on foot-operated 304, reverse vent plug 203 afterbody is provided with air inlet, magnetic push rod 202 can be backed down by air inlet through air hose 301 by gas, magnetic push rod 202 drives injection putter 201 to move ahead, medicinal liquid in Needleless injection gun barrel 102 is promoted away, medicinal liquid is provided by the syringe connected on Needleless injection gun barrel 102, the thrust flicked instantaneously by magnetic push rod 202 promotes the micropore 116 of medicinal liquid through disposable injection head front end, form high pressure liquid stream to inject, the gas unclamped while foot-operated 304 in syringe can be got rid of by the return-air hole on reverse vent plug 203, and complete the filling of liquid medicine injection next time thus inject continuously.
As shown in Figure 2, open air compressor machine or gas cylinder valve, regulate pressure to required operating pressure (60psi-150psi), follow sterile working's principle and injection putter is inserted syringe, gun barrel is inserted syringe along injection putter level hold part and screw, again injection port is aimed at gun barrel to insert, use injection port nut, the injection tube extracting normal saline is connected gun barrel, limit promotes injection tube limit and steps on foot-operated, two actions are carried out simultaneously, spray twice or thrice continuously until the liquid of ejection is vaporific, then guarantee that the air in syringe clears; Take off the injection tube that normal saline is housed, change required medicinal liquid, the normal saline that continuous injection clears in syringe for three times, disposable injection head is installed on injection port can inject, guarantee during injection that the end face of injection head touches in vertical with injection surface, for single use, avoid cross infection.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (7)

1. a low pressure Needleless injection device, is characterized in that: it comprises needleless injector body (1), power unit (2) and power supply device (3);
Described needleless injector body (1) comprises disposable nozzle (101), Needleless injection gun barrel (102) and needleless injector end (103), injection port (104) is provided with between described disposable nozzle (101) and Needleless injection gun barrel (102), described injection port (104) and disposable nozzle (101) phase clamping, described injection port (104) and Needleless injection gun barrel (102) are connected by nut (105) and form an injection canal (106), described injection port (104) one end is provided with check valve (107), described needleless injector end (103) and Needleless injection gun barrel (102) are structure as a whole, an infusion channel (108) is provided with in described needleless injector end (103), described infusion channel (108) is connected with injection canal (106), described needleless injector end (103) is connected with syringe by joint component (109),
Described power unit (2) comprises and is arranged at injection putter in injection canal (201), magnetic push rod (202) and reverse vent plug (203), described injection putter (201) is fixedly connected with magnetic push rod (202) by wheel flange (204), and described power unit (2) one end is provided with swivelling cover (205);
Described power supply device (3) comprise be connected with swivelling cover afterbody air hose (301), air accumulator (302), air compressor machine (303) and foot-operated (304), described air hose (301) and air accumulator (302), air compressor machine (303), ride (304) and be connected and carry out pressure adjustment by regulator (305).
2. low pressure Needleless injection device according to claim 1, is characterized in that: described needleless injector body (1) is fixedly connected with power unit (2) screw thread and connects.
3. low pressure Needleless injection device according to claim 1; it is characterized in that: described power unit (2) periphery is coated with hand-held protection overcoat (4); be arranged with chuck (5) outside described hand-held protection overcoat (4), described hand-held protection overcoat (4) is threaded with chuck (5).
4. low pressure Needleless injection device according to claim 1, it is characterized in that: between described magnetic push rod (202) and reverse vent plug (203), be provided with vent plug bolt (205), described reverse vent plug (203) is fixedly connected with vent plug bolt (205), described reverse vent plug (203) drives vent plug bolt (205) in axially doing horizontal movement, and described magnetic push rod (202) is suitable with vent plug bolt (205).
5. low pressure Needleless injection device according to claim 1, it is characterized in that: described needleless injector end (103) is fixedly connected with joint component (109), piston (110) is provided with in described joint component (109), described piston (110) one end is provided with overhead-valve pad (111), and overlapping between described piston (110) and overhead-valve pad (111) has liquid valve spring (112).
6. low pressure Needleless injection device according to claim 1, it is characterized in that: the passage (115) that described disposable nozzle (101) comprises injection head (113), taper injects end (114) and exhaustjet liquid extends, described injection head (113) end is provided with injection micropore (116).
7. low pressure Needleless injection device according to claim 1, is characterized in that: described check valve (107) side is provided with front valve gasket (117).
CN201610022741.9A 2016-01-14 2016-01-14 Low-pressure needle-free injection device Pending CN105498047A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610022741.9A CN105498047A (en) 2016-01-14 2016-01-14 Low-pressure needle-free injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610022741.9A CN105498047A (en) 2016-01-14 2016-01-14 Low-pressure needle-free injection device

Publications (1)

Publication Number Publication Date
CN105498047A true CN105498047A (en) 2016-04-20

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297001A (en) * 2017-08-02 2017-10-27 江苏丞宇米特医疗科技有限公司 A kind of fixed dosage single injection gas-driven needle-less syringe
CN107308525A (en) * 2017-08-02 2017-11-03 江苏丞宇米特医疗科技有限公司 A kind of adjustable single of dosage takes out medicine multiple injection gas-driven needle-less syringe
CN110124157A (en) * 2019-06-03 2019-08-16 江苏丞宇米特医疗科技有限公司 Double pressure needleless injectors
CN115245609A (en) * 2021-07-27 2022-10-28 苏州瀚诺馨生物科技有限公司 Disposable aseptic syringe needle

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102178990A (en) * 2010-01-08 2011-09-14 江苏华兰米特医疗科技有限公司 Needleless injector
CN203447589U (en) * 2013-09-13 2014-02-26 江苏丞宇米特医疗科技有限公司 Special nozzle for needleless injector
CN103619383A (en) * 2011-04-04 2014-03-05 艾迪国际研发有限公司 Needleless injector wand assembly
CN203861700U (en) * 2014-05-14 2014-10-08 苏州大学张家港工业技术研究院 Pneumatic magnetic energy storage type needleless injector
CN205287126U (en) * 2016-01-14 2016-06-08 江苏丞宇米特医疗科技有限公司 Low pressure needle -free injection device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102178990A (en) * 2010-01-08 2011-09-14 江苏华兰米特医疗科技有限公司 Needleless injector
CN103619383A (en) * 2011-04-04 2014-03-05 艾迪国际研发有限公司 Needleless injector wand assembly
CN203447589U (en) * 2013-09-13 2014-02-26 江苏丞宇米特医疗科技有限公司 Special nozzle for needleless injector
CN203861700U (en) * 2014-05-14 2014-10-08 苏州大学张家港工业技术研究院 Pneumatic magnetic energy storage type needleless injector
CN205287126U (en) * 2016-01-14 2016-06-08 江苏丞宇米特医疗科技有限公司 Low pressure needle -free injection device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107297001A (en) * 2017-08-02 2017-10-27 江苏丞宇米特医疗科技有限公司 A kind of fixed dosage single injection gas-driven needle-less syringe
CN107308525A (en) * 2017-08-02 2017-11-03 江苏丞宇米特医疗科技有限公司 A kind of adjustable single of dosage takes out medicine multiple injection gas-driven needle-less syringe
CN110124157A (en) * 2019-06-03 2019-08-16 江苏丞宇米特医疗科技有限公司 Double pressure needleless injectors
CN110124157B (en) * 2019-06-03 2024-02-20 江苏丞宇米特医疗科技有限公司 Double pressure needleless injector
CN115245609A (en) * 2021-07-27 2022-10-28 苏州瀚诺馨生物科技有限公司 Disposable aseptic syringe needle
CN115245609B (en) * 2021-07-27 2023-09-08 苏州瀚诺馨生物科技有限公司 Disposable sterile injection needle

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Application publication date: 20160420