CN108721733B - Painless trace anesthetic injection device - Google Patents

Painless trace anesthetic injection device Download PDF

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Publication number
CN108721733B
CN108721733B CN201810629553.1A CN201810629553A CN108721733B CN 108721733 B CN108721733 B CN 108721733B CN 201810629553 A CN201810629553 A CN 201810629553A CN 108721733 B CN108721733 B CN 108721733B
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CN
China
Prior art keywords
sliding
groove
injection
fixedly installed
limiting
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.)
Expired - Fee Related
Application number
CN201810629553.1A
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Chinese (zh)
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CN108721733A (en
Inventor
刘佳
潘黎晓
杜青
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.)
Affiliated Hospital of University of Qingdao
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Affiliated Hospital of University of Qingdao
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Priority to CN201810629553.1A priority Critical patent/CN108721733B/en
Publication of CN108721733A publication Critical patent/CN108721733A/en
Application granted granted Critical
Publication of CN108721733B publication Critical patent/CN108721733B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • 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
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M5/2033Spring-loaded one-shot injectors with or without automatic needle insertion
    • 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
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31576Constructional features or modes of drive mechanisms for piston rods
    • A61M5/31578Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod
    • A61M5/3158Constructional features or modes of drive mechanisms for piston rods based on axial translation, i.e. components directly operatively associated and axially moved with plunger rod performed by axially moving actuator operated by user, e.g. an injection button
    • 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
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2026Semi-automatic, e.g. user activated piston is assisted by additional source of energy
    • 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
    • A61M2202/0468Liquids non-physiological
    • A61M2202/048Anaesthetics

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  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The invention discloses a painless micro-anesthetic injection device which comprises an injection tube, wherein a needle tube is fixedly installed on one side of the injection tube, an injection needle is fixedly installed at one end, far away from the injection tube, of the needle tube, a core bar is installed in the injection tube in a sliding mode, a rubber plug is fixedly installed at one end of the core bar, the rubber plug is installed in the injection tube in a sliding mode, the other end of the core bar extends to the outer side of the injection tube and is fixedly provided with a push plate, the push plate is matched with the injection needle, a fixing arm is fixedly installed on the injection tube, and. The invention has simple structure and convenient operation, and the limiting block slides into the other limiting groove from one limiting groove of the two limiting grooves by pressing the pressing block, so that the pushing arm drives the pushing plate to move, and the anesthetic can be injected to a patient, thereby ensuring accurate and quick injection dosage, relieving the pain of the patient and bringing convenience to medical care personnel.

Description

Painless trace anesthetic injection device
Technical Field
The invention relates to the technical field of injection equipment, in particular to a painless micro anesthetic injection device.
Background
The anesthetic is a medicament which is used for temporarily losing consciousness and pain sense of an organism or local reversibility by a medicament or a non-medicament method and is mostly used for operation or treatment of certain diseases, when medical care personnel inject anesthetic into a patient, accurate anesthetic dosage is often required to be injected, excessive or insufficient injection is caused because the accurate dosage cannot be controlled by manual operation, pain is increased to the patient, and inconvenience is brought to the medical care personnel, so that a painless micro anesthetic injection device is provided, and the problems are solved.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a painless micro anesthetic injection device.
In order to achieve the purpose, the invention adopts the following technical scheme:
a painless micro anesthetic injection device comprises an injection tube, wherein a needle tube is fixedly installed on one side of the injection tube, an injection needle is fixedly installed on one end, far away from the injection tube, of the needle tube, a core bar is installed in the injection tube in a sliding mode, a rubber plug is fixedly installed on one end of the core bar, the rubber plug is installed in the injection tube in a sliding mode, the other end of the core bar extends to the outer side of the injection tube, a push plate is fixedly installed on the other end of the core bar, the push plate is matched with the injection needle, a fixed arm is fixedly installed on the injection tube, a fixed column is fixedly installed at the top of the fixed arm, a sliding groove is formed in one side of the fixed column, a sliding rod is installed in the sliding groove in a sliding mode, a push arm is fixedly installed on one end of the sliding, the top of stopper extends to the outside of recess and in spacing groove looks adaptation, and the bottom fixed mounting of stopper has spacing spring, and the bottom fixed mounting of spacing spring is on the bottom inner wall of recess.
Preferably, a slide hole is formed in the inner wall of the top of the limiting groove, a push rod is slidably mounted in the slide hole and matched with the limiting block, and the top end of the push rod extends to the outer side of the fixing column and is fixedly provided with a pressing block.
Preferably, two placing grooves are formed in the inner wall of the top of the limiting groove, a second pressure spring is fixedly mounted on the inner wall of the top of each placing groove, two stop blocks are fixedly mounted on two sides of the push rod, and the bottom end of the second pressure spring is fixedly mounted on the stop blocks.
Preferably, one side of the push rod, which is close to the push plate, is fixedly provided with an anti-slip pad, and the anti-slip pad is in contact with the push plate.
Preferably, one end of a first pressure spring is fixedly mounted on the inner wall of one side of the sliding groove, and the other end of the first pressure spring is fixedly mounted on one side of the sliding rod.
Preferably, a sliding groove is formed in the inner wall of the bottom of the sliding groove, a sliding block is slidably mounted at the bottom of the sliding rod, and the sliding block is slidably mounted in the sliding groove.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through the matching of an injection tube, a needle tube, an injection needle, a core rod, a rubber plug, a push plate, a fixed column, a sliding chute, a limiting groove, a sliding rod, a push arm, a first pressure spring, a groove, a limiting block, a limiting spring, a sliding hole, a push rod, a stop block, a placing groove, a second pressure spring, a pressing block and a fixed arm, the pressing block is pressed, so that the pressing block drives the push rod to move, the push rod drives the limiting block to move, when the limiting block is separated from the limiting groove position, the sliding rod is driven to move by the elastic action of the first pressure spring, the sliding rod drives the push arm to move, the push arm drives the push plate to move, the sliding rod drives the limiting block to move, when the limiting block moves to the appointed limiting groove position, the limiting block is driven to slide into the limiting groove by the;
the invention has simple structure and convenient operation, and the limiting block slides into the other limiting groove from one limiting groove of the two limiting grooves by pressing the pressing block, so that the pushing arm drives the pushing plate to move, and the anesthetic can be injected to a patient, thereby ensuring accurate and quick injection dosage, relieving the pain of the patient and bringing convenience to medical care personnel.
Drawings
FIG. 1 is a schematic front view of a painless microaesthetic injection device according to the present invention;
FIG. 2 is a schematic side view of a painless microaneurysm injection device of the present invention;
FIG. 3 is a schematic view of part A of FIG. 1;
fig. 4 is a schematic view of a portion a of fig. 3.
In the figure: the injection syringe comprises a syringe 1, a needle tube 2, an injection needle 3, a core rod 4, a rubber plug 5, a push plate 6, a fixed column 7, a sliding chute 8, a limiting groove 9, a sliding rod 10, a pushing arm 11, a first pressure spring 12, a groove 13, a limiting block 14, a limiting spring 15, a sliding hole 16, a pushing rod 17, a stop block 18, a placing groove 19, a second pressure spring 20, a pressing block 21 and a fixed arm 22.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a painless micro anesthetic injection device, comprising an injection tube 1, a needle tube 2 is fixedly installed on one side of the injection tube 1, an injection needle 3 is fixedly installed on one end of the needle tube 2 far away from the injection tube 1, a core bar 4 is slidably installed in the injection tube 1, a rubber plug 5 is fixedly installed on one end of the core bar 4, the rubber plug 5 is slidably installed in the injection tube 1, the other end of the core bar 4 extends to the outer side of the injection tube 1 and is fixedly installed with a push plate 6, the push plate 6 is matched with the injection needle 3, a fixing arm 22 is fixedly installed on the injection tube 1, a fixing column 7 is fixedly installed on the top of the fixing arm 22, a chute 8 is opened on one side of the fixing column 7, a slide bar 10 is slidably installed in the chute 8, a push arm 11 is fixedly installed on the outer side of the chute 8, the push, one side of the sliding rod 10 close to the limiting groove 9 is provided with a groove 13, a limiting block 14 is arranged in the groove 13 in a sliding manner, the top end of the limiting block 14 extends to the outer side of the groove 13 and is matched with the limiting groove 9, a limiting spring 15 is fixedly arranged at the bottom end of the limiting block 14, and the bottom end of the limiting spring 15 is fixedly arranged on the inner wall of the bottom of the groove 13. in the invention, through the matching of the injection tube 1, the needle tube 2, the injection needle 3, the core rod 4, the rubber plug 5, the push plate 6, the fixed column 7, the sliding chute 8, the limiting groove 9, the sliding rod 10, the pushing arm 11, the first pressure spring 12, the groove 13, the limiting block 14, the limiting spring 15, the sliding hole 16, the pushing rod 17, the stop block 18, the placing groove 19, the second pressure spring 20, the pushing block 21 and the fixed arm 22, the pushing block 21 is pressed, when the limiting block 14 moves to the position of the appointed limiting groove 9, the limiting block 14 is driven to slide into the limiting groove 9 under the elastic action of the limiting spring 15, so that the position of the sliding rod 10 can be fixed, the position of the push plate 6 can be fixed, and the injection of the anesthetic can be completed; the injection device is simple in structure and convenient to operate, the pressing block 21 is pressed to enable the limiting block 14 to slide into the other limiting groove 9 from one limiting groove 9 of the two limiting grooves 9, the pushing arm 11 drives the pushing plate 6 to move, and accordingly anesthetic can be injected into a patient, the injection dosage is accurate and rapid, pain of the patient is relieved, and convenience is brought to medical staff.
In the invention, a sliding hole 16 is arranged on the inner wall of the top of a limiting groove 9, a pushing rod 17 is slidably arranged in the sliding hole 16, the pushing rod 17 is matched with a limiting block 14, the top end of the pushing rod 17 extends to the outer side of a fixed column 7 and is fixedly provided with a pressing block 21, two placing grooves 19 are arranged on the inner wall of the top of the limiting groove 9, a second pressure spring 20 is fixedly arranged on the inner wall of the top of the placing groove 19, two stop blocks 18 are fixedly arranged on two sides of the pushing rod 17, the bottom end of the second pressure spring 20 is fixedly arranged on the stop blocks 18, a non-slip mat is fixedly arranged on one side of the pushing rod 17 close to a push plate 6 and is contacted with the push plate 6, one end of a first pressure spring 12 is fixedly arranged on the inner wall of one side of a sliding groove 8, the other end of the first pressure spring 12 is fixedly arranged, the sliding block is arranged in the sliding groove in a sliding way, in the invention, through the matching of the injection tube 1, the needle tube 2, the injection needle 3, the core bar 4, the rubber plug 5, the push plate 6, the fixed column 7, the sliding groove 8, the limit groove 9, the sliding rod 10, the push arm 11, the first pressure spring 12, the groove 13, the limit block 14, the limit spring 15, the sliding hole 16, the push rod 17, the stop block 18, the placing groove 19, the second pressure spring 20, the push block 21 and the fixed arm 22, the push block 21 is pressed, so that the push block 21 drives the push rod 17 to move, the push rod 17 drives the limit block 14 to move, when the limit block 14 is separated from the limit groove 9, the sliding rod 10 is driven to move by the elastic action of the first pressure spring 12, the sliding rod 10 drives the push arm 11 to move, the push arm 11 drives the push plate 6 to move, the sliding rod 10 drives the limit block 14 to move, when the limit block 14, the position of the sliding rod 10 can be fixed, namely the position of the push plate 6 can be fixed, and the injection of the anesthetic can be completed; the injection device is simple in structure and convenient to operate, the pressing block 21 is pressed to enable the limiting block 14 to slide into the other limiting groove 9 from one limiting groove 9 of the two limiting grooves 9, the pushing arm 11 drives the pushing plate 6 to move, and accordingly anesthetic can be injected into a patient, the injection dosage is accurate and rapid, pain of the patient is relieved, and convenience is brought to medical staff.
The working principle is as follows: when the anesthetic needs to be injected into the patient, the fixing arm 22 is fixedly arranged on a new injection tube 1, the injection needle 3 is pricked at the affected part of the patient, the pressing block 21 is pressed, so that the pushing block 21 drives the pushing rod 17 to slide in the sliding hole 16, the pushing rod 17 drives the limiting block 14 to slide in the limiting groove 9, the stop block 18 pulls the second pressure spring 20, so that the second pressure spring 20 is elastically deformed, meanwhile, the limiting block 14 presses the limiting spring 15, when the limiting block 14 is separated from the limiting groove 9, because the slide bar 10 is driven by the elastic action of the first pressure spring 12 to slide in the slide groove 8, the slide bar 10 drives the push arm 11 to move, the push arm 11 drives the push plate 6 to move, the push plate 6 drives the core bar 4 to move, so that the slide bar 10 drives the limit block 14 to slide in the slide groove 8, when the limiting block 14 slides into the other limiting groove 9, the position of the sliding rod 10 can be fixed, and the injection of the anesthetic can be completed.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. The painless micro anesthetic injection device comprises an injection tube (1) and is characterized in that a needle tube (2) is fixedly installed on one side of the injection tube (1), an injection needle (3) is fixedly installed at one end, far away from the injection tube (1), of the needle tube (2), a core rod (4) is installed in the injection tube (1) in a sliding mode, a rubber plug (5) is fixedly installed at one end of the core rod (4), the rubber plug (5) is installed in the injection tube (1) in a sliding mode, the other end of the core rod (4) extends to the outer side of the injection tube (1) and is fixedly provided with a push plate (6), the push plate (6) is matched with the injection needle (3), a fixing arm (22) is fixedly installed on the injection tube (1), a fixing column (7) is fixedly installed at the top of the fixing arm (22), a sliding chute (8) is formed in one side, one end of the sliding rod (10) extends to the outer side of the sliding groove (8) and is fixedly provided with a pushing arm (11), the pushing arm (11) is matched with the pushing plate (6), two limiting grooves (9) are formed in the inner wall of one side of the sliding groove (8), one side, close to the limiting grooves (9), of the sliding rod (10) is provided with a groove (13), a limiting block (14) is arranged in the groove (13) in a sliding mode, the top end of the limiting block (14) extends to the outer side of the groove (13) and is matched with the limiting grooves (9), a limiting spring (15) is fixedly arranged at the bottom end of the limiting block (14), the bottom end of the limiting spring (15) is fixedly arranged on the inner wall of the bottom of the groove (13), a sliding hole (16) is formed in the inner wall of the top of the limiting groove (9), a pushing rod (17) is arranged in the sliding hole (16, the top end of the push rod (17) extends to the outer side of the fixed column (7) and is fixedly provided with a pressing block (21).
2. The painless micro anesthetic injection device of claim 1, wherein two placing grooves (19) are formed in the top inner wall of the limiting groove (9), a second pressure spring (20) is fixedly installed on the top inner wall of each placing groove (19), two stop blocks (18) are fixedly installed on two sides of the push rod (17), and the bottom ends of the second pressure springs (20) are fixedly installed on the stop blocks (18).
3. A painless microaneurthesis injection device as claimed in claim 1, wherein a non-slip pad is fixedly mounted on the side of the push rod (17) close to the push plate (6), and the non-slip pad is in contact with the push plate (6).
4. The painless micro anesthetic injection apparatus of claim 1, wherein one end of a first compression spring (12) is fixedly installed on the inner wall of one side of the sliding groove (8), and the other end of the first compression spring (12) is fixedly installed on one side of the sliding rod (10).
5. The painless micro anesthetic injection device of claim 1, wherein a sliding groove is formed on the inner wall of the bottom of the sliding groove (8), and a sliding block is slidably mounted on the bottom of the sliding rod (10) and is slidably mounted in the sliding groove.
CN201810629553.1A 2018-06-19 2018-06-19 Painless trace anesthetic injection device Expired - Fee Related CN108721733B (en)

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Application Number Priority Date Filing Date Title
CN201810629553.1A CN108721733B (en) 2018-06-19 2018-06-19 Painless trace anesthetic injection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810629553.1A CN108721733B (en) 2018-06-19 2018-06-19 Painless trace anesthetic injection device

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CN108721733B true CN108721733B (en) 2020-10-27

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CN109452985B (en) * 2018-10-25 2021-01-26 江苏阀邦半导体材料科技有限公司 Semi-automatic sample feeding needle
CN109999274A (en) * 2019-05-17 2019-07-12 上海市东方医院(同济大学附属东方医院) Medical quantitative injector
CN113134136B (en) * 2021-04-14 2022-08-19 中国人民解放军联勤保障部队第九八〇医院 Injection device for cosmetic plastic surgery
CN113081469B (en) * 2021-04-15 2022-05-03 中国人民解放军陆军特色医学中心 Lacrimal passage medicine pushing device
CN117298381B (en) * 2023-11-02 2024-04-19 厦门眼科中心有限公司 Anesthetic quantitative injection device for anesthesia department

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CN203227124U (en) * 2013-03-06 2013-10-09 辽宁省人民医院 Quantity-controllable injector
CN105517605A (en) * 2013-09-16 2016-04-20 诺和诺德股份有限公司 Injection device for selective fixed or variable dosing
CN205659221U (en) * 2016-04-27 2016-10-26 丽水市人民医院 Automatic microsyringe
CN205814805U (en) * 2016-06-20 2016-12-21 漯河医学高等专科学校 A kind of micro-injection pump
CN106421978A (en) * 2012-12-21 2017-02-22 德卡产品有限公司 Syringe pump system
WO2017071833A1 (en) * 2015-10-30 2017-05-04 Pajunk GmbH Medizintechnologie Device for limiting the injection pressure of a medical instrument for introducing a fluid
CN106964026A (en) * 2017-04-28 2017-07-21 河南大学淮河医院 High-precision anesthesia syringe

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202505905U (en) * 2012-03-09 2012-10-31 中国人民解放军第三军医大学第一附属医院 Automatic microsyringe
CN106421978A (en) * 2012-12-21 2017-02-22 德卡产品有限公司 Syringe pump system
CN203227124U (en) * 2013-03-06 2013-10-09 辽宁省人民医院 Quantity-controllable injector
CN105517605A (en) * 2013-09-16 2016-04-20 诺和诺德股份有限公司 Injection device for selective fixed or variable dosing
WO2017071833A1 (en) * 2015-10-30 2017-05-04 Pajunk GmbH Medizintechnologie Device for limiting the injection pressure of a medical instrument for introducing a fluid
CN205659221U (en) * 2016-04-27 2016-10-26 丽水市人民医院 Automatic microsyringe
CN205814805U (en) * 2016-06-20 2016-12-21 漯河医学高等专科学校 A kind of micro-injection pump
CN106964026A (en) * 2017-04-28 2017-07-21 河南大学淮河医院 High-precision anesthesia syringe

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