WO2023088346A1 - Dispositif de seringue sans danger - Google Patents

Dispositif de seringue sans danger Download PDF

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Publication number
WO2023088346A1
WO2023088346A1 PCT/CN2022/132482 CN2022132482W WO2023088346A1 WO 2023088346 A1 WO2023088346 A1 WO 2023088346A1 CN 2022132482 W CN2022132482 W CN 2022132482W WO 2023088346 A1 WO2023088346 A1 WO 2023088346A1
Authority
WO
WIPO (PCT)
Prior art keywords
unit
tube
needle
rotation
block
Prior art date
Application number
PCT/CN2022/132482
Other languages
English (en)
Chinese (zh)
Inventor
郭融
沈靖
Original Assignee
上海倍莱弗科技有限公司
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
Priority claimed from CN202111373904.5A external-priority patent/CN114146260A/zh
Priority claimed from CN202122841492.5U external-priority patent/CN218338781U/zh
Application filed by 上海倍莱弗科技有限公司 filed Critical 上海倍莱弗科技有限公司
Publication of WO2023088346A1 publication Critical patent/WO2023088346A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES 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
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles

Definitions

  • the invention belongs to the technical field of medical appliances, in particular to a safety syringe device.
  • the structure of the syringe generally includes a syringe, a push rod, and a needle cover, and the structure of the syringe can be further subdivided into a cylinder body, a needle fixing tube, an injection needle, and a protruding plate at the rear end of the cylinder body.
  • the needle cover is completely separated from the needle barrel, which is easy to be lost and lost.
  • the syringe needs to be put on the needle cover again in the scrapped state. Additional operations are required, such as bending and cutting the injection needle, which greatly increases the workload of medical staff.
  • the patent announcement number is CN 210159031U, and the Chinese utility model patent with the announcement date of 2020.03.20 discloses a syringe for basic medicine, including a syringe.
  • the inside of the syringe is provided with a piston, and the piston is clamped on the On the right side, a piston rod is fixedly connected to the left side of the base, and an extrusion plate is fixedly connected to the left end of the piston rod.
  • the patent publication number is CN 107126602A
  • the Chinese invention patent with the publication date of 2017.09.05 discloses a flange cover flipping device for fixing the syringe, which includes: a body, a friction member that can rotate relative to the body, and a body hinge A fixed frame connected to and accommodated in the syringe, and a protective sleeve sheathed on the outside of the syringe, wherein the friction member includes an arc-shaped portion, and the center of the arc-shaped portion is concentric with the center of the body, and the body is opposite in the first direction
  • the mount rotates and is hinged in a second direction.
  • the turning device for the syringe in this invention patent lacks the positioning function in the open state after it is opened, so when the syringe is being injected, the turning device tends to hang down or swing randomly, which will increase the pain of the injection operation It's very unsafe.
  • the invention provides a safe syringe device, which can ensure that the needle installation tube, the injection needle, the rotation protection tube unit, the rotation shaft unit, the closed block unit and the open state block unit are arranged on the cylinder body to ensure
  • the injection needle can be safe and stable in the early, middle and late stages of use.
  • a safety syringe device including a cylinder body, a needle installation tube, and an injection needle, and a rotating protection tube unit sleeved on the needle installation tube and the injection needle,
  • the rotation axis unit arranged on the needle installation tube and inserted into the rotation protection tube unit, the closed block unit arranged on the needle installation tube and used to engage the rotation protection tube unit, and the The needle is installed on the tube and is used to engage the open state clamping block unit of the rotating protection tube unit.
  • a further preferred technical solution is that: the number of the rotating shaft units is two, the closed block unit is located at the rear end position in the rotation direction of the rotation protection tube unit, and the open state block unit is located at the at the front end position in the direction of rotation of the rotation protection tube unit described above.
  • the rotating protection tube unit includes a tube body, which is arranged on the tube body and is used to rotate outward to remove the needle port of the injection needle, is arranged on the tube body and is respectively located at the The two rotation holes on both sides of the needle port are used to insert and install the rotation shaft unit, and the end is arranged on the tube body and used to snap into the needle installation tube when the tube body has been rotated open head groove.
  • the rotating protection tube unit further includes a locking slot provided on the needle port and used to engage the closed clamping block unit.
  • the rotation protection tube unit further includes a protruding plate disposed in the end groove and used for limiting and fixing the clamping block unit in the open state.
  • the clamping block unit in the closed state includes a radial clamping plate arranged on the needle installation tube and used for inserting into the clamping groove.
  • the block unit in the open state includes a radially protruding plate arranged on the needle installation tube, and a card set on the side of the radially protruding plate close to the cylinder body. into the board.
  • the rotating shaft unit includes a base block arranged on the needle mounting tube and used to support the tube body, and a rotating shaft arranged on the base block and used for inserting into the rotating hole shaft.
  • the rotation protection tube unit further includes an engaging block arranged in the rotation hole;
  • the rotation shaft unit also includes a block arranged on the rotation shaft body and closed on the tube body. 1. When rotating and opening, the closed state positioning groove and the open state positioning groove of the engaging block are engaged and fixed respectively.
  • the rotation protection tube unit further includes a deformation opening provided on the tube body and used to provide a retreat space for the engaging block.
  • the rotation protection tube unit also includes an arc-shaped arc that is arranged on the needle port and is provided with the locking groove, and is used to snap into the needle installation tube when the tube body has been rotated open. groove.
  • the rotating protective tube unit stably covers the protective injection needle, which has the effect of locking and fixing in a closed state, and is not easy to accidentally expose the injection needle;
  • the rotating protection tube unit when the syringe device is in use, the rotating protection tube unit can be rotated and opened to open the injection needle, and the rotating protection tube unit also has the effect of snapping and fixing in the open state, which is not easy to rotate and drop, and does not affect the normal injection operation;
  • the direction of the rotating protective tube unit is rotated and reset, and the injection needle can be covered and protected again, ensuring that the entire syringe is scrapped easily and conveniently, and at this time, the rotating protective tube unit still has the effect of engaging and fixing in a closed state;
  • the entire rotating and fixed structure supporting the rotating protection tube unit has high stability and good correlation, and the structure and function are ingeniously coordinated.
  • the rotation and use of the entire injection needle safety protection structure is stable and reliable.
  • Fig. 1 is a schematic structural diagram of the present invention in a closed state.
  • Fig. 2 is a schematic diagram of the structure of the present invention in an open state.
  • Fig. 3 is a schematic structural view of the rotating protection tube unit in the present invention.
  • Fig. 4 is a schematic diagram of the location and structure of the terminal groove and the protruding plate in the present invention.
  • Fig. 5 is a schematic diagram of the positions and structures of the rotating shaft unit, the block unit in the closed state and the block unit in the open state in the present invention.
  • each label is as follows: cylinder body 11, needle mounting tube 12, injection needle 13, rotating protection tube unit 1, rotating shaft unit 2, block unit 3 in closed state, block unit 4 in open state, Tube body 101, needle port 102, rotation hole 103, end slot 104, card slot 105, protruding plate 106, radial engaging plate 301, radial protruding plate 401, clamping plate 402, base block 201, for rotation
  • a safety syringe device includes a cylinder body 11, a needle installation tube 12, and an injection needle 13, and also includes a The rotation protection tube unit 1 is set on the needle installation tube 12 and inserted into the rotation axis unit 2 of the rotation protection tube unit 1, which is set on the needle installation tube 12 and is used to engage the rotation protection tube unit 1 in the closed state, and the open state block unit 4 which is arranged on the needle installation tube 12 and is used to engage the rotation protection tube unit 1 .
  • one side of the injection needle 13 is the front end, and one side of the barrel 11 is the rear end, and the rear end of the rotating protective tube unit 1 is always hinged on the rotating shaft unit 2, and the If the rotating protection tube unit 1 is aligned with the cylinder body 11, the injection needle 13 can be sealed and protected. At this time, the syringe device is not in use, or it is in the state of being used. At this time, the rotation protection tube unit 1 and the The clamping block unit 3 in the closed state is engaged and connected, and on the premise of slightly increasing the force required for the rotation and opening of the rotation protection tube unit 1 , a relatively large fixing strength of the rotation protection tube unit 1 can be obtained.
  • the front end of the rotating shaft unit 2 is rotated backward toward the side of the barrel 11 until the injection needle 13 is completely exposed.
  • the snap-fit connection ensures that the rotating open state is not easy to rotate and retract, otherwise it will interfere with the injection operation.
  • the full rotation opening angle of the rotating protection tube unit 1 is an obtuse angle, so as to prevent the rotating protection tube unit 1 from accidentally touching the patient's skin during the injection operation and ensure sufficient injection operation space.
  • the number of the rotating shaft units 2 is two, the closed block unit 3 is located at the rear end position in the rotation direction of the rotation protection tube unit 1, and the open state block unit 4 is located at the rotation protection tube unit 1. At the front end position in the direction of rotation of the tube unit 1.
  • the rotation shaft unit 2 is hingedly installed on both sides of the rotation protection tube unit 1 to ensure that the rotation movement of the rotation protection tube unit 1 is more stable, and only rotates in one plane, while
  • the active positions of the closed block unit 3 and the open state block unit 4 on the rotating protective tube unit 1 are also symmetrical and centered with respect to the two hinges of the rotary protective tube unit 1 .
  • the two rotating shaft units 2 form a complete rotating shaft in space, and the locking block unit 3 in the closed state and the locking block unit 4 in the open state are symmetrical about this rotating shaft.
  • the rotation protection tube unit 1 includes a tube body 101, which is arranged on the tube body 101 and is used to rotate outward to remove the needle port 102 of the injection needle 13, which is arranged on the tube body 101 and respectively located on the needle head
  • the two rotation holes 103 on both sides of the opening 102 are used to insert and install the rotation shaft unit 2, and are arranged on the tube body 101 and are used to snap into the needle when the tube body 101 has been rotated open.
  • the end slot 104 of the tube 12 is installed.
  • the needle port 102 is the position where the injection needle 13 rotates out, so the length of the needle port 102 in the front and back direction needs to be relatively large, and the position, shape and size of the rotation hole 103, All correspond to the rotating shaft unit 2 .
  • the rotation angle of the tube body 101 is generally an obtuse angle, if the rear edge of the tube body 101 is not slotted, it will directly touch the cylinder body 11, and the tube body 101 can rotate at most 90°, which will greatly affect the operating space of the injection needle 13, which is the purpose of opening the terminal groove 104.
  • the safety protection effect of the rotating protection tube unit 1 on the injection needle 13 is only covering protection without sealing, so the entire safety syringe device has the following several usage methods under the requirement of sealing and protecting the needle :
  • the entire syringe device has a sealed plastic outer packaging
  • the front end of the tube body 101 is closed, and the needle port 102 is provided with a plastic film that can be punctured by the rotation of the injection needle 13.
  • the sealing effect on the injection needle 13 is relatively large.
  • the strength is relatively comprehensive, and it is sufficient in specific usage scenarios, but it is not completely sealed, after all, there is still a gap at the rear hinge of the tube body 101 .
  • the rotating protection tube unit 1 further includes a locking groove 105 arranged on the needle port 102 and used for locking the locking block unit 3 in the closed state.
  • the rotation protection tube unit 1 further includes a protruding plate 106 disposed in the end groove 104 and used for limiting and fixing the clamping block unit 4 in the open state.
  • the clamping block unit 3 in the closed state needs to pass over a part of the pipe body 101 on the inner side of the tube to be clipped into the clamping groove 105, and the clamping block unit 4 in the open state needs to pass over the convex out of the plate 106 to ensure the locking and fixing effect on the rotating protection tube unit 1, and in addition, when the tube body 101 is rotated and retracted, the opening block unit 4 can pass over the protruding plate 106, or It can be broken directly.
  • the tube body 101 is flush with the cylinder body 11, so the clamping block unit 3 in the closed state is aligned with the clamping slot 105.
  • the direction of the limit action force is towards the rear end, and when the clamping block unit 4 engages the protruding plate 106 in the open state, the rotating protection tube unit 1 has been rotated and opened to an angle of inclination, so the open state
  • the direction of the fixing force of the block unit 4 on the protruding plate 106 is also obliquely backward.
  • the clamping block unit 3 in the closed state includes a radial engaging plate 301 disposed on the needle installation tube 12 and used for inserting into the engaging slot 105 .
  • the block unit 3 in the closed state further includes a radially inner backing plate arranged on the needle installation tube 12, which forms an L-shaped structure together with the radial engaging plate 301 to ensure that the The tube body 101 will not be accidentally rotated outwards at the block unit 3 in the closed state, nor can it be rotated inward again.
  • the function of the radially inner backing plate is to completely fix the tube body 101. Make the tube body 101 flush with the cylinder body 11 .
  • the block unit 4 in the open state includes a radially protruding plate 401 disposed on the needle installation tube 12, and a snap-in plate disposed on the side of the radially protruding plate 401 close to the cylinder body 11 402.
  • the radial protruding plate 401 and the snap-in plate 402 together form an L-shaped “hook” structure for stably “hooking” the protruding plate 106 .
  • the rotating shaft unit 2 includes a base block 201 arranged on the needle mounting tube 12 and used to support the tube body 101 , and a rotating shaft arranged on the base block 201 and used to be inserted into the rotating hole 103 Body 202.
  • the base block 201 is used to continuously lift up the pipe body 101 to prevent the harmful deviation of the pipe body 101 in the length direction of the rotating shaft unit 2, while the rotating shaft
  • the body 202 is inserted into the rotation hole 103 to jointly form the hinge part of the pipe body 101 .
  • the rotation protection tube unit 1 also includes an engaging block 107 arranged in the rotation hole 103; the rotation shaft unit 2 also includes a block arranged on the rotation shaft body 202 and closed on the tube body 101, When rotating and opening, the closed state positioning groove 203 and the open state positioning groove 204 of the engaging block 107 are engaged and fixed respectively.
  • the fixing effect of the closed state and the open state of the tube body 101 is not only ensured by the locking groove 105 and the protruding plate 106 on the outside, but also by the engaging block 107 on the
  • the locking effect on the positioning groove 203 in the closed state and the positioning groove 204 in the open state, the "internal and external engagement together" mode ensures that the tube body 101 has the advantages of being difficult to accidentally open and fold.
  • the shape of the rotating hole 103 is rectangular, one of the long sides is provided with the engaging block 107, and the other long side is always in contact with the annular surface of the rotating shaft body 202, finally ensuring the The rotation and opening of the tube body 101 is very stable.
  • the rotation protection tube unit 1 further includes a deformation opening 108 provided on the tube body 101 and used to provide a retreat space for the engaging block 107 .
  • the engaging block 107 is switching to engage the When the positioning groove 203 in the closed state and the positioning groove 204 in the open state, it is necessary to cross this part of the annular surface, so the engaging block 107 needs a certain deformation retraction ability, otherwise the engaging block 107 is directly broken This is the function of the opening 108 for deformation.
  • the rotation protection tube unit 1 also includes an arc-shaped slot arranged on the needle port 102 and provided with the locking groove 105 and used to snap into the needle installation tube 12 when the tube body 101 has been rotated open. 109.
  • the needle installation tube 12 moves to the side of the rear opening of the needle port 102, so the arc-shaped groove 109 is provided for engaging
  • the needle is installed on the tube 12 , and the engaging effect here is an auxiliary fixing part of the opened state of the tube body 101 .
  • the card slot 105 will also be arranged on the arc-shaped slot 109 .

Landscapes

  • 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

L'invention concerne un dispositif de seringue sans danger. Un tube d'installation d'aiguille (12), une aiguille d'injection (13), une unité de tube protecteur rotatif (1), une unité d'arbre rotatif (2), une unité de bloc à état fermé (3) et une unité de bloc à état ouvert (4) sont prévus sur un corps de seringue (11), de telle sorte que la sécurité et la stabilité de l'aiguille d'injection (13) peuvent être assurées dans les stades précoces, intermédiaires et tardifs d'utilisation. Le dispositif de seringue de sécurité présente les avantages suivants : tout d'abord, avant l'utilisation du dispositif de seringue, l'unité de tube protecteur rotatif (1) peut recouvrir et protéger de façon stable l'aiguille d'injection (13) et a un effet d'encliquetage et de fixation dans un état fermé ; et il n'est pas facile d'exposer accidentellement l'aiguille d'injection (13) ; et, deuxièmement, lorsque le dispositif de seringue est en utilisation, l'unité de tube protecteur rotatif (1) est mise en rotation et ouverte pour exposer l'aiguille d'injection (13) ; et l'unité de tube protecteur rotatif (1) a également l'effet d'encliquetage et de fixation dans un état ouvert et ne tombe pas facilement en rotation, ce qui n'affecte pas une opération d'injection normale.
PCT/CN2022/132482 2021-11-19 2022-11-17 Dispositif de seringue sans danger WO2023088346A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202111373904.5 2021-11-19
CN202111373904.5A CN114146260A (zh) 2021-11-19 2021-11-19 一种安全型针筒装置
CN202122841492.5 2021-11-19
CN202122841492.5U CN218338781U (zh) 2021-11-19 2021-11-19 一种安全型针筒装置

Publications (1)

Publication Number Publication Date
WO2023088346A1 true WO2023088346A1 (fr) 2023-05-25

Family

ID=86396271

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/132482 WO2023088346A1 (fr) 2021-11-19 2022-11-17 Dispositif de seringue sans danger

Country Status (1)

Country Link
WO (1) WO2023088346A1 (fr)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101687083A (zh) * 2007-02-26 2010-03-31 贝克顿·迪金森公司 具有铰接的针护套的注射器
CN107427646A (zh) * 2015-03-27 2017-12-01 泰尔茂株式会社 注射针组装体和药剂注射装置
KR20180064205A (ko) * 2016-12-05 2018-06-14 박선명 안전주사기
CN209316712U (zh) * 2018-08-09 2019-08-30 四川省肿瘤医院 一种防针刺伤及针头脱落的注射器
CN113164691A (zh) * 2018-11-27 2021-07-23 株式会社大熊制药 注射器用安全盖和包括其的安全注射器
CN113181479A (zh) * 2021-04-30 2021-07-30 鹰潭荣嘉集团医疗器械实业有限公司 一次使用安全注射器护套
CN113546250A (zh) * 2020-04-26 2021-10-26 安徽宏宇五洲医疗器械股份有限公司 可自毁的安全注射器
CN114146260A (zh) * 2021-11-19 2022-03-08 上海倍莱弗科技有限公司 一种安全型针筒装置

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101687083A (zh) * 2007-02-26 2010-03-31 贝克顿·迪金森公司 具有铰接的针护套的注射器
CN107427646A (zh) * 2015-03-27 2017-12-01 泰尔茂株式会社 注射针组装体和药剂注射装置
KR20180064205A (ko) * 2016-12-05 2018-06-14 박선명 안전주사기
CN209316712U (zh) * 2018-08-09 2019-08-30 四川省肿瘤医院 一种防针刺伤及针头脱落的注射器
CN113164691A (zh) * 2018-11-27 2021-07-23 株式会社大熊制药 注射器用安全盖和包括其的安全注射器
CN113546250A (zh) * 2020-04-26 2021-10-26 安徽宏宇五洲医疗器械股份有限公司 可自毁的安全注射器
CN113181479A (zh) * 2021-04-30 2021-07-30 鹰潭荣嘉集团医疗器械实业有限公司 一次使用安全注射器护套
CN114146260A (zh) * 2021-11-19 2022-03-08 上海倍莱弗科技有限公司 一种安全型针筒装置

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