CN110124154A - Vaccine needle - Google Patents

Vaccine needle Download PDF

Info

Publication number
CN110124154A
CN110124154A CN201910334795.2A CN201910334795A CN110124154A CN 110124154 A CN110124154 A CN 110124154A CN 201910334795 A CN201910334795 A CN 201910334795A CN 110124154 A CN110124154 A CN 110124154A
Authority
CN
China
Prior art keywords
piston
vaccine
shell
temperature
limiting mechanism
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.)
Granted
Application number
CN201910334795.2A
Other languages
Chinese (zh)
Other versions
CN110124154B (en
Inventor
杨成
邹少芳
金浩
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.)
Zhejiang Lover Health Science and Technology Development Co Ltd
Original Assignee
Zhejiang Lover Health Science and Technology Development 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 Zhejiang Lover Health Science and Technology Development Co Ltd filed Critical Zhejiang Lover Health Science and Technology Development Co Ltd
Priority to CN201910334795.2A priority Critical patent/CN110124154B/en
Publication of CN110124154A publication Critical patent/CN110124154A/en
Application granted granted Critical
Publication of CN110124154B publication Critical patent/CN110124154B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • A61M5/31501Means for blocking or restricting the movement of the rod or piston
    • A61M5/31505Integral with the syringe barrel, i.e. connected to the barrel so as to make up a single complete piece or unit
    • 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
    • A61M5/31566Means improving security or handling thereof
    • 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
    • A61M5/31566Means improving security or handling thereof
    • A61M5/31571Means preventing accidental administration
    • 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
    • A61M5/50Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • 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
    • A61M5/50Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston
    • A61M2005/5033Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston by use of an intermediate blocking member positioned between the syringe barrel and the piston rod to prevent retraction of the latter, e.g. toothed clip placed on the piston rod
    • 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
    • A61M2205/33Controlling, regulating or measuring
    • A61M2205/3368Temperature

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

Vaccine needle, including shell, needle tubing, push component, push component is located in shell, needle tubing is located at shell end, the push component includes main piston axis, limiting mechanism, auxiliary piston axis and piston, and auxiliary piston axis connection is on piston, and limiting mechanism is between main piston axis and auxiliary piston axis, and limiting mechanism is fixedly connected in shell, and through-hole compatible with main piston axis is formed in limiting mechanism;Temperature-sensitive component and compression assemblies are equipped between the shell and needle tubing;Compared with prior art, by the way that limiting mechanism is arranged, need the rear master piston axis being aligned in limiting mechanism with main piston axis that could pass through, unexpected promotion piston shaft is prevented to cause the loss of vaccine liquid, and auxiliary piston axis and piston pushing course are irreversible, the position of auxiliary piston axis and piston is irrecoverable, while under the action of temperature-sensitive component and compression assemblies, so that the clamping when temperature in vaccine needle is more than preset temperature to needle tubing, prevents vaccine liquid from flowing out by needle tubing.

Description

Vaccine needle
Technical field
The invention belongs to vaccine needle technical fields, more particularly, to a kind of vaccine needle.
Background technique
The safety problem of vaccine always is the content that people pay high attention to, and vaccine needle is a kind of common medical treatment consumptive materials, For vaccinating, the design of vaccine needle is exactly to be combined into one vaccine bottles and injection needle tube, by the structure for changing syringe Vaccine solution can be directly installed in the syringe of syringe.
Since vaccine is temperature sensitive, each link scene that the department manufactured from vaccine uses to vaccine, Once temperature be more than 2 DEG C to 8 DEG C will be destroyed, and in the prior art, cannot usually detect vaccine in use Real time temperature is likely to result in the excess temperature for vaccinating time vaccines, to cause some potential safety problems to user;Work as simultaneously When vaccine is placed in vaccine needle, there is unexpected promotion piston shaft to cause the loss of vaccine liquid in traditional vaccine needle.
Summary of the invention
The present invention is to provide safe and reliable one kind, vaccine bottle and injection needle to overcome above-mentioned defect in the prior art The vaccine needle that cylinder is combined into one.
In order to reach the goals above, the technical scheme adopted by the invention is that: vaccine needle, including shell, needle tubing, push group Part, push component are located in shell, and needle tubing is located at shell end, and the push component includes main piston axis, limiting mechanism, secondary work Axis and piston are filled in, auxiliary piston axis connection is on piston, and limiting mechanism is between main piston axis and auxiliary piston axis, and limiting mechanism It is fixedly connected in shell, through-hole compatible with main piston axis is formed in limiting mechanism;It is set between the shell and needle tubing There are temperature-sensitive component and compression assemblies.
As a preferred solution of the present invention, the shell includes the procapsid, glass shell and rear shell being sequentially communicated Body, limiting mechanism and main piston axle position are in back casing, and piston and auxiliary piston axle position are in glass shell, temperature-sensitive component and extruding Component is located in procapsid.
As a preferred solution of the present invention, refer to support on the back casing, refer to that support is equipped with and refer to support label, refer to support label Corresponding with the lead to the hole site of limiting mechanism, main piston axis is equipped with piston handle, and piston handle is marked equipped with piston handle, piston handle Label is corresponding with support label is referred to.
As a preferred solution of the present invention, the centre bit of the main piston axis, limiting mechanism, auxiliary piston axis and piston In on same straight line, piston is towards needle tubing.
As a preferred solution of the present invention, the temperature-sensitive component includes left side temperature-sensitive expander and the expansion of right side temperature-sensitive Body, compression assemblies include that left side squeezes sliding block and right side extruding sliding block.
As a preferred solution of the present invention, the left side squeezes sliding block and is located on the temperature-sensitive expander of left side, and right side is squeezed Pressure sliding block is located on the temperature-sensitive expander of right side, and left side squeezes sliding block and right side squeezes sliding block and is located at left side temperature-sensitive expander and the right side Between the temperature-sensitive expander of side.
As a preferred solution of the present invention, the left side squeezes and is connected with left side spring and left side thimble on sliding block, left Lateral spring is connected with left side thimble, and left side thimble is located at left side and squeezes in the preformed hole of sliding block.
As a preferred solution of the present invention, the right side squeezes and is connected with right side spring and right side thimble on sliding block, right Lateral spring is connected with right side thimble, and right side thimble is located at right side and squeezes in the preformed hole of sliding block.
As a preferred solution of the present invention, the needle tubing includes soft needle tubing and hard needle tubing, soft needle tubing and hard Matter needle tubing is connected.
As a preferred solution of the present invention, the soft needle tubing is located in shell, and hard needle tubing extends to outside shell.
The invention has the advantages that compared with prior art: by the way that limiting mechanism is arranged, needing in limiting mechanism and master The rear master piston axis of piston shaft alignment could pass through, and prevent unexpected promotion piston shaft to cause the loss of vaccine liquid, and secondary living It fills in axis and piston pushing course is irreversible, the position of auxiliary piston axis and piston is irrecoverable, while in temperature-sensitive component and extruding group Under the action of part, so that the clamping when temperature in vaccine needle is more than preset temperature to needle tubing, prevents vaccine liquid from passing through needle tubing stream Out.
Detailed description of the invention
Fig. 1 is explosive view of the invention;
Fig. 2 is structural schematic diagram of the invention;
The working principle diagram of temperature-sensitive component and compression assemblies that Fig. 3 is;
Fig. 4 is the working principle diagram of piston and piston shaft;
Fig. 5 is the structural schematic diagram of piston and piston shaft;
Appended drawing reference in figure: piston handle 1, piston handle label 2, main piston axis 3 refer to support label 4, refer to support 5, rear outer, and 6, limit Mechanism 7 processed, glass shell 8, auxiliary piston axis 9, front casing 10, piston 11, left side spring 12, right side spring 13, left side thimble 14, Right side thimble 15, left side temperature-sensitive expander 16, right side temperature-sensitive expander 17, left side squeeze sliding block 18, and right side squeezes sliding block 19, firmly Matter needle tubing 20, soft needle tubing 21.
Specific embodiment
It elaborates with reference to the accompanying drawing to the embodiment of the present invention.
As shown in Figs. 1-5, vaccine needle, including shell, needle tubing, push component, push component are located in shell, and needle tubing is located at Shell end, push component includes main piston axis 3, limiting mechanism 7, auxiliary piston axis 9 and piston 11, and auxiliary piston axis 9 is connected to work On plug 11, limiting mechanism 7 is between main piston axis 3 and auxiliary piston axis 9, and limiting mechanism 7 is fixedly connected in shell, limitation Through-hole compatible with main piston axis 3 is formed in mechanism 7;Temperature-sensitive component and compression assemblies are equipped between shell and needle tubing.
Through-hole in limiting mechanism 7 is irregular hole, and the size of through-hole is consistent with the size of main piston axis 3, main piston Axis 3, which rotates to certain angle, may pass through limiting mechanism 7, and auxiliary piston axis 9 is equipped with cylindrical section, and cylindrical section is towards main piston axis 3, main work It is formed with circular hole compatible with cylindrical section in plug axis 3, after main piston axis 3, which rotates to certain angle, may pass through limiting mechanism 7, The circular hole of main piston axis 3 is connected with the cylindrical section of auxiliary piston axis 9, makes to have between main piston axis 3 and auxiliary piston axis 9 more preferable Connectivity.
Shell includes the procapsid 10, glass shell 8 and back casing 6 being sequentially communicated, limiting mechanism 7 and 3, main piston axis In in back casing 6, limiting mechanism 7 is fixedly connected in back casing 6, and the outer ring of limiting mechanism 7 is threadedly coupled with back casing 6, main In in back casing 6, piston 11 and auxiliary piston axis 9 are located in glass shell 83 mobile connection of piston shaft, auxiliary piston axis 9 and piston 11 It is fixedly connected, and auxiliary piston axis 9, towards limiting mechanism 7, the size of piston 11 is consistent with the size of 8 inner wall of glass shell, it is living It fills in 11 outer rings to fit closely with 8 inner wall of glass shell, for loading vaccine liquid in glass shell 8, passes through setting for glass shell 8 It sets, the vaccine liquid in vaccine needle is observed convenient for operator, vaccine liquid level passes through between piston 11 and front casing 10 The conveying of vaccine liquid is realized in the push of piston 11, and temperature-sensitive component and compression assemblies are located in procapsid 10, temperature-sensitive component and extruding Component is located at the equipped at outlet port of vaccine liquid.
Refer to support 5 on back casing 6, refer to that support 5 is fixed and and refer to that support 5 is circular ring structure on back casing 6, refers to that support 5 is used for and finger It offsets, pushes main piston axis 3 convenient for operator, refer to that support 5 is equipped with and refer to support label 4, refer to the logical of support label 4 and limiting mechanism 7 Hole site is corresponding, limiting mechanism 7 and refer to support 5 be fixedly connected on back casing 6, refer to support label 4 be directed toward limiting mechanism 7 always Same direction, main piston axis 3 be equipped with piston handle 1, piston handle 1 be equipped with piston handle label 2, piston handle label 2 and refer to hold in the palm Label 4 is corresponding,.
When piston handle label 2 and refer to that main piston axis 3 can be by limiting mechanism 7, so that main piston axis 3 can be worn when holding in the palm label 4 Limiting mechanism 7 is crossed to be in contact with auxiliary piston axis 9, realize main piston axis 3 push piston 11, have and only when piston handle label 2 with When referring to that support label 4 is corresponding, main piston axis 3 can by limiting mechanism 7, to prevent the vaccine liquid accidental release of glass shell 8, Piston handle label 2 and finger support label 4 are convenient for operation of the operator to vaccine needle.
Main piston axis 3, limiting mechanism 7, auxiliary piston axis 9 and piston 11 center be located along the same line, make main piston Connection between axis 3, limiting mechanism 7, auxiliary piston axis 9 and piston 11 has better stability, and piston 11 is towards needle tubing.
In actual use, vaccine needle is using preceding needing to rotate a certain angle piston handle 1, so that piston handle mark Remember that 2 are aligned with support label 4 is referred to, the angle that piston handle 1 rotates is exactly the angle that main piston axis 3 rotates, at this time section of main piston axis 3 Face is consistent with the through hole section of limiting mechanism 7, and main piston axis 3 can be passed through, and main piston axis 3 is secondary to push auxiliary piston axis 9 Piston shaft 9 pushes piston 11 again, and piston 11 pushes the vaccine liquid in glass shell 8 to enter needle tubing outflow.
Main piston axis 3 can be by pushing auxiliary piston axis 9 to push piston 11 to realize, so that vaccine liquid passes through needle tubing stream Out, and when main piston axis 3 pulls back, main piston axis 3 does not drive the movement of auxiliary piston axis 9 and piston 11, so that should Needle tubing is expendable disposable products, it is ensured that the safety of user.
It can effectively prevent unexpected promotion piston 11 by the combination of main piston axis 3 and limiting mechanism 7 and auxiliary piston axis 9 to lead It causes waste vaccine liquid and prevents piston 11 again by secondary use after pull-up again.
Needle tubing includes soft needle tubing 21 and hard needle tubing 20, and soft needle tubing 21 is connected with hard needle tubing 20, soft needle tubing 21 are located in shell, and hard needle tubing 20 extends to outside shell.
Temperature-sensitive component includes left side temperature-sensitive expander 16 and right side temperature-sensitive expander 17, and compression assemblies include that left side squeezes cunning Block 18 and right side squeeze sliding block 19, and left side squeezes sliding block 18 and is located on left side temperature-sensitive expander 16, and right side squeezes sliding block 19 and is located at On right side temperature-sensitive expander 17, and left side squeezes sliding block 18 and right side squeezes sliding block 19 and is located at left side temperature-sensitive expander 16 and right side Between temperature-sensitive expander 17.
The thermally sensitive temperature of left side temperature-sensitive expander 16 and right side temperature-sensitive expander 17 is the highest of preset temperature in vaccine needle Value, when temperature is not above the effective temperature of vaccine in vaccine needle, left side temperature-sensitive expander 16 and right side temperature-sensitive expander 17 Will not expand, squeeze sliding block 19 so that left side squeezes sliding block 18 and right side and do not generate movement, vaccine liquid can normal through and enter In needle tubing, this time vaccines can be normally carried out injection.
When temperature temperature range effective more than vaccine, left side temperature-sensitive expander 16 and right side temperature-sensitive expander 17 can be produced Raw expansion, left side temperature-sensitive expander 16 drive left side to squeeze sliding block 18 and move right, and right side temperature-sensitive expander 17 drives right side to squeeze Pressure sliding block 19 is moved to the left, and left side squeezes sliding block 18 and right side squeezes sliding block 19 and compressed to soft needle tubing 21 and cause to block up Plug, prevent vaccine liquid is from normal through in entrance hard needle tubing 20, this time vaccines cannot be injected.
Left side spring 12 is connected on left side extruding sliding block 18 and left side thimble 14, left side spring 12 are connected with left side thimble 14 It connects, and left side thimble 14 is located at left side and squeezes in the preformed hole of sliding block 18, right side, which squeezes, is connected with right side 13 He of spring on sliding block 19 Right side thimble 15, right side spring 13 are connected with right side thimble 15, and right side thimble 15 is located at right side and squeezes the reserved of sliding block 19 In hole, left side spring 12 and right side spring 13 are located in front casing 10, and left side spring 12 and 13 bottom of right side spring and preceding outer Shell 10 offsets, and left side spring 12 and right side spring 13 are in compact state always.
When temperature temperature range effective more than vaccine, left side spring 12 and right side spring 13 push left side thimble respectively 14 and right side thimble 15 head into left side and squeeze sliding block 18 and right side and squeeze in the preformed hole of sliding block 19, slided to limit left side and squeeze Block 18 and right side squeeze the movement of sliding block 19, and so far soft needle tubing 21 compresses blocking by permanent, it is ensured that after temperature recovery also not It can be used again.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention;Therefore, of the invention It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one The widest scope of cause.
Although appended drawing reference in figure is used more herein: piston handle 1, piston handle label 2, main piston axis 3 refer to support mark Note 4, refers to support 5, rear outer, 6, limiting mechanism 7, and glass shell 8, auxiliary piston axis 9, front casing 10, piston 11, left side spring 12, the right side Lateral spring 13, left side thimble 14, right side thimble 15, left side temperature-sensitive expander 16, right side temperature-sensitive expander 17, left side squeeze sliding block 18, right side squeezes the terms such as sliding block 19, hard needle tubing 20, soft needle tubing 21, but it does not exclude the possibility of using other terms; The use of these items is only for be more convenient to describe and explain essence of the invention;It is construed as any additional Limitation be all to be disagreed with spirit of that invention.

Claims (10)

1. vaccine needle, including shell, needle tubing, push component, push component are located in shell, needle tubing is located at shell end, special Sign is that the push component includes main piston axis (3), limiting mechanism (7), auxiliary piston axis (9) and piston (11), auxiliary piston axis (9) it is connected on piston (11), limiting mechanism (7) is located between main piston axis (3) and auxiliary piston axis (9), and limiting mechanism (7) It is fixedly connected in shell, is formed with the compatible through-hole with main piston axis (3) in limiting mechanism (7);The shell and needle tubing Between be equipped with temperature-sensitive component and compression assemblies.
2. vaccine needle according to claim 1, which is characterized in that the shell include the procapsid (10) being sequentially communicated, Glass shell (8) and back casing (6), limiting mechanism (7) and main piston axis (3) are located in back casing (6), and piston (11) and pair are living Plug axis (9) is located in glass shell (8), and temperature-sensitive component and compression assemblies are located in procapsid (10).
3. vaccine needle according to claim 2, which is characterized in that refer to support (5) on the back casing (6), refer to and set on support (5) There is finger support label (4), refers to that support label (4) is corresponding with the lead to the hole site of limiting mechanism (7), main piston axis (3) is equipped with piston Handle (1), piston handle (1) are equipped with piston handle label (2), and piston handle marks (2) corresponding with support label (4) is referred to.
4. vaccine needle according to claim 1, which is characterized in that the main piston axis (3), limiting mechanism (7), auxiliary piston The center of axis (9) and piston (11) is located along the same line, and piston (11) is towards needle tubing.
5. vaccine needle according to claim 1, which is characterized in that the temperature-sensitive component includes left side temperature-sensitive expander (16) With right side temperature-sensitive expander (17), compression assemblies include that left side squeezes sliding block (18) and right side extruding sliding block (19).
6. vaccine needle according to claim 5, which is characterized in that it is swollen that left side extruding sliding block (18) is located at left side temperature-sensitive On swollen body (16), right side squeezes sliding block (19) and is located on right side temperature-sensitive expander (17), and left side squeezes sliding block (18) and right side Sliding block (19) are squeezed to be located between left side temperature-sensitive expander (16) and right side temperature-sensitive expander (17).
7. vaccine needle according to claim 6, which is characterized in that the left side, which squeezes, is connected with left side spring on sliding block (18) (12) it is connected with left side thimble (14), left side spring (12) with left side thimble (14), and left side thimble (14) is squeezed positioned at left side In the preformed hole for pressing sliding block (18).
8. vaccine needle according to claim 6, which is characterized in that the right side, which squeezes, is connected with right side spring on sliding block (19) (13) it is connected with right side thimble (15), right side spring (13) with right side thimble (15), and right side thimble (15) is squeezed positioned at right side In the preformed hole for pressing sliding block (19).
9. vaccine needle according to claim 1, which is characterized in that the needle tubing includes soft needle tubing (21) and hard needle tubing (20), soft needle tubing (21) is connected with hard needle tubing (20).
10. vaccine needle according to claim 9, which is characterized in that the soft needle tubing (21) is located in shell, hard needle Pipe (20) extends to outside shell.
CN201910334795.2A 2019-04-24 2019-04-24 Vaccine needle Expired - Fee Related CN110124154B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910334795.2A CN110124154B (en) 2019-04-24 2019-04-24 Vaccine needle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910334795.2A CN110124154B (en) 2019-04-24 2019-04-24 Vaccine needle

Publications (2)

Publication Number Publication Date
CN110124154A true CN110124154A (en) 2019-08-16
CN110124154B CN110124154B (en) 2021-08-03

Family

ID=67570965

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910334795.2A Expired - Fee Related CN110124154B (en) 2019-04-24 2019-04-24 Vaccine needle

Country Status (1)

Country Link
CN (1) CN110124154B (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084017A (en) * 1989-10-10 1992-01-28 John Maffetone Self disabling, single use, hypodermic syringe
US20030088216A1 (en) * 2001-10-03 2003-05-08 Daniel Py Syringe and reconstitution syringe
CN1419458A (en) * 2000-03-23 2003-05-21 安塔雷斯制药公司 Single use disposable jet syringe
CN101522144A (en) * 2006-10-16 2009-09-02 爱尔康研究有限公司 Temperature control device and thermal sensor assembly for medical device
CN103533974A (en) * 2011-05-12 2014-01-22 欧文蒙福德有限公司 Injection devices
CN106029124A (en) * 2013-12-19 2016-10-12 美敦力迷你迈德公司 On-body injector and method of use
CN106470631A (en) * 2014-11-11 2017-03-01 奥林巴斯株式会社 Treatment apparatus and disposal system

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5084017A (en) * 1989-10-10 1992-01-28 John Maffetone Self disabling, single use, hypodermic syringe
CN1419458A (en) * 2000-03-23 2003-05-21 安塔雷斯制药公司 Single use disposable jet syringe
US20030088216A1 (en) * 2001-10-03 2003-05-08 Daniel Py Syringe and reconstitution syringe
CN101522144A (en) * 2006-10-16 2009-09-02 爱尔康研究有限公司 Temperature control device and thermal sensor assembly for medical device
CN103533974A (en) * 2011-05-12 2014-01-22 欧文蒙福德有限公司 Injection devices
CN106029124A (en) * 2013-12-19 2016-10-12 美敦力迷你迈德公司 On-body injector and method of use
CN106470631A (en) * 2014-11-11 2017-03-01 奥林巴斯株式会社 Treatment apparatus and disposal system

Also Published As

Publication number Publication date
CN110124154B (en) 2021-08-03

Similar Documents

Publication Publication Date Title
US20140296794A1 (en) Needleless positive-pressure connector
US11433185B2 (en) Injection device
CN104159629A (en) Frontal attachment device for syringe with pinch-activated retraction
CN202942482U (en) Single-cylinder prefilled type pipe flushing and sealing device
CN110124154A (en) Vaccine needle
CN204364566U (en) A kind of angiocardiography infusing device
CN106823075A (en) A kind of combined type safe self-breaking syringe
CN209347795U (en) A kind of high-safety needle staying on vein
CN209645022U (en) Blood back is evident that puncture of internal arteriovenous fistula needle
CN207667459U (en) A kind of hard flask for medicinal preparations caching dispensation apparatus
CN206729896U (en) A kind of anti-stab hemostix
CN207445298U (en) Safety syringe structure
CN211751526U (en) Needleless connector with puncture outfit and positive pressure connector
CN210044605U (en) Infusion bottle plug puncture device with anti-drop function
CN204671665U (en) Novel injection pin
CN205964050U (en) Join in marriage syringe needle for blood sampling pen
CN203852596U (en) Injection needle type dosage connecting device with locking connector
US20160144123A1 (en) Syringe adapter
CN106860931B (en) The governor of blood line
CN204699151U (en) A kind of being more suitable for rescues the transfusion drip tube device used
CN203169732U (en) Novel syringe
CN211272878U (en) Syringe for screwing suppository
CN203169755U (en) Reuse-prevention disposable syringe
CN215133431U (en) Precise filtering transfer device
CN204521830U (en) A kind of stable type cardio angiographic unfolder

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20210803