CN202699780U - Clamp type semi-automatic injection pen - Google Patents

Clamp type semi-automatic injection pen Download PDF

Info

Publication number
CN202699780U
CN202699780U CN 201220282154 CN201220282154U CN202699780U CN 202699780 U CN202699780 U CN 202699780U CN 201220282154 CN201220282154 CN 201220282154 CN 201220282154 U CN201220282154 U CN 201220282154U CN 202699780 U CN202699780 U CN 202699780U
Authority
CN
China
Prior art keywords
push rod
button
semi
middle body
cassette
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 - Lifetime
Application number
CN 201220282154
Other languages
Chinese (zh)
Inventor
张有平
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.)
GANSU CHENGJI BIOPHARMACEUTICAL CO Ltd
Original Assignee
GANSU CHENGJI BIOPHARMACEUTICAL 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 GANSU CHENGJI BIOPHARMACEUTICAL CO Ltd filed Critical GANSU CHENGJI BIOPHARMACEUTICAL CO Ltd
Priority to CN 201220282154 priority Critical patent/CN202699780U/en
Priority to PCT/CN2012/077668 priority patent/WO2013185381A1/en
Application granted granted Critical
Publication of CN202699780U publication Critical patent/CN202699780U/en
Priority to IN272DEN2015 priority patent/IN2015DN00272A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • 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
    • A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
    • 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
    • A61M5/24—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic
    • A61M5/2455—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened
    • A61M5/2466—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase
    • A61M2005/247—Ampoule syringes, i.e. syringes with needle for use in combination with replaceable ampoules or carpules, e.g. automatic with sealing means to be broken or opened by piercing without internal pressure increase with fixed or steady piercing means, e.g. piercing under movement of ampoule
    • 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
    • A61M5/002—Packages specially adapted therefor, e.g. for syringes or needles, kits for diabetics
    • 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
    • A61M5/3202—Devices for protection of the needle before use, e.g. caps

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)
  • Medical Preparation Storing Or Oral Administration Devices (AREA)

Abstract

The utility model discloses a clamp type semi-automatic injection pen. The clamp type semi-automatic injection pen comprises a push rod protection sleeve, a middle body and a needle outer protection sleeve which are connected successively; a push rod hole sleeve is connected in the bottom end of the middle body, a hanging buckle is arranged in the middle body, a button is arranged in a through hole at the bottom end of the push rod hole sleeve and sleeved with the push rod hole sleeve through a positioning groove, and a button spring is arranged between the button and the hanging buckle; a bottle installation clamp body is arranged in an inner cavity of the middle body, a rib is arranged on the outer surface of the bottle installation clamp body, a spring is arranged between the rib and the hanging buckle, at least two barbs are arranged at the bottom end of the bottle installation clamp body, a medication containing clamp type bottle is sleeved in an inner cavity of the bottle installation clamp body, and a movable rubber plug of the medication containing clamp type bottle is contacted with a push rod; and a double-edge injection needle is arranged at a bottle opening end of the medication containing clamp type bottle, a vent needle sleeve is arranged on the periphery of the double-edge injection needle, and a buffer pad is arranged on the inner end surface of a through hole of the needle outer protection sleeve. The clamp type semi-automatic injection pen is high in accuracy and safety of injected doses.

Description

Cassette semi-automatic injecting pen
Technical field
This utility model belongs to technical field of medical instruments, relates to a kind of cassette semi-automatic injecting pen.
Background technology
Existing injection needle mainly adopts manually inserting needle, hand injection, needs certain technical operation experience and hygienic requirements when inserting needle and injection.Some full-automatic syringes have also appearred in the market, automatically finish injection operation in the open air under the condition, but it adopts the medicinal liquid that is filled with in advance pressure, the pressure-controlled of being bullied during injection moment finishes and pushes away the medicine action, also utilize in addition the spring pushing piston, to be spring put in place once loosening with regard to a step shortcoming fast, and the two neither speed of can control advancing medicine is not too suitable for many situations that the medicinal liquid infiltration rate is had relatively high expectations; In addition, sometimes also micro-air remaining in the injection needle can be injected human body, form aeroembolism, the infringement human body.
Summary of the invention
The purpose of this utility model provides a kind of cassette semi-automatic injecting pen, has solved to have the speed that can not control into medicine in the prior art, sometimes also micro-air in the injection needle remaining can be injected the problem of human body.
The technical scheme that this utility model adopts is that a kind of cassette semi-automatic injecting pen comprises the push rod sheath, middle body, the pin oversheath that connect successively;
The bottom of middle body is provided with the step female thread, be threaded connection the push rod borehole jack in the bottom of middle body, circumferential step place, push rod borehole jack termination in the middle body is provided with and buckles, the half of push rod borehole jack exposes outside the middle body, be provided with button in the bottom through hole of push rod borehole jack, button and push rod borehole jack are socketed by locating slot, button and buckle between be provided with button spring;
Inner chamber at middle body is equipped with the bottling button, bottling button outer surface middle part is provided with fin one along circumference, fin and buckle between be provided with spring, the bottom of bottling button is provided with along circumference can be at least two barbs of axle center resilience, this barb can be hooked on and buckle upper surface, the internal diameter that buckles is consistent with the nose circle cylindrical openings internal diameter of button, the nose circle cylindrical openings internal diameter of button is less than the external diameter of this barb, bottling button inner chamber is set with the pastille clamped bottle, the mobile plug of pastille clamped bottle bottom contacts with push rod, and push rod passes outside the button;
Pastille clamped bottle bottleneck end is equipped with the twolip injection needle, and twolip injection needle periphery is equipped with the aerofluxus needle guard, and the through hole internal end surface of pin oversheath is provided with cushion pad.
The beneficial effects of the utility model are to advance the speed of medicine, micro-air remaining in the injection needle can not injected human body, accuracy and safe by manual control; Cost of manufacture is low, can repeatedly use environmental protection and saving.
Description of drawings
Fig. 1 is outer surface structure schematic side view of the present utility model;
Fig. 2 is outer surface structure front-view schematic diagram of the present utility model;
Fig. 3 is cassette semi-automatic injecting pen profile (the E-E profile among Fig. 2);
Fig. 4 is the structure chart of state before the cassette semi-automatic injecting pen aerofluxus;
The structure chart of state when Fig. 5 is the cassette semi-automatic injecting pen aerofluxus;
Fig. 6 is the structure chart of cassette semi-automatic injecting pen inserting needle state;
Fig. 7 is the structure chart of cassette semi-automatic injecting pen injection completion status.
Among the figure, 1. pen hanging, 2. push rod, 3. push rod sheath, 4. button, 5. push rod borehole jack, 6. push rod end disk, 7. spring, 8. pastille clamped bottle, 9. in body, 10. pin oversheath, 11. aerofluxus needle guards, 12. needle shields, 13. cushion pad, 14. twolip injection needles, 15. bottling buttons, 16. plug, 17. buckle, 18. button spring.
The specific embodiment
Below in conjunction with the drawings and specific embodiments this utility model is elaborated.
In following structrual description, described bottom is the upper end (button one end) in institute's drawings attached, and described front end (being bottleneck direction one end) is the lower end in institute's drawings attached.
With reference to Fig. 1, Fig. 2, cassette semi-automatic injecting pen agent structure of the present utility model is, comprise the push rod sheath 3, middle body 9, the pin oversheath 10 that connect successively, push rod sheath 3 terminations of bottom are equipped with pen hanging 1, and pin oversheath 10 terminations of front end are equipped with needle shield 12;
With reference to Fig. 3, cassette semi-automatic injecting pen internal structure of the present utility model is, the bottom of middle body 9 is provided with the step female thread, be threaded connection push rod borehole jack 5 in the bottom of middle body 9, circumferential step place, push rod borehole jack 5 termination in the middle body 9 is provided with and buckles 17, the half of push rod borehole jack 5 exposes outside the middle body 9, the exposed portions serve circumferential surface of push rod borehole jack 5 and 3 sockets of push rod sheath, be provided with button 4 in the bottom through hole of push rod borehole jack 5, button 4 and buckle 17 between be provided with button spring 18, button 4 is socketed (being opening groove position and latching slot position) with push rod borehole jack 5 by locating slot installation site as required; Inner chamber at middle body 9 is equipped with bottling button 15, bottling button 15 outer surfaces middle part is provided with fin one along circumference, fin and buckle 17 between be provided with spring 7, the bottom of bottling button 15 is provided with along circumference can be at least two barbs of axle center resilience, this barb can be hooked on and buckle 17 upper surfaces, it is consistent with the nose circle cylindrical openings internal diameter of button 4 to buckle 17 internal diameter, the nose circle cylindrical openings internal diameter of button 4 is less than the external diameter of this barb, bottling button 15 inner chambers are set with pastille clamped bottle 8, the mobile plug 16 of pastille clamped bottle 8 bottoms contacts with push rod 2, push rod 2 is equipped with push rod end disk 6 with the contact surface termination of mobile plug 16, to realize firm contact; Push rod 2 passes outside the button 4, and can move up and down;
Pastille clamped bottle 8 front ends (bottleneck end) are installed twolip injection needle 14, and twolip injection needle 14 peripheries are equipped with aerofluxus needle guard 11, and the through hole internal end surface of pin oversheath 10 is provided with cushion pad 13.
When button 4 and push rod borehole jack 5 were in the enable possition, button 4 can move mutually with push rod borehole jack 5, and button spring 18 can be loosened stretching, extension or compression; When button 4 and push rod borehole jack 5 are in locked position, button 4 can not move mutually with push rod borehole jack 5, and button spring 18 pressurizeds shrink.
When the barb of bottling button 15 upper ends is hooked on when buckling 17 upper surface, spring 7 is in compressive state; When button 4 is depressed, barb is thrown off from buckling 17 to axle center distortion bending, spring 7 is upheld, bottling button 15 related pastille clamped bottle 8 forward end move, until twolip injection needle 14 needle stands of pastille clamped bottle 8 push up cushion pad 13, the outer syringe needle of twolip injection needle 14 stretches out outside the pin oversheath 10, has guaranteed the degree of depth that twolip injection needle 14 enters human body skin.
Push rod sheath 3 is connected by grafting or engage thread with middle body 9; Middle body 9 is connected by grafting or engage thread with pin oversheath 10.
The using method of cassette semi-automatic injecting pen of the present utility model is:
Step 1, with reference to Fig. 4, pastille clamped bottle 8 is installed to cassette semi-automatic injecting pen:
1.1, cassette semi-automatic injecting pen is taken out in packing box, therefrom take down push rod sheath 3, pin oversheath 10 on the body 9.
1.2, button 4 is threaded to self-locking state (this moment button spring 18 are compressive states).
1.3, get a stand-by pastille clamped bottle, plug 16 and the push rod end disk 6 of its bottom is adjacent to, realize fastening with push rod 2, and promote pastille clamped bottle 8 along push rod 2 directions, so that firm being hooked on of bottom barb of bottling button 15 buckles 17 upper surfaces.
1.4, get twolip injection needle 14, it is installed on the aluminium lid of pastille clamped bottle 8 bottlenecks, aerofluxus needle guard 11 is sleeved on twolip injection needle 14 outer syringe needle one ends, promotes the bottleneck plug that aerofluxus needle guard 11 pierces through pastille clamped bottle 8, until twolip injection needle 14 has a little medicinal liquid to flow out.
1.5, pin oversheath 10 is connected reliably with middle body 9.
Step 2, with reference to Fig. 5, Fig. 6, Fig. 7, injecting step comprises:
2.1, pull up aerofluxus needle guard 11.
2.2, button 4 is threaded to opening (this moment button spring 18 are stretched conditions), with twolip injection needle 14 outer syringe needle perpendicular alignmnet injection sites, keep stable.
2.3, press the button 4 so that the bottom barb of bottling button 15 throws off from buckling 17 upper surfaces, bottling button 15 drives pastille clamped bottles 8 and moves forward until run into cushion pad 13, twolip injection needle 14 injects human bodies, finishes acupuncture treatment; Thumb continues to press push rod 2 subsequently, promotes plug 16 and makes medicinal liquid inject human body, until injecting liquid drug is complete, extracts twolip injection needle 14, with reference to Fig. 7.
2.4, injection complete after, aerofluxus needle guard 11 is covered, stab preventing.
2.5, the cassette semi-automatic injecting pen pin oversheath 10 of outwarding winding, the pastille clamped bottle 8 that is finished and twolip injection needle 14 are taken out and process in accordance with regulations, load onto pin oversheath 10.
2.6, with 75% cotton ball soaked in alcohol wiping cassette semi-automatic injecting pen outer wall sterilization, next time is for subsequent use.
Cassette semi-automatic injecting pen of the present utility model and pastille clamped bottle (selling separately) reach the aseptic twolip injection needle of disposable use (selling separately) that is slidingly matched with pastille cassette bottleneck and are used, and are used for the intramuscular injection medicinal liquid.The push rod of cassette semi-automatic injecting pen is installed in the body, and the bottom of push rod has push rod end disk to be connected with the pastille clamped bottle.Be applicable to the pastille clamped bottle of 1mL, 2mL, outward winding during use and press button, automatic inserting needle, then press lower push-rod with hands, by the push rod pushing piston medicinal liquid is pushed human body, can finish automatic inserting needle and manually injection, it is simple to reset when reusing, and the pastille clamped bottle is easy to loading and unloading, can carry.

Claims (6)

1. a cassette semi-automatic injecting pen is characterized in that: comprise the push rod sheath (3), middle body (9), the pin oversheath (10) that connect successively;
The bottom of middle body (9) is provided with the step female thread, be threaded connection push rod borehole jack (5) in the bottom of middle body (9), circumferential step place, push rod borehole jack (5) termination in the middle body (9) is provided with and buckles (17), the half of push rod borehole jack (5) exposes outside the middle body (9), be provided with button (4) in the bottom through hole of push rod borehole jack (5), button (4) and push rod borehole jack (5) be by the locating slot socket, button (4) and buckle and be provided with button spring (18) between (17); Inner chamber at middle body (9) is equipped with bottling button (15), bottling button (15) outer surface middle part is provided with fin one along circumference, fin and buckle and be provided with spring (7) between (17), the bottom of bottling button (15) is provided with along circumference can be at least two barbs of axle center resilience, this barb can be hooked on and buckle (17) upper surface, the internal diameter that buckles (17) is consistent with the nose circle cylindrical openings internal diameter of button (4), the nose circle cylindrical openings internal diameter of button (4) is less than the external diameter of this barb, bottling button (15) inner chamber is set with pastille clamped bottle (8), the mobile plug (16) of pastille clamped bottle (8) bottom contacts with push rod (2), and push rod (2) passes outside the button (4);
Pastille clamped bottle (8) bottleneck end is equipped with twolip injection needle (14), and twolip injection needle (14) periphery is equipped with aerofluxus needle guard (11), and the through hole internal end surface of pin oversheath (10) is provided with cushion pad (13).
2. cassette semi-automatic injecting pen according to claim 1, it is characterized in that: described push rod sheath (3) termination is equipped with pen hanging (1).
3. cassette semi-automatic injecting pen according to claim 1, it is characterized in that: described pin oversheath (10) termination is equipped with needle shield (12).
4. cassette semi-automatic injecting pen according to claim 1 is characterized in that: described button (4) is realized being connected by opening groove installation site or latching slot installation site with push rod borehole jack (5).
5. cassette semi-automatic injecting pen according to claim 1 is characterized in that: described push rod (2) is equipped with push rod end disk (6) with the contact surface termination of mobile plug (16).
6. cassette semi-automatic injecting pen according to claim 1 is characterized in that: the exposed portions serve circumferential surface of described push rod borehole jack (5) and push rod sheath (3) socket.
CN 201220282154 2012-06-14 2012-06-14 Clamp type semi-automatic injection pen Expired - Lifetime CN202699780U (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN 201220282154 CN202699780U (en) 2012-06-14 2012-06-14 Clamp type semi-automatic injection pen
PCT/CN2012/077668 WO2013185381A1 (en) 2012-06-14 2012-06-27 Cassette semi-automatic injection pen
IN272DEN2015 IN2015DN00272A (en) 2012-06-14 2015-01-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220282154 CN202699780U (en) 2012-06-14 2012-06-14 Clamp type semi-automatic injection pen

Publications (1)

Publication Number Publication Date
CN202699780U true CN202699780U (en) 2013-01-30

Family

ID=47580128

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220282154 Expired - Lifetime CN202699780U (en) 2012-06-14 2012-06-14 Clamp type semi-automatic injection pen

Country Status (3)

Country Link
CN (1) CN202699780U (en)
IN (1) IN2015DN00272A (en)
WO (1) WO2013185381A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117339060A (en) * 2023-11-14 2024-01-05 江苏乐聚医药科技有限公司 Single injection integrated medicine tube combined with clip type bottle

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112604067B (en) * 2020-12-07 2022-08-05 湖南慧泽生物医药科技有限公司 Cassette bottle injection box and methotrexate injection packaged by same
CN113679903B (en) * 2021-09-08 2024-05-07 江苏德尔福医疗器械有限公司 Chemical liquid transporting apparatus, chemical liquid transporting control system, and chemical liquid transporting control method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9111600D0 (en) * 1991-05-30 1991-07-24 Owen Mumford Ltd Improvements relating to injection devices
CN201524314U (en) * 2009-09-18 2010-07-14 甘肃成纪生物药业有限公司 Three-section type full-automatic clamping-type buffer injection pen
CN201524317U (en) * 2009-09-18 2010-07-14 甘肃成纪生物药业有限公司 Semiautomatic buffering injection pen
CN201524318U (en) * 2009-09-18 2010-07-14 甘肃成纪生物药业有限公司 Cassette semi-automatic injecting pen
US9248245B2 (en) * 2010-02-18 2016-02-02 Sanofi-Aventis Deutschlannd GMBH Auto-injector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117339060A (en) * 2023-11-14 2024-01-05 江苏乐聚医药科技有限公司 Single injection integrated medicine tube combined with clip type bottle
CN117339060B (en) * 2023-11-14 2024-05-31 江苏乐聚医药科技有限公司 Single injection integrated medicine tube combined with clip type bottle

Also Published As

Publication number Publication date
IN2015DN00272A (en) 2015-06-12
WO2013185381A1 (en) 2013-12-19

Similar Documents

Publication Publication Date Title
CN204395141U (en) A kind of safety type novopen pin
CN201213949Y (en) Novel safe self-locking type self-destruction injector
CN204033941U (en) A kind of needleless injector with electric functions
CN201453787U (en) Disposable needle tip automatic retraction safe syringe
CN201469833U (en) Improved safety injector
CN202699780U (en) Clamp type semi-automatic injection pen
CN106492313A (en) A kind of cassette full-automatic injecting pen
CN201939825U (en) Automatically-retractive safe injector
CN101347648B (en) Self-locking type self-breaking syringe
CN202699778U (en) Clamp type full-automatic injection pen
CN201524318U (en) Cassette semi-automatic injecting pen
CN102125712B (en) Needleless syringe preloaded with medicament
CN203694264U (en) Safety syringe
CN201862071U (en) Safety injection needle cylinder
CN211095125U (en) Pre-assembled pen type ICI injection device
CN103721320A (en) Safe injector
CN101143237A (en) Steel needle retractable safety self-destructing syringe
CN202505913U (en) Disposable pull-back safety self-destruction injector
CN209490329U (en) Disposable syringe
CN203915675U (en) Full-automatic first-aid syringe
CN103654997B (en) A kind of continuous injector
CN2741587Y (en) Disposable safety destroying type syringe
CN205145300U (en) Assembled quantitative syringe
CN202027997U (en) Disposable injector
CN201643260U (en) Quantitative self-destruction syringe

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20130130

CX01 Expiry of patent term