CN113289149B - Medical syringe - Google Patents

Medical syringe Download PDF

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Publication number
CN113289149B
CN113289149B CN202110589721.0A CN202110589721A CN113289149B CN 113289149 B CN113289149 B CN 113289149B CN 202110589721 A CN202110589721 A CN 202110589721A CN 113289149 B CN113289149 B CN 113289149B
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CN
China
Prior art keywords
skin test
main
needle cylinder
injector
cylinder
Prior art date
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Active
Application number
CN202110589721.0A
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Chinese (zh)
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CN113289149A (en
Inventor
魏金金
曹新民
夏小荣
汤波
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.)
Yingtan Rongjia Group Medical Equipment Industrial Co ltd
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Yingtan Rongjia Group Medical Equipment Industrial Co ltd
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Publication date
Application filed by Yingtan Rongjia Group Medical Equipment Industrial Co ltd filed Critical Yingtan Rongjia Group Medical Equipment Industrial Co ltd
Priority to CN202110589721.0A priority Critical patent/CN113289149B/en
Publication of CN113289149A publication Critical patent/CN113289149A/en
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Publication of CN113289149B publication Critical patent/CN113289149B/en
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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
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B10/00—Other methods or instruments for diagnosis, e.g. instruments for taking a cell sample, for biopsy, for vaccination diagnosis; Sex determination; Ovulation-period determination; Throat striking implements
    • 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
    • A61M5/19—Syringes having more than one chamber, e.g. including a manifold coupling two parallelly aligned syringes through separate channels to a common discharge assembly
    • 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
    • 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
    • A61M5/3295—Multiple needle devices, e.g. a plurality of needles arranged coaxially or in parallel
    • A61M5/3298—Needles arranged in parallel
    • 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
    • A61M5/50—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 having means for preventing re-use, or for indicating if defective, used, tampered with or unsterile
    • A61M5/5013—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe
    • A61M5/502—Means for blocking the piston or the fluid passageway to prevent illegal refilling of a syringe for blocking the piston

Abstract

The invention relates to the technical field of medical instruments, and discloses a medical injector which solves the technical problem of complicated process caused by the need of using other medical instruments at present, and comprises a main injector and a skin test injector which are integrally installed; the main injector comprises a main needle cylinder, a main needle head, a main push rod and a main protective sleeve; the skin test injector comprises a skin test needle cylinder, a skin test needle head, a skin test push rod and a skin test protective sleeve; through plane body coupling between main cylinder and the skin examination cylinder, both connection site are for connecting the wall, are provided with check valve on the connecting wall, and the liquid medicine in the main cylinder passes through check valve flow direction skin examination cylinder, and check valve's the position that sets up is below the scale of the normal injection medicine of main cylinder, avoids normally injecting the medicine and passes through check valve flow direction skin examination cylinder. According to the technical scheme, the main injector and the skin test injector are integrally installed, and the skin test injector is used for skin test so as to achieve the purpose of quickly performing skin test operation.

Description

Medical syringe
Technical Field
The invention relates to the technical field of medical instruments, in particular to a medical injector.
Background
Syringes are a common medical implement and as early as the 15 th century the principle of the syringe was proposed by kathler, italian. It is mainly used for injecting liquid medicine or extracting liquid. Syringes may also be used for injection through rubber septa in medical devices, containers, scientific instruments such as in some chromatography. Injecting gas into a blood vessel will cause air embolism. The method of removing air from the syringe to avoid embolism is to invert the syringe, gently tap it, and then squeeze out a little liquid before injecting into the bloodstream.
However, when the injector injects some drugs like penicillin, a skin test needs to be performed on a patient to test whether the patient is allergic to the drugs to be injected, and the current practice is to take an additional tool to perform the skin test before injection, and inject the drugs with the injector after the skin test is completed.
Disclosure of Invention
Aiming at the technical problem that the process is complicated due to the fact that other medical instruments need to be used in the background technology, the skin test injector and the main injector are integrally installed, and the skin test injector is used for skin test, so that the purpose of quickly performing skin test operation is achieved.
In order to achieve the purpose, the invention provides the following technical scheme:
a medical injector comprises a main injector and a skin test injector, wherein the main injector and the skin test injector are integrally installed;
the main injector comprises a main needle cylinder, a main needle head, a main push rod and a main protective sleeve; the skin test injector comprises a skin test needle cylinder, a skin test needle head, a skin test push rod and a skin test protective sleeve;
the main needle cylinder and the skin test needle cylinder are connected through a plane body, the connection part of the main needle cylinder and the skin test needle cylinder is a connection wall, a one-way valve is arranged on the connection wall, liquid medicine in the main needle cylinder passes through the one-way valve to flow towards the skin test needle cylinder, the setting position of the one-way valve is below the scale of the main needle cylinder for normally injecting medicine, and the normally injected medicine is prevented from flowing towards the skin test needle cylinder through the one-way valve.
Through the technical scheme, the skin test injector and the main injector are integrally installed, and the skin test is performed by using the skin test injector, so that the aim of quickly performing skin test operation is fulfilled
Specifically, when the skin test injector is used, two modes are generally adopted for skin test, 1, the liquid medicine in the main injector is directly used for skin test (in rare cases), at the moment, the liquid medicine in the main injector enters the skin test injector through the one-way valve, and a skin test needle of the skin test injector is used for skin test operation;
2. directly using a skin test needle to suck externally diluted liquid medicine for skin test, and using a main injector to carry out injection operation after the skin test is finished.
The invention is further configured to: the skin test needle head is provided with a bending section, and the bending section is bent towards one side far away from the main needle head, so that skin test operation is facilitated.
Through above-mentioned technical scheme, the bending section is used for being convenient for to make the skin test, prevents that skin test syringe needle and main syringe needle are adjacent too near, influences the skin test operation.
The invention is further configured to: the main needle cylinder and the skin test needle cylinder are both of structures with arc surfaces and planes, and the plane parts of the main needle cylinder and the skin test needle cylinder are integrally combined and formed.
The invention is further configured to: the utility model discloses a large diameter section, including main push rod, main needle cylinder, draw-in groove, rubber plug front end and guide part, the guide part is convenient for the rubber plug is compressed and is passed the little diameter section reachs the big diameter section, the rubber plug reachs can't be extracted after the big diameter section is inside.
Through the technical scheme, after injection is finished, the push rod cannot be pulled out, so that the self-destruction effect is achieved, and medical recycling is prevented from causing disease infection.
The invention is further configured to: the limiting block and the inner wall of the main needle cylinder are tightly fixed.
In conclusion, the invention has the following beneficial effects:
(1) the efficiency of skin test is improved;
(2) redundant skin test medical appliances are saved;
(3) can prevent the injector from being used for many times and prevent the infection of patients or medical care personnel.
Drawings
FIG. 1 is a schematic view of the overall structure of the syringe;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the overall structure of the main injector;
fig. 4 is an enlarged schematic view of B in fig. 3.
Reference numerals are as follows: 1. a main injector; 1-1, a main needle cylinder; 1-11 and a limiting block; 1-12, a card slot; 1-121, small diameter section; 1-122, large diameter section; 1-2, a main needle; 1-3, a main push rod; 1-31, a rod part; 1-32, rubber plug; 1-33, a guide part 1-4 and a main protective sleeve; 2. a skin test syringe; 2-1, a skin test needle cylinder; 2-2, skin test needle; 2-21, bending section; 2-3, pushing a skin test rod; 2-4, a skin test protective sleeve; 3. a connecting wall; 4. a one-way valve.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.
A medical injector, which is combined with figures 1-4, comprises a main injector 1 and a skin test injector 2, wherein the main injector 1 and the skin test injector 2 are integrally installed. The main injector 1 comprises a main needle cylinder 1-1, a main needle head 1-2, a main push rod 1-3 and a main protective sleeve 1-4; the skin test injector 2 comprises a skin test needle cylinder 2-1, a skin test needle 2-2, a skin test push rod 2-3 and a skin test protective sleeve 2-4.
The main needle cylinder 1-1 and the skin test needle cylinder 2-1 are integrally connected through a plane, the connecting part of the main needle cylinder 1-1 and the skin test needle cylinder 2-1 is a connecting wall 3, a one-way valve 4 is arranged on the connecting wall 3, liquid medicine in the main needle cylinder 1-1 flows to the skin test needle cylinder 2-1 through the one-way valve 4, and the setting position of the one-way valve 4 is below the scale of normal medicine injection of the main needle cylinder 1-1, so that the normal medicine injection is prevented from flowing to the skin test needle cylinder 2-1 through the one-way valve 4.
The skin test needle head 2-2 is provided with a bending section 2-21, and the bending section 2-21 is bent towards one side far away from the main needle head 1-2, so that skin test operation is facilitated. The main needle cylinder 1-1 and the skin test needle cylinder 2-1 are both provided with structures with arc surfaces and planes, and the plane parts of the main needle cylinder 1-1 and the skin test needle cylinder are integrally combined and molded.
The main push rod 1-3 comprises a rod part 1-31 and a rubber plug 1-32, a limiting block 1-11 is arranged at the bottom of the main needle cylinder 1-1, a clamping groove 1-12 is formed in the limiting block 1-11, the clamping groove 1-12 comprises a small diameter section 1-121 and a large diameter section 1-122, a guide part 1-33 is arranged at the front end of the rubber plug 1-32, the guide part 1-33 is convenient for the rubber plug 1-32 to be compressed to penetrate through the small diameter section 1-121 to reach the large diameter section 1-122, and the rubber plug 1-32 cannot be pulled out after reaching the inside of the large diameter section 1-122. The limiting block 1-11 is tightly fixed with the inner wall of the main needle cylinder 1-1.
The above description is only a preferred embodiment of the present invention, and the scope of the present invention is not limited to the above embodiments, and all technical solutions that belong to the idea of the present invention belong to the scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (5)

1. A medical injector, includes main syringe (1) and skin test syringe (2), integrative the installation of main syringe (1) and skin test syringe (2), its characterized in that:
the main injector (1) comprises a main needle cylinder (1-1), a main needle head (1-2), a main push rod (1-3) and a main protective sleeve (1-4); the skin test injector (2) comprises a skin test needle cylinder (2-1), a skin test needle head (2-2), a skin test push rod (2-3) and a skin test protective sleeve (2-4);
the main needle cylinder (1-1) and the skin test needle cylinder (2-1) are integrally connected through a plane, the connecting part of the main needle cylinder and the skin test needle cylinder is a connecting wall (3), a one-way valve (4) is arranged on the connecting wall (3), liquid medicine in the main needle cylinder (1-1) flows to the skin test needle cylinder (2-1) through the one-way valve (4), the setting position of the one-way valve (4) is below the scale of the main needle cylinder (1-1) for normally injecting medicine, and the normally injected medicine is prevented from flowing to the skin test needle cylinder (2-1) through the one-way valve (4).
2. A medical injector according to claim 1, characterized in that: the skin test needle head (2-2) is provided with a bending section (2-21), and the bending section (2-21) is bent towards one side far away from the main needle head (1-2), so that skin test operation is facilitated.
3. A medical injector according to claim 1, characterized in that: the main needle cylinder (1-1) and the skin test needle cylinder (2-1) are both of structures with arc surfaces and planes, and the plane parts of the main needle cylinder and the skin test needle cylinder are integrally combined and formed.
4. A medical injector according to claim 1, characterized in that: the main push rod (1-3) comprises a rod part (1-31) and a rubber plug (1-32), the bottom of the main needle cylinder (1-1) is provided with a limiting block (1-11), a clamping groove (1-12) is formed in the limiting block (1-11), the clamping groove (1-12) comprises a small diameter section (1-121) and a large diameter section (1-122), the front end of the rubber plug (1-32) is provided with a guide part (1-33), the guide part (1-33) is convenient for the rubber plug (1-32) to be compressed and penetrate through the small diameter section (1-121) to reach the large diameter section (1-122), and the rubber plug (1-32) can not be pulled out after reaching the inside of the large diameter section (1-122).
5. A medical injector according to claim 4, characterized in that: the limiting blocks (1-11) are tightly fixed with the inner wall of the main needle cylinder (1-1).
CN202110589721.0A 2021-05-28 2021-05-28 Medical syringe Active CN113289149B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110589721.0A CN113289149B (en) 2021-05-28 2021-05-28 Medical syringe

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Application Number Priority Date Filing Date Title
CN202110589721.0A CN113289149B (en) 2021-05-28 2021-05-28 Medical syringe

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Publication Number Publication Date
CN113289149A CN113289149A (en) 2021-08-24
CN113289149B true CN113289149B (en) 2022-08-19

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Citations (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85202594U (en) * 1985-06-25 1986-06-25 顾茂松 Medical intrdermal syringe
CN2260617Y (en) * 1996-07-23 1997-08-27 谢旭明 Syringe special for Jinpu preparation
WO1999020788A1 (en) * 1997-10-17 1999-04-29 University Of South Florida Method to diagnose and monitor cellular immune deficiencies
CN2699916Y (en) * 2004-04-15 2005-05-18 胡晓兰 Novel aseptic injector
CN2808179Y (en) * 2005-04-15 2006-08-23 胡永良 Safe and sterile syringe
CN2880119Y (en) * 2005-12-23 2007-03-21 吕凤华 Medical injector for skin test
CN201108645Y (en) * 2007-07-26 2008-09-03 无锡市宇寿医疗器械有限公司 Disposable self-destroyable syringe
CN201257202Y (en) * 2008-08-28 2009-06-17 江西三鑫医疗器械集团有限公司 Small dose screw syringe
CN201481925U (en) * 2009-08-04 2010-05-26 廖日华 Disposable skin test syringe
CN101732792A (en) * 2009-11-26 2010-06-16 耿燕 Medical syringe with vitreous cavity
CN201832228U (en) * 2010-11-08 2011-05-18 吴立新 ST (skin test) injector
CN201987981U (en) * 2011-03-02 2011-09-28 王美莲 Syringe
CN202336111U (en) * 2011-12-10 2012-07-18 闫桂华 Injection-depth-controllable injector for nursing
CN202802510U (en) * 2012-09-27 2013-03-20 王增叶 Skin test sterilization device
CN202844268U (en) * 2012-08-31 2013-04-03 丛晶枫 Nursing injector
CN202961380U (en) * 2012-12-08 2013-06-05 李光忠 Skin test protection device of tuberculosis patients
CN203815983U (en) * 2014-04-17 2014-09-10 田美琴 Support frame for skin test needle
CN204910342U (en) * 2015-07-27 2015-12-30 鹰潭荣嘉集团医疗器械实业有限公司 Sterile solution syringe of filterable impurity can lead
CN205379469U (en) * 2016-01-26 2016-07-13 安徽智博新材料科技有限公司 Ware is prepared to skin test liquid
CN205994680U (en) * 2016-06-08 2017-03-08 常州市第一人民医院 TAT skin test injects Special disc
CN206482929U (en) * 2016-11-08 2017-09-12 邢孝玲 Western medicine medicament skin test injection device
CN206499731U (en) * 2016-11-29 2017-09-19 温州医科大学 A kind of emptying type syringe
CN107376749A (en) * 2017-06-30 2017-11-24 中国人民解放军第三军医大学第附属医院 Reagent rapid preparing syringe
CN108578833A (en) * 2018-04-03 2018-09-28 复旦大学附属中山医院 A kind of injection device
CN109498911A (en) * 2018-12-14 2019-03-22 王红玲 Syringe for syringe
CN209237056U (en) * 2018-08-27 2019-08-13 鹰潭荣嘉集团医疗器械实业有限公司 A kind of digital one time subtractive angiography asepsis injector
CN110478576A (en) * 2019-09-20 2019-11-22 灏曦(天津)生物技术有限公司 A kind of intracutaneous injection needle assemblies of fixed puncture angle and depth
CN209679193U (en) * 2019-01-15 2019-11-26 曲红英 A kind of skin test injection device
CN210428795U (en) * 2019-11-04 2020-04-28 孙文 Wrist type skin test result alarm
CN210409149U (en) * 2019-02-15 2020-04-28 华中科技大学同济医学院附属协和医院 Automatic skin test injection instrument
CN210521499U (en) * 2019-06-14 2020-05-15 胡艳敏 Disposable special sensitive test syringe

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CN2306792Y (en) * 1997-07-23 1999-02-10 杨士梅 Disposable intracutaneous syringe
CN201286913Y (en) * 2008-10-17 2009-08-12 田丽 Skin-test syringe needle
CN201692436U (en) * 2010-06-24 2011-01-05 张国兰 Special injector for children
CN202143739U (en) * 2011-06-26 2012-02-15 管香芹 Skin test disinfector
US20180326095A1 (en) * 2017-05-11 2018-11-15 AllerQuest LLC Kits and methods to detect penicillin allergy
CN110064103A (en) * 2018-01-23 2019-07-30 袁丽 A kind of syringe needle and syringe

Patent Citations (31)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN85202594U (en) * 1985-06-25 1986-06-25 顾茂松 Medical intrdermal syringe
CN2260617Y (en) * 1996-07-23 1997-08-27 谢旭明 Syringe special for Jinpu preparation
WO1999020788A1 (en) * 1997-10-17 1999-04-29 University Of South Florida Method to diagnose and monitor cellular immune deficiencies
CN2699916Y (en) * 2004-04-15 2005-05-18 胡晓兰 Novel aseptic injector
CN2808179Y (en) * 2005-04-15 2006-08-23 胡永良 Safe and sterile syringe
CN2880119Y (en) * 2005-12-23 2007-03-21 吕凤华 Medical injector for skin test
CN201108645Y (en) * 2007-07-26 2008-09-03 无锡市宇寿医疗器械有限公司 Disposable self-destroyable syringe
CN201257202Y (en) * 2008-08-28 2009-06-17 江西三鑫医疗器械集团有限公司 Small dose screw syringe
CN201481925U (en) * 2009-08-04 2010-05-26 廖日华 Disposable skin test syringe
CN101732792A (en) * 2009-11-26 2010-06-16 耿燕 Medical syringe with vitreous cavity
CN201832228U (en) * 2010-11-08 2011-05-18 吴立新 ST (skin test) injector
CN201987981U (en) * 2011-03-02 2011-09-28 王美莲 Syringe
CN202336111U (en) * 2011-12-10 2012-07-18 闫桂华 Injection-depth-controllable injector for nursing
CN202844268U (en) * 2012-08-31 2013-04-03 丛晶枫 Nursing injector
CN202802510U (en) * 2012-09-27 2013-03-20 王增叶 Skin test sterilization device
CN202961380U (en) * 2012-12-08 2013-06-05 李光忠 Skin test protection device of tuberculosis patients
CN203815983U (en) * 2014-04-17 2014-09-10 田美琴 Support frame for skin test needle
CN204910342U (en) * 2015-07-27 2015-12-30 鹰潭荣嘉集团医疗器械实业有限公司 Sterile solution syringe of filterable impurity can lead
CN205379469U (en) * 2016-01-26 2016-07-13 安徽智博新材料科技有限公司 Ware is prepared to skin test liquid
CN205994680U (en) * 2016-06-08 2017-03-08 常州市第一人民医院 TAT skin test injects Special disc
CN206482929U (en) * 2016-11-08 2017-09-12 邢孝玲 Western medicine medicament skin test injection device
CN206499731U (en) * 2016-11-29 2017-09-19 温州医科大学 A kind of emptying type syringe
CN107376749A (en) * 2017-06-30 2017-11-24 中国人民解放军第三军医大学第附属医院 Reagent rapid preparing syringe
CN108578833A (en) * 2018-04-03 2018-09-28 复旦大学附属中山医院 A kind of injection device
CN209237056U (en) * 2018-08-27 2019-08-13 鹰潭荣嘉集团医疗器械实业有限公司 A kind of digital one time subtractive angiography asepsis injector
CN109498911A (en) * 2018-12-14 2019-03-22 王红玲 Syringe for syringe
CN209679193U (en) * 2019-01-15 2019-11-26 曲红英 A kind of skin test injection device
CN210409149U (en) * 2019-02-15 2020-04-28 华中科技大学同济医学院附属协和医院 Automatic skin test injection instrument
CN210521499U (en) * 2019-06-14 2020-05-15 胡艳敏 Disposable special sensitive test syringe
CN110478576A (en) * 2019-09-20 2019-11-22 灏曦(天津)生物技术有限公司 A kind of intracutaneous injection needle assemblies of fixed puncture angle and depth
CN210428795U (en) * 2019-11-04 2020-04-28 孙文 Wrist type skin test result alarm

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