CN106110444A - A kind of multifunctional injector - Google Patents

A kind of multifunctional injector Download PDF

Info

Publication number
CN106110444A
CN106110444A CN201610839267.9A CN201610839267A CN106110444A CN 106110444 A CN106110444 A CN 106110444A CN 201610839267 A CN201610839267 A CN 201610839267A CN 106110444 A CN106110444 A CN 106110444A
Authority
CN
China
Prior art keywords
injection
hinge
medicinal liquid
syringe needle
syringe
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.)
Pending
Application number
CN201610839267.9A
Other languages
Chinese (zh)
Inventor
高玉霞
王晶晶
谢姣
王毅
齐冲
王艳军
张金勇
葛高琪
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.)
Jilin University
Original Assignee
Jilin University
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 Jilin University filed Critical Jilin University
Priority to CN201610839267.9A priority Critical patent/CN106110444A/en
Publication of CN106110444A publication Critical patent/CN106110444A/en
Pending legal-status Critical Current

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
    • 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
    • A61M5/3145—Filters incorporated in syringes
    • 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
    • A61M5/3146—Priming, e.g. purging, reducing backlash or clearance
    • 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
    • A61M5/329—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 characterised by features of the needle shaft
    • 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
    • A61M2205/00—General characteristics of the apparatus
    • A61M2205/75—General characteristics of the apparatus with filters

Abstract

The invention discloses a kind of multifunctional injector, be made up of syringe needle, the empty cylinder of injection and injection ram, syringe needle is arranged on the empty cylinder front end of injection, and injection ram is arranged in the empty cylinder of injection；During extraction medicinal liquid, pull injection ram, piston cylinder empty with injection matches and carries out extracting medicinal liquid, syringe needle carries out extracting medicinal liquid, when medicinal liquid arrives shunting hinge, the first through hole passage is opened, the second through hole passage Guan Bi, medicinal liquid enters in the empty cylinder of injection from the first through hole passage, filter screen filtration drug particles；During liquid medicine injection, principle is identical with extraction medicinal liquid, and runner is contrary, makes medicinal liquid all discharge.Present configuration is simple and convenient to operate, safe and reliable, in syringe can be reduced and the residual volume of phial inner liquid medicine, reduce drug waste, ensure medication effect, syringe pintle filtering net can effectively stop the granule in medicinal liquid, it is ensured that drug safety, is a kind of multi-functional syringe.

Description

A kind of multifunctional injector
Technical field
The present invention relates to a kind of medical instrument, particularly to a kind of multifunctional injector.
Background technology
Syringe is a kind of common medical instruments, by syringe needle (by needle point, pin stalk, pintle constitutes) and syringe (by nipple, Empty cylinder, piston, piston shaft and piston handle are constituted) composition, mainly with injection or drawing liquid medicinal liquid, especially for intravenous injection with Venous transfusion；Originally there is syringe dead space during injection causes there is remaining dose to the syringe of clinical practice at present, makes Dose of medicament is inaccurate, especially some inject dosage biological preparation little, expensive, it is easy to drug waste, fall Low curative effect of medication；On the other hand can may produce insoluble micro-particle when syringe needle penetrates into bottle cap and enter human body as a kind of foreign body Can not be metabolized, can block heart and brain or pulmonary vascular, unhealthful or cause life danger, or cause human body long-term, latent , irreversible infringement, it is one of major issue of facing at present that microgranule pollutes.
Summary of the invention
The invention aims to solve above-mentioned existing syringe there is syringe dead space and causes in this during injection Have remaining dose, make dose of medicament inaccurate, especially some injection dosage biological preparation little, expensive, hold very much Easily drug waste, reduces curative effect of medication；On the other hand insoluble micro-particle may can be produced as one when syringe needle penetrates into bottle cap Kind of foreign body enters human body and can not be metabolized, and can block heart and brain or pulmonary vascular, unhealthful or cause the problems such as life danger, and A kind of multifunctional injector is provided.
The present invention is made up of syringe needle, the empty cylinder of injection and injection ram, and syringe needle is arranged on the empty cylinder of injection Front end, injection ram is arranged in the empty cylinder of injection；
Syringe needle includes entry needle stalk and flow distribution plate, and flow distribution plate is fixedly installed on entry needle stalk, makes syringe needle Stalk is divided into two parts, and has the first through hole and the second through hole, has shunting hinge in the pintle of syringe needle rear end, shunting Hinge is fixedly installed on flow distribution plate, and shunting hinge and flow distribution plate form two opposing seal streams respectively in syringe needle Road, has the first block and the second block in pintle；
Shunting hinge includes fixed plate, the first hinge and the second hinge, and the first hinge is arranged on by the first rotating shaft is hinged On the left of fixed plate, the second hinge is arranged on the right side of fixed plate by the second rotating shaft is hinged, and the first hinge and the first block match, Second hinge and the second block match, and the first hinge and the second hinge are respectively provided with rubber sleeve, and the first hinge and second closes Page seals mutually with syringe needle rear end pintle respectively and coordinates, and pintle has drainage screen, and drainage screen is fixedly installed on the first conjunction Page front end；
The empty cylinder front end of injection has nipple；
Injection ram front end has piston, and piston nose has drug row nipple, and drug row nipple matches with nipple.
The operation principle of the present invention and process:
During extraction medicinal liquid, pulling injection ram, piston cylinder empty with injection matches and carries out extracting medicinal liquid, and syringe needle enters Row extraction medicinal liquid, when medicinal liquid arrives shunting hinge, the first hinge and the first block match, and the first through hole passage is opened, the Two hinges and the second block match, the second through hole passage Guan Bi, and medicinal liquid enters in the empty cylinder of injection from the first through hole passage, Filter screen filtration drug particles；
During liquid medicine injection, promoting injection ram, piston cylinder empty with injection matches and carries out liquid medicine injection, and syringe needle enters Row discharges medicinal liquid, and when medicinal liquid arrives shunting hinge, the first hinge and the first block match, the first through hole passage Guan Bi, the Two hinges and the second block match, and the second through hole passage is opened, and drug row nipple matches with nipple, makes medicinal liquid all arrange Go out.
Beneficial effects of the present invention:
Present configuration is simple and convenient to operate, safe and reliable, in syringe can be reduced and the remnants of phial inner liquid medicine Amount, reduces drug waste, it is ensured that medication effect, and syringe pintle filtering net can effectively stop the granule in medicinal liquid, it is ensured that Drug safety, is a kind of multi-functional syringe.
Accompanying drawing explanation
Fig. 1 is the schematic perspective view of the present invention.
Fig. 2 is the perspective exploded view of the present invention.
Fig. 3 is the internal structure schematic diagram of syringe needle of the present invention.
Fig. 4 is the structural representation of syringe needle of the present invention.
Fig. 5 is the structural representation that the present invention shunts hinge.
Detailed description of the invention
Referring to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, the present invention is by syringe needle 1, the empty cylinder 2 of injection and injection Piston 3 forms, and syringe needle 1 is arranged on empty cylinder 2 front end of injection, and injection ram 3 is arranged in the empty cylinder 2 of injection；
Syringe needle 1 includes entry needle stalk 11 and flow distribution plate 14, and flow distribution plate 14 is fixedly installed on entry needle stalk 11, makes Syringe needle stalk 1 is divided into two parts, and has the first through hole 12 and the second through hole 13, in syringe needle 1 rear end pintle 19 Having shunting hinge 15, shunting hinge 15 is fixedly installed on flow distribution plate 14, and shunting hinge 15 and flow distribution plate 14 are respectively in injection Form two opposing seal runners in device syringe needle 1, there is in pintle 19 first block 16 and the second block 17；
Shunting hinge 15 includes fixed plate the 151, first hinge 152 and the second hinge 153, and the first hinge 152 is by first Rotating shaft 154 is hinged to be arranged on the left of fixed plate 151, and the second hinge 153 is arranged on fixed plate 151 by the second rotating shaft 155 is hinged Right side, the first hinge 152 matches with the first block 16, and the second hinge 153 matches with the second block 17, the first hinge 152 Be respectively provided with rubber sleeve with on the second hinge 153, the first hinge 152 and the second hinge 153 respectively with syringe needle 1 rear end pin Bolt 19 phase seals and coordinates, and pintle 19 has drainage screen 18, and drainage screen 18 is fixedly installed on the first hinge 152 front end；
Empty cylinder 2 front end of injection has nipple 21；
Injection ram 3 front end has piston 31, and piston 31 front end has drug row nipple 32, drug row nipple 32 and nipple 21 phase Coordinate.
The operation principle of the present invention and process:
Refer to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5, during extraction medicinal liquid, pull injection ram 3, piston 31 and injection Empty cylinder 2 matches and carries out extracting medicinal liquid, and syringe needle 1 carries out extracting medicinal liquid, when medicinal liquid arrives shunting hinge 15, and the first hinge 152 match with the first block 16, and at the first through hole 12, passage is opened, and the second hinge 153 matches with the second block 17, and second Passage Guan Bi at through hole 13, medicinal liquid passage at the first through hole 12 enters in the empty cylinder 2 of injection, drainage screen 18 filtered drug granule；
During liquid medicine injection, promoting injection ram 3, piston 31 cylinder 2 empty with injection matches and carries out liquid medicine injection, syringe needle 1 carries out discharging medicinal liquid, and when medicinal liquid arrives shunting hinge 15, the first hinge 152 matches with the first block 16, the first through hole 12 Place's passage Guan Bi, the second hinge 153 matches with the second block 17, and at the second through hole 13, passage is opened, drug row nipple 32 and breast 21 match, and make medicinal liquid all discharge.

Claims (3)

1. a multifunctional injector, it is characterised in that: it is by syringe needle (1), the empty cylinder (2) of injection and injection ram (3) Composition, syringe needle (1) is arranged on empty cylinder (2) front end of injection, and injection ram (3) is arranged in the empty cylinder (2) of injection；
Syringe needle (1) includes that entry needle obstructs (11) and flow distribution plate (14), and flow distribution plate (14) is fixedly installed on entry needle stalk (11), on, make syringe needle stalk (1) be divided into two parts, and there is the first through hole (12) and the second through hole (13), syringe needle Having shunting hinge (15) in head (1) rear end pintle (19), shunting hinge (15) is fixedly installed on flow distribution plate (14), and shunting is closed Page (15) and flow distribution plate (14) two opposing seal runners of formation in syringe needle (1) respectively, have the in pintle (19) One block (16) and the second block (17).
A kind of multifunctional injector the most according to claim 1, it is characterised in that: described shunting hinge (15) includes fixing Plate (151), the first hinge (152) and the second hinge (153), the first hinge (152) is arranged on by the first rotating shaft (154) is hinged Fixed plate (151) left side, the second hinge (153) is arranged on the right side of fixed plate (151) by the second rotating shaft (155) is hinged, and first Hinge (152) matches with the first block (16), and the second hinge (153) matches with the second block (17), the first hinge (152) Be respectively provided with rubber sleeve with on the second hinge (153), the first hinge (152) and the second hinge (153) respectively with syringe needle (1) rear end pintle (19) seals cooperation mutually, and pintle (19) has drainage screen (18), drainage screen 18) it is fixedly installed on the first conjunction Page (152) front end.
A kind of multifunctional injector the most according to claim 1, it is characterised in that: empty cylinder (2) front end of described injection has Nipple (21)；
Injection ram (3) front end has piston (31), and piston (31) front end has drug row nipple (32), drug row nipple (32) and breast Head (21) matches.
CN201610839267.9A 2016-09-22 2016-09-22 A kind of multifunctional injector Pending CN106110444A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610839267.9A CN106110444A (en) 2016-09-22 2016-09-22 A kind of multifunctional injector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610839267.9A CN106110444A (en) 2016-09-22 2016-09-22 A kind of multifunctional injector

Publications (1)

Publication Number Publication Date
CN106110444A true CN106110444A (en) 2016-11-16

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610839267.9A Pending CN106110444A (en) 2016-09-22 2016-09-22 A kind of multifunctional injector

Country Status (1)

Country Link
CN (1) CN106110444A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106963643A (en) * 2017-04-24 2017-07-21 苏州科技城医院 Antispray two-tube injection needle
CN107456632A (en) * 2017-09-23 2017-12-12 吉林大学 A kind of anti-micro particle filtering formula syringe
CN107811859A (en) * 2017-11-30 2018-03-20 华德芳 Dispensing injector with pin
CN107929879A (en) * 2017-12-11 2018-04-20 北京麦康医疗器械有限公司 A kind of precise filtering injector
CN108325032A (en) * 2018-04-23 2018-07-27 吉林大学 A kind of anti-micro particle filtering syringe needle

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096860A (en) * 1975-10-08 1978-06-27 Mclaughlin William F Dual flow encatheter
CN2708915Y (en) * 2004-05-24 2005-07-13 袁文娟 Disposable residue less injector
KR20120114742A (en) * 2011-04-08 2012-10-17 주식회사 쟈마트 A nidel with filter
CN105708693A (en) * 2016-03-30 2016-06-29 王高松 Filter needle for injector
CN105832547A (en) * 2016-05-27 2016-08-10 浙江康德莱医疗器械股份有限公司 Bidirectional filter dispensing injection needle
CN105853227A (en) * 2016-05-27 2016-08-17 浙江康德莱医疗器械股份有限公司 Unidirectional filtration safe dispensing injection needle
CN105919806A (en) * 2016-05-27 2016-09-07 浙江康德莱医疗器械股份有限公司 Dispensing injection needle with one-way filtration function
CN105943383A (en) * 2016-05-27 2016-09-21 浙江康德莱医疗器械股份有限公司 A unidirectional filter medicine preparation injection needle

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4096860A (en) * 1975-10-08 1978-06-27 Mclaughlin William F Dual flow encatheter
CN2708915Y (en) * 2004-05-24 2005-07-13 袁文娟 Disposable residue less injector
KR20120114742A (en) * 2011-04-08 2012-10-17 주식회사 쟈마트 A nidel with filter
CN105708693A (en) * 2016-03-30 2016-06-29 王高松 Filter needle for injector
CN105832547A (en) * 2016-05-27 2016-08-10 浙江康德莱医疗器械股份有限公司 Bidirectional filter dispensing injection needle
CN105853227A (en) * 2016-05-27 2016-08-17 浙江康德莱医疗器械股份有限公司 Unidirectional filtration safe dispensing injection needle
CN105919806A (en) * 2016-05-27 2016-09-07 浙江康德莱医疗器械股份有限公司 Dispensing injection needle with one-way filtration function
CN105943383A (en) * 2016-05-27 2016-09-21 浙江康德莱医疗器械股份有限公司 A unidirectional filter medicine preparation injection needle

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106963643A (en) * 2017-04-24 2017-07-21 苏州科技城医院 Antispray two-tube injection needle
CN107456632A (en) * 2017-09-23 2017-12-12 吉林大学 A kind of anti-micro particle filtering formula syringe
CN107811859A (en) * 2017-11-30 2018-03-20 华德芳 Dispensing injector with pin
CN107929879A (en) * 2017-12-11 2018-04-20 北京麦康医疗器械有限公司 A kind of precise filtering injector
CN108325032A (en) * 2018-04-23 2018-07-27 吉林大学 A kind of anti-micro particle filtering syringe needle
CN108325032B (en) * 2018-04-23 2023-09-01 吉林吉大孵化器有限公司 Anti-particle filtering needle

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Application publication date: 20161116