CN103006437A - Double-channel filtration dosing injection syringe - Google Patents

Double-channel filtration dosing injection syringe Download PDF

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Publication number
CN103006437A
CN103006437A CN2012105110244A CN201210511024A CN103006437A CN 103006437 A CN103006437 A CN 103006437A CN 2012105110244 A CN2012105110244 A CN 2012105110244A CN 201210511024 A CN201210511024 A CN 201210511024A CN 103006437 A CN103006437 A CN 103006437A
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China
Prior art keywords
syringe
medicine
passage
holding tank
drug
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Pending
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CN2012105110244A
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Chinese (zh)
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陈庆强
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Individual
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Individual
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Priority to CN2012105110244A priority Critical patent/CN103006437A/en
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    • 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
    • A61M5/3145Filters incorporated in syringes
    • 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
    • A61M2005/3128Incorporating one-way valves, e.g. pressure-relief or non-return valves

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  • 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

The invention discloses a double-channel filtration dosing injection syringe. The injection syringe comprises a syringe, a guide cover plate which is arranged on the upper end of the syringe, a piston which is arranged in the syringe and a cylindrical push rod which penetrates through the guide cover plate to extend into the syringe and is connected with the piston, and further comprises a double-channel dosing filter which is arranged in the syringe and is positioned below the piston, wherein the inner part of the double-channel dosing filter is provided with a dosing channel and a medicine discharge channel, which are communicated with the syringe, one-way valves which can be communicated unidirectionally are respectively arranged in the dosing channel and the medicine discharge channel, the communication directions of the one-way valves in the dosing channel and the medicine discharge channel are opposite, and at least one of the dosing channel and the medicine discharge channel is provided with a filtering membrane. The double-channel filtration dosing injection syringe is low in cost and has a wide application scope.

Description

A kind of dual channel filtered medicine adding syringe
Technical field
The present invention relates to a kind of syringe, relate in particular to a kind of dual channel filtered medicine adding syringe.
Background technology
At present; the employed medicine adding syringe of venous transfusion dosing is ordinary syringe; ordinary syringe is not all with the function of medical filtration; generally when dosing; can form rubber particle after the rubber stopper of liquid medicine bottle is pricked by syringe needle and enter into liquid medicine with syringe needle; same; manually break off with the fingers and thumb again after the top of glass liquid medicine bottle of sealing is cut by little emery wheel and also can form glass granules when disconnected and enter into liquid medicine; and when injection; these transfusion particles of rubber or glass can be expelled in the human body with liquid medicine; enter into lung tissue through blood again, infringement lung tissue even tumor become, and transfusion particle has been the known fact to the harm that human body produces.
Address the above problem at present is by the precision infusion set of use with filter, the syringe costliness that the price of this precision infusion set is more common, and its filter is by gravity filtration, filter membrane is thinner, filter effect is restricted, and the safe handling amount of infusion is limited in 1500ml, and therefore the clinical transfusion amount still has certain limitation often all greater than 1500ml; Because the precision infusion set price with filter is high, basic hospital does not use this precision infusion set substantially, so that the scope of application is restricted.
Summary of the invention
The purpose of this invention is to provide a kind of dual channel filtered medicine adding syringe, solved the high and narrow problem of the scope of application of use cost of precision infusion set.
For achieving the above object, the invention provides a kind of dual channel filtered medicine adding syringe, comprise syringe, be arranged on the defelctor apron of described syringe upper end, be arranged on the piston in the described syringe, and pass described defelctor apron and stretch in the described syringe and the column push rod that is connected with described piston, also comprise the dual pathways dosing filter of being located in the described syringe and being positioned at described piston below, the inside of described dual pathways dosing filter be provided be communicated to described syringe advance medicine passage and drug passage, describedly advance in medicine passage and the described drug passage to be equipped with the check valve that to realize one-way conduction, the described conducting direction that advances the check valve in medicine passage and the described drug passage is opposite, and described advance medicine passage and described drug passage one of them is provided with filter membrane at least.
Preferably, describedly advance in medicine passage and the described drug passage to be equipped with holding tank, be provided with in the described holding tank and can move up and down the valve block of realizing one-way conduction, described check valve is comprised of described holding tank and described valve block.
When the matsurface that contact with the roof of described holding tank when preferably, the described valve block that advances in the medicine passage is provided with into medicine and drug and the diapire of described holding tank seal the sealing surface of applying; The matsurface that valve block in the described drug passage contact with the diapire of described holding tank when being provided with drug and when advancing medicine and the roof of described holding tank seal the sealing surface of applying.
Preferably, the described roof that advances the holding tank in the medicine passage is shiny surface or matsurface, and the diapire of the holding tank in the described drug passage is shiny surface or matsurface.
When the matsurface that contacts with described valve block end face when preferably, the described holding tank that advances in the medicine passage is provided with into medicine and drug and the shiny surface of described valve block sealing bottom surface applying; The matsurface that contacts with described valve block bottom surface when the shiny surface of fitting with described valve block end face sealing when the holding tank in the described drug passage is provided with into medicine and drug.
Preferably, the described end face that advances the valve block in the medicine passage is shiny surface, and the bottom surface of the valve block in the described drug passage is shiny surface.
Preferably, the column push rod between described defelctor apron and the described piston is arranged with elasticity mantle sleeve pipe outward, and preferably the natural length of described elasticity mantle sleeve pipe is lacked than the stroke of described piston in described syringe, the naturally suction after can realizing extending.
Preferably, described defelctor apron has extended to form wing plate laterally, between described wing plate and described defelctor apron and the described syringe for interference or be threaded.
Compared with prior art, dual channel filtered medicine adding syringe of the present invention simple in structure, filter with common filter membrane, low price, so use cost is low, the scope of application is extensive, can use in the hospital of any stratum, use safety, can avoid transfusion particle to enter in the lung hole of human body human body is worked the mischief.
By following description also by reference to the accompanying drawings, it is more clear that the present invention will become, and these accompanying drawings are used for explaining embodiments of the invention.
Description of drawings
Fig. 1 be dual channel filtered medicine adding syringe the first embodiment of the present invention advance the medicine sketch map.
Fig. 2 is the partial enlarged drawing of Fig. 1.
Fig. 3 is the drug sketch map of dual channel filtered medicine adding syringe of the present invention.
Fig. 4 is the partial enlarged drawing of Fig. 2.
Fig. 5 is the partial schematic diagram of dual channel filtered medicine adding syringe the second embodiment of the present invention.
The specific embodiment
With reference now to accompanying drawing, describe embodiments of the invention, similar element numbers represents similar element in the accompanying drawing.
Please refer to Fig. 1-4, be the first embodiment of the present invention, in the present embodiment, described dual channel filtered medicine adding syringe comprise syringe 1, be arranged on described syringe 1 upper end defelctor apron 2, be arranged on piston 3 in the described syringe 1, pass described defelctor apron 2 and stretch in the described syringe 3 and the column push rod 4 that is connected with described piston 3 and to be located at described syringe 3 interior and be positioned at the dual pathways dosing filter 5 of described piston 3 belows.
Particularly, described defelctor apron 2 has extended to form wing plate 21 laterally, be be threaded (also can adopt interference fit, utilize the strain of plastics to form and closely cooperate) between described wing plate 21 and described defelctor apron 2 and the described syringe 1, processing is made up convenient like this.The column push rod 4 outer elasticity mantle sleeve pipes 6 that are arranged with between described defelctor apron 2 and the described piston 3, the natural length of the mantle of elasticity described in this specific embodiment sleeve pipe 6 (namely under the state that does not stress) is shorter than the stroke of described piston 3 in described syringe 1.After depressing column push rod 4, can utilize the resilience force drive piston 3 of elasticity mantle sleeve pipe 6 to move up like this, realize the auto-pumping medicinal liquid of incipient stage, firmly larger inconvenience when having avoided the beginning aspiration medicinal liquid is used convenient, laborsaving.
In the present embodiment, described dual pathways dosing filter 5 and described syringe 3 split settings, in other embodiments, described dual pathways dosing filter 5 can be one-body molded with described syringe 3.The inside of described dual pathways dosing filter 5 is provided be communicated with described syringe 1 parallel and advances medicine passage 52 and drug passage 53, and describedly advance medicine passage 52 along advancing prescription to being provided with successively check valve 54 and filter membrane 55, described drug passage 53 also is provided with filter membrane 55 and check valve 54 successively along the drug direction, and the described check valves 54 that advance in medicine passage 52 and the described drug passage 53 can realize that one-way conduction and conducting direction are opposite.
More specifically, describedly advance in medicine passage 52 and the described drug passage 53 to be equipped with holding tank 541, be provided with in the described holding tank 541 and can move up and down the valve block 542 of realizing one-way conduction, described check valve 54 is comprised of described holding tank 541 and described valve block 542.Described valve block 542 can not overturn in described holding tank 541, can be by the lateral length of described valve block 542 mode greater than vertical width of described holding tank 541 be realized, also can be by realizing in the holding tank 541 interior modes that the spacing valve block 542 of lead is set, perhaps be provided with groove in the both sides of valve block 542, and be provided with the projection that cooperates with groove in the both sides of holding tank 541 corresponding valve blocks, as long as valve block 542 can be moved up and down but do not overturn.
When the matsurface 54a that contact with the roof of described holding tank 541 when more specifically, the described valve blocks 542 that advance in the medicine passage 52 are provided with into medicine and drug and the diapire of described holding tank 541 seal the sealing surface 54b of applying; The matsurface 54a that valve blocks 15 in the described drug passage 53 contacts with the diapire of described holding tank 541 when also being provided with drug and when advancing medicine and the roof of described holding tank 541 seal the sealing surface 54b of applying.Described roof and the diapire that advances the holding tank 541 in medicine passage 52 and the described drug passage 53 is shiny surface.
When advancing medicinal liquid, spur described column push rod 4, medicinal liquid enters from the medicine passage 52 that advances of described dual channel filtered medicine adding syringe first, pass through successively described check valve 54 and described filter membrane 55, enter again in the described syringe 1, during through described check valve 54, medicinal liquid upwards pushes away described valve block 542 the matsurface 54a that makes described valve block 542 and contacts with the smooth roof of described holding tank 541, not that sealing is fitted between matsurface 54a and the smooth roof, so medicinal liquid can pass through from the slit between matsurface 54a and the smooth roof, and enter in the described syringe 1, medicinal liquid can filter out transfusion particle after filtering through described filter membrane 55.Because of check valve 54 directions in the described drug passage 53 and described check valve 54 opposite directions that advance medicine passage 52, be that medicinal liquid is when entering, the sealing surface 54b of the valve block 542 in the described drug passage 53 can fit with the roof sealing of described holding tank 541, so can stop medicinal liquid to enter in the described syringe 1 through described drug passage 53.
When going out medicinal liquid, promote described column push rod 4, medicinal liquid enters from the drug passage 53 of described syringe 1 through described dual channel filtered medicine adding syringe first, pass through successively described filter membrane 55 and described check valve 54, enter into again in the syringe needle, enter into people's intravenous by syringe needle, during through described check valve 54, medicinal liquid pushes away described valve block 542 downwards the matsurface 54a that makes described valve block 542 and contacts with the smooth diapire of described holding tank 541, not that sealing is fitted between matsurface 54a and the smooth diapire, so medicinal liquid can pass through from the slit between matsurface 54a and the smooth diapire, and enter in the syringe needle, medicinal liquid can filter out transfusion particle after filtering again through described filter membrane 55 fully, and filter effect is very good.Because the described sealing surface 54b that advances the valve block 542 in the medicine passage 52 can fit with the diapire sealing of described holding tank 541, so can stop medicinal liquid to advance medicine passage 52 and enter in the syringe needle through described.
In sum, dual channel filtered medicine adding syringe of the present invention simple in structure, the scope of application is extensive, can use in the hospital of any stratum, uses safety, can effectively avoid antibacterial and microgranule to enter infusion bottle.
Please refer to Fig. 5, be the second embodiment of the present invention, in the present embodiment, the described upper end of advancing medicine passage 52 and described drug passage 53 is provided with a filter membrane 55, the upper end of described filter membrane 55 is provided with the banking stop 7 with through hole 71, and described banking stop 7 is used for described filter membrane 55 is fixed on the described upper end of advancing medicine passage 52 and described drug passage 53.When advancing medicinal liquid, medicinal liquid advances in the medicine passage 52 to pass through successively described check valve 54 and described filter membrane 55 described, in the through hole 71 by described banking stop 7 enters into described syringe 1.When going out medicinal liquid, medicinal liquid enters into the described check valve 54 of described drug passage 53 interior processes through the through hole 71 of described banking stop 7 and described filter membrane 55 first again and enters in the syringe needle.Filter membrane 55 in the present embodiment can filter out transfusion particle fully, and filter effect is very good.Present embodiment has the effect identical with above-mentioned the first embodiment, so do not give unnecessary details.
The present invention also has the 3rd embodiment, and the difference of present embodiment and above-mentioned the first embodiment only is: the described roof that advances the holding tank 541 in the medicine passage 52 is matsurface, and the diapire of the holding tank 541 in the described drug passage 53 is matsurface.The matsurface of holding tank 541 contacts with the matsurface 54a of valve block 542, and medicinal liquid is passed through.Present embodiment has identical technique effect with above-mentioned the first embodiment, does not repeat them here.
The present invention also has the 4th embodiment, and the difference of present embodiment and above-mentioned the first embodiment only is: the described roof that advances the holding tank 541 in the medicine passage 52 is matsurface, and the diapire of the holding tank 541 in the described drug passage 53 is matsurface.The described end face that advances the valve block 542 in the medicine passage 52 is shiny surface, and the bottom surface of the valve block 542 in the described drug passage 53 is shiny surface, and the matsurface of holding tank 541 contacts with the shiny surface of valve block 542, and medicinal liquid is passed through.Present embodiment has identical technique effect with above-mentioned the first embodiment, does not repeat them here.
Above invention has been described in conjunction with most preferred embodiment, but the present invention is not limited to the embodiment of above announcement, and should contain various modification, equivalent combinations of carrying out according to essence of the present invention.

Claims (8)

1. dual channel filtered medicine adding syringe, comprise syringe, be arranged on the defelctor apron of described syringe upper end, be arranged on the piston in the described syringe, and pass described defelctor apron and stretch in the described syringe and the column push rod that is connected with described piston, it is characterized in that: also comprise the dual pathways dosing filter of being located in the described syringe and being positioned at described piston below, the inside of described dual pathways dosing filter be provided be communicated to described syringe advance medicine passage and drug passage, describedly advance in medicine passage and the described drug passage to be equipped with the check valve that to realize one-way conduction, the described conducting direction that advances the check valve in medicine passage and the described drug passage is opposite, and described advance medicine passage and described drug passage one of them is provided with filter membrane at least.
2. dual channel filtered medicine adding syringe as claimed in claim 1, it is characterized in that: describedly advance in medicine passage and the described drug passage to be equipped with holding tank, be provided with in the described holding tank and can move up and down the valve block of realizing one-way conduction, described check valve is comprised of described holding tank and described valve block.
3. dual channel filtered medicine adding syringe as claimed in claim 2 is characterized in that: when the matsurface that the described valve block that advances in the medicine passage contact with the roof of described holding tank when being provided with into medicine and drug and the diapire of described holding tank seal the sealing surface of applying; The matsurface that valve block in the described drug passage contact with the diapire of described holding tank when being provided with drug and when advancing medicine and the roof of described holding tank seal the sealing surface of applying.
4. dual channel filtered medicine adding syringe as claimed in claim 3 is characterized in that: the described roof that advances the holding tank in the medicine passage is shiny surface or matsurface, and the diapire of the holding tank in the described drug passage is shiny surface or matsurface.
5. dual channel filtered medicine adding syringe as claimed in claim 2 is characterized in that: when the matsurface that the described holding tank that advances in the medicine passage contacts with described valve block end face when being provided with into medicine and drug and the shiny surface of described valve block sealing bottom surface applying; The matsurface that contacts with described valve block bottom surface when the shiny surface of fitting with described valve block end face sealing when the holding tank in the described drug passage is provided with into medicine and drug.
6. dual channel filtered medicine adding syringe as claimed in claim 5 is characterized in that: the described end face that advances the valve block in the medicine passage is shiny surface, and the bottom surface of the valve block in the described drug passage is shiny surface.
7. dual channel filtered medicine adding syringe as claimed in claim 1, it is characterized in that: the column push rod between described defelctor apron and the described piston is arranged with elasticity mantle sleeve pipe outward.
8. dual channel filtered medicine adding syringe as claimed in claim 1, it is characterized in that: described defelctor apron has extended to form wing plate laterally, between described wing plate and described defelctor apron and the described syringe for interference or be threaded.
CN2012105110244A 2012-12-03 2012-12-03 Double-channel filtration dosing injection syringe Pending CN103006437A (en)

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Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104524670A (en) * 2015-01-19 2015-04-22 宣城市江南医疗器械有限公司 Needle type precise filtering and medicine dissolving syringe
CN105832546A (en) * 2016-05-27 2016-08-10 浙江康德莱医疗器械股份有限公司 Safe dispensing injection needle with one-way filter function
CN105919808A (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 structure
CN105919805A (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 bi-directional filtration function
CN105919807A (en) * 2016-05-27 2016-09-07 浙江康德莱医疗器械股份有限公司 Safe dispensing injection needle with bi-directional filtration function
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
WO2017043830A1 (en) * 2015-09-09 2017-03-16 라용국 Syringe with filter
CN107875483A (en) * 2017-11-21 2018-04-06 谷梨花 A kind of bone marrow in-cavity injection apparatus
CN108294945A (en) * 2018-01-25 2018-07-20 江苏苏云医疗器材有限公司 Dispenser
CN105832547B (en) * 2016-05-27 2018-07-24 浙江康德莱医疗器械股份有限公司 Bi-directional filtered dispensation injection needle
CN105853227B (en) * 2016-05-27 2018-08-21 浙江康德莱医疗器械股份有限公司 Unidirectional filtering safe type dispensation injection needle
KR20190054481A (en) * 2017-11-13 2019-05-22 (주)메디라인액티브코리아 Safety filtering syringe structure
KR20190054480A (en) * 2017-11-13 2019-05-22 (주)메디라인액티브코리아 Safety filtering syringe structure
CN109925885A (en) * 2019-04-16 2019-06-25 江苏金塔药业有限公司 Filter device
CN110236942A (en) * 2019-06-28 2019-09-17 江苏迪沃生物制品有限公司 The accurate dispenser of the universal automatic switchover of one kind and its application method
CN110384842A (en) * 2018-04-23 2019-10-29 象牙弗隆泰克株式会社 Filter syringe
CN110812228A (en) * 2019-12-09 2020-02-21 湖南平安医械科技有限公司 Precision filtering injector
EP4279101A1 (en) * 2022-05-16 2023-11-22 Medtronic MiniMed, Inc. Device for transferring and conditioning infusion liquid

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KR20100114742A (en) * 2009-04-16 2010-10-26 에스케이씨 주식회사 Biodegradable aliphatic polyester film
CN202920636U (en) * 2012-12-03 2013-05-08 陈庆强 Dual-channel filter dosing injector

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US4332249A (en) * 1980-08-01 1982-06-01 Sherwood Medical Industries, Inc. Filter and valve assembly for hypodermic syringe
CN101264359A (en) * 2008-04-29 2008-09-17 陈庆强 Automatic resorption type antipollution medicine adding syringe
CN201286910Y (en) * 2008-11-17 2009-08-12 大连医科大学附属第二医院 Disposable double filter-needles syringe/dispensation device
KR20100114742A (en) * 2009-04-16 2010-10-26 에스케이씨 주식회사 Biodegradable aliphatic polyester film
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Cited By (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104524670A (en) * 2015-01-19 2015-04-22 宣城市江南医疗器械有限公司 Needle type precise filtering and medicine dissolving syringe
WO2017043830A1 (en) * 2015-09-09 2017-03-16 라용국 Syringe with filter
RU2676440C1 (en) * 2015-09-09 2018-12-28 Йонг-Кук РА Filtering syringe
US11471604B2 (en) 2015-09-09 2022-10-18 Yong-Kuk RA Filtering syringe
CN108025141A (en) * 2015-09-09 2018-05-11 罗镛国 Filtration syringe
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
CN105832547B (en) * 2016-05-27 2018-07-24 浙江康德莱医疗器械股份有限公司 Bi-directional filtered dispensation injection needle
CN105919807A (en) * 2016-05-27 2016-09-07 浙江康德莱医疗器械股份有限公司 Safe dispensing injection needle with bi-directional filtration function
CN105919805A (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 bi-directional filtration function
CN105919807B (en) * 2016-05-27 2018-07-03 浙江康德莱医疗器械股份有限公司 Safety-type bi-directional filtered dispensation injection needle
CN105919808A (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 structure
CN105832546B (en) * 2016-05-27 2018-07-24 浙江康德莱医疗器械股份有限公司 Safety-type dispensation injection needle with unidirectional filtering function
CN105832546A (en) * 2016-05-27 2016-08-10 浙江康德莱医疗器械股份有限公司 Safe dispensing injection needle with one-way filter function
CN105853227B (en) * 2016-05-27 2018-08-21 浙江康德莱医疗器械股份有限公司 Unidirectional filtering safe type dispensation injection needle
CN105919805B (en) * 2016-05-27 2018-08-21 浙江康德莱医疗器械股份有限公司 Dispensation injection needle with bi-directional filtered function
CN105919808B (en) * 2016-05-27 2018-08-24 浙江康德莱医疗器械股份有限公司 Dispensation injection needle with unidirectional filtration
CN105919806B (en) * 2016-05-27 2018-09-21 浙江康德莱医疗器械股份有限公司 Dispensation injection needle with unidirectional filtering function
KR102087149B1 (en) 2017-11-13 2020-03-10 (주)메디라인액티브코리아 Safety filtering syringe structure
KR20190054481A (en) * 2017-11-13 2019-05-22 (주)메디라인액티브코리아 Safety filtering syringe structure
KR20190054480A (en) * 2017-11-13 2019-05-22 (주)메디라인액티브코리아 Safety filtering syringe structure
KR102098621B1 (en) 2017-11-13 2020-04-08 (주)메디라인액티브코리아 Safety filtering syringe structure
CN107875483A (en) * 2017-11-21 2018-04-06 谷梨花 A kind of bone marrow in-cavity injection apparatus
CN108294945A (en) * 2018-01-25 2018-07-20 江苏苏云医疗器材有限公司 Dispenser
CN110384842A (en) * 2018-04-23 2019-10-29 象牙弗隆泰克株式会社 Filter syringe
CN109925885A (en) * 2019-04-16 2019-06-25 江苏金塔药业有限公司 Filter device
CN109925885B (en) * 2019-04-16 2024-03-08 上海金塔医用器材有限公司 Filtering device
CN110236942A (en) * 2019-06-28 2019-09-17 江苏迪沃生物制品有限公司 The accurate dispenser of the universal automatic switchover of one kind and its application method
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Application publication date: 20130403