CN104546459A - Needle type syringe with function of accurately filtering dissolved drug - Google Patents

Needle type syringe with function of accurately filtering dissolved drug Download PDF

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Publication number
CN104546459A
CN104546459A CN201510025829.1A CN201510025829A CN104546459A CN 104546459 A CN104546459 A CN 104546459A CN 201510025829 A CN201510025829 A CN 201510025829A CN 104546459 A CN104546459 A CN 104546459A
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China
Prior art keywords
check valve
molten
valve sheet
port
main channel
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CN201510025829.1A
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Chinese (zh)
Inventor
邢维启
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XUANCHENG CITY JIANGNAN MEDICAL DEVICES Co Ltd
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XUANCHENG CITY JIANGNAN MEDICAL DEVICES Co Ltd
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Priority to CN201510025829.1A priority Critical patent/CN104546459A/en
Publication of CN104546459A publication Critical patent/CN104546459A/en
Pending legal-status Critical Current

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Abstract

The invention relates to a needle type syringe with a function of accurately filtering dissolved drug. The needle type syringe with the function of accurately filtering the dissolved drug comprises a push rod, a first dissolved drug tube, a dissolved drug cavity, a second dissolved drug tube and an injection needle, wherein the push rod is movably installed in the first dissolved drug tube, and the first dissolved drug tube is communicated with the dissolved drug cavity; a main channel and an auxiliary channel are arranged inside the second dissolved drug tube; the first end of the main channel is communicated with the dissolved drug cavity, the second end of the main channel is communicated with the injection needle, the first end of the auxiliary channel is communicated with the dissolved drug cavity, and the second end of the auxiliary channel intersects with the main channel. The needle type syringe with the function of accurately filtering the dissolved drug further comprises a main one-way valve plate and an auxiliary one-way valve plate, wherein the main one-way valve plate is installed at the first end of the main channel, the auxiliary one-way valve plate is installed at the second end of the auxiliary channel, and the main one-way valve plate and the auxiliary one-way valve plate are opposite to each other relative to the opening direction of the main channel; an accurate filter film is arranged in the dissolved drug cavity, and the space, located between the first end of the main channel and the first end of the auxiliary channel, of the interior of the dissolved drug cavity is divided by the accurate filter film. The needle type syringe with the function of accurately filtering the dissolved drug can filter drug liquid, and the phenomenon that particles cause damage to the body of a patient is avoided.

Description

The molten syringe of a kind of pin type secondary filter
Technical field
The invention belongs to medical instruments field, be specifically related to a kind of can the molten syringe of pin type secondary filter of filtering liquid medicine.
Background technology
The medicinal liquid of current Clinical practice is encapsulated in vial more, and when pricking the rubber stopper of vial with the syringe needle of syringe or cut vial extraction medicinal liquid with emery wheel, the microgranules such as bottle stopper material bits or glass powder are easily mixed into the liquid; In addition, because artificial preservation is improper or the reason such as operate miss also easily causes medicinal liquid to produce particulate matter.Again because common syringe does not possess filtering function, these microgranules will be injected in patient body together with medicinal liquid, thus cause multiple injury to the health of patient, and the lighter may bring out the diseases such as inflammation of vein, and severe one even may be carcinogenic.
Summary of the invention
The present invention is directed to ordinary syringe in prior art and do not possess filtering function, cause the problem that the health of the microgranule in medicinal liquid to patient damages, there is provided a kind of can microgranule effectively in filtering liquid medicine, prevent the molten syringe of pin type secondary filter that it damages the health of patient.
The molten syringe of a kind of pin type secondary filter that the present invention proposes, comprises push rod, the first molten pencil, molten medicine cavity, the second molten pencil and entry needle; Described push rod is movable to be installed in described first molten pencil, and described first molten pencil is connected with described molten medicine cavity; Described second molten pencil inside is provided with main channel and subaisle; First port of described main channel is communicated with described molten medicine cavity, and its second port is communicated with described entry needle; First port of described subaisle is communicated with described molten medicine cavity, and its second port and described main channel cross;
The molten syringe of described pin type secondary filter also comprises check valve, and described check valve comprises main check valve sheet and secondary check valve sheet; Described main check valve sheet is installed on the first port of described main channel, and described secondary check valve sheet is installed on the second port of described subaisle, and described main check valve sheet is contrary relative to the opening direction of described main channel with secondary check valve sheet; Described molten medicine inside cavity is provided with secondary filter film, and described secondary filter film is by spaced apart from the first port of described main channel between the first port of described subaisle of described molten medicine inside cavity.
Preferably, described main check valve sheet can be opened along the direction away from described main channel; Described secondary check valve sheet can be opened along the direction away from described subaisle.
Preferably, described molten medicine inside cavity is separated into main chamber and secondary cavity by described secondary filter film, and described main chamber is communicated with the first port of described main channel with described first molten pencil respectively, and described secondary cavity is communicated with the first port of described subaisle.
Preferably, described main check valve sheet and secondary check valve sheet are formed in one.
Preferably, described main check valve sheet and secondary check valve sheet are flexible check valve sheet.
Preferably, described main check valve sheet and secondary check valve sheet are specially integrated silica gel valve block.
Preferably, described main check valve sheet comprises fixed part, connecting portion and movable part, and described fixed part is connected with described secondary check valve sheet and is fixed in described molten medicine cavity, and described connecting portion is connected between described fixed part and described movable part.
Preferably, the thickness of described connecting portion is less than the thickness of described movable part.
Preferably, the U-type groove that described connecting portion is contrary with the opening direction forming an opening direction and described main check valve sheet between described fixed part, movable part three.
Preferably, be provided with lobe in described molten medicine cavity, the fixed part of described main check valve sheet is fixed by described lobe.
Beneficial effect: the molten syringe of pin type secondary filter that the present invention proposes, its second molten pencil inside is provided with main channel and subaisle; First port of main channel is communicated with molten medicine cavity, and its second port is communicated with entry needle; First port of subaisle is communicated with molten medicine cavity, and its second port and described main channel cross; Main check valve sheet is installed on the first port of main channel, and secondary check valve sheet is installed on the second port of subaisle, and main check valve sheet is contrary relative to the opening direction of described main channel with secondary check valve sheet; Molten medicine inside cavity is provided with its inside from the first port of main channel to the spaced apart secondary filter film between the first port of subaisle; When carrying out (can opening along the direction away from main channel with main check valve sheet when extracting medicinal liquid, secondary check valve sheet can be opened for example along the direction away from subaisle), by entry needle, medicinal liquid is extracted to main channel, now, main check valve sheet is opened, secondary check valve sheet is closed, and the first port by main channel enters in molten medicine cavity by medicinal liquid; When carrying out liquid medicine injection, the main check valve sheet of the first port of main channel is closed, medicinal liquid filter by secondary filter film, the first port by subaisle enters in subaisle by the medicinal liquid after filtration, now, secondary check valve sheet is opened, and the second port by subaisle imports in main channel by the medicinal liquid after filtration, finally inject from entry needle not containing the medicinal liquid of microgranule, effectively prevent the health of microgranule to patient and damage.Structure of the present invention is simple and exquisite, easy to operate, and practicality is high.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the molten syringe embodiment one of a kind of pin type secondary filter that the present invention proposes.
Fig. 2 is the A-A view of Fig. 1.
Fig. 3 is the sectional structure schematic diagram of the molten syringe embodiment two of a kind of pin type secondary filter that the present invention proposes
In Fig. 1 and Fig. 2: 110-push rod, the molten pencil of 120-first, the molten medicine cavity of 130-, 131-secondary filter film, 132-main chamber, 133-secondary cavity, 134-lobe, the molten pencil of 140-second, 141-main channel, 142-subaisle, 150-entry needle, the main check valve sheet of 161-, the secondary check valve sheet of 162-, 163-fixed part, 164-connecting portion, 165-movable part.
In Fig. 3: 210-push rod, the molten pencil of 220-first, the molten medicine cavity of 230-, 231-secondary filter film, 232-main chamber, 233-secondary cavity, 234-lobe, the molten pencil of 240-second, 241-main channel, 242-subaisle, 250-entry needle, the main check valve sheet of 261-, the secondary check valve sheet of 262-, 263-fixed part, 264-connecting portion, 265-movable part.
Detailed description of the invention
For the ease of it will be appreciated by those skilled in the art that the present invention is described further below in conjunction with accompanying drawing and embodiment.
Embodiment one:
Refer to Fig. 1 and Fig. 2, the molten syringe of a kind of pin type secondary filter that the present embodiment proposes, comprise the molten pencil 120 of push rod 110, first, molten medicine cavity 130, second molten pencil 140 and entry needle 150; Described push rod 110 is movable to be installed in described first molten pencil 120, and described first molten pencil 120 is connected with described molten medicine cavity 130; Described second molten pencil 140 inside is provided with main channel 141 and subaisle 142; First port of described main channel 141 is communicated with described molten medicine cavity 130, and its second port is communicated with described entry needle 150; First port of described subaisle 142 is communicated with described molten medicine cavity 130, and its second port and described main channel 141 cross.
The molten syringe of described pin type secondary filter also comprises check valve, and described check valve comprises main check valve sheet 161 and secondary check valve sheet 162; Described main check valve sheet 161 is installed on the first port of described main channel 141, described secondary check valve sheet 162 is installed on the second port of described subaisle 142, and described main check valve sheet 161 is contrary relative to the opening direction of described main channel 141 with secondary check valve sheet 162; Described molten medicine cavity 130 inside is provided with secondary filter film 131, and described secondary filter film 131 is by spaced apart from the first port of described main channel 141 between the first port of described subaisle 142 of described molten medicine cavity 130 inside.
As shown in Figure 1, when up being taken out by push rod 110, then extraction medicinal liquid can be carried out; During by push rod 110 depress, then liquid medicine injection can be carried out.
In the present embodiment, described main check valve sheet 161 and secondary check valve sheet 162 are specifically preferably following scheme on the contrary relative to the opening direction of described main channel 141: described main check valve sheet 161 can be opened along the direction away from described main channel 141; Described secondary check valve sheet 162 can be opened along the direction away from described subaisle 142 (shown in Fig. 1, also namely secondary check valve sheet 162 can be opened along the direction near axis, main channel 141).
The molten syringe of pin type secondary filter that the present embodiment proposes, its second molten pencil 140 inside is provided with main channel 141 and subaisle 142; First port of main channel 141 is communicated with molten medicine cavity 130, and its second port is communicated with entry needle 150; First port of subaisle 142 is communicated with molten medicine cavity 130, and its second port and described main channel 141 cross; Main check valve sheet 161 is installed on the first port of main channel 141, and secondary check valve sheet 162 is installed on the second port of subaisle 142, and described main check valve sheet 161 can be opened along the direction away from described main channel 141; Described secondary check valve sheet 162 can be opened along the direction away from described subaisle 142; Molten medicine cavity 130 inside is provided with its inside from the first port of main channel 141 to the spaced apart secondary filter film 131 (the present embodiment, secondary filter film 131 is annular) between the first port of subaisle 142; When carrying out extraction medicinal liquid, by entry needle 150, medicinal liquid is extracted to main channel 141, now, main check valve sheet 161 is opened, secondary check valve sheet 162 is closed, and the first port by main channel 141 is entered into (and medicinal liquid can arrive in the first molten pencil 120) in molten medicine cavity 130 by medicinal liquid; When carrying out liquid medicine injection, the main check valve sheet 161 of the first port of main channel 141 is closed, medicinal liquid filter by secondary filter film 131, the first port by subaisle 142 enters in subaisle 142 by the medicinal liquid after filtration, now, secondary check valve sheet 162 is opened, and the second port by subaisle 142 imports in main channel 141 by the medicinal liquid after filtration, finally inject from entry needle 150 not containing the medicinal liquid of microgranule, effectively prevent the health of microgranule to patient and damage.The present embodiment structure is simple and exquisite, easy to operate, and practicality is high.
In order to realize the object of the present embodiment better, the present embodiment has also done following optimization:
In the present embodiment, described molten medicine cavity 130 interior separation is become main chamber 132 and secondary cavity 133 by described secondary filter film 131, described main chamber 132 is communicated with the first port of described main channel 141 with described first molten pencil 120 respectively, and described secondary cavity 132 is communicated with the first port of described subaisle 142.
In the present embodiment, described main check valve sheet 161 and secondary check valve sheet 162 preferably one-body molded, structure can be made so more exquisite, compact and be convenient to realize.Simultaneously, described main check valve sheet 161 and secondary check valve sheet 162 are all preferably flexible check valve sheet, like this when extracting medicinal liquid, after medicinal liquid enters inside, main channel 141 from entry needle 150, automatically can wash main check valve sheet 161 open, and compress secondary check valve sheet 162 and make it close the second port of subaisle 142; When liquid medicine injection, medicinal liquid can compress main check valve sheet 161 makes it close the first port of main channel 141, and automatically washes secondary check valve sheet 162 open, imports in main channel 141, finally injects away from entry needle 150.Concrete, described main check valve sheet 161 and secondary check valve sheet 162 are specifically preferably integrated silica gel valve block, have both met one-body molded, meet flexible feature again.
The present embodiment is also further optimized to the structure of described main check valve sheet 161, concrete, described main check valve sheet 161 comprises fixed part 163, connecting portion 164 and movable part 165, described fixed part 163 is connected with described secondary check valve sheet 162 and is fixed in described molten medicine cavity 130, and described connecting portion 164 is connected between described fixed part 163 and described movable part 165.Wherein, fixed part 163 is mainly used in the integral position limiting main check valve sheet 161, movable part 165 is used to open or close the first port of described main channel 141 (by Fig. 1, for opening when the free end of movable part 165 up turns over, for closing when down compressing), connecting portion 164 is for connecting portion 163 and movable part 165.
In the present embodiment, the thickness of described connecting portion 164 is preferably less than the thickness of described movable part 165, can be convenient to described movable part 165 like this and move, thus be convenient to (by Fig. 1 turns over or presses down with) open or close the first port of described main channel 141.
Further, in the present embodiment, the U-type groove that described connecting portion 164 is contrary with the opening direction forming an opening direction and described main check valve sheet 161 between described fixed part 163, movable part 165 three, described movable part 165 of being more convenient for like this moves.
In the present embodiment, be also provided with lobe 134 in described molten medicine cavity 130, the fixed part 163 of described main check valve sheet 161 is fixed by described lobe 134, and lobe 134 is fixed described fixed part 163, to limit the integral position of main check valve sheet 161.
Embodiment two:
Refer to Fig. 3, the present embodiment proposes the molten syringe of another kind of pin type secondary filter, the difference of the molten syringe of pin type secondary filter in itself and above-described embodiment one is only: the first molten pencil 120 in embodiment two pairs of embodiments one has done another and designed, and forms the first molten pencil 220 as shown in Figure 3.In embodiment one, the first molten pencil 120 is preferably one-body molded with molten medicine cavity 130; And in embodiment two, first molten pencil 220 is with molten medicine cavity 230 for detachable combines, and further, the first molten pencil 220 also can be used as the injection tube of ordinary syringe in prior art, be arranged on molten medicine cavity 230, can be filtered medicinal liquid when extraction and liquid medicine injection.
Concrete, the molten syringe of pin type secondary filter that embodiment two proposes comprises the molten pencil 220 of push rod 210, first, molten medicine cavity 230, second molten pencil 240 and entry needle 250; Described push rod 210 is movable to be installed in described first molten pencil 220, and described first molten pencil 220 is connected with described molten medicine cavity 230; Described second molten pencil 240 inside is provided with main channel 241 and subaisle 242; First port of described main channel 241 is communicated with described molten medicine cavity 230, and its second port is communicated with described entry needle 250; First port of described subaisle 242 is communicated with described molten medicine cavity 230, and its second port and described main channel 241 cross.
The molten syringe of described pin type secondary filter also comprises check valve, and described check valve comprises main check valve sheet 261 and secondary check valve sheet 262; Described main check valve sheet 261 is installed on the first port of described main channel 241, described secondary check valve sheet 262 is installed on the second port of described subaisle 242, and described main check valve sheet 261 is contrary relative to the opening direction of described main channel 241 with secondary check valve sheet 262; Described molten medicine cavity 230 inside is provided with secondary filter film 231, and described secondary filter film 231 is by spaced apart from the first port of described main channel 241 between the first port of described subaisle 242 of described molten medicine cavity 230 inside.
As shown in Figure 3, when up being taken out by push rod 210, then extraction medicinal liquid can be carried out; During by push rod 210 depress, then liquid medicine injection can be carried out.
In the present embodiment, described main check valve sheet 261 and secondary check valve sheet 262 are specifically preferably following scheme on the contrary relative to the opening direction of described main channel 241: described main check valve sheet 261 can be opened along the direction away from described main channel 241; Described secondary check valve sheet 262 can be opened along the direction away from described subaisle 242 (shown in Fig. 3, also namely secondary check valve sheet 262 can be opened along the direction near axis, main channel 241).
The molten syringe of pin type secondary filter that the present embodiment proposes, its second molten pencil 240 inside is provided with main channel 241 and subaisle 242; First port of main channel 241 is communicated with molten medicine cavity 230, and its second port is communicated with entry needle 250; First port of subaisle 242 is communicated with molten medicine cavity 230, and its second port and described main channel 241 cross; Main check valve sheet 261 is installed on the first port of main channel 241, and secondary check valve sheet 262 is installed on the second port of subaisle 242, and described main check valve sheet 261 can be opened along the direction away from described main channel 241; Described secondary check valve sheet 262 can be opened along the direction away from described subaisle 242; Molten medicine cavity 230 inside is provided with its inside from the first port of main channel 241 to the spaced apart secondary filter film 231 (the present embodiment, secondary filter film 231 is annular) between the first port of subaisle 242; When carrying out extraction medicinal liquid, by entry needle 250, medicinal liquid is extracted to main channel 241, now, main check valve sheet 261 is opened, secondary check valve sheet 262 is closed, and the first port by main channel 241 is entered into (and medicinal liquid can arrive in the first molten pencil 220) in molten medicine cavity 230 by medicinal liquid; When carrying out liquid medicine injection, the main check valve sheet 261 of the first port of main channel 241 is closed, medicinal liquid filter by secondary filter film 231, the first port by subaisle 242 enters in subaisle 242 by the medicinal liquid after filtration, now, secondary check valve sheet 262 is opened, and the second port by subaisle 242 imports in main channel 241 by the medicinal liquid after filtration, finally inject from entry needle 250 not containing the medicinal liquid of microgranule, effectively prevent the health of microgranule to patient and damage.The present embodiment structure is simple and exquisite, easy to operate, and practicality is high.
In order to realize the object of the present embodiment better, the present embodiment has also done following optimization:
In the present embodiment, described molten medicine cavity 230 interior separation is become main chamber 232 and secondary cavity 233 by described secondary filter film 231, described main chamber 232 is communicated with the first port of described main channel 241 with described first molten pencil 220 respectively, and described secondary cavity 232 is communicated with the first port of described subaisle 242.
In the present embodiment, described main check valve sheet 261 and secondary check valve sheet 262 preferably one-body molded, structure can be made so more exquisite, compact and be convenient to realize.Simultaneously, described main check valve sheet 261 and secondary check valve sheet 262 are all preferably flexible check valve sheet, like this when extracting medicinal liquid, after medicinal liquid enters inside, main channel 241 from entry needle 250, automatically can wash main check valve sheet 261 open, and compress secondary check valve sheet 262 and make it close the second port of subaisle 242; When liquid medicine injection, medicinal liquid can compress main check valve sheet 261 makes it close the first port of main channel 241, and automatically washes secondary check valve sheet 262 open, imports in main channel 241, finally injects away from entry needle 250.Concrete, described main check valve sheet 261 and secondary check valve sheet 262 are specifically preferably integrated silica gel valve block, have both met one-body molded, meet flexible feature again.
The present embodiment is also further optimized to the structure of described main check valve sheet 261, concrete, described main check valve sheet 261 comprises fixed part 263, connecting portion 264 and movable part 265, described fixed part 263 is connected with described secondary check valve sheet 262 and is fixed in described molten medicine cavity 230, and described connecting portion 264 is connected between described fixed part 263 and described movable part 265.Wherein, fixed part 263 is mainly used in the integral position limiting main check valve sheet 261, movable part 265 is used to open or close the first port of described main channel 241 (by Fig. 3, for opening when the free end of movable part 265 up turns over, for closing when down compressing), connecting portion 264 is for connecting portion 263 and movable part 265.
In the present embodiment, the thickness of described connecting portion 264 is preferably less than the thickness of described movable part 265, can be convenient to described movable part 265 like this and move, thus be convenient to (by Fig. 3 turns over or presses down with) open or close the first port of described main channel 241.
Further, in the present embodiment, the U-type groove that described connecting portion 264 is contrary with the opening direction forming an opening direction and described main check valve sheet 261 between described fixed part 263, movable part 265 three, described movable part 265 of being more convenient for like this moves.
In the present embodiment, be also provided with lobe 234 in described molten medicine cavity 230, the fixed part 263 of described main check valve sheet 261 is fixed by described lobe 234, and lobe 234 is fixed described fixed part 263, to limit the integral position of main check valve sheet 261.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.

Claims (10)

1. the molten syringe of pin type secondary filter, comprises push rod, the first molten pencil, molten medicine cavity, the second molten pencil and entry needle; Described push rod is movable to be installed in described first molten pencil, and described first molten pencil is connected with described molten medicine cavity; It is characterized in that, described second molten pencil inside is provided with main channel and subaisle; First port of described main channel is communicated with described molten medicine cavity, and its second port is communicated with described entry needle; First port of described subaisle is communicated with described molten medicine cavity, and its second port and described main channel cross;
The molten syringe of described pin type secondary filter also comprises check valve, and described check valve comprises main check valve sheet and secondary check valve sheet; Described main check valve sheet is installed on the first port of described main channel, and described secondary check valve sheet is installed on the second port of described subaisle, and described main check valve sheet is contrary relative to the opening direction of described main channel with secondary check valve sheet; Described molten medicine inside cavity is provided with secondary filter film, and described secondary filter film is by spaced apart from the first port of described main channel between the first port of described subaisle of described molten medicine inside cavity.
2. the molten syringe of pin type secondary filter according to claim 1, is characterized in that, described main check valve sheet can be opened along the direction away from described main channel; Described secondary check valve sheet can be opened along the direction away from described subaisle.
3. the molten syringe of pin type secondary filter according to claim 2, it is characterized in that, described molten medicine inside cavity is separated into main chamber and secondary cavity by described secondary filter film, described main chamber is communicated with the first port of described main channel with described first molten pencil respectively, and described secondary cavity is communicated with the first port of described subaisle.
4. the molten syringe of pin type secondary filter according to claim 3, is characterized in that, described main check valve sheet and secondary check valve sheet are formed in one.
5. the molten syringe of pin type secondary filter according to claim 4, is characterized in that, described main check valve sheet and secondary check valve sheet are flexible check valve sheet.
6. the molten syringe of pin type secondary filter according to claim 5, is characterized in that, described main check valve sheet and secondary check valve sheet are specially integrated silica gel valve block.
7. the molten syringe of pin type secondary filter according to claim 5, it is characterized in that, described main check valve sheet comprises fixed part, connecting portion and movable part, described fixed part is connected with described secondary check valve sheet and is fixed in described molten medicine cavity, and described connecting portion is connected between described fixed part and described movable part.
8. the molten syringe of pin type secondary filter according to claim 7, is characterized in that, the thickness of described connecting portion is less than the thickness of described movable part.
9. the molten syringe of pin type secondary filter according to claim 7, is characterized in that, the U-type groove that described connecting portion is contrary with the opening direction forming an opening direction and described main check valve sheet between described fixed part, movable part three.
10. the molten syringe of pin type secondary filter according to claim 9, is characterized in that, be provided with lobe in described molten medicine cavity, the fixed part of described main check valve sheet is fixed by described lobe.
CN201510025829.1A 2015-01-19 2015-01-19 Needle type syringe with function of accurately filtering dissolved drug Pending CN104546459A (en)

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Cited By (9)

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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
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
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
CN106309130A (en) * 2015-07-01 2017-01-11 陈艳玲 Disposable short-needle-tube sucking and pushing precision filtering medicine dissolving needle
CN107635600A (en) * 2015-05-20 2018-01-26 象牙弗隆泰克株式会社 Syringe filter construction and the syringe for including it
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

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CN203137223U (en) * 2013-01-15 2013-08-21 茂泰(福建)鞋材有限公司 Waterproof, breathable and flexible shoe sole and shoe with same
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107635600A (en) * 2015-05-20 2018-01-26 象牙弗隆泰克株式会社 Syringe filter construction and the syringe for including it
CN106309130A (en) * 2015-07-01 2017-01-11 陈艳玲 Disposable short-needle-tube sucking and pushing precision filtering medicine dissolving 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
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
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
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
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
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
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
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

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Application publication date: 20150429