CN202538080U - Improved syringe filter needle - Google Patents
Improved syringe filter needle Download PDFInfo
- Publication number
- CN202538080U CN202538080U CN2012200205879U CN201220020587U CN202538080U CN 202538080 U CN202538080 U CN 202538080U CN 2012200205879 U CN2012200205879 U CN 2012200205879U CN 201220020587 U CN201220020587 U CN 201220020587U CN 202538080 U CN202538080 U CN 202538080U
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- CN
- China
- Prior art keywords
- connecting portion
- syringe
- filter house
- needle
- needle tubing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to the technical field of medical instruments, in particular to an improved syringe filter needle. The improved syringe filter needle comprises a needle tubing portion and a connecting portion. The connection portion is connected with the needle tubing portion. The connecting portion is provided with a filtering portion. The improved syringe filter needle is simple and compact in structure and convenient to manufacture, can not only effectively filter glass fragments and rubber plug impurities in liquid medicine in the process of extraction of the liquid medicine, but also filter residual plastic particles in the needle tubing in the process of production, has a good filtering effect, and ensures cleanliness of injected liquid medicine.
Description
Technical field
This utility model relates to technical field of medical instruments, relates in particular to a kind of syringe filtering syringe needle of improvement.
Background technology
The nurse sometimes need extract liquid in the bottle with the needle pierces rubber closure when extracting medicinal liquid; Sometimes need crack vial, extract liquid in the bottle.Said circumstances all might be brought rubber bits or chips of glass in the bottle medicinal liquid into; When extracting medicinal liquid with the injection device that does not have defecator; Rubber bits or chips of glass are drawn in the syringe probably; Rubber bits or chips of glass are injected into human vein or muscular tissue, cause iatrogenic micro-embolization or intramuscular injection posterior tubercle easily.
In the syringe needle of the band defecator of one Chinese patent application numbers 200620096040.1, disclose in hand holding handle inside and be provided with defecator near the place of pin stalk, this syringe needle is made difficulty in actual production, be difficult for realization.
Summary of the invention
The purpose of this utility model is that the deficiency to prior art provides a kind of syringe filtering syringe needle of improvement; Simple and compact for structure; Be convenient to make to produce, not only can when extracting medicinal liquid, the glass chip in effective filtering medicinal liquid, rubber stopper impurity get into syringe, can also when injection, filter out in the production process plastic particles remaining in the syringe; Good filtration effect, the cleannes of assurance liquid medicine injection.
Be to realize above-mentioned purpose, the syringe filtering syringe needle of a kind of improvement of this utility model comprises needle tubing portion and connecting portion, and said connecting portion is connected with said needle tubing portion, and said connecting portion is provided with filter house.
Wherein, said filter house is flared filter house, and said filter house is nested in the inside of said connecting portion.
Wherein, said connecting portion comprises needle tubing connecting portion and the syringe connecting portion and the shaft shoulder, and said needle tubing connecting portion is connected through the shaft shoulder with the syringe connecting portion, and said filter house is the filter house of diaphragm type, and said filter house is embedded in the inside of the said shaft shoulder.
Wherein, Said connecting portion comprises needle tubing connecting portion and syringe connecting portion; Said needle tubing connecting portion is spirally connected or is socketed on said syringe connecting portion; Said needle tubing portion is connected in said needle tubing connecting portion, and said filter house is the filter house of diaphragm type, and said filter house is arranged between said needle tubing connecting portion and the said syringe connecting portion.
Wherein, Said connecting portion comprises flexible glue connecting portion and ebonite connecting portion, and said ebonite connecting portion is embedded in said flexible glue connecting portion, and said needle tubing portion is connected in said ebonite connecting portion; Said filter house is the filter house of diaphragm type, and said filter house is arranged at the lower end of said ebonite connecting portion.
Wherein, said ebonite connecting portion is provided with the clamping shaft shoulder, and the diameter of the said clamping shaft shoulder is greater than the diameter of flexible glue connecting portion.
Wherein, Said connecting portion comprises flexible glue connecting portion and ebonite connecting portion, and said ebonite connecting portion is embedded in said flexible glue connecting portion, and said needle tubing portion is connected in said ebonite connecting portion; Said filter house is the filter house of column type, and said filter house is arranged at the lower end of said ebonite connecting portion.
The beneficial effect of this utility model: a kind of syringe filtering syringe needle of improvement, comprise needle tubing portion and connecting portion, said connecting portion is connected with said needle tubing portion; Said connecting portion is provided with filter house; The syringe filtering syringe needle of this improvement, simple and compact for structure, be convenient to make and produce; Not only can when extracting medicinal liquid, the glass chip in effective filtering medicinal liquid, rubber stopper impurity get into syringe; Can also the time filter out in the production process plastic particles remaining in the syringe in injection, good filtration effect guarantees the cleannes of liquid medicine injection.
Description of drawings
Fig. 1 is the cut-away illustration of the embodiment 1 of this utility model.
Fig. 2 is the cut-away illustration of the embodiment 2 of this utility model.
Fig. 3 is the cut-away illustration of the embodiment 3 of this utility model.
Fig. 4 is the cut-away illustration of the embodiment 4 of this utility model.
Fig. 5 is the cut-away illustration of the embodiment 5 of this utility model.
Fig. 6 is the cut-away illustration of the embodiment 6 of this utility model.
Reference numeral comprises:
1-needle tubing portion, 2-connecting portion, 21-needle tubing connecting portion, 22-syringe connecting portion, 23-flexible glue connecting portion, 24-ebonite connecting portion, 241-clamping shaft shoulder, 25-shaft shoulder, 3-filter house.
The specific embodiment
Below in conjunction with accompanying drawing this utility model is carried out detailed description.
As shown in Figure 1, the syringe filtering syringe needle of the improvement of present embodiment comprises needle tubing portion 1 and connecting portion 2, and said connecting portion 2 is connected with said needle tubing portion 1, and said connecting portion 2 is provided with filter house 3.Said filter house 3 is flared filter house, and said filter house 3 is nested in the inside of said connecting portion 2.Filter house 3 can be installed on the inside of connecting portion 2 fast; This filtering needle is socketed on the syringe liquid outlet; Not only can when extracting medicinal liquid, the glass chip in effective filtering medicinal liquid, rubber stopper impurity get into syringe; Can also the time filter out in the production process plastic particles remaining in the syringe in injection, good filtration effect guarantees the cleannes of liquid medicine injection.Said syringe needle of present embodiment and syringe all usefulness be the syringe needle and the syringe of existing standard; Need not change production mould; Avoid the unnecessary wasting of resources of manufacturing enterprise, directly flared filter house is nested in the inside of connecting portion 2, just can play filtering effect; Simple and compact for structure, the convenient manufacturing produced.
As shown in Figure 2; The difference of present embodiment and embodiment 1 is that said connecting portion 2 comprises needle tubing connecting portion 21 and the syringe connecting portion 22 and the shaft shoulder 25; Said needle tubing connecting portion 21 is connected through the shaft shoulder 25 with syringe connecting portion 22; Said filter house 3 is the filter house of diaphragm type, and said filter house 3 is nested in the inside of the said shaft shoulder 25.Connecting portion 2 is divided into needle tubing connecting portion 21 and 22 two parts of syringe connecting portion; Needle tubing connecting portion 21 is provided with the shaft shoulder with syringe connecting portion 22; The filter house of diaphragm type is nested in the inside of the shaft shoulder 25 easily, not only can play good filter effect, and manufacturing is produced very convenient.The remainder of present embodiment is identical with embodiment 1, repeats no more here.
As shown in Figure 3; The difference of present embodiment and embodiment 1 is that said connecting portion 2 comprises needle tubing connecting portion 21 and syringe connecting portion 22; Said needle tubing connecting portion 21 is spirally connected or is socketed on said syringe connecting portion 22; Said needle tubing portion 1 is connected in said needle tubing connecting portion 21, and said filter house 3 is the filter house of diaphragm type, and said filter house 3 is arranged between said needle tubing connecting portion 21 and the said syringe connecting portion 22.Connecting portion 2 is divided into needle tubing connecting portion 21 and 22 two parts of syringe connecting portion; The filter house of diaphragm type is installed on syringe connecting portion 22 upper opening step places; Needle tubing connecting portion 21 is socketed on syringe connecting portion 22 upper opening places, presses filter house 3, and the syringe filtering syringe needle of this structure helps the secondary assembling of filter membrane in the production process; Be convenient to assemble dissimilar filter membranes; Like fibrous membrane, ionic membrane and atomic film etc., or the filter membrane of other specific demands, the cleannes of assurance liquid medicine injection.The remainder of present embodiment is identical with embodiment 1, repeats no more here.
Embodiment 4
As shown in Figure 4; The difference of present embodiment and embodiment 1 is that said connecting portion 2 comprises flexible glue connecting portion 23 and ebonite connecting portion 24; Said ebonite connecting portion 24 is embedded in said flexible glue connecting portion 23; Said needle tubing portion 1 is connected in said ebonite connecting portion 24, and said filter house 3 is the filter house of diaphragm type, and said filter house 3 is arranged at the lower end of said ebonite connecting portion 24.The syringe filtering syringe needle of this structure is a liquid outlet of directly filling in syringe, and ebonite connecting portion 24 can entangle needle tubing portion 1 firm; Flexible glue connecting portion 23 has certain rubbing action with the tube wall of syringe liquid outlet, and when the nurse used, syringe needle was difficult for getting loose; The filter house of diaphragm type is installed on the lower end of ebonite connecting portion 24.The syringe filtering needle head structure of this structure is very novel, and it is convenient, easy to manufacture, and filter effect is fine equally.The remainder of present embodiment is identical with embodiment 1, repeats no more here.
Embodiment 5
As shown in Figure 5, the difference of present embodiment and embodiment 4 is that said ebonite connecting portion 24 is provided with the clamping shaft shoulder 241, and the diameter of the said clamping shaft shoulder 241 is greater than the diameter of flexible glue connecting portion 23.The syringe filtering syringe needle of this structure is applicable to self-destruction syringe; Ebonite connecting portion 24 is provided with the clamping shaft shoulder 241, as long as the push rod of syringe is provided with the drag hook that is complementary with it, when injector push-rod is pushed into the syringe low side; Drag hook hooks the clamping shaft shoulder 241; Push rod is when pulling back, and the effect of self-destruction is played in the syringe needle syringe inside that is straightened.The syringe filtering syringe needle of this structure is not only manufactured conveniently, good filtration effect, can also with the supporting use of self-destruction syringe, play self-destroying function.The remainder of present embodiment is identical with embodiment 4, repeats no more here.
Embodiment 6
As shown in Figure 6; The difference of present embodiment and embodiment 4 is that said connecting portion 2 comprises flexible glue connecting portion 23 and ebonite connecting portion 24; Said ebonite connecting portion 24 is embedded in said flexible glue connecting portion 23; Said needle tubing portion 1 is connected in said ebonite connecting portion 24, and said filter house 3 is the filter house of column type, and said filter house 3 is arranged at the lower end of said ebonite connecting portion 24.The syringe filtering syringe needle of this structure can the higher filter house 3 of mounting filtering density, satisfies different clients' demand.The remainder of present embodiment is identical with embodiment 4, repeats no more here.
Above content is merely the preferred embodiment of this utility model; For those of ordinary skill in the art; According to the thought of this utility model, the part that on the specific embodiment and range of application, all can change, this description should not be construed as the restriction to this utility model.
Claims (7)
1. the syringe filtering syringe needle of an improvement comprises needle tubing portion (1) and connecting portion (2), and said connecting portion (2) is connected with said needle tubing portion (1), it is characterized in that: said connecting portion (2) is provided with filter house (3).
2. the syringe filtering syringe needle of improvement according to claim 1, it is characterized in that: said filter house (3) is flared filter house, and said filter house (3) is nested in the inside of said connecting portion (2).
3. the syringe filtering syringe needle of improvement according to claim 1; It is characterized in that: said connecting portion (2) comprises needle tubing connecting portion (21) and the syringe connecting portion (22) and the shaft shoulder (25); Said needle tubing connecting portion (21) is connected through the shaft shoulder (25) with syringe connecting portion (22); Said filter house (3) is the filter house of diaphragm type, and said filter house (3) is embedded in the inside of the said shaft shoulder (25).
4. the syringe filtering syringe needle of improvement according to claim 1; It is characterized in that: said connecting portion (2) comprises needle tubing connecting portion (21) and syringe connecting portion (22); Said needle tubing connecting portion (21) is spirally connected or is socketed on said syringe connecting portion (22); Said needle tubing portion (1) is connected in said needle tubing connecting portion (21); Said filter house (3) is the filter house of diaphragm type, and said filter house (3) is arranged between said needle tubing connecting portion (21) and the said syringe connecting portion (22).
5. the syringe filtering syringe needle of improvement according to claim 1; It is characterized in that: said connecting portion (2) comprises flexible glue connecting portion (23) and ebonite connecting portion (24); Said ebonite connecting portion (24) is embedded in said flexible glue connecting portion (23); Said needle tubing portion (1) is connected in said ebonite connecting portion (24), and said filter house (3) is the filter house of diaphragm type, and said filter house (3) is arranged at the lower end of said ebonite connecting portion (24).
6. the syringe filtering syringe needle of improvement according to claim 5, it is characterized in that: said ebonite connecting portion (24) is provided with the clamping shaft shoulder (241), and the diameter of the said clamping shaft shoulder (241) is greater than the diameter of flexible glue connecting portion (23).
7. the syringe filtering syringe needle of improvement according to claim 1; It is characterized in that: said connecting portion (2) comprises flexible glue connecting portion (23) and ebonite connecting portion (24); Said ebonite connecting portion (24) is embedded in said flexible glue connecting portion (23); Said needle tubing portion (1) is connected in said ebonite connecting portion (24), and said filter house (3) is the filter house of column type, and said filter house (3) is arranged at the lower end of said ebonite connecting portion (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200205879U CN202538080U (en) | 2012-01-17 | 2012-01-17 | Improved syringe filter needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200205879U CN202538080U (en) | 2012-01-17 | 2012-01-17 | Improved syringe filter needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202538080U true CN202538080U (en) | 2012-11-21 |
Family
ID=47158778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200205879U Expired - Fee Related CN202538080U (en) | 2012-01-17 | 2012-01-17 | Improved syringe filter needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202538080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435340A (en) * | 2015-12-28 | 2016-03-30 | 温州市龙湾求精管业有限公司 | Injection needle with filter screen |
-
2012
- 2012-01-17 CN CN2012200205879U patent/CN202538080U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105435340A (en) * | 2015-12-28 | 2016-03-30 | 温州市龙湾求精管业有限公司 | Injection needle with filter screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20180117 |