CN203898856U - Double-needle-tube syringe - Google Patents
Double-needle-tube syringe Download PDFInfo
- Publication number
- CN203898856U CN203898856U CN201420318759.XU CN201420318759U CN203898856U CN 203898856 U CN203898856 U CN 203898856U CN 201420318759 U CN201420318759 U CN 201420318759U CN 203898856 U CN203898856 U CN 203898856U
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- needle
- head
- double
- tube
- bobbin
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Abstract
The utility model provides a double-needle-tube syringe which comprises a needle cylinder, needle tubes and a needle cap. The needle cylinder comprises a cylinder body, a piston, a hand-pushing rod and an injection head. Each needle tube comprises a double-tube needle and a latex head, wherein one end of the double-tube needle is a double-hole needle tip, the other end of the double-tube needle is buckled to the injection head in a clamped mode through the latex head, the first tube needle of the double-tube needle is communicated with the needle cylinder through the latex head, and the second tube needle of the double-tube needle is communicated with the air. The needle cap comprises a closed end and an open end and is arranged on the periphery of the first tube needle and the second tube needle, and the needle cap is slightly shorter than the second tube needle. Thus, when the double-needle-tube syringe is used, the negative pressure in a medicine bottle can be corrected safely, conveniently and automatically, the labor intensity of medical staff is reduced, the opportunity that manual air exhaust causes secondary contamination is reduced, medication safety is ensured, and a harmonious society is created.
Description
Technical field
This utility model belongs to medicine instrument field, concrete, relates to a kind of Double needle tube injectors.
Background technology
Current existing syringe mostly is plug-type syringe, can make to form negative pressure in medicine bottle when inhaling medicine in sealed vial, causes and takes out injecting medical liquid difficulty, wastes time and energy.So medical personnel are for extracting medicinal liquid out smoothly, custom first extracts outside air and is injected in medicine bottle with syringe, a bottle interior negative pressure is reduced, again with syringe by medicinal liquid sucking-off, so complex operation, and outside air directly contacts medicine, easily causes secondary pollution to medicine, greatly reduces drug safety.
Therefore, syringe is still further improved.
Utility model content
This utility model is intended to solve at least to a certain extent one of technical problem existing in prior art or at least provides a kind of useful business to select.For this reason, an object of the present utility model is to provide a kind of Double needle tube injectors, utilizes this syringe, negative pressure in can safe, convenient automatic straightening medicine bottle, reduce medical personnel's labor intensity and reduce manually to bleed and cause the chance of secondary pollution, ensureing drug safety, building harmonious society.
For this reason, in one side of the present utility model, a kind of Double needle tube injectors has been proposed.According to an embodiment of the present utility model, this syringe comprises:
Syringe, described syringe comprises cylindrical shell, piston, handspike and injection head, and described piston is slidably arranged in described cylindrical shell, and one end of described piston is connected with described handspike, described injection head is arranged on one end of described cylindrical shell, and the other end of the contiguous described piston of injection head;
Needle tubing, described needle tubing comprises double-tube needle head and latex head, one end of described double-tube needle head is diplopore needle point, the other end of described double-tube needle head is buckled on described injection head by described latex head, and the first bobbin head in described double-tube needle head is connected with described syringe by described latex head, the second bobbin head and air communication in described double-tube needle head;
Needle cap, described needle cap comprises blind end and opening, described needle cap is arranged at the periphery of described the first bobbin head and the second bobbin head, and the length of described needle cap is slightly shorter than the length of described the second bobbin head.
Thus, utilize this Double needle tube injectors, can safe, convenient automatic straightening medicine bottle in negative pressure, reduce medical personnel's labor intensity and reduce manually to bleed and cause the chance of secondary pollution, ensure drug safety, build harmonious society.
In addition, can also there is following additional technical characterictic according to the syringe of this utility model above-described embodiment:
In this utility model, described the first bobbin head is not connected with the second bobbin head, and the length of described the first bobbin head is not shorter than the length of described the second bobbin head.Can realize thus the first needle tubing and insert liquid level lower time, the second needle tubing is on liquid level.
In this utility model, described the first bobbin head is directly connected with described latex head, and described the second bobbin head is connected with described latex head by elastomeric material, and described the first bobbin head and the second bobbin head are independent disjunct.Thus, can conveniently make 2 syringe needles insert medicine bottle from the different parts of bottle stopper.And according to specific embodiment, can be according to the distance of separating, the elastic force of dependence elastomeric material is adjusted the second bobbin head and is not inserted under medicine bottle liquid level.
In this utility model, further comprise: liquid filter, described liquid filter is arranged between described the first bobbin head and described latex head.Can further filter thus harmful microgranule, ensure drug safety.
In this utility model, latex head internal diameter is identical with needle cylinder injection head external diameter.The first syringe closely can be connected with needle cylinder injection head by latex head thus.
In this utility model, further comprise: air filter, described air filter bobbin head is connected with one end air communication with described second.Described air filter is polytetrafluoroethylene filter.Thus, the contact area of further expansion and air, avoids needle aperture little, filters the exhaust effect while affecting slowly syringe needle insertion medicine bottle.
In this utility model, described air filter comprises: activated carbon fiber layers, and described activated carbon fiber layers is arranged at the skin of described air filter; Filter element, described filter element is arranged at the centre of described air filter.Thus, can ensure syringe in use, antibacterial, virus cannot enter medicine bottle from the second bobbin head.
In this utility model, described needle cap opening further comprises spacing ring, and described spacing ring engages with the outer wall of described double-tube needle head.Can directly spend, ensure that needle tubing is hedged off from the outer world so that syringe ensures needle tubing before not sealing off thus, and be conducive to syringe transport, avoid syringe needle to prick other object.
In this utility model, described the first bobbin head and the second bobbin head are rustless steel syringe needle.Can easily needle tubing be inserted in medicine bottle by bottle stopper thus.
In this utility model, described syringe can adopt glass or plastic material.
Brief description of the drawings
Fig. 1 is according to the structural representation of the Double needle tube injectors of an embodiment of this utility model.
Detailed description of the invention
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Be exemplary below by the embodiment being described with reference to the drawings, be intended to for explaining this utility model, and can not be interpreted as restriction of the present utility model.
Below with reference to Fig. 1, Double needle tube injectors of the present utility model is described in detail:
According to an embodiment of the present utility model, a kind of Double needle tube injectors mainly comprises: syringe 100, needle tubing and needle cap 300.
Wherein, syringe 100 comprises cylindrical shell 110, piston 120, handspike 130 and injection head 140, and piston 120 is slidably arranged in cylindrical shell 110, and one end of piston 120 is connected with handspike 130, injection head 140 is arranged on one end of syringe 100, and the other end of injection head 140 adjacent piston 120;
Needle tubing comprises double-tube needle head and latex head 210, one end of double-tube needle head is diplopore needle point, the other end of double-tube needle head is buckled on injection head 140 by latex head 210, and the first bobbin head 220 in double-tube needle head is connected with syringe 100 by latex head 210, the second bobbin head 230 and air communication in double-tube needle head;
Needle cap 300 comprises blind end and opening, and needle cap is arranged at the periphery of the first bobbin head 220 and the second bobbin head 230, and the length of needle cap 300 is slightly shorter than the length of the second bobbin head 230.
Thus, utilize this double syringe, can safe, convenient automatic straightening medicine bottle in negative pressure, reduce medical personnel's labor intensity and reduce manually to bleed and cause the chance of secondary pollution, ensure drug safety, build harmonious society.
According to an embodiment of the present utility model, the first bobbin head 220 is not connected with the second bobbin head 230, and the length of the first bobbin head 220 is not shorter than the length of the second bobbin head 230.Can realize thus the first bobbin head 220 and insert liquid level lower time, the second bobbin head 230 is on liquid level.
According to an embodiment of the present utility model, the first bobbin head 220 is directly connected with latex head 210, and the second bobbin head 230 is connected with latex head 210 by elastomeric material 240, and the first bobbin head 220 and the second bobbin head 230 are that independence is disjunct.Thus, can easily the first bobbin head 220 and the second bobbin head 230 be separated, make 2 syringe needles insert medicine bottle from the different parts of bottle stopper.And according to specific embodiment, can be according to the distance of separating, the elastic force of dependence elastomeric material 240 is adjusted the second bobbin head 230 and is not inserted under medicine bottle liquid level.
According to an embodiment of the present utility model, Double needle tube injectors further comprises: liquid filter 400, liquid filter 400 is arranged between the first bobbin head 220 and latex head 210.Can further filter thus harmful microgranule, ensure drug safety.
According to specific embodiment of the utility model, latex head 210 internal diameters are identical with needle cylinder injection head 140 external diameters.The first bobbin head 220 closely can be connected with needle cylinder injection head 140 by latex head 210 thus.
According to an embodiment of the present utility model, Double needle tube injectors further comprises: air filter 500, air filter 500 bobbin head 230 is connected with one end air communication with second.
According to an embodiment of the present utility model, air filter 500 can comprise: activated carbon fiber layers and filter element (not shown), and activated carbon fiber layers is arranged at the skin of air filter 500; Filter element is arranged at the centre of air filter 500.Thus, can ensure syringe in use, antibacterial, virus cannot enter medicine bottle from the second bobbin head 230.Described air filter 500 can be polytetrafluoroethylene filter.
According to specific embodiment of the utility model, air filter 500 can be spherical.Thus, the contact area of further expansion and air, avoids needle aperture little, filters the exhaust effect while affecting slowly syringe needle insertion medicine bottle.
According to an embodiment of the present utility model, needle cap 300 openings further comprise spacing ring 310, and spacing ring 310 closely engages with the outer wall of double-tube needle head.Can directly spend, ensure that needle tubing is hedged off from the outer world so that syringe ensures needle tubing before not sealing off thus, and be conducive to syringe transport, avoid syringe needle to prick other object.
According to specific embodiment of the utility model, the first bobbin head 220 and the second bobbin head 230 are rustless steel syringe needle.Can easily needle tubing be inserted in medicine bottle by bottle stopper thus.
According to specific embodiment of the utility model, syringe 100 can adopt glass or plastic material.
Operation principle of the present utility model is: the first bobbin head 220 of syringe and the second bobbin head 230 are inserted respectively to the different parts on medicine bottle stopper, and medicinal liquid is drawn in syringe 100 via liquid filter 400 by the first bobbin head 220.Outside air enters medicine bottle by the second bobbin head 230 after via the fibrous layer of air filter 400 and filter element filtering, when ensureing that thus medicine bottle herb liquid is pumped, is packed into filtered air in medicine bottle.Both can ensure thus that bottle inner and outer air pressure was consistent, can not produce negative pressure affects the process of drawing liquid, time saving and energy saving; Ensure that again the air that enters medicine bottle can not produce and pollute medicine, ensures drug safety.According to specific embodiment, the distance that can separate according to the first bobbin head 220 and the second bobbin head 230, the elastic force of dependence elastomeric material is adjusted the second bobbin head 230 and is not inserted under medicine bottle liquid level.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", orientation or the position relationship of instructions such as " circumferentially " are based on orientation shown in the drawings or position relationship, only this utility model and simplified characterization for convenience of description, instead of device or the element of instruction or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as instruction or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or integral; Can be mechanical connection, can be also electrical connection; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in this utility model.
In this utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term needn't for be identical embodiment or example.And, specific features, structure, material or the feature of description can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment in scope of the present utility model, amendment, replacement and modification.
Claims (10)
1. a Double needle tube injectors, is characterized in that, comprising:
Syringe, described syringe comprises cylindrical shell, piston, handspike and injection head, and described piston is slidably arranged in described cylindrical shell, and one end of described piston is connected with described handspike, described injection head is arranged on one end of described cylindrical shell, and the other end of the contiguous described piston of injection head;
Needle tubing, described needle tubing comprises double-tube needle head and latex head, one end of described double-tube needle head is diplopore needle point, the other end of described double-tube needle head is buckled on described injection head by described latex head, and the first bobbin head in described double-tube needle head is connected with described syringe by described latex head, the second bobbin head and air communication in described double-tube needle head;
Needle cap, described needle cap comprises blind end and opening, described needle cap is arranged at the periphery of described the first bobbin head and the second bobbin head, and the length of described needle cap is slightly shorter than the length of described the second bobbin head.
2. Double needle tube injectors according to claim 1, is characterized in that, described the first bobbin head is not connected with the second bobbin head, and the length of described the first bobbin head is not shorter than the length of described the second bobbin head.
3. Double needle tube injectors according to claim 1, it is characterized in that, described the first bobbin head is directly connected with described latex head, and described the second bobbin head is connected with described latex head by elastomeric material, and described the first bobbin head and the second bobbin head are independent disjunct.
4. Double needle tube injectors according to claim 1, is characterized in that, further comprises:
Liquid filter, described liquid filter is arranged between described the first bobbin head and described latex head.
5. Double needle tube injectors according to claim 1, is characterized in that, described latex head internal diameter is identical with described needle cylinder injection head external diameter.
6. Double needle tube injectors according to claim 1, is characterized in that, further comprises:
Air filter, described air filter bobbin head is connected with one end air communication with described second.
7. Double needle tube injectors according to claim 6, is characterized in that, described air filter comprises:
Activated carbon fiber layers, described activated carbon fiber layers is arranged at the skin of described air filter;
Filter element, described filter element is arranged at the centre of described air filter.
8. Double needle tube injectors according to claim 6, is characterized in that, described air filter is polytetrafluoroethylene filter.
9. Double needle tube injectors according to claim 1, is characterized in that, described needle cap opening further comprises spacing ring, and described spacing ring engages with the outer wall of described double-tube needle head.
10. Double needle tube injectors according to claim 1, is characterized in that, described the first bobbin head and the second bobbin head are rustless steel syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318759.XU CN203898856U (en) | 2014-06-16 | 2014-06-16 | Double-needle-tube syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420318759.XU CN203898856U (en) | 2014-06-16 | 2014-06-16 | Double-needle-tube syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203898856U true CN203898856U (en) | 2014-10-29 |
Family
ID=51773152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420318759.XU Expired - Fee Related CN203898856U (en) | 2014-06-16 | 2014-06-16 | Double-needle-tube syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203898856U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107823759A (en) * | 2017-12-25 | 2018-03-23 | 徐州仁和医疗科技有限公司 | A kind of efficient needleless injector |
| CN108714107A (en) * | 2017-05-26 | 2018-10-30 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
-
2014
- 2014-06-16 CN CN201420318759.XU patent/CN203898856U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108714107A (en) * | 2017-05-26 | 2018-10-30 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
| CN108714107B (en) * | 2017-05-26 | 2024-02-09 | 信远德怡医疗科技（北京）有限公司 | Configuration needle and configuration device with air pressure balance function |
| CN107823759A (en) * | 2017-12-25 | 2018-03-23 | 徐州仁和医疗科技有限公司 | A kind of efficient needleless injector |
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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 |
Granted publication date: 20141029 Termination date: 20170616 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |