CN205181917U - Syringe for foundation medicine - Google Patents
Syringe for foundation medicine Download PDFInfo
- Publication number
- CN205181917U CN205181917U CN201521012156.8U CN201521012156U CN205181917U CN 205181917 U CN205181917 U CN 205181917U CN 201521012156 U CN201521012156 U CN 201521012156U CN 205181917 U CN205181917 U CN 205181917U
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- CN
- China
- Prior art keywords
- injection tube
- syringe
- needle
- syringe needle
- diffusion barrier
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Abstract
The utility model relates to a syringe for foundation medicine belongs to the foundation medicine medical instrument field, the syringe includes push rod, spacing portion, injection tube, piston, soft of rubber, filter equipment, flange, spacing draw -in groove, syringe needle seat, baffle, syringe needle, needle lid, the syringe needle connects on the drain pipe of injection tube through the syringe needle seat cover, and syringe needle foot stall end is provided with the fan -shaped flange of two symmetries, and the top of injection tube is provided with the fan -shaped spacing draw -in groove of placing the fan -shaped flange of syringe needle seat of two symmetries, the needle lid is including collection liquid device, collection liquid device is equipped with the through -hole, and through -hole one end is equipped with the rubber stopper, and the other end is equipped with the aqueous vapor diffusion barrier, forms the liquid collecting cavity between aqueous vapor diffusion barrier and the rubber stopper, the problem of the syringe can not be with the medicine misce bene, when being difficult to filter flocculent macromolecular species, exhaust the syringe needle easily drops among serious, the injection process of medicine loss, light -resistant medicine light -resistant effect is unsatisfactory, the difficult control of needle puncturing depth the etc. During injection is solved.
Description
technical field:
This utility model relates to a kind of preclinical medicine syringe, belongs to preclinical medicine medical instruments field.
background technology:
Syringe, can not mix homogeneously in medicine suction needle tubing when injecting to patient, usually needs to shake injection tube gently; During injection, depth of needle is difficult to control, and crosses and deeply easily injures nerve, excessively simple and easyly make medicinal liquid reflux; In injection process, syringe needle can come off because the pressure in injection tube is excessive, wastes medicinal liquid, operates also inconvenient, is also easily caused accident simultaneously by pressure extrusion syringe needle out; Existing syringe is unsuitable for the medicine of some needs at lucifuge condition hemostasis, such as, as sodium nitroprusside, nifedipine, cilnidipine etc., when injectable drug, need the native silver or the black cloth parcel that use lucifuge, this mode clinical manipulation is cumbersome, and light-shading effect is not ideal enough, slightly not very, drug effect namely can be caused to reduce, losing efficacy even becomes noxious substance.
At present, the syringe on market, generally comprises injection tube, syringe piston, syringe needle and pin lid, although this syringe makes simple, easy to use, in use in order to drain only by the gas in injection tube, need pushing syringe piston, after medicinal liquid penetrates from syringe needle, could by residue injecting liquid drug in human body or animal, this process can cause the liquid waste of injection, medicine is more valuable, loses more; Existing syringe cannot remove the macromolecular substances etc. of flocculation, and human body easily produces rejection.
Therefore, need to improve existing preclinical medicine syringe, solve preclinical medicine syringe can not by medicament mixed, evenly, when being difficult to the macromolecular substances, the aerofluxus that filter out flocculation in serious, the injection process of medicine loss, syringe needle easily comes off, lucifuge medicine light-shading effect is undesirable, injection time the problem such as depth of needle difficult control.
summary of the invention:
In order to overcome Problems existing in background technology, this utility model provides a kind of preclinical medicine syringe, can Homogeneous phase mixing medicine when the soft bar of rubber is beneficial to injection; Baffle plate can control depth of needle when guaranteeing injection; Mutually rotate engaging by the flange that spacing draw-in groove that injection tube is arranged and needle holder are arranged, what strengthen between injection tube and syringe needle is fixing; By the setting of lucifuge body, the drug effect of some drugs is avoided to run off; Defecator is set in the bottom of injection tube, the macromolecular substances etc. of picture flocculation can be filtered out in use; Mounting limit portion on injection tube inwall, can stop piston to depart from injection tube because of excessively mobile.
For achieving the above object, this utility model is implemented by following technical scheme: described preclinical medicine syringe comprises push rod, limiting section, injection tube, piston, the soft bar of rubber, defecator, flange, spacing draw-in groove, needle holder, baffle plate, syringe needle, pin lid; Be provided with push rod in described injection tube, be provided with piston bottom push rod, piston is provided with the soft bar of rubber; Injection tube inwall is provided with limiting section, and injection tube inside bottom is provided with defecator; Described syringe needle is socketed on the drain pipe of injection tube by needle holder, and needle holder bottom is provided with two symmetrical fan-shaped flanges, and the top of injection tube is provided with the fan-shaped spacing draw-in groove of two symmetrical fan-shaped flanges of placement needle holder; Described syringe needle is fixed with baffle plate; Described pin lid comprises liquid collector, and described liquid collector is provided with through hole, and through hole one end is provided with rubber closure, and the other end is provided with aqueous vapor diffusion barrier, forms liquid collecting cavity between aqueous vapor diffusion barrier and rubber closure; Described liquid collector is provided with Ka Gai near described aqueous vapor diffusion barrier side, and described Ka Gai abuts with described aqueous vapor diffusion barrier.
As preferably: described limiting section is protruding.
As preferably: the aperture, inside of described defecator is less than 0.22 μm.
As preferably: the width of described spacing draw-in groove groove is equal with the thickness of flange.
As preferably: described pin lid adopts transparent material to make.
As preferably: the spacing of described aqueous vapor diffusion barrier and rubber closure exposure air side is not less than needle length.
As preferably: be provided with lucifuge body in described barrel wall.
The beneficial effects of the utility model:
1. this utility model can Homogeneous phase mixing medicine when injecting to patient, alleviates the work difficulty of nursing staff.
2. this utility model can control depth of needle when giving patient injection.
3. the flange by spacing draw-in groove that injection tube is arranged and needle holder are arranged rotates engaging mutually, strengthen fixing between injection tube and syringe needle, avoid because the excessive drawback causing syringe needle to come off of injection cylinder pressure, and install by once rotating just can complete and unload, convenient and practical.
4., by the setting of lucifuge body, the drug effect of some medicines can be made not run off; It is simply rational in infrastructure, practical and convenient, make syringe more safety and light-shading effect good.
5. utilizing can the needle cover of aerofluxus liquid collecting, achieves syringe and do not waste medicinal liquid in aerofluxus, improve the utilization rate of medicinal liquid, reduce waste, alleviate patient economy burden.
6. defecator is set in the bottom of injection tube, further can filters out the macromolecular substances etc. of picture flocculation in use, reduce the rejection of human body.
7. this utility model mounting limit portion on injection tube inwall, when aspirating medicament, limiting section can prevent piston from departing from injection tube because of excessively mobile.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of pin lid in this utility model.
In figure, 1-push rod, 2-limiting section, 3-injection tube, 4-piston, the soft bar of 5-rubber, 6-defecator, 7-flange, the spacing draw-in groove of 8-, 9-needle holder, 10-baffle plate, 11-syringe needle, 12-liquid collector, 13-Ka Gai, 14-aqueous vapor diffusion barrier, 15-rubber closure, 16-pin lid.
detailed description of the invention:
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail, to facilitate the technical staff to understand.
As shown in Figure 1-2, described preclinical medicine syringe comprises push rod 1, limiting section 2, injection tube 3, piston 4, the soft bar of rubber 5, defecator 6, flange 7, spacing draw-in groove 8, needle holder 9, baffle plate 10, syringe needle 11, pin lid 16; Be provided with push rod 1 in described injection tube 3, be provided with piston 4 bottom push rod 1, piston 4 is provided with the soft bar 5 of rubber; When injecting to patient, gently rock injection tube 3 after in medicine suction injection tube 3, rubber strip soft 5 stirs medicinal liquid, and Homogeneous phase mixing medicine, alleviates the work difficulty of nursing staff.
Injection tube 3 inwall is provided with limiting section 2, and preferably, described limiting section 2 is protruding, and when aspirating medicament, limiting section 2 can stop piston to depart from injection tube 3 because of excessively mobile; Injection tube 3 inside bottom is provided with defecator 6, and preferably, the aperture, inside of described defecator 6 is less than 0.22 μm, and defecator 6 further can filter out the macromolecular substances etc. of picture flocculation when injecting, reduce the rejection of human body.
Described syringe needle 11 is socketed in by needle holder 9 on the drain pipe of injection tube 3, needle holder 9 bottom is provided with two symmetrical fan-shaped flanges 7, the top of injection tube 3 is provided with the fan-shaped spacing draw-in groove 8 of two symmetrical fan-shaped flanges of placement needle holder 87, preferably, the width of spacing draw-in groove 8 groove is equal with the thickness of flange 7; By on injection tube 3 arrange spacing draw-in groove 8 and needle holder 9 on arrange flange 7 mutually rotate engaging, strengthen fixing between injection tube 3 and syringe needle 11, avoid because of the excessive drawback causing syringe needle 11 to come off of pressure in injection tube 3, and install by once rotating just can complete and unload, convenient and practical; Syringe needle being fixed with baffle plate 10, when giving patient injection, the degree of depth of inserting needle can being controlled by the stop of baffle plate 10.
As shown in Figure 2, described pin lid 16 comprises liquid collector 12, and described liquid collector 12 is provided with through hole, and through hole one end is provided with rubber closure 15, and the other end is provided with aqueous vapor diffusion barrier 14, forms liquid collecting cavity between aqueous vapor diffusion barrier 14 and rubber closure 15, when using this syringe, syringe needle 11 is inserted in the medicine bottle of required injection, pull injector push-rod 1, medicinal liquid can be pumped in injection tube 3, subsequently syringe needle 11 is extracted from medicine bottle, the now existing medicinal liquid of injection tube 3, also gas is had, now syringe needle 11 is inserted in liquid collecting cavity from rubber closure 15 end of liquid collector 12, pushing syringe push rod 1, air in syringe needle 11 and part medicinal liquid enter liquid collecting cavity, continue pushing syringe push rod 1, air in liquid collecting cavity can be discharged from outlet chamber through aqueous vapor diffusion barrier 14, injector push-rod 1 is pulled after cannot promoting push rod 1, liquid collecting cavity inner liquid medicine is by suction injection tube 3 again, syringe is extracted after medicinal liquid is drained, now just only has medicinal liquid in injection tube 3 and syringe needle 11, there is not gas, can directly inject.
Described liquid collector 12 is provided with card lid 13 near described aqueous vapor diffusion barrier 14 side, and described card lid 13 abuts with described aqueous vapor diffusion barrier 14; After the medicinal liquid complete set in liquid collecting cavity is full, card lid 13 is set on liquid collector 12, then extracts medicinal liquid, in the process extracting medicinal liquid, prevent gas from entering in liquid collecting cavity, thus impact is taken out in medicine process and may be occurred that gas is by suction injection tube again; Preferably, described pin lid adopts transparent material to make, adopt transparent material that medical worker can be made fully to understand pin lid 16 inner case when aerofluxus, suitable control injector push-rod 1 push-and-pull speed, causes damage to aqueous vapor diffusion barrier 14 when avoiding syringe needle 11 to insert.
Preferably, described aqueous vapor diffusion barrier 14 is not less than syringe needle 11 length with the spacing of rubber closure 15 exposure air side, when syringe needle 11 is inserted in liquid collecting cavity, syringe needle can not be made to destroy aqueous vapor diffusion barrier 14; Described aqueous vapor diffusion barrier 14 can arrange multilamellar, ensures that liquid collecting cavity isolation medicinal liquid effect is better, avoids syringe needle 11 simultaneously and accidentally injure the liquid collecting exhaust effect that aqueous vapor diffusion barrier 14 affects liquid collecting cavity.
In described injection tube 3 wall, spray has lucifuge body, the setting of lucifuge body, and the drug effect of some drugs can be made not run off, make syringe more safety and light-shading effect good.
This utility model can Homogeneous phase mixing medicine when injecting to patient, alleviates the work difficulty of nursing staff; This utility model can control depth of needle when giving patient injection; Mutually engaging is rotated by the flange that spacing draw-in groove that injection tube is arranged and needle holder are arranged, strengthen fixing between injection tube and syringe needle, avoid the injection cylinder pressure excessive syringe needle that causes to come off, install by once rotating just can complete and unload, to facilitate and practical; By the setting of lucifuge body, the drug effect of some medicines can be made not run off; It is simply rational in infrastructure, practical and convenient, make syringe more safety and light-shading effect good; Utilization can the needle cover of aerofluxus liquid collecting, achieves syringe and do not waste medicinal liquid in aerofluxus, improve the utilization rate of medicinal liquid, reduce waste, alleviate patient economy burden; Defecator is set in the bottom of injection tube, further can filters out the macromolecular substances etc. of picture flocculation in use, reduce the rejection of human body; This utility model is mounting limit portion on injection tube inwall, and when aspirating medicament, limiting section can prevent the excessively mobile disengaging injection tube of piston.
Finally illustrate: above are only and be not used in restriction this utility model preferred embodiment, for a person skilled in the art, this utility model can have multiple change and change.All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all do not depart from the scope that this utility model claims limit.
Claims (7)
1. a preclinical medicine syringe, is characterized in that: described preclinical medicine syringe comprises push rod, limiting section, injection tube, piston, the soft bar of rubber, defecator, flange, spacing draw-in groove, needle holder, baffle plate, syringe needle, pin lid; Be provided with push rod in described injection tube, be provided with piston bottom push rod, piston is provided with the soft bar of rubber; Injection tube inwall is provided with limiting section, and injection tube inside bottom is provided with defecator; Described syringe needle is socketed on the drain pipe of injection tube by needle holder, and needle holder bottom is provided with two symmetrical fan-shaped flanges, and the top of injection tube is provided with the fan-shaped spacing draw-in groove of two symmetrical fan-shaped flanges of placement needle holder; Described syringe needle is fixed with baffle plate; Described pin lid comprises liquid collector, and described liquid collector is provided with through hole, and through hole one end is provided with rubber closure, and the other end is provided with aqueous vapor diffusion barrier, forms liquid collecting cavity between aqueous vapor diffusion barrier and rubber closure; Described liquid collector is provided with Ka Gai near described aqueous vapor diffusion barrier side, and described Ka Gai abuts with described aqueous vapor diffusion barrier.
2. a kind of preclinical medicine syringe according to claim 1, is characterized in that: described limiting section is protruding.
3. a kind of preclinical medicine syringe according to claim 1, is characterized in that: the aperture, inside of described defecator is less than 0.22 μm.
4. a kind of preclinical medicine syringe according to claim 1, is characterized in that: the width of described spacing draw-in groove groove is equal with the thickness of flange.
5. a kind of preclinical medicine syringe according to claim 1, is characterized in that: described pin lid adopts transparent material to make.
6. a kind of preclinical medicine syringe according to claim 1, is characterized in that: the spacing of described aqueous vapor diffusion barrier and rubber closure exposure air side is not less than needle length.
7. a kind of preclinical medicine syringe according to claim 1, is characterized in that: be provided with lucifuge body in described barrel wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012156.8U CN205181917U (en) | 2015-12-09 | 2015-12-09 | Syringe for foundation medicine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521012156.8U CN205181917U (en) | 2015-12-09 | 2015-12-09 | Syringe for foundation medicine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205181917U true CN205181917U (en) | 2016-04-27 |
Family
ID=55774959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521012156.8U Expired - Fee Related CN205181917U (en) | 2015-12-09 | 2015-12-09 | Syringe for foundation medicine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205181917U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394537A (en) * | 2018-12-03 | 2019-03-01 | 四川大学华西第二医院 | A kind of pre-filled pressure equilibrium syringe |
| CN111973839A (en) * | 2020-09-02 | 2020-11-24 | 大连医科大学附属第一医院 | Critical severe medical science is with device of dosing |
| CN112169076A (en) * | 2020-09-29 | 2021-01-05 | 浙江笑谈科技有限公司 | Exhaust type medical injection apparatus with anti-theft function |
| CN113827237A (en) * | 2021-09-24 | 2021-12-24 | 山东新华安得医疗用品有限公司 | Sealing device with anti-needling and exhausting functions |
-
2015
- 2015-12-09 CN CN201521012156.8U patent/CN205181917U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109394537A (en) * | 2018-12-03 | 2019-03-01 | 四川大学华西第二医院 | A kind of pre-filled pressure equilibrium syringe |
| CN111973839A (en) * | 2020-09-02 | 2020-11-24 | 大连医科大学附属第一医院 | Critical severe medical science is with device of dosing |
| CN112169076A (en) * | 2020-09-29 | 2021-01-05 | 浙江笑谈科技有限公司 | Exhaust type medical injection apparatus with anti-theft function |
| CN113827237A (en) * | 2021-09-24 | 2021-12-24 | 山东新华安得医疗用品有限公司 | Sealing device with anti-needling and exhausting functions |
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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: 20160427 Termination date: 20161209 |