CN104001235A - Multi-chamber vacuum retracted safe injector - Google Patents
Multi-chamber vacuum retracted safe injector Download PDFInfo
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- CN104001235A CN104001235A CN201310055382.3A CN201310055382A CN104001235A CN 104001235 A CN104001235 A CN 104001235A CN 201310055382 A CN201310055382 A CN 201310055382A CN 104001235 A CN104001235 A CN 104001235A
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- needle
- assembly
- distributed
- safety injector
- piston component
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Abstract
The invention relates to a multi-chamber vacuum retracted safe injector. The injector comprises a needle tubing body, wherein a piston component is arranged in the needle tubing body, and is characterized in that the front end of the needle tubing body is provided with a raised lip object, and the tip of the lip object is provided with a needle cover. A needle head component is arranged in the lip object, an extension part of the needle head component penetrates through a needle head passage opening, a middle chamber and a vacuum chamber are distributed in the needle tubing body, and air vents are formed in the needle tubing body; a piston component comprises a spindle, wherein one end of the spindle is provided with a thumb platform, and the other end of the spindle is connected with a rigid shaft; one end of the rigid shaft is provided with a sealed connecting part, and the other end of the rigid shaft is provided with a needle head clamping member. When the piston component is placed in a clamping position, the vacuum chamber can be generated by a retraction force; when the piston component is placed on a clamping position, a far-end piston can start the needle cover, the needle cover and the needle head can be retracted into an injector tube body by the retraction force, so as to prevent the needle head from accidently pricking and prevent the needle head from being repeatedly used.
Description
Technical field
The present invention relates to a kind of syringe, relate in particular to a kind of multicell vacuum retractable safety injector.
Background technology
In recent years, the public (for example, medical worker and medical care provider, addict) realizes that syringe needle is reused and unexpected health hazard problem of stabbing event pin day by day.For example, at least two ten kinds of blood borne diseases can be reused or the unexpected event of stabbing propagates by syringe needle.For example, these blood borne diseases may comprise, be not limited to HIV (human immunodeficiency virus) (HIV), acquired immune deficiency syndrome (AIDS) (acquired immune deficiency syndrome (AIDS)), hepatitis B, hepatitis C, syphilis, malaria, tuberculosis and herpes.In the U.S., reuse and the syringe needle event of surprisingly stabbing of syringe needle has caused at least 36% HIV (human immunodeficiency virus) or the risk of hepatitis B more than acquired immune deficiency syndrome (AIDS) case and 50% and hepatitis C.Therefore, be necessary to contain the way of needle sharing.
While checking about world population, further find to share syringe or the reusable serious problems of syringe needle.Nearly 30% HIV (human immunodeficiency virus) or acquired immune deficiency syndrome (AIDS) case are for example directly to use contaminated syringe needle in Brazil, Chile, Uruguay, Paraguay and Argentina.HIV (human immunodeficiency virus) infection case in China approximately 70% has directly been used contaminated syringe needle.In the East European countries, 80% injection drug addicts admit has the contaminated syringe needle of sharing.HIV (human immunodeficiency virus) or acquired immune deficiency syndrome (AIDS) case in Poland and Yugoslavia approximately 43% all directly cause because syringe needle is shared.
Syringe needle is surprisingly stabbed and is also being threatened medical personnel.Especially, report that every year about 1,000,000 accident stabs by medical personnel.But believe that non-report data have at least the unexpected syringe needle of 3,000,000 to stab annual generation, wherein do not report for approximately 2,000,000.Every research is estimated, from all unexpected syringe needles, stabs nurse, about 40% to 53% of the injury that generation is not reported a case to the security authorities.Every research also estimates, from all syringe needles to Laboratory Technician, and about 92% of the injury of not reporting a case to the security authorities.The injury occurring from syringe needle to doctor is estimated in further every research, report a case to the security authorities nearly 70% to 95%.
1997, a research of U.S. CDC (CDC) was found by using safety needle can avoid about 76% to be stabbed by syringe needle.
At present, on American market, there is polytype " safety injector ".Unfortunately, these " safety injectors " exist many problems at present, no matter on usability, or by industry, are criticized on effectiveness always.Therefore invention " safety injector of new generation of modified version " has huge space and the market space improved.
Summary of the invention
Object of the present invention is exactly in order to solve the above-mentioned problems in the prior art, and a kind of multicell vacuum retractable safety injector is provided.
Object of the present invention is achieved through the following technical solutions:
A kind of multicell vacuum retractable safety injector, include needle tubing body, in described needle tubing body, be provided with piston component, wherein: described needle tubing body front end is provided with protruding lip thing, the termination of described lip thing is provided with pin cover, described pin cover is provided with the current opening of syringe needle, in described lip thing, be provided with container cavity, in described container cavity, be provided with needle assembly, the extension of described needle assembly is through the current opening of syringe needle, one end of described piston component is provided with proximal piston, the other end of described piston component is provided with airtight assembly, described proximal piston, airtight assembly and needle tubing body form medial compartment, on described piston component, be provided with sealing and be connected assembly, between described sealing linking assembly and needle tubing body, form vacuum chamber, on described needle tubing body, be distributed with vent, described piston component, include main shaft, described main shaft one end is provided with thumb platform, the described main shaft other end is connected with stiff shaft, described stiff shaft one end is provided with sealing and is connected assembly, the described stiff shaft other end is provided with syringe needle shackle member.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: described needle tubing body is the body of falling convex character shape, the described body of falling convex character shape includes upper end body, on described upper end body, be communicated with lower end body, on described upper end body, be distributed with vent, described lower end body is fluid chamber, the outer end of described upper end body and lower end body joining place is distributed with chamfering platform, the inner of described upper end body and lower end body joining place is distributed with stop bit platform, is provided with scale marking layer in described fluid chamber.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: described needle assembly includes wedge, is connected with entry needle on described wedge, and described wedge and entry needle are provided with the conveyance conduit of conducting.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: described syringe needle shackle member includes airtight assembly, in described airtight assembly, be distributed with secondary black box, on described airtight assembly, be provided with directing assembly, described directing assembly is hollow cylinder, in described hollow cylinder, be provided with needle assembly spatial accommodation, one side of described hollow cylinder is distributed with near-end fastener, the opposite side of described hollow cylinder is distributed with the bonding fastener of lower far-end, in described upper near-end fastener, be distributed with otch, under described needle assembly spatial accommodation correspondence, the position distribution of the bonding fastener of far-end has inclined-plane, described secondary black box is sealing ring.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: the work surface of described upper near-end fastener is lower than the work surface of the bonding fastener of lower far-end.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: on described stiff shaft, be provided with linking groove, on described main shaft, be provided with linking boss, or, on described stiff shaft, be provided with linking boss, be provided with linking groove on described main shaft, described linking boss embeds and is connected in groove.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: in described proximal piston, be provided with ladder assembly, described ladder assembly is divided into end difference, low end difference from top to bottom, between described upper end difference and low end difference, be provided with lip, the diameter of described upper end difference is greater than low end difference diameter, in described upper end difference, be provided with main sealing assembly, in described low end difference, be provided with wheel rim, described main sealing assembly, wheel rim are provided with coaxial axis hole, in described axis hole, are connected with piston component.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: described main sealing assembly includes lid, in described lid, be provided with brake assemblies, on described brake assemblies, offer axis hole, in described brake assemblies, be provided with projection pad, described wheel rim bottom is extended with sealed end, described sealed end contacts with low end difference, and described brake assemblies is stand alone type friction annulus, or is that two lobe friction plates merge the friction annulus forming.
Further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: described vent is triangle, or is rectangle, or is oval.
Again further, above-mentioned a kind of multicell vacuum retractable safety injector, wherein: between described needle assembly and lip thing, be provided with black box, described black box is sealing ring, between described needle tubing body front end and lip thing, is provided with chamfering platform.
The advantage of technical solution of the present invention is mainly reflected in: when piston component series is during in stuck position, medial compartment allows air from medial compartment out, allows air to be introduced in medial compartment.When piston component is positioned over to stuck position, a retraction force can produce through vacuum chamber.When stuck position, far-end piston can start pin cover, and retraction force can enter into pin cover and needle retractable in syringe body, thereby avoids reusing of the unexpected thorn of syringe needle and syringe needle.
Accompanying drawing explanation
Object of the present invention, advantage and disadvantage, the non-limitative illustration by preferred embodiment below is for illustration and explanation.These embodiment are only the prominent examples of application technical solution of the present invention, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming, within all dropping on the scope of protection of present invention.
Fig. 1 is the unitary construction schematic diagram of this multicell vacuum retractable safety injector;
Fig. 2 is the organigram of syringe needle shackle member;
Fig. 3 is the profile construction schematic diagram that Fig. 2 prolongs a-a ';
Fig. 4 is the organigram of proximal piston;
Fig. 5 is needle assembly retraction schematic diagram;
Fig. 6 is the local enlarged diagram of Fig. 5.
| 1 | Needle tubing body | 2 | Lip thing |
| 3 | Pin cover | 4 | Container cavity |
| 5 | Wedge | 6 | Entry needle |
| 7 | Chamfering platform | 8 | Sealing ring |
| 9 | Proximal piston | 10 | Airtight assembly |
| 11 | Medial compartment | 12 | Vacuum chamber |
| 13 | Vent | 14 | Upper end body |
| 15 | Lower end body | 16 | Sealing is connected assembly |
| 17 | Stop bit platform | 18 | Main shaft |
| 19 | Stiff shaft | 20 | Main sealing assembly |
| 21 | Secondary black box | 22 | Hollow cylinder |
| 23 | Upper near-end fastener | 24 | The bonding fastener of lower far-end |
| 25 | Otch | 26 | Inclined-plane |
| 27 | Upper end difference | 28 | Low end difference |
| 29 | Lip | 30 | Lid |
| 31 | Friction annulus | 32 | Projection pad |
| 33 | Wheel rim | ? | ? |
。
The specific embodiment
A kind of multicell vacuum retractable safety injector as shown in Fig. 1～6, include needle tubing body 1, in needle tubing body 1, be provided with piston component, its special feature is: needle tubing body 1 front end of the present invention is provided with protruding lip thing 2, the termination of lip thing 2 is provided with pin cover 3, and this pin cover 3 is provided with the current opening of syringe needle.Meanwhile, be provided with container cavity 4 in lip thing 2, in container cavity 4, be provided with needle assembly, the extension of needle assembly is through the current opening of syringe needle.One end of the piston component adopting is provided with proximal piston 9, and the other end of piston component is provided with airtight assembly 10.Thus, make proximal piston 9, airtight assembly 10 form medial compartment 11 with needle tubing body 1.Consider the air-tightness needs in actual use procedure, on piston component, be provided with sealing and be connected assembly 16, between sealing linking assembly 16 and needle tubing body 1, form vacuum chamber 12, be convenient to follow-up needle assembly retraction.Certainly, in order to meet the air pressure balance in injection process, on needle tubing body 1, be distributed with vent 13.And, consider the smooth work of piston component, it includes main shaft 18, main shaft 18 one end are provided with thumb platform, main shaft 18 other ends are connected with stiff shaft 19, and stiff shaft 19 one end are provided with sealing and are connected assembly 16, and stiff shaft 19 other ends are provided with syringe needle shackle member.
With regard to the present invention one embodiment preferably, to consider that the vacuum space in vacuum chamber 12 meets the retraction power of needle assembly, and there will not be bubble-tight leakage problem, the needle tubing body 1 of employing is the body of falling convex character shape, forms a terrace structure.Specifically, the body of falling convex character shape of employing includes upper end body 14, is communicated with lower end body 15 on upper end body 14.Meanwhile, for the ease of air pressure balance, can promote smoothly piston component, on upper end body 14, be distributed with vent 13.And, meet the needs of daily drug administration by injection, the lower end body 15Wei fluid chamber of employing.
In order to improve whole fastness, can realize the transition that is connected of upper end body 14 and lower end body 15 simultaneously, in the outer end of upper end body 14 and lower end body 15 joining places, be distributed with chamfering platform 7., consider carrying out suitable restriction before piston component meanwhile, guarantee follow-up can be smoothly and needle assembly carry out combination, guarantee Involution, upper end body 14 is distributed with stop bit platform 17 with the inner of lower end body 15 joining places.Meanwhile, for the ease of user, know the concrete quantity of injected material, in fluid chamber, be provided with scale marking layer.
Further, for entry needle 6 is effectively located, can guide it in follow-up retraction process, to return to smoothly needle tubing body 1, adopt needle assembly to include wedge 5 simultaneously.Meanwhile, on wedge 5, be connected with entry needle 6.Consider passing through smoothly of injecting fluid, wedge 5 and entry needle 6 are provided with the conveyance conduit of conducting.Certainly, the convenient entry needle 6 injection terminations for subcutaneous injection and intramuscular injection are provided with inclined open.Wedge 5 can be connected with pin cover 3 in CONTACT WITH FRICTION mode.Brake assemblies cohesive end, with after follow-up shaft assembly contacts, relies on the retraction force of hollow, allows wedge 5 also bounce back.During this period, drive entry needle 6 to retract in needle tubing body 1 simultaneously.
, consider and the coordinating of follow-up brake assemblies, bounce back fast, needle assembly end is brake assemblies cohesive end meanwhile.Meanwhile, in order to promote whole sealing effectiveness, prevent leaking outside of injecting fluid, between needle assembly and lip thing 2, be provided with black box.And, consider the facility of manufacture, black box is that sealing ring 8 can reach corresponding effect.
Again further, consider the vacuum environment that needle assembly retraction needs, meet the sealing of injected material simultaneously, there will not be and leak outside, sealing is connected assembly 16 and includes primary seal boss, is distributed with the main sealing assembly 20 that sealing ring 8 forms in primary seal boss.Corresponding with it, syringe needle shackle member of the present invention includes airtight assembly 10, is distributed with secondary black box 21 in airtight assembly 10, on this airtight assembly 10, is provided with directing assembly.
In using for the ease of reality, be combined with the contact of needle assembly, the directing assembly of employing is hollow cylinder 22, is provided with needle assembly spatial accommodation in hollow cylinder 22.Meanwhile, in order better the linking of needle assembly to be carried out to screens, prevent and get loose, a side of hollow cylinder 22 is distributed with near-end fastener 23, at the opposite side of hollow cylinder 22, is distributed with the bonding fastener 24 of lower far-end.And, for allow retraction after needle assembly have preferably angle of inclination, carry out suitable location, prevent accidental release, in upper near-end fastener 23, be distributed with otch 25, under needle assembly spatial accommodation correspondence, the position distribution of the bonding fastener 24 of far-end has inclined-plane 26, and secondary black box 21 is sealing ring 8.Consider the heeling condition of consolidating the rear needle assembly of retraction, in order, the work surface of near-end fastener 23 is lower than the work surface of the bonding fastener 24 of lower far-end.
And, in order to be conducive to stiff shaft 19, be connected with the firm of main shaft 18, and there will not be unnecessary rocking, on stiff shaft 19, be provided with linking groove, on main shaft 18, be provided with linking boss, be connected boss and embed in linking groove.Certainly, considering different processing technique and the needs of application, can be also on stiff shaft 19, to be provided with linking boss, is provided with linking groove on main shaft 18, can play preferably result of use equally.
In order to promote result of use, in the proximal piston 9 of employing, be provided with ladder assembly.Specifically, ladder assembly is divided into end difference 27, low end difference 28 from top to bottom, between upper end difference 27 and low end difference 28, is provided with lip 29.Meanwhile, consider the assurance of follow-up coefficient of friction, be conducive to provide preferably braking effect, the diameter of upper end difference 27 is greater than low end difference 28 diameters.And, in order to have preferably air-tightness, guarantee follow-up retraction needs, in upper end difference 27, be provided with main sealing assembly 20, in low end difference 28, be provided with secondary black box 21.Installation for the ease of other assemblies coordinates, and main sealing assembly 20, secondary black box 21 are provided with coaxial axis hole, are connected with piston component in axis hole.
Moreover the main sealing assembly 20 of employing includes and covers 30, in lid 30, be provided with brake assemblies.For the ease of passing through of piston component, and have certain resistance sense, on brake assemblies, offer axis hole, in brake assemblies, be provided with projection pad 32.For the needs of fitted seal, secondary black box 21 of the present invention includes wheel rim 33, in wheel rim 33 bottoms, is extended with sealed end.Meanwhile, make sealed end contact with low end difference 28.
And, consider assembling and the needs of different application, brake assemblies be stand alone type friction annulus 31, or is the friction annulus 31 of two lobe friction plates merging compositions.Like this, can meet integrated needs, or the needs of the follow-up assembling of sectional forming.
Further combined with actual, make for seeing, consider the air pressure balance needs of different flow, vent 13 is triangle, or is rectangle, or is oval.Can control so different air pressure balance speed.And, in order to improve the transition that is connected of needle tubing body 1 and lip thing 2, between needle tubing body 1 front end and lip thing 2, be provided with chamfering platform 7.
In conjunction with actual service condition of the present invention, under any circumstance, vent 13 allows there is pressure in medial compartment 11.Pressure size is equal to the pressure of the external volume of this retraction intake type syringe, for example, and ambient air during this syringe.Like this, be convenient to the propelling of piston component.And the volume of the vacuum chamber 12 that the present invention adopts is enough large.Like this, after piston component is combined with needle assembly, can produce enough retraction forces, make needle assembly be received into smoothly in needle tubing body 1.
Brake assemblies and be under the jurisdiction of the suitable frictional force that has between the outer surface of stiff shaft 19 of piston component, to meet the requirement of syringe.For example, the internal diameter of lid 30 inner surface can reduce, thereby the power of projection pad 32 that makes to press on the outer surface of stiff shaft 19 is able to deflection.Meanwhile, due to the material of brake assemblies, the material of stiff shaft 19, or the difference of the workmanship of projection pad 32 friction surfaces, the frictional force between brake assemblies and stiff shaft 19 also may be different.During operation, when brake assemblies is the position in braking, the projection pad 32 of brake assemblies and the frictional force between stiff shaft 19 are less than the frictional force between brake assemblies and lid 30.Like this, brake assemblies can not extruded in whole use procedure from cover 30, allows brake assemblies be in low end difference 28, has promoted piston component in powder charge position or the stability of stuck position.
Meanwhile, stiff shaft 19 can be under the effect of the projection pad 32 of brake assemblies and is slided.At this moment, piston component, between advanced position and stuck position, now, brake assemblies is not extruded from application position, and this is due to the projection pad 32 of brake assemblies and the frictional force of stiff shaft 19, to be less than the frictional force of brake assemblies and lid 30.
When brake assemblies is during in off-position, brake assemblies is in low end difference 28, and the inner surface of lid 30, no longer makes projection pad 32 toe-ins.Thereby, no longer press the projection pad 32 of the brake assemblies on stiff shaft 19, thereby do not produce the counteractive frictional force of the retraction force producing with follow-up vacuum chamber 12.
In off-position, brake assemblies is loose, and because low end difference 28 has comprised a larger volume and brake assemblies, to such an extent as to brake assemblies can become flexible and dissipate.Projection pad 32 is not pressed the outer surface of stiff shaft 19, does not produce any counteracting force.During this period, user discharges thumb platform, so piston component is free to retract to retracted position.
As shown in Figure 5, Figure 6, when the bonding fastener 24 of far-end contacts with the pin cover 3 of needle assembly instantly, pin cover 3 can be caught on, drive whole needle assembly to the inner retraction of syringe.In this process, the guiding by means of otch 25 with inclined-plane 26, can allow needle assembly occur tilting, and auxiliary screens, there will not be and get loose.
By above-mentioned character express, can find out, adopt after the present invention, when piston component series is during in stuck position, medial compartment allows air from medial compartment out, allows air to be introduced in medial compartment.When piston component is positioned over to stuck position, a retraction force can produce through vacuum chamber.When stuck position, far-end piston can start pin cover, and retraction force can enter into pin cover and needle retractable in syringe body, thereby avoids reusing of the unexpected thorn of syringe needle and syringe needle.
Claims (10)
1. a multicell vacuum retractable safety injector, include needle tubing body, in described needle tubing body, be provided with piston component, it is characterized in that: described needle tubing body front end is provided with protruding lip thing, the termination of described lip thing is provided with pin cover, described pin cover is provided with the current opening of syringe needle, in described lip thing, be provided with container cavity, in described container cavity, be provided with needle assembly, the extension of described needle assembly is through the current opening of syringe needle, one end of described piston component is provided with proximal piston, the other end of described piston component is provided with airtight assembly, described proximal piston, airtight assembly and needle tubing body form medial compartment, on described piston component, be provided with sealing and be connected assembly, between described sealing linking assembly and needle tubing body, form vacuum chamber, on described needle tubing body, be distributed with vent, described piston component, include main shaft, described main shaft one end is provided with thumb platform, the described main shaft other end is connected with stiff shaft, described stiff shaft one end is provided with sealing and is connected assembly, the described stiff shaft other end is provided with syringe needle shackle member.
2. a kind of multicell vacuum retractable safety injector according to claim 1, it is characterized in that: described needle tubing body is the body of falling convex character shape, the described body of falling convex character shape includes upper end body, on described upper end body, be communicated with lower end body, on described upper end body, be distributed with vent, described lower end body is fluid chamber, the outer end of described upper end body and lower end body joining place is distributed with chamfering platform, the inner of described upper end body and lower end body joining place is distributed with stop bit platform, is provided with scale marking layer in described fluid chamber.
3. a kind of multicell vacuum retractable safety injector according to claim 1, is characterized in that: described needle assembly includes wedge, and on described wedge, be connected with entry needle, described wedge and entry needle are provided with the conveyance conduit of conducting.
4. a kind of multicell vacuum retractable safety injector according to claim 1, it is characterized in that: described syringe needle shackle member includes airtight assembly, in described airtight assembly, be distributed with secondary black box, on described airtight assembly, be provided with directing assembly, described directing assembly is hollow cylinder, in described hollow cylinder, be provided with needle assembly spatial accommodation, one side of described hollow cylinder is distributed with near-end fastener, the opposite side of described hollow cylinder is distributed with the bonding fastener of lower far-end, in described upper near-end fastener, be distributed with otch, under described needle assembly spatial accommodation correspondence, the position distribution of the bonding fastener of far-end has inclined-plane, described secondary black box is sealing ring.
5. a kind of multicell vacuum retractable safety injector according to claim 4, is characterized in that: the work surface of described upper near-end fastener is lower than the work surface of the bonding fastener of lower far-end.
6. a kind of multicell vacuum retractable safety injector according to claim 1, it is characterized in that: on described stiff shaft, be provided with linking groove, on described main shaft, be provided with linking boss, or, on described stiff shaft, be provided with linking boss, on described main shaft, be provided with linking groove, described linking boss embeds and is connected in groove.
7. a kind of multicell vacuum retractable safety injector according to claim 1, it is characterized in that: in described proximal piston, be provided with ladder assembly, described ladder assembly is divided into end difference, low end difference from top to bottom, between described upper end difference and low end difference, be provided with lip, the diameter of described upper end difference is greater than low end difference diameter, in described upper end difference, be provided with main sealing assembly, in described low end difference, be provided with wheel rim, described main sealing assembly, wheel rim are provided with coaxial axis hole, in described axis hole, are connected with piston component.
8. a kind of multicell vacuum retractable safety injector according to claim 7, it is characterized in that: described main sealing assembly includes lid, in described lid, be provided with brake assemblies, on described brake assemblies, offer axis hole, in described brake assemblies, be provided with projection pad, described wheel rim bottom is extended with sealed end, and described sealed end contacts with low end difference, described brake assemblies is stand alone type friction annulus, or is that two lobe friction plates merge the friction annulus forming.
9. a kind of multicell vacuum retractable safety injector according to claim 1, is characterized in that: described vent is triangle, or is rectangle, or is oval.
10. a kind of multicell vacuum retractable safety injector according to claim 1, it is characterized in that: between described needle assembly and lip thing, be provided with black box, described black box is sealing ring, between described needle tubing body front end and lip thing, is provided with chamfering platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055382.3A CN104001235A (en) | 2013-02-21 | 2013-02-21 | Multi-chamber vacuum retracted safe injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310055382.3A CN104001235A (en) | 2013-02-21 | 2013-02-21 | Multi-chamber vacuum retracted safe injector |
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| Publication Number | Publication Date |
|---|---|
| CN104001235A true CN104001235A (en) | 2014-08-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310055382.3A Pending CN104001235A (en) | 2013-02-21 | 2013-02-21 | Multi-chamber vacuum retracted safe injector |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497017A (en) * | 2017-09-25 | 2017-12-22 | 南京律智诚专利技术开发有限公司 | A kind of disposable injection device with vacuum cavity |
| CN108186342A (en) * | 2018-03-08 | 2018-06-22 | 兖矿集团有限公司总医院 | A kind of acupuncture contact pin apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120022447A1 (en) * | 2010-07-23 | 2012-01-26 | Oliver Richard B | Multi-Chambered Retractable Safety Syringe |
| WO2013020170A1 (en) * | 2011-08-05 | 2013-02-14 | Unitract Syringe Pty Ltd | Dual chamber mixing device for a syringe |
| CN203196088U (en) * | 2013-02-21 | 2013-09-18 | 无锡星创生物技术有限公司 | Vacuum retracting type safety injection syringe with multiple chambers |
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2013
- 2013-02-21 CN CN201310055382.3A patent/CN104001235A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120022447A1 (en) * | 2010-07-23 | 2012-01-26 | Oliver Richard B | Multi-Chambered Retractable Safety Syringe |
| WO2013020170A1 (en) * | 2011-08-05 | 2013-02-14 | Unitract Syringe Pty Ltd | Dual chamber mixing device for a syringe |
| CN203196088U (en) * | 2013-02-21 | 2013-09-18 | 无锡星创生物技术有限公司 | Vacuum retracting type safety injection syringe with multiple chambers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107497017A (en) * | 2017-09-25 | 2017-12-22 | 南京律智诚专利技术开发有限公司 | A kind of disposable injection device with vacuum cavity |
| CN108186342A (en) * | 2018-03-08 | 2018-06-22 | 兖矿集团有限公司总医院 | A kind of acupuncture contact pin apparatus |
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Application publication date: 20140827 |