CN203196088U - Vacuum retracting type safety injection syringe with multiple chambers - Google Patents
Vacuum retracting type safety injection syringe with multiple chambers Download PDFInfo
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- CN203196088U CN203196088U CN 201320080124 CN201320080124U CN203196088U CN 203196088 U CN203196088 U CN 203196088U CN 201320080124 CN201320080124 CN 201320080124 CN 201320080124 U CN201320080124 U CN 201320080124U CN 203196088 U CN203196088 U CN 203196088U
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Abstract
The utility model relates to a vacuum retracting type safety injection syringe with multiple chambers. The vacuum retracting type safety injection syringe with multiple chambers comprises a needle tubing body, wherein a piston assembly is arranged inside the needle tubing body. The vacuum retracting type safety injection syringe with multiple chambers is characterized in that a lip-shaped object which protrudes is arranged at the front end of the needle tubing body, and a needle cover is arranged at the end of the lip-shaped object. According to the vacuum retracting type safety injection syringe with multiple chambers, a syringe needle assembly is arranged inside the lip-shaped object, the extending part of the syringe needle assembly penetrates through a syringe needle passing opening, a middle chamber and a vacuum chamber are distributed inside the needle tubing body, ventilation holes are distributed in the needle tubing body, the piston assembly comprises a main shaft, a thumb platform is arranged at one end of the main shaft, a rigid shaft is connected to the other end of the main shaft, a sealing connection assembly is arranged at one end of the rigid shaft, and a syringe needle clamping piece is arranged at the other end of the rigid shaft. When the piston assembly is placed at a position where the piston assembly can be clamped, retracting force can be generated through the vacuum chamber, the needle cover can be started by a far-end piston, the needle cover and a syringe needle retract into the tubing body of the injection syringe under the action of the retracting force, and therefore accidental pricking of the syringe needle is avoided and the syringe needle is prevented from being used repeatedly.
Description
Technical field
This utility model relates to a kind of syringe, relates 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 day by day that syringe needle is reused and unexpected health hazard problem of stabbing the event pin.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 accident event of stabbing of syringe needle has caused at least 36% HIV (human immunodeficiency virus) or the hepatitis B more than acquired immune deficiency syndrome (AIDS) case and 50% and the risk of hepatitis C.Therefore, be necessary to contain the way of needle sharing.
When 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 directly to use contaminated syringe needle in Brazil, Chile, Uruguay, Paraguay and Argentina for example.China approximately 70% HIV (human immunodeficiency virus) infect case and directly used contaminated syringe needle.In the East European countries, 80% injection drug addicts admit has the contaminated syringe needle of sharing.Approximately 43% HIV (human immunodeficiency virus) or acquired immune deficiency syndrome (AIDS) case all directly cause owing to syringe needle is shared in Poland and Yugoslavia.
The syringe needle accident is stabbed and is also being threatened medical personnel.Especially, the accident of annual report about 1,000,000 is stabbed by medical personnel.But believe that non-report data have at least 3,000,000 unexpected syringe needle to stab annual the generation, wherein about 2,000,000 reports not.Every research is estimated, stabs the nurse from all unexpected syringe needles, 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 the Laboratory Technician, and about 92% of the injury of not reporting a case to the security authorities.The injury that occurs is estimated in further every research from the syringe needle to doctor, report a case to the security authorities nearly 70% to 95%.
1997, one of U.S. CDC (CDC) research was found by using safety needle can avoid about 76% to be stabbed by syringe needle.
At present, at American market polytype " safety injector " arranged.Unfortunately, these " safety injectors " exist many problems at present, no matter on usability, or are criticized by industry on effectiveness always.Therefore invention " safety injector of new generation of modified version " has huge space and the market space improved.
The utility model content
The purpose of this utility model 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.
The purpose of this utility model is achieved through the following technical solutions:
Multicell vacuum retractable safety injector, include the needle tubing body, be provided with piston component in the described needle tubing body, wherein: described needle tubing body front end is provided with the lip thing of projection, the termination of described lip thing is provided with the pin cover, described pin cover is provided with the current opening of syringe needle, be provided with container cavity in the described lip thing, be provided with needle assembly in the described container cavity, the current opening of syringe needle is passed in the extension of described needle assembly, 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 consist of medial compartment, be provided with sealing on the described piston component and be connected assembly, consist of vacuum chamber between described sealing linking assembly and the needle tubing body, be distributed with vent on the described needle tubing body, described piston component, include main shaft, described main shaft one end is provided with the 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, and the described stiff shaft other end is provided with the syringe needle shackle member.
Further, above-mentioned multicell vacuum retractable safety injector, wherein: described needle tubing body is the body of falling the convex character shape, the described body of falling the convex character shape includes the upper end body, be communicated with the lower end body on the body of described upper end, be distributed with vent on the body of described upper end, described lower end body is fluid chamber, the outer end of described upper end body and lower end body joining place is distributed with the chamfering platform, the inner of described upper end body and lower end body joining place is distributed with the stop bit platform, is provided with the scale marking layer in the described fluid chamber.
Further, above-mentioned multicell vacuum retractable safety injector, wherein: described needle assembly includes wedge, is connected with entry needle on the described wedge, and described wedge and entry needle are provided with the conveyance conduit of conducting.
Further, above-mentioned multicell vacuum retractable safety injector, wherein: described syringe needle shackle member includes airtight assembly, be distributed with secondary black box in the described airtight assembly, be provided with directing assembly on the described airtight assembly, described directing assembly is hollow cylinder, be provided with the needle assembly spatial accommodation in the described hollow cylinder, one side of described hollow cylinder is distributed with the near-end fastener, the opposite side of described hollow cylinder is distributed with the bonding fastener of lower far-end, be distributed with otch in the described upper near-end fastener, the position distribution of the bonding fastener of far-end has the inclined-plane under the described needle assembly spatial accommodation correspondence, and described secondary black box is sealing ring.
Further, above-mentioned 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 multicell vacuum retractable safety injector, wherein: be provided with the linking groove on the described stiff shaft, be provided with the linking boss on the described main shaft, or, be provided with the linking boss on the described stiff shaft, be provided with the linking groove on the described main shaft, described linking boss embeds and is connected in the groove.
Further, above-mentioned multicell vacuum retractable safety injector, wherein: be provided with the ladder assembly in the described proximal piston, described ladder assembly is divided into end difference, low end difference from top to bottom, be provided with lip between described upper end difference and the low end difference, the diameter of described upper end difference is greater than low end difference diameter, be provided with main sealing assembly in the described upper end difference, be provided with wheel rim in the described low end difference, described main sealing assembly, wheel rim are provided with coaxial axis hole, are connected with piston component in the described axis hole.
Further, above-mentioned multicell vacuum retractable safety injector, wherein: described main sealing assembly includes lid, be provided with brake assemblies in the described lid, offer axis hole on the described brake assemblies, be provided with the projection pad in the described brake assemblies, 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 that forms.
Further, above-mentioned multicell vacuum retractable safety injector, wherein: described vent is triangle, or is rectangle, or is oval.
Again further, above-mentioned multicell vacuum retractable safety injector, wherein: be provided with black box between described needle assembly and the lip thing, described black box is sealing ring, is provided with the chamfering platform between described needle tubing body front end and the lip thing.
The advantage of technical solutions of the utility model is mainly reflected in: when piston component series was in stuck position, medial compartment allowed air from medial compartment out, allowed air to be introduced in medial compartment.When piston component was positioned over stuck position, a retraction force can produce through vacuum chamber.When stuck position, the far-end piston can start the pin cover, and retraction force can enter into pin cover and needle retractable in the syringe body, thereby avoids reusing of the unexpected thorn of syringe needle and syringe needle.
Description of drawings
The purpose of this utility model, advantage and disadvantage will be for illustration and explanation by the non-limitative illustration of following preferred embodiment.These embodiment only are the prominent examples of using technical solutions of the utility model, and all technical schemes of taking to be equal to replacement or equivalent transformation and forming all drop within the claimed scope of this utility model.
Fig. 1 is the unitary construction schematic diagram of 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 | The needle tubing body | 2 | The lip thing |
| 3 | The pin cover | 4 | |
| 5 | |
6 | |
| 7 | The chamfering platform | 8 | Sealing ring |
| 9 | |
10 | Airtight assembly |
| 11 | |
12 | |
| 13 | |
14 | The |
| 15 | The |
16 | Sealing is connected |
| 17 | The |
18 | |
| 19 | |
20 | |
| 21 | Secondary |
22 | |
| 23 | Upper near- |
24 | The bonding fastener of lower far- |
| 25 | |
26 | The inclined- |
| 27 | |
28 | |
| 29 | |
30 | |
| 31 | The |
32 | The projection pad |
| 33 | Wheel rim | ? | ? |
The specific embodiment
Multicell vacuum retractable safety injector shown in Fig. 1～6, include needle tubing body 1, be provided with piston component in the needle tubing body 1, its special feature is: needle tubing body 1 front end that this utility model adopts is provided with the lip thing 2 of projection, 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.Simultaneously, be provided with container cavity 4 in the lip thing 2, be provided with needle assembly in container cavity 4, the current opening of syringe needle is passed in the extension of needle assembly.One end of the piston component that adopts 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 consist of medial compartment 11 with needle tubing body 1.Consider the air-tightness needs in the actual use procedure, be provided with sealing on the piston component and be connected assembly 16, sealing is connected formation vacuum chamber 12 between assembly 16 and the needle tubing body 1, is convenient to follow-up needle assembly retraction.Certainly, in order to satisfy the air pressure balance in the injection process, be distributed with vent 13 on the needle tubing body 1.And, consider the smooth work of piston component, it includes main shaft 18, main shaft 18 1 ends are provided with the thumb platform, main shaft 18 other ends are connected with stiff shaft 19, and stiff shaft 19 1 ends are provided with sealing and are connected assembly 16, and stiff shaft 19 other ends are provided with the syringe needle shackle member.
With regard to the better embodiment of this utility model one, to consider that the vacuum spaces in the vacuum chamber 12 satisfy the retraction power of needle assembly, and bubble-tight leakage problem can not occur, the needle tubing body 1 of employing is the body of falling the convex character shape, forms a terrace structure.Specifically, the body of falling the convex character shape of employing includes upper end body 14, is communicated with lower end body 15 at upper end body 14.Simultaneously, for the ease of air pressure balance, the pushing piston assembly is distributed with vent 13 at upper end body 14 smoothly.And, satisfying the needs of daily drug administration by injection, the lower end body 15 of employing is fluid chamber.
In order to improve whole fastness, can realize the transition that is connected of upper end body 14 and lower end body 15 simultaneously, be distributed with chamfering platform 7 in the outer end of upper end body 14 and lower end body 15 joining places.Simultaneously, consider carrying out suitable restriction before the piston component, 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.Simultaneously, know the concrete quantity of injected material for the ease of user, be provided with the scale marking layer in fluid chamber.
Further, for entry needle 6 is effectively located, can guide it in follow-up retraction process, to return smoothly needle tubing body 1 simultaneously, adopt needle assembly to include wedge 5.Simultaneously, be connected with entry needle 6 at wedge 5.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 the CONTACT WITH FRICTION mode.The brake assemblies cohesive end relies on the retraction force of hollow with after follow-up shaft assembly contacts, and allows wedge 5 also bounce back.During this period, driving entry needle 6 retracts in the needle tubing body 1 simultaneously.
Simultaneously, consider and the cooperating of follow-up brake assemblies, bounce back fast, the needle assembly end is the brake assemblies cohesive end.Simultaneously, in order to promote whole sealing effectiveness, prevent leaking outside of injecting fluid, be provided with black box between needle assembly and the lip thing 2.And, consider the facility of manufacturing, black box is that sealing ring 8 can reach corresponding effect.
Again further, consider the vacuum environment that the needle assembly retraction needs, satisfy simultaneously the sealing of injected material, can not occur leaking outside, sealing is connected assembly 16 and includes the primary seal boss, is distributed with the main sealing assembly 20 that sealing ring 8 consists of in the primary seal boss.Corresponding is that the syringe needle shackle member that this utility model adopts includes airtight assembly 10, is distributed with secondary black box 21 in the airtight assembly 10, is provided with directing assembly on this airtight assembly 10 with it.
For the ease of being combined with the contact of needle assembly in the reality use, the directing assembly of employing is hollow cylinder 22, is provided with the needle assembly spatial accommodation in hollow cylinder 22.Simultaneously, get loose in order better screens to be carried out in the linking of needle assembly, to be prevented, a side of hollow cylinder 22 is distributed with near-end fastener 23, is distributed with the bonding fastener 24 of lower far-end at the opposite side of hollow cylinder 22.And, for allow the retraction after needle assembly have better angle of inclination, carry out suitable location, prevent accidental release, be distributed with otch 25 in the upper near-end fastener 23, the position distribution of the bonding fastener 24 of far-end has inclined-plane 26 under the needle assembly spatial accommodation correspondence, and secondary black box 21 is sealing ring 8.Consider the heeling condition of consolidating the rear needle assembly of retraction, the work surface of near-end fastener 23 is lower than the work surface of the bonding fastener 24 of lower far-end in the order.
And, be connected with the firm of main shaft 18 in order to be conducive to stiff shaft 19, and unnecessary rocking can not occur, be provided with the linking groove at stiff shaft 19, be provided with the linking boss at main shaft 18, be connected boss and embed in the linking groove.Certainly, considering different processing technique and the needs of application, also can be to be provided with the linking boss at stiff shaft 19, is provided with the linking groove at main shaft 18, can play better result of use equally.
In order to promote result of use, be provided with the ladder assembly in the proximal piston 9 of employing.Specifically, the ladder assembly is divided into end difference 27, low end difference 28 from top to bottom, is provided with lip 29 between upper end difference 27 and low end difference 28.Simultaneously, consider the assurance of follow-up coefficient of friction, be conducive to the braking effect that provides better, the diameter of upper end difference 27 is greater than low end difference 28 diameters.And, in order to have better air-tightness, guarantee that follow-up retraction needs, in upper end difference 27, be provided with main sealing assembly 20, be provided with secondary black box 21 in the low end difference 28.Installation for the ease of other assemblies cooperates, and main sealing assembly 20, secondary black box 21 are provided with coaxial axis hole, are connected with piston component in the axis hole.
Moreover the main sealing assembly 20 of employing includes and covers 30, is provided with brake assemblies in lid 30.For the ease of passing through of piston component, and have certain resistance sense, offer axis hole on the brake assemblies, be provided with projection pad 32 in the brake assemblies.For the needs of fitted seal, the secondary black box 21 that this utility model adopts includes wheel rim 33, is extended with sealed end in wheel rim 33 bottoms.Simultaneously, 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 composition.Like this, can satisfy integrated needs, or the needs of the follow-up assembling of sectional forming.
See further combined with actual making, 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, be provided with chamfering platform 7 between needle tubing body 1 front end and the lip thing 2.
In conjunction with actual operating position of the present utility model, under any circumstance, vent 13 allows in medial compartment 11 pressure is arranged.The 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 this utility model adopts is enough large.Like this, after needle assembly is combined, can produce enough retraction forces at piston component, make needle assembly be received into smoothly in the 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 is to satisfy the requirement of syringe.For example, the internal diameter of lid 30 inner surface can reduce, thereby is able to deflection so that press on the power of projection pad 32 of the outer surface of stiff shaft 19.Simultaneously, owing 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 the stiff shaft 19 also may be different.During operation, when brake assemblies was position in braking, the projection pad 32 of brake assemblies and the frictional force between the stiff shaft 19 were less than brake assemblies and cover frictional force between 30.Like this, brake assemblies can not extruded from covering 30 in whole use procedure, allows brake assemblies be in low end difference 28, has promoted piston component and has been in powder charge position or the stability of stuck position.
Simultaneously, stiff shaft 19 can be under the effect of the projection pad 32 of brake assemblies and is slided.At this moment, piston component is between advanced position and the stuck position, and at this moment, brake assemblies is not extruded from application position, this be since the frictional force of the projection pad 32 of brake assemblies and stiff shaft 19 less than the frictional force of brake assemblies and lid 30.
When brake assemblies was in the off-position, brake assemblies was in the 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 the stiff shaft 19, thereby do not produce the counteractive frictional force of the retraction force that produces with follow-up vacuum chamber 12.
In the off-position, brake assemblies is loose, 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, the user discharges the thumb platform, so piston component is free to retract to retracted position.
Such as Fig. 5, shown in 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, by means of the guiding of otch 25 with inclined-plane 26, can allow needle assembly occur tilting, getting loose can not appear in auxiliary screens.
Can find out by above-mentioned character express, behind employing this utility model, when piston component series was in stuck position, medial compartment allowed air from medial compartment out, allowed air to be introduced in medial compartment.When piston component was positioned over stuck position, a retraction force can produce through vacuum chamber.When stuck position, the far-end piston can start the pin cover, and retraction force can enter into pin cover and needle retractable in the syringe body, thereby avoids reusing of the unexpected thorn of syringe needle and syringe needle.
Claims (10)
1. multicell vacuum retractable safety injector, include the needle tubing body, be provided with piston component in the described needle tubing body, it is characterized in that: described needle tubing body front end is provided with the lip thing of projection, the termination of described lip thing is provided with the pin cover, described pin cover is provided with the current opening of syringe needle, be provided with container cavity in the described lip thing, be provided with needle assembly in the described container cavity, the current opening of syringe needle is passed in the extension of described needle assembly, 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 consist of medial compartment, be provided with sealing on the described piston component and be connected assembly, consist of vacuum chamber between described sealing linking assembly and the needle tubing body, be distributed with vent on the described needle tubing body, described piston component, include main shaft, described main shaft one end is provided with the 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, and the described stiff shaft other end is provided with the syringe needle shackle member.
2. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: described needle tubing body is the body of falling the convex character shape, the described body of falling the convex character shape includes the upper end body, be communicated with the lower end body on the body of described upper end, be distributed with vent on the body of described upper end, described lower end body is fluid chamber, the outer end of described upper end body and lower end body joining place is distributed with the chamfering platform, the inner of described upper end body and lower end body joining place is distributed with the stop bit platform, is provided with the scale marking layer in the described fluid chamber.
3. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: described needle assembly includes wedge, is connected with entry needle on the described wedge, and described wedge and entry needle are provided with the conveyance conduit of conducting.
4. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: described syringe needle shackle member includes airtight assembly, be distributed with secondary black box in the described airtight assembly, be provided with directing assembly on the described airtight assembly, described directing assembly is hollow cylinder, be provided with the needle assembly spatial accommodation in the described hollow cylinder, one side of described hollow cylinder is distributed with the near-end fastener, the opposite side of described hollow cylinder is distributed with the bonding fastener of lower far-end, be distributed with otch in the described upper near-end fastener, the position distribution of the bonding fastener of far-end has the inclined-plane under the described needle assembly spatial accommodation correspondence, and described secondary black box is sealing ring.
5. multicell vacuum retractable safety injector according to claim 4, it 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. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: be provided with the linking groove on the described stiff shaft, be provided with the linking boss on the described main shaft, or, be provided with the linking boss on the described stiff shaft, be provided with the linking groove on the described main shaft, described linking boss embeds and is connected in the groove.
7. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: be provided with the ladder assembly in the described proximal piston, described ladder assembly is divided into end difference, low end difference from top to bottom, be provided with lip between described upper end difference and the low end difference, the diameter of described upper end difference is greater than low end difference diameter, be provided with main sealing assembly in the described upper end difference, be provided with wheel rim in the described low end difference, described main sealing assembly, wheel rim are provided with coaxial axis hole, are connected with piston component in the described axis hole.
8. multicell vacuum retractable safety injector according to claim 7, it is characterized in that: described main sealing assembly includes lid, be provided with brake assemblies in the described lid, offer axis hole on the described brake assemblies, be provided with the projection pad in the described brake assemblies, 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 that forms.
9. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: described vent is triangle, or is rectangle, or is oval.
10. multicell vacuum retractable safety injector according to claim 1, it is characterized in that: be provided with black box between described needle assembly and the lip thing, described black box is sealing ring, is provided with the chamfering platform between described needle tubing body front end and the lip thing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080124 CN203196088U (en) | 2013-02-21 | 2013-02-21 | Vacuum retracting type safety injection syringe with multiple chambers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320080124 CN203196088U (en) | 2013-02-21 | 2013-02-21 | Vacuum retracting type safety injection syringe with multiple chambers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203196088U true CN203196088U (en) | 2013-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320080124 Expired - Fee Related CN203196088U (en) | 2013-02-21 | 2013-02-21 | Vacuum retracting type safety injection syringe with multiple chambers |
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| Country | Link |
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| CN (1) | CN203196088U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103520805A (en) * | 2013-10-17 | 2014-01-22 | 杭州普昂医疗科技有限公司 | Injection device and injection method |
| CN104001235A (en) * | 2013-02-21 | 2014-08-27 | 无锡星创生物技术有限公司 | Multi-chamber vacuum retracted safe injector |
| CN107530500A (en) * | 2015-03-10 | 2018-01-02 | 杰·亨·拉索尔 | Fluid injection system and its method |
-
2013
- 2013-02-21 CN CN 201320080124 patent/CN203196088U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104001235A (en) * | 2013-02-21 | 2014-08-27 | 无锡星创生物技术有限公司 | Multi-chamber vacuum retracted safe injector |
| CN103520805A (en) * | 2013-10-17 | 2014-01-22 | 杭州普昂医疗科技有限公司 | Injection device and injection method |
| CN103520805B (en) * | 2013-10-17 | 2016-04-13 | 普昂(杭州)医疗科技有限公司 | A kind of injection device |
| CN107530500A (en) * | 2015-03-10 | 2018-01-02 | 杰·亨·拉索尔 | Fluid injection system and its method |
| CN107530500B (en) * | 2015-03-10 | 2020-10-30 | 杰·亨·拉索尔 | Fluid injection system and method thereof |
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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: 20130918 Termination date: 20150221 |
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| EXPY | Termination of patent right or utility model |