CN101028548A - Disposable safety syringe - Google Patents
Disposable safety syringe Download PDFInfo
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- CN101028548A CN101028548A CN 200610101210 CN200610101210A CN101028548A CN 101028548 A CN101028548 A CN 101028548A CN 200610101210 CN200610101210 CN 200610101210 CN 200610101210 A CN200610101210 A CN 200610101210A CN 101028548 A CN101028548 A CN 101028548A
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- needle stand
- syringe
- barb
- stand cover
- safety syringe
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Abstract
A high-safety expendable injector is composed of an injection needle, an injection tube, a protecting sleeve at the front end of said injection tube, a tubular push rod in said injection tube and with a sealing rubber ring, a piston, and a push end, a needle holder with a sleeve, a compressed spring plug, and a compressed spring between said plug and needle holder. Said sleeve of needle holder has at least one reverse hook which can be opened outward under the action of external force.
Description
Technical field
The present invention relates to a kind of medical apparatus and instruments, more particularly, use when relating in a kind of medicine and hygiene fields liquid medicine injection and vaccine, when injection finishes, entry needle bounces back in the syringe cylinder automatically, the disposible safety syringe that injection can not re-use after finishing.
Background technology
Disposable sterilized syringe is widely used when liquid medicine injection and vaccine in recent years, for the iatrogenic infectious disease of control, prevent that cross infection etc. from having played more positive effect.But, in use also there is more defective in the disposable sterilized injector that uses at present: the promptly present disposable sterilized injector (comprising injection needle interior) that uses, entry needle after the use exposes and causes the injury from sharp utensil people outside, cause the situation of direct cross infection infectious disease to happen occasionally, after use, still can remain intact simultaneously, this provides convenience for some lawless persons' the recovery of taking advantage of the occasion, promptly cleaning a little with depleted disposable syringe after crossing, sold again after the repacking, cause the cross infection of communicate illness, bring the factor that is absolutely unsafe to the patient, very difficult realization disposable use truly.
Applicant among the present invention once designed the safety injector that a kind of syringe needle can bounce back automatically for this reason, and this safety injector is after having injected medicinal liquid, and injection needle can be retracted into barrel type push bar inside automatically, had to prevent the function that is repeated to use.As shown in Figure 1, include syringe cylinder 5, barrel type push bar 7, sealed rubber ring 6, needle stand 2, injection needle 1, needle stand cover 4, compression spring 8, stage clip thromboembolism 3, piston 9, O RunddichtringO 10, push away end 11 and protective sleeve (not shown).Wherein: syringe cylinder 5 closely is connected with needle stand cover 4 by the fixture 55 of front end, and needle stand cover 4 and stage clip thromboembolism 3 are connected by tight fit, utilizes stage clip thromboembolism 3 will compress spring 8, needle stand 2,10 fixings of O RunddichtringO and overlaps in 4 at needle stand.One end of barrel type push bar 7 directly inserts in the syringe cylinder 5, the other end extends syringe cylinder 5, an end outer rim of wherein inserting syringe cylinder 5 tightly is with sealed rubber ring 6, the inner edge build-in has piston 9, when piston 9 is passed bottom the awl of needle stand 2, the end promotion O RunddichtringO 10 that barrel type push bar inserts in the syringe cylinder makes needle stand 2 disengagings fixing, again the compression spring 8 effect under with needle stand 2 together with injection needle 1, piston 9 counter 7 li of the barrel type push bars that push, barrel type push bar 7 an end that extends syringe cylinder 5 be equipped with push away the end 11.
This disposable syringe has certain hidden danger in use:
(1) only locate between needle stand cover 4 and the needle stand 2, and injection needle 1 can be accepted a counteracting force in the acupuncture treatment process, if this counteracting force is bigger, destroys fixing between needle stand 2 and the needle stand cover 4 easily, causes the acupuncture treatment failure by O RunddichtringO 10;
(2) be stair-stepping tight fit between needle stand cover 4 and the stage clip thromboembolism 3, therefore compressing spring 8 might destroy this connection, stage clip thromboembolism 3 is separated with needle stand cover 4, thereby stage clip thromboembolism 3 and compression spring 8 are flown out, it is convenient inadequately to have certain dangerous and existence installation, reaches problems such as there being hidden danger when installing;
(3) there is not limit function owing to push away end, maloperation takes place when not injection (inject liquid medicine and draw medicinal liquid again in medicine bottle) easily, promptly make the stroke of barrel type push bar 7 excessive easily, thereby make injection needle 1, needle stand 2, piston 9 enter barrel type push bar 7 inside in advance, make syringe lose use value in advance.
Summary of the invention
The object of the present invention is to provide a kind of disposible safety syringe, this syringe can be guaranteed the process safe of having an acupuncture treatment, and prevents effectively that promptly injection needle from destroying fixing between needle stand and the needle stand cover under the effect of counteracting force.
The disposible safety syringe that further provides among the present invention is to realize using safer and easy to assembly, safe problem by the structure of improving needle stand cover and stage clip thromboembolism.
The disposible safety syringe that further provides again among the present invention is by pushing away the improvement of end structure, be not easy to take place maloperation when making it before not injecting, inject medicinal liquid, and after liquid medicine injection finishes, barrel type push bar can't be extracted out from syringe cylinder is inner again, pushes away end when firmly extracting out and disconnects from the frangibility place.
Disposible safety syringe among the present invention includes protective sleeve, injection needle, syringe cylinder, barrel type push bar:
Described protective sleeve directly is enclosed within the front end of syringe cylinder;
The end that described barrel type push bar stretches into described syringe cylinder inside is set with the sealed rubber ring of combining closely with the inwall of syringe cylinder, and be provided with a piston that under the propulsive thrust effect, can bounce back to barrel type push bar inside, the other end stretches out the outside of described syringe cylinder, and is provided with one and pushes away end;
Described injection needle directly is fixed on the needle stand;
The forward end seal of described syringe cylinder is fixed with a needle stand cover, and the front end that overlaps at described needle stand is set with a stage clip thromboembolism, is provided with a stage clip between this stage clip thromboembolism and needle stand, seals by sealing ring between described needle stand and the needle stand cover;
Described needle stand cover is a hollow cylinder, is provided with one at least be used to replace described needle stand and have under external force can open outward barb toward interior at itself and the fixed end of described syringe cylinder.
Described needle stand cover is made by plastic material, and the needle stand cover also can be one-body molded with syringe cylinder.
Described barb includes two or more, and is symmetrical distribution.
At least be provided with one group of barb that can be fastened mutually between described needle stand cover and the stage clip thromboembolism.
Described needle stand is enclosed within its top and is provided with the suitable sheet of at least two plasticity, is provided with barb at the outer peripheral edges top of suitable sheet; Described stage clip thromboembolism include insert the inner insertion section of described needle stand cover and ring be located at the outside, described insertion section can with the fixed location division of described needle stand cover lateral border barb fastener, described insertion section and location division are integrally formed, and are useful on the through hole that places described needle stand and injection needle at described insertion section intermediate formation.
At least being provided with two on the inwall of described location division has the clasp that can hook together with described barb, and is provided with perforate above clasp.
The lateral border that described needle stand is enclosed within its top is equipped with a circle barb; Described stage clip thromboembolism include insert the inner insertion section of described needle stand cover and ring be located at the outside, described insertion section can with the fixed location division of described needle stand cover lateral border barb fastener, described insertion section and location division are integrally formed, and are useful on the through hole that places described needle stand and injection needle at described insertion section intermediate formation.
At least be provided with a suitable sheet on the described location division, be provided with the clasp that can hook together with described barb in suitable sheet inside.
The top of described through hole is provided with the flange that is used to fix described spring toward in.
Described syringe cylinder is fixed with a lock uint at it near an end inwall that pushes away end;
Described barrel type push bar is at itself and the described snap close of holding an end that is connected to be provided with elastically deformable that pushes away;
Described push away end comprise the link that can fixedly connected with described barrel type push bar, press hands with by handle and at least one elasticity limiting component, be provided with a frangibility structure between two disks of the front end of described link, described elasticity limiting component is fixedlyed connected by hands with described.
Described elasticity limiting component position therebetween convexes with a protruding hook, be complementary with this protruding hook, described be provided with on by handle one can with the mutual localized groove hook of protruding hook.
Described lock uint is for fixing the self-locking collar at the syringe cylinder inwall.
Described snap close is one of the forming at the wing of periphery, described barrel type push bar end.
Described snap close comprises two wings that are symmetrical distribution at least.
Disposible safety syringe among the present invention is when liquid medicine injection, by means of being connected between needle stand cover and the needle stand, can effectively resist the counteracting force that injection needle, needle stand are accepted, can not destroy being connected between needle stand and the needle stand cover, thus safer in use.
Disposible safety syringe among the present invention is by the architecture advances to needle stand cover and stage clip thromboembolism in addition, make safer in use, and in convenient and safety of when assembling, and by push rod, push away the improvement of end structure, realized disposable purpose truly.
Description of drawings
Fig. 1 is the cross-sectional schematic of existing disposible safety syringe;
Fig. 2 is the cross-sectional schematic of disposible safety syringe among the present invention;
Fig. 3 is the cross-sectional schematic of disposible safety syringe shown in Fig. 2, the structure when the figure shows piston and contacting with needle stand;
Fig. 4 is the cross-sectional schematic of disposible safety syringe shown in Fig. 2, the figure shows piston, injection needle and needle stand by the anti-structure that pushes in the barrel type push bar;
Fig. 5 is the enlarged diagram of embodiment one after the needle stand cover is assembled with the stage clip thromboembolism among the present invention;
Fig. 6 is the schematic side view of the thromboembolism of stage clip shown in Fig. 3;
Fig. 7 is the schematic top plan view of the thromboembolism of stage clip shown in Fig. 3;
Fig. 8 is the cross-sectional schematic of the cover of needle stand shown in Fig. 3;
Fig. 9 is the schematic top plan view of the cover of needle stand shown in Fig. 6;
Figure 10 is the enlarged diagram of needle stand cover and needle stand among the present invention, stage clip thromboembolism assembling back embodiment two;
Figure 11 is the schematic side view of the thromboembolism of stage clip shown in Figure 10;
Figure 12 is the schematic top plan view of the thromboembolism of stage clip shown in Figure 10;
Figure 13 is the cross-sectional schematic of the thromboembolism of stage clip shown in Figure 12 along the A-A line;
Figure 14 is the cross-sectional schematic of the thromboembolism of stage clip shown in Figure 12 along the B-B line;
Figure 15 is the part cross-sectional schematic of disposible safety syringe among the present invention, the state when the figure shows the elasticity positioning element that pushes away end and entering syringe cylinder;
Figure 16 is the part cross-sectional schematic of disposible safety syringe among the present invention, when the figure shows the elasticity positioning element that pushes away end and entering syringe cylinder and the wing of barrel type push bar replace state when the self-locking collar;
Figure 17 is the cross-sectional schematic that pushes away end among the present invention;
Figure 18 is the schematic side view that pushes away end shown in Figure 17.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment among the present invention is described in further detail.
Embodiment one
As Fig. 2 and shown in Figure 5, the disposible safety syringe among the present invention includes injection needle 20, is used to protect the protective sleeve 21 of injection needle 20, syringe cylinder 22 and barrel type push bar 23.Wherein:
One end of barrel type push bar 23 stretches into syringe cylinder 22 inside, the other end extends the outside of syringe cylinder 22, be provided with one at outside one end that extends syringe cylinder 22 and push away end 24, stretching into the intrinsic sealed rubber ring 25 of an end periphery sealing shroud of syringe cylinder 22 inside, sealing glue ring 25 can move and can prevent the medicinal liquid backflow under the promotion of barrel type push bar 23 and medicinal liquid is being pushed in the injection needle 2 in syringe cylinder 22 inside, be provided with one at the front end bobbin mouth of barrel type push bar 23 and can bounce back to the piston 26 of barrel type push bar 23 inside, and utilize this piston 26 can prevent that medicinal liquid from entering barrel type push bar 23 inside with the retraction of injection needle 20.Because therefore barrel type push bar 23, sealed rubber ring 25 and piston 26 no longer describe in detail for adopting commercially available matured product.
Embodiment two
Disposible safety syringe in the present embodiment be on the basis of disposible safety syringe in embodiment one to the architecture advances of stage clip thromboembolism 28 with needle stand cover 27, make that syringe is safer in use, convenient and safety during assembling.Extremely shown in Figure 9 as Fig. 5, needle stand cover 27 top of hollow round column body therein is provided with the suitable sheet 276 of at least two plasticity, top outer peripheral edges at suitable sheet 276 are provided with barb 275, be provided with flange or the groove 272 that is used for syringe cylinder 22 front end fixtures 220 sealing and fixing in cylindrical middle part outer rim, inner edge is provided with barb 270 in the cylinder bottom, is used for fixing needle stand 31.Stage clip thromboembolism 28 includes and inserts needle stand and overlap the insertion section 280 of 27 inside and ring and be located at 280 outsides, insertion section and can overlap the fixed location division 281 of 27 outer peripheral edges barbs, 275 fasteners with needle stand, at least being provided with two on the inwall of this location division 281 has the clasp 288 that can hook together with barb 275, and is provided with perforate 287 above clasp 288.Insertion section 280 is integrally formed with location division 281, and 280 intermediate formation are useful on the through hole 282 that places needle stand 31 and injection needle 20 in the insertion section, is provided with in the inboard of these through hole 282 front ends to be used for fixing the flange 283 that compresses spring 29.Syringe in the present embodiment overlaps the plastic deformation of the suitable sheet 276 in 27 tops by means of needle stand, under external force certain elastic deformation can take place promptly, the top of needle stand cover 27 is pushed between the location division 281 and insertion section 280 of stage clip thromboembolism 28, and interfix by barb 275 and clasp 288, have firm, safe advantage, and install simple.
Embodiment three
Structure basically identical among disposible safety syringe in the present embodiment and the embodiment two, and all be on the basis of embodiment one to the architecture advances of stage clip thromboembolism 28 with needle stand cover 27, make that syringe is safer in use, convenient and safety during assembling.Extremely shown in Figure 14 as Figure 10, wherein the needle stand cover 27 top outer edge at hollow circular cylinder are equipped with a circle barb 271, be provided with flange or the groove 272 that is used for syringe cylinder 22 front end fixtures 220 sealing and fixing in cylindrical middle part outer rim, inner edge is provided with barb 270 in the cylinder bottom, is used for fixing needle stand 31.Stage clip thromboembolism 28 includes and inserts needle stand and overlap the insertion section 280 of 27 inside and ring and be located at 280 outsides, insertion section and can overlap the fixed location division 281 of 27 lateral border barbs, 271 fasteners with needle stand, insertion section 280 is integrally formed with location division 281, and 280 intermediate formation are useful on the through hole 282 that places needle stand 31 and injection needle 20 in the insertion section, be provided with in the inboard of these through hole 282 front ends and be used for fixing the flange 283 that compresses spring 29, utilize barb 270 on this flange 283 and the needle stand cover 27 can be to compression spring 29, needle stand 31 positions with fixing.286 be provided with three suitable sheets 284 that are 120 degree angular distribution (can be one or more symmetrical distributions that are) by slotting on the location division 281, and this suitable sheet 284 towards the insertion section 280 the integrally formed fastener 285 of a side.When stage clip thromboembolism 28 combines with needle stand cover 27, insertion section 280 is inserted the inside of needle stand cover 27, and the outside of needle stand cover 27 is inserted in location division 281, make by means of the elasticity of suitable sheet 284 that barb 271 fastens mutually on fastener 285 and the needle stand cover 27, have firm, safe advantage, and install very simple.
Embodiment four
Disposible safety syringe in the present embodiment is that the end 24 that pushes away to barrel type push bar 23 ends carries out architecture advances on the basis of disposible safety syringe in embodiment two or embodiment three, and syringe can be wracked after use, is not used again.Extremely shown in Figure 180 as Figure 15, pushing away end 24 includes one and can closely insert link 240, that barrel type push bar 23 extends syringe cylinder 22 1 ends by hands 241, be used for spacing elasticity limiting component 242 by handle 243 and, wherein link 240 can be designed to different structure according to different demands, this link 240 with by handle 243 integrally formed (also can fixedly connected) by other modes.Elasticity limiting component 242 be set in parallel in a side of pressing hands 241 by handle 243, and with to press hands 241 integrally formed.Elasticity limiting component 242 position, a close side by handle 243 therebetween convexes with a protruding hook 2421, corresponding with this protruding hook 2421, be provided with a groove hook 2400 by handle 243, and the front end at link 240 is provided with an easy folded structure 2401 that only connects by point or line, can make along this structure 2401 that fractures that to push away end 24 destroyed under state slightly firmly, and, can guarantee to push away the safe handling of end 24 because this frangibility structure 2401 is located at the front end of link 240.
Fixedly installing (by friction tight mode) on end 24 the end inwall self-locking collar 221 is being arranged near pushing away at syringe cylinder 22, utilize the resistance of the self-locking collar 221 and the barrel type push bar 23 end wings 230, can prevent effectively that barrel type push bar 23 from taking out in syringe cylinder 22, thereby destroy whole syringe, realize disposable purpose.
During disposible safety syringe in using present embodiment, can utilize elasticity positioning element 242 to replace the outside at self-locking collar 221, as shown in Figure 2, to prevent that barrel type push bar 23 directly is pushed into syringe cylinder 22 bottoms, has limit function (when aqueous solvent is injected powder bottle, can prevent barrel type push bar 23 until syringe cylinder 22 bottoms, thereby can not make syringe destroyed, can draw liquid medicine once more and use) because of maloperation.When liquid medicine injection, press compression elasticity limiting component 242 with hands, elasticity limiting component 242 intermediary protruding hooks 2421 are entered in the groove hook 2400 of link, thereby elasticity limiting component 242 enter the gap between syringe cylinder 22 and the barrel type push bar 23, as shown in Figure 8.When barrel type push bar 23 is pushed into the bottom of syringe cylinder 22, the wing 230 of barrel type push bar 23 ends is by means of recovering elastic force, return to original state, and replace in the inboard of self-locking collar 221, as shown in Figure 9, prevent that effectively barrel type push bar 23 is removed, if firmly twitch barrel type push bar 23 and push away end 24, then pushing away end 24 will disconnect along the structure 2401 that fractures, and destroy its original structure, thereby can prevent that syringe is used again, realize disposable use and purpose of safety.
In addition, the elasticity limiting component 242 in the present embodiment can have a plurality of, promptly two or three etc., as long as around press handle 243 settings.And the quantity of the wing 230 of barrel type push bar 23 ends also can change according to different demands.
Embodiment five
Disposible safety syringe in the present embodiment is that the end 24 that pushes away to barrel type push bar 23 ends carries out architecture advances on the basis of disposible safety syringe in embodiment one, and syringe can be wracked after use, is not used again.Because it is identical with the structure described in the embodiment four to push away the architecture advances of end 24, barrel type push bar 23 and syringe cylinder 22, therefore describe in detail no longer separately.
In sum, the disposible safety syringe among the present invention by to needle stand cover, stage clip embolism, push away end, The improvement of barrel type push bar and injection needle tube structure has use advantage safer, easy to assembly, simultaneously Can guarantee that disposable safe uses.
Claims (14)
1. disposible safety syringe includes protective sleeve (21), injection needle (20), syringe cylinder (22), barrel type push bar (23):
Described protective sleeve (21) directly is enclosed within the front end of described syringe cylinder (22);
Described barrel type push bar (23) stretches into the inner end of described syringe cylinder (22) and is set with the sealed rubber ring (25) of combining closely with the inwall of syringe cylinder, and be provided with a piston (26) that under the propulsive thrust effect, can bounce back to barrel type push bar inside at the bobbin mouth, the other end stretches out the outside of described syringe cylinder, and is provided with one and pushes away end (24);
Described injection needle (20) directly is fixed on the needle stand (31);
The forward end seal of described syringe cylinder (22) is fixed with a needle stand cover (27), front end at described needle stand cover is set with a stage clip thromboembolism (28), between this stage clip thromboembolism (28) and needle stand (31), be provided with a stage clip (29), seal by sealing ring (30) between described needle stand (31) and the needle stand cover (27); It is characterized in that:
Described needle stand cover (27) is a hollow cylinder, is provided with one at least and is used to replace described needle stand (31) and under external force can open outward barb (270) toward interior at itself and the fixed end of described syringe cylinder (22).
2. according to the disposible safety syringe described in the claim 1, it is characterized in that: described needle stand cover (27) is made by plastic material.
3. according to the disposible safety syringe described in claim 1 or 2, it is characterized in that: described barb (270) includes two or more, and is symmetrical distribution.
4. according to the disposible safety syringe described in the claim 1, it is characterized in that: be provided with one group of barb that can be fastened mutually at least between described needle stand cover (27) and the stage clip thromboembolism (28).
5. according to the disposible safety syringe described in the claim 4, it is characterized in that: described needle stand cover (27) is provided with the suitable sheet (276) of at least two plasticity at its top, be provided with barb (275) at the outer peripheral edges top of suitable sheet; Described stage clip thromboembolism (28) include insert the inner insertion section (280) of described needle stand cover (27) and ring be located at the outside, described insertion section can with the fixed location division of described needle stand cover (27) lateral border barb (275) fastener (281), described insertion section (280) is integrally formed with location division (281), and is useful on the through hole (282) that places described needle stand and injection needle at described insertion section (280) intermediate formation.
6. according to the disposible safety syringe described in the claim 5, it is characterized in that: be provided with the clasp (288) that two energy and described barb (275) hook together on the inwall of described location division (281) at least, and be provided with perforate (287) in the top of clasp (288).
7. according to the disposible safety syringe described in the claim 4, it is characterized in that: the lateral border of described needle stand cover (27) at its top is equipped with a circle barb (271), described stage clip thromboembolism (28) include insert the inner insertion section (280) of described needle stand cover (27) and ring be located at the outside, described insertion section can with the fixed location division of described needle stand cover (27) lateral border barb (271) fastener (281), described insertion section (280) is integrally formed with location division (281), and is useful on the through hole (282) that places described needle stand and injection needle at described insertion section (280) intermediate formation.
8. according to the safety injector described in the claim 7, it is characterized in that: be provided with a suitable sheet (284) on described location division (281) at least, be provided with the clasp (285) that can hook together with described barb (271) in suitable sheet inside.
9. according to the safety injector described in claim 7 or 8, it is characterized in that: the top of described through hole (282) is provided with the flange (283) that is used to fix described spring toward in.
10. according to the disposible safety syringe described in the claim 1,2,4,5,6,7 or 8, it is characterized in that:
Described syringe cylinder (22) is fixed with a lock uint (221) at it near an end inwall that pushes away end (24);
Described barrel type push bar (23) pushes away the snap close (230) that a end that end (24) is connected is provided with elastically deformable at it with described;
The described end (24) that pushes away comprises the link (240) that can fixedly connected with described barrel type push bar (23), presses hands (241) and presses handle (243) and at least one elasticity limiting component (242), the front end of described link (240) is provided with a frangibility structure (2401), and described elasticity limiting component (242) is fixedlyed connected by hands (241) with described.
11. according to the disposible safety syringe described in the claim 10, it is characterized in that: described elasticity limiting component (242) position therebetween convexes with a protruding hook (2421), be complementary with this protruding hook, described be provided with on by handle (243) one can with the mutual localized groove hook of protruding hook (2400).
12. the disposible safety syringe according to described in the claim 10 is characterized in that: described lock uint (221) is for fixing the self-locking collar at syringe cylinder (22) inwall.
13. the disposible safety syringe according to described in the claim 10 is characterized in that: described snap close (230) is one of the forming at the wing of periphery, described barrel type push bar end.
14. the disposible safety syringe according to described in the claim 13 is characterized in that: described snap close (230) includes two wings that are symmetrical distribution at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101012105A CN100515510C (en) | 2006-07-01 | 2006-07-01 | Disposable safety syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101012105A CN100515510C (en) | 2006-07-01 | 2006-07-01 | Disposable safety syringe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101028548A true CN101028548A (en) | 2007-09-05 |
| CN100515510C CN100515510C (en) | 2009-07-22 |
Family
ID=38714209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101012105A Active CN100515510C (en) | 2006-07-01 | 2006-07-01 | Disposable safety syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100515510C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274114B (en) * | 2008-02-04 | 2010-06-02 | 房东森 | Automatic retraction safety syringe |
| WO2010088845A1 (en) * | 2009-02-08 | 2010-08-12 | 浙江康康医疗器械有限公司 | Disposable safety syringe with automatically retractable needle head |
| 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 |
| CN107569747A (en) * | 2017-09-25 | 2018-01-12 | 南京律智诚专利技术开发有限公司 | A kind of disposable injection device |
-
2006
- 2006-07-01 CN CNB2006101012105A patent/CN100515510C/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101274114B (en) * | 2008-02-04 | 2010-06-02 | 房东森 | Automatic retraction safety syringe |
| WO2010088845A1 (en) * | 2009-02-08 | 2010-08-12 | 浙江康康医疗器械有限公司 | Disposable safety syringe with automatically retractable needle head |
| 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 |
| CN107569747A (en) * | 2017-09-25 | 2018-01-12 | 南京律智诚专利技术开发有限公司 | A kind of disposable injection device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100515510C (en) | 2009-07-22 |
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Denomination of invention: Disposable safety syringe Effective date of registration: 20181011 Granted publication date: 20090722 Pledgee: Agricultural Bank of China Limited by Share Ltd Yuhuan branch Pledgor: Zhejiang Kangkang Medical Equipment Co., Ltd. Registration number: 2018330000307 |