CN1565660A - Destructible safe injector and and its syringe cylinder - Google Patents
Destructible safe injector and and its syringe cylinder Download PDFInfo
- Publication number
- CN1565660A CN1565660A CN 03148465 CN03148465A CN1565660A CN 1565660 A CN1565660 A CN 1565660A CN 03148465 CN03148465 CN 03148465 CN 03148465 A CN03148465 A CN 03148465A CN 1565660 A CN1565660 A CN 1565660A
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- stack shell
- needle stand
- syringe
- damage type
- needle
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Abstract
The invention discloses a damageable safety injector and a cylinder thereof. It comprises a needle, a needle pedestal, a damaging device, a cap and a push bar. The needle pedestal is connected with the first part of the cylinder by the connecting part to form an integrated structure. The damaging device and cap is of a movable connection with the cylinder. When using injector and needle cylinder, rotates the damaging device to damage the connecting part to separate the needle pedestal destructively from the needle cylinder, pushes the cap to cover the first part of the cylinder and pushes the push bar to destruct the needle.
Description
Technical field
The present invention relates to a kind of destructible safe injector and and its syringe cylinder, particularly utilize a breaking plant to make integrated stack shell and needle stand produce destructive isolating safety injector and syringe thereof.
Background technology
Fig. 1 shows a kind of generalized section of conventional injector 1.Syringe 1 comprises stack shell 12, needle stand 14, syringe needle 16 and push rod 18.After using, syringe needle 16 can be taken off syringe 1.
Fig. 2 shows a kind of generalized section of existing safety injector 2.Safety injector 2 comprises stack shell 22, needle stand 24, elastic ring 26, syringe needle 16 and push rod 28.After safety injector 2 uses, utilize engaging of 24 of push rod 28 and needle stands, needle stand 24 and syringe needle 16 are pulled back to stack shell 22.Because safety injector 2 adopts stack shells 22 and 24 2 formula separate design of needle stand reaching the demand of the needle stand 24 of pulling back, so stack shell 22 and 24 of needle stands have leakage problems and must additionally use the elastic ring 26 of a driving fit in the stack shell inwall on needle stands 24.In other existing safety injector, the driving fit design of elasticity of substitution circle 26 is also arranged, no longer praise at this and state.
Above-mentioned prior art has following shortcoming: 1. can't destroy stack shell and needle stand really, have and reclaim the risk that re-uses; 2. the isolating design of needle stand and stack shell need have extra driving fit design, increases the complexity on making; 3. the safety injector of haulback type still has syringe needle is released the outer danger of stack shell once again when push rod is subjected to external force.
Summary of the invention
An aspect of of the present present invention is to provide a kind of destructible safe injector and and its syringe cylinder, can avoid reclaiming improperly use.
Another aspect of the present invention is to provide a kind of destructible safe injector and and its syringe cylinder, has integrated needle stand and stack shell, and does not need the device or the processing of additional seal.
Another aspect of the present invention is to provide a kind of destructible safe injector and and its syringe cylinder, and it is arranged at stack shell movably to utilize a breaking plant, makes needle stand and stack shell produce destructiveness and separates.
Another aspect of the present invention is to provide a kind of destructible safe injector and and its syringe cylinder, and it is arranged at stack shell one end movably to utilize a lid, and when needle stand separated with stack shell, the opening that hides stack shell was to avoid accidentally injuring user.And utilize promotion push rod change enclosed space that syringe needle is destroyed.
But damage type syringe of the present invention comprises stack shell (body), needle stand (needle seat), breaking plant (destruction device) and lid (cover).Stack shell is for holding an injecting fluid (injection fluid) and having first end and second end.Needle stand is connected with first end of stack shell by a junction (connection part), and needle stand is for the syringe needle (needle hub) of support safety injector.Breaking plant connects first end of stack shell in movable mode.Lid has a peristome (opening part) and a closure (closedpart), and is connected on the breaking plant in movable mode.Peristome exposes first end of stack shell, and allows needle stand to pass through lid.Needle stand has first helicoid (spiral surface), and breaking plant has second helicoid of corresponding first helicoid.Must be noted that at this, be for example though use helicoid in the present embodiment, and do not really want to limit the scope of the invention.Be familiar with this technical staff as can be known, also can use as inclined-plane or curved surface.
After but the damage type syringe uses, utilize the difference in height of second helicoid of breaking plant, when making the rotation breaking plant, can produce an axial thrust first helicoid of needle stand.Since the intensity of connecting portion with respect to the intensity of needle stand a little less than, so when needle stand is subjected to thrust from breaking plant by first helicoid, can make that just connecting portion is destroyed, cause stack shell and needle stand generation destructiveness to be separated.Promote lid, make first end of the closure covering stack shell of lid, used syringe needle and needle stand are taken in to stack shell.
But damage type safety syringe of the present invention comprises syringe needle, stack shell, needle stand, breaking plant, lid and push rod (plunger).Stack shell is for holding an injecting fluid and having first end and second end.Needle stand is connected with first end of stack shell by connecting portion, and needle stand is for the support syringe needle.Push rod is arranged at stack shell inside, and moves axially along stack shell by second end of this stack shell, for driving (drive) this injecting fluid.Breaking plant connects first end of stack shell in movable mode.Stack shell and needle stand are formed in one.Lid has a peristome and a closure, and is connected on the breaking plant in movable mode.Peristome exposes first end of stack shell, and allows syringe needle and needle stand to pass through lid.
But the relativeness of stack shell, needle stand, breaking plant and lid and occupation mode are as the damage type syringe of previous embodiment, utilizing breaking plant to make stack shell and needle stand produce destructiveness separates, and promote first end that lid makes closure covering stack shell, do not repeat them here.But the damage type safety syringe can further destroy the syringe needle after the use.When stack shell and needle stand produced destructiveness and separate, second end that push rod is pushed into stack shell to be to form an accommodation space, and promoting first end that lid hides stack shell can take in used syringe needle to stack shell.Further promote push rod, extruding needle stand and syringe needle.Since the covering of lid with promote push rod and change enclosed space, make syringe needle produce distortion and damage.
Description of drawings
Fig. 1 is a kind of generalized section of existing syringe;
Fig. 2 is a kind of generalized section of existing safety injector;
But Fig. 3 is a kind of generalized section of the damage type syringe according to the specific embodiment of the invention;
But Fig. 4 is the exploded view of the damage type syringe among Fig. 3;
Fig. 5 A is the relativeness sketch map between breaking plant, needle stand and stack shell;
Fig. 5 B is the three-dimensional cutaway view of breaking plant, needle stand and stack shell combination;
Fig. 6 A is that needle stand and stack shell produce destructive isolating sketch map;
Fig. 6 B is that needle stand and stack shell produce destructive isolating three-dimensional cutaway view;
Fig. 7 hides the sketch map of stack shell first end for lid;
But Fig. 8 is the exploded view of another kind according to the damage type safety syringe of the specific embodiment of the invention; And
Fig. 9 is for destroying the sketch map of syringe needle.
The specific embodiment
But Fig. 3 shows a kind of generalized section of the damage type syringe 3 according to the specific embodiment of the invention, is used for a safety injector.But damage type syringe 3 comprises stack shell 32, needle stand 34, breaking plant 38 and lid 40.Stack shell 32 is for holding an injecting fluid (not shown), and stack shell 32 also has first end 321 and second end 322.Needle stand 34 is connected with first end 321 of stack shell 32 by connecting portion 36.Breaking plant 38 connects first end 321 of stack shell 32 in movable mode.Stack shell 32 is formed in one with needle stand 34, and available any existing mode manufacturing, for example uses the method for injection mo(u)lding to make integrated stack shell 32 and needle stand 34.Stack shell 32 and needle stand 34 are made in integrated mode, not only can be simplified manufacture, reduce the cost of making, in addition, injecting fluid does not also have leakage problems and the elastic ring that need re-use a driving fit is assembled between stack shell 32 and the needle stand 34.Lid 40 has a peristome 42 and a closure 44, and is connected on the breaking plant 38 in movable mode.Peristome 42 exposes first end 321 of stack shell 32, and allows needle stand 34 by lid 40.
But Fig. 4 is the exploded view of damage type syringe 3 shown in Figure 3, and needle stand 34 is by the opening 46 of breaking plant 38 and the peristome 42 of lid 40, with support syringe needle 16.The injecting fluid that stack shell 32 is held flow to syringe needle 16 via the opening 48 of needle stand 34, to be injected to by injection target (not icon).Breaking plant 38 is used to destroy the connecting portion 36 (being shown in Fig. 3) of 34 of stack shell 32 and needle stands, for example cam knob (cam knob).
But Fig. 5 A and Fig. 5 B have further described the assembling mode of 38 of the stack shell 32, needle stand 34 of damage type syringe 3 shown in Figure 3 and breaking plants.First end 321 of stack shell 32 has first holding section 52, and breaking plant 38 has one second holding section 54.Breaking plant 38 engages with first holding section 52 of stack shell 32 by second holding section 54, forms a rotating connection.First holding section 52 can any existing technology engage with second holding section 54, as trip or trip.Needle stand 34 has first helicoid 56, and breaking plant 38 has second helicoid 58 of corresponding first helicoid.Three groups of helicoids among Fig. 5 A only are that a representative embodiment leaves no choice but limit its scope, and in the practical application, each can use one or organize helicoid first helicoid 52 and second helicoid 54 more.With reference to figure 5B, 38 of lid 40 and breaking plants can form a movable mode by any existing technology and connect, the trip shown in zone 60.
Fig. 6 A and Fig. 6 B are that breaking plant 38 effects make stack shell 32 and needle stand 34 produce destructive isolating sketch map.After but damage type syringe 3 uses, but utilize breaking plant 38 that damage type syringe 3 is destroyed, can avoid being reclaimed undeservedly re-using.Because the difference in height of second helicoid 58 of breaking plant 38 when making rotation breaking plant 38, can produce an axial thrust to first helicoid 56 of needle stand 34.Since the intensity of connecting portion 36 with respect to the intensity of needle stand 34 a little less than, so when needle stand 34 is subjected to thrust from breaking plant 38 by first helicoid 56, can make that just connecting portion 36 is destroyed, cause stack shell 32 to separate with needle stand 34 generation destructivenesses.By breaking plant 38, but damage type syringe 3 after use, but user can just can destroy damage type syringe 3 via simple action.Moreover, owing to stack shell 32 separates for destructiveness with needle stand 34, but can avoid damage type syringe 3 to be re-used by improper recovery.
When stack shell 32 wrecks with needle stand 34 and when producing destructiveness and separating, promotes lid 40, make the closure 44 of lid 40 hide first end 321 of stack shells 32.The move mode of lid 40 can use any existing technology, for example uses slide rail to make lid 40 slide into the position that closure 44 can hide stack shell 32, as shown in Figure 7.In addition, though present embodiment uses a lid 40 that comprises peristome 42 and closure 44, being familiar with this technology personage also can expect or learn through reasoning easily, also can use the lid (not shown) that comprises a closure to be arranged at first end 321 of stack shell 32 rotationally, hide first end 321 of stack shell 32 via rotation.Use lid 40 to hide first end 321 of stack shell 32, whether user was used from picking out syringe 3 in appearance at once.Also used syringe needle 16 can be taken in to stack shell 32 with needle stand 34 in addition, be avoided accidentally injuring accidentally user.
But Fig. 8 shows the exploded view of another kind according to the damage type safety syringe 8 of the specific embodiment of the invention.But damage type safety syringe 8 comprises syringe needle 16, stack shell 32, needle stand 34, breaking plant 38, lid 40 and push rod 88.Stack shell 32 is for holding an injecting fluid (not shown), and stack shell 32 also has first end 321 and second end 322.Needle stand 34 is connected with first end 321 of stack shell 32 by connecting portion 36, and needle stand 34 is for support syringe needle 16.Push rod 88 is arranged at stack shell 32 inside, and is moved axially along stack shell by second end 322 of stack shell 32, for driving this injecting fluid.Breaking plant 38 connects first end 321 of stack shell 32 in movable mode.Stack shell 32 is formed in one with needle stand 34, and available any existing mode manufacturing, for example uses the method for injection mo(u)lding to make integrated stack shell 32 and needle stand 34.Stack shell 32 and needle stand 34 are made in integrated mode, not only can simplify manufacture, reduce the cost of making, in addition, injecting fluid does not also have leakage problems and need re-use extra driving fit and handle, and is assembled between stack shell 32 and the needle stand 34 as the elastic ring of driving fit.Lid 40 has a peristome 42 and a closure 44, and is connected on the breaking plant 38 in movable mode.Peristome 42 exposes first end 321 of stack shell 32, and allows syringe needle 16 and needle stand 34 to pass through lid 40.
But the relativeness of stack shell 32, needle stand 34, breaking plant 38 and lid 40 and occupation mode are as the damage type syringe 3 of previous embodiment, utilizing breaking plant 38 to make stack shell 32 produce destructiveness with needle stand 34 separates, and promote first end 321 that lid 40 makes closure 44 covering stack shells 32, do not repeat them here.
But Fig. 9 shows damage type safety syringe 8 and further destroys the sketch map of syringe needle 16.Separate when stack shell 32 produces destructiveness with needle stand 34, used syringe needle 16 can be taken in to stack shell 32, avoid accidentally injuring accidentally user.When promotion lid 40 makes closure 44 hide first end 321 of stack shells 32, further promote push rod 88, extruding needle stand 34 and syringe needle 16.Because the closure 44 of lid 40 hides first end 321 of stack shells 32, when the thrust that is subjected to push rod 88 when syringe needle 16 was pushed, syringe needle 16 just produced and is out of shape and damages.Because stack shell 32 separates for destructiveness with needle stand 34, and syringe needle 16 is also because of deformation damages, but can avoid damage type syringe 3 to be re-used by improper recovery.In addition, use lid 40 to hide first end 321 of stack shell 32, can make user whether use from picking out syringe 3 in appearance at once.
Disclosed the present invention in conjunction with above embodiment, yet the technology of the present invention still can there be many modifications and variation.Therefore, the present invention is not limited to the description of above specific embodiment, and claim of the present invention should comprise all, and this type of is revised and variation, with real spirit according to the invention of energy and scope.
Claims (17)
1. but a damage type syringe (barrel) is used for a safety injector (syringe), and it comprises:
One stack shell (body), for holding an injecting fluid (injection fluid), this stack shell has one first end and one second end;
One needle stand (needle seat) is connected with first end of this stack shell by a junction; And
One breaking plant (destruction device) connects first end of this stack shell in movable mode;
Wherein, in response to the action of a user, this breaking plant destroys this connecting portion makes this needle stand become destructiveness to separate with this stack shell.
2. but damage type syringe as claimed in claim 1, wherein this stack shell and this needle stand are formed in one.
3. but damage type syringe as claimed in claim 1, wherein this breaking plant is first end that a cam knob (cam knob) is sticked in this stack shell rotationally.
4. but damage type syringe as claimed in claim 3, wherein this needle stand also comprises one first helicoid, and this cam knob also comprises one second helicoid that should first helicoid.
5. but damage type syringe as claimed in claim 4, wherein the action of this user comprises that this cam knob of rotation makes this second helicoid force in this first helicoid, makes this needle stand separate with this stack shell to destroy this connecting portion.
6. but damage type syringe as claimed in claim 3, wherein this needle stand also comprises a plurality of first helicoids, and this cam knob also comprises a plurality of second helicoids to these a plurality of first helicoids, and the action of this user comprises that this cam knob of rotation makes these a plurality of second helicoids force in this a plurality of first helicoids, makes this needle stand separate with this stack shell to destroy this connecting portion.
7. but damage type syringe as claimed in claim 1 comprises that also a lid (cover) is arranged at first end of this stack shell, when this needle stand with after this stack shell separates, promote this lid and make this lid cover first end of this stack shell.
8. but damage type syringe as claimed in claim 7, wherein this lid also comprises a peristome (opening part) and a closure (closed part), at this needle stand with before this stack shell separates, this peristome exposes first end of this stack shell, and when this needle stand separates with this stack shell, promote this lid and make this closure cover first end of this stack shell.
9. but damage type safety syringe comprises:
One syringe needle;
One syringe comprises a stack shell, a needle stand and a breaking plant;
This stack shell supplies to hold an injecting fluid, and has one first end and one second end;
This needle stand is connected with first end of this stack shell by a junction, and this needle stand is for this syringe needle of support;
This breaking plant connects first end of this stack shell in movable mode; And
One push rod (plunger) can be arranged at this stack shell inside along stack shell with moving axially, and passes in and out by second end of this stack shell, for driving (drive) this injecting fluid;
Wherein, in response to the action of a user, this breaking plant destroys this connecting portion, makes this needle stand become destructiveness to separate with this stack shell.
10. but damage type safety syringe as claimed in claim 9, wherein this stack shell and this needle stand are formed in one.
But 11. damage type safety syringe as claimed in claim 9, wherein this breaking plant is first end that a cam knob is sticked in this stack shell rotationally.
But 12. damage type safety syringe as claimed in claim 11, wherein this needle stand also comprises one first helicoid, and this cam knob also comprises one second helicoid that should first helicoid.
But 13. damage type safety syringe as claimed in claim 12, wherein the action of this user comprises this cam knob of rotation, makes this second helicoid force in this first helicoid, to destroy this connecting portion this needle stand is separated with this stack shell.
14. but damage type safety syringe as claimed in claim 11, wherein this needle stand also comprises a plurality of first helicoids, and this cam knob also comprises a plurality of second helicoids that should a plurality of first helicoids, and the action of this user comprises that this cam knob of rotation makes these a plurality of second helicoids force in this a plurality of first helicoids, makes this needle stand separate with this stack shell to destroy this connecting portion.
15. but damage type safety syringe as claimed in claim 9 comprises that also a lid is arranged at first end of this stack shell, when this needle stand with after this stack shell separates, promote this lid and make this lid cover first end of this stack shell.
16. but damage type safety syringe as claimed in claim 15, wherein this lid also comprises a peristome and a closure, at this needle stand with before this stack shell separates, this peristome exposes first end of this stack shell, and when this needle stand separates with this stack shell, promote this lid and make this closure cover first end of this stack shell.
17. but damage type safety syringe as claimed in claim 15 wherein when this lid covers first end of this stack shell, in response to the action of this push rod, promotes this needle stand to destroy this syringe needle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03148465 CN1565660A (en) | 2003-06-30 | 2003-06-30 | Destructible safe injector and and its syringe cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 03148465 CN1565660A (en) | 2003-06-30 | 2003-06-30 | Destructible safe injector and and its syringe cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1565660A true CN1565660A (en) | 2005-01-19 |
Family
ID=34472287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 03148465 Pending CN1565660A (en) | 2003-06-30 | 2003-06-30 | Destructible safe injector and and its syringe cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1565660A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103330975A (en) * | 2013-07-17 | 2013-10-02 | 魏颖德 | Simple safe auto-disable syringe |
| CN108697584A (en) * | 2015-12-23 | 2018-10-23 | 苏尔寿混合技术有限公司 | Escaper |
| CN110237357A (en) * | 2019-06-06 | 2019-09-17 | 陈宥里 | A kind of anti-stabbed syringe |
| WO2022224517A1 (en) * | 2021-04-23 | 2022-10-27 | ソニーグループ株式会社 | Protective cover, injection implement, and hypodermic needle setting method |
-
2003
- 2003-06-30 CN CN 03148465 patent/CN1565660A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103330975A (en) * | 2013-07-17 | 2013-10-02 | 魏颖德 | Simple safe auto-disable syringe |
| WO2015007020A1 (en) * | 2013-07-17 | 2015-01-22 | Wei Yingde | Simple and safe self-destructive syringe |
| CN103330975B (en) * | 2013-07-17 | 2015-08-05 | 魏颖德 | A kind of Simple safe auto-disable syringe |
| CN108697584A (en) * | 2015-12-23 | 2018-10-23 | 苏尔寿混合技术有限公司 | Escaper |
| CN110237357A (en) * | 2019-06-06 | 2019-09-17 | 陈宥里 | A kind of anti-stabbed syringe |
| WO2022224517A1 (en) * | 2021-04-23 | 2022-10-27 | ソニーグループ株式会社 | Protective cover, injection implement, and hypodermic needle setting method |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
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