CN201453767U - Disposable safe syringe with syringe needle capable of automatically retracting - Google Patents
Disposable safe syringe with syringe needle capable of automatically retracting Download PDFInfo
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- CN201453767U CN201453767U CN2009200034500U CN200920003450U CN201453767U CN 201453767 U CN201453767 U CN 201453767U CN 2009200034500 U CN2009200034500 U CN 2009200034500U CN 200920003450 U CN200920003450 U CN 200920003450U CN 201453767 U CN201453767 U CN 201453767U
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- syringe
- needle
- intervalve
- medicated cap
- core pipe
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Abstract
The utility model discloses a disposable safe syringe with a syringe needle capable of automatically retracting, relating to the technical field of medical instrument. The disposable safe syringe comprises a syringe needle, an injection syringe and a push rod, wherein the syringe needle comprises a needle tube and a barrel which is hollow and smooth, the needle tube is fixedly inserted on the barrel, and the push rod is inserted into the inner chamber of the injection syringe. The disposable safe syringe also comprises a syringe needle positioning and sealing device and a syringe needle retracting device; and after finishing injection, the syringe needle can automatically retract and conceal. The utility model has reasonable structural design and convenient assembly, is very suitable for automatic assembly of production lines and improves the automation degree and the efficiency of production; the utility model has favorable automatic assembly quality and high qualification rate and does not change the traditional habitual method when being used, has convenient operation and reliable effect; the syringe needle is automatically retracted and concealed after used to protect doctors and patients from needle tip sharp instrument injury as well as bring convenience to realize that the syringe is disposable, thus avoiding haematogenous disease infection, and creating safe and clean health care environment.
Description
Technical field
The present invention relates to technical field of medical instruments, relate in particular to a kind of syringe disposable safe in utilization of automatically retractable needle.
Background technology
When liquid medicine injection and vaccine, use disposable sterilized injector, for the iatrogenic infectious disease of control, prevent that cross infection etc. from having played positive role.But the disposable syringe that uses is because there are many weak points in unreasonable structure at present.Some existing disposable syringes use the back syringe needle exposed outside, very easily cause the injury from sharp utensil people, and exist the hidden danger of direct cross infection, simultaneously, syringe after the use is still intact, this gives taking advantage of the occasion to reclaim and providing convenience of some lawless persons, promptly the in addition reuse again after handling again of depleted syringe after use, so very difficult realization disposable use truly.Also have some syringe construction complicated, assembling is inconvenient, and the product qualified rate in the assembling is not high, is unfavorable for that more streamline assembles production automatically, compares with ordinary syringe, also has bigger difference on use habit.
Summary of the invention
The objective of the invention is to,, propose a kind of syringe disposable safe in utilization of novel automatically retractable needle at the deficiency of above-mentioned disposable syringe.
The objective of the invention is to adopt following technical solution to realize:
A kind of syringe disposable safe in utilization of automatically retractable needle, comprise syringe needle, syringe and push rod, described syringe needle comprises needle tubing and core pipe, described core pipe is the logical core pipe of hollow, and fixedly intercalation is on the core pipe for described needle tubing, and described syringe upper end is the osculum end, the lower end is a big opening end, described push rod inserts the syringe inner chamber from big opening end, it is characterized in that, also comprises syringe needle location sealing device and needle retraction device;
Described syringe needle location sealing device comprises intervalve and buckles medicated cap, described intervalve is the logical core pipe of hollow, its inner chamber is provided with hook and sealing hoop, the outside is provided with intervalve grab and catching groove, described button medicated cap also is the logical cored structure of hollow, and be provided with button medicated cap grab and spacing collar, the core pipe of described syringe needle is inserted in the inner chamber of intervalve, the hook of intervalve is replaced mutually with the bottom of core pipe, and sealing hoop then connects airtight with core pipe periphery, and described intervalve is inserted in the inner chamber of hollow syringe osculum end, syringe is exposed on top, intervalve is interlocked fixing by the buckle in catching groove and the syringe inner chamber, the tube wall of described button medicated cap inserts the intervalve inner chamber, and is coated at the core pipe, the top of core pipe is stretched out by the medicated cap hole and is buckled medicated cap, button medicated cap grab then places the intervalve outside, and the button medicated cap is by buckle the medicated cap grab and the intervalve grab connects and fixes, and the spacing collar of detaining medicated cap compresses the convex platform of core pipe;
Described needle retraction device comprises stage clip, tongue bars and top plug, and in push rod, be provided with recycling cavity, described stage clip is enclosed within outward on the core pipe, and being detained the spacing collar of medicated cap and the lower convex platform of core pipe presses also, described tongue bars is located on the intervalve, be connected as a single entity the upper end open place of described top fork clip plug recycling cavity in push rod with hook.
The syringe disposable safe in utilization of above-mentioned automatically retractable needle, it is characterized in that comprise that also push rod prevents unloading device, described anti-unloading device comprises locking card basket and retaining chuck, described locking card basket fixedly is connected in the inner chamber of hollow syringe lower end, and described retaining chuck is located at the outside, push rod lower end.
The syringe disposable safe in utilization of above-mentioned automatically retractable needle is characterized in that, also comprises safety, and the guard of described safety is fixedly connected on the push rod lower end, and it comprises that the auxiliary catch groove, insurance gib head and the insurance that fixedly are connected as a single entity refer to.
The syringe disposable safe in utilization of above-mentioned automatically retractable needle is characterized in that, also comprises passage, and described passage is located on the push rod.
The syringe disposable safe in utilization of above-mentioned automatically retractable needle is characterized in that, the medicated cap hole of described button medicated cap is provided with the antifriction tooth.
The syringe disposable safe in utilization of above-mentioned automatically retractable needle is characterized in that, described syringe, push rod, core pipe, intervalve, buckles medicated cap, top plug and guard, adopts plastic material.
The syringe disposable safe in utilization of above-mentioned automatically retractable needle is characterized in that, described syringe adopts transparent plastic material.
Reasonable in design of the present invention, easy to assembly, and very being suitable for production line assembles automatically, the automaticity and the efficient of producing have been improved, automatically the quality of assembling is good, qualification rate is high, when using, the present invention do not change traditional traditional approach, operation is convenient, reliable effect, retraction is hiding automatically to make syringe needle after injection is finished, and guarantees that hospitalized patients exempts from the unexpected injury of the needle point of getting dirty, and helps realizing syringe disposable use truly, avoid the propagation of blood borne disease, create the medical environment of health, safety more.
Purpose of the present invention, advantage and characteristics will be further explained by the non-limitative illustration of following drawings and Examples, and these embodiment only provide as an example.
Description of drawings
Fig. 1 is equipped with the syringe sketch map disposable safe in utilization of the automatically retractable needle of protective sleeve for the present invention;
Fig. 2 is the syringe cross-sectional schematic disposable safe in utilization of the embodiment of the invention 1 automatically retractable needle;
Fig. 3 is a needle retractable view after the injector to inject disposable safe in utilization of automatically retractable needle of the present invention is finished;
Fig. 4 is Fig. 2 core pipe, intervalve, button medicated cap and stage clip assembly structure enlarged diagram;
But Fig. 5 is a guard safety position sketch map;
Fig. 6 is an intervalve cross-sectional schematic of the present invention;
Fig. 7 is a button medicated cap cross-sectional schematic of the present invention;
Fig. 8 is Fig. 7 schematic top plan view;
Fig. 9 syringe cross-sectional schematic of the present invention;
Figure 10 is a locking card basket cross-sectional schematic of the present invention;
Figure 11 is push rod of the present invention and guard (push rod is pressed hands) and piston in combination cross-sectional schematic;
Figure 12 is a core pipe cross-sectional schematic of the present invention;
Figure 13 pushes up the plug cross-sectional schematic for the present invention;
In the above accompanying drawing: the 1-syringe; The 101-buckle; The 2-push rod; The 201-recycling cavity; 202-retaining chuck; 203-passage (not marking among the figure); The 3-needle tubing; 4-core pipe; The 401-convex platform; The 402-lower convex platform; The 5-intervalve; The 501-hook; The 502-tongue bars; The 503-sealing hoop; 504-intervalve grab; The 505-catching groove; 6-detains medicated cap; 601-button medicated cap grab; The 602-spacing collar; 603-medicated cap hole; 604-antifriction tooth; The 7-stage clip; 8-pushes up plug; 9-guard (push rod is pressed hands); 901-auxiliary catch groove; 902-insures gib head; The 903-insurance refers to; 10-locking card basket; The 11-piston; The 12-needle protective cap.
The specific embodiment
Embodiment 1:
Syringe disposable safe in utilization such as Fig. 1 of a kind of automatically retractable needle of the present invention, Fig. 2, Fig. 3 and shown in Figure 4, comprise syringe needle, syringe 1 and push rod 2, described syringe needle comprises needle tubing 3 and core pipe 4, described core pipe 4 is the logical core pipe of hollow, its upper end open is an osculum, lower ending opening is big mouthful, the needle tubing 3 of syringe needle adopts prior art to be connected with core pipe 4, needle tubing 3 fixedly intercalation on the core pipe, push rod 2 inserts syringe 1 inner chamber one end periphery and is fixed with piston 11, and push rod 2 inserts its inner chamber from syringe 1 big opening end (lower end), can seal by piston 11, it belongs to prior art, and the present invention does not elaborate.One end of the disposable syringe needle safe in utilization of automatically retractable needle is with needle protective cap 12.
The disposable syringe safe in utilization of the present invention also comprises syringe needle location sealing device, described syringe needle location sealing device comprises intervalve 5 and buckles medicated cap 6, described intervalve 5 is the logical core pipe of hollow, and its inner chamber is provided with hook 501 and sealing hoop 503, and the outside is provided with intervalve grab 504 and catching groove 505.Described button medicated cap 6 main bodys also are the logical core pipe of hollow, and its outside is provided with button medicated cap grab 601 and spacing collar 602.The core pipe 4 of described syringe needle is inserted in the inner chamber of intervalve 5, and the hook 501 of intervalve 5 is replaced mutually with the bottom of core pipe 4, and sealing hoop 503 then connects airtight with core pipe 4 peripheries, seals.Because the sealing hoop 503 of the disposable syringe safe in utilization of automatically retractable needle of the present invention and intervalve 5 design all-in-one-piece members, not only sealing effectiveness is fine, and to making and assembling also very convenient.Described intervalve 5 covers are inserted in the inner chamber of hollow syringe 1 osculum end (upper end), and syringe 1 is exposed on top.Intervalve 5 and fixedly clamping of syringe 1, promptly intervalve 5 fixes fastening by the buckle 101 in its catching groove 505 and syringe 1 inner chamber.The tube wall of described button medicated cap 6 inserts intervalve 5 inner chambers, and be coated at core pipe 4, the top of core pipe 4 is stretched out by medicated cap hole 603 and is buckled medicated cap 6,601 of button medicated cap grabs place intervalve 5 outsides, button medicated cap 6 is by buckleing medicated cap grab 601 and 504 clampings of intervalve grab, button medicated cap 6 is connected and fixed with intervalve 5, and the spacing collar 602 of button medicated cap 6 compress the convex platform 401 of core pipe 4.Syringe needle is subjected to the effects such as convex platform 401 that compress core pipe 4 with spacing collar 602 of replacing of its core pipe 4 bottoms and hook 501, location on injector syringe 1.
The syringe disposable safe in utilization of automatically retractable needle of the present invention also comprises needle retraction device, and described needle retraction device comprises stage clip 7, tongue bars 502 and top plug 8, and is provided with recycling cavity 201 in push rod 2.Described stage clip 7 is enclosed within on the core pipe 4, and is detained the spacing collar 602 of medicated cap 6 outward and the lower convex platform 402 of core pipe 4 is pressed also.Described tongue bars 502 is located on the intervalve 5, is connected as a single entity with hook 501, and the opening of 8 jams recycling cavity 201 upper ends in push rod 2 is filled on described top, and jam is lived its opening.When injecting liquid drug finishes, during push rod 2 upper end pushing and withstanding tongue bars 502, tongue bars 502 elasticity are opened outward, driving hook 501 throws off with the core pipe of being replaced 4, simultaneously, the bottom of last core pipe 4 will be pushed up plug 8 synthlipsis and be fallen after rise in the recycling cavity 201 in the push rod 2, and core pipe 4 is under 402 effect is got out of a predicament or an embarrassing situation in stage clip 7 pushings, also together fall into recycling cavity 201 with stage clip 7, retraction is hiding automatically to realize syringe needle.
In the present embodiment, syringe 1, push rod 2, core pipe 4, intervalve 5, buckle medicated cap 6, top plug 8 and guard 9 and adopt plastic materials to make, wherein syringe 1 is a transparent plastic material.Because the installation between above-mentioned each plastic member of syringe disposable safe in utilization of automatically retractable needle connects the suit clamping form that all adopts, therefore assemble very conveniently, and very being suitable for streamline assembles production automatically.
Embodiment 2:
Present embodiment is similar substantially to embodiment 1, difference is, the syringe disposable safe in utilization of automatically retractable needle of the present invention comprises that also push rod prevents unloading device, described anti-unloading device comprises locking card basket 10 and retaining chuck 202, described locking card basket 10 fixedly is connected in the inner chamber of hollow syringe 1 big opening end, and described retaining chuck 202 is located at the end outside, push rod 2 back (descending).As shown in Figure 3, when pushing push rod 2 liquid medicine injections finished, retaining chuck 202 was by the interior locking card basket 10 that struts, enter locking card basket 10 before (on) portion, make push rod 2 (not descend) backward to draw back.
Present embodiment is similar substantially to embodiment 1, difference is, the syringe disposable safe in utilization of automatically retractable needle of the present invention also comprises safety, the guard 9 of described safety is fixedly connected on push rod 2 lower ends, and it comprises that the auxiliary catch groove 901, insurance gib head 902 and the insurance that fixedly are connected as a single entity refer to 903.Insurance gib head 902 can be thrown off (seeing shown in Figure 1) and hook together (seeing shown in Figure 2) with auxiliary catch groove 901.Guard 9 double as push rods 2 press hands.When but insurance gib head 902 is under the safety position of disengagement with auxiliary catch groove 901, by when the hand propelled push rod 2, insurance refers to that 903 are subjected to replacing of (descending) portion (or locking card basket 10) at the bottom of syringe 1 big opening end, make push rod 2 can not continue to advance, so needle retraction device is started, reaches the purpose that does not allow syringe needle bounce back automatically.As the insurance of pushing plastic material refers to 903 when doing elastic bending, makes insurance gib head 902 be in the state of hooking together with auxiliary catch groove 901, and safety do not play safety effect.
Present embodiment is similar substantially to embodiment 1, as shown in the figure, difference is, the syringe disposable safe in utilization of automatically retractable needle of the present invention also comprises passage 203, described passage 203 be located on the push rod 2 or the guard 9 of fixedlying connected with it on, make in the push rod 2 recycling cavity 201 can with the chamber outside be communicated with and be not air-tight state.
In addition, the medicated cap hole 603 of the described button medicated cap 6 of syringe disposable safe in utilization of automatically retractable needle of the present invention is provided with antifriction tooth 604, when it can reduce core pipe 4 retraction with the frictional force of buckleing medicated cap 6.
The foregoing description is as an illustration example only, is not the qualification that the present invention is done, and the present invention can also adopt other modes, step to implement, and does not do superfluous one by one stating at this.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all belong to the protection domain of requirement of the present invention.
Claims (8)
1. the syringe disposable safe in utilization of an automatically retractable needle, comprise syringe needle, syringe (1) and push rod (2), described syringe needle comprises needle tubing (3) and core pipe (4), fixedly intercalation is on core pipe (4) for the logical core pipe of hollow, described needle tubing (3) for described core pipe (4), and described syringe (1) upper end is the osculum end, the lower end is a big opening end, described push rod (2) inserts syringe (1) inner chamber from big opening end, it is characterized in that, also comprises syringe needle location sealing device and needle retraction device;
Described syringe needle location sealing device comprises intervalve (5) and buckles medicated cap (6), described intervalve (5) is the logical core pipe of hollow, its inner chamber is provided with hook (501) and sealing hoop (503), the outside is provided with intervalve grab (504) and catching groove (505), described button medicated cap (6) also is the logical cored structure of hollow, and be provided with button medicated cap grab (601) and spacing collar (602), the core pipe (4) of described syringe needle is inserted in the inner chamber of intervalve (5), the hook (501) of intervalve (5) is replaced mutually with the bottom of core pipe (4), sealing hoop (503) then connects airtight with core (4) pipe periphery, described intervalve (5) is inserted in the inner chamber of hollow syringe (1) osculum end, syringe (1) is exposed on top, intervalve (5) is interlocked fixing by the buckle (101) in catching groove (505) and syringe (1) inner chamber, the tube wall of described button medicated cap (6) inserts intervalve (5) inner chamber, and be coated at core pipe (4), the top of core pipe (4) is stretched out by medicated cap hole (603) and is buckled medicated cap (6), button medicated cap grab (601) then places intervalve (5) outside, button medicated cap (6) connects and fixes with intervalve grab (504) by buckleing medicated cap grab (601), and the spacing collar (602) of button medicated cap (6) compresses the convex platform (401) of core pipe (4);
Described needle retraction device comprises stage clip (7), tongue bars (502) and top plug (8), and in push rod (2), be provided with recycling cavity (201), be enclosed within outside the described stage clip (7) (4) on the core pipe, and being detained the spacing collar (602) of medicated cap (6) and the lower convex platform (402) of core pipe (4) presses also, described tongue bars (502) is located on the intervalve (5), be connected as a single entity the upper end open place of described top plug (8) jam recycling cavity (201) in push rod (2) with hook (501).
2. the syringe disposable safe in utilization of automatically retractable needle according to claim 1, it is characterized in that, comprise that also push rod prevents unloading device, described anti-unloading device comprises locking card basket (10) and retaining chuck (202), described locking card basket (10) fixedly is connected in the inner chamber of hollow syringe lower end, and described retaining chuck (202) is located at the outside, push rod lower end.
3. the syringe disposable safe in utilization of automatically retractable needle according to claim 1, it is characterized in that, also comprise safety, the guard of described safety (9) is fixedly connected on the push rod lower end, and it comprises that the auxiliary catch groove (901), insurance gib head (902) and the insurance that fixedly are connected as a single entity refer to (903).
4. the syringe disposable safe in utilization of automatically retractable needle according to claim 1 is characterized in that, also comprises passage (203), and described passage (203) is located on the push rod (2).
5. the syringe disposable safe in utilization of automatically retractable needle according to claim 1 is characterized in that, also comprises passage (203), and described passage (203) is located on the guard (9).
6. the syringe disposable safe in utilization of automatically retractable needle according to claim 1 is characterized in that, the medicated cap hole (603) of described button medicated cap (6) is provided with antifriction tooth (604).
7. according to the syringe disposable safe in utilization of claim 1,2,3,4,5 or 6 described automatically retractable needles, it is characterized in that, described syringe (1), push rod (2), core pipe (4), intervalve (5), buckle medicated cap (6), top plug (8) and guard (9), adopt plastic material, adopt plastic material.
8. the syringe disposable safe in utilization of automatically retractable needle according to claim 7 is characterized in that, described syringe (1) adopts transparent plastic material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200034500U CN201453767U (en) | 2009-02-08 | 2009-02-08 | Disposable safe syringe with syringe needle capable of automatically retracting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200034500U CN201453767U (en) | 2009-02-08 | 2009-02-08 | Disposable safe syringe with syringe needle capable of automatically retracting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201453767U true CN201453767U (en) | 2010-05-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200034500U Expired - Lifetime CN201453767U (en) | 2009-02-08 | 2009-02-08 | Disposable safe syringe with syringe needle capable of automatically retracting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201453767U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480511B (en) * | 2009-02-08 | 2011-10-05 | 浙江康康医疗器械有限公司 | Disposable safety syringe with syringe needle capable of automatically retracting |
-
2009
- 2009-02-08 CN CN2009200034500U patent/CN201453767U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101480511B (en) * | 2009-02-08 | 2011-10-05 | 浙江康康医疗器械有限公司 | Disposable safety syringe with syringe needle capable of automatically retracting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100512 Effective date of abandoning: 20090208 |