CN206652057U - Needle guard and syringe - Google Patents
Needle guard and syringe Download PDFInfo
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- CN206652057U CN206652057U CN201621414244.5U CN201621414244U CN206652057U CN 206652057 U CN206652057 U CN 206652057U CN 201621414244 U CN201621414244 U CN 201621414244U CN 206652057 U CN206652057 U CN 206652057U
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- syringe
- needle
- needle hub
- injection part
- hub
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Abstract
The utility model provides a kind of needle guard and syringe, is related to the technical field of medical instruments, including needle hub；Needle hub both ends open, the outside of the syringe needle for being enclosed on syringe, needle hub is used to connect on the injector, and can be moved along the length direction of syringe needle relative to syringe needle.Needle guard provided by the utility model, one end connection of needle hub have pre-determined distance, as syringe needle is moved back to the predetermined depth of needle hub on the injector between the other end and the dispensing end of syringe needle.In use, syringe needle first removes one end of needle hub, and human skin is pierced through, needle hub pierces through skin therewith.After predetermined depth is pierced into, user moves needle hub to needle injection extreme direction, and needle hub is wrapped in syringe needle inside it.When needle hub is located at end thereof contacts in human body skin in nerve surface, user stops mobile needle hub, avoids needle contact human nerve surface, then by the dispensing end of syringe needle to neural surface administration.
Description
Technical field
Technical field of medical instrument is the utility model is related to, more particularly, to a kind of needle guard and syringe.
Background technology
Syringe is a kind of common medical instruments, and it is patient injection to be medically used for, and can be under intravenous injection, skin
Injection, intraperitoneal injection or aspirating drug use etc..Injector syringe can be that plastics can also be made of glass, and
Generally there is the graduation indication for representing liquid volume in syringe above.Glass syringe can be disappeared with autoclave
Poison, the but because processing cost of plastic injector is relatively low, modern medical service syringe majority be it is made of plastic, this
Further reduce the risk of blood born diseases.Syringe needle is the hollow metal pin that syringe head end can be loaded and unloaded freely.In order to pacify
For the sake of full health, disposable aspiration needle use should abandon later, not reproducible use.
At present, when user is needed to being administered around inside of human body nerve, the needle point of syringe needle is possible to touch
To intrinsic nerve, because it is very sharp, it is possible that nerve can be stabbed.
Utility model content
The purpose of this utility model is to provide a kind of needle guard and syringe, to solve syringe present in prior art
The needle point of syringe needle is possible to stab the technical problem of nerve.
Needle guard provided by the utility model, including needle hub；Needle hub both ends open, for being enclosed on the pin of syringe
The outside of head, needle hub is used to connect on the injector, and can be moved along the length direction of syringe needle relative to syringe needle.
Further, the first scale strip is provided with needle hub.
Further, warning line is provided with needle hub；Warning line is used to prompt whether syringe needle removes needle hub
The opening of one end.
Further, the utility model also provides a kind of syringe, including syringe needle, injection part and needle guard；The one of syringe needle
End connects with one end of injection part；Needle hub is enclosed on the outside of syringe needle, and needle hub is connected with injection part, the pinhead sleeve
Cylinder can move along the length direction of syringe needle relative to syringe needle.
Further, syringe also includes connecting portion；Needle hub is connected by connecting portion with injection part, and needle hub
It can be relatively moved with injection part.
Further, connecting portion is the hollow housing of one end open；Internal thread is provided with the inwall of connecting portion；Injection part
Outer wall on, along the length direction of injection part, be provided with the external screw thread with screw-internal thread fit.
Further, syringe also includes fixed structure；Fixed structure is arranged on injection part close to externally threaded one end, Gu
Determine structure to be used to connecting portion being fastened on injection part.
Further, fixed structure includes bolt；The screwed hole coordinated with bolt is provided with connecting portion；Bolt is located in
In screwed hole, and bolt abuts with injection part, to apply active force to injection part.
Further, injection part includes syringe and connecting cylinder；One end of connecting cylinder connects with syringe needle, and the other end connects with syringe
It is logical；Needle hub is connected by connecting portion with connecting cylinder；Anti-skid structure is provided with the outer wall of syringe；Anti-skid structure is used to increase
Frictional force between the outer wall and human hands of syringe.
Further, injection part also includes the plunger being arranged in syringe；Set on the inwall of the one end of syringe away from syringe needle
It is equipped with limited block：Limited block is used to prevent plunger from extracting from syringe.
Needle guard provided by the utility model, the both ends open of needle hub, it is enclosed on the outside of syringe needle, needle hub
One end connection on the injector, there is pre-determined distance, as syringe needle is moved back to pinhead sleeve between the other end and the dispensing end of syringe needle
The predetermined depth of cylinder.During use, syringe needle first removes one end of needle hub, and pierces through human skin, needle hub
Skin is pierced through therewith.After predetermined depth is pierced into, user moves needle hub relative to syringe needle so that needle hub is to syringe needle
Extreme direction movement is injected, needle hub is wrapped in syringe needle inside it.When needle hub is located at the end thereof contacts in human body skin
In nerve surface, user stops mobile needle hub, now, because syringe needle does not continue to move to, syringe needle and needle hub should
End has certain distance, so as to avoid needle contact human nerve surface, is then given by the dispensing end of syringe needle to nerve surface
Medicine.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation for the syringe that the utility model embodiment provides；
Fig. 2 is the sectional view for the syringe that the utility model embodiment provides；
Fig. 3 is the structural representation of the needle hub that the utility model embodiment provides and connecting portion；
Fig. 4 is the structural representation for the syringe that another embodiment of the utility model provides；
Fig. 5 is the structural representation for the syringe that the another embodiment of the utility model provides.
Icon：1- needle hubs；2- is open；3- syringes；The scale strips of 4- first；5- warning lines；6- syringe needles；7- is injected
Portion；8- connecting portions；9- fixed structures；61- is identified；62- imbibing holes；71- external screw threads；72- syringes；73- connecting cylinders；74- plungers；
75- limited blocks；76- push rods；81- internal threads；82- screwed holes；91- bolts；721- anti-skid structures；The scale strips of 722- second；
723- collars.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
, it is necessary to which explanation, unless otherwise clearly defined and limited, term " are pacified in description of the present utility model
Dress ", " connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integratedly
Connection；Can be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in the utility model.
Fig. 1 is the structural representation for the syringe that the utility model embodiment provides, and Fig. 2 carries for the utility model embodiment
The sectional view of the syringe of confession, as depicted in figs. 1 and 2, the needle guard that the present embodiment provides, including needle hub 1；Needle hub 1
Both ends open, the outside of the syringe needle 6 for being enclosed on syringe 3, needle hub 1 are used to be connected to syringe 3, and can be along pin
First 6 length direction moves relative to syringe needle 6.
Wherein, the inner hollow of needle hub 1, its internal diameter should be greater than the diameter of syringe needle 6.
Further, the structure of needle hub 1 can be it is a variety of, such as：Cylinder, cone or cuboid etc..
Further, length of the needle hub 1 along the direction of syringe needle 6 should be less than the length of syringe needle 6, so that syringe needle 6 can be from
Removed at the one end open 2 of needle hub 1.
Further, the material of needle hub 1 can be it is a variety of, such as：Plastics or glass etc., it is preferred that using
Plastics are made, and the processing cost of plastics is relatively low, can further reduce the risk of blood born diseases.
The needle guard that the present embodiment provides, the both ends open of needle hub 1, it is enclosed on the outside of the syringe needle 6 of syringe 3, pinhead sleeve
One end of cylinder 1 is connected on syringe 3, has pre-determined distance between the dispensing end of the other end and syringe needle 6, as syringe needle 6 penetrates
The predetermined depth of human body.During use, syringe needle 6 first removes one end of needle hub 1, and pierces through human skin, syringe needle
Sleeve 1 pierces through skin therewith.After predetermined depth is pierced into, user moves needle hub 1 relative to syringe needle 6 so that pinhead sleeve
Cylinder 1 injects extreme direction movement to syringe needle 6, and needle hub 1 is wrapped in syringe needle 6 inside it.When needle hub 1 is located at human body skin
For interior end thereof contacts in nerve surface, user stops mobile needle hub 1, now, because syringe needle 6 does not continue to move to, syringe needle 6
There is certain distance with the end of needle hub 1, so as to avoid syringe needle 6 from contacting human nerve surface, then pass through the note of syringe needle 6
End is penetrated to neural surface administration.
Fig. 3 is the structural representation of the needle hub that the utility model embodiment provides and connecting portion, and Fig. 4 is that this practicality is new
The structural representation for the syringe that another embodiment of type provides, as shown in Figure 3 and Figure 4, on the basis of above-described embodiment, enters one
Step, the first scale strip 4 is provided with needle hub 1.
Wherein, the first scale strip 4 should be using millimeter as least unit.
Further, the first scale strip 4 can be printed directly in needle hub 1, or external structure is pasted onto pinhead sleeve
On the outer wall of cylinder 1.
Further, mark 61 is may be provided with syringe needle 6, by the corresponding numerical value on the first scale strip 4 of mark 61 come
Judge that syringe needle 6 removes the distance of the one end open 2 of needle hub 1.
Further, the mark 61 on syringe needle 6 can be lines or point with conspicuous color etc..
In the present embodiment, the first scale strip 4 is arranged in needle hub 1, in use, right by observing syringe needle 6
Should in the numerical value position on the first scale strip 4, can be judged with convenient use person syringe needle 6 remove the one end open 2 of needle hub 1 away from
From, so can more be accurately controlled syringe needle 6 be pierced into tissue depth.
As shown in Figure 3 and Figure 4, on the basis of above-described embodiment, further, warning line is provided with needle hub 1
5；Warning line 5 is used for the opening 2 of the one end for prompting syringe needle 6 whether to remove needle hub 1.
Wherein, warning line 5 should carry conspicuous color, be enclosed it is preferred that warning line 5 should surround needle hub 1 one, convenient use
Person can observe whether syringe needle 6 removes the opening 2 of one end of needle hub 1 in all angles.
Further, warning line 5 may be provided on the inwall or outer wall of needle hub 1, it is preferred that being arranged on pinhead sleeve
On the inwall of cylinder 1, in order to avoid caused breakage by external world's friction.
Further, mark 61 is may be provided with syringe needle 6, during syringe needle 6 is removed, when mark 61 is close to warning
Line 5, then show that syringe needle 6 will remove the opening 2 of one end of needle hub 1.
In the present embodiment, warning line 5 is arranged in needle hub 1, and in use, user can observe syringe needle 6
Change with the relative position of warning line 5, judge whether syringe needle 6 removes the opening 2 of one end of needle hub 1 with this.
As shown in Figure 1, Figure 2 and Figure 4, on the basis of above-described embodiment, further, the present embodiment also provides a kind of note
Emitter 3, including syringe needle 6, injection part 7 and needle guard as described above；One end of syringe needle 6 connects with one end of injection part 7；Syringe needle
Sleeve 1 is enclosed on the outside of syringe needle 6, and needle hub 1 is connected with injection part 7, and needle hub 1 can be along the length direction of syringe needle 6
Moved relative to syringe needle 6.
Wherein, syringe needle 6 should be hollow metal pin, and its one end away from injection part 7 should be provided with imbibing hole 62, and syringe needle 6 is logical
Imbibing hole 62 is crossed to draw liquid into or outpour.Further, syringe 3 includes needle cap, and one end and the injection part 7 of needle cap connect
Connect, it is provided with opening close to one end of injection part 7.Needle cap is enclosed on the outside of needle hub 1, for protecting the He of needle hub 1
Syringe needle 6.
Further, spacing preiection is also provided with injection part 7, spacing preiection should be arranged on injection part 7 close to syringe needle 6
On the outer wall of one end, the junction of needle cap and injection part 7.When needle cap is enclosed on the outside of needle hub 1, can be used for blocking pin
Cap, prevent it from coming off.
Further, injection part 7 can include syringe 72, connecting cylinder 73, plunger 74 and push rod 76 etc..Connecting cylinder 73
One end connected with syringe needle 6, and be connected with needle hub 1, the other end connects with syringe 72.The inner hollow of syringe 72, plunger 74
It is arranged on the inside of syringe 72.The one side of plunger 74 is connected with push rod 76.In use, user can by promote or
Plunger 74 is extracted out to realize the injection of liquid and suction, connecting cylinder 73 can be used for the position of fixed needle 6, prevent syringe needle 6 from shaking
It is dynamic, ensure the safety of patient.
In the present embodiment, one end of syringe needle 6 connects with one end of injection part 7；Needle hub 1 is enclosed on the outside of syringe needle 6, and
Needle hub 1 is connected with injection part 7.In use, there is pre-determined distance between the dispensing end of needle hub 1 and syringe needle 6,
As syringe needle 6 penetrates the predetermined depth of human body, and when syringe needle 6 is pierced into predetermined depth, needle hub 1 is close to human body skin, syringe needle
Sleeve 1 stops that syringe needle 6 continues to be pierced into human body, so that syringe needle 6 stops after predetermined depth is pierced into.User passes through syringe needle 6
It can be extracted to tissue or injecting fluid, needle hub 1 can ensure that the piercing depth of syringe needle 6 immobilizes, injection part 7 can
Store liquid.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, syringe 3 also includes connecting portion 8；Pin
Headgear cylinder 1 is connected by connecting portion 8 with injection part 7, and needle hub 1 and injection part 7 can relatively move.
Wherein, the material of connecting portion 8 can be it is a variety of, such as：Plastics or glass etc..
Further, the connected mode between needle hub 1 and injection part 7 can be a variety of, for example, connecting portion 8 can be with
For the hollow housing that can be stretched, the one end open of connecting portion 8, opening connects with needle hub 1 close to one end of injection part 7,
The other end is connected with injection part 7.When syringe needle 6 is removed or moved into the one end open 2 of needle hub 1 by user, due to syringe needle
Sleeve 1 is connected with connecting portion 8, can realize the relative movement of needle hub 1 and injection part 7 by extending and compressing connecting portion 8.
And for example, can be interference fit between needle hub 1 and injection part 7, if user makes needle hub 1 and injection part
Relative movement is produced between 7, it is necessary to firmly push-and-pull.This set can ensure each push-and-pull of user can only move on a small quantity away from
From, and can play a part of connecting portion 8 being fastened in injection part 7.
In the present embodiment, needle hub 1 is connected by connecting portion 8 with injection part 7, can between needle hub 1 and injection part 7
Relative movement.In use, when syringe needle 6 is removed or moved into the one end open 2 of needle hub 1 by user, due to pin
Headgear cylinder 1 is connected with connecting portion 8, can drive the movement of needle hub 1 by the relative movement of connecting portion 8 and injection part 7.When
When user is without the use of syringe 3, the relative injection portion 7 of needle hub 1 can be moved, so that syringe needle 6 is entirely located in pinhead sleeve
In cylinder 1, so as to prevent syringe needle 6 from stabbing user., can be again by the relative injection of needle hub 1 when user uses syringe 3
Portion 7 is moved, and the one end of syringe needle 6 away from injection part 7 is removed out of needle hub 1, syringe needle 6 then is penetrated into user's again
Predetermined patterns.
Fig. 5 is the structural representation for the syringe that the another embodiment of the utility model provides, as shown in Figure 2 and Figure 5, upper
On the basis of stating embodiment, further, connecting portion 8 is the hollow housing of one end open；In being provided with the inwall of connecting portion 8
Screw thread 81；On the outer wall of injection part 7, along the length direction of injection part 7, the external screw thread 71 coordinated with internal thread 81 is provided with.
Wherein, the cross sectional shape of internal thread 81 and external screw thread 71 can be it is a variety of, such as：Triangle thread, rectangular thread,
Trapezoidal thread or buttless thread etc..
Further, the pitch of internal thread 81 and external screw thread 71 should be minimum value, because tissue is more intensive and multiple
Miscellaneous, pitch is smaller, and the distance that syringe needle 6 removes needle hub 1 is more accurate.Such setting can ensure the safety of patient.
In the present embodiment, internal thread 81 is provided with the inwall of connecting portion 8, is provided with the outer wall of injection part 7 and interior spiral shell
The external screw thread 71 that line 81 is engaged.In use, user can be by the cooperation of internal thread 81 and external screw thread 71, by even
Socket part 8 revolves near or screws out relative to injection part 7, controls syringe needle 6 to remove or move into the length of the one end open 2 of needle hub 1 with this
Degree.The person of being easy to use controls the distance that needle hub 1 moves by the way of screw thread cooperation so that user is quickly by syringe needle
Sleeve 1 is moved to predeterminated position, improves the service efficiency of syringe 3.
As shown in figure 1, on the basis of above-described embodiment, further, syringe 3 also includes fixed structure 9；Fixed knot
Structure 9 is arranged on injection part 7 close to one end of external screw thread 71, and fixed structure 9 is used to connecting portion 8 being fastened on injection part 7.
Wherein, fixed structure 9 can be binding clasp, and one end of binding clasp is fixed part, and fixed part is fixedly connected on injection
The outer surface in portion 7, the other end are spring clip, are connected between spring clip and fixed part by expansion link.In use, use
After connecting portion 8 is rotated to a fixed position by person relative to injection part 7, expansion link is adjusted, makes spring clip be clipped in default solid
Positioning is put, to limit the relative rotation between connecting portion 8 and injection part 7.
And for example, fixed structure 9 can be fixed cover, and fixed cover can be elastic rubber sleeve.In use, user will
After connecting portion 8 rotates to a fixed position relative to injection part 7, default fixed position will be all enclosed on surely, due to connection
Frictional force between gum cover be present in portion 8 and injection part 7, can be limited by the effect of frictional force connecting portion 8 and injection part 7 it
Between relative rotation.
In the present embodiment, fixed structure 9 is arranged on injection part 7 close to one end of external screw thread 71, in use, uses
After connecting portion 8 is rotated to a fixed position by person relative to injection part 7, connecting portion 8 can be fastened on injection by fixed structure 9
In portion 7, to prevent when in use, touching connecting portion 8, cause syringe needle 6 and needle hub 1 to produce relative movement, stab patient.
As shown in Figure 1, Figure 2 and Figure 3, on the basis of above-described embodiment, further, fixed structure 9 includes bolt 91；
The screwed hole 82 coordinated with bolt 91 is provided with connecting portion 8；Bolt 91 is located in screwed hole 82, and bolt 91 and injection
Portion 7 abuts, to apply active force to injection part 7.
Wherein, abutting portion can also contact in the position of the external screw thread 71 of injection part 7 in injection part 7 with connecting portion 8
Other positions.
Further, the thickness of connecting portion 8 can be with the consistency of thickness of screwed hole 82, can also be in the screwed hole of connecting portion 8
Local increase thickness at 82.
In the present embodiment, bolt 91 is located at the screwed hole 82 on connecting portion 8, and in use, user will connect
After socket part 8 rotates to a fixed position relative to injection part 7, bolt 91 is screwed, bolt 91 is abutted with injection part 7, it is right
Injection part 7 applies active force, and due to the effect of pressure, frictional force is produced between bolt 91 and injection part 7, with this by connecting portion
8 are fastened on position fixed in injection part 7.
As shown in figure 1, on the basis of above-described embodiment, further, injection part 7 includes syringe 72 and connecting cylinder 73；
One end of connecting cylinder 73 connects with syringe needle 6, and the other end connects with syringe 72；Needle hub 1 is connected by connecting portion 8 and connecting cylinder 73
Connect；Anti-skid structure 721 is provided with the outer wall of syringe 72；Anti-skid structure 721 is used for the outer wall and human hands for increasing syringe 72
Between frictional force.
Wherein, syringe 72 should be transparent material, such as plastics or glass etc..This set can be seen with convenient use person
The content of liquid in clear syringe 72.
Further, the second scale strip 722 is may be provided with syringe 72, the person of being easy to use of the second scale strip 722 is accurate
Control the content liquid in syringe 72.
Further, anti-skid structure 721 can be it is a variety of, such as：Tread plate, anti-skid bulge or abrasive material etc..
In the present embodiment, one end of connecting cylinder 73 connects with syringe needle 6, and the other end connects with syringe 72, and needle hub 1 passes through
Connecting portion 8 is connected with connecting cylinder 73, and in use, user can pass through the phase before needle hub 1 and connecting cylinder 73
To movement, syringe needle 6 is removed or moved into the one end open 2 of needle hub 1.Anti-skid structure 721 on the outer wall of syringe 72 can increase
Frictional force between the outer wall and human hands of big syringe 72.
As depicted in figs. 1 and 2, on the basis of above-described embodiment, further, injection part 7 also includes being arranged on syringe
Plunger 74 in 72；Limited block 75 is provided with the inwall of the one end of syringe 72 away from syringe needle 6：Limited block 75 is used to prevent plunger
74 extract from syringe 72.
Wherein, limited block 75 can be multiple more than one or two.It is preferred that limited block 75 is more than two
Multiple, multiple equispaceds of limited block 75 are arranged on the inwall of syringe 72, and plunger 74 can be limited from multiple angles from syringe 72
Middle extraction.
Further, collar 723 is also provided with syringe 72, collar 723 is arranged on the one end of syringe 72 away from syringe needle 6
Outside.For user when promoting plunger 74, thumb is placed on the one end of plunger 74 away from syringe needle 6, and forefinger and middle finger are stuck in card
On circle 723, thumb is relative with forefinger and middle finger firmly, more easily can release liquid.
In the present embodiment, plunger 74 is arranged in syringe 72, and limited block 75 is additionally provided with the inwall of syringe 72.Using
During, user realizes the injection of liquid and suction by promoting or extracting out plunger 74.When extracting plunger 74 out, work as plunger
74 when being moved to the end of syringe 72, and now the one side of plunger 74 abuts with limited block 75, and limited block 75 can prevent plunger 74
Continue to extract out, so as to prevent plunger 74 from extracting out of syringe 72.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (10)
- A kind of 1. needle guard, it is characterised in that including：Needle hub；The needle hub both ends open, the outside of the syringe needle for being enclosed on syringe, the needle hub are used to be connected to note In emitter, and it can be moved along the length direction of syringe needle relative to syringe needle.
- 2. needle guard according to claim 1, it is characterised in that the first scale strip is provided with the needle hub.
- 3. needle guard according to claim 1, it is characterised in that be provided with warning line in the needle hub；The warning line is used for the opening of the one end for prompting syringe needle whether to remove the needle hub.
- 4. a kind of syringe, it is characterised in that including syringe needle, injection part and the needle guard as described in claim any one of 1-3；One end of the syringe needle connects with one end of the injection part；The needle hub is enclosed on the outside of the syringe needle, and institute State needle hub to be connected with the injection part, the needle hub can move along the length direction of syringe needle relative to syringe needle.
- 5. syringe according to claim 4, it is characterised in that also including connecting portion；The needle hub is connected by the connecting portion with the injection part, and the needle hub and the injection part can phases To movement.
- 6. syringe according to claim 5, it is characterised in that the connecting portion is the hollow housing of one end open；Institute State and internal thread is provided with the inwall of connecting portion；On the outer wall of the injection part, along the length direction of the injection part, it is provided with With the external screw thread of the screw-internal thread fit.
- 7. syringe according to claim 6, it is characterised in that also including fixed structure；The fixed structure is arranged on the injection part and is used for close to described externally threaded one end, the fixed structure by the company Socket part is fastened in the injection part.
- 8. syringe according to claim 7, it is characterised in that the fixed structure includes bolt；The screwed hole coordinated with the bolt is provided with the connecting portion；The bolt is located in the screwed hole, and The bolt abuts with the injection part, to apply active force to the injection part.
- 9. syringe according to claim 5, it is characterised in that the injection part includes syringe and connecting cylinder；One end of the connecting cylinder connects with the syringe needle, and the other end connects with the syringe；The needle hub passes through described Connecting portion is connected with the connecting cylinder；Anti-skid structure is provided with the outer wall of the syringe；The anti-skid structure is used to increase institute State the frictional force between the outer wall of syringe and human hands.
- 10. syringe according to claim 9, it is characterised in that the injection part also includes being arranged in the syringe Plunger；Limited block is provided with the inwall of the one end of the syringe away from the syringe needle：The limited block is described for preventing Plunger is extracted from the syringe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414244.5U CN206652057U (en) | 2016-12-20 | 2016-12-20 | Needle guard and syringe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621414244.5U CN206652057U (en) | 2016-12-20 | 2016-12-20 | Needle guard and syringe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206652057U true CN206652057U (en) | 2017-11-21 |
Family
ID=60313891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621414244.5U Expired - Fee Related CN206652057U (en) | 2016-12-20 | 2016-12-20 | Needle guard and syringe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206652057U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273160A (en) * | 2018-02-06 | 2018-07-13 | 盐城工业职业技术学院 | A kind of medication clip |
| CN110237358A (en) * | 2019-06-27 | 2019-09-17 | 张艳琳 | A kind of high-precision insulin syringe and its application |
| CN110946628A (en) * | 2020-01-06 | 2020-04-03 | 西藏新好科技有限公司 | Tissue medical treatment sampler for livestock |
-
2016
- 2016-12-20 CN CN201621414244.5U patent/CN206652057U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108273160A (en) * | 2018-02-06 | 2018-07-13 | 盐城工业职业技术学院 | A kind of medication clip |
| CN110237358A (en) * | 2019-06-27 | 2019-09-17 | 张艳琳 | A kind of high-precision insulin syringe and its application |
| CN110946628A (en) * | 2020-01-06 | 2020-04-03 | 西藏新好科技有限公司 | Tissue medical treatment sampler for livestock |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171121 Termination date: 20181220 |