CN207708285U - Safety-type novopen injection needle - Google Patents
Safety-type novopen injection needle Download PDFInfo
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- CN207708285U CN207708285U CN201720637449.8U CN201720637449U CN207708285U CN 207708285 U CN207708285 U CN 207708285U CN 201720637449 U CN201720637449 U CN 201720637449U CN 207708285 U CN207708285 U CN 207708285U
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- needle
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- needle cap
- injection
- draw point
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Abstract
Safety-type novopen injection needle, including needle stand, draw point, needle cap, needle stand are made of connector sleeve and solid needle column, are fixed in the middle part of draw point in solid needle column；Needle cap is coaxially set in the outside of needle stand and draw point, and the both ends of needle cap are open end；Rear confined planes are equipped in the rear end of connector sleeve, front limit face is equipped on needle cap inner wall, resetting spring is installed between two confined planes；Multiple interior semi-girders are equipped in needle cap, it is respectively connected with an arc block in the end of each interior semi-girder, there are spacing between adjacent arc block, multiple arcs block is set to constitute the opening nested structure closed with solid needle column sleeve assembly, the fit structure of guide groove and guide vane is equipped between at least one arc block and solid needle column, it is equipped with a pair of positive multiple overhanging limit hangnails of the multiple aperture positions one covered with elastic opening on solid needle column, needle cap is made to be axially formed front limit on needle stand.This injection needle after injection hide automatically by syringe needle, is stabbed so as to avoid needle.
Description
Technical field
The utility model belongs to injection of insulin medical supplies, more particularly to a kind of safety-type injection of insulin syringe needle.
Background technology
Novopen injection needle is the disposable safe syringe needle being used cooperatively with novopen when insulin injection injection
Structure.The existing novopen injection needle generally used is mainly by needle stand, draw point, interior needle cap, outer needle cap and several portions of sealed membrane
It point constitutes, with the pen core front end coupling part of insulin injection pen is tapped connector sleeve, the middle part of draw point on needle stand
It is molded and connects with needle stand, the rear end of draw point is extend into connector sleeve, and the front end of draw point is stretched out from the front end of needle stand, interior needle cap
It is the closed tubular structure in one end with outer needle cap, interior needle cap is set on the front end of draw point, and outer needle cap is by interior needle cap one end
Interior needle cap is set in on needle stand, sealed membrane cements in the open end of outer needle cap, and needle stand, draw point and interior needle cap are sealed in outer needle
In cap.
The above-mentioned novopen injection needle generally used when in use, using following operating procedure：
1, first sealed membrane is torn；
2, syringe needle is tightened on pen by alignment pen core straight；
3, interior needle cap and outer needle cap are removed；
4, syringe needle upward, flicks after pen allows bubble to float to top, injection button is pressed, until needle point has liquid discharge；
5, after cleaning injection site, direct vertical inserting needle is stopping several seconds after pressing injection button on earth, is pulling out needle, will be outer
Needle cap is sleeved on syringe needle, is screwed off pinhead handle and is discarded into discarded box.
The use step of above-mentioned novopen injection needle is more, troublesome in poeration, in addition, also to cover outer needle after injection
Cap, does not pay attention to when covering outer needle cap or work angle is not in the case of, is easy to stab hand.
Invention content
The utility model provides a kind of simplified injection of insulin operation to solve technical problem present in known technology
Syringe needle is hidden automatically after step and injection, to the safety-type novopen injection needle for avoiding needle from stabbing.
The utility model is adopted the technical scheme that solve technical problem present in known technology：
Safety-type novopen injection needle, including needle stand, draw point, needle cap, the needle stand by integrated injection molding company
Female connector and two, solid needle column being arranged at connector sleeve center are partly constituted, and internal thread is equipped on connector sleeve inner wall；In draw point
Portion is fixed in solid needle column, and the rear end of draw point is extend into connector sleeve, and the front end of draw point is stretched out from the front end of needle stand, described
Needle cap is coaxially set in the outside of needle stand and draw point, it is characterised in that：
The both ends of needle cap are open end；Rear confined planes are equipped in the rear end of connector sleeve, before being equipped on needle cap inner wall
Confined planes are equipped with resetting spring between forward and backward two confined planes；
It is equipped with and is connect with needle cap inner wall and evenly distributed in the circumferential direction positioned at the forward position in front limit face in needle cap
Multiple interior semi-girders, be respectively connected with an arc block in the end of each interior semi-girder, there are spacing between adjacent arc block, make more
A arc block constitutes the opening nested structure closed with solid needle column sleeve assembly；It is equipped with along axis between at least one arc block and solid needle column
To the guide groove in direction and the fit structure of guide vane, needle cap and needle stand is made to form being slidably connected in axial direction；In solid needle
Multiple overhanging limit hangnails are along the circumferential direction laid on column, overhanging limit hangnail is that two sides are in tilted cone-shape barbs
Multiple aperture positions one of structure, multiple overhanging limit hangnails and elastic opening sets are a pair of just, make needle cap on needle stand in an axial direction
Form front limit；
In the case where safety-type novopen injection needle is in state to be used, at the both ends of needle cap, each cementation has a sealing
Film makes needle stand, draw point and resetting spring be sealed in needle cap；
In the case where safety-type novopen injection needle is in injection use state, the sealed membrane at needle cap both ends removes, needle stand
Connector sleeve and pen core front end formed connect, resetting spring compression, move to Background Job position after making needle cap, and make draw point
Front end is stretched out from the front end of needle cap is pierced into injection site；
In the case where safety-type novopen injection needle is in using completion status, the connector sleeve of needle stand and the front end of pen core
It is disconnected, under the action of resetting spring, needle cap Forward resets, and the front end of draw point is hidden in needle cap.
Preferably：The interior semi-girder is two, and the arc block is two pieces, and the overhanging limit hangnail is two, two
It is respectively provided with a guide groove in a arc block, is equipped with and two guide grooves, two guide vanes matched one by one on solid needle column.
Preferably：It is equipped with flanging in the rear end of needle stand, the inner face of flanging forms the rear confined planes.
The utility model has the advantages and positive effects of：
1, intrinsic safety holotype novopen injection needle realizes syringe needle and exists by cementing in two sealed membranes at needle cap both ends
Sterile sealing under state to be used.
2, intrinsic safety holotype novopen injection needle when in use, by the compression of resetting spring, moves after making needle cap, makes steel
The front end of needle is stretched out, and is realized and is pierced into injection, and after use, by the effect of resetting spring, needle cap Forward resets, draw point
Front end is hidden in needle cap automatically.In this way, compared to existing injection needle after injection, the action of set needle cap is eliminated, from
And avoid due to accidentally or suit angle not pair and caused by needle stab problem.
3, intrinsic safety holotype novopen injection needle is carrying out injection of insulin operation compared to existing injecting head structure
When, eliminate injection needle thorn before remove the action of interior needle cap and outer needle cap, in addition, also eliminate injection rear enclosure on outer needle cap move
Make, in this way, the step of simplifying injection of insulin operation, saves the operating time.
Description of the drawings
Fig. 1 is the dimensional structure diagram that the utility model is under state to be used；
Fig. 2 is the stereogram exploded view of Fig. 1；
Fig. 3 is section plan of the utility model removal sealing two ends film before injection operation or after injection；
Fig. 4 is the A-A sectional views of Fig. 3；
Fig. 5 is section plan of the utility model in injection；
Fig. 6 is the B-B sectional views of Fig. 5.
In figure：1, needle stand；1-1, connector sleeve；1-1-1, rear confined planes；1-2, solid needle column；1-2-1, guide vane；2, draw point；
3, needle cap；3-1, front limit face；4, resetting spring；5, interior semi-girder；6, arc block；6-1, guide groove；7, overhanging limit hangnail；8、
Front sealed membrane；9, rear portion sealed membrane.
Specific implementation mode
For that can further appreciate that the invention, features and effects of the utility model, the following examples are hereby given, and coordinates
Detailed description are as follows for attached drawing：
Fig. 1-6, safety-type novopen injection needle, including needle stand 1, draw point 2, needle cap 3 are referred to, the needle stand is by one
The connector sleeve 1-1 of body injection molding and the solid needle column 1-2 two being arranged at connector sleeve center are partly constituted, on connector sleeve inner wall
Equipped with internal thread.Wherein, connector sleeve is attached for the front end with pen core by screw thread when carrying out injection of insulin,
Gu needle column is used for the packet in injection molding and lives draw point admittedly.It is fixed in the middle part of draw point in solid needle column, the rear end of draw point extend into connection
In set, the front end of draw point is stretched out from the front end of needle stand.Needle cap is coaxially set in the outside of needle stand and draw point.
One of innovative point of the technical program：The both ends of needle cap are open end；It is limited after the rear end of connector sleeve is equipped with
Plane 1-1-1 is equipped with front limit face 3-1 on needle cap inner wall, resetting spring 4 is equipped between forward and backward two confined planes.It is i.e. multiple
Position spring is mounted between needle cap and the connector sleeve of needle stand, and is limited by front and back two confined planes.
The two of the innovative point of the technical program：It is equipped with positioned at the forward position in front limit face in needle cap and connects with needle cap inner wall
It connects and multiple interior semi-girders 5 evenly distributed in the circumferential direction, multiple interior semi-girders refers to the interior semi-girder of two or more quantity,
Be respectively connected with an arc block 6 in each interior semi-girder end, there are spacing between adjacent arc block, make multiple arcs block constitute with
Gu the opening nested structure that the assembly of needle column sleeve is closed.Above-mentioned needle cap, multiple interior semi-girders and multiple arcs block use integrated injection molding knot
Structure.It is equipped with the fit structure of guide groove and guide vane in axial direction between at least one arc block and solid needle column, makes needle
Cap and needle stand form being slidably connected in axial direction.Multiple overhanging limit hangnails are along the circumferential direction laid on solid needle column
7, overhanging limit hangnail and admittedly needle column integrated injection molding.Overhanging limit hangnail is that two sides are in tilted cone-shape barbs knot
Multiple aperture positions one of structure, multiple overhanging limit hangnails and elastic opening sets are a pair of just, make needle cap shape in an axial direction on needle stand
At front limit, i.e., multiple overhanging limit hangnails are pressed in by the front end face of multiple aperture position two side portions of opening sleeve one by one
On rear end face, to limit needle cap along the forward position that needle stand moves.To ensure that needle cap can be installed on needle stand, and can shape after installation
At front limit, then the opening spacing of opening sleeve is less than the big end width value of corresponding cone-shape barbs and is greater than corresponding taper
The small end width value of thorn, in this way, when assembling needle cap with needle stand, when cone-shape barbs pass through corresponding opening from the front to the back, opening
Place is squeezed by cone-shape barbs two sides, flexible deformation, to both sides spreading, when cone-shape barbs pass through opening completely, opening
Both sides elastic reset, the big end of cone-shape barbs are formed with the front end of corresponding opening position two side portions and are pressed into contact with, thus
Realize the front limit that needle cap is moved along needle stand.
The innovative point of the technical program also resides in, and the state before use, in use and after use is different from existing pancreas
Island element injection needle, specially：
In the case where safety-type novopen injection needle is in state to be used, i.e., do not make under factory state, after hospital's buying
With unused state after state or patient's purchase, at the both ends of needle cap, each cementation has a sealed membrane, i.e. front sealed membrane 8 and rear portion
Sealed membrane 9 makes needle stand, draw point and resetting spring be sealed in needle cap, to ensure that the sterile sealing of syringe needle.
In the case where safety-type novopen injection needle is in injection use state, i.e., patient carries out the state that injection uses
Under, the sealed membrane at needle cap both ends removes, and the front end of the connector sleeve of needle stand and the pen core of insulin injection pen, which is formed, to be connected, and is resetted
Spring-compressed moves to Background Job position after making needle cap, and so that the front end of draw point is stretched out from the front end of needle cap and be pierced into injection site.
In the case where safety-type novopen injection needle is in using completion status, the connector sleeve and insulin injection pen of needle stand
The front end of pen core be disconnected, under the action of resetting spring, needle cap Forward resets, and the front end of draw point is hidden in needle cap
It is interior.
In above-mentioned safety-type novopen injecting head structure：The interior semi-girder preferably uses two, the arc block phase
It should be preferably two pieces, the overhanging limit hangnail is two, a guide groove 6-1 is respectively provided in two arc blocks, in solid needle column
Be equipped with two guide grooves, two guide vane 1-2-1 matched one by one, in this way, foring the cooperation of two groups of guide grooves and guide vane
Structure has the advantages that easy to assembly and is oriented to steady.
In above-mentioned safety-type novopen injecting head structure：Rear confined planes preferred structure on needle stand is：In needle stand
Rear end is equipped with flanging, and the inner face of flanging forms the rear confined planes.
Intrinsic safety holotype novopen injection needle when in use, using following operating procedure：
1, first the sealed membrane at both ends is torn；
2, syringe needle is tightened on pen by alignment pen core straight；
3, syringe needle upward, flicks after pen allows bubble to float to top, injection button is pressed, until needle point has liquid discharge；
5, after cleaning injection site, direct vertical inserting needle is stopping several seconds after pressing injection button on earth, is pulling out needle, screw off
Syringe needle is simultaneously discarded into discarded box.
Intrinsic safety holotype novopen injection needle leads to compared to existing novopen injection needle only with a needle cap
It crosses and structure change is carried out to needle cap and needle stand, Flexible Reset is installed between needle cap and needle stand.In this way, carrying out injection of insulin
When, needle cap need not be removed, needle cap automatically moves back, and the front end of draw point is made to stretch out, to realize injection；And it is complete in injection of insulin
Cheng Hou, under action of reset spring, Forward resets needle cap, so that the front end of draw point is hidden in needle cap, in this way, avoiding trocar
Cap and cause needle to stab, in addition, also simplifying the operating procedure of injection of insulin, have the advantages that easy to use and safe.
Claims (3)
1. safety-type novopen injection needle, including needle stand, draw point, needle cap, the needle stand by integrated injection molding connection
It covers and is arranged and constituted in two parts of solid needle column at connector sleeve center, internal thread is equipped on connector sleeve inner wall；The middle part of draw point
It is fixed in solid needle column, the rear end of draw point is extend into connector sleeve, and the front end of draw point is stretched out from the front end of needle stand, the needle
Cap is coaxially set in the outside of needle stand and draw point, it is characterised in that：
The both ends of needle cap are open end；Rear confined planes are equipped in the rear end of connector sleeve, front limit is equipped on needle cap inner wall
Face is equipped with resetting spring between forward and backward two confined planes；
It is equipped with positioned at the forward position in front limit face and is connect with needle cap inner wall and evenly distributed in the circumferential direction more in needle cap
A interior semi-girder is respectively connected with an arc block in the end of each interior semi-girder, and there are spacing between adjacent arc block, make multiple arcs
Shape block constitutes the opening nested structure closed with solid needle column sleeve assembly；Side in an axial direction is equipped between at least one arc block and solid needle column
To guide groove and guide vane fit structure, so that needle cap and needle stand is formed being slidably connected in axial direction；On solid needle column
Multiple overhanging limit hangnails are along the circumferential direction laid with, overhanging limit hangnail is that two sides are in tilted cone-shape barbs knot
Multiple aperture positions one of structure, multiple overhanging limit hangnails and elastic opening sets are a pair of just, make needle cap shape in an axial direction on needle stand
At front limit；
In the case where safety-type novopen injection needle is in state to be used, at the both ends of needle cap, each cementation has a sealed membrane, makes
Needle stand, draw point and resetting spring are sealed in needle cap；
In the case where safety-type novopen injection needle is in injection use state, the sealed membrane at needle cap both ends removes, the company of needle stand
The front end of female connector and pen core forms connection, and resetting spring compression moves to Background Job position, and make the front end of draw point after making needle cap
Portion is stretched out from the front end of needle cap is pierced into injection site；
In the case where safety-type novopen injection needle is in using completion status, the connector sleeve of needle stand and the front end of pen core are detached from
Connection, under the action of resetting spring, needle cap Forward resets, and the front end of draw point is hidden in needle cap.
2. safety-type novopen injection needle according to claim 1, it is characterised in that：The interior semi-girder is two,
The arc block is two pieces, and the overhanging limit hangnail is two, a guide groove is respectively provided in two arc blocks, in solid needle column
It is equipped with and two guide grooves, two guide vanes matched one by one.
3. safety-type novopen injection needle according to claim 1, it is characterised in that：It is equipped in the rear end of needle stand outer
The inner face of flange, flanging forms the rear confined planes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637449.8U CN207708285U (en) | 2017-06-02 | 2017-06-02 | Safety-type novopen injection needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720637449.8U CN207708285U (en) | 2017-06-02 | 2017-06-02 | Safety-type novopen injection needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207708285U true CN207708285U (en) | 2018-08-10 |
Family
ID=63063227
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720637449.8U Active CN207708285U (en) | 2017-06-02 | 2017-06-02 | Safety-type novopen injection needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207708285U (en) |
-
2017
- 2017-06-02 CN CN201720637449.8U patent/CN207708285U/en active Active
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