CN209332906U - A kind of new type of safe novopen is with applying needle - Google Patents

Abstract

The utility model discloses a kind of new type of safe novopens with needle, including needle stand, spike body is applied, and spike body is fixedly installed on the inside of needle stand.The device further includes the hiding mechanism for hiding spike body, hiding mechanism includes the first sliding sleeve and the second sliding sleeve, first sliding sleeve and the second sliding sleeve are sheathed on the outside of spike body, it is supported between first sliding sleeve and needle stand and is equipped with spring, the upper end of needle stand is provided with the end cap for carrying out axial limiting to the second sliding sleeve, and the second sliding sleeve and end cap rotation stop cooperate；The outer wall of first sliding sleeve is convexly equipped with sliding block, second sliding sleeve is provided with the linkage slot with sliding block cooperation, the boss of the setting of end cap inner wall and sliding block cooperation, the lower end of boss is provided with third inclined-plane, the confined planes of needle stand setting and the lower end counter stopper of sliding block, confined planes are located at the lower section on third inclined-plane, and sliding block is constituted with confined planes when being located in linkage slot and misplaced.The utility model structure setting is reasonable, easy to operate.

Description

A kind of new type of safe novopen is with applying needle

Technical field

The utility model relates to the field of medical instrument technology, especially a kind of new type of safe novopen, which is matched, applies needle.

Background technique

Insulin injection device such as novopen and injection needle have been widely spread as a kind of tool for treating diabetes Using its major function be by injection device into diabetic's body accurately infusion of insulin, reach control patient's blood The purpose of sugar, and current needs are increasing.

Traditional common injection needle includes needle stand, needle tubing and the protective shell of outside.Before use, need to first remove protective shell, Then insulin injection syringe is directly exposed to outside, because of no safety protection structure after use, to be easy to happen unexpected accidentally contact pilotage head And the case where leading to cross-infection.Simultaneously as It is not necessary to safeguard structure, this kind of injection needle can also be by again after using Secondary use, thus in the presence of the risk being reused.

And then, also occur some safe insulin syringe needles for solving the problems, such as above-mentioned normal injection syringe needle on the market, it is existing The some safe insulin syringe needles having have the disadvantage in that the one, safety insulin syringe upon completion of the injection, can not be immediately Needle point is protected, but after exiting injection device such as novopen, protection mechanism could protect needle point, thus Still remain the risk that cross-infection occurs because accidentally touching；Two, insulin is generally injected at hypodermis layer, rather than is injected at Muscle layer, because muscle layer absorbs fast, Yi Yinqi blood glucose fluctuation, so syringe needle is needed with 45° angle in many cases in injection Inserting needle, and existing some safe insulin injection syringes of offer, since there are the structures such as needle shield, so that the injection needle uses When can only not only increase operation difficulty, also with the angle 90o inserting needle, thus longer or when patient's hypodermis layer is relatively thin in syringe needle So that there are biggish risks to be even unable to complete injection for injection；Three, also due to there are structures such as needle shields, injection when into Needle resistance ratios are larger, to keep Patient Experience poor, while increasing operation difficulty；Four, the similar peace of existing many on the market Full insulin needle header structure is complicated, and manufacturing cost and use cost is higher, bears to diabetic economy-zone.

Utility model content

The purpose of this utility model is that it is in view of the drawbacks of the prior art and insufficient, it provides a kind of with protective device, knot Simple, easy to install and use, lesser to the injury of human safety-type insulin injection pen syringe needle of structure.

To achieve the above object, the utility model uses following technical scheme: a kind of new type of safe novopen is with applying Needle, including needle stand, spike body, spike body are fixedly installed on the inside of needle stand: further including for hiding the hidden of spike body Mechanism is hidden, hiding mechanism includes the first sliding sleeve and the second sliding sleeve, and the first sliding sleeve and the second sliding sleeve are sheathed on the outer of spike body Portion supports between the first sliding sleeve and needle stand and is equipped with spring, and the upper end of needle stand is provided with for carrying out axial limiting to the second sliding sleeve End cap, and the second sliding sleeve and end cap rotation stop cooperate, the outer wall of the first sliding sleeve is convexly equipped with sliding block, and the second sliding sleeve is provided with matches with sliding block The linkage slot of conjunction, the upper end of sliding block are provided with the first inclined-plane, and linkage slot includes the second inclined-plane corresponding with the first inclined-plane, is located at Second inclined-plane upper end and the stop surface with sliding block counter stopper；The boss of the setting of end cap inner wall and sliding block cooperation, the lower end of boss It is provided with third corresponding with the first inclined-plane inclined-plane, third inclined-plane is located at the lower section on the second inclined-plane, and third inclined-plane and second In being staggered, the confined planes of needle stand setting and the lower end counter stopper of sliding block, confined planes are located at the lower section on third inclined-plane on inclined-plane, And sliding block is constituted with confined planes when being located in linkage slot and is misplaced；

The second sliding sleeve of first pressing, under the mating reaction of sliding block and linkage slot, the first sliding sleeve is by the second sliding sleeve drives edge For needle ingot shaft to moving down, the upper end of spike body gradually stretches out in the second sliding sleeve, so that spike body is in exposed state；

The second sliding sleeve is unclamped, under the action of the spring, the first sliding sleeve and the second sliding sleeve are along needle ingot shaft to moving up, and first is sliding Set is detached from linkage slot, and the first inclined-plane of sliding block and the third inclined-plane of boss offset cooperation, the cunning of upper end retraction second of spike body In set, so that spike body is again at hidden state；

The second sliding sleeve is pressed again, and under sliding block and confined planes mating reaction, the stroke of the second sliding sleeve is less than the second sliding sleeve Spacing between upper end and spike body upper end, so that spike body is still in hidden state.

Match in a kind of above-mentioned new type of safe novopen and applies in needle, plane where the stop surface and third inclined-plane Medium position is corresponding.

Match in a kind of above-mentioned new type of safe novopen and applies in needle, the end of plane and confined planes where the stop surface Portion is corresponding.

In a kind of above-mentioned new type of safe novopen with applying in needle, the top axial of first sliding sleeve is extended to form Extension, the extension are socketed in the second sliding sleeve.

In a kind of above-mentioned new type of safe novopen with applying in needle, the extension upper surface is peripherally disposed There is burr.

In a kind of above-mentioned new type of safe novopen with applying in needle, the axially disposed end cap of end cap inner wall is sliding Rail, the guide chute of the outer wall setting and the sliding cooperation of end cap sliding rail rotation stop of second sliding sleeve.

In a kind of above-mentioned new type of safe novopen with applying in needle, the needle stand inner wall is convexly equipped with and is oriented to along axial direction The needle stand sliding rail of sliding slot rotation stop sliding cooperation, the needle stand sliding rail connect with end cap sliding rail.

In a kind of above-mentioned new type of safe novopen with applying in needle, the end cap uses transparent material, and described Color identifier is set on sliding block.

In a kind of above-mentioned new type of safe novopen with applying in needle, it is arranged with shell outside the needle stand, the end cap, Hiding mechanism is coated in shell.

In a kind of above-mentioned new type of safe novopen with applying in needle, the needle stand bottom end setting is filled with injection of insulin The novopen department of assembly being threadedly engaged is set, the bottom end of spike body is inserted into novopen department of assembly.

The utility model has the following beneficial effects:

1, the utility model has the advantages of simple structure rationally, and by the way that hiding mechanism is arranged, spike body is hidden in hiding mechanism It is interior, fear is generated to needle point so that avoiding patient in use, passes through flexible effective injection of spring in use process, Spike body is hidden in hiding mechanism again after use, can be effectively reduced the risk of injured patient.

2, sliding if pushing hiding mechanism (the second sliding sleeve) again after use by the setting on third inclined-plane on end cap Block is limited by stop surface, will be unable to push hiding mechanism completely so that when secondary pressing spike body can not be exposed to it is hidden The outside of mechanism is hidden, to keep the utility model more safe after use and secondary will not use, effectively prevents intersecting sense Dye, not only facilitates patient to use, but also safer and more reliable.

3, Transparent color is arranged in end cap, red mark is respectively set on the sliding block of the first sliding sleeve.After injection, use For person during the withdraw of the needle, the recoil of spring compressed before jacks up the first sliding sleeve, when the sliding block of the first sliding sleeve reaches the third of end cap When on inclined-plane, the first sliding sleeve can be started turning along third inclined-plane at this time, in the case where spring is withstood, the first sliding sleeve is mobile To the third beveled top end of end cap.Enter and prevents the secondary home used, the red mark of setting on the sliding block of the first sliding sleeve, This red-label can be seen from the outside by transparent end cap at this time, i.e., the visualization display label after use more intuitively shows It is used out, it is also convenient for distinguishing.

4, in use, any angle, which presses the second sliding sleeve, is able to achieve spike body injection, 90 ° of injections are no longer only limitted to, It is easy to operate.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the schematic diagram of the section structure of the utility model.

Fig. 3 is the schematic diagram of the section structure of the first sliding sleeve and end cap cooperation in the utility model.

Fig. 4 is the structural schematic diagram of the first sliding sleeve and the cooperation of the second sliding sleeve in the utility model.

Fig. 5 is the structural schematic diagram of the first sliding sleeve in the utility model.

Fig. 6 is the structural schematic diagram of the second sliding sleeve in the utility model.

Fig. 7 is the structural schematic diagram of needle stand in the utility model.

Fig. 8 is the structural schematic diagram of end cap in the utility model.

In figure: 100, needle stand；110, needle fits pedestal；120, spike body；130, novopen department of assembly；140, it keeps off Plate；150, needle stand sliding rail；160, vertical slot；170, confined planes；200, the first sliding sleeve；210, sliding block；211, the first inclined-plane；220, prolong Extending portion；221, burr；300, the second sliding sleeve；310, the second inclined-plane；320, convex block；330, guide chute；340, stop surface；400, Spring；500, end cap；510, boss；511, third inclined-plane；520, end cap sliding rail；530, card slot；600, shell；610, raised line.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figures 1 to 8, a kind of new type of safe novopen, which is matched, applies needle, including needle stand 100, spike body 120, Spike body 120 is fixedly installed on the inside of needle stand 100.The utility model further includes for hiding hiding for spike body 120 Mechanism, hiding mechanism include the first sliding sleeve 200 and the second sliding sleeve 300, and the first sliding sleeve 200 and the second sliding sleeve 300 are sheathed on needle The outside of head ontology 120, supports between the first sliding sleeve 200 and needle stand 100 and is equipped with spring 400, the upper end of needle stand 100, which is provided with, to be used for The end cap 500 of axial limiting is carried out to the second sliding sleeve 300, and the second sliding sleeve 300 cooperates with 500 rotation stop of end cap, the first sliding sleeve 200 Outer wall be convexly equipped with sliding block 210, the second sliding sleeve 300 is provided with the linkage slot cooperated with sliding block 210, the upper end setting of sliding block 210 There is the first inclined-plane 211, linkage slot includes second inclined-plane 310 corresponding with the first inclined-plane 211, is located at 310 upper end of the second inclined-plane And the stop surface 340 with 210 counter stopper of sliding block；The boss 510 that the setting of 500 inner wall of end cap cooperates with sliding block 210, boss 510 Lower end be provided with third inclined-plane 511 corresponding with the first inclined-plane 211, third inclined-plane 511 is located under the second inclined-plane 310 Side, and third inclined-plane 511 is in be staggered with the second inclined-plane 310, the setting of needle stand 100 and the lower end counter stopper of sliding block 210 Confined planes 170, confined planes 170 are located at the lower section on third inclined-plane 511, and sliding block 210 when being located in linkage slot with confined planes 170 Dislocation is constituted, the 340 place plane of stop surface is corresponding with the medium position on third inclined-plane 511.

Needle fits pedestal 110 is provided in the needle stand 100, spike body 120 is fixed on needle fits pedestal 110 Novopen department of assembly 130 interior, that the setting of 100 bottom end of needle stand is threadedly engaged with insulin injection device, the bottom of spike body 120 End is inserted into novopen department of assembly 130.Helicitic texture handling convenience, strong operability.

Specifically, be arranged outside the needle stand 100 be adapted with needle stand 100, dismountable shell 600, the end cap 500, Hiding mechanism is coated in shell 600.

Further, 600 inner wall of shell and 100 outer wall of needle stand are equipped with raised line 610,600 inner wall of shell with The raised line 610 of 100 outer wall of needle stand is staggered, and the thickness of the raised line 610 is from top to bottom incremented by.It is designed in this way, makes needle stand 100 Intersect with shell 600 closer, is not easy to rotate.

Preferably, similarly designing in the outer wall of shell 600 has raised line 610,610 structure of raised line on 600 outer wall of shell It primarily serves and acts on increasing frictional force, be not easy to slip out of the hand, used convenient for taking.

Needle stand 100 is coated in shell 600, keeps whole equipment structure more complete, and is not easy to triggering injection switch, if It is safer reasonable to count.

In use, insulin injection device is connected to novopen department of assembly 130.Then pancreas is arranged in desheathing 600 Dosage on the element pen of island is directed at injection site, presses the second sliding sleeve 300 by skin, realizes injection operation.In use process The upper end (i.e. needle point) of (before injection), spike body 120 is placed in hiding mechanism always.I.e. user start injection before be It can't see needle point, to the fear of needle point when avoiding injection.

Specifically, be arranged on the same axis of the needle fits pedestal 110 first sliding sleeve 200 and with the first sliding sleeve 200 compatible second sliding sleeves 300, first sliding sleeve 200 are connect with needle fits pedestal 110 by spring 400.

Further, the top axial of first sliding sleeve 200 extends to form extension 220, the extension 220 and The socket of two sliding sleeves 300.Second sliding sleeve 300 is sheathed on the first sliding sleeve 100, can preferably be carried out sliding cooperation, be ensure that first The concentricity of sliding sleeve 200 and the second sliding sleeve 300.

It is worth noting that the height of extension 220 is designed in this way less than the height of the second sliding sleeve 300, make the first sliding sleeve 200 are preferably socketed with the second sliding sleeve 300, and when the second sliding sleeve 300 squeezes the first sliding sleeve 200, the movement axially moved down is more smooth.

Still further, 220 upper surface of extension is peripherally disposed burr 221, it is designed in this way, makes syringe needle After ontology 120 enters skin, gap is generated between the upper end and skin of the first sliding sleeve 200, the withdraw of the needle is convenient, avoids because of the first sliding sleeve Pressure outside 200 is excessive and is adsorbed at skin, prevents from damaging the skin after acupuncture treatment.

Further, the spring 400 is sheathed on outside needle fits pedestal 110, to make the first sliding sleeve 200 and spring 400 Between better stress, can by spring 400 be embedded in the first sliding sleeve 200 in, keep structure more stable.On the other hand, such as This design, influences the deformation when the spike body 120 on needle fits pedestal 110 will not be by 400 stress of spring.

Specifically, at least one sliding block 210 is arranged on first sliding sleeve 200,210 upper end of sliding block is formed with first The second inclined-plane 310 matched with the first inclined-plane 211 is arranged in inclined-plane 211,300 bottom end of the second sliding sleeve.

The 340 place plane of stop surface is corresponding with the end of confined planes 170, and the sliding block 210 and stop surface 340 are complete At continuing to be moved down by the thrust of the second sliding sleeve 300 after counter stopper, continuing to axially move keeps the completion puncture of spike body 120 dynamic Make.

Specifically, the outer sheath of the second sliding sleeve 300 is equipped with the end cap 500 being clamped with needle stand 100, set on the end cap 500 Have and returned to boss 510 in situ by 400 elastic force of spring for limiting sliding block 210,510 lower end of boss is equipped with first tiltedly The third inclined-plane 511 that face 211 cooperates.

Preferably, second sliding sleeve 300, the first sliding sleeve 200 are set in needle stand 100, and use end by the utility model Lid 500 limits the second sliding sleeve 300 and the first sliding sleeve 200, and the end cap 500 is clamped with needle stand 100, is designed in this way structure It is compact.

It is slided specifically, 100 inner wall of needle stand is convexly equipped with along axial direction with the needle stand of 330 rotation stop of guide chute sliding cooperation Rail, and at least one needle stand sliding rail 150 is set, the upper end of the needle stand sliding rail 150 connects with the lower end of end cap sliding rail 520, institute The outer wall for stating the second sliding sleeve 300 is convexly equipped at least one convex block 320 cooperated with needle stand sliding rail 150, and guide chute 330 is formed in 320 surface of convex block, keeps structural stability more preferable.

During the second sliding sleeve 300 pushes the first sliding sleeve 200, the guide chute 330 on the second sliding sleeve 300 is along needle Needle stand sliding rail 150 on seat 100 is mobile.Thus when the first sliding sleeve 200 is after squeezing spring 400, downwards by the second sliding sleeve 300 Active force, the first sliding sleeve 200 linkage slot in rotate the first inclined-plane 211 contact with the second inclined-plane 310 and occur slide cooperates.

Preferably, the utility model is provided with two needle stand sliding rails 150 in 100 inner wall of needle stand, so, in the second sliding sleeve Guide chute 330 there are two being correspondingly arranged on 300, and the utility model is not excluded for other rationally operable settings.

Specifically, 500 inner wall of end cap has the axial end cap sliding rail being arranged for playing the guiding role to the second sliding sleeve 300 520, at least one is arranged in the end cap sliding rail 520, and the needle stand 100 is equipped with vertical slot compatible with end cap sliding rail 520 160。

Specifically, at least one baffle 140 is arranged on the wall of the needle stand 100,500 inner wall of end cap is formed and baffle 140 The card slot 530 of adaptation.

Specifically, the outer wall of the first sliding sleeve 200 is convexly equipped with two sliding blocks 210 being symmetrical set, second sliding sleeve 300 Bottom end setting and one-to-one second inclined-plane 310 in the first inclined-plane 211 on two sliding blocks 210, correspondingly, 500 inner wall of end cap Two boss 510 being symmetrical set are provided with, the lower end of two boss 510 is respectively arranged with and two the first inclined-planes 211 1 One corresponding third inclined-plane 511, each oblique 511 face of third are respectively positioned on the lower section on corresponding second inclined-plane 310.

Further, the end cap 500 uses transparent material, and is respectively set on the sliding block 210 with coloured Mark；Under the action of 400 elastic force of spring, the first sliding sleeve 200 makes color identifier towards end cap 500 with the rotation of movable slider 210, Using visualization, it is convenient for situations such as distinguishing, mistake is avoided to take.

Preferably, for the utility model using red mark, more eye-catching distinguishing is high, however not excluded that other have aobvious note effect Color selection.

In use, the second sliding sleeve 300 of pressing, the second sliding sleeve 300 are sliding along end cap from top to bottom by guide chute 330 for the first time Rail 520, needle stand sliding rail 150 are mobile, during this, under the mating reaction of the second sliding sleeve 300 and spring 400, and the first sliding sleeve 200 It first passes through the first inclined-plane 211 and the second inclined-plane 310 to rotate relative to the second sliding sleeve 300, when sliding block 210 is moved to second tiltedly When the upper end in face 310, sliding block 210 just offsets with stop surface 340, and the first sliding sleeve 200 is no longer relative to 300 turns of the second sliding sleeve at this time It is dynamic, but synchronize and move down with the second sliding sleeve 300 so that spacing between the upper end and spike body upper end of the second sliding sleeve 300 by Tapered short, the needle point of spike body 120 gradually stretches out in the outside (i.e. needle point punctures skin) of the second sliding sleeve 300, until second When the upper surface of sliding sleeve is flushed with end cap 500, the needle point of spike body 120 is just fully exposed to the outside of the second sliding sleeve 300 (i.e. Needle point gos deep into skin completely), injection operation can be carried out at this time.

It should be noted that pressing the initial stage of the second sliding sleeve, the first sliding sleeve and the second sliding sleeve for the first time in the present embodiment Movement relation are as follows: under original state, sliding block is opposing stationary between the end and the second inclined-plane of boss, when pressing the second sliding sleeve When, the second sliding sleeve 300 band movable slider 210 first is moved down along boss, until slide block movement is to when crossing 510 bottom position of boss, Boss disappears to the circumference position-limiting action of sliding block, so that the sliding block 210 rotates up to and stop surface 340 along the second inclined-plane 310 It offsets, then sliding block will be with the second sliding sleeve synchronizing shaft to moving down.

After injection, user extracts spike body 120 in the withdraw of the needle, through needle stand 100, and skin is to the second sliding sleeve 300 pressure disappears (having unclamped the second sliding sleeve 300), at this point, under the elastic force effect of spring 400, the first sliding sleeve 200 and the Two sliding sleeves 300 are axially moved up along needle stand 100, and spike body 120 is again in retraction hiding mechanism.During moving up, due to Third inclined-plane 511 on boss 510 acts on so that the first sliding sleeve 200 is detached from linkage slot, the first inclined-plane 211 of sliding block 210 with it is convex The third inclined-plane 511 of platform 510 offsets cooperation, and under the mating reaction of third inclined-plane 511 and spring 400, the first sliding sleeve 200 is along the Three inclined-planes 511 rotation, until sliding block 210 moves to the apical position on third inclined-plane 511, at this point, sliding block 210 and confined planes 170 (enter in opposed position and prevent the secondary home used).It is red due to being arranged on the sliding block 210 of the first sliding sleeve 200 Mark, thus can see from the outside this red-label by transparent end cap 500 at this time, i.e., the visualization display label after use, Ensure secondary to use, i.e., spike body 120 is again at hidden state.

Press again the second sliding sleeve 300(i.e. secondary use when), under sliding block 210 and 170 mating reaction of confined planes, second The axial stroke of sliding sleeve 300 is less than the spacing between 120 upper end of 300 upper end of the second sliding sleeve and spike body i.e. the second sliding sleeve 300 It can not push completely, the needle point of spike body 120 can not stretch out in the outside of the second sliding sleeve 300, so that spike body 120 is still located In hidden state, because without puncturing skin.Strictly prevented the secondary risk used, using it is simple, conveniently, it is safe and reliable.

Shell 600 is put on after use, and the corollary apparatus is screwed off from novopen.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (10)

1. a kind of new type of safe novopen, which is matched, applies needle, including needle stand (100), spike body (120), spike body (120) It is fixedly installed on the inside of needle stand (100), it is characterised in that: it further include the hiding mechanism for hiding spike body (120), it is hidden Hiding mechanism includes the first sliding sleeve (200) and the second sliding sleeve (300), and the first sliding sleeve (200) and the second sliding sleeve (300) are sheathed on needle The outside of head ontology (120) is supported between the first sliding sleeve (200) and needle stand (100) and is equipped with spring (400), the upper end of needle stand (100) It is provided with the end cap (500) for the second sliding sleeve (300) to be carried out with axial limiting, and the second sliding sleeve (300) and end cap (500) are only Turn cooperation, the outer wall of the first sliding sleeve (200) is convexly equipped with sliding block (210), and the second sliding sleeve (300) is provided with to be cooperated with sliding block (210) Linkage slot, the upper end of sliding block (210) is provided with the first inclined-plane (211), and linkage slot includes corresponding with the first inclined-plane (211) Second inclined-plane (310) is located at the second inclined-plane (310) upper end and the stop surface (340) with sliding block (210) counter stopper；End cap (500) boss (510) of inner wall setting and sliding block (210) cooperation, the lower end of boss (510) is provided with and the first inclined-plane (211) Corresponding third inclined-plane (511), third inclined-plane (511) are located at the lower section on the second inclined-plane (310), and third inclined-plane (511) with In being staggered, the confined planes (170) with the lower end counter stopper of sliding block (210) are arranged in needle stand (100) on second inclined-plane (310), Confined planes (170) are located at the lower section on third inclined-plane (511), and sliding block (210) when being located in linkage slot with confined planes (170) structure At dislocation.

2. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that the stop surface (340) plane where is corresponding with the medium position of third inclined-plane (511).

3. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that the stop surface (340) plane where is corresponding with the end of confined planes.

4. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that first sliding sleeve (200) top axial extends to form extension (220), and the extension (220) is socketed in the second sliding sleeve (300).

5. a kind of new type of safe novopen according to claim 4, which is matched, applies needle, which is characterized in that the extension (220) upper surface is peripherally disposed burr (221).

6. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that the end cap (500) the axially disposed end cap sliding rail (520) of inner wall, outer wall setting and end cap sliding rail (520) of second sliding sleeve (300) are stopped Turn the guide chute (330) of sliding cooperation.

7. a kind of new type of safe novopen according to claim 6, which is matched, applies needle, which is characterized in that the needle stand (100) inner wall is convexly equipped with the needle stand sliding rail (150) with the sliding cooperation of guide chute (330) rotation stop, the needle stand sliding rail along axial direction (150) connect with end cap sliding rail (520).

8. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that the end cap (500) transparent material is used, color identifier is set on the sliding block (210).

9. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that the needle stand (100) it is arranged with shell (600) outside, the end cap (500), hiding mechanism are coated in shell (600).

10. a kind of new type of safe novopen according to claim 1, which is matched, applies needle, which is characterized in that the needle stand (100) the novopen department of assembly (130) that bottom end setting is threadedly engaged with insulin injection device, the bottom of spike body (120) End is inserted into novopen department of assembly (130).