CN208838784U - Safety type novopen needle - Google Patents
Safety type novopen needle Download PDFInfo
- Publication number
- CN208838784U CN208838784U CN201820726784.XU CN201820726784U CN208838784U CN 208838784 U CN208838784 U CN 208838784U CN 201820726784 U CN201820726784 U CN 201820726784U CN 208838784 U CN208838784 U CN 208838784U
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- China
- Prior art keywords
- needle
- backshank
- card column
- protector
- novopen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- 230000001012 protector Effects 0.000 claims abstract description 48
- 210000000078 claw Anatomy 0.000 claims abstract description 27
- 230000001681 protective effect Effects 0.000 claims description 22
- 238000005192 partition Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims 1
- 239000004744 fabric Substances 0.000 claims 1
- NOESYZHRGYRDHS-UHFFFAOYSA-N insulin Chemical compound N1C(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(NC(=O)CN)C(C)CC)CSSCC(C(NC(CO)C(=O)NC(CC(C)C)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CCC(N)=O)C(=O)NC(CC(C)C)C(=O)NC(CCC(O)=O)C(=O)NC(CC(N)=O)C(=O)NC(CC=2C=CC(O)=CC=2)C(=O)NC(CSSCC(NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2C=CC(O)=CC=2)NC(=O)C(CC(C)C)NC(=O)C(C)NC(=O)C(CCC(O)=O)NC(=O)C(C(C)C)NC(=O)C(CC(C)C)NC(=O)C(CC=2NC=NC=2)NC(=O)C(CO)NC(=O)CNC2=O)C(=O)NCC(=O)NC(CCC(O)=O)C(=O)NC(CCCNC(N)=N)C(=O)NCC(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC=CC=3)C(=O)NC(CC=3C=CC(O)=CC=3)C(=O)NC(C(C)O)C(=O)N3C(CCC3)C(=O)NC(CCCCN)C(=O)NC(C)C(O)=O)C(=O)NC(CC(N)=O)C(O)=O)=O)NC(=O)C(C(C)CC)NC(=O)C(CO)NC(=O)C(C(C)O)NC(=O)C1CSSCC2NC(=O)C(CC(C)C)NC(=O)C(NC(=O)C(CCC(N)=O)NC(=O)C(CC(N)=O)NC(=O)C(NC(=O)C(N)CC=1C=CC=CC=1)C(C)C)CC1=CN=CN1 NOESYZHRGYRDHS-UHFFFAOYSA-N 0.000 abstract description 40
- 102000004877 Insulin Human genes 0.000 abstract description 20
- 108090001061 Insulin Proteins 0.000 abstract description 20
- 238000002347 injection Methods 0.000 abstract description 20
- 239000007924 injection Substances 0.000 abstract description 20
- 229940125396 insulin Drugs 0.000 abstract description 20
- 238000000926 separation method Methods 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 4
- 230000001960 triggered effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004146 energy storage Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 101100334009 Caenorhabditis elegans rib-2 gene Proteins 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000496 pancreas Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to the field of medical instrument technology, especially a kind of safety type novopen needle for insulin injection.The safety type novopen needle of above structure has effectively been evaded by the setting of the one side non-return rib one of initial fixed bit cooperated with elastic card claw one and has been rotated novopen during pulling out needle because of part user and lead to the risk of syringe needle shielding failure；The setting that structure is protected by backshank, has effectively evaded the security risk that backshank easily hurts user；Meanwhile by the setting of the two side non-return rib two of initial fixed bit cooperated with elastic card claw two, effectively evade in novopen and the separation process of novopen needle, may will drive the rotation of backshank protector leads to the risk of backshank shielding failure.
Description
Technical field
The utility model relates to the field of medical instrument technology, especially a kind of safety type insulin for insulin injection
Needle.
Background technique
Novopen needle is a kind of conventional insulin injection device for insulin injection when treating diabetes, existing
Insulin injection device is many kinds of in technology, and the advantage and disadvantage of all types of novopen needles are also different.
Wherein the Chinese invention patent of Publication No. CN104491955A and international publication number are WO2016/066014A1
International application disclose a type of safety type novopen needle, the advantage of the novopen needle of this type is, note
It penetrates in insulin course, protector is triggered, and after the completion of injection, needle tip moment is protected, and needle point can be prevented to doctor
Raw or patient damages.
But the safety type novopen needle of the above-mentioned type, it has some defects, specific as follows:
(1) in the Chinese invention patent of Publication No. CN104491955A, touching is located under 13 original state of card column of needle stand
The initial fixed part 212 for sending out protector 2, during insulin injection, card column 13 enters changeover portion along the first lead segment 211
213 upper end, after the completion of injection and by syringe needle after patient skin extraction, under the action of the spring, card column is along changeover portion
Into the second lead segment 214, to realize trigger protection device to the automatic protection of syringe needle.
In user's above-mentioned novopen needle proper use of according to regulation, automatic guarantor of the above-mentioned trigger protection device to syringe needle
Shield is effective.But there is part user, toward when going out to pull out needle, to have after the completion of injection of insulin and rotate pancreas islet
The habit of plain needle, then in this process, due to the effect of rotation, card column 13 is very likely again introduced into the from changeover portion
In one lead segment 211, to return at initial fixed part 212, lead to automatic protection effect failure of the trigger protection device to syringe needle.
It is above-mentioned due to pulling out needle when rotation novopen needle the case where causing to the failure of the automatic protection of syringe needle, although small general
Rate event, still, or it is necessary to make improvement to above-mentioned novopen needle, to prevent this kind of small probability risk case from occurring.
(2) above-mentioned novopen needle is only provided with trigger protection device in needle end, and backshank end is still in naked state, according to
So there are the risks that backshank end damages user, therefore, it is necessary to improve to above-mentioned novopen needle, to prevent
Backshank end damages user.
Summary of the invention
There are two the technical problems to be solved in the utility model, one is how to solve because user's insulin injection is complete
Rotation causes the technological deficiency of automatic protection failure of the trigger protection device to syringe needle when pulling out needle after；The second is how to solve backshank
Hold the technological deficiency damaged to user.
In order to solve the above-mentioned technical problem, a kind of the technical scheme that the utility model is provided is as follows: safety type novopen
Needle includes at least:
Needle stand, needle tubing is equipped in the needle stand, and the needle tubing includes at least syringe needle and backshank；
Needle protecto, the needle protecto are sheathed on the syringe needle side of needle stand, the needle stand and needle protecto it
Between be equipped with the spring one that is compressed axially, the card column one being mutually matched and guide channel are equipped between the needle stand and needle protecto
One, the guide channel one includes at least the initial triggering lead segment one fixed section one and axially extended；
Cover for seat, the cover for seat is sheathed on the side on needle stand far from syringe needle, and the cover for seat is equipped at least one and institute
State the elastic card claw one of the outer wall contact of needle protecto；
The outer wall of the needle protecto is equipped with the initial fixed bit one matched with the elastic card claw one, described first
The side of beginning fixed bit one is equipped with for preventing card column one from entering initial fixed section when card column one is located in triggering lead segment one
One non-return rib one.
The safety type novopen needle of above structure, in insulin injection, needle protecto is triggered, and card column one is by first
Beginning fixed section one enters triggering lead segment one；During pulling out needle after the completion of injection of insulin, in the elastic masterpiece of spring one
Under, needle protecto with respect to needle stand be axially moved, wherein card column one and triggering lead segment one cooperation realize be oriented to, due to
The side of initial fixed bit is provided with non-return rib one, as the user of habit of the minority when pulling out needle with rotation novopen
When rotation, non-return rib one plays the role of that elastic card claw one is prevented to be again introduced into initial fixed bit one, i.e., card column one can only
It moves along triggering lead segment one and initial fixed section one cannot be again introduced into.
The safety type novopen needle of above structure has effectively been evaded by simple structure setting because part uses
Rotation causes the risk of automatic protection failure of the trigger protection device to syringe needle when pulling out needle after the completion of person's insulin injection, so that syringe needle
Protector is safer and more reliable to the automatic protection of syringe needle.
A kind of preferred embodiment, the card column one are set to the outer wall of needle stand, and the guide channel one is set to needle protecto
On.
A kind of preferred embodiment, the card column one being mutually matched along the circumferential direction being uniformly arranged including at least two groups and leads
Approaching channel one.In the embodiment, when the card column one more than two being mutually matched and guide channel one are along the circumferential direction uniformly arranged, needle
Head protection device is more stable with respect to the axial movement of needle stand.
A kind of preferred embodiment, the card column one are set in cantilever design.The embodiment of the structure, by by card column one
In cantilever design, the assembly between needle protecto and needle stand is completed convenient for the deformation using cantilever design.
A kind of preferred embodiment, the elastic card claw one are equipped with a pair with the side that initial fixed bit one cooperates and set relatively
The dog set is partition section compatible with the non-return rib one between a pair of dog.In the structure of the embodiment,
Under original state, a pair of of dog is ridden on non-return rib one
A kind of preferred embodiment, backshank one end inside of the needle stand are equipped with backshank and protect structure, the backshank protection
Structure includes protective case and backshank protector, and the spring two being compressed axially, institute are equipped between the protective case and backshank protector
It states and is equipped with the card column two being mutually matched and guide channel two between protective case and backshank protector, the guide channel two includes at least just
Beginning fixed section two and the triggering lead segment two axially extended.In the structure of the embodiment, in novopen and novopen needle
Backshank protector is triggered during screwing connection, and spring two is in the state of compressed energy-storage, completes in injection of insulin
Afterwards, in novopen and the separation process of novopen needle, under the resilient force of spring two and card column two is guided with triggering
Under the guiding role of section two, backshank protector is axially moved with respect to needle stand and is completely covered backshank, is triggered by being arranged in backshank
Principle backshank protector identical with needle protecto efficiently solves needle tail part and may hurt the technology of user and asks
Topic.
A kind of preferred embodiment, the card column two being mutually matched along the circumferential direction being uniformly arranged including at least two groups and leads
Approaching channel two, the card column two are set to the outer wall of backshank protector, and the guide channel two is set on protective case.
A kind of safety type novopen needle includes at least needle stand, is equipped with needle tubing in the needle stand, the needle tubing at least wraps
Syringe needle and backshank are included, backshank is equipped with inside backshank one end of the needle stand and protects structure, the backshank protection structure includes protection
Set and backshank protector are equipped with protective case and backshank described in the spring two being compressed axially between the protective case and backshank protector
The card column two being mutually matched and guide channel two are equipped between protector, the guide channel two includes at least initial fixed section two and edge
Axially extending triggering lead segment two；The elastic card claw contacted with the outer wall of the backshank protector is additionally provided on the protective case
Two, the outer wall of the backshank protector is equipped with the initial fixed bit two matched with the elastic card claw two, described initial solid
The side of positioning two is equipped with for preventing card column two from entering initial fixed section two when card column two is located in triggering lead segment two
Non-return rib two.
The safety type novopen needle of above structure has following technical advantage:
(1) backshank protector is triggered during novopen is screwed with novopen needle and connect, and at spring two
In the state of compressed energy-storage, after the completion of injection of insulin, in novopen and the separation process of novopen needle, in spring two
Under resilient force and card column two is under the guiding role of triggering lead segment two, and backshank protector is axially moved simultaneously with respect to needle stand
Backshank is completely covered, by the way that backshank protector is arranged in backshank, efficiently solving needle tail part may hurt user's
Technical problem.
(2) due to during novopen and novopen needle rotating separation, due to the resilient force of spring two,
The free end end face of backshank protector is remained with the end face of novopen and is contacted, then rubbing when rotating novopen
Wipe power under the action of, it is most likely that drive backshank protector rotate simultaneously, thus with card column two by triggering lead segment two again
The risk for leading to backshank shielding failure into initial fixed section two, by the initial fixed bit two cooperated with elastic card claw two
Non-return rib two is arranged in side, and elastic card claw two can be effectively prevented because rotating into initial fixed bit two, that is, prevent card column two
Initial fixed section two is again introduced by triggering lead segment two, thus thoroughly solve the technical issues of above-mentioned backshank shielding failure,
With structure, simple, backshank protects reliable technical advantage.
A kind of preferred embodiment, the card column two are set to the outer wall of backshank protector, and the guide channel two is set to protection
It puts on.
A kind of preferred embodiment, the card column two being mutually matched along the circumferential direction being uniformly arranged including at least two groups and leads
Approaching channel two.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the present embodiment safety type novopen needle；
Fig. 2 is the schematic cross-sectional view of safety type novopen needle shown in Fig. 1；
Fig. 3 is that the syringe needle of safety type novopen needle shown in Fig. 1 protects the explosive state schematic diagram of structure；
Fig. 4 is that the backshank of safety type novopen needle shown in Fig. 1 protects the explosive state schematic diagram of structure；
Description of symbols:
10- needle stand, 11- needle tubing, 111- syringe needle, 112- backshank, 12- spring one, 13- card column one, 14- cantilever design, 15-
Backshank protects chamber, and 20- needle protecto, 21- guide channel one, the initial fixed section one of 211-, 212- triggers lead segment one, at the beginning of 22-
Beginning fixed bit one, 23- non-return rib one, 24- guide ramp, 25- guiding face one, 30- cover for seat, 31- elastic card claw one, 32- is convex
Pawl, 33- separate section, 40- protective case, 41- elastic card claw two, 42- guide channel two, the initial fixed section two of 421-, 422- triggering
Lead segment two, 50- backshank protector, the initial fixed bit two of 51-, 52- non-return rib two, 53- guiding face two, 54- card column two,
60- spring two.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Embodiment one
As shown in Figure 1 and Figure 2, a kind of safety type novopen needle of the present embodiment includes at least needle stand 10, syringe needle is protected
Device 20 and cover for seat 30.Needle tubing 11 wherein is installed in needle stand 10, which includes at least syringe needle 111 and backshank 112, syringe needle
It is then infusion access between 111 and backshank 112.
As shown in Figure 1-3, in the present embodiment, the needle protecto 20 is sheathed on the syringe needle side of needle stand 20, and
The spring 1 being compressed axially is equipped between needle stand and needle protecto.Further, in the present embodiment, the needle stand and syringe needle
The card column 1 being mutually matched and guide channel 1 are equipped between protector, wherein guide channel 1 includes initial fixed section one
211 and the triggering lead segment 1 that axially extends.
Preferably, card column one is set to the outer wall of needle stand in the present embodiment, guide channel one is set on needle protecto.When
So, as the technical solution of equivalent substitute, card column one can also be set to the inner wall of needle protecto, and guide channel one is set to needle stand
On.In this embodiment, as preferred embodiment, the card column one is set in cantilever design.The embodiment of the structure is led to
It crosses and card column one is set in cantilever design 14, the dress between needle protecto and needle stand is completed convenient for the deformation using cantilever design
Match.
As a kind of preferred embodiment of the present embodiment, the card column one and guide channel one being mutually matched are two groups or three groups
And it is along the circumferential direction uniformly arranged.In the embodiment, when the card column one more than two being mutually matched and guide channel one are circumferentially square
To when being uniformly arranged, needle protecto is more stable with respect to the axial movement of needle stand.
Further, in the present embodiment, cover for seat 30 is sheathed on the side on needle stand far from syringe needle, and the cover for seat is equipped with
At least one elastic card claw 1 contacted with the outer wall of the needle protecto.The effect of elastic card claw one is, prevents needle
Head protection device opposite axial reverse movement in needle stand edge after protection in place.Preferably, the quantity of elastic card claw one be two or
Three, and be preferably along the circumferential direction uniformly distributed.
Structure described above is the prior art, the improvement that the present embodiment is different from the prior art in following emphasis
It describes in detail.
In the improvement embodiment of the present embodiment, as shown in figure 3, the outer wall of needle protecto is equipped with and the elastic card
The initial fixed bit 1 that pawl one matches, the side of the initial fixed bit 1 are equipped with for leading when card column 1 is located at triggering
Prevent card column one from entering the non-return rib 1 of initial fixed section 1 when drawing in section 1.
A kind of preferred embodiment, each side for being enclosed initial fixed bit one is guide ramp 24, is being triggered
Cheng Zhong, convenient for elastic card claw one by being skidded off in initial fixed bit one.
The side of a kind of preferred embodiment, the elastic card claw one and the cooperation of initial fixed bit one is equipped with a pair of opposite
The dog 32 of setting is partition section 33 compatible with the non-return rib 1 between a pair of dog.The embodiment
Structure in, under original state, a pair of of dog is ridden on non-return rib one.Certainly, as alternative equivalent embodiments,
The quantity of dog can be with only one, and dog can also be fully located in the initial state in initial fixed bit one.
The safety type novopen needle of above structure, in insulin injection, needle protecto is triggered, and card column one is by first
Beginning fixed section one enters triggering lead segment one；During pulling out needle after the completion of injection of insulin, in the elastic masterpiece of spring one
Under, needle protecto is axially moved with respect to needle stand, and wherein the cooperation of card column one and triggering lead segment one, which is realized, is oriented to, elastic card
Pawl one is remained with guiding face 1 and is contacted, due to being provided with non-return rib one in the side of initial fixed bit, when minority exists
When pulling out needle when user's rotation of the habit with rotation novopen, non-return rib one, which plays, prevents elastic card claw one by leading
Draw the effect that face one is again introduced into initial fixed bit one, i.e. card column one can only be moved along triggering lead segment one and cannot be again introduced into
Initial fixed section one.
The safety type novopen needle of above structure has effectively been evaded by simple structure setting because part uses
Rotation causes the risk of automatic protection failure of the trigger protection device to syringe needle when pulling out needle after the completion of person's insulin injection, so that syringe needle
Protector is safer and more reliable to the automatic protection of syringe needle.
Embodiment two
As shown in Figure 2, Figure 4 shows, the safety type novopen needle of the present embodiment, on the basis of example 1, Yu Suoshu needle
It is provided with backshank inside backshank one end of seat and protects structure.In the present embodiment, it includes being set to backshank to protect which, which protects structure,
Protective case 40 and backshank protector 50 in chamber 15.It is wherein equipped with and is compressed axially between the protective case 40 and backshank protector 50
Spring 2 60, and, the card column 2 54 that is mutually matched and guide channel 2 42 are equipped between the protective case and backshank protector,
Wherein guide channel 2 42 includes the initial triggering lead segment 2 422 fixed section 2 421 and axially extended.
A kind of preferred embodiment, as shown in figure 4, the card column two is set to the outer wall of backshank protector, the guiding
Slot two is set on protective case.Certainly, as alternative equivalent embodiments, card column two can also be set on protective case, and be led
Approaching channel two is set on backshank protector.
In the structure of the embodiment, backshank protector is touched during novopen is screwed with novopen needle and connect
Hair, and spring two is in the state of compressed energy-storage, after the completion of injection of insulin, novopen and the separation process of novopen needle
In, under the resilient force of spring two and card column two is under the guiding role of triggering lead segment two, and backshank protector is opposite
Needle stand is axially moved and is completely covered backshank, is protected by the way that trigger theory backshank identical with needle protecto is arranged in backshank
Device efficiently solves the technical issues of needle tail part may hurt user.
Embodiment three
As shown in Figure 2, Figure 4 shows, a kind of safety type novopen needle of the present embodiment, on the basis of example 2, the guarantor
It is additionally provided with the elastic card claw 2 41 contacted with the outer wall of the backshank protector on sheath, is wherein set on the outer wall of backshank protector
There is the initial fixed bit 2 51 matched with the elastic card claw two, the side of the initial fixed bit 2 51 is equipped with for working as card column
Two prevent card column two into the non-return rib 2 52 of initial fixed section two when being located in triggering lead segment two.
The safety type novopen needle of above structure has following technical advantage:
(1) backshank protector is triggered during novopen is screwed with novopen needle and connect, and at spring two
In the state of compressed energy-storage, after the completion of injection of insulin, in novopen and the separation process of novopen needle, in spring two
Under resilient force and card column two is under the guiding role of triggering lead segment two, and backshank protector is axially moved simultaneously with respect to needle stand
Backshank is completely covered, by the way that backshank protector is arranged in backshank, efficiently solving needle tail part may hurt user's
Technical problem.
(2) due to during novopen and novopen needle rotating separation, due to the resilient force of spring two,
The free end end face of backshank protector is remained with the end face of novopen and is contacted, then rubbing when rotating novopen
Wipe power under the action of, it is most likely that drive backshank protector rotate simultaneously, thus with card column two by triggering lead segment two again
The risk for leading to backshank shielding failure into initial fixed section two, by the initial fixed bit two cooperated with elastic card claw two
Non-return rib two is arranged in side, and elastic card claw two can be effectively prevented because rotating and enter initial fixed bit two by guiding face 2 53,
Card column two is prevented to be again introduced into initial fixed section two by triggering lead segment two, to thoroughly solve above-mentioned backshank shielding failure
The technical issues of, with structure, simple, backshank protects reliable technical advantage.
It should be noted that the backshank protection structure in the embodiment three can both be protected with the syringe needle in embodiment one and be tied
Structure is used cooperatively, and structure can also be protected to use independently of the syringe needle in embodiment one.
In short, the above is only the preferred embodiment of the utility model only, it is not intended to limit the utility model, it is all
Any modifications, equivalent replacements, and improvements made within spirit of the present utility model and principle etc. should be included in practical
Within novel protection scope.
Claims (10)
1. a kind of safety type novopen needle, includes at least:
Needle stand (10) is equipped with needle tubing (11) in the needle stand, and the needle tubing includes at least syringe needle (111) and backshank (112)；
Needle protecto (20), the needle protecto are sheathed on the syringe needle side of needle stand, the needle stand and needle protecto it
Between be equipped with the spring one (12) that is compressed axially, be equipped between the needle stand and needle protecto the card column one (13) being mutually matched and
Guide channel one (21), the triggering lead segment one that the guide channel one includes at least initial fixed section one (211) and axially extends
(212)；
Cover for seat (30), the cover for seat is sheathed on the side on needle stand far from syringe needle, and the cover for seat is equipped at least one and institute
State the elastic card claw one (31) of the outer wall contact of needle protecto；
It is characterized in that, the outer wall of the needle protecto is equipped with the initial fixed bit one matched with the elastic card claw one
(22), the side of the initial fixed bit one is equipped with for preventing card column one from entering when card column one is located in triggering lead segment one
The non-return rib one (23) of initial fixed section one.
2. safety type novopen needle described in accordance with the claim 1, which is characterized in that the card column one is set to the outer of needle stand
Wall, the guide channel one are set on needle protecto.
3. safety type novopen needle according to claim 1 or 2, which is characterized in that circumferentially square including at least two groups
To the card column one being mutually matched and guide channel one being uniformly arranged.
4. safety type novopen needle described in accordance with the claim 1, which is characterized in that the card column one is set to cantilever design
(14) on.
5. safety type novopen needle described in accordance with the claim 1, which is characterized in that the elastic card claw one is fixed with initial
The side of one cooperation of position is equipped with the dog (32) of a pair of opposing, is and one phase of non-return rib between a pair of dog
The partition section (33) of adaptation.
6. according to safety type novopen needle described in claims 1 or 2 or 4 or 5, which is characterized in that the backshank of the needle stand
It is equipped with backshank inside one end and protects structure, the backshank protection structure includes protective case (40) and backshank protector (50), described
It is equipped with the spring two (60) being compressed axially between protective case and backshank protector, is equipped between the protective case and backshank protector
The card column two (54) and guide channel two (42) being mutually matched, the guide channel two include at least initial fixed section two (421) and edge
Axially extending triggering lead segment two (422).
7. safety type novopen needle according to claim 6, which is characterized in that along the circumferential direction equal including at least two groups
The card column two being mutually matched and guide channel of cloth setting, the card column two are set to the outer wall of backshank protector, the guide channel two
On protective case.
8. a kind of safety type novopen needle includes at least needle stand (10), needle tubing (11), the needle tubing are installed in the needle stand
Including at least syringe needle (111) and backshank (112), which is characterized in that be equipped with backshank protection knot inside backshank one end of the needle stand
Structure, the backshank protection structure includes protective case (40) and backshank protector (50), between the protective case and backshank protector
Be equipped with equipped with the spring two (60) being compressed axially, between the protective case and backshank protector the card column two (54) that is mutually matched and
Guide channel two (42), the triggering lead segment two that the guide channel two includes at least initial fixed section two (421) and axially extends
(422)；The elastic card claw two (41) contacted with the outer wall of the backshank protector is additionally provided on the protective case, the backshank is protected
The outer wall of shield device is equipped with the initial fixed bit two (51) that matches with the elastic card claw two, and the one of the initial fixed bit two
Side is equipped with the non-return rib two for preventing card column two from entering initial fixed section two when card column two is located in triggering lead segment two
(52).
9. safety type novopen needle according to claim 8, which is characterized in that the card column two is set to backshank protector
Outer wall, the guide channel two be set to protective case on.
10. according to safety type novopen needle described in claim 8 or 9, which is characterized in that circumferentially square including at least two groups
To the card column two being mutually matched and guide channel two being uniformly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726784.XU CN208838784U (en) | 2018-05-16 | 2018-05-16 | Safety type novopen needle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820726784.XU CN208838784U (en) | 2018-05-16 | 2018-05-16 | Safety type novopen needle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208838784U true CN208838784U (en) | 2019-05-10 |
Family
ID=66351485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820726784.XU Withdrawn - After Issue CN208838784U (en) | 2018-05-16 | 2018-05-16 | Safety type novopen needle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208838784U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543169A (en) * | 2018-05-16 | 2018-09-18 | 普昂(杭州)医疗科技有限公司 | A kind of safety type novopen needle |
-
2018
- 2018-05-16 CN CN201820726784.XU patent/CN208838784U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108543169A (en) * | 2018-05-16 | 2018-09-18 | 普昂(杭州)医疗科技有限公司 | A kind of safety type novopen needle |
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Address after: 8 / F, building 1, 1388 cangxing street, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Puang (Hangzhou) Medical Technology Co.,Ltd. Address before: No.12 Longtan Road, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: PROMISEMED HANGZHOU MEDITECH Co.,Ltd. |
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Granted publication date: 20190510 Effective date of abandoning: 20231201 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20190510 Effective date of abandoning: 20231201 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |