CN109316650A - The safe injection of insulin syringe needle of improved rotary formula - Google Patents
The safe injection of insulin syringe needle of improved rotary formula Download PDFInfo
- Publication number
- CN109316650A CN109316650A CN201811339474.3A CN201811339474A CN109316650A CN 109316650 A CN109316650 A CN 109316650A CN 201811339474 A CN201811339474 A CN 201811339474A CN 109316650 A CN109316650 A CN 109316650A
- Authority
- CN
- China
- Prior art keywords
- anterior cannula
- middle set
- limited block
- rotation pipe
- syringe needle
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3202—Devices for protection of the needle before use, e.g. caps
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3205—Apparatus for removing or disposing of used needles or syringes, e.g. containers; Means for protection against accidental injuries from used needles
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/178—Syringes
- A61M5/31—Details
- A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
- A61M5/3287—Accessories for bringing the needle into the body; Automatic needle insertion
- A61M2005/3289—Accessories for bringing the needle into the body; Automatic needle insertion with rotation of the needle, e.g. to ease penetration
Abstract
A kind of safe injection of insulin syringe needle of improved rotary formula, including needle body, middle set, anterior cannula and spring, it is characterised in that: rotation pipe is equipped in middle set, rotation pipe outer rim is equipped with incline track；Corresponding to incline track, ramp effect portion is equipped on the inner edge of anterior cannula；It is equipped with first pair of front end position limiting structure between rotation pipe and anterior cannula, second pair of front end position limiting structure and locking anti-back structure are equipped between anterior cannula and middle set.When the present invention is using push syringe needle; the movement backward of anterior cannula; to drive rotation pipe to rotate; cause first pair of front end position limiting structure that dislocation and failure is circumferentially occurring; then anterior cannula is locked using second pair of front end position limiting structure and locking anti-back structure, to efficiently solve the problems, such as using the locking protection of rear anterior cannula.
Description
Technical field
The present invention relates to medical injection of insulin tool, in particular to a kind of safe insulin injection syringe of improved rotary formula
Head.This injection needle and novopen, which match, can be used for automedication or other people are administered, and wherein novopen is repeatable
It uses, and injection needle is disposable syringe needle.Injection needle feature of the present invention is made in injection needle using puncture movement
The rotating member in portion rotates, to enter forward tip protected mode after use.
Background technique
Diabetes are a kind of metabolic diseases characterized by hyperglycemia, the method that there is no radical cure at present, but give patient's note
The state of an illness can effectively be controlled by penetrating insulin.
The injection tool of insulin is varied, wherein injection of insulin syringe needle of the present invention is a kind of and insulin
The matching used injection tool of pen, wherein novopen carries the insulin fluid drug of specified amount, reusable, and injects
Syringe needle is a kind of disposable syringe needle with safety guard.
Chinese patent CN204395141U bulletin authorizes one entitled " a kind of safety type novopen needle " practical
New patent.The patent is related to injection of insulin syringe needle, although structure is simple, have the disadvantage in that 1. due to structure excessively
Simply, it cannot be guaranteed that its operation is stable and reliable；2. front-end protection can only be carried out after product use, rear end protection not can be carried out,
It can not realize and link with front-end protection rear end is set and is protected；3. the locking of front-end protection structure has directionality, therefore
Its stability locked and reliability be not high.
For this purpose, the angle for the safety and reliability that the present invention is used from injection of insulin syringe needle is started with, design one is striven
Kind structure is simple, the operation is stable, and locks and protect reliable injection of insulin syringe needle.
Summary of the invention
The shortcomings that pointing out in view of the above prior art, the present invention provide a kind of safe insulin injection syringe of improved rotary formula
Head, its purpose is to solve simply and on the basis of the operation is stable, to take into account the reliable problem of locking protection in structure.
In order to achieve the above objectives, the technical solution adopted by the present invention is that: a kind of safe injection of insulin of improved rotary formula
Syringe needle, comprising:
Needle body, the needle body front end are injection portion, and rear end is linkage section.
Middle set, set is tube structure in this, and the front end of middle set is equipped with through-hole, and the rear end of middle set is connected with or is arranged useful
To connect the structure of novopen.
Anterior cannula, the anterior cannula are used to protect the injection portion of needle body, and the main structure of anterior cannula is tube body.
Spring, the spring are used to push to anterior cannula the protective position of needle body injection portion.
Its innovation is: including a rotation pipe, the main structure of the rotation pipe is tube body.
Between the rotation pipe and anterior cannula, one is equipped with the first limited block, and another one is equipped with third limited block；The
One limited block is equipped with the first confined planes, and third limited block is equipped with third confined planes, the first confined planes on the first limited block
It is engaged with the third confined planes on third limited block and to be stretched out axially forward for limiting anterior cannula phase centered cover in front end
First distance.
Between the anterior cannula and middle set, one is equipped with the second limited block, and another one is equipped with the 4th limited block；Second
Limited block is equipped with the second confined planes, and the 4th limited block is equipped with the 4th confined planes, the second confined planes on the second limited block with
The 4th confined planes on 4th limited block are engaged stretched out axially forward for limiting anterior cannula phase centered cover in front end
Two distances.Second distance is greater than first distance.
Between the rotation pipe and anterior cannula, one is equipped with incline track, and another one is equipped with ramp effect portion；Inclined-plane
Track is constituted relative to the inclined inclined-plane of tube body axis or helicoid as guide surface by one section, ramp effect portion and incline track
Cooperation can force rotation pipe to rotate circumferentially.
Between the anterior cannula and middle set, one is equipped with elastic piece, and another one is equipped with anti-back card slot；Elastic piece effect
End falls into anti-back card slot to be used to limit anterior cannula phase centered cover and retract axially backward；Elastic piece effect end falls into anti-back card slot
The position of middle cooperation corresponds to the second distance that anterior cannula phase centered cover stretches out axially forward in front end.
Under using preceding assembled state, needle body is located in middle set, and phase centered cover is positioned and fixed；Rotation pipe is located at middle set
It is interior, and phase centered cover connects in axially position and is circumferentially rotating connection simultaneously；Anterior cannula rear portion is protruded into middle set, and is sleeved on and is turned
Dynamic pipe is outer or rotation pipe in, anterior cannula front therefrom covers to be stretched out in the through-hole of front end, and anterior cannula and middle set slide axially company
It connecing, spring is located in middle set, and spring rear end is positioned relative to middle set, and spring at front end is resisted against in anterior cannula, and at this time described first
The first confined planes on limited block are engaged with the third confined planes on third limited block, make anterior cannula phase centered cover in axial direction
It forward extends out as the first distance, the ramp effect portion is arranged corresponding to incline track in this case.
In a state of use, when pushing injection of insulin syringe needle, anterior cannula phase centered cover is moved axially backward, and inclined-plane is made
It is cooperated with portion and incline track, and rotation pipe is forced to rotate with respect to anterior cannula circumferentially, lead to the first limited block phase
It misplaces for third limited block circumferentially；When extracting injection of insulin syringe needle, spring pushes anterior cannula to move forward, directly
The second confined planes on to the second limited block are engaged with the 4th confined planes on the 4th limited block, make anterior cannula phase centered cover
It is the second distance stretching out axially forward, elastic piece effect end falls into anti-back card slot and cooperates in this case, and before making
Casing enters front-end protection state.
Related content in above-mentioned technical proposal is explained as follows:
1. in above scheme, " front end ", " front ", " preceding " in " forward " refer to the safe insulin injection syringe of the present invention
The direction of head injection portion needle point meaning." rear end ", " rear portion ", " rear " in " backward " refer to the opposite direction of " preceding ".
2. in above scheme, being usually additionally provided with housing on the outside of the middle set, which is tube-in-tube structure, described for protecting
Injection of insulin syringe needle is whole.In the present invention since housing is unrelated with innovative point, in explanatory note and attached drawing
It is omitted.
3. in above scheme, the tail-hood for protecting needle body linkage section can also be included.Tail-hood is for protecting needle body to connect
Connect the rear end protection structure of section.In the present invention since innovative point is in front-end protection structure, tail-hood is set and is not provided with tail
Lid is all contained in above scheme.
4. it is described " rear end of middle set is connected with or is provided with the structure for connecting novopen " in above scheme,
Its meaning refers to two kinds of situations, it is a kind of refer to for the structure for connecting novopen be set up directly in put on, another kind refers to
For connect the structure of novopen by another component be connected in put on, form the relationship being arranged indirectly.Wherein, described
" for connecting the structure of novopen " is the prior art, usually screw connection structure, is also possible to grafting rotation lock and buckles
Structure etc..
Design principle and effect of the present invention are: the present invention relates to a kind of needs and the matching used safe pancreas islet of novopen
Plain injection needle.In order to keep structure simply and the operation is stable this feature, while solving the problems, such as reliable, this hair of locking protection
Bright technical concept is as follows:
First, a rotation pipe is arranged in the present invention in middle set, and between rotation pipe and anterior cannula, one is equipped with inclined-plane rail
Road, another one are equipped with ramp effect portion.When pushing forward with injection of insulin syringe needle, anterior cannula moves backward and with turn
Dynamic pipe rotation.
Second, present invention design has two pairs of front end position limiting structures, and first pair of front end position limiting structure is by rotation pipe and anterior cannula
Between set the first limited block and third limited block constitute, before the first limited block and third confined planes are engaged for limiting
The first distance that casing phase centered cover stretches out axially forward in front end；Second pair of front end position limiting structure is by between anterior cannula and middle set
The second set limited block and the 4th limited block are constituted, and the second limited block and the 4th limited block are engaged for limiting anterior cannula
The second distance that phase centered cover stretches out axially forward in front end；Second distance is greater than first distance.
Third, for the present invention between anterior cannula and middle set, one is equipped with elastic piece, and another one is equipped with anti-back card slot.
Elastic piece effect end is fallen into anti-back card slot, and limitation anterior cannula phase centered cover is retracting axially backward.Correspond to anterior cannula at this time
The second distance that phase centered cover stretches out axially forward in front end.
4th, using under preceding assembled state, anterior cannula phase centered cover slides axially connection, and rotation pipe phase centered cover exists
Axially position connection is circumferentially rotating connection simultaneously.In this case since the press of spring acts on the first limited block and third limits
Position block is engaged, and stretches out anterior cannula phase centered cover axially forward for first distance.
5th, in a state of use, when pushing injection of insulin syringe needle, anterior cannula phase centered cover is moved axially backward,
It forces rotation pipe to rotate with respect to anterior cannula circumferentially, causes the first limited block that mistake is circumferentially occurring relative to third limited block
Position；When extracting injection of insulin syringe needle, spring pushes anterior cannula to move forward, and the second limited block is contacted with the 4th limited block matches
It closes, stretches out anterior cannula phase centered cover axially forward for second distance, in this case the elastic piece suspension effect in anterior cannula
End is fallen on middle set to be cooperated in anti-back card slot, and enters front-end protection state.
In short, when the present invention is using push injection of insulin syringe needle, the movement backward of anterior cannula, to drive rotation pipe
It rotates, and prevents the cooperation of anterior cannula rollback structure by two pairs of front end position limiting structures and one, so that efficiently solving makes
The problem of protecting is locked with rear anterior cannula.This programme technical concept is ingenious, and design scheme is reasonable, and structure is simple, protheca when use
The soft, guiding of having an effect that pushes away of pipe is stablized, and the locking using rear anterior cannula is reliable, has substantive distinguishing features outstanding and significant skill
Art progress has fully demonstrated terseness, stability and the reliability of the design of injection of insulin syringe needle safety protection structure.
Detailed description of the invention
Attached drawing 1 is safe the first view stereo of the injection of insulin syringe needle figure of the embodiment of the present invention；
Attached drawing 2 is safe the second view stereo of the injection of insulin syringe needle figure of the embodiment of the present invention；
Attached drawing 3 is the safe injection of insulin syringe needle stereogram exploded view of the embodiment of the present invention；
Attached drawing 4 is to cover the first view stereo figure in the embodiment of the present invention；
Attached drawing 5 is to cover the second view stereo figure in the embodiment of the present invention；
Attached drawing 6 is that third view stereo figure is covered in the embodiment of the present invention；
Attached drawing 7 is to cover the first visual angle partial cutaway perspective view in the embodiment of the present invention；
Attached drawing 8 is to cover the second visual angle partial cutaway perspective view in the embodiment of the present invention；
Attached drawing 9 is the first view stereo of anterior cannula of embodiment of the present invention figure；
Attached drawing 10 is the second view stereo of anterior cannula of embodiment of the present invention figure；
Attached drawing 11 is anterior cannula of embodiment of the present invention third view stereo figure；
Attached drawing 12 is the first view stereo of rotation pipe of embodiment of the present invention figure；
Attached drawing 13 is the second view stereo of rotation pipe of embodiment of the present invention figure；
Attached drawing 14 is rotation pipe of embodiment of the present invention third view stereo figure；
Attached drawing 15 is the first view stereo of thread bush of embodiment of the present invention figure；
Attached drawing 16 is the second view stereo of thread bush of embodiment of the present invention figure；
Attached drawing 17A is the combination stereogram of anterior cannula and rotation pipe under original state of the embodiment of the present invention；
Attached drawing 17B is the perspective view of middle set and anterior cannula and rotation pipe corresponding relationship under original state of the embodiment of the present invention；
Attached drawing 17C is the combination stereogram of middle set under original state of the embodiment of the present invention, anterior cannula and rotation pipe；
Attached drawing 18A is the combination stereogram of anterior cannula and rotation pipe under anterior cannula of embodiment of the present invention compressive state；
Attached drawing 18B is the solid of middle set and anterior cannula and rotation pipe corresponding relationship under anterior cannula of embodiment of the present invention compressive state
Figure；
Attached drawing 18C is the combination stereogram of middle set under anterior cannula of embodiment of the present invention compressive state, anterior cannula and rotation pipe；
Attached drawing 19A is the combination stereogram of anterior cannula and rotation pipe under anterior cannula of embodiment of the present invention rebound state；
Attached drawing 19B is the solid of middle set and anterior cannula and rotation pipe corresponding relationship under anterior cannula of embodiment of the present invention rebound state
Figure；
Attached drawing 19C is the combination stereogram of middle set under anterior cannula of embodiment of the present invention rebound state, anterior cannula and rotation pipe；
Attached drawing 20 is that the embodiment of the present invention uses preceding schematic diagram；
Attached drawing 21 is that the embodiment of the present invention uses rear schematic diagram；
Attached drawing 22 is that another embodiment of the present invention uses preceding schematic diagram；
Attached drawing 23 is that another embodiment of the present invention uses rear schematic diagram.
In the figures above:
1. needle body；
2. thread bush；21. needle stand；22. sleeve；23. arcuate socket；24. longitudinal rib；25. limited bayonet；26. technology groove；
It is covered in 3.；31. anti-back card slot；32. the 4th limited block；33. being oriented to convex ribs；34. slot；35. positioning wedged block；
4. anterior cannula；41. elastic piece；42. third limited block；43. guide chute；44. the second limited block；45. ramp effect portion；
46. needle outlet；47. fabrication hole；
5. rotation pipe；51. incline track；52. facing track directly；53. the first limited block；54. selling hook；
6. spring；
7. first distance；
8. second distance；
9. axis.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and embodiments:
Embodiment: (band forward tip is protected, and is protected without rear end needle point for a kind of safe injection of insulin syringe needle of improved rotary formula
Shield)
As illustrated in figs. 1-16, which includes needle body 1, middle set 3, thread bush 2, anterior cannula 4, spring 6 and turns
Dynamic pipe 5(is shown in Fig. 3).It is usually additionally provided with housing (also known as " big sheath ") as complete product injection of insulin syringe needle, housing is
Tube-in-tube structure usually covers in middle 3 outside of set, for protecting the injection of insulin syringe needle whole.In this embodiment due to housing
It is unrelated with innovative point of the present invention, therefore omitted in following explanatory note and attached drawing.
Each component structural of the present embodiment injection of insulin syringe needle is described in turn below:
1. needle body 1
The needle body 1 is the pipe needle for being used for insulin injection, which has the injection that extreme direction extends forward
Section, a linkage section and a fixed section between injection portion and linkage section that extreme direction extends backward.
Set 3 and thread bush 2 in 2.
The fixed split of both the middle set 3 and thread bush 2 is integral (see the rear portion of Fig. 1 and Fig. 2).The entirety is in injection of insulin
Main casing is equivalent in syringe needle, for accommodating other components.The middle set 3 is tube structure (see Fig. 4-Fig. 6), middle set 3
Front end is equipped with through-hole, and the rear end of middle set 3 is fixedly set in outside thread bush 2, i.e., is fixedly installed a thread bush 2, spiral shell in middle set 3
Line set 2 is made of needle stand 21 and sleeve 22 (see Figure 15 and Figure 16), and needle stand 21 is fixedly connected on the front end of sleeve 22, and needle stand 21 is used
Needle body 1 is fixed, i.e. the fixed section of needle body 1 is fixed on needle stand 21, and the injection portion of needle body 1 is stretched out from needle stand 21 front end, needle body 1
Linkage section from 21 rear end of needle stand stretch out.22 inner edge of sleeve is equipped with the internal screw thread for being used to connect novopen.Actually screw thread
The rear end of set 2 can use thread connecting mode for connecting novopen, connection structure, can also be using plug connection side
Formula, can also be using plug rotation snap fit etc..In the present embodiment, thread connecting mode is shown in thread bush 2.
22 outer rim of sleeve of the thread bush 2 is equipped with longitudinal rib 24, and longitudinal rib 24 is equipped with limited bayonet 25(and sees Figure 15
And Figure 16).Corresponding to longitudinal rib 24, slot 34(is shown in Fig. 7 and Fig. 8 on middle 3 inner edge of set), correspond to limited bayonet 25, is inserting
Slot 34 is equipped with positioning wedged block 35(and sees Fig. 7 and Fig. 8), under using preceding assembled state, longitudinal rib 24 and slot 34 cooperate, positioning
Bayonet 25 and positioning wedged block 35 cooperate, and are fixedly connected with 2 phase centered cover 3 of thread bush.In addition, the needle stand 21 of the thread bush 2 with
The end face that sleeve 22 connects is equipped with arcuate socket 23(and sees Figure 16), which is used to the pin being equipped with 5 tail portion of rotation pipe
The connection of hook 54 and cooperation (see Figure 12 and Figure 13).
3. rotation pipe 5
The main structure of the rotation pipe 5 is tube body (see Figure 12-Figure 14).The tube body outer rim of the rotation pipe 5 is equipped with inclined-plane
Track 51 and face track 52(directly and see Figure 12 and Figure 13), wherein incline track 51 is inclined tiltedly relative to tube body axis by one section
Face or helicoid are constituted as guide surface, are faced track 52 directly and are faced directly as guide surface structure by one section relative to tube body axis is parallel
At incline track 51 is located at tube body front, faces track 52 directly and is located at tube body rear portion, and the tail portion of incline track 51 and faces rail directly
The head in road 52 is connected.
The tube body outer rim of rotation pipe 5 is equipped with the first limited block 53(and sees Figure 12-Figure 14), the first limited block 53 is equipped with the
One confined planes.Corresponding to the arcuate socket 23 of the thread bush 2, pin hook 54(is equipped in 5 tail portion of rotation pipe and sees Figure 12 and Figure 13),
Under assembled state 5 tail portion of rotation pipe pin hook 54 insertion thread bush 2 on arcuate socket 23(see Figure 16), make rotation pipe 5 relatively in
Set 3 connects in axially position and is circumferentially rotating connection simultaneously.
4. anterior cannula 4 and spring 6
The anterior cannula 4 is used to protect the injection portion (see Fig. 9-Figure 11) of needle body 1, and the main structure of anterior cannula 4 is tube body.
Corresponding to the first limited block 53 in the rotation pipe 5, third limited block 42 is equipped on the inner edge of anterior cannula 4
(see Fig. 9 and Figure 11), third limited block 42 are equipped with third confined planes.The first confined planes and third on first limited block 53 limit
Third confined planes on the block 42 of position be engaged for limiting that 4 phase centered cover of anterior cannula, 3 front end stretches out axially forward first away from
Figure 20 is seen from 7().
It corresponding to the incline track 51 in the rotation pipe 5 and faces track 52 directly, inclined-plane is equipped on the inner edge of anterior cannula 4
Service portion 45(is shown in Fig. 9 and Figure 11).Ramp effect portion 45 is used to and the incline track 51 in rotation pipe 5 and faces track 52 directly and match
It closes.
The tube body outer rim of the anterior cannula 4 is equipped with the second limited block 44(and sees Fig. 9 and Figure 10), it sets on the second limited block 44
There are the second confined planes.Corresponding to second limited block 44, the 4th limited block 32(is equipped on the inner edge of middle set 3 and sees Fig. 5-figure
8), the 4th limited block 32 is equipped with the 4th confined planes.On the second confined planes and the 4th limited block 32 on second limited block 44
4th confined planes, which are engaged, sees figure for limiting the second distance 8(that 4 phase centered cover of anterior cannula, 3 front end is stretched out axially forward
21).Second distance 8 is greater than first distance 7.
The tube body outer rim of the anterior cannula 4 is equipped with elastic piece 41(and sees Fig. 9-Figure 11), correspond to the elastic piece 41 in
The inner edge of set 3 is equipped with anti-back card slot 31(and sees Fig. 5 and Fig. 7), elastic piece 41 has suspension effect end, and suspension effect end is fallen into
It is used to limit 4 phase centered cover 3 of anterior cannula in anti-back card slot 31 and retracts axially backward.Corresponding to the second distance 8, anterior cannula 4
On the anti-back card slot 31 that falls on middle set 3 of 41 suspension of elastic piece effect end in cooperate, i.e., be in the in injection of insulin syringe needle
Under two distances, 8 state, cooperate in the anti-back card slot 31 that the elastic piece 41 in anterior cannula 4 is fallen on middle set 3.
The preceding spring 6 is used to cooperate with anterior cannula 4, and anterior cannula 4 is pushed to the protective position of 1 injection portion of needle body.
Above zero connection and positional relationship under using preceding assembled state is described below:
Referring to Figure 17 A, Figure 17 B and Figure 17 C(in addition to middle set 3, anterior cannula 4 and rotation pipe 5 and outer other parts do not represent),
Using under preceding assembled state, thread bush 2 is fixed in middle set 3, and needle body 1 is fixed on the needle stand 21 of thread bush 2 and is located at middle set 3
Interior, 1 phase centered cover 3 of needle body is positioned and is fixed.Rotation pipe 5 is located in middle set 3, and phase centered cover 3 connects simultaneously in axially position
Circumferentially rotating connection.Specific implementation is: Figure 12 and Figure 13 are seen there are two pin hook 54(in 5 tail portion of rotation pipe) it is inserted into screw thread
(see Figure 12 and Figure 16) in two arcuate sockets 23 on set 2, at this time 5 axially position of rotation pipe and it is circumferential can rotate, make to rotate
5 phase centered cover 3 of pipe connects in axially position and is circumferentially rotating connection simultaneously.4 rear portion of anterior cannula is protruded into middle set 3, and is sleeved on
Outside rotation pipe 5,4 front of anterior cannula therefrom covers to be stretched out in the through-holes of 3 front ends, and anterior cannula 4 slides axially with middle set 3 and connect.Tool
Body is achieved in that: guide chute 43(being arranged in the outer rim of the anterior cannula 4 and sees Fig. 9 and Figure 10), it is arranged on middle 3 inner edge of set and leads
Fig. 7 and Fig. 8 are seen to convex ribs 33(), guide chute 43 is expanded letter groove, and in the grooves, second limits second limited block 44
The side of block 44 and the side of groove form mating groove, and the guiding convex ribs 33 are cooperatively formed with mating groove to be in axial sliding connection.
The spring 6 is sleeved on 5 outside of rotation pipe, and is located in middle set 3, and 6 rear end of spring is resisted against 22 front end face of sleeve of thread bush 2
Upper (see Figure 16), 6 front end of spring are resisted against on the inner front end face of anterior cannula 4, at this time first on first limited block 53
Third confined planes on confined planes and third limited block 42 are engaged (see Figure 17 A), keep 4 phase centered cover of anterior cannula 3 axial to
Preceding stretch out is that the first distance 7(is shown in Figure 20), the ramp effect portion 45 on 4 inner edge of anterior cannula is located at inclined-plane rail in this case
(see Figure 17 A) on road 51.
The present embodiment use process is described below:
1. original state
Figure 17 A indicates the combination stereogram of anterior cannula and rotation pipe under original state of the embodiment of the present invention.Figure 17 B indicates the present invention
The perspective view of middle set and anterior cannula and rotation pipe corresponding relationship under embodiment original state.At the beginning of Figure 17 C indicates the embodiment of the present invention
The combination stereogram of middle set under beginning state, anterior cannula and rotation pipe.It can be seen that first limited block from Figure 17 A- Figure 17 C
The first confined planes on 53 and the third confined planes on third limited block 42 are engaged (see Figure 17 A), make anterior cannula 4 relatively in
It is that the first distance 7(is shown in Figure 20 that set 3 stretches out axially forward), the ramp effect portion 45 on 4 inner edge of anterior cannula in this case
(see Figure 17 A) on incline track 51.
2. screwing in novopen and extracing housing state
Since the present invention has been omitted from the description to housing, therefore omit herein.
3. pushing injection of insulin syringe needle is pierced into human skin and infusing insulin state
Figure 18 A indicates the combination stereogram of anterior cannula and rotation pipe under anterior cannula of embodiment of the present invention compressive state.Figure 18 B is indicated
The perspective view of middle set and anterior cannula and rotation pipe corresponding relationship under anterior cannula compressive state of the embodiment of the present invention.Figure 18 C indicates this
The combination stereogram of middle set under inventive embodiments anterior cannula compressive state, anterior cannula and rotation pipe.When push insulin injection syringe
When head, 4 phase centered cover 3 of anterior cannula is moved axially backward, in the ramp effect portion 45 on 4 inner edge of anterior cannula and 5 outer rim of rotation pipe
Incline track 51 cooperate, and force rotation pipe 5 with respect to anterior cannula 4 circumferentially rotate, lead to the first limited block 53
It misplaces relative to third limited block 42 circumferentially.
4. needle body is extracted state from skin after having injected insulin
Figure 19 A indicates the combination stereogram of anterior cannula and rotation pipe under anterior cannula of embodiment of the present invention rebound state.Figure 19 B is indicated
The perspective view of middle set and anterior cannula and rotation pipe corresponding relationship under anterior cannula rebound state of the embodiment of the present invention.Figure 19 C indicates this
The combination stereogram of middle set under inventive embodiments anterior cannula rebound state, anterior cannula and rotation pipe.When extraction insulin injection syringe
When head, spring 6 pushes anterior cannula 4 to move forward, until on the second confined planes and the 4th limited block 32 on the second limited block 44
The 4th confined planes be engaged, stretch out 4 phase centered cover 3 of anterior cannula axially forward for the second distance 8(and see Figure 21),
Cooperate in the anti-back card slot 31 that 41 suspension of the elastic piece effect end in anterior cannula 4 is fallen on middle set 3 under this state, and enters front end
Guard mode.
5. exiting novopen state
Injection of insulin syringe needle is exited into novopen rotation.
Related content and variation in above embodiments are described as follows:
1. above embodiments are most preferred embodiment, key structure and principle 0 and Figure 21 referring to fig. 2, wherein 9 indicate the present invention
The axis of injection of insulin syringe needle, 7 indicate first distance, and 8 indicate second distance, and middle set 3 is relatively motionless, and anterior cannula 4 can phase
Middle set 3 can be axially moveable and be positioned (see the mobile arrow in Figure 20 and Figure 21 anterior cannula), but cannot be relative in
3 rotation of set, rotation pipe 5 can rotate (see the rotational arrow in Figure 20 rotation pipe 5) relative to middle set 3, but cannot be relative in
3 axial movement of set.As can be seen that anterior cannula 4 is to be sleeved on to turn in the assembled condition from above embodiments and Figure 20 and Figure 21
Dynamic 5 outside of pipe.But the present invention is not limited to this, can also be to be sleeved on 5 inside of rotation pipe in the assembled condition by anterior cannula 4,
As shown in Figure 22 and Figure 23, first pair of front end position limiting structure by the first limited block 53 for being located on 5 inner edge of rotation pipe be located at before
Third limited block 42 in 4 outer rim of casing, which cooperates, to be constituted, second pair of front end position limiting structure by be located in 4 outer rim of anterior cannula second
Limited block 44 is constituted with the 4th limited block 32 cooperation being located on middle 3 inner edge of set.This be it will be appreciated by those skilled in the art that
Variation.
2. in above embodiments, 0 and Figure 21, the anterior cannula 4 are sleeved on 5 outside of rotation pipe, incline track 51 referring to fig. 2
It is located in the outer rim of rotation pipe 5, ramp effect portion 45 is located on the inner edge of anterior cannula 4.But the present invention is not limited to this, can also be with
Ramp effect portion 45 is located in the outer rim of rotation pipe 5, and incline track 51 is located on the inner edge of anterior cannula 4.The two has
Exchangeability, this be it will be appreciated by those skilled in the art that variation.
3. in above embodiments, the anterior cannula 4 is sleeved on 5 outside of rotation pipe, and elastic piece 41 is located at anterior cannula 4, and prevents
Card slot 31 is moved back to be located on middle set 3.But the present invention is not limited to this, elastic piece 41 can also be located on middle set 3, and anti-back card slot
31 are located in anterior cannula 4.The two have exchangeability, this be it will be appreciated by those skilled in the art that variation.
4. in above embodiments, the incline track 51 is formed by a guide surface in 5 outer rim of rotation pipe, it is corresponding this one
The ramp effect portion 45 of a guide surface is a protrusion, and protrusion cooperates relative to guide surface sliding contact, with this by 4 phase of anterior cannula
The circumferentially rotating relative to middle set 3 of rotation pipe 5 is converted to for moving axially backward for middle set 3.But the present invention is not limited to this,
The incline track 51 can also be formed by two guide surfaces in 5 outer rim of rotation pipe, and two guide surfaces constitute guide groove, corresponding
The ramp effect portion 45 of the guide groove is a convex block, and convex block is located in guide groove and cooperates with guide groove sliding contact, with this
Anterior cannula 4 is converted into the circumferentially rotating relative to middle set 3 of rotation pipe 5 relative to moving axially backward for middle set 3.This is ability
Field technique personnel are understood that.
5. in above embodiments, middle set 3 and thread bush 2 are separate structure, one is then become by combined set, in this way
Design the considerations of being for processing technology.From the point of view of structure and construction, middle set 3 and thread bush 2 can be structure as a whole and set
Meter, i.e., by the structure for being used to connect novopen be set up directly in put on, nor affect on technical effect of the invention, this is this
Field technical staff is understood that.Here it is " rear end of middle set is connected with or is provided with described in the claims in the present invention 1
For connecting the structure of novopen " meaning where, refer specifically to two kinds of situations, a kind of knot referred to for connecting novopen
Structure is put in being set up directly on, another kind refer to structure for connecting novopen by another component be connected in put on,
Form the relationship being arranged indirectly.Wherein, described " for connecting the structure of novopen " is the prior art, is usually threadedly coupled
Structure is also possible to grafting rotating latch structure etc..
6. in above embodiments, from attached drawing as can be seen that incline track 51 in rotation pipe 5, facing track 52, elastic arm directly
53, preceding protection block 54, the first limited block 53 and the pin isostructural quantity of hook 54 are arranged symmetrically by two in circumferencial direction
It constituting, but the present invention is not limited to this, the quantity of these structures can be designed to one, three, four, it is even more, two
Only optimal design.All these structures are uniformly distributed on 5 circumferencial direction of rotation pipe.This is that those skilled in the art are appreciated that
Variation.
7. in above embodiments, from attached drawing as can be seen that elastic piece 41, third limited block 42, guiding in anterior cannula 4 are slided
Slot 43, the second limited block 44, ramp effect portion 45, needle outlet 46, the isostructural quantity of fabrication hole 47 are by two in circumference side
It is constituted to being arranged symmetrically, but the present invention is not limited to this, the quantity of these structures can be designed to one, three, four, even
More, two are optimal design.All these structures are uniformly distributed on 4 circumferencial direction of anterior cannula.This is art technology
The intelligible variation of personnel.
8. in above embodiments, the anterior cannula 4 slides axially with middle set 3 and connect specifically: in the outer rim of anterior cannula 4
Setting guide chute 43(is shown in Fig. 9 and Figure 10), setting guiding convex ribs 33(is shown in Fig. 7 and Fig. 8 on middle 3 inner edge of set), guide chute 43
For expanded letter groove, in the grooves, the side of the second limited block 44 and the side of groove form and cooperate second limited block 44
Slot, the guiding convex ribs 33 are cooperatively formed with mating groove to be in axial sliding connection.But the present invention is not limited to this, can also be in protheca
Guiding rib is set in the outer rim of pipe 4, and guide groove is set on 3 inner edge of middle set, essence is in the outer rim and middle set 3 of anterior cannula 4
Between edge, one is equipped with guide groove, and another one is equipped with guide pad or guiding rib.This be the skilled addressee will appreciate that
Variation.
9. in above embodiments, thread bush 2 is to be fixedly connected with relationship, but the present invention is not limited to this, adopts with middle 3 the two of set
It also may be implemented with the relationship of being located by connecting, for example middle set 3 is first sleeved on outside thread bush 2, thread bush 2 has in axially opposing middle set 3
There is the first position location, thread bush 2 is pushed axially to the second sprocket bit after novopen screws in injection of insulin syringe needle
It sets.The lock of housing centered cover can be used to unlock using such design.
10. in above embodiments, injection of insulin syringe needle is that band forward tip is protected, and is protected without rear end needle point.But
The present invention is not limited to this, can increase tail-hood and effect spring, by injection of insulin syringe needle on the basis of above embodiments
It is designed to that i.e. band forward tip is protected, and is protected with rear end needle point.In the present invention since innovative point is in front-end protection structure, solely
Vertical claim is open, therefore tail-hood is arranged and is not provided with tail-hood and is all contained in the scope of the present invention.
11. in above embodiments, the Pattern Design (see Fig. 9 and Figure 10) in 4 outer rim of anterior cannula is to indicate insulin
Injection needle using the instruction after preceding and use, i.e., using the decorative pattern in preceding 4 outer rim of anterior cannula hide in set 3, after use before
Decorative pattern in 4 outer rim of casing exposes.Set fabrication hole 47 is for allowing third limited block 42 convenient for demoulding in anterior cannula 4.Spiral shell
The design of technology groove 26 on the sleeve 22 of line set 2 is for allowing internal screw thread convenient for demoulding.5 rear end of rotation pipe groove (see
Figure 12, unlabeled) used for rear end protection, for example be used cooperatively with tail-hood.
The above embodiments merely illustrate the technical concept and features of the present invention, and its object is to allow person skilled in the art
Scholar cans understand the content of the present invention and implement it accordingly, and it is not intended to limit the scope of the present invention.It is all according to the present invention
Equivalent change or modification made by Spirit Essence, should be covered by the protection scope of the present invention.
Claims (10)
1. a kind of safe injection of insulin syringe needle of improved rotary formula, comprising:
Needle body (1), needle body (1) front end are injection portion, and rear end is linkage section；
Middle set (3), set (3) is tube structure in this, and the front end of middle set (3) is equipped with through-hole, the rear end of middle set (3) be connected with or
It is provided with the structure for connecting novopen；
Anterior cannula (4), the anterior cannula (4) are used to protect the injection portion of needle body (1), and the main structure of anterior cannula (4) is tube body；
Spring (6), the spring (6) are used to push to anterior cannula (4) protective position of needle body (1) injection portion；
It is characterized by comprising there is a rotation pipe (5), the main structure of the rotation pipe (5) is tube body；
Between the rotation pipe (5) and anterior cannula (4), one is equipped with the first limited block (53), and another one is limited equipped with third
Position block (42)；First limited block (53) is equipped with the first confined planes, and third limited block (42) is equipped with third confined planes, the first limit
The third confined planes on the first confined planes and third limited block (42) on position block (53) are engaged for limiting anterior cannula (4)
The first distance (7) that phase centered cover (3) stretches out axially forward in front end；
Between the anterior cannula (4) and middle set (3), one is equipped with the second limited block (44), and another one is equipped with the 4th limit
Block (32)；Second limited block (44) is equipped with the second confined planes, and the 4th limited block (32) is equipped with the 4th confined planes, the second limit
The second confined planes on block (44) are engaged with the 4th confined planes on the 4th limited block (32) for limiting anterior cannula (4) phase
The second distance (8) that centered cover (3) stretches out axially forward in front end；Second distance (8) is greater than first distance (7)；
Between the rotation pipe (5) and anterior cannula (4), one is equipped with incline track (51), and another one is equipped with ramp effect
Portion (45)；Incline track (51) is constituted relative to the inclined inclined-plane of tube body axis or helicoid as guide surface by one section, inclined-plane
Service portion (45) can force rotation pipe (5) to rotate circumferentially with incline track (51) cooperation；
Between the anterior cannula (4) and middle set (3), one is equipped with elastic piece (41), and another one is equipped with anti-back card slot (31)；
Elastic piece (41) effect end falls into anti-back card slot (31) to be used to limit anterior cannula (4) phase centered cover (3) and retract axially backward；
Elastic piece (41) effect end falls into the position cooperated in anti-back card slot (31) and corresponds to anterior cannula (4) phase centered cover (3) in front end
The second distance (8) stretched out axially forward；
Under using preceding assembled state, needle body (1) is located in middle set (3), and phase centered cover (3) is positioned and fixed；Rotation pipe (5)
In middle set (3), and phase centered cover (3) connects in axially position and is circumferentially rotating connection simultaneously；Anterior cannula (4) rear portion is protruded into
In middle set (3), and rotation pipe (5) is sleeved on outside or in rotation pipe (5), anterior cannula (4) front therefrom covers the through-hole of (3) front end
Middle stretching, anterior cannula (4) slide axially with middle set (3) and connect, and spring (6) is located in middle set (3), and spring (6) rear end is opposite
It is positioned in middle set (3), spring (6) front end is resisted against on anterior cannula (4), at this time the first limit on first limited block (53)
Face is engaged with the third confined planes on third limited block (42), is stretching out anterior cannula (4) phase centered cover (3) axially forward
For the first distance (7), the ramp effect portion (45) is arranged corresponding to incline track (51) in this case；
In a state of use, when pushing injection of insulin syringe needle, anterior cannula (4) phase centered cover (3) is moved axially backward, inclined-plane
Service portion (45) and incline track (51) cooperate, and rotation pipe (5) is forced to rotate with respect to anterior cannula (4) circumferentially,
The first limited block (53) is caused to misplace relative to third limited block (42) circumferentially；When extracting injection of insulin syringe needle,
Spring (6) pushes anterior cannula (4) to move forward, until the second confined planes and the 4th limited block (32) on the second limited block (44)
On the 4th confined planes be engaged, make anterior cannula (4) phase centered cover (3) axially forward stretch out be the second distance (8),
Elastic piece (41) effect end falls into cooperation in anti-back card slot (31) in this case, and anterior cannula (4) is made to enter front-end protection shape
State.
2. safe injection of insulin syringe needle according to claim 1, it is characterised in that: the anterior cannula (4) and middle set (3)
Slide axially connection specifically: between the outer rim of anterior cannula (4) and the inner edge of middle set (3), one is equipped with guide groove, another
Person is equipped with guide pad or guiding rib.
3. safe injection of insulin syringe needle according to claim 2, it is characterised in that: in the outer rim of the anterior cannula (4)
It is arranged guide chute (43), setting guiding convex ribs (33) on middle set (3) inner edge, guide chute (43) and guiding convex ribs (33) cooperation
Formation is in axial sliding connection.
4. safe injection of insulin syringe needle according to claim 3, it is characterised in that: the guide chute (43) is expanded letter
Groove, in the grooves, the side of the second limited block (44) and the side of groove form mating groove to second limited block (44),
The guiding convex ribs (33) cooperatively form with mating groove to be in axial sliding connection.
5. safe injection of insulin syringe needle according to claim 1, it is characterised in that: also for the incline track (51)
Equipped with track (52) are faced directly, faces track (52) directly and faced directly as guiding by one section relative to rotation pipe (5) tube body axis is parallel
Face is constituted, and incline track (51) is located at tube body front, faces track (52) directly and be located at tube body rear portion, and the tail of incline track (51)
Portion is connected with the head for facing track (52) directly.
6. safe injection of insulin syringe needle according to claim 1, it is characterised in that: the incline track (51) is by one
Guide surface is formed, and the ramp effect portion (45) of a corresponding guide surface is a protrusion, and protrusion connects relative to guide surface sliding
Touching cooperation, is converted to rotation pipe (5) relative to middle set (3) relative to moving axially backward for middle set (3) for anterior cannula (4) with this
Circumferentially rotate.
7. safe injection of insulin syringe needle according to claim 1, it is characterised in that: the incline track (51) is by two
Guide surface is formed, and two guide surfaces constitute guide groove, and the ramp effect portion (45) of the corresponding guide groove is a convex block, and convex block, which is located at, leads
Cooperate in slot and with guide groove sliding contact, anterior cannula (4) is converted to relative to moving axially backward for middle set (3) by rotation with this
Manage (5) circumferentially rotating relative to middle set (3).
8. safe injection of insulin syringe needle according to claim 1, it is characterised in that: fixed setting in the middle set (3)
There is a thread bush (2), thread bush (2) is made of needle stand (21) and sleeve (22), and needle stand (21) is fixedly connected on sleeve (22)
Front end, sleeve (22) inner edge, which is equipped with, to be used to connect the internal screw thread of novopen.
9. safe injection of insulin syringe needle according to claim 8, it is characterised in that: the needle stand of the thread bush (2)
(21) end face connecting with sleeve (22) is equipped with arcuate socket (23), and the corresponding arcuate socket (23) is equipped in rotation pipe (5) tail portion
It sells hook (54), the arcuate socket (23) in pin hook (54) insertion thread bush (2) of rotation pipe (5) tail portion, makes to turn in the assembled condition
Dynamic pipe (5) phase centered cover (3) connects in axially position and is circumferentially rotating connection simultaneously.
10. safe injection of insulin syringe needle according to claim 8, it is characterised in that: the sleeve of the thread bush (2)
(22) outer rim is equipped with longitudinal rib (24), and longitudinal rib (24) is equipped with limited bayonet (25)；Corresponding to longitudinal rib (24), in middle set
(3) slot (34) on inner edge correspond to limited bayonet (25), are equipped with positioning wedged block (35) on slot (34), are using preceding dress
With under state, longitudinal rib (24) and slot (34) cooperate, and limited bayonet (25) and positioning wedged block (35) cooperate, and make thread bush (2)
Phase centered cover (3) is fixedly connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018111458327 | 2018-09-29 | ||
| CN201811145832 | 2018-09-29 |
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| Publication Number | Publication Date |
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| CN109316650A true CN109316650A (en) | 2019-02-12 |
| CN109316650B CN109316650B (en) | 2023-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811339474.3A Active CN109316650B (en) | 2018-09-29 | 2018-11-12 | Improved rotary safety insulin syringe needle |
| CN201821857973.7U Withdrawn - After Issue CN209500449U (en) | 2018-09-29 | 2018-11-12 | The safe injection of insulin syringe needle of improved rotary formula |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821857973.7U Withdrawn - After Issue CN209500449U (en) | 2018-09-29 | 2018-11-12 | The safe injection of insulin syringe needle of improved rotary formula |
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| CN (2) | CN109316650B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109646019A (en) * | 2019-02-15 | 2019-04-19 | 苏州施莱医疗器械有限公司 | Modified tail portion push type disposable safe hemostix |
| CN109718429A (en) * | 2019-02-15 | 2019-05-07 | 贝普医疗科技有限公司 | A kind of safe insulin needle |
| CN111330117A (en) * | 2020-03-12 | 2020-06-26 | 江苏谦元医疗科技有限公司 | Safety insulin needle |
| CN111772646A (en) * | 2020-08-11 | 2020-10-16 | 无锡市第五人民医院 | Low sample volume sampler |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109316650B (en) * | 2018-09-29 | 2023-08-22 | 苏州施莱医疗器械有限公司 | Improved rotary safety insulin syringe needle |
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| WO2016066014A1 (en) * | 2014-10-29 | 2016-05-06 | 杭州普昂医疗科技有限公司 | Safety insulin pen needle |
| CN206660239U (en) * | 2016-12-07 | 2017-11-24 | 宁波美生医疗器材有限公司 | A kind of safety-type scalable injection of insulin syringe needle |
| CN209500449U (en) * | 2018-09-29 | 2019-10-18 | 苏州施莱医疗器械有限公司 | The safe injection of insulin syringe needle of improved rotary formula |
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- 2018-11-12 CN CN201821857973.7U patent/CN209500449U/en not_active Withdrawn - After Issue
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| KR20120008290U (en) * | 2012-10-16 | 2012-12-04 | 방영철 | Insulin Syringe Safety Needle |
| WO2016066014A1 (en) * | 2014-10-29 | 2016-05-06 | 杭州普昂医疗科技有限公司 | Safety insulin pen needle |
| CN206660239U (en) * | 2016-12-07 | 2017-11-24 | 宁波美生医疗器材有限公司 | A kind of safety-type scalable injection of insulin syringe needle |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109646019A (en) * | 2019-02-15 | 2019-04-19 | 苏州施莱医疗器械有限公司 | Modified tail portion push type disposable safe hemostix |
| CN109718429A (en) * | 2019-02-15 | 2019-05-07 | 贝普医疗科技有限公司 | A kind of safe insulin needle |
| WO2020164382A1 (en) * | 2019-02-15 | 2020-08-20 | 贝普医疗科技有限公司 | Safe insulin needle |
| KR20210128419A (en) * | 2019-02-15 | 2021-10-26 | 버르푸 메디컬 테크놀로지 컴퍼니 리미티드 | Safe insulin needle |
| KR102610898B1 (en) | 2019-02-15 | 2023-12-06 | 버르푸 메디컬 테크놀로지 컴퍼니 리미티드 | Safe insulin needle |
| CN109718429B (en) * | 2019-02-15 | 2024-01-16 | 贝普医疗科技股份有限公司 | Safety insulin needle |
| CN111330117A (en) * | 2020-03-12 | 2020-06-26 | 江苏谦元医疗科技有限公司 | Safety insulin needle |
| CN111330117B (en) * | 2020-03-12 | 2022-01-18 | 江苏谦元医疗科技有限公司 | Safety insulin needle |
| CN111772646A (en) * | 2020-08-11 | 2020-10-16 | 无锡市第五人民医院 | Low sample volume sampler |
| CN111772646B (en) * | 2020-08-11 | 2022-01-28 | 无锡市第五人民医院 | Low sample volume sampler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109316650B (en) | 2023-08-22 |
| CN209500449U (en) | 2019-10-18 |
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