CN216136487U - Endocrine insulin injection consumable - Google Patents
Endocrine insulin injection consumable Download PDFInfo
- Publication number
- CN216136487U CN216136487U CN202121678768.6U CN202121678768U CN216136487U CN 216136487 U CN216136487 U CN 216136487U CN 202121678768 U CN202121678768 U CN 202121678768U CN 216136487 U CN216136487 U CN 216136487U
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- CN
- China
- Prior art keywords
- cap
- injection
- medicine
- dial
- consumable
- 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.)
- Expired - Fee Related
Links
- 238000002347 injection Methods 0.000 title claims abstract description 69
- 239000007924 injection Substances 0.000 title claims abstract description 69
- 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 title claims abstract description 68
- 102000004877 Insulin Human genes 0.000 title claims abstract description 34
- 108090001061 Insulin Proteins 0.000 title claims abstract description 34
- 229940125396 insulin Drugs 0.000 title claims abstract description 34
- 230000002124 endocrine Effects 0.000 title claims abstract description 22
- 239000003814 drug Substances 0.000 claims abstract description 67
- 238000007789 sealing Methods 0.000 claims description 9
- 229920000742 Cotton Polymers 0.000 claims description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 229940079593 drug Drugs 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 15
- 238000009792 diffusion process Methods 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 9
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 description 9
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002775 capsule Substances 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 206010012601 diabetes mellitus Diseases 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000002349 favourable effect Effects 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
- 230000002265 prevention Effects 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
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- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model relates to an endocrine insulin injection consumable, wherein a refill of the endocrine insulin injection consumable comprises a core tube, a slow release piston pad and a connector, the injection head comprises a dial, a connecting cap and a dial cap, the slow release piston pad is arranged in the core tube, and the connector is formed by shrinking the core tube at the end part; the needle dial comprises a medicine inlet cover and a medicine injection cover, a medicine inlet puncture head is arranged on the medicine inlet cover, and a capillary needle tube is arranged on the medicine injection cover; the inner wall of the lower end of the connecting cap is provided with an annular inner flange, the outer wall of the lower end of the connecting cap is provided with an annular outer flange, and the medicine inlet cover and the medicine injection cover are respectively fixed on the upper surface and the lower surface of the inner flange; the dial cap is sleeved outside the connecting cap, the upper end of the dial cap is provided with a limiting edge, and a reset elastic piece is arranged between the connecting cap and the dial cap. The utility model makes the liquid medicine disperse and inject on the basis of alleviating the pain of puncture, which is beneficial to the diffusion of the medicine; effectively avoids the pollution of the capillary needle tube and realizes the automatic disinfection of the outer wall of the puncture needle tube in the process of withdrawing and withdrawing the needle.
Description
Technical Field
The utility model relates to the field of administration instruments in endocrinology departments, in particular to an endocrine insulin injection consumable.
Background
Diabetes is one of the key diseases in the endocrinology department, and the currently effective medicine control means is injection of artificial insulin liquid medicine. The mainstream injection article for insulin injection is the Nowa pen, and although part of high-pressure needleless administration devices appear in the market, the injection depth and the diffusion strength of the Nowa pen cannot achieve the effect of the Nowa pen. The existing Nowa pen structure comprises a pen body with a piston, a pen core matched with the pen body and an injection head, wherein the injection principle is that the piston of the pen body is utilized to push the piston in the pen core, and insulin liquid medicine contained in the pen core is injected to a dermis layer through the needle head. The existing pen core and injection head matched with the Nowa pen have the following defects:
(1) the injection is carried out by a single needle, the injection position of the liquid medicine is dense, the injection speed is high, the release speed of the liquid medicine is uncontrollable, and the diffusion of the medicine is not facilitated;
(2) the split cap of the Nouhua needle outer sleeve is easy to lose, and the inside of the needle cap is easy to pollute after the needle cap is opened;
(3) the needle cannot be automatically sterilized after each injection.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is the defects of the insulin refill and the matched injection head thereof, and provides an endocrine insulin injection consumable which has a dispersed capillary needle tube and an automatic sealing cover, and has the effects of automatic disinfection, pollution prevention and slow release of liquid medicine.
The pen core of the endocrine insulin injection consumable comprises a core tube, a slow release piston pad and a connector, wherein the injection head comprises a dial, a connecting cap and a dial cap, the slow release piston pad is arranged in the core tube, and the connector is formed by shrinking the core tube at the end part; the needle dial comprises a medicine inlet cover and a medicine injection cover, a medicine inlet puncture head is arranged on the medicine inlet cover, and a capillary needle tube is arranged on the medicine injection cover; the inner wall of the lower end of the connecting cap is provided with an annular inner flange, the outer wall of the lower end of the connecting cap is provided with an annular outer flange, and the medicine inlet cover and the medicine injection cover are respectively fixed on the upper surface and the lower surface of the inner flange; the dial cap is sleeved outside the connecting cap, the upper end of the dial cap is provided with a limiting edge, and a reset elastic piece is arranged between the connecting cap and the dial cap; the connecting head is provided with an external thread, the inner wall of the connecting cap is provided with an internal thread, and the connection between the refill and the injection head is realized through the thread connection of the internal thread and the external thread.
In order to uniformly disperse the insulin liquid medicine entering from the medicine feeding puncture head to the positions of the capillary needle tubes of the medicine injection cover so as to be beneficial to diffusion, the center of the medicine injection cover is provided with a convex liquid separating cone.
In order to realize insulin slow injection in order to be favorable to the diffusion, the slowly-releasing piston pad is formed with solid master piston pad and buffering piston pad, hollow buffering bag, the buffering bag is laid between master piston pad and buffering piston pad, buffering piston pad edge radius.
In order to further prolong the slow release time, the number of the buffer piston pads and the buffer sacs is two, and the two buffer piston pads and the two buffer sacs are distributed at intervals.
In order to seal the external puncture needle tube in the dial cap and realize the comprehensive disinfection of the puncture part of the external needle tube in the processes of retracting and withdrawing the needle each time, the center of the bottom of the dial cap is provided with a needle head groove, a thin rubber pad is covered on the needle head groove, and a disinfection cotton wool pad soaked in alcohol is fixed on the inner surface of the thin rubber pad.
For the gap between closed connection cap and the connector, prevent that the sepage benchmark is inside connecting the cap between puncture head and the plug to the messenger prevents that the two from connecting excessively soon and tripping, be equipped with sealed the pad on the inboard bottom surface of connection cap.
In order to ensure that all the capillary needle tubes on the dial are pierced out, the reset elastic piece is a reset spring, and the reset spring is concentrically fixed on the bottom surface of the dial cap.
In order to seal the insulin liquid medicine in the pen core, a rubber plug is filled in the connector.
The endocrine insulin injection consumable provided by the utility model has the beneficial effects that:
(1) the injection needle disc is divided into a medicine inlet cover and a medicine injection cover, forms a medicine cavity together with the inner flange and is matched with the capillary needle hole on the medicine injection cover, so that the medicine liquid is dispersed and injected on the basis of reducing the puncture pain, and the medicine diffusion is facilitated;
(2) the needle cap does not need to be sleeved, the sealing of the puncture needle tube is realized by matching the needle dial cap with the thin rubber pad, and the pollution of the needle tube is prevented;
(3) in the medicine pushing process, the narrow edge of the buffering piston pad is contacted and compressed, and the second return spring is reset to realize the buffering release of the insulin;
(4) the outer wall of the puncture needle tube is disinfected by the disinfected cotton wool pad in the processes of needle withdrawing and needle withdrawing.
Drawings
The endocrine insulin injection consumable of the utility model is further described with reference to the accompanying drawings:
fig. 1 is a schematic plan view of the endocrine insulin injection consumable;
FIG. 2 is a schematic perspective view of the structure of FIG. 1;
FIG. 3 is a sectional view taken along line A-A of FIG. 1;
fig. 4 is a perspective view of the endocrine insulin injection consumable;
FIG. 5 is an exploded view of the injection head end of FIG. 4;
FIG. 6 is an exploded view of the cartridge end of FIG. 4;
fig. 7 is a reference view of the use state of the present endocrine insulin injection consumable.
In the figure:
1-a pen core;
11-core tube, 12-slow release piston pad, 13-connector;
121-main piston pad, 122-buffer piston pad, 123-buffer capsule and 131-rubber plug.
2-an injection head;
21-dial, 22-connecting cap, 23-dial cap and 24-reset elastic piece;
211-medicine feeding cover, 212-medicine injection cover, 213-medicine feeding puncturing head, 214-capillary needle tube, 215-convex liquid separating cone, 216-sealing gasket, 221-inner flange, 222-outer flange, 231-limiting flange, 232-needle groove, 233-thin rubber pad and 234-sterilized cotton wool pad.
Detailed Description
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "left", "right", "front", "back", "top", "bottom", "inner", "outer", etc., indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
As shown in fig. 1 to 7, the pen core 1 of the endocrine insulin injection consumable comprises a core tube 11, a slow release piston pad 12 and a connector 13, and the injection head 2 comprises a dial 21, a connecting cap 22 and a dial cap 23, wherein the slow release piston pad 12 is installed in the core tube 11, and the connector 13 is formed by shrinking the end of the core tube 11; the dial 21 comprises a medicine inlet cover 211 and a medicine injection cover 212, a medicine inlet puncture head 213 is arranged on the medicine inlet cover 211, and a capillary needle tube 214 is distributed on the medicine injection cover 212; an annular inner flange 221 is arranged on the inner wall of the lower end of the connecting cap 22, an annular outer flange 222 is arranged on the outer wall of the lower end of the connecting cap 22, and the medicine inlet cover 211 and the medicine injection cover 212 are respectively fixed on the upper surface and the lower surface of the inner flange 221; the dial cap 23 is sleeved on the connecting cap 22, the upper end of the dial cap 23 is provided with a limiting edge 231, and a reset elastic part 24 is arranged between the connecting cap 22 and the dial cap 23; the connecting head 13 is provided with an external thread, the inner wall of the connecting cap 22 is provided with an internal thread, and the connection between the refill 1 and the injection head 2 is realized through the thread connection of the internal thread and the external thread.
A convex separating cone 215 is arranged in the center of the drug injection cover 212. The device is used for uniformly dispersing the insulin liquid medicine entering from the medicine-feeding puncture head to the positions of the capillary needle tubes of the medicine injection cover so as to be beneficial to diffusion.
The slow release piston pad 12 is formed with a solid main piston pad 121, a buffer piston pad 122 and a hollow buffer bag 123, the buffer bag 123 is arranged between the main piston pad 121 and the buffer piston pad 122, and the edge of the buffer piston pad 122 is rounded. For achieving a slow infusion of insulin to facilitate diffusion.
Two buffer piston pads 122 and two buffer bags 123 are arranged, and the two buffer piston pads 122 and the two buffer bags 123 are arranged at intervals. For further extending the sustained release time.
A needle head groove 232 is formed in the center of the bottom of the dial cap 23, a thin rubber pad 233 is covered on the needle head groove 232, and a sterilized cotton wool pad 234 soaked in alcohol is fixed on the inner surface of the thin rubber pad 233. Used for sealing the external puncture needle tube in the needle dial cap and realizing the comprehensive disinfection of the puncture part of the external needle tube in each needle retracting and needle withdrawing process
A sealing gasket 216 is arranged on the bottom surface of the inner side of the connecting cap 22. The connecting cap is used for sealing a gap between the connecting cap and the connector, preventing a liquid seepage reference between the puncture head and the rubber plug from being arranged inside the connecting cap, and preventing the puncture head and the rubber plug from being unscrewed and released.
The elastic restoring element 24 is a restoring spring concentrically fixed on the bottom surface of the dial cap 23. So as to ensure the puncture of all the capillary needle tubes on the needle disc.
The connecting head 13 is filled with a rubber plug 131. Used for sealing the insulin liquid medicine in the pen core.
According to the endocrine insulin injection consumable, the injection needle dial is divided into the medicine inlet cover and the medicine injection cover, the medicine cavity is formed by the medicine inlet cover and the medicine injection cover, and the medicine cavity is matched with the capillary needle holes on the medicine injection cover, so that medicine liquid is injected in a dispersing manner on the basis of reducing puncture pain, and medicine diffusion is facilitated; the needle cap does not need to be sleeved, the sealing of the puncture needle tube is realized by matching the needle dial cap with the thin rubber pad, and the pollution of the needle tube is prevented; in the medicine pushing process, the narrow edge of the buffering piston pad is contacted and compressed, and the second return spring is reset to realize the buffering release of the insulin; the outer wall of the puncture needle tube is disinfected by the disinfected cotton wool pad in the processes of needle withdrawing and needle withdrawing.
The foregoing description illustrates the principal features, rationale, and advantages of the utility model. It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments or examples, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The foregoing embodiments or examples are therefore to be considered in all respects illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
The foregoing embodiments are intended to illustrate that the utility model may be implemented or used by those skilled in the art, and modifications to the above embodiments will be apparent to those skilled in the art, and therefore the utility model includes, but is not limited to, the above embodiments, any methods, processes, products, etc., consistent with the principles and novel and inventive features disclosed herein, and fall within the scope of the utility model.
Claims (8)
1. An endocrine insulin injection consumable, which is characterized in that: the refill (1) comprises a core tube (11), a slow release piston pad (12) and a connector (13), the injection head (2) comprises a dial (21), a connecting cap (22) and a dial cap (23), wherein,
the slow release piston pad (12) is arranged in the core pipe (11), and the connector (13) is formed by shrinking the end part of the core pipe (11);
the dial (21) comprises a medicine inlet cover (211) and a medicine injection cover (212), a medicine inlet puncture head (213) is arranged on the medicine inlet cover (211), and a capillary needle tube (214) is distributed on the medicine injection cover (212);
an annular inner flange (221) is arranged on the inner wall of the lower end of the connecting cap (22), an annular outer flange (222) is arranged on the outer wall of the lower end of the connecting cap (22), and the medicine inlet cover (211) and the medicine injection cover (212) are respectively fixed on the upper surface and the lower surface of the inner flange (221);
the dial cap (23) is sleeved on the connecting cap (22) in an outer mode, a limiting edge (231) is arranged at the upper end of the dial cap (23), and a reset elastic piece (24) is arranged between the connecting cap (22) and the dial cap (23);
the pen refill is characterized in that an outer thread is arranged on the connector (13), an inner thread is arranged on the inner wall of the connecting cap (22), and the connection between the pen refill (1) and the injection head (2) is realized through the thread connection of the inner thread and the outer thread.
2. The endocrine insulin injection consumable of claim 1, wherein: and a convex separating cone (215) is arranged in the center of the drug injection cover (212).
3. The endocrine insulin injection consumable of claim 2, wherein: the slow-release piston pad (12) is formed with a solid main piston pad (121), a buffer piston pad (122) and a hollow buffer bag (123), the buffer bag (123) is arranged between the main piston pad (121) and the buffer piston pad (122), and the edge of the buffer piston pad (122) is rounded.
4. The endocrine insulin injection consumable of claim 3, wherein: the number of the buffer piston pads (122) and the number of the buffer bags (123) are two, and the two buffer piston pads (122) and the two buffer bags (123) are arranged at intervals.
5. The endocrine insulin injection consumable of claim 4, wherein: a needle head groove (232) is formed in the center of the bottom of the dial cap (23), a thin rubber pad (233) is covered on the needle head groove (232), and a sterilized cotton wool pad (234) soaked in alcohol is fixed on the inner surface of the thin rubber pad (233).
6. The endocrine insulin injection consumable of claim 5, wherein: and a sealing gasket (216) is arranged on the bottom surface of the inner side of the connecting cap (22).
7. The endocrine insulin injection consumable according to any of claims 1 to 6, wherein: the elastic reset piece (24) is a reset spring which is concentrically fixed on the bottom surface of the dial cap (23).
8. The endocrine insulin injection consumable according to any of claims 1 to 6, wherein: the connecting head (13) is filled with a rubber plug (131).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678768.6U CN216136487U (en) | 2021-07-23 | 2021-07-23 | Endocrine insulin injection consumable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121678768.6U CN216136487U (en) | 2021-07-23 | 2021-07-23 | Endocrine insulin injection consumable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216136487U true CN216136487U (en) | 2022-03-29 |
Family
ID=80803897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121678768.6U Expired - Fee Related CN216136487U (en) | 2021-07-23 | 2021-07-23 | Endocrine insulin injection consumable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216136487U (en) |
-
2021
- 2021-07-23 CN CN202121678768.6U patent/CN216136487U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220329 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |