CN113397975A - Nested formula redissolution device - Google Patents
Nested formula redissolution device Download PDFInfo
- Publication number
- CN113397975A CN113397975A CN202110855625.6A CN202110855625A CN113397975A CN 113397975 A CN113397975 A CN 113397975A CN 202110855625 A CN202110855625 A CN 202110855625A CN 113397975 A CN113397975 A CN 113397975A
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- Prior art keywords
- needle
- liquid inlet
- inner needle
- outer needle
- inlet channel
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 claims abstract description 72
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 208000001848 dysentery Diseases 0.000 claims description 3
- 239000003814 drug Substances 0.000 abstract description 28
- 239000003708 ampul Substances 0.000 abstract description 16
- 229930182555 Penicillin Natural products 0.000 abstract description 12
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 abstract description 12
- 229940049954 penicillin Drugs 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 5
- 239000004033 plastic Substances 0.000 description 6
- 229940079593 drug Drugs 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000843 powder Substances 0.000 description 4
- 239000003085 diluting agent Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000007865 diluting Methods 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000008176 lyophilized powder Substances 0.000 description 1
- 238000010999 medical injection Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 210000002966 serum Anatomy 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 229960005486 vaccine Drugs 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 239000008215 water for injection Substances 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2006—Piercing means
- A61J1/201—Piercing means having one piercing end
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2003—Accessories used in combination with means for transfer or mixing of fluids, e.g. for activating fluid flow, separating fluids, filtering fluid or venting
- A61J1/2048—Connecting means
- A61J1/2051—Connecting means having tap means, e.g. tap means activated by sliding
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J1/00—Containers specially adapted for medical or pharmaceutical purposes
- A61J1/14—Details; Accessories therefor
- A61J1/20—Arrangements for transferring or mixing fluids, e.g. from vial to syringe
- A61J1/2096—Combination of a vial and a syringe for transferring or mixing their contents
Landscapes
- Health & Medical Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Medical Preparation Storing Or Oral Administration Devices (AREA)
Abstract
The invention provides a nested type redissolution device, which comprises a tubular inner needle and an outer needle, wherein the inner needle is sequentially provided with an inner needle head, an inner needle body, a limiting part and an inner needle seat connected with an injector, an inner liquid inlet passage penetrating through the inner needle head, the inner needle body, the limiting part and the inner needle seat is formed in an inner cavity of the inner needle, and the diameter of the limiting part is larger than that of the inner needle body; the outer needle is sequentially provided with an outer needle head, an outer needle body and an outer needle seat, and an outer liquid inlet passage penetrating through the outer needle head and the outer needle body is formed in the inner cavity of the outer needle; the outer needle base is tightly sleeved outside the inner needle, and the outer liquid inlet channel is communicated with the inner liquid inlet channel. When the inner needle and the outer needle are sleeved together, the ampoule bottle can be used for extracting liquid medicine. The outer needle is taken down, the inner needle can conveniently puncture the penicillin bottle, and the liquid medicine is injected and extracted to finish the dispensing. The invention can complete the dispensing process without replacing the dispensing needle, has convenient use and good effect and is beneficial to popularization.
Description
Technical Field
The invention relates to the field of medical instruments, in particular to a nested redissolution device.
Background
The ampoule bottle is a sealed high-quality glass small bottle, is usually used for storing medicines for injection, vaccines, serum and the like, and is sealed and integrated, so that the upper part of the ampoule bottle needs to be broken off when the ampoule bottle is used, and a needle tube of a syringe is extended into the ampoule bottle to extract liquid. The opening of the ampoule bottle is slender, and the needle tube of the injector needs to be longer. The vial is a small bottle sealed by a rubber plug, is generally used as a medical injection bottle, a powder injection, sterile subpackaged powder and the like, and has short body and short needle tube of a required injector.
At present, in conventional dispensing, a dispensing needle is often needed to suck diluent from a glass ampoule bottle and inject the diluent into a penicillin bottle to dissolve freeze-dried powder. The existing dispensing needle has two types, namely a metal needle and a plastic needle. The metal needle has the advantages that the metal needle is easy to puncture the rubber plug, but is easy to generate puncture accidents and has poor safety; the plastic needle has the advantage that the needle cannot be punctured, but the plastic needle head is too thick, so that the puncture of the rubber plug of the medicine bottle is difficult.
In addition, no matter a metal needle or a plastic needle is adopted, the liquid outlet of the existing dispensing needle is at the top end, liquid is difficult to extract in closed medicine bottles such as penicillin bottles, and the liquid medicine is difficult to extract completely. Moreover, there are many drug containers, such as ampoule bottles, vial bottles, injection bottles, etc., and the above dispensing needles are usually only suitable for a single drug bottle, but not suitable for simultaneous use of multiple drug containers, for example, extracting water for injection from ampoule bottles, and then injecting into lyophilized powder vial to dissolve the drug powder.
The Chinese patent application CN 112618361A discloses a universal dispensing needle and a universal dispensing needle head, which are used in ampoule bottles and penicillin bottles at the same time by arranging a limiting part on a longer metal needle, but the structure has the defects of inconvenient processing, easy puncture accidents, easy pollution, poor universality and the like, and is not effectively popularized.
The patent CN 213526418U issued by the present invention in china discloses a medicine dispensing needle for penicillin and ampoule, which adopts the structure of an inner needle and an outer needle, but the structure of the inner needle and the outer needle is only used for exhausting air, and does not solve the existing problems.
Disclosure of Invention
The invention aims to provide a nested redissolution device, which adopts an inner needle and an outer needle, and utilizes a structure that the inner needle and the outer needle are sleeved and can be detached to meet the requirements of puncturing different medicine bottles; meanwhile, the liquid outlet of the inner needle is positioned at the lowest part of the liquid medicine when in use, and the liquid medicine can be completely extracted.
In order to achieve the purpose, the invention provides a nested type redissolution device, which comprises a tubular inner needle and an outer needle, wherein the inner needle is sequentially provided with an inner needle head, an inner needle body, a limiting part and an inner needle seat connected with an injector, an inner liquid inlet channel penetrating through the inner needle head, the inner needle body, the limiting part and the inner needle seat is formed in an inner cavity of the inner needle, and the diameter of the limiting part is larger than that of the inner needle body; the outer needle is sequentially provided with an outer needle head, an outer needle body and an outer needle seat, and an outer liquid inlet passage penetrating through the outer needle head and the outer needle body is formed in the inner cavity of the outer needle; the outer needle base is tightly sleeved outside the inner needle, and the outer liquid inlet channel is communicated with the inner liquid inlet channel. When the inner needle and the outer needle are sleeved together, the ampoule bottle can be used for extracting liquid medicine. The outer needle is taken down, the inner needle can conveniently puncture the penicillin bottle, and the liquid medicine is injected and extracted to finish the dispensing. The invention can complete the dispensing process without replacing the dispensing needle, has convenient use and good effect and is beneficial to popularization.
Preferably, the inner needle body is provided with a liquid inlet which is communicated with the inner liquid inlet channel. Thus, the liquid medicine can be injected and extracted more conveniently.
Preferably, the shortest distance between the liquid inlet and the limiting part is not less than 0.5 mm. The bottle plug of xiLin bottle is 0.5mm generally, therefore, when inverting xiLin bottle to extract the liquid medicine, can guarantee that the minimum of inlet is less than the minimum of liquid medicine, perhaps the two flushes, thereby ensures to take out the liquid medicine in the xiLin bottle entirely.
Preferably, the liquid inlet is a through groove which is opened on the side wall of the inner needle body and is communicated with the inner liquid inlet channel. The through groove structure is convenient to process, the area of the liquid inlet is enlarged, and the liquid medicine in the inner liquid inlet channel is not influenced to flow into the injector after the outer needle is wrapped. Therefore, the structure is low in cost, can meet the use requirement and has a good use effect. Of course, the through groove can be replaced by a plurality of through holes.
Preferably, the inner cavity of the outer needle base is matched with the outer contour shape of the front end of the inner needle, and the inner needle head is abutted against the inner end of the outer liquid inlet channel, so that the outer liquid inlet channel is communicated with the inner liquid inlet channel. Thus, when the outer needle and the inner needle are sleeved together, the whole body can be used as a dispensing needle for extracting liquid medicine in the ampoule bottle.
Preferably, the limiting part is provided with a positioning column, and the end part of the outer needle seat is provided with a clamping groove matched with the positioning column. The structure can be used for conveniently assembling and disassembling the inner needle and the outer needle. Of course, the inner needle and the outer needle can be connected by other methods such as threaded connection.
Preferably, the outer wall of the outer needle seat is provided with a reinforcing rib. The reinforcing ribs not only increase the strength of the outer needle base, but also facilitate the holding of the outer needle base, and facilitate the operation.
Preferably, the sleeving connection hole for connecting the inner needle base and the injector is 6% of luer taper. The connector of the medical apparatus is generally 6% luer taper, which can greatly improve the universality of the product.
Preferably, the outer side of the outer needle is provided with a protective sleeve. Therefore, before use, the utility model is convenient for transportation and storage, and prevents the occurrence of false prick.
As mentioned above, the nested type redissolution device provided by the invention has the following beneficial effects:
1) the invention can meet the dispensing requirements of different medicine bottles without replacing the dispensing needle, has simple structure and good use effect, and is beneficial to popularization;
2) the inner needle and the outer needle can be formed by injection molding, so that the needle is low in cost, convenient to process and high in production efficiency, and can prevent the occurrence of false piercing;
3) when the inner needle is needed to puncture, the outer needle is detached, so that the outer part of the inner needle can be kept clean, pollution is avoided, and the inner needle is convenient to use.
Drawings
FIG. 1 is a schematic exploded view of the present invention;
FIG. 2 is a perspective view of the inner needle of the present invention;
FIG. 3 is a schematic cross-sectional view of the present invention;
fig. 4 is a schematic sectional view of the syringe according to the present invention.
Description of reference numerals:
an inner needle 1; an inner needle 11; an inner needle body 12; a stopper 13; an inner needle holder 14; a positioning post 15; an inner liquid inlet passage 16; a liquid inlet 17; an outer needle 2; an outer needle 21; an outer needle body 22; an outer needle holder 23; a card slot 24; a reinforcing rib 25; an outer liquid inlet passage 26; a protective sleeve 3; a syringe 4.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention. In addition, the terms such as "upper", "lower", "left", "right" and "middle" used in the present specification are for clarity of description, and are not intended to limit the scope of the present invention, and changes or modifications of the relative relationship may be made without substantial technical changes.
As shown in the figure, the nested reconstitution device comprises a tubular inner needle 1 and an outer needle 2, wherein a protective sleeve 3 is arranged on the outer side of the outer needle 2. The inner needle 1, the outer needle 2 and the protective sleeve 3 are assembled in a coaxial series connection mode, packaged and sterilized. The hardness of the inner needle 1 and the outer needle 2 is different; the inner needle 1 is made of hard plastic, and the outer needle 2 is made of semi-hard plastic. The inner needle 1 is provided with an inner needle head 11, an inner needle body 12, a limiting part 13 and an inner needle base 14 connected with the injector 4 in sequence. The sleeving connection hole of the inner needle base 14 and the injector 4 is 6 percent of Ruhr taper.
The inner cavity of the inner needle 1 forms an inner liquid inlet passage 16 which penetrates through the inner needle head 11, the inner needle body 12, the limiting part 13 and the inner needle seat 14. The diameter of the limiting part 13 is larger than that of the inner needle body 12. Thus, the limiting part 13 is ensured to be positioned outside the bottle plug, and the inner needle body 12 penetrates into the bottle plug.
The inner needle body 12 is provided with a liquid inlet 17, and the liquid inlet 17 is communicated with an inner liquid inlet channel 16. The liquid inlet 17 is a through groove which is opened on the side wall of the inner needle body 12 and is communicated with the inner liquid inlet channel 16. The shortest distance between the liquid inlet 17 and the limiting part 13 (as shown in fig. 2, the shortest distance refers to the distance between the lowest end of the through groove and the limiting part 13) is not less than 0.5 mm. When the penicillin bottle is inverted, the lowest end of the through groove is lower than the lowest part of the liquid medicine, and the liquid medicine can be completely pumped out. The through groove structure is adopted, so that the processing is convenient, and other forms such as through holes can be adopted for replacement.
The outer needle 2 is sequentially provided with an outer needle head 21, an outer needle body 22 and an outer needle seat 23, and an outer liquid inlet passage 26 penetrating through the outer needle head 21 and the outer needle body 22 is formed in the inner cavity of the outer needle 2; the outer needle seat 23 is tightly sleeved outside the inner needle 1, and the outer liquid inlet passage 26 is communicated with the inner liquid inlet passage 16.
The outer wall of the outer needle seat 23 is provided with a reinforcing rib 25. The inner cavity of the outer needle seat 23 is matched with the outer contour shape of the front end of the inner needle 1, and the inner needle head 11 is abutted against the inner end of the outer liquid inlet passage 26, so that the outer liquid inlet passage 26 is communicated with the inner liquid inlet passage 16.
The inner needle 1 and the outer needle 2 are physically connected, so that the air tightness is required to be ensured, and the outer needle 2 is easy to pull out. The specific connection structure comprises a thread type, a buckling type, a taper fit and the like. The limiting part 13 is provided with a positioning column 15, and the end part of the outer needle seat 23 is provided with a clamping groove 24 matched with the positioning column 15. The inner needle and the outer needle are connected in a sealing way, and the minimum requirement is as follows: positive pressure: 50KPa 15 sec; negative pressure: -40KPa 15 sec.
When the inner needle 1 and the outer needle 2 are sleeved together, the length shape of the inner needle is matched with that of the ampoule bottle, and the liquid medicine can be sucked from the ampoule bottle to the injector 4. After the outer needle 2 is taken down, the length and the shape of the outer needle are matched with those of a penicillin bottle, the liquid medicine of the injector 4 can be injected into the penicillin bottle for mixing, and the mixed liquid medicine is pumped into the injector 4.
The use process of the invention is as follows:
1) combining the inner needle 1, the outer needle 2 and the protective sleeve 3, and firmly assembling the combination with a standard Ruhr taper syringe 4;
2) removing the protective sleeve 3;
3) inserting the outer needle 2 into an ampoule bottle, and extracting (diluting) liquid;
4) the outer needle 2 is removed after the liquid is pumped;
5) puncturing a rubber plug of a penicillin bottle by using an inner needle 1, pushing a push rod of an injector 4, and injecting a diluent;
6) after the dissolution is finished, inverting the penicillin bottle, and pumping all liquid in the penicillin bottle into the injector 4;
7) the syringe 4 is disconnected from the inner needle 1, and the solution preparation is completed.
As shown above, the nested redissolution device disclosed by the invention is simple and reasonable in structure, convenient to process, low in production cost, good in use effect and beneficial to popularization.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (9)
1. A nested reconstitution device comprising a tubular inner needle (1) and an outer needle (2), characterized in that: the inner needle (1) is sequentially provided with an inner needle head (11), an inner needle body (12), a limiting part (13) and an inner needle seat (14) connected with the injector (4), an inner liquid inlet channel (16) penetrating through the inner needle head (11), the inner needle body (12), the limiting part (13) and the inner needle seat (14) is formed in an inner cavity of the inner needle (1), and the diameter of the limiting part (13) is larger than that of the inner needle body (12); the outer needle (2) is sequentially provided with an outer needle head (21), an outer needle body (22) and an outer needle seat (23), and an outer liquid inlet channel (26) penetrating through the outer needle head (21) and the outer needle body (22) is formed in the inner cavity of the outer needle (2); the outer needle base (23) is tightly sleeved outside the inner needle (1), and the outer liquid inlet channel (26) is communicated with the inner liquid inlet channel (16).
2. The nested reconstitution device of claim 1, wherein: the inner needle body (12) is provided with a liquid inlet (17), and the liquid inlet (17) is communicated with the inner liquid inlet channel (16).
3. The nested reconstitution device of claim 2, wherein: the shortest distance between the liquid inlet (17) and the limiting part (13) is not less than 0.5 mm.
4. A nested reconstitution device according to claim 2 or 3, wherein: the liquid inlet (17) is a through groove which is arranged on the side wall of the inner needle body (12) and is directly communicated with the inner liquid inlet channel (16).
5. The nested reconstitution device of claim 1, wherein: the inner cavity of the outer needle seat (23) is matched with the outer contour shape of the front end of the inner needle (1), and the inner needle head (11) is abutted against the inner end of the outer liquid inlet channel (26), so that the outer liquid inlet channel (26) is communicated with the inner liquid inlet channel (16).
6. The nested reconstitution device of claim 1, wherein: a positioning column (15) is arranged on the limiting part (13), and a clamping groove (24) matched with the positioning column (15) is formed at the end part of the outer needle seat (23).
7. The nested reconstitution device of claim 1, wherein: and the outer wall of the outer needle base (23) is provided with a reinforcing rib (25).
8. The nested reconstitution device of claim 1, wherein: the sleeving hole for connecting the inner needle base (14) and the injector (4) is 6% of Ruhr taper.
9. The nested reconstitution device of claim 1, wherein: the outer side of the outer needle (2) is provided with a protective sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110855625.6A CN113397975A (en) | 2021-07-28 | 2021-07-28 | Nested formula redissolution device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110855625.6A CN113397975A (en) | 2021-07-28 | 2021-07-28 | Nested formula redissolution device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113397975A true CN113397975A (en) | 2021-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110855625.6A Pending CN113397975A (en) | 2021-07-28 | 2021-07-28 | Nested formula redissolution device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113397975A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11128346A (en) * | 1997-10-31 | 1999-05-18 | Jms:Kk | Double needle having erroneous puncture preventive function |
| CN2693258Y (en) * | 2004-04-19 | 2005-04-20 | 王希平 | Combined type dosage/injection needle |
| CN202366173U (en) * | 2011-12-05 | 2012-08-08 | 尹梦华 | Dispensing and injecting needle |
| CN210932766U (en) * | 2019-09-19 | 2020-07-07 | 浙江康康医疗器械股份有限公司 | Labor-saving dispensing needle |
| CN211535658U (en) * | 2019-05-07 | 2020-09-22 | 龙勇 | Damage-proof needle |
| CN112999078A (en) * | 2021-04-04 | 2021-06-22 | 河南劢德可精密仪器有限公司 | XiLin bottle dispensing needle |
| CN215460235U (en) * | 2021-07-28 | 2022-01-11 | 杭州钱塘隆越生物科技有限公司 | Nested formula redissolution device |
-
2021
- 2021-07-28 CN CN202110855625.6A patent/CN113397975A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11128346A (en) * | 1997-10-31 | 1999-05-18 | Jms:Kk | Double needle having erroneous puncture preventive function |
| CN2693258Y (en) * | 2004-04-19 | 2005-04-20 | 王希平 | Combined type dosage/injection needle |
| CN202366173U (en) * | 2011-12-05 | 2012-08-08 | 尹梦华 | Dispensing and injecting needle |
| CN211535658U (en) * | 2019-05-07 | 2020-09-22 | 龙勇 | Damage-proof needle |
| CN210932766U (en) * | 2019-09-19 | 2020-07-07 | 浙江康康医疗器械股份有限公司 | Labor-saving dispensing needle |
| CN112999078A (en) * | 2021-04-04 | 2021-06-22 | 河南劢德可精密仪器有限公司 | XiLin bottle dispensing needle |
| CN215460235U (en) * | 2021-07-28 | 2022-01-11 | 杭州钱塘隆越生物科技有限公司 | Nested formula redissolution device |
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