CN217286761U - Microneedle needle table and microneedle assembly - Google Patents
Microneedle needle table and microneedle assembly Download PDFInfo
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- CN217286761U CN217286761U CN202123300147.7U CN202123300147U CN217286761U CN 217286761 U CN217286761 U CN 217286761U CN 202123300147 U CN202123300147 U CN 202123300147U CN 217286761 U CN217286761 U CN 217286761U
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Abstract
The utility model belongs to the technical field of injection needles, and relates to a micro needle table and a micro needle assembly thereof, the micro needle table comprises a needle table block, wherein the top end and the bottom end of one side surface of the needle table block are respectively provided with a top concave platform surface and a bottom concave platform surface, and the top concave platform surface corresponds to the bottom concave platform surface; the micro needle assembly comprises a plurality of micro injection needles and needle beds provided with liquid medicine cavities, and further comprises the micro needle platforms, the micro injection needles are fixed on the top concave platform surface and the bottom concave platform surface through a colloid, needle bed mounting cavities are arranged on the top ends of the needle beds, the sizes of the needle bed mounting cavities are matched with the micro needle platforms, the micro needle platforms fixed with the micro injection needles are inserted into the needle bed mounting cavities, and the micro needle platforms are fixed with the needle bed mounting cavity walls through the colloid. The utility model discloses make things convenient for the fixed of miniature syringe needle, effectively prevent that miniature syringe needle from deflecting to its simple structure itself requires lowly to its mold processing, and its processing technology is simple, and the firm cost of manufacture is low.
Description
Technical Field
The utility model relates to a micro needle platform and micro needle subassembly thereof belongs to syringe needle technical field.
Background
The needle does not penetrate subcutaneous fat and muscle tissues, such as injection of hyaluronic acid complex solution, injection of amino acid, injection of physiological saline, injection of kaimei vaccine, and intradermal or subcutaneous injection of penicillin drugs and cephalosporin drugs, and a micro injection needle is generally used. In order to solve the problem that a micro-injection needle tube deflects in the gluing and curing process, manufacturers provide a micro-needle platform and an injection needle assembly in the market at present, the micro-injection needle is installed in the needle tube clamping groove in advance in the mode of additionally arranging the micro-needle platform with the needle tube clamping groove in the side wall, and the aim of fixedly installing a plurality of micro-injection needles on the micro-needle platform in advance can be achieved by utilizing the pretightening force action of the needle tube clamping groove. Although the method solves the problems to a certain extent, the product has a more complex structure, higher requirements on the die and higher difficulty in the production and assembly process, so that the cost of manufacturers is increased.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the micro needle table and the micro needle assembly thereof are convenient for fixing the micro injection needle and effectively prevent the micro injection needle from deflecting, and have simple structure, low requirement on a processing mold, simple processing technology and low manufacture cost of manufacturers.
Microneedle needle platform, including needle platform piece, the top and the bottom of side of needle platform piece are equipped with a concave platform face in top and the concave platform face in end respectively, and the concave platform face in top is corresponding with the concave platform face in end.
The middle part of the miniature injection needle is simultaneously placed and fixed on the top concave platform surface and the bottom concave platform surface, and the miniature injection needle is respectively fixed with the top concave platform surface and the bottom concave platform surface through the colloid, so that the amount of the colloid is small, and the curing time is short; and the top concave platform surface and the bottom concave platform surface have simple structures, low requirements on processing dies of the top concave platform surface and the bottom concave platform surface, and simple processing technology. The distance between the top concave platform surface and the bottom concave platform surface and the top surface of the needle platform block is matched with the diameter of the miniature injection needle.
Preferably, the needle platform block between the top concave platform surface and the bottom concave platform surface is provided with a cavity groove. When the micro needle table and the needle seat of the micro needle assembly are fixed, glue is injected into the cavity groove, so that sealing is realized on one hand, and the fixation of the micro needle table and the needle seat is realized on the other hand.
Preferably, the top concave platform surface forms an included angle of 90 degrees with the side wall of the top concave platform surface, and the bottom concave platform surface forms an included angle of 90 degrees with the side wall of the bottom concave platform surface. Two right angles are arranged, so that the miniature injection needle is convenient to place and fix.
The micro-needle assembly of the utility model comprises a plurality of micro-injection needles, a needle seat provided with a liquid medicine cavity and the micro-needle platform, wherein the micro-injection needles are fixed on the top concave platform surface and the bottom concave platform surface through a colloid and are parallel to each other; the top end of the needle seat is provided with a needle platform installation cavity, the size of the needle platform installation cavity is matched with the micro needle platform, the micro needle platform fixed with the micro injection needle is inserted into the needle platform installation cavity, and the micro needle platform is fixed with the wall of the needle platform installation cavity through a colloid.
During assembly, a plurality of micro injection needles are arranged in a fixture of a processing tool for assembly according to a set direction and a set distance, then the processing tool places the micro injection needles on the top concave platform surface and the bottom concave platform surface, and the micro injection needles are fixed with the top concave platform surface and the bottom concave platform surface through colloid; then the micro needle platform that will accomplish the fixing of miniature syringe needle inserts the needle platform installation intracavity of needle file, needle platform installation cavity and liquid medicine chamber intercommunication, the non-needle point end of miniature syringe needle inserts the liquid medicine intracavity, follow the top injecting glue of needle platform installation cavity afterwards, the colloid gets into in the cavity groove, the colloid seals needle platform installation cavity, and with the fixing of micro needle platform and needle file, the colloid all is great with the area of contact of micro needle platform and needle file, therefore the fixing between micro needle platform and the needle file is comparatively reliable. The colloid can not enter the liquid medicine cavity in the process of injecting the glue.
Preferably, the periphery of the bottom end of the needle base is additionally provided with a 6:100 Ruhr joint which can be adapted to any injection instrument meeting the national standard joint.
Preferably, the number of the micro injection needles is 2 to 4.
Preferably, the distance between two adjacent miniature injection needles is 0.2mm-1.0 mm.
Preferably, the side wall of the needle seat at the end provided with the needle table mounting cavity is provided with an inclined plane, the inclined plane and the cutting edge inclined plane of the miniature injection needle form an included angle alpha, the included angle alpha is 10-40 degrees, the included angle alpha is set properly, and the injection is convenient.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model has the advantages of reasonable design, make things convenient for the fixed of miniature syringe needle, effectively prevent that miniature syringe needle from deflecting to its simple structure itself requires lowly to its mold processing, and its processing technology is simple, and the firm cost of manufacture is low.
Drawings
Figure 1, a schematic view of a microneedle needle stage configuration;
figure 2 is a perspective view of the microneedle assembly;
FIG. 3, left side view of the micro needle assembly;
figure 4, an exploded view of the microneedle assembly;
figure 5, a microneedle needle table bottom view;
fig. 6 is a schematic view of the structure of the needle seat.
In the figure: 1. a needle table block; 2. a bottom concave platform surface; 3. a cavity groove; 4. a top concave platform surface; 5. a miniature injection needle; 6. an inclined surface; 7. a needle seat; 8. 6:100 luer fitting; 9. a microneedle needle holder; 10. a liquid medicine cavity; 11. a needle table mounting cavity; 12. blade inclined plane.
Detailed Description
The invention will be further described with reference to the accompanying drawings:
referring to fig. 1-6, the microneedle needle table of the present invention comprises a needle table block 1, wherein a top end and a bottom end of a side surface of the needle table block 1 are respectively provided with a top concave platform surface 4 and a bottom concave platform surface 2, and the top concave platform surface 4 corresponds to the bottom concave platform surface 2.
The needle block 1 between the top concave platform surface 4 and the bottom concave platform surface 2 is provided with a cavity groove 3. When the micro needle platform 9 is fixed with the needle seat 7 of the micro needle assembly, glue is injected into the cavity groove 3, so that on one hand, sealing is realized, and on the other hand, the fixation of the micro needle platform 9 and the needle seat 7 is realized.
The top concave platform surface 4 forms an included angle of 90 degrees with the side wall thereof, and the bottom concave platform surface 2 forms an included angle of 90 degrees with the side wall thereof. The arrangement of two right angles is convenient for the placement and fixation of the miniature injection needle 5.
The middle part of the miniature injection needle 5 is simultaneously placed and fixed on the top concave platform surface 4 and the bottom concave platform surface 2, and the miniature injection needle 5 is respectively fixed with the top concave platform surface 4 and the bottom concave platform surface 2 through glue, so that the glue amount is small, and the curing time is short; and the top concave platform surface 4 and the bottom concave platform surface 2 have simple structures, low requirements on processing dies of the top concave platform surface and the bottom concave platform surface, and simple processing technology. The distance between the top concave platform surface 4 and the bottom concave platform surface 2 and the top surface of the needle platform block 1 is matched with the diameter of the miniature injection needle 5.
The micro-needle component of the utility model comprises a plurality of micro-injection needles 5, a needle base 7 provided with a liquid medicine cavity 10 and a micro-needle platform 9, wherein the micro-injection needles 5 are fixed on the top concave platform surface 4 and the bottom concave platform surface 2 through colloid, and the micro-injection needles 5 are parallel; the top end of the needle seat 7 is provided with a needle platform installation cavity 11, the size of the needle platform installation cavity 11 is matched with the micro needle platform 9, the micro needle platform 9 fixed with the micro injection needle 5 is inserted into the needle platform installation cavity 11, and the micro needle platform 9 and the wall of the needle platform installation cavity 11 are fixed through colloid.
The periphery of the bottom end of the needle base 7 is additionally provided with 6:100 Ruhr joints 8 which can be adapted to any injection instrument meeting the national standard joint; the number of the micro injection needles 5 is 2-4, and the distance between two adjacent micro injection needles 5 is 0.2mm-1.0 mm.
The side wall of the needle seat 7 at the end provided with the needle platform installation cavity 11 is provided with an inclined plane 6, the inclined plane 6 and the cutting edge inclined plane 12 of the miniature injection needle 5 form an included angle alpha, the included angle alpha is 10-40 degrees, and the included angle alpha is set properly and is convenient for injection.
During assembly, the miniature injection needles 5 are arranged in a fixture of a machining tool for assembly according to a set direction and a set distance, then the machining tool places the miniature injection needles 5 on the top concave platform surface 4 and the bottom concave platform surface 2, and the miniature injection needles 5 are fixed with the top concave platform surface 4 and the bottom concave platform surface 2 through colloid; then the micro needle platform 9 which finishes the fixation of the micro injection needle 5 is inserted into the needle platform installation cavity 11 of the needle seat 7, the needle platform installation cavity 11 is communicated with the liquid medicine cavity 10, the non-needle tip of the micro injection needle 5 is inserted into the liquid medicine cavity 10, then glue is injected from the top of the needle platform installation cavity 11, the glue enters the cavity groove 3, the needle platform installation cavity 11 is sealed by the glue, the micro needle platform 9 and the needle seat 7 are fixed, the contact area between the glue and the micro needle platform 9 and the contact area between the glue and the needle seat 7 are large, and therefore the fixation between the micro needle platform 9 and the needle seat 7 is reliable. The glue does not enter the liquid medicine cavity 10 during the glue injection process.
Claims (8)
1. A microneedle needle stage comprising: including needle platform piece (1), the top and the bottom of a side of needle platform piece (1) are equipped with a concave platform face in top (4) and the concave platform face in end (2) respectively, and concave platform face in top (4) and the concave platform face in end (2) are corresponding.
2. The microneedle needle holder of claim 1, wherein: the needle table block (1) between the top concave table surface (4) and the bottom concave table surface (2) is provided with a cavity groove (3).
3. The microneedle needle holder of claim 1, wherein: the top concave platform surface (4) forms an included angle of 90 degrees with the side wall thereof, and the bottom concave platform surface (2) forms an included angle of 90 degrees with the side wall thereof.
4. A micro needle assembly comprising a plurality of micro injection needles (5) and a needle holder (7) provided with a drug solution chamber (10), characterized in that: the microneedle table (9) according to any one of claims 1 to 3, wherein a plurality of microneedle injection needles (5) are fixed on the top concave platform surface (4) and the bottom concave platform surface (2) through glue, and the microneedle injection needles (5) are parallel; the top end of the needle seat (7) is provided with a needle platform installation cavity (11), the size of the needle platform installation cavity (11) is matched with the micro needle platform (9), the micro needle platform (9) fixed with the micro injection needle (5) is inserted into the needle platform installation cavity (11), and the micro needle platform (9) and the wall of the needle platform installation cavity (11) are fixed through colloid.
5. The micro needle assembly of claim 4, wherein: the periphery of the bottom end of the needle seat (7) is additionally provided with a 6:100 Ruhr joint (8).
6. The micro needle assembly of claim 4, wherein: the number of the micro injection needles (5) is 2-4.
7. The micro needle assembly of claim 4, wherein: the distance between two adjacent micro injection needles (5) is 0.2mm-1.0 mm.
8. The micro needle assembly according to any one of claims 5 to 7, wherein: the side wall of the needle seat (7) at one end provided with the needle platform installation cavity (11) is provided with an inclined plane (6), the inclined plane (6) and the micro injection needle (5) form an included angle alpha with the cutting edge inclined plane (12), and the included angle alpha is 10-40 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123300147.7U CN217286761U (en) | 2021-12-24 | 2021-12-24 | Microneedle needle table and microneedle assembly |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123300147.7U CN217286761U (en) | 2021-12-24 | 2021-12-24 | Microneedle needle table and microneedle assembly |
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| CN217286761U true CN217286761U (en) | 2022-08-26 |
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| CN202123300147.7U Active CN217286761U (en) | 2021-12-24 | 2021-12-24 | Microneedle needle table and microneedle assembly |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463287A (en) * | 2022-09-29 | 2022-12-13 | 珠海丽笙医疗科技有限公司 | Injection needle assembly and needle mounting method |
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2021
- 2021-12-24 CN CN202123300147.7U patent/CN217286761U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115463287A (en) * | 2022-09-29 | 2022-12-13 | 珠海丽笙医疗科技有限公司 | Injection needle assembly and needle mounting method |
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