CN221998635U - Microneedle drug delivery device - Google Patents
Microneedle drug delivery device Download PDFInfo
- Publication number
- CN221998635U CN221998635U CN202420033537.7U CN202420033537U CN221998635U CN 221998635 U CN221998635 U CN 221998635U CN 202420033537 U CN202420033537 U CN 202420033537U CN 221998635 U CN221998635 U CN 221998635U
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- China
- Prior art keywords
- tightening
- petals
- arc
- limiting block
- movable column
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- 238000012377 drug delivery Methods 0.000 title abstract description 8
- 238000009434 installation Methods 0.000 claims description 21
- 230000006835 compression Effects 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 238000001125 extrusion Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 claims description 4
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 5
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 241000446313 Lamella Species 0.000 description 5
- 239000003814 drug Substances 0.000 description 4
- 229940079593 drug Drugs 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000013271 transdermal drug delivery Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000944 nerve tissue Anatomy 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000010254 subcutaneous injection Methods 0.000 description 1
- 239000007929 subcutaneous injection Substances 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000037317 transdermal delivery Effects 0.000 description 1
- 230000037303 wrinkles Effects 0.000 description 1
Landscapes
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
The utility model discloses a microneedle drug delivery device, which comprises a shell, a limiting block, a connecting sleeve and tightening petals, wherein the limiting block is arranged at the lower end of the shell, the lower end of the limiting block is provided with a limiting groove, a mounting table matched with the limiting groove is arranged on the limiting groove, the mounting table can move up and down, microneedles are arranged on the mounting table, the connecting sleeve is in threaded connection with the limiting block, the tightening petals are detachably arranged at the lower end of the connecting sleeve and extend downwards relative to the limiting block, the tightening petals are provided with a plurality of tightening petals which are rotationally symmetrically arranged, arc-shaped anti-skidding lines are arranged at the inner sides of the tightening petals, and when the tightening petals are contacted with skin and extruded by external force, the tightening petals can be outwards unfolded, so that the tightening petals can drive peripheral skin to outwards move, the skin of a drug delivery part is tightly supported, the skin folds are prevented from influencing the drug delivery effect of the microneedles, the arc-shaped anti-skidding lines are arranged at the inner sides of the tightening petals, the problem that the slipping caused when the tightening petals are stressed can be prevented, the comfort of a user can be improved, and the use experience of the user is improved.
Description
Technical Field
The utility model belongs to the technical field of microneedles, and particularly relates to a microneedle drug delivery device.
Background
Transdermal delivery is a delivery means for delivering a drug or biological compound to the human body. The current common administration methods are smearing administration, syringe administration and microneedle administration; compared with the traditional subcutaneous injection, the micro-needle can not contact nerve tissue in the skin due to the shallower penetration depth of the micro-needle into the skin, so that pain is not generated in the administration process. In addition, microneedles typically use a needle array to microinject the drug, allowing for even distribution of the drug in the skin tissue. However, the skin of different people has different tightness, so that the skin has wrinkles and other problems, and the administration effect of the administration device by a user is affected.
Disclosure of utility model
The present utility model aims to provide a microneedle drug delivery device that can solve the above-described problems.
To achieve the above object, a microneedle administration device according to an embodiment of the present utility model includes:
A housing;
The limiting block is arranged at the lower end of the shell, a limiting groove is formed in the lower end of the limiting block, an installation table matched with the limiting groove is arranged on the limiting groove, the installation table can move up and down, and a microneedle is arranged on the installation table; and
The connecting sleeve is in threaded connection with the limiting block;
Tightening petals, detachable sets up the lower extreme of adapter sleeve, and for the stopper extends down, tightening petals are provided with a plurality of, and is a plurality of tightening petals rotationally symmetrical sets up, the inboard of tightening petals is equipped with arc anti-skidding line, tightening petals and skin contact and when receiving external force extrusion, can outwards expand.
Optionally, the tightening valve comprises a valve body and a clamping plate, the clamping plate is arranged at the upper end of the valve body, and a bayonet corresponding to the clamping plate is arranged at the lower end of the connecting sleeve.
Optionally, the valve body includes first connecting portion and arc portion, arc portion locates the lower extreme of first connecting portion, the cardboard is located the upper end of first connecting portion, arc anti-skidding line is located the intrados of arc portion.
Optionally, the casing has holds the chamber, hold the intracavity and be equipped with installation shell, depression bar and driving disk, the upper end of installation shell is seted up flutedly, the upper end of depression bar is equipped with runs through and stretches into the movable column of recess, be equipped with the spring on the stopper, the depression bar with spring elastic connection, and run through the stopper with the mount pad is connected, the bottom of driving disk be equipped with the arc piece that the movable column corresponds, the one end of arc piece is equipped with the inclined plane, the driving disk can rotate, during the driving disk rotates, the inclined plane can extrude the movable column makes the movable column down motion.
Optionally, two movable posts and two arc blocks are symmetrically arranged.
Optionally, the upper end of the movable column is provided with a ball, the ball is exposed relative to the movable column, and the lower end of the arc-shaped block can be in rolling connection with the ball.
Optionally, the depression bar includes from last installation department, butt portion and the second connecting portion that sets gradually down, the movable column sets up on the installation department, the upper end of stopper is equipped with the hollow column, the spring is placed the inside of hollow column, the second connecting portion passes the hollow column runs through the stopper with mount table fixed connection, butt portion with the inside looks adaptation of hollow column, and with the spring looks butt.
Optionally, the reinforcing wall is connected between the mounting portion and the abutting portion and between the stopper and the hollow column.
Optionally, the device further comprises a motor, wherein the motor is arranged in the accommodating cavity and can drive the transmission disc to rotate.
Optionally, the tightening flap is transparently disposed.
Compared with the prior art, the utility model has the beneficial effects that: through the lower extreme that will tighten up the detachable setting of lamella at the adapter sleeve to tighten up the lamella is changed in follow-up dismouting, when using, through holding tight casing extrusion downwards, can make tighten up lamella drive peripheral skin outwards remove, with this skin that realizes propping up the portion of dosing, avoid skin fold to influence the effect of dosing of microneedle, and tighten up the inboard of lamella and set up arc anti-skidding line, can prevent to tighten up the problem that skidding appears when the lamella atress, can improve user's travelling comfort, improve user's use experience and feel.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is an exploded view of the present utility model.
Fig. 2 is a top view of the present utility model.
Fig. 3 is a cross-sectional view taken along line A-A in fig. 2.
Fig. 4 is a perspective view of a driving disk in the present utility model.
Fig. 5 is a perspective view of the present utility model.
Fig. 6 is a perspective view of a housing in the present utility model.
In the figure: the micro-needle comprises a shell 100, a containing cavity 110, a limiting block 200, a limiting groove 210, an installation table 220, a micro-needle 230, a spring 240, a hollow column 250, a connecting sleeve 300, a bayonet 310, a tightening flap 400, a flap body 410, a first connecting part 411, an arc-shaped part 412, an arc-shaped anti-skid thread 4121, a clamping plate 420, an installation shell 500, a groove 510, a compression rod 600, an installation part 610, an abutting part 620, a second connecting part 630, a movable column 640, a ball 641, a transmission disc 700, an arc-shaped block 710, an inclined surface 711, a reinforcing wall 800 and a motor 900.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and intended to illustrate embodiments of the utility model and should not be construed as limiting the utility model.
In the description of the embodiments of the present utility model, it should be understood that, if there is an indication of directionality in the embodiments of the present utility model, such as the direction or positional relationship indicated by the upper, lower, left, right, front, rear, inner, outer, etc. is based on the direction or positional relationship shown in the drawings, this is merely for convenience of describing the embodiments of the present utility model and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the embodiments of the present utility model, the meaning of "plurality" is two or more, unless explicitly defined otherwise.
In the embodiments of the present utility model, unless explicitly stated or limited otherwise, terms such as "mounted," "connected," "secured" and the like are to be construed broadly as being either fixedly connected or detachably connected or integrally formed, for example. It may be a mechanical connection that is made, or may be an electrical connection. Can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present utility model will be understood by those of ordinary skill in the art according to specific circumstances.
As shown in fig. 1 to 6, the embodiment of the present utility model provides a microneedle drug delivery device, which comprises a housing 100, a stopper 200, a connecting sleeve 300 and a tightening flap 400, wherein the stopper 200 is disposed at the lower end of the housing 100, further, a stopper groove 210 is disposed at the lower end of the stopper 200, an installation table 220 adapted to the stopper groove 210 is disposed on the stopper groove 210, the installation table 220 can move up and down, and a microneedle 230 is disposed on the installation table 220, that is, the installation table 220 moves down, so that the microneedle 230 pierces the skin with the drug smeared on the skin; further, the connecting sleeve 300 is in threaded connection with the limiting block 200 so as to facilitate disassembly and assembly; tightening flap 400 detachable sets up in the lower extreme of adapter sleeve 300 to follow-up dismouting of being convenient for is changed and is tightened flap 400, tightens flap 400 and extends down for stopper 200, tightens flap 400 and is provided with a plurality of, and a plurality of tightening flaps 400 rotational symmetry set up, tightens flap 400 and skin contact and when receiving external force extrusion, can outwards expand, when using promptly, through holding tight casing 100 and extrudees down, can make to tighten flap 400 drive peripheral skin outwards removal, thereby realize propping up the skin of dosing position, avoid skin fold to influence the dosing effect of microneedle 230, further, tighten flap 400's inboard is equipped with arc anti-skidding line 4121, thereby prevent to appear the problem that skids when tightening flap 400 atress, and can improve user's travelling comfort, and then improve user experience and feel.
In an embodiment, in order to realize that the tightening flap 400 can be detachably mounted at the lower end of the connecting sleeve 300, specifically, the tightening flap 400 includes a flap body 410 and a clamping plate 420, wherein the clamping plate 420 is disposed at the upper end of the flap body 410, and the lower end of the connecting sleeve 300 is provided with a bayonet 310 corresponding to the clamping plate 420, more specifically, the flap body 410 and the clamping plate 420 are integrally formed, so as to facilitate production and processing.
In some specific embodiments, the flap 410 includes a first connecting portion 411 and an arc portion 412, the arc portion 412 is disposed at a lower end of the first connecting portion 411, specifically, the arc portion 412 is bent outwards, so that when being extruded from the outside, the flap can be spread outwards to tighten the skin, the clip 420 is disposed at an upper end of the first connecting portion 411, and the arc anti-slip pattern 4121 is disposed at an intrados of the arc portion 412.
Optionally, the casing 100 has a cavity 110, a mounting shell 500, a compression bar 600 and a transmission disc 700 are disposed in the cavity 110, wherein the casing 100 has the cavity 110, the mounting shell 500 is disposed in the cavity 110, further, a groove 510 is formed at the upper end of the mounting shell 500, the compression bar 600 is disposed in the mounting shell 500, a movable column 640 penetrating and extending into the groove 510 is disposed at the upper end of the compression bar 600, further, a limiting block 200 is disposed at the lower end of the casing 100, and a spring 240 is disposed on the limiting block 200; the compression bar 600 is elastically connected with the spring 240, and is connected with the mounting table 220 through the stopper 200, specifically, the stopper 200 is screwed with the mounting table 230.
Further, an arc block 710 corresponding to the movable column 640 is arranged at the bottom of the driving disc 700, and specifically, the arc angle of the limiting block 200 is 100 °; further, one end of the arc block 710 is provided with an inclined surface 711, the driving disc 700 can rotate, when the driving disc 700 rotates, the inclined surface 711 can press the movable column 640, so that the movable column 640 moves downwards, namely, the movable column 640 is pressed by the inclined surface 711 on the arc block 710 to move downwards, the compression bar 600 can drive the micro-needles on the mounting table 220 to penetrate into the skin, the structure is simple and stable, and the spring 240 can play roles of buffering and resetting; the arc-shaped block 710 can also enable the microneedle to last for a certain time after being inserted into the skin, so that the drug administration effect of the microneedle is improved, and the use experience of a user can be greatly improved.
In an embodiment, two movable posts 640 and two arc-shaped blocks 710 are symmetrically disposed, so as to improve the stability of the up-and-down movement of the compression bar 600.
In one embodiment, in order to improve the smoothness between the arc-shaped block 710 and the movable post 640 and reduce friction, the ball 641 is disposed at the upper end of the movable post 640, and the ball 641 is exposed relative to the movable post 640, so that the lower end of the arc-shaped block 710 can be in rolling connection with the ball 641 when the arc-shaped block 710 rotates.
In an embodiment, the compression bar 600 includes a mounting portion 610, an abutting portion 620 and a connecting portion 630 sequentially disposed from top to bottom, the movable post 640 is disposed on the mounting portion 610, the upper end of the limiting block 200 is provided with a hollow post 250, the spring 240 is disposed inside the hollow post 250, the connecting portion 630 penetrates through the hollow post 250 and penetrates through the limiting block 200 to be fixedly connected with the mounting table 220, the abutting portion 620 is matched with the inside of the hollow post 250, and abuts against the spring 240, so that the compression bar 600 can be elastically connected with the spring 240.
In an embodiment, the microneedle transdermal drug delivery device is further provided with a reinforcing wall 800, and the reinforcing wall 800 is connected between the mounting portion 610 and the abutment portion 620 and between the stopper 200 and the hollow column 250, and the reinforcing wall 800 can effectively improve the stability of the connection structure, thereby preventing deformation and prolonging the service life.
The microneedle transdermal drug delivery device is further provided with a motor 900, the motor 900 is arranged in the accommodating cavity 110, the motor 900 can drive the transmission disc 700 to rotate, and specifically, a shaft of the motor 900 is fixedly connected with the transmission disc 700, so that the transmission disc 700 is driven to rotate.
Optionally, the tightening petals 400 are transparently arranged, i.e., the tightening petals 400 are made of transparent plastic material, so that the user can observe the motion of the microneedle 230.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A microneedle delivery device, comprising:
A housing;
The limiting block is arranged at the lower end of the shell, a limiting groove is formed in the lower end of the limiting block, an installation table matched with the limiting groove is arranged on the limiting groove, the installation table can move up and down, and a microneedle is arranged on the installation table; and
The connecting sleeve is in threaded connection with the limiting block;
Tightening petals, detachable sets up the lower extreme of adapter sleeve, and for the stopper extends down, tightening petals are provided with a plurality of, and is a plurality of tightening petals rotationally symmetrical sets up, the inboard of tightening petals is equipped with arc anti-skidding line, tightening petals and skin contact and when receiving external force extrusion, can outwards expand.
2. A microneedle delivery apparatus according to claim 1, wherein,
The tightening valve comprises a valve body and a clamping plate, wherein the clamping plate is arranged at the upper end of the valve body, and a bayonet corresponding to the clamping plate is arranged at the lower end of the connecting sleeve.
3. A microneedle delivery apparatus according to claim 2, wherein,
The valve body comprises a first connecting portion and an arc-shaped portion, the arc-shaped portion is arranged at the lower end of the first connecting portion, the clamping plate is arranged at the upper end of the first connecting portion, and the arc-shaped anti-skid patterns are arranged on the inner cambered surface of the arc-shaped portion.
4. A microneedle delivery apparatus according to claim 1, wherein,
The casing has holds the chamber, hold intracavity and be equipped with installation shell, depression bar and driving disk, the upper end of installation shell is seted up flutedly, the upper end of depression bar is equipped with runs through and stretches into the movable column of recess, be equipped with the spring on the stopper, the depression bar with spring elastic connection, and run through the stopper with the mount pad is connected, the bottom of driving disk be equipped with the arc piece that the movable column corresponds, the one end of arc piece is equipped with the inclined plane, the driving disk can rotate, during the driving disk rotates, the inclined plane can extrude the movable column makes the movable column down motion.
5. A microneedle delivery apparatus according to claim 4, wherein,
The movable column and the arc-shaped block are symmetrically provided with two movable columns.
6. A microneedle delivery apparatus according to claim 4, wherein,
The upper end of the movable column is provided with a ball, the ball is exposed relative to the movable column, and the lower end of the arc-shaped block can be in rolling connection with the ball.
7. A microneedle delivery apparatus according to claim 4, wherein,
The compression bar includes from last installation department, butt portion and the second connecting portion that sets gradually down, the movable column sets up on the installation department, the upper end of stopper is equipped with the hollow post, the spring is placed the inside of hollow post, the second connecting portion passes the hollow post runs through the stopper with mount table fixed connection, butt portion with the inside looks adaptation of hollow post, and with the spring looks butt.
8. The microneedle delivery device of claim 7, further comprising:
The reinforcing wall is connected between the mounting part and the abutting part and between the limiting block and the hollow column.
9. The microneedle delivery device of claim 4, further comprising:
and the motor is arranged in the accommodating cavity and can drive the transmission disc to rotate.
10. A microneedle delivery apparatus according to claim 1, wherein,
The tightening petals are arranged in a transparent mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420033537.7U CN221998635U (en) | 2024-01-05 | 2024-01-05 | Microneedle drug delivery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420033537.7U CN221998635U (en) | 2024-01-05 | 2024-01-05 | Microneedle drug delivery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221998635U true CN221998635U (en) | 2024-11-15 |
Family
ID=93425630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420033537.7U Active CN221998635U (en) | 2024-01-05 | 2024-01-05 | Microneedle drug delivery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221998635U (en) |
-
2024
- 2024-01-05 CN CN202420033537.7U patent/CN221998635U/en active Active
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