CN213252551U

CN213252551U - Electric microneedle

Info

Publication number: CN213252551U
Application number: CN202021120586.2U
Authority: CN
Inventors: 翁兴根
Original assignee: Suzhou Cynour Medical Technology Co ltd
Current assignee: Suzhou Cynour Medical Technology Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-05-25
Anticipated expiration: 2030-06-17

Abstract

The utility model discloses an electric microneedle, which comprises an installation head, wherein a first microneedle installation plate is arranged on the lower bottom surface of the installation head, a first microneedle main body is uniformly installed on the first microneedle installation plate, a second microneedle installation block is arranged below the inner part of the installation head, a second microneedle main body is uniformly installed on the lower surface of the second microneedle installation block, a through hole is formed in the position, corresponding to the second microneedle main body, of the first microneedle installation plate, a connecting block is fixed in the middle of the upper surface of the second microneedle installation block, the utility model discloses a second microneedle is arranged above the first microneedle installation plate, a second microneedle pushing device can push the second microneedle to move downwards until the second microneedle installation plate passes through the first microneedle, so that the first microneedle and the second microneedle can work simultaneously, the density of the microneedle of the device is reduced, and the replacement head is omitted, loss of the replacement header is avoided.

Description

Electric microneedle

Technical Field

The utility model relates to an electronic micropin technical field specifically is an electronic micropin.

Background

The stratum corneum is the most important protective layer of the skin and also a barrier to penetration of nutrients into the skin. In order to increase the transdermal penetration of nutrients, special penetration-promoting tools are used to open the barrier to skin absorption. Some electrically driven microneedles are currently on the market;

the electric micro-needle in the prior art is provided with a plurality of replaceable micro-needle heads, the needle density of the micro-needle heads is different, the mode of changing the micro-needle density is inconvenient, and the replacement is easy to lose.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic micropin to solve the electronic micropin among the prior art and set up a plurality of removable little syringe needles, the needle density of these little syringe needles is different, and this kind of mode that changes micropin density is comparatively inconvenient, and such replacement dress is the problem of easily losing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an electronic micropin, includes the installation head, the lower bottom surface of installation head is provided with first micropin mounting panel, even install first micropin main part on the first micropin mounting panel, the inside below of installation head is provided with second micropin installation piece, the even second micropin main part of installing of lower surface of second micropin installation piece, the through-hole has been seted up with the position that second micropin main part corresponds on the first micropin mounting panel, the upper surface middle part of second micropin installation piece is fixed with the connecting block, install the second micropin thrust unit who is used for driving the connecting block to go up and down in the middle of the inside top of installation head.

Preferably, the second microneedle pushing device comprises two screw rods, driven internal thread gears, a driving gear and a motor, wherein the lower ends of the screw rods are fixed to the connecting block, the driven internal thread gears are in threaded connection with the outer portion of the circumference of the screw rods, the driving gear is meshed between the two driven internal thread gears, and the motor is used for driving the driving gear to rotate.

Preferably, a driven gear seat is fixed below the driven internal thread gear, limiting seats are arranged on two sides of the driven gear seat, and the limiting seats are fixed to the inner wall of the mounting head.

Preferably, guide rods are installed in the installation head and at positions corresponding to two sides of the second microneedle installation block, and the guide rods penetrate through the second microneedle installation block.

Preferably, the mounting head is located inside the lower barrel, an upper barrel is arranged above the lower barrel, a main body push rod is inserted into the upper barrel from top to bottom, a push-pull block is fixed between the lower end of the main body push rod and the mounting head, a spring is sleeved outside the circumference of the main body push rod, the upper end of the spring is fixed to the position, close to the upper end, of the main body push rod through an upper spring seat, and the lower end of the spring is fixed to the upper end of the lower barrel through a lower spring seat.

Preferably, guide grooves are formed in the two sides of the push-pull block, and guide blocks matched with the guide grooves are arranged on the two sides of the interior of the mounting head.

Preferably, a connecting part is arranged at a position close to the lower part outside the circumference of the upper barrel.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses first micropin can work alone, has set up the second micropin above the mounting panel of first micropin, and second micropin thrust unit can promote the second micropin downstream, until the mounting panel that passes first micropin for first micropin can simultaneous working with the second micropin, and then so that make this device can adjust the density of micropin, with the skin matter that adapts to the difference, removed the replacement head from, just avoided losing of replacement head.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the mounting head of the present invention;

FIG. 3 is an enlarged view of area A of FIG. 2;

fig. 4 is an enlarged view of region B of fig. 2.

In the figure: 1. a main body push rod; 2. a spring; 21. an upper spring seat; 22. a lower spring seat; 3. feeding the cylinder; 4. a lower barrel; 5. a guide block; 6. a push-pull block; 61. a guide groove; 7. a mounting head; 8. a first microneedle body; 9. a second microneedle pushing device; 91. a screw rod; 92. a driven internal thread gear; 93. a driven gear seat; 94. a limiting seat; 95. A driving gear; 96. a motor; 10. a first microneedle mounting plate; 11. a second microneedle body; 12. a connecting portion; 13. a guide bar; 14. a second microneedle mounting block; 15. and (4) connecting the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, an electric microneedle includes a lower barrel 4, an upper barrel 3 is disposed above the lower barrel 4, a main body push rod 1 is inserted into the upper barrel 3 from top to bottom, a push-pull block 6 is fixed at a lower end of the main body push rod 1, an installation head 7 is installed at a lower end of the push-pull block 6, the push-pull block 6 can be pushed when the main body push rod 1 moves downward, the installation head 7 can be pushed when the push-pull block 6 moves downward, and the installation head 7 is used for installing a microneedle;

continuing to refer to fig. 1, a spring 2 is sleeved outside the circumference of the main body push rod 1, the upper end of the spring 2 is fixed to the position, close to the upper end, of the main body push rod 1 through an upper spring seat 21, the lower end of the spring 2 is fixed to the upper end of the lower barrel 4 through a lower spring seat 22, when the main body push rod 1 moves downwards, the spring 2 is in a compressed state, and when the main body push rod 1 loses downward thrust, the spring 2 is in a rebound state so as to push the main body push rod 1 upwards;

as shown in fig. 1 and 2, guide grooves 61 are formed in both sides of the push-pull block 6, guide blocks 5 adapted to the guide grooves 61 are arranged on both sides of the interior of the mounting head 7, when the main body push rod 1 moves up and down, the push-pull block 6 can also move up and down, and the guide grooves 61 can move up and down along the guide blocks 5 at the moment so as to guide the push-pull block 6, thereby preventing the microneedle from being inclined due to inclination when the push-pull block 6 moves up and down;

as shown in fig. 2 and 3, a first microneedle mounting plate 10 is disposed on a lower bottom surface of the mounting head 7, a first microneedle body 8 is uniformly mounted on the first microneedle mounting plate 10, and when the mounting head 7 moves downward, the mounting head 7 can pass through a lower end of the lower barrel 4, so that the first microneedle body 8 can work;

continuing to refer to fig. 2 and 3, a second microneedle mounting block 14 is arranged below the inside of the mounting head 7, guide rods 13 are respectively mounted in the mounting head 7 at positions corresponding to two sides of the second microneedle mounting block 14, the guide rods 13 penetrate through the second microneedle mounting block 14, a connecting block 15 is fixed in the middle of the upper surface of the second microneedle mounting block 14, a second microneedle pushing device 9 for driving the connecting block 15 to ascend and descend is mounted in the middle of the upper part of the inside of the mounting head 7, the second microneedle pushing device 9 can drive the connecting block 15 to ascend and descend, and then the second microneedle mounting block 14 can move up and down, when the second microneedle mounting block 14 moves up and down, the guide rods 13 can guide the second microneedle mounting block 14 to prevent the second microneedle mounting block from deviating;

continuing to refer to fig. 2 and 3, a second microneedle main body 11 is uniformly installed on the lower surface of the second microneedle installation block 14, a through hole is formed in the first microneedle installation block 10 at a position corresponding to the second microneedle main body 11, and when the second microneedle installation block 14 moves downward, the second microneedle main body 11 can move downward and can pass through the through hole, so that the first microneedle main body 8 and the second microneedle main body 11 can be in a working state, and the density of microneedles can be adjusted;

referring to fig. 1 and 4, the second microneedle pushing device 9 includes two lead screws 91 with lower ends fixed to the connecting block 15, a driven internal thread gear 92 screwed to the outside of the circumference of the lead screw 91, a driving gear 95 engaged between the two driven internal thread gears 92, and a motor 96 for driving the driving gear 95 to rotate, a driven gear seat 93 is fixed below the driven internal thread gear 92, both sides of the driven gear seat 93 are provided with limit seats 94, and the limit seats 94 are fixed to the inner wall of the mounting head 7, the motor 96 drives the driving gear 95 to rotate, the driving gear 95 rotates to drive the two driven internal thread gears 92 to rotate, since the driven gear seat 93 is limited by the limit seats 94, the driven gear seat 93 can only rotate and cannot move up and down, that is, the driven internal thread gear 92 can only rotate and cannot move up and down, since the lead screws 91 are screwed to the driven internal thread gears 92, the driven internal thread gear 92 rotates to drive the screw rod 91 to lift so as to realize the lifting of the connecting block 15;

as shown in fig. 1, a connection portion 12 is provided at a position near the lower portion of the outer circumference of the upper barrel 3, and the connection portion 12 may be a screw connection or a plug connection, which is shown as a screw connection.

The utility model discloses a theory of operation and use flow: when the device is used, a machine body firstly pushes a main body push rod 1, the main body push rod 1 can push a push-pull block 6 when moving downwards, the push-pull block 6 can push a mounting head 7 when moving downwards, the mounting head 7 can pass through the lower end of a lower barrel 4 so as to facilitate the operation of a first microneedle main body 8, when the density of microneedles is required to be adjusted to ensure that the microneedles are more dense, a motor 96 drives a driving gear 95 to rotate, the driving gear 95 can drive two driven internal thread gears 92 to rotate, the driven gear seat 93 can only rotate and can not move up and down because the driven gear seat 93 is limited by a limiting seat 94, namely, the driven internal thread gears 92 can only rotate and can not move up and down, the screw rod 91 is in threaded connection with the driven internal thread gears 92, the driven internal thread gears 92 can drive the screw rod 91 to lift so as to realize the lifting of a connecting block 15, and then the, when second micropin installation piece 14 moves up and down, guide bar 13 can lead for second micropin installation piece 14, avoids it to take place askew, and when second micropin installation piece 14 moves down, second micropin main part 11 can move down to can pass the through-hole, so that first micropin main part 8 all can be in operating condition with second micropin main part 11, realizes the adjustment of micropin density, is applicable to different skin types.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An electric microneedle comprising a mounting head (7), characterized in that: the lower bottom surface of installation head (7) is provided with first micropin mounting panel (10), even install first micropin main part (8) on first micropin mounting panel (10), the inside below of installation head (7) is provided with second micropin installation piece (14), the even second micropin main part (11) of installing of lower surface of second micropin installation piece (14), the through-hole has been seted up with the position that second micropin main part (11) correspond on first micropin mounting panel (10), the upper surface middle part of second micropin installation piece (14) is fixed with connecting block (15), install in the middle of the inside top of installation head (7) and be used for driving second micropin thrust unit (9) that connecting block (15) go up and down.

2. An electrically driven microneedle according to claim 1, characterized in that: the second microneedle pushing device (9) comprises two screw rods (91) with lower ends fixed with the connecting block (15), driven internal thread gears (92) in threaded connection with the outer portion of the circumference of the screw rods (91), a driving gear (95) meshed between the two driven internal thread gears (92) and a motor (96) used for driving the driving gear (95) to rotate.

3. An electrically driven microneedle according to claim 2, characterized in that: a driven gear seat (93) is fixed below the driven internal thread gear (92), limiting seats (94) are arranged on two sides of the driven gear seat (93), and the limiting seats (94) are fixed with the inner wall of the mounting head (7).

4. An electrically driven microneedle according to claim 1, characterized in that: guide rods (13) are installed in the installation head (7) and at positions corresponding to two sides of the second microneedle installation block (14), and the guide rods (13) penetrate through the second microneedle installation block (14).

5. An electrically driven microneedle according to claim 1, characterized in that: still include a lower section of thick bamboo (4), installation head (7) are located the inside of a lower section of thick bamboo (4), the top of a lower section of thick bamboo (4) is provided with a section of thick bamboo (3), and the inside from the top of going up a section of thick bamboo (3) has inserted main part push rod (1) downwards, and is fixed with between the lower extreme of main part push rod (1) and installation head (7) and pushes away pull piece (6), and the outside cover of circumference of main part push rod (1) is equipped with spring (2), and the upper end of spring (2) is fixed mutually through last spring holder (21) and main part push rod (1) position that is close to the upper end, and the lower extreme of spring (2) is fixed mutually through the upper end of.

6. An electrically driven microneedle according to claim 5, characterized in that: guide slots (61) are formed in the two sides of the push-pull block (6), and guide blocks (5) matched with the guide slots (61) are arranged on the two sides of the interior of the mounting head (7).

7. An electrically driven microneedle according to claim 5, characterized in that: and a connecting part (12) is arranged at a position close to the lower part outside the circumference of the upper barrel (3).