CN219743683U - Liquid medicine leading-in head and medicine feeding device - Google Patents
Liquid medicine leading-in head and medicine feeding device Download PDFInfo
- Publication number
- CN219743683U CN219743683U CN202320310019.0U CN202320310019U CN219743683U CN 219743683 U CN219743683 U CN 219743683U CN 202320310019 U CN202320310019 U CN 202320310019U CN 219743683 U CN219743683 U CN 219743683U
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- China
- Prior art keywords
- head
- liquid
- liquid outlet
- plug
- sealing ring
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- 239000007788 liquid Substances 0.000 title claims abstract description 144
- 239000003814 drug Substances 0.000 title claims abstract description 92
- 238000007789 sealing Methods 0.000 claims abstract description 46
- 229940079593 drug Drugs 0.000 claims description 14
- 239000000243 solution Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 5
- 238000012377 drug delivery Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 210000003491 skin Anatomy 0.000 description 10
- 238000000034 method Methods 0.000 description 2
- 229910021421 monocrystalline silicon Inorganic materials 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000013271 transdermal drug delivery Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241001411320 Eriogonum inflatum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004207 dermis Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 210000000434 stratum corneum Anatomy 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Abstract
The utility model provides a liquid medicine leading-in head and a medicine feeding device, which comprises a liquid medicine leading-in head, a liquid outlet head fixedly arranged at the front end of the liquid medicine leading-in head and a chip fixedly arranged at the middle part of the front end of the liquid outlet head, wherein a plurality of liquid outlet holes are formed in the front of the liquid outlet head and around the chip, a sealing ring is fixedly connected in the liquid outlet head, a plug head is movably inserted in one side of the sealing ring, a plurality of springs are fixedly connected to one side of the mounting ring away from the plug head, and the other ends of the springs are fixedly connected with one side of the interior of the liquid outlet head. According to the utility model, the liquid outlet hole formed in the front end of the liquid outlet head is sealed by the sealing ring and the plug head, and in an initial state, the mounting ring drives the plurality of plug heads to be embedded into the sealing ring under the elastic acting force of the spring, so that the hole communicated with the liquid outlet hole by the sealing ring is sealed and blocked, and the liquid medicine in the medicine bottle is prevented from leaking.
Description
Technical Field
The utility model relates to the technical field of transdermal drug delivery, in particular to a drug liquid leading-in head and a drug delivery device.
Background
Currently, nanomicroneedles or nanowafers are being widely used in the transdermal drug delivery field. The nano-wafer is a special nano permeation promoting tool developed according to the skin structure of a human body, and is carved by monocrystalline silicon through a nano technology process. The surface of the nano-wafer is a series of micro-needle arrays which can open the outermost stratum corneum of the skin, and at the same time, the dermis layer is not damaged, so that the drug permeability is greatly improved. The biocompatibility of the monocrystalline silicon ensures the safety of the nanocrystalline in the use process
Through searching, the Chinese patent No. 209490376U discloses a liquid medicine introducing head and a medicine feeding device, wherein the liquid medicine introducing head comprises: a liquid medicine introduction head body and a chip arranged on the end face of the liquid medicine introduction head body; the liquid medicine leading-in head comprises a liquid medicine leading-in head body, a liquid chip, a liquid crystal display device and a chip, wherein one end of the liquid medicine leading-in head body is opened, the other end of the liquid medicine leading-in head body is discharged, an inserting end is formed at the opening end of the liquid medicine leading-in head body, a sealing structure is arranged on the outer peripheral wall surface or the inner peripheral wall surface of the inserting end, a liquid outlet hole communicated with the inside of the liquid medicine leading-in head is formed in the end surface of the liquid medicine leading-out head body, and the chip is provided with a lattice structure which is arranged in an array mode. The liquid medicine introducing head can be used as a bottle stopper to be plugged into a liquid medicine bottle, can realize transdermal administration and has the advantages of convenient use and lower cost.
The existing device has the following problems when in use: the end face of the liquid outlet end of the liquid medicine leading-in head body is provided with a liquid outlet hole communicated with the inside of the liquid medicine leading-in head, the liquid outlet hole and the liquid medicine leading-in head body are always kept in a communicated state, when the direction of the liquid medicine leading-in head faces downwards, liquid medicine in the liquid medicine bottle flows out from the liquid outlet hole through the liquid medicine leading-in head, and when the liquid medicine leading-in head is not contacted with skin, the liquid medicine flows out, so that certain waste is caused.
Disclosure of Invention
The utility model aims to solve the problem that when the liquid outlet hole is always communicated with the liquid medicine introducing head body, and the direction of the liquid medicine introducing head is downward, the liquid medicine in the liquid medicine bottle flows out from the liquid outlet hole through the liquid medicine introducing head, so that the liquid medicine flows out when the liquid medicine introducing head is not contacted with the skin, and a certain waste is caused.
In order to solve the technical problems, the utility model provides a liquid medicine leading-in head and a medicine feeding device, which comprises the liquid medicine leading-in head, a liquid outlet head fixedly arranged at the front end of the liquid medicine leading-in head and a chip fixedly arranged at the middle part of the front end of the liquid outlet head, wherein a plurality of liquid outlet holes are formed in the periphery of the liquid outlet head and uniformly arranged along the circumferential direction of the liquid outlet head, a sealing ring is fixedly connected in the liquid outlet head, a plug is movably inserted at one side of the sealing ring, one end of the plug penetrates through the sealing ring and extends out of the liquid outlet hole, one surface of the plug, far away from the sealing ring, of the mounting ring is fixedly connected with a plurality of springs, the springs are uniformly arranged along the circumferential direction of the mounting ring, and the other end of the springs is fixedly connected with the inner surface of the liquid outlet head.
Preferably, a plurality of round holes corresponding to the liquid outlet holes one by one are formed in one surface of the sealing ring, the size of the round holes is the same as that of the liquid outlet holes, and conical holes corresponding to the round holes one by one are formed in the other surface of the sealing ring.
Preferably, the plug includes that the activity inserts at the inside press head of play liquid hole and round hole, the plug still includes the toper piece with taper hole looks adaptation, and the toper piece activity inserts in the inside of taper hole, the plug still includes the spliced pole of fixed connection at the taper hole back, and the one end and the collar fixed connection that the spliced pole kept away from the toper piece.
Preferably, the external thread is arranged on the outer surface of one side of the liquid medicine leading-in head, which is close to the liquid outlet head, a sealing gasket is adhered on the outer surface of the other side of the liquid outlet head, a groove is arranged on the outer surface of the other side of the liquid medicine leading-in head, and a sealing ring is sleeved in the groove.
Preferably, one end of the pressing head extends out of the liquid outlet hole and protrudes out of the chip, and one end of the pressing head extending out of the liquid outlet hole is provided with a round corner.
Preferably, the plug is integrally injection molded.
A drug delivery device comprising a housing, a drug solution bottle fitted in one end of the housing, and a drug solution introduction head as claimed in any one of claims to be screw-fitted to the drug solution bottle.
Compared with the prior art, the utility model provides a liquid medicine leading-in head and a medicine feeding device, which have the following beneficial effects:
according to the utility model, the liquid outlet hole formed in the front end of the liquid outlet head is sealed by the sealing ring and the plug head, and in an initial state, the mounting ring drives the plurality of plug heads to be embedded into the sealing ring under the elastic acting force of the spring, so that the hole communicated with the liquid outlet hole is sealed and blocked, and the liquid medicine in the medicine bottle is prevented from leaking.
Drawings
FIG. 1 is a schematic view of a drug solution introducing head according to the present utility model;
FIG. 2 is an exploded view of the drug solution introducing head of the present utility model;
FIG. 3 is a schematic view of a seal ring of the present utility model;
FIG. 4 is a schematic illustration of a plug of the present utility model;
FIG. 5 is a schematic view showing a state in which the drug solution introducing head of the present utility model is not in use;
FIG. 6 is a schematic view showing a state in which the medical fluid introducing head of the present utility model is in use;
FIG. 7 is a schematic view showing a structure of a chemical introduction head according to the present utility model;
in the figure: 1. a liquid medicine introduction head; 2. a liquid outlet head; 3. a chip; 4. a liquid outlet hole; 5. a groove; 6. an external thread; 7. a sealing gasket; 8. a seal ring; 9. a seal ring; 91. a round hole; 92. a tapered bore; 10. a plug head; 101. pressing head; 102. a conical block; 103. a connecting column; 11. a mounting ring; 12. a spring; 13. a housing; 14. a liquid medicine bottle.
Detailed Description
The utility model relates to a liquid medicine leading-in head and a medicine feeding device, as shown in figures 1-7, the liquid medicine leading-in head comprises a liquid medicine leading-in head 1, a liquid outlet head 2 fixedly arranged at the front end of the liquid medicine leading-in head 1 and a chip 3 fixedly arranged at the middle part of the front end of the liquid outlet head 2, a plurality of liquid outlet holes 4 are formed in the periphery of the chip 3, the liquid outlet holes 4 are uniformly arranged along the circumferential direction of the liquid outlet head 2, a sealing ring 9 is fixedly connected inside the liquid outlet head 2, one side surface of the sealing ring 9 is movably inserted with a plug 10, one end of the plug 10 penetrates through the sealing ring 9 and extends out of the liquid outlet hole 4, one surface of the plug 10 far away from the sealing ring 9 is fixedly connected with a mounting ring 11, one surface of the mounting ring 11 far away from the plug 10 is fixedly connected with a plurality of springs 12, the other ends of the springs 12 are fixedly connected with one surface of the inner surfaces of the liquid outlet head 2, the liquid outlet holes 4 are formed in the front of the liquid outlet head 2 by the aid of the arranged sealing ring 9 and the plug 10, the liquid outlet holes 4 are sealed, in the initial state, the sealing ring 11 is driven by the sealing ring 11 and the plug 9 under the elasticity of the springs 12, the sealing ring 9 is driven by the sealing ring, the plug 9 is contracted, the liquid medicine is prevented from flowing into the sealing ring 10, and the liquid medicine is prevented from flowing into the liquid medicine holes through the sealing ring 9 through the sealing ring, and is further prevented from being leaked out of the sealing ring 9, and is further contacted with the liquid medicine hole 9 when the liquid medicine is conveniently and further contacted with the sealing ring 9.
As shown in fig. 2 and 3, one surface of the sealing ring 9 is provided with a plurality of round holes 91 corresponding to the liquid outlet holes 4 one by one, the round holes 91 and the liquid outlet holes 4 are the same in size, the other surface of the sealing ring 9 is provided with conical holes 92 corresponding to the round holes 91 one by one, the round holes 91 are communicated with the conical holes 92, and the liquid outlet holes 4 are matched to form a liquid medicine circulation channel.
As shown in fig. 3 and 4, the plug 10 is formed by integral injection molding, the plug 10 includes a pressing head 101 movably inserted into the liquid outlet hole 4 and the circular hole 91, the plug 10 further includes a tapered block 102 adapted to the tapered hole 92, the tapered block 102 is movably inserted into the tapered hole 92, the plug 10 further includes a connecting column 103 fixedly connected to the back of the tapered hole 92, and one end of the connecting column 103 away from the tapered block 102 is fixedly connected with the mounting ring 11.
As shown in fig. 5, in the initial state, under the elastic action of the spring 12, the tapered block 102 is completely embedded into the tapered hole 92, so as to seal the tapered hole 92 and seal the flow channel of the liquid medicine, at this time, the pressing head 101 enters the circular hole 91 and the liquid outlet hole 4, and one end of the pressing head 101 extends out of the liquid outlet hole 4.
As shown in fig. 6, when the liquid outlet head 2 is pressed against the skin in use, when the pressing head 101 is pressed, the spring 12 is contracted, the pressing head 101 is retracted into the liquid outlet hole 4 and the circular hole 91, and the tapered holes 102 are opposite to the outer ends of the tapered holes 92, so that a gap is formed between the tapered holes 102 and the tapered holes 92, and a flow passage of the liquid medicine is opened.
As shown in fig. 2, an external thread 6 is provided on the outer surface of one side of the liquid medicine introducing head 1, which is close to the liquid outlet head 2, a sealing gasket 7 is adhered on the outer surface of the other side of the liquid outlet head 2, a groove 5 is provided on the outer surface of the other side of the liquid medicine introducing head 1, a sealing gasket 8 is sleeved in the groove 5, and the sealing gasket 8 is in threaded connection and is detached from the liquid medicine introducing head 1 and the medicine, and meanwhile, the sealing gasket 7 and the sealing gasket 8 are additionally arranged to increase the tightness between the liquid medicine introducing head 1 and the medicine.
As shown in fig. 5 and 6, one end of the pressing head 101 extends out of the liquid outlet 4 and protrudes out of the chip 3, one end of the pressing head 101 extending out of the liquid outlet 4 is provided with a round corner, before the chip contacts with skin, the pressing head 101 contacts with the skin for the first time and presses with the skin, and then a circulation channel of liquid medicine is opened, and the round corner is convenient for sliding on the skin 1 to avoid scratching the skin.
As shown in fig. 7, a drug delivery device comprises a housing 13, a drug solution bottle 14 fitted in one end of the housing 13, and a drug solution introduction head screwed to the drug solution bottle 14.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a liquid medicine leading-in head, includes liquid medicine leading-in head (1) and fixed mounting go out liquid head (2) and fixed mounting at the chip (3) of liquid medicine leading-in head (1) front end at liquid head (2) front end middle part, a serial communication port, a plurality of play liquid holes (4) have been seted up around the preceding position of liquid head (2) in chip (3), a plurality of play liquid holes (4) are evenly arranged along the circumferencial direction of liquid head (2), go out the inside fixedly connected with sealing ring (9) of liquid head (2), a plug (10) has been pegged graft in the activity of a side of sealing ring (9), and the one end of plug (10) runs through sealing ring (9) and extends out liquid hole (4), the one side fixedly connected with collar (11) of keeping away from sealing ring (9) of plug (10), one side fixedly connected with a plurality of springs (12) of collar (11) keep away from plug (10), and the other end and the inside fixedly connected with of liquid head (2) of a plurality of springs (12).
2. The medical fluid introduction head according to claim 1, wherein: a plurality of round holes (91) corresponding to the liquid outlet holes (4) one by one are formed in one surface of the sealing ring (9), the round holes (91) are identical to the liquid outlet holes (4) in size, and conical holes (92) corresponding to the round holes (91) one by one are formed in the other surface of the sealing ring (9).
3. The medical fluid introduction head according to claim 1, wherein: the plug (10) is including the activity inserts inside pressure head (101) at play liquid hole (4) and round hole (91), plug (10) still include conical block (102) with taper hole (92) looks adaptation, and conical block (102) activity inserts in the inside of taper hole (92), plug (10) still include spliced pole (103) of fixed connection at taper hole (92) back, and spliced pole (103) keep away from the one end and collar (11) fixed connection of conical block (102).
4. The medical fluid introduction head according to claim 1, wherein: external threads (6) are formed on the outer surface of one side, close to the liquid outlet head (2), of the liquid medicine introduction head (1), a sealing gasket (7) is adhered to the outer surface of the other side, close to the liquid outlet head (2), of the liquid medicine introduction head (1), a groove (5) is formed on the outer surface of the other side of the liquid medicine introduction head (1), and a sealing ring (8) is sleeved in the groove (5).
5. A medical fluid introduction head as defined in claim 3, wherein: one end of the pressing head (101) extends out of the liquid outlet hole (4) and protrudes out of the chip (3), and one end of the pressing head (101) extending out of the liquid outlet hole (4) is provided with a round corner.
6. The medical fluid introduction head according to claim 1, wherein: the plug head (10) is formed by integral injection molding.
7. A drug delivery device comprising a housing (13) and a drug solution bottle (14) fitted inside the housing (13) at one end thereof, and a drug solution introduction head according to any one of claims 1 to 6 screw-fitted to the drug solution bottle (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320310019.0U CN219743683U (en) | 2023-02-15 | 2023-02-15 | Liquid medicine leading-in head and medicine feeding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320310019.0U CN219743683U (en) | 2023-02-15 | 2023-02-15 | Liquid medicine leading-in head and medicine feeding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219743683U true CN219743683U (en) | 2023-09-26 |
Family
ID=88090460
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320310019.0U Active CN219743683U (en) | 2023-02-15 | 2023-02-15 | Liquid medicine leading-in head and medicine feeding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219743683U (en) |
-
2023
- 2023-02-15 CN CN202320310019.0U patent/CN219743683U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |