KR101690888B1 - Applicator for dental anesthesia - Google Patents

Applicator for dental anesthesia Download PDF

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Publication number
KR101690888B1
KR101690888B1 KR1020150136697A KR20150136697A KR101690888B1 KR 101690888 B1 KR101690888 B1 KR 101690888B1 KR 1020150136697 A KR1020150136697 A KR 1020150136697A KR 20150136697 A KR20150136697 A KR 20150136697A KR 101690888 B1 KR101690888 B1 KR 101690888B1
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KR
South Korea
Prior art keywords
needle
coupled
mouthpiece
attaching portion
pack
Prior art date
Application number
KR1020150136697A
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Korean (ko)
Inventor
박정환
이인환
성길환
최인정
백승기
Original Assignee
가천대학교 산학협력단
비엔엘바이오테크 주식회사
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Priority to KR1020150136697A priority Critical patent/KR101690888B1/en
Application granted granted Critical
Publication of KR101690888B1 publication Critical patent/KR101690888B1/en

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    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C7/00—Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
    • A61C7/08—Mouthpiece-type retainers or positioners, e.g. for both the lower and upper arch
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C8/00—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools
    • A61C8/0018—Means to be fixed to the jaw-bone for consolidating natural teeth or for fixing dental prostheses thereon; Dental implants; Implanting tools characterised by the shape
    • A61C8/0028—Pins, needles; Head structures therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/02—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion
    • F16H19/04—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for interconverting rotary or oscillating motion and reciprocating motion comprising a rack
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/2018—Screw mechanisms with both screw and nut being driven, i.e. screw and nut are both rotating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H25/00—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms
    • F16H25/18—Gearings comprising primarily only cams, cam-followers and screw-and-nut mechanisms for conveying or interconverting oscillating or reciprocating motions
    • F16H25/20—Screw mechanisms
    • F16H25/24—Elements essential to such mechanisms, e.g. screws, nuts
    • F16H25/2454—Brakes; Rotational locks

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Epidemiology (AREA)
  • Dentistry (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Abstract

The present invention discloses an oral micro needle delivery device for local oral anesthesia. According to an aspect of the present invention, there is provided an oral micro needle delivery device including: a mouthpiece to which a user can mouth; A needle attaching portion to which the micro needles are coupled; A main body part having one side coupled to the mouthpiece and the other side coupled to the needle attaching part; And the microneedles can be brought into close contact with the gums if a user applies the mouthpiece.

Description

[0001] APPLICATOR FOR DENTAL ANESTHESIA [0002]

The present invention relates to an oral micro needle delivery device, and more particularly, to a mouthpiece type mouthpiece, which is made of silicone material so as to be lightly watered in the mouth, and can be adjusted by moving the micro needle portion up and down using a handle The present invention relates to an oral micro needle delivery device capable of uniform drug delivery by pushing with a constant force in accordance with gingival curvature.

 In the conventional dental treatment, the method of administering the transdermal drug is mainly a method of penetrating the oral cavity through a syringe. However, this method has caused problems in patients with pain and extreme stress.

The micro needle is a device for stimulating the skin with a small-sized needle, giving a small hole in the skin to supply nutrients or facilitating penetration of the drug, and the form is not particularly limited as long as it can penetrate the skin But has a diameter of approximately 1 to 100 mu m.

Particularly, by using such a micro needle, it is possible to locally and painlessly deliver the drug to cells or tissue of the oral cavity, to administer molecules that do not penetrate the biological membrane such as peptides, proteins, oligonucleotides, DNA, And can be usefully used to target drugs to specific sites or tissues or tissues of the body.

However, since there is no optimized applicator device for attaching the microneedles to the gums in the mouth, there is a problem that the microneedles must be attached to the mouth by hand.

The present invention relates to an oral anesthesia which can easily transmit an effective ingredient of a micro needle into a gingival tissue by applying a constant force to a flexible micro needle which can be deformed along a gingival irregularity by lightly bending a device of a mouthpiece type To provide a flexible micro needle device.

According to an embodiment of the present invention, an oral micro needle delivery device includes: a mouthpiece that a user can mouth; A needle attaching portion to which the micro needles are coupled; A main body part having one side coupled to the mouthpiece and the other side coupled to the needle attaching part; And the microneedles can be brought into close contact with the gums if a user applies the mouthpiece.

The mouthpiece may be movably coupled to the body portion in a vertical direction, and the needle attaching portion may be rotatably coupled to the body portion.

In addition, the mouthpiece may be formed of at least a silicone material and may be formed with a coupling groove to which the teeth are coupled.

The body portion may include a fixing portion through which a play adjusting hole for guiding the height adjustment of the mouthpiece is inserted, a slide member slidably coupled to one side of the fixing portion and the other side of which is coupled to the mouthpiece, And a side cover coupled to the fixing portion and guiding rotation of the needle attaching portion.

In addition, a rotary gear that allows the slide member to move up and down is coupled to the fixed portion, and a rack gear that engages with the rotary gear may be formed on the slide member.

In addition, a screw penetrating the play control hole is coupled to one surface of the slide member, and the screw can move up and down along the play control hole.

The screw may further include a nut for fixing the position of the slide member by tightening the screw against the fixing portion.

The needle attaching portion may include a rotary housing having one side engaged with the first side cover and the other side engaged with the second side cover and a needle pack slidably coupled to the rotary housing only in one direction And an end of the needle pack may be provided with a needle fixing part for holding a micro needle which transmits a drug.

In addition, a rotary housing gear for fixing or rotating the rotary housing is provided in a lower portion of the rotary housing, the body portion is coupled to the body portion so as to be movable up and down, The rotating housing is fixed when the rotating housing gear and the locking device are engaged with each other. When the locking device is separated from the rotating housing gear by a predetermined distance, the rotating housing can be rotated.

In addition, a portion of the top surface of the rotary housing may be formed with a 'D' -shaped slide adjuster, and an inner surface of the slide adjuster may be provided with a protruding member that allows the needle pack to slide only in one direction.

The needle pack may be formed with a plurality of insertion grooves into which the projection members are inserted.

Also, the needle pack may be formed of a silicon material.

According to another aspect of the present invention, there is provided an oral micro needle delivery device including: a mouthpiece having a groove into which a tooth can be inserted; A needle attaching portion in which a needle pack to which a micro needle is coupled is slidably provided; And a main body part having one side coupled to the mouthpiece so as to be movable up and down and the other side to be rotatably coupled with the needle attaching part.

In addition, when a user's tooth is inserted into the groove formed in the mouthpiece, the needle attaching portion pushes the needle pack toward the user's gum by the force that the user wears the mouthpiece, so that the micro needle can be brought into close contact with the gum.

According to the present invention, it is possible to effectively transfer dental materials into the oral cavity by attaching the microneedles to the gums inside the oral cavity, which are bent in an irregular shape.

In addition, flexible silicone mouthpieces are combined to lighten the mouth of the patient, and the height of the mouthpiece can be adjusted according to the patient's oral structure.

Also, the needle attaching portion with the micro needle can be rotated in accordance with the gingival curvature of the patient, and the micro needle can be pushed with equal force along irregular gingival curves.

1 is a perspective view of an oral micro needle delivery device according to an embodiment of the present invention.
FIG. 2 is a perspective view of an oral micro needle delivery device according to an embodiment of the present invention, viewed from another angle. FIG.
3 is an exploded perspective view of an oral micro needle delivery device according to an embodiment of the present invention.
4 is a side cross-sectional view of an oral micro needle delivery device according to an embodiment of the present invention.
5 is a top view of a needle attaching portion of an oral micro needle delivery device according to an embodiment of the present invention.
6 is a side cross-sectional view of a needle attaching portion of an oral micro needle delivery device according to an embodiment of the present invention.
FIG. 7 is a view showing a shape in which an oral micro needle delivery device according to an embodiment of the present invention is coupled to a tooth.

Hereinafter, specific embodiments of the present invention will be described in detail with reference to the drawings. However, the spirit of the present invention is not limited to such embodiments, and the spirit of the present invention may be proposed differently by adding, modifying and deleting constituent elements constituting the embodiment, .

FIG. 1 is a perspective view of an oral micro needle delivery device according to an embodiment of the present invention, FIG. 2 is a perspective view of an oral micro needle delivery device according to an embodiment of the present invention, FIG. 1 is an exploded perspective view of an oral micro needle delivery device according to an embodiment of the present invention;

Referring to FIG. 1, an oral micro needle delivery device 1 according to an embodiment of the present invention may include a mouthpiece 10, a needle attaching portion 20, and a body portion 30.

The mouthpiece 10 may be at least partially curved and may be coupled to the patient's teeth. More specifically, the mouthpiece 10 may be formed of a silicone material, and a coupling groove 11 into which a patient's tooth is inserted may be formed.

The mouthpiece 10 is formed of a silicone material so that the patient can lightly hold the tooth in the coupling groove 11. Particularly, since the mouthpiece 10 is formed of a flexible silicone material, it can be easily used even if the arrangement of teeth is different for each patient.

At least one surface of the needle attaching portion 20 may be formed to be bent so as to pressurize the patient's gums, that is, the gingiva, to deliver the drug.

The main body portion 30 can be coupled to the mouthpiece 10 on one side and the needle attaching portion 20 on the other side.

More specifically, the main body portion 30 may include a fixing portion 31, a slide member 32, and a side cover 33. [ A height adjustment hole 310 for guiding the height adjustment of the mouthpiece 10 may be formed in the fixing portion 31. The slide member 32 is slidably coupled to the fixing portion 31 and is inserted into the mouthpiece 10 And the height of the light source.

The side cover 33 can be coupled to one side and the other side of the fixing portion 31 to rotatably support the needle attaching portion 20.

The fixed portion 31 may be coupled with a rotary gear 311 that allows the slide member 32 to move up and down. At this time, the fixing portion 31 may be formed with a rotary gear coupling hole 313 through which the rotary gear 311 passes. The rotary gear 311 may be provided with a rotary gear knob 312 at an end thereof so that the rotary gear 311 can be manually moved up and down. The doctor can rotate the rotary gear knob 312 to adjust the height of the mouthpiece 10. [

The slide member 32 may be provided with a rack gear 321 engaged with the rotary gear 311. At this time, when the rotary gear 311 is rotated in one direction, the slide member 32 can be slid upward or downward along the fixed portion 31. Therefore, since the arrangement of the teeth and the width of the gums are different for each patient, it is possible to adjust the position of the needle attaching portion 20 to the correct position of the patient's gums when the patient touches the mouthpiece 10 with his / .

 A screw 322 penetrating the height adjusting hole 310 formed in the fixing portion 31 may be coupled to one surface of the slide member 32. [ The screw 322 can move up and down along the height adjusting hole 310 and can be operated by a rotary gear 311 for guiding the up and down movement of the slide member 32.

More specifically, the height at which the screw 322 can move to the maximum or minimum position may be limited according to the size of the height-adjusting hole 310, and when the rotary gear 311 is rotated to the maximum in an arbitrary direction, 32 can move to the upper end or the lower end of the height adjusting hole 310.

The screw 322 coupled to the slide member 32 can be exposed through the height adjustment hole 310 at the end portion thereof. At this time, a nut 323 capable of fixing the slide member 32 at a desired position may be coupled to the end of the screw 322 passing through the height adjustment hole 310.

More specifically, in a state in which the nut 323 is disengaged, the rotary gear knob 312 can be rotated in one direction, and the height of the slide member 32 can be adjusted. In a state in which the height of the slide member 32 is adjusted, the nut 323 can be tightened to be fixed at a desired height.

An insertion groove (not shown) may be formed on the other surface of the slide member 32 to insert the mouthpiece 10 therein. The mouthpiece 10 may be provided at its rear surface with a mouthpiece engaging portion 12 which can be engaged with the slide member 32. The mouthpiece engaging portion 12 may be formed at the back of the mouthpiece 10 when the patient bites the mouthpiece 10 The slide member 32 can be fitted into the insertion groove so as not to be easily detached.

The slide member 32 may be formed of ABS resin. ABS resin is advantageous in that it is easy to process, has high impact resistance, and has good heat resistance, so that it can be easily broken or broken.

The side cover 33 may include a first side cover 331 coupled to one side of the needle attachment portion 20 and a second side cover 332 coupled to the other side of the needle attachment portion 20 have. For example, the side cover 33 may be formed of stainless steel (SUS).

The needle attaching portion 20 may include a rotary housing 21, a needle pack 22, and a needle fixing portion 23. The rotary housing 21 can be coupled to the first side cover 331 at one side and to the second side cover 332 at the other side. More specifically, a coupling member 212, which can be engaged with the side cover 33, may protrude from the side surface of the rotary housing 21, and the side cover 33 may include a side cover coupling A hole 333 may be formed.

In addition, the rotary housing 21 may be formed as a hollow hexahedron in which an empty space is formed.

The needle pack 22 can be slidably coupled to the rotary housing 21 only in one direction. At this time, the end of the needle pack 22 may be provided with a needle fixing part 23 for holding the micro needle which transfers the drug to the patient's gums.

A detailed description in which the needle pack 22 is slid only in one direction on the rotary housing 21 will be described later.

4 is a side cross-sectional view of an oral micro needle delivery device according to an embodiment of the present invention.

Referring to FIG. 4, the needle attaching portion 20 of the oral micro needle delivery device 1 according to an embodiment of the present invention may be rotatably coupled.

The needle attaching portion 20 can be coupled to the upper side of the side cover 33 and can be rotated at a predetermined angle on the side cover 33. [

More specifically, the needle attaching portion 20 includes a rotary housing 21 coupled to the side cover 33 and a needle pack 22 slidably coupled to the rotary housing 21 only in one direction, At the end of the pack 22, a needle fixing part 23 for holding a microneedle to deliver a drug may be provided.

A rotary housing gear 210 for fixing or rotating the rotary housing 21 may be provided on one side of the lower surface of the rotary housing 21. A rotary shaft may be provided between the first side cover 331 and the fixing portion 31, A locking device 211 for fixing or rotating the housing 21 can be provided. For example, in a state where the rotating housing gear 210 and the locking device 211 are engaged (see Fig. 4), the rotating housing 21 can be fixed. Conversely, when the locking device 211 is pushed downward to release the gear 210 and the locking device 211 from the locking device 211 by a predetermined distance, the rotating housing 21 can be rotated at a predetermined angle.

Accordingly, the patient can place the needle pack 22 at the optimum position by rotating the rotary housing 21 according to the shape and angle of the gum of the patient while the mouthpiece 10 is in the door state, There is an advantage that the drug can be effectively delivered through the micro needle M coupled to the needle fixing part 23 provided.

FIG. 5 is a top view of a needle attaching portion of an oral micro needle delivery device according to an embodiment of the present invention, and FIG. 6 is a side view of a needle attaching portion of an oral micro needle delivery device according to an embodiment of the present invention, Fig.

5 and 6, the needle attaching portion 20 of the oral micro-needle delivery device 1 according to the embodiment of the present invention grasps the flexible micro needle M and simultaneously supports the patient's gum bending And can be formed into a structure capable of being pressed with a constant force.

A 'D' -shaped slide adjuster 212 may be formed at a portion of the upper surface of the rotary housing 21 of the needle attaching portion 20. In more detail, a protruding member 213 that allows the needle pack 22 to slide only in one direction may be provided on the inner side surface of the slide adjuster 212. At this time, a plurality of insertion grooves 220 into which the projecting members 213 are inserted may be formed on the upper surface of the needle pack 22 at predetermined intervals.

The needle pack 22 may be provided at the end thereof with a needle fixing part 23 which serves to hold the flexible micro needle M thereon. The needle pack 22 and the needle fixing portion 23 may be formed of a silicon material. Particularly, since the silicone constituting the needle fixing part 23 is a part directly contacting the gum of the patient, it can be formed of a soft silicone material as compared with a general silicone material.

The needle fixing part 23 may be formed in a letter shape and a gap may be formed between the needle pack 22 and the needle fixing part 23 so that the flexible micro needle M can be coupled thereto. have. More specifically, the base portion of the flexible micro needle M can be coupled between the needle pack 22 and the needle fixing portion 23. [ In one example, the base portion of the microneedle M may be formed of a flexible material so that it can be effectively adsorbed along the irregularly curved surface of the gingiva in the mouth. Therefore, the micro-needle (M) can be easily adsorbed to the gum in the oral cavity to effectively transmit an effective ingredient (e.g., lidocaine).

FIG. 7 is a view showing a shape in which an oral micro needle delivery device according to an embodiment of the present invention is coupled to a tooth.

Referring to FIG. 7, the mouthpiece 10 of the oral micro needle delivery device 1 according to an embodiment of the present invention may be coupled to a part of a tooth.

In FIG. 7, the oral micro-needle delivery device 1 is mounted on the upper teeth, but the present invention is not limited thereto. The mouthpiece 10 may be mounted on the lower mouth.

First, the coupling groove 11 formed in the mouthpiece 10 can be coupled to the patient's teeth. The nut 323 may be unfastened and the slide member 32 with the mouthpiece 10 attached thereto may be moved in the vertical direction to adjust the height.

The height of the slide member 32 can be adjusted so that the needle attaching portion 20 comes to a position where the patient's gum can be pressed. If the most suitable position is set, the nut 323 can be tightened again to fix the height.

The needle attaching portion 20 can be coupled to the upper side of the side cover 33. [ When the mouthpiece 10 is adjusted from the door state to the height of the slide member 32, the locking device 211 coupled to the first side cover 331 is pushed downward vertically, . So that the needle attaching portion 20 can be brought to an optimal position for pressing the patient's gums.

The needle pack 22 can be pressed in the direction of the gingiva while the height of the slide member 32 and the angle of the needle attaching portion 20 are both adjusted and the micro needle M) can contact the gums to deliver the active ingredient (dental drug) into the gums. For example, the principle that the needle pack 22 moves in one direction only in the rotating housing 21 can be applied in a manner similar to the principle of cable tie.

Therefore, when the needle pack 22 is pressed in the gingival direction, there is an advantage that the effective component of the micro needle M can be transmitted with a uniform force.

Hereinafter, the operation of the oral micro needle delivery device 1 according to one embodiment of the present invention will be described.

The oral micro needle delivery device 1 can be coupled with the mouthpiece 10 so that the patient can lightly touch the mouth.

The mouthpiece 10 may be formed of a flexible silicone material because the structure and shape of the tooth structure are different for each patient.

The mouthpiece 10 is slid upward or downward according to the rotational direction of the rotary gear knob 312 coupled to the main body 30, so that the height of the mouthpiece 10 can be adjusted. The height of the mouthpiece 10 can be adjusted according to the oral structure of the patient so that the needle attaching portion 20 can come to a more accurate position along the bending of the patient's gums.

The angle of the needle attaching portion 20 can be adjusted so that the needle attaching portion 20 can be attached to the gum when the patient is in the mouth state of the mouthpiece 10. [ Since the gingival curvature differs for each patient, the needle attaching portion 20 can be positioned at a more accurate position by adjusting the angle of the needle attaching portion 20.

After adjusting the angle of the needle attaching portion 20, the needle pack 22 coupled to the needle attaching portion 20 can be manually pressed in the gingival direction. At this time, the end of the needle pack 22, that is, the surface to which the gums are attached, may be provided with the needle fixing part 23 for holding the flexible micro needle M. The effective component (dental drug) contained in the micro needle M can be transferred to the inside of the gum by pushing the needle pack 22 and sucking the flexible micro needle M to the patient's gums.

1: oral micro needle delivery device 10: mouthpiece
11: coupling groove 12: mouthpiece coupling part
20: Needle attachment part 21: Rotary housing
22: Needle pack 23: Needle fixing part
30: main body 31:
32: slide member 33: side cover
210: gear 211: locking device
212: coupling member 213: projecting member
220: insertion groove 310: height adjustment hole
311: rotary gear 312: rotary gear handle
313: Rotating gear engaging hole 321: Rotating rack gear
322: screw 323: nut
331: first side cover 332: second side cover
M: Micro needle

Claims (14)

The mouthpiece can be watered by the user;
A needle attaching portion to which the micro needles are coupled; And
A main body part having one side coupled to the mouthpiece and the other side coupled to the needle attaching part;
Lt; / RTI >
Wherein the microneedles are in close contact with the gums when a user applies the mouthpiece. The method according to claim 1,
Wherein the mouthpiece is movably coupled to the body portion in a vertical direction, and the needle attaching portion is rotatably coupled to the body portion. The method according to claim 1,
Wherein the mouthpiece is formed of at least a silicone material, and an engagement groove in which the teeth are engaged is formed. The method according to claim 1,
Wherein,
A fixing part through which a height adjusting hole for guiding the height adjustment of the mouthpiece is formed,
A slide member having one side slidably coupled to the fixed portion and the other side coupled to the mouthpiece,
And a side cover coupled to the fixing portion and guiding rotation of the needle attaching portion. 5. The method of claim 4,
A rotating gear for moving the slide member up and down is coupled to the fixed portion,
Wherein the slide member is provided with a rack gear engaged with the rotary gear. 5. The method of claim 4,
Wherein a screw penetrating through the height adjustment hole is coupled to one surface of the slide member, and the screw is vertically moved along the height adjustment hole. The method according to claim 6,
Wherein the screw is further coupled to a nut for fixing the position of the slide member by tightening the screw against the fixing portion. 8. The method of claim 7,
Wherein the side cover includes a first side cover coupled to one side of the needle attaching portion and a second side cover coupled to the other side of the needle attaching portion,
Wherein the needle attaching portion
A rotary housing having one side coupled to the first side cover and the other side coupled to the second side cover,
And a needle pack slidably coupled to the rotary housing only in one direction,
And an end of the needle pack is provided with a needle fixing portion for holding a microneedle for delivering a drug. 9. The method of claim 8,
A rotating housing gear for fixing or rotating the rotating housing is provided at a lower portion of the rotating housing,
The main body part is provided with a locking device coupled to the main body part so as to be movable up and down and selectively coupled to the rotating housing gear,
Wherein the rotary housing is fixed when the rotary housing gear and the locking device are engaged with each other, and the rotary housing is rotatable when the locking device is spaced apart from the rotary housing gear by a predetermined distance. 10. The method of claim 9,
A portion of the top surface of the rotary housing is formed with a slide adjuster having a "
And an inner surface of the slide adjusting part is provided with a protruding member that allows the needle pack to be slidable only in one direction. 11. The method of claim 10,
Wherein the needle pack has a plurality of insertion grooves into which the protruding members are inserted. 12. The method of claim 11,
Wherein the needle pack is formed of a silicone material. A mouthpiece having a groove into which a tooth can be inserted;
A needle attaching portion in which a needle pack to which a micro needle is coupled is slidably provided; And
Wherein the mouthpiece is vertically movably coupled to one side and the other side is rotatably coupled to the needle attaching portion;
Wherein the micro-needle delivery device comprises: 14. The method of claim 13,
Wherein the needle attaching portion pushes the needle pack toward the user's gum by the force of the user when the user's teeth are inserted into the groove formed in the mouthpiece to tightly contact the micro needle with the gum.
KR1020150136697A 2015-09-25 2015-09-25 Applicator for dental anesthesia KR101690888B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102131709B1 (en) * 2020-02-13 2020-07-08 대구보건대학교산학협력단 Oral Digital Reference
WO2024014773A1 (en) * 2022-07-11 2024-01-18 연세대학교 산학협력단 Oral device for filler injection for improving facial wrinkle

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020031990A (en) * 2000-10-25 2002-05-03 김세원 Anaesthesia mouse for dental treatment
US20090234322A1 (en) * 2008-03-12 2009-09-17 Ultradent Products, Inc. Method of dental tissue injection using an array of micro-needles
KR101549086B1 (en) * 2014-11-10 2015-09-02 주식회사 스몰랩 Micro-needle and micro-needle patch

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020031990A (en) * 2000-10-25 2002-05-03 김세원 Anaesthesia mouse for dental treatment
US20090234322A1 (en) * 2008-03-12 2009-09-17 Ultradent Products, Inc. Method of dental tissue injection using an array of micro-needles
KR101549086B1 (en) * 2014-11-10 2015-09-02 주식회사 스몰랩 Micro-needle and micro-needle patch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102131709B1 (en) * 2020-02-13 2020-07-08 대구보건대학교산학협력단 Oral Digital Reference
WO2024014773A1 (en) * 2022-07-11 2024-01-18 연세대학교 산학협력단 Oral device for filler injection for improving facial wrinkle

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