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KR-102962119-B1 - NEEDLE TYPE AUTOMATIC DRUG INJECTION DEVICE AND DRUG INJECTION METHOD USING THE SAME

KR102962119B1KR 102962119 B1KR102962119 B1KR 102962119B1KR-102962119-B1

Abstract

The present invention relates to a needle-type automatic drug injection device comprising: a cylinder in contact with skin; a chamber filled with a drug, which is provided to be reciprocally movable in the cylinder in a first direction toward the skin and a second direction toward the skin; one or more needles connected to one surface of the chamber in the first direction; a plunger provided to be reciprocally movable in the chamber in the first direction and the second direction, which pressurizes the drug stored in the chamber and delivers it to the needle; a first actuator that moves the chamber in the first direction or the second direction; and a second actuator that moves the plunger in the first direction or the second direction.

Inventors

  • 서석배
  • 김자영
  • 서호준

Assignees

  • 에스에스비상사 주식회사

Dates

Publication Date
20260511
Application Date
20240105

Claims (10)

  1. A cylinder that comes into contact with the skin; A chamber filled with a drug, provided to be reciprocally movable in the above cylinder in a first direction approaching the skin and a second direction moving away from the skin; One or more needles connected to one side of the first direction of the chamber; A plunger configured to reciprocate in the chamber in the first direction and the second direction, pressurizing the drug stored in the chamber and delivering it to the needle; A first actuator that moves the chamber in the first direction or the second direction. A second actuator that moves the plunger in the first direction or the second direction. A first interlocking member provided on a second rod connected to the chamber of the first actuator; and It includes a second interlocking member provided on a first rod connected to the plunger of the second actuator and positioned opposite to one surface in the first direction of the first interlocking member. A needle-type automatic drug injection device in which, when the first interlocking member and the second interlocking member are connected, the second rod also moves in conjunction in the first direction when the first rod moves in the first direction.
  2. In paragraph 1, A needle-type automatic drug injection device further comprising a control unit that controls the first actuator and the second actuator to form an injection hole in which the needle is inserted into and discharged from the skin according to the reciprocating movement of the chamber.
  3. In paragraph 2, A needle-type automatic drug injection device, wherein the control unit controls the second actuator to pressurize a first amount of the drug stored in the chamber by moving the plunger in the first direction after the needle is inserted into the skin.
  4. In paragraph 3, A needle-type automatic drug injection device, wherein the control unit controls the first actuator so that when the needle inserted into the skin is discharged from the skin, the chamber moves in the second direction and one side of the chamber in the first direction pressurizes a second amount of the drug stored in the chamber.
  5. In paragraph 1, The plunger divides the interior of the chamber into a first space adjacent to one side of the first direction of the chamber and a second space adjacent to one side of the second direction of the chamber, and The above needle is connected to the above first space, and The above drug is a needle-type automatic drug injection device that fills the above-mentioned first space.
  6. In paragraph 5, Drug piping connected to the first space above; and A needle-type automatic drug injection device further comprising a drug storage section connected to the above drug piping and storing a drug.
  7. In paragraph 6, A needle-type automatic drug injection device in which, when the plunger moves in the second direction, negative pressure is formed in the first space and the drug stored in the drug storage unit is sucked into the first space.
  8. In paragraph 6, A needle-type automatic drug injection device further comprising a check valve provided in the drug piping, which allows the drug stored in the drug storage unit to flow only from the drug storage unit to the first space.
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Description

Needle-type automatic drug injection device and drug injection method using the same The present invention relates to a needle-type automatic drug injection device and a drug injection method using the same. Generally, for skin beauty and health treatments such as wrinkle removal, acne removal, exfoliation, and hair loss treatment, as well as obesity treatment, a needle is inserted into the skin to form an injection hole, and then a drug is injected into the injection hole. As a result, the dermal tissue is reorganized and rearranged through the natural wound healing action of the injection holes in the skin, so scars become shallower and the skin is tightened, reducing fine lines and improving pigmentation, and inducing collagen activation, resulting in healthy and clear skin. Recently, a needleless syringe has been developed that penetrates the skin by firing drugs into the skin without inserting a needle. However, conventional needleless syringes had a problem in that the amount of drug penetrating the skin was reduced because the injected drug bounced off the skin instead of penetrating it. FIG. 1 is a schematic diagram showing a needle-type automatic drug injection device according to one embodiment of the present invention. FIGS. 2 to 5 are schematic diagrams illustrating a drug injection method of a needle-type automatic drug injection device according to an embodiment of the present invention. FIG. 6 is a schematic diagram showing a needle-type automatic drug injection device according to another embodiment of the present invention. FIGS. 7 and 8 are schematic diagrams illustrating the operation process of a needle-type automatic drug injection device according to another embodiment of the present invention. FIG. 9 is a schematic diagram showing a needle-type automatic drug injection device according to another embodiment of the present invention. FIG. 10 is a schematic diagram showing an example of a chamber of a needle-type automatic drug injection device according to an embodiment of the present invention. The advantages and features of the present invention and the methods for achieving them will become clear by referring to the embodiments described below in detail together with the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below but may be implemented in various different forms. These embodiments are provided merely to ensure that the disclosure of the present invention is complete and to fully inform those skilled in the art of the scope of the present invention, and the present invention is defined only by the scope of the claims. The terms used in this specification are for describing embodiments and are not intended to limit the invention. In this specification, the singular form includes the plural form unless specifically stated otherwise in the text. The terms "comprises" and/or "comprising" used in this specification do not exclude the presence or addition of one or more other components in addition to the components mentioned. Throughout the specification, the same reference numerals refer to the same components, and "and/or" includes each of the mentioned components and all combinations of one or more. Although terms such as "first," "second," etc., are used to describe various components, these components are not limited by these terms. These terms are used merely to distinguish one component from another. Therefore, the first component mentioned below may be the second component within the technical scope of the invention. Unless otherwise defined, all terms used herein (including technical and scientific terms) may be used in a meaning commonly understood by those skilled in the art to which the present invention pertains. Additionally, terms defined in commonly used dictionaries are not to be interpreted ideally or excessively unless explicitly and specifically defined otherwise. Hereinafter, embodiments of the present invention will be described in detail with reference to the attached drawings. For reference, in the direction indication of the present invention, the first direction may be the direction in which the needle-type automatic drug injection device according to one embodiment of the present invention approaches the skin (1), and the second direction may be the direction in which the needle-type automatic drug injection device according to one embodiment of the present invention moves away from the skin (1). Also, based on the drawing, the first direction may be downward and the second direction may be upward. FIG. 1 is a schematic diagram showing a needle-type automatic drug injection device according to one embodiment of the present invention. As illustrated in FIG. 1, a needle-type automatic drug injection device according to one embodiment of the present invention may include a cylinder (10), a chamber (20), a needle (30), a plunger (40), a first actuator (50), a second actuator (60), and a control unit (70).