Abstract: The present invention relates to a drug injection device using pulsed shock waves, the drug injection device comprising: a power unit generating pulsed power; a pulsed shock wave generating unit which receives the pulsed power and generates pulsed shock waves; an upper housing in which a liquid and the pulsed shock wave generating unit are disposed; a lower housing which is connected to the upper housing, and in which a drug is disposed; a shock wave transmission unit which is provided between the upper housing and the lower housing to separate the upper housing and the lower housing; and an injection unit which is disposed in the lower housing and inject the drug.

Abstract: Disclosed are a medicine injection tip that may smoothly insert and discharge a needle into and from skin, a hand piece, and a skin treatment device.

Abstract: The present invention provides a skin treatment device using radio frequency, the device including: a pair of electrodes including a first electrode and a second electrode and forming a bipolar electrode structure; an RF generation unit which has an output power of 100-500 W, and produces a radio frequency current of 4-15 MHz and supplies same to the first electrode and the second electrode so as to cause a discharge therebetween; a dielectric sheet on which the pair of electrodes is integrally formed and which is disposed to cover a skin portion to be treated, in a contact or non-contact type in the middle of a discharge path between the first electrode and the second electrode; and a cooling part including a nozzle for spraying a cooling fluid so as to cool the dielectric sheet.

Abstract: Provided are a medicine injecting tip, which injects a medicine into a hole in a skin formed by a needle while invading the needle to a preset depth of a deep portion of the skin, a hand piece equipped with the medicine injecting tip, and a skin treatment device using the medicine injecting tip. The medicine injecting tip includes a cylinder, a plunger that reciprocates downward and upward, and has a first space and a second space formed inside the cylinder, and a needle disposed in the plunger and disposed in the second space of the cylinder. The needle is inserted into a skin and a negative pressure state is formed in the second space when the plunger moves downward, and the needle is discharged from the skin and a positive pressure state is formed in the second space, when the plunger moves upward.

Abstract: Provided are a medicine injecting tip, which injects a medicine into a hole in a skin formed by a needle while invading the needle to a preset depth of a deep portion of the skin, a hand piece equipped with the medicine injecting tip, and a skin treatment device using the medicine injecting tip. The medicine injecting tip includes a cylinder, a plunger that reciprocates downward and upward, and has a first space and a second space formed inside the cylinder, and a needle disposed in the plunger and disposed in the second space of the cylinder. The needle is inserted into a skin and a negative pressure state is formed in the second space when the plunger moves downward, and the needle is discharged from the skin and a positive pressure state is formed in the second space, when the plunger moves upward.

Abstract: A needle tip mounted on a skin care device and the skin care device are provided to prevent a proximity effect. The needle tip includes a case, a holder disposed in the case and reciprocating in a vertical direction, and a plurality of needle electrodes disposed in the holder. A current is applied to the plurality of needle electrodes, and the plurality of needle electrodes include a first group of needle electrodes and a second group of needle electrodes, to which the current is applied at mutually different times.

Abstract: A skin treatment device includes: an RF generator configured to generate an RF output; and an applicator being of a bipolar type and including an applicator body and needles, wherein the needles are arranged on a front surface of the applicator body, inserted into a dermal layer of the skin of a person to be treated and electrically connected to the RF generator to transmit the RF output, wherein, when the applicator is turned on, the applicator transmits a single or a plurality of RF pulses according to the RF output to the person to be treated, and the RF output is 5 W or more and 13 W or less, and a frequency of the RF output is greater than 1 MHz and less than 3 MHz, and a duration of the RF pulse according to the RF output is 50 ms or more and 100 ms or less.

Abstract: A needle tip for applying current is provided. The needle tip for applying current includes a needle fixing unit, and a plurality of needles disposed on one surface of the needle fixing unit, wherein each needle includes at least one active region which is formed, as an insulator is not coated on a partial area of the needle except for a distal end portion of the needle and electromagnetically conducted. The plurality of needles are connected to electrodes having alternately different polarities. When the plurality of needles include the plurality of active regions spaced apart from each other, the intensity of current applied to each of electrodes connected to the plurality of needles is adjusted, such that electric energy is transmitted between the plurality of active regions spaced apart from each other.

Abstract: A needle tip mounted on a skin care device and the skin care device are provided to prevent a proximity effect. The needle tip includes a case, a holder disposed in the case and reciprocating in a vertical direction, and a plurality of needle electrodes disposed in the holder, a current being applied to the plurality of needle electrodes. The plurality of needle electrodes include a first group of needle electrodes and a second group of needle electrodes to which the current is applied at mutually different times.

Abstract: Embodiments of the inventive concept provide an ultrasonic medical instrument moving horizontally by adjusting a depth wise location of an ultrasonic wave generating unit while not influencing an internal volume of a cartridge and variously setting focusing depths of ultrasonic waves in skin.

Abstract: The inventive concept relates to an ultrasonic medical cartridge that may precisely move an ultrasonic wave generator by removing a backlash between a movable nut and a screw that move an ultrasonic wave generator, and an ultrasonic medical device including the same.

Abstract: Provided is an ultrasonic generator with an adjustable ultrasonic focusing depth. The ultrasonic generator with an adjustable ultrasonic focusing depth includes a cartridge housing in which an ultrasound generation portion generating ultrasonic waves is provided, a hand piece in which the cartridge housing is detachably mounted, the hand piece having a first actuator thereinside, and a main shaft to which the ultrasound generation portion is coupled so as to reciprocate in a horizontal direction, parallel to the bottom of the cartridge housing and a vertical direction, perpendicular to the bottom of the cartridge housing. One end of the main shaft is coupled to one end of the first actuator of the hand piece, and an other end of the main shaft is located inside the cartridge housing. The hand piece includes an adjustment portion adjusting an ultrasonic focusing depth of the ultrasound generation portion.

Abstract: The inventive concept provides a mouthpiece for treating skin, in which a retaining ligament, a blood vessel, and a fiber tissue of a deep skin portion may be used as electrical passages, and which is manufactured in accordance with an oral cavity structure of a patient, and a skin treating apparatus including the mouthpiece for treating skin. The mouthpiece for treating skin includes an impression body disposed in an oral cavity of a user, and a first electrode unit disposed in the impression body, wherein the first electrode unit electrically interacts with a second electrode unit disposed outside the oral cavity of the user, and the impression body has a shape corresponding to a structure of the oral cavity of the user.

Abstract: Disclosed are a needle tip mounted in a cartridge form (in a replaceable manner) to a hand piece of the skin treatment apparatus and allowing a drug to be injected deeply into an invaded potion, and a skin treatment apparatus having the needle tip mounted thereon. The needle tip includes a casing hollow in a vertical direction; a needle unit disposed in the casing and reciprocating in the vertical direction; and at least one sealing member disposed between the casing and the needle unit, wherein the needle unit includes: a housing disposed inside the casing; and at least one needle electrode disposed in the housing of the needle unit and extending in the vertical direction, wherein the at least one sealing member closes a space between the casing and the housing of the needle unit in the vertical direction.

Abstract: A laser device for skin treatment includes: a laser generating unit including a diode laser for generating a pulse capable of being varied to a pulse width of 100 picoseconds (ps) to 2000 ps by a dedicated driver having a rising time of 100 ps or less and a pulse width adjustment unit for adjusting a width of the pulse generated by the diode laser, the laser generating unit configured to generate a single or a plurality of pulses; and a laser amplifying unit including a pumping lamp and a single or a plurality of amplification mediums having a rod structure for absorbing light energy from the pumping lamp, wherein, in the laser amplifying unit, a pulse supplied from the laser generating unit passes through at least one of the single or a plurality of amplification mediums a plurality of times inward from the outside and is gradually amplified.

Abstract: A skin treatment device includes: an RF generator configured to generate an RF output; and an applicator being of a bipolar type and including an applicator body and needles, wherein the needles are arranged on a front surface of the applicator body, inserted into a dermal layer of the skin of a person to be treated and electrically connected to the RF generator to transmit the RF output, wherein, when the applicator is turned on, the applicator transmits a single or a plurality of RF pulses according to the RF output to the person to be treated, and the RF output is 5 W or more and 13 W or less, and a frequency of the RF output is greater than 1 MHz and less than 3 MHz, and a duration of the RF pulse according to the RF output is 50 ms or more and 100 ms or less.

Abstract: Provided is a monopolar skin treatment apparatus using electrical energy in a high frequency wavelength band in which a retaining ligament, a blood vessel, and a fibrous tissue of a deep part is utilized as an electricity passage to actively prevent the skin from sagging due to the aging. The mouthpiece for skin treatment includes a frame, and a ground electrode unit on the frame. The frame includes a first frame disposed in front, a second frame extending rearward from one end portion of the first frame, and a third frame extending rearward from an opposite end portion of the first frame. The ground electrode unit is integrally formed with the first frame, the second frame, and the third frame while continuously extending.

Abstract: The inventive concept relates to a needle tip for application of current, a hand piece, and a skin treatment apparatus that are equipped with a needle in which an electromagnetically-energized active region is formed as a partial region other than a tip end of the needle is exposed in a non-insulated state.