KR102038671B1 - Air jet handpiece with pressure display - Google Patents

Abstract

The present invention relates to an airjet handpiece having a pressure display function to check the drug injection pressure in real time to significantly improve the optimal drug injection efficiency and the treatment efficiency.
In order to realize this, the airjet handpiece having a pressure display function according to the present invention, the installation space formed therein, the syringe holder arranged on the top, the nozzle connection arranged on the front, and has an operation switch arranged on the bottom A handpiece body consisting of a handle; A rear end portion is coupled to the nozzle connection part and is connected through an injection port of a syringe and a drug supply hose, and a jet nozzle for sequentially supplying a predetermined amount of drug from the syringe to the skin; And injection means installed in the installation space and supplied with high-pressure air from the outside to supply a predetermined amount of pneumatic pressure to the syringe, and to inject the drug supplied to the injection nozzle by operating the operation switch of the handle. It comprises, but is implemented to further include a pressure display means arranged on the rear upper portion of the handpiece body to display a measurement value for the high pressure air pressure supplied to the injection means.

Description

AIR JET HANDPIECE WITH PRESSURE DISPLAY}

The present invention relates to an airjet handpiece which is to inject a drug into the skin instantaneously by pneumatically to remove or treat skin elasticity, wrinkles of the skin, scars, stretch marks, keratin, hair loss, etc. In particular, the present invention relates to an airjet handpiece having a pressure display function that allows a user to visually check the high pressure air pressure value for the current drug injection directly from the handpiece.

In the technology related to the air jet handpiece for instant injection of the drug into the skin to spread the drug inside the skin,

Korean Patent Registration No. 10-1631288 (2016.06.10.registration) `` Airjet handpiece with a spray nozzle that can adjust the injection height '' is proposed,

It is formed in a cylindrical shape, the fitting coupling portion is formed in the front end is narrow, the outer end is formed with an annular coupling projection, the inlet is formed in one end of the drug supply hose is formed on one side, the inlet An injection path into which the drug is introduced into and injected into the skin is formed, and an injection hole in which the medicine injected from the input path is injected is formed in the front center, and an air discharge hole in which air is discharged to the front of the inlet is formed. And, the rubber ring is inserted into the front end portion is configured to be in close contact with the injection path and the rear end is configured to be coupled to the end of the injection means is partially exposed to the rear of the injection path, the pressure inside the injection path by the injection means An injection pin configured to push the supplied drug to inject the injection tube toward the front of the injection tube, and a protruding part formed at a rear end of the injection tube and a nozzle Combination piece is fitted into the coupling groove formed in the connecting portion to selectively couple the injection pipe to the nozzle connection portion, and is composed of a cylindrical, and a fixed plate that is formed in the front end of the fixing hole is fitted in the fitting coupling portion of the injection pipe in the center And, the rear end is a technology related to the air jet handpiece having a spray nozzle configured to include a fixed cap that is fitted into the annular engaging projection of the injection pipe.

Document 1. Korea Patent Registration No. 10-1631288 (2016.06.10. Registration)

The present invention provides an airjet handpiece having a pressure display function that allows the user to visually check the current high pressure air pressure at the time of injecting the drug to check the optimal drug infusion pressure in real time. There is a purpose.

In order to solve the above problems, the airjet handpiece having a pressure display function according to the present invention,

A handpiece body including an installation space formed therein, a syringe holder arranged on the upper portion, a nozzle connection portion arranged on the front side, and a handle arranged on the lower portion and having an operation switch;

A rear end portion is coupled to the nozzle connection part and is connected through an injection port of a syringe and a drug supply hose, and a jet nozzle for sequentially supplying a predetermined amount of drug from the syringe to the skin; And

An injection means installed in the installation space and supplied with high-pressure air from the outside to supply a predetermined amount of pneumatic pressure to the syringe, and to inject a drug supplied to the injection nozzle by operating an operation switch of the handle;

Including but not limited to,

It is characterized in that it further comprises a pressure display means arranged on the rear upper portion of the handpiece body to display the measured value for the high pressure air pressure supplied to the injection means.

Air jet handpiece having a pressure display function according to the invention,

Checking the drug injection pressure in real time has the greatest effect of increasing the optimal drug injection efficiency and treatment efficiency.

In addition, by setting the range of drug injection pressure is effective to inform the user when out of the range.

In addition, the guide member, which is in contact with the skin during drug injection, is composed of two or more powder guides, and when the powder guide is pressed by the skin, each powder guide is pressed to a different height according to the curvature of the skin. By increasing the sealing property of the drug to prevent the maximum leakage is effective.

In addition, by providing a holding function for fixing the drug supply hose has an effect of elastically holding the drug supply hose bounces instantly by the high pressure air pressure supplied during drug injection.

1 is a cross-sectional view showing an air jet handpiece having a pressure display function according to the present invention;
FIG. 2 is an enlarged plan view of main parts of “A” of FIG. 1;
3 and 4 are enlarged cross-sectional configuration of the main portion for "B" of FIG.
5 is an enlarged front configuration diagram of the main portion of the "A" of FIG.
6 is a partial cross-sectional view for showing the holding means,
7 is a schematic configuration diagram of an airjet handpiece having a pressure display function according to the present invention;
8 is a block diagram showing the main part of the airjet handpiece having a pressure display function according to the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Prior to this, terms or words used in the specification and claims should not be construed as having a conventional or dictionary meaning, and the inventors should properly explain the concept of terms in order to best explain their invention in the best way possible. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention. Therefore, the embodiments described in the specification and the configuration shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various equivalents that may be substituted for them at the time of the present application It should be understood that there may be water and variations.

Based on FIG. 1, the direction is specified as the front or front part of the injection nozzle side, and the rear or rear part of the display side.

As shown in Figure 1 to 8, the airjet handpiece having a pressure display function according to the present invention,

The handpiece main body 100, the injection nozzle 200, the injection means 400, pressure display means 500 is large.

Looking at each configuration,

The handpiece body 100

As shown in FIG. 1,

Installation space (S) formed inside,

Syringe holder 110 is arranged on the top,

Nozzle connection portion 120 is arranged in the front, and

Handle 130 arranged at the bottom and having an operating switch 131

It is made, including.

As a result, the handpiece main body 100 is a part configured to grip the airjet handpiece and to operate the device so as to inject a drug into the skin.

Therefore, the handpiece main body 100 operates the operation switch 131 in a state of holding the handpiece main body 100 through the handle 130 and the syringe 111 to be described later through the injection nozzle 200. It is configured to spray the drug contained in the pneumatically into the skin.

Injection nozzle 200

As shown in Figures 3 and 4,

A rear end is coupled to the nozzle connector 120 and is connected through an injection port 111a of the syringe 111 and a drug supply hose H1 to sequentially receive a predetermined amount of drug from the syringe 111. By spraying on the skin,

A fitting coupling portion 215 having a narrow width is formed at the front end portion, and an inlet 211 into which one end of the drug supply hose H1 is fitted is formed at one side thereof, and the drug introduced into the inlet 211 is formed therein. The injection path 212 is formed to be injected into the skin is injected, the injection hole 213 is injected to the medicine injected from the injection path 212 is formed in the front center, the air in front of the inlet 211 Cylindrical injection pipe 210 is formed is the air discharge hole 214 is discharged,

The rubber ring 221 is fitted to the front end portion is configured to be in close contact with the input passage 212 and the rear end is partially exposed to the rear of the input passage 212 is configured to be coupled to the end of the injection means 400, An injection pin 220 configured to push the drug supplied into the input passage 212 by pressurizing the injection means 400 to inject the injection tube 210 forward through the injection hole 213, and

Protruding portion 230 is formed to protrude to the rear end of the injection pipe 220 and is fitted into the coupling groove 121 formed in the nozzle connection portion 120, the coupling piece 230 to selectively couple the injection pipe 210 to the nozzle connection portion 120 )

It is made, including.

And as shown in Figure 3, the injection pin 220, the anti-spill rubber ring for preventing the drug flowing into the inlet 211 to the rear side of the rubber ring 221 to flow out to the rear side of the injection pipe 210 ( 222 is preferably configured to be coupled. That is, the leak prevention rubber ring 220 seals the rear side of the inlet 211 in the spray waiting step of the injection pin 220, the drug flowing into the inlet 211 flows out to the rear side of the injection tube 210 It is configured to prevent it.

Further, the injection pin 220 is prepared by the injection means 400 in the input path 212, the front end is located in the rear side of the inlet 211, the front end of the air discharge hole 214 It is operated in three stages of the spray standby stage located on the side and the spray stage located on the rear side of the injection hole 213. Operation of the injection pin 220 will be described in detail in the operation of the handpiece to be described later.

Injection means 400 is

As shown in FIG. 7 and FIG. 8,

It is installed in the installation space (S) and is operated by receiving a high pressure air from the outside to supply a predetermined amount of pneumatic pressure to the syringe 111 and the injection nozzle by the operation of the operation switch 131 of the handle 130 To spray the drug supplied to 200,

Is configured to be connected to the syringe holder 110, it is configured to supply a certain amount of pneumatic pressure to the syringe 111 by receiving a high pressure air from the outside to push the drug inside the syringe 111 to the injection nozzle 200 Pneumatic valve (V) to operate a certain amount of drug to the supply,

When the air supplied from the outside is installed in the installation space (S) is compressed and the rear blow of the injection nozzle 200 is completed in the rear, the cylinder 410 is provided with a rapid exhaust valve 411 for rapidly exhausting the air inside ),

A cylinder head 420 installed inside the cylinder 410,

The front end is located in the rear of the injection nozzle 200 and the rear end is coupled to the front of the cylinder head 420 to operate the operation switch 131 cylinder shaft for hitting the rear of the injection nozzle 200 by pneumatic ( 430),

The cylinder shaft 430 is inserted into and coupled to each other, and is interposed between the front end of the cylinder 410 and the front surface of the cylinder head 420 when the rear blow of the injection nozzle 200 is completed, the cylinder shaft 430 to the rear Moving spring 440,

Support plates 450 installed on both sides of the cylinder shaft 430,

Rotating shaft 460 is rotatably coupled between the support plate 450,

Rotatingly coupled to the support shaft 470 installed to the rear side of the rotation shaft 460 and the other end is coupled to the rotation shaft 470 by the rotation of the rotation shaft 470 to the cylinder shaft 430 A catching piece 480 configured to be caught or released by the formed step 431, and

A second solenoid valve 490 having one end connected to the pneumatic valve V and the other end connected to the rotation shaft 460 to selectively rotate the rotation shaft 440.

It is made, including.

Here, the pneumatic valve (V) is preferably composed of a solenoid valve.

On the other hand, looking at the operating relationship of the airjet handpiece according to the invention,

The drug is supplied from the syringe 111 to the inlet 211 of the injection nozzle 200 through the drug supply hose H1, and the high pressure air is supplied into the cylinder 410 through the pneumatic valve (V).

At this time, the injection pin 220 is a preparation step in which the front end is located in the rear side of the inlet 211 in the injection path 212 of the injection pipe 210.

Then, the cylinder head 420 is advanced by pneumatic pressure while the high pressure air is supplied into the cylinder 410, and at the same time, the cylinder shaft 430 is also advanced.

And while the step of the cylinder shaft 430 is caught by the locking piece 480 to restrain the cylinder shaft 430 is moved forward. In this case, the high pressure air is continuously supplied into the cylinder 410 to pressurize the rear of the cylinder head 420, and the spring 440 interposed in front of the cylinder head 420 maintains a compressed state. At this time, the injection pin 220 is the injection waiting step is located in the front of the air discharge hole 214, the front end of the injection path 212 of the injection pipe, in the process to the air discharge hole 214 The air in the inlet 212 is discharged.

When the operation switch 131 is operated, the second solenoid valve 480 rotates the rotation shaft 490 to release the locking of the step 431 of the cylinder shaft 430 with respect to the locking piece 440.

Then, the cylinder shaft 430 is configured to strike the rear of the injection nozzle 120 while moving forward by the pneumatic. At this time, the injection pin 220 is the injection step is located on the rear side of the injection hole 213, while the drug located in the injection path 212 of the injection pipe 210 is injected to the outside of the injection pipe 210 It is applied into the skin.

And when the injection of the drug in the injection path 212 of the injection pipe 210 is completed, the air inside the cylinder 410 is rapidly discharged through the quick exhaust valve 411, at the same time the compressed spring 440 is As the compression is released, the cylinder shaft 430 and the cylinder head 420 are moved backwards. At this time, the injection pin 220 is a preparatory step in which the front end is located in the rear side of the inlet 211 in the injection path 212 of the injection pipe.

And while repeating the above operation to apply a drug to the skin to perform a treatment for the skin.

Pressure display means 500

As shown in Figures 1 and 2,

Is arranged on the rear upper portion of the handpiece main body 100 to display the measured value for the high pressure air pressure supplied to the injection means 400,

Pressure measuring sensor 510 is installed on the supply path for guiding the high pressure air from the outside to be supplied to the injection means 400,

A display 520 mounted on the rear upper portion of the handpiece main body 100, and

The controller 530 is electrically connected to the display 520 and receives the measured value from the pressure measuring sensor 510 to be displayed on the display 520.

It is made, including.

At this time, as shown in Figure 2, the controller 530 is

A mode setting unit 531 for converting the measured values for each unit to be displayed on the display 520;

A range setting unit 532 for allowing a user to set a range of a minimum value and a maximum value of the high pressure air pressure,

The external notification unit 533 which is notified to the outside when the measured value for the currently supplied high pressure air pressure is out of the range of the minimum and maximum values set by the range setting unit 532.

Is made of.

Furthermore, the controller 530 receives the operation signal according to the operation of the operation switch 131 of the handle 130 to perform a control operation.

In addition, the display 520 displays the measured value numerically, displays the unit for the measured value, and is changed and displayed in various units by the mode setting unit 531.

For example, when the current pressure measurement value is 5 bar as shown in [a] of FIG. 2, the mode setting unit 531 converts 0.5 Mpa according to the change in Mpa units as shown in [b] of FIG. 2. Is displayed as change.

In addition, the range setting unit 532 allows the user to set the range of the lowest value and the highest value for the high pressure air pressure, through which the user sets the desired range of air pressure of the high pressure currently supplied when using the handpiece of the present invention. If it is out of this range can be implemented to be displayed separately on the beep or the display 520.

As a result, the external notification unit 533 may be formed of a speaker for generating a beep sound or an LED which is embedded in the display 520 to emit light.

On the other hand, the air jet handpiece having a pressure display function according to the invention further comprises a guide means 600,

The guide means 600 is

As shown in Figures 3 to 5,

Is mounted on the injection pipe 210 to prevent the drug is injected when the contact with the skin leaks to the outside,

A support 610 is formed along the outer surface of the interruption portion of the injection pipe 210 and has an annular space 611 opened forward.

A guide member 620 inserted into the space 611 of the support 610 and having a front end exposed to the front side of the injection pipe 210;

An annular step surface portion 630 of an elastic material which is provided to protrude to the front side of the front end of the guide member 620 to be in contact with the skin, and

An elastic spring 640 interposed between the bottom of the space 611 of the support 610 and the rear end of the guide member 620.

It is made, including.

At this time, as shown in Figure 5, the guide member 620 is made of two powder guide (620A) divided when viewed from the front, it may be implemented as three or more powder guide (620A).

In addition, since the answering surface portion 630 is provided to protrude toward the front side along the front circumference of each powder guide 620A of the guide member 620, the powder guide 620A is adapted to the curvature of the skin. As it moves backwards, it stretches to maintain contact with the skin.

And, as shown in Figure 5, the guide means 600 guides this when moving forward and backward (進退) while preventing the guide member 620 from turning in the space 611 of the support 610. In order to, the guide projection 650 is formed to have a front and rear length on the outer surface of the injection pipe 210 and the guide groove 660 is formed to be coupled to the guide protrusion 650 and the male and female on the inner surface of the guide member 620. It includes more.

Furthermore, as shown in FIG. 5, the guide means 600 further includes a guide packing 670 embedded in a form that crosses a contact surface of each of the powder guides 620A in order to increase the sealing property between the respective powder guides 620A. Include.

On the other hand, the air jet handpiece having a pressure display function according to the invention further comprises a holding means 700,

The holding means 700 is

As shown in FIG. 6,

To fix the drug supply hose (H1) elastically to hold the drug supply hose (H1) bounces instantly by the high pressure air pressure supplied during drug injection,

Receiving groove 710, a portion of the drug supply hose (H1) is accommodated on the handpiece main body 100,

Holding part 720 of the other part of the other portion of the drug supply hose (H1) seated in the receiving groove 710,

Corresponding holding part 730 mounted on the handpiece main body 100 while wrapping the remaining part of the other part of the drug supply hose (H1) seated in the receiving groove 710, which is not wrapped by the holding part 720,

A hinge part 740 which enables the upward rotation of the holding part 720 while connecting the holding part 720 and the corresponding holding part 730 to each other; and

A holding spring 750 disposed between the holding part 720 and the corresponding holding part 730 and pressed by the holding part 720 when the holding part 720 is rotated based on the hinge part 740.

It is made, including.

In the above description of the present invention, the airjet handpiece having a pressure display function having a specific shape and structure has been described with reference to the accompanying drawings, but the present invention can be variously modified and changed by those skilled in the art. Modifications and variations are to be interpreted as falling within the protection scope of the present invention.

100: handpiece body
S: installation space
110: syringe holder
111: syringe 111a: injection hole
120: nozzle connection
121: coupling groove
130: handle
131: operation switch
H1: Drug supply hose
200: injection nozzle
210: injection pipe
211 inlet 212 input furnace
213: injection hole 214: air discharge hole
215: fitting portion
220: injection pin
221: rubber ring 222: outflow rubber ring
230: combined piece
400: injection means
V: Pneumatic Valve
410: cylinder
411: rapid exhaust valve
420: cylinder head
430 cylinder axis
440: spring
450: support plate
460: rotating shaft
470: support shaft
500: pressure display means
510: pressure measuring sensor
520: display
530: controller
531: mode setting unit 532: range setting unit
533: external notification unit
600: guide means
610: Support
620: guide member
620A: Powder Guide
630: the back
640: elastic spring
650: guide protrusion
660: Guide groove
670: Guide Packing
700: holding means
710: receiving home
720: holding part
730: corresponding holding part
740: hinge part
750: holding spring

Claims (4)

Handpiece consisting of an installation space (S) formed therein, a syringe holder 110 arranged on the top, a nozzle connection portion 120 arranged on the front, and a handle 130 arranged on the bottom and having an operation switch 131. Main body 100;
A rear end is coupled to the nozzle connector 120 and is connected through an injection port 111a of the syringe 111 and a drug supply hose H1 to sequentially receive a predetermined amount of drug from the syringe 111. Spray nozzle 200 to be sprayed on the skin;
It is installed in the installation space (S) and is operated by receiving a high pressure air from the outside to supply a predetermined amount of pneumatic pressure to the syringe 111 and the injection nozzle by the operation of the operation switch 131 of the handle 130 Injection means 400 for injecting the drug supplied to the 200; And
Pressure display means 500 which is arranged on the rear upper portion of the handpiece main body 100 to display a measurement value for the high pressure air pressure supplied to the injection means 400;

The injection nozzle 200 is provided with a cylindrical injection pipe 210 having a injection hole 213 in front to the drug supply hose (H1) is connected and injected drug is injected,
It is mounted to the injection pipe 210 further comprises a guide means 600 for preventing the drug is injected when in contact with the skin to the outside, the guide means 600 of the injection pipe 210 A support 610 having an annular space 611 formed along the outer surface of the interruption portion and opening forward, and a front end portion inserted into the space 611 of the support 610; A guide member 620 exposed to the front side of the pipe 210, an annular step surface portion 630 of an elastic material provided to protrude to the front side of the guide member 620 in contact with the skin, and the support It is made of an elastic spring 640 interposed between the bottom of the space portion 611 of the 610 and the rear end of the guide member 620,
The guide member 620 is an air jet handpiece having a pressure display function, characterized in that consisting of two powder guides (620A) divided when viewed from the front.

The method of claim 1,
The pressure display means 500
A pressure measuring sensor 510 installed on a supply path for guiding the high pressure air to be supplied to the injection means 400 from the outside;
A display 520 mounted on the rear upper portion of the handpiece main body 100;
The controller 530 is electrically connected to the display 520 and receives the measured value from the pressure measuring sensor 510 to be displayed on the display 520.
Airjet handpiece having a pressure display function, characterized in that consisting of.
The method of claim 2,
The controller 530 is a mode setting unit 531 for converting the measured value for each unit to be displayed on the display 520, and a range setting unit for allowing the user to set the range of the lowest value and the highest value for high pressure air pressure. 532 and an external notification unit 533 which is notified to the outside when the measured value for the currently supplied high pressure air pressure is out of the range of the minimum value and the maximum value set by the range setting part 532. Airjet handpiece with pressure display function.
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