KR102402505B1 - Drug delivery device - Google Patents

Abstract

A drug delivery device according to the present invention comprises: a casing having a grip portion; a laser oscillator accommodated inside the casing; a pressurizing unit connected to the casing and receiving a working fluid; and a drug delivery unit disposed on one side of the casing for laser irradiation and drug injection, wherein the drug delivery unit includes: a barrel for guiding the laser generated from the laser generator to be irradiated through a preset irradiation path; a drug cartridge connected to the pressing unit and configured to receive a drug; and a switch member that is movably coupled to the barrel and has a delivery path arranged so that the drug of the drug cartridge is injected into the irradiation path by the pressure of the working fluid when moving to be interposed on the irradiation path do.

Description

Drug delivery device {DRUG DELIVERY DEVICE}

The present invention relates to a drug delivery device for administering a drug after perforating the skin by irradiating a laser.

Recently, there is an increasing demand for a drug delivery device and system (DDS, Drug Delivery System) for administering a drug within a skin tissue by using a laser technology without a needle in a hospital syringe.

A drug administration device using a laser can gently and safely administer a predetermined amount of a drug according to a prescription to a target depth in the skin tissue compared to a conventional piston-type syringe. By not using a needle, needle puncture accidents do not occur, pain can be remarkably lowered, and it is possible to suppress the formation of calluses on the skin.

In this regard, Korean Patent Registration No. 10-1482863 discloses a mass transfer device using a laser. The mass transfer apparatus using a laser disclosed in the above publication includes a material supply chamber, a laser irradiation module, a laser generator, and a gas storage tank. The laser irradiation module may use a laser to form an injection hole on the skin, and inject a substance through the injection hole. The mass transfer device using a laser according to the above publication can make micro-sized holes desired by the operator at various depths in the skin, and uniformly supply the injected drug to the desired skin depth and width.

On the other hand, the mass transfer device using the laser of Korea Patent Registration No. 10-1482863 described above has a gas storage tank that stores and supplies carbon dioxide, a power supply that supplies power, and a laser generator that irradiates a laser generated with the received power. Due to the proportion of capacity occupied, the mass transfer device itself is designed to be large in size, so there is an inconvenience in using it that it cannot be carried.

One object of the present invention is to provide a drug delivery device capable of rapidly and accurately injecting a drug as needed into the body tissue at the punctured site after forming a hole in the skin tissue with a size in the range of micrometers using a laser. will be.

Another object of the present invention is to provide a drug delivery device that is more compact than the conventional one, so that it is portable and convenient to use, as well as excellent in operation precision by utilizing sensor sensing.

However, the technical problems to be achieved by the present embodiment are not limited to the technical problems described above, and other technical problems may exist.

In order to achieve the object of the present invention, a drug delivery device according to the present invention includes a casing having a grip portion; a laser oscillator accommodated inside the casing; a pressurizing unit connected to the casing and receiving a working fluid; and a drug delivery unit disposed on one side of the casing for laser irradiation and drug injection, wherein the drug delivery unit includes: a barrel for guiding the laser generated from the laser oscillator to be irradiated to a preset irradiation path; a drug cartridge connected to the pressing unit and configured to receive a drug; and a switch member that is movably coupled to the barrel and has a delivery path arranged so that the drug of the drug cartridge is injected into the irradiation path by the pressure of the working fluid when moving to be interposed on the irradiation path do.

In order to achieve the object of the present invention, the drug delivery unit includes: a hinge part for rotatably supporting the switch member; and a motor unit configured to rotate and move the switch member around the hinge unit.

In order to achieve the object of the present invention, both ends of the switch member are connected to the drug cartridge and the hinge, respectively, and the delivery passage passing through the switch member, one side communicates with the inner space of the drug cartridge, and , the other side may be positioned between both ends of the switch member to be aligned on the irradiation path.

In order to achieve the object of the present invention, the switch member may reciprocate between a first position positioned to avoid the irradiation path and a second position interposed on the irradiation path.

In order to achieve the object of the present invention, the barrel unit may include: a laser irradiation mode detection sensor configured to detect the switch member positioned at the first position; And it may include a drug injection mode detection sensor for detecting the switch member located in the second position.

In order to achieve the object of the present invention, when the user's laser irradiation signal is input at the first position, the laser oscillator controls so that the laser is irradiated, and when the laser irradiation is completed, the switch member is moved to the second position and then the user's When a drug injection signal is input, it may further include a control unit for operating the pressurization unit.

In order to achieve the object of the present invention, the barrel portion includes a lens portion for guiding the laser; a laser-drug discharge nozzle unit spaced apart from the lens unit on the irradiation path; and a switch accommodating part formed to accommodate the switch member between the lens part and the laser-drug discharge nozzle part.

In order to achieve the object of the present invention, the laser-drug discharge nozzle unit may be detachable from the lens unit.

In order to achieve the object of the present invention, the pressurization unit includes: a fluid cartridge for accommodating the working fluid; a connecting pipe portion communicating with the fluid cartridge and positioned to be fixed to the casing; It may include a flexible connecting tube for communicating the connecting pipe portion and the drug cartridge with each other.

In order to achieve the object of the present invention, the pressurizing unit includes an opening/closing valve installed to open and close the connection pipe part; a pressure regulating valve configured to control the pressure of the working fluid flowing inside the connecting pipe part; and a pressure gauge configured to indicate the pressure of the working fluid flowing inside the connection pipe part.

In order to achieve the object of the present invention, the drug cartridge may include a check valve configured to inhibit the flow of the drug or the working fluid from the drug cartridge to the connecting tube.

In order to achieve the object of the present invention, a drug delivery device according to the present invention includes a laser oscillator; a pressurizing unit positioned to be fixed with the laser oscillator and generating a pressure; and a drug delivery unit for laser irradiation and drug injection, wherein the drug delivery unit includes: a barrel for guiding the laser generated from the laser oscillator to be irradiated through a preset irradiation path; a drug cartridge connected to the pressurizing unit and configured to receive a drug; And each connected to the drug cartridge and the barrel, the laser irradiation mode is located in the first position to avoid the irradiation path, in the drug injection mode, the drug in the drug cartridge is irradiated by the pressure generated by the pressurizing unit. and a switch member positioned in the second position to allow spraying into the pathway.

The above-described problem solving means are merely exemplary, and should not be construed as limiting the present invention. In addition to the exemplary embodiments described above, there may be additional embodiments described in the drawings and detailed description.

According to the present invention, after forming a micrometer-sized hole in the skin tissue using a laser without a needle, and promptly and accurately injecting the necessary drug into the body tissue at the punctured site, the pain is significantly reduced Not only can it progress quickly, but it can also prevent secondary infection.

In addition, according to the present invention, it is possible to prevent an accident due to carelessness by making the device smaller than the conventional case, thereby making it more portable and convenient to use, and improving the precision of operation by utilizing sensor sensing.

1 is a perspective view of a drug delivery device according to an embodiment of the present invention.
2 is a cross-sectional view of a drug delivery device according to an embodiment of the present invention.
3 is a front view of a drug delivery device according to an embodiment of the present invention.
4A and 4B are diagrams for explaining an operation of a barrel unit according to an embodiment of the present invention.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those of ordinary skill in the art can easily implement them. However, the present invention may be embodied in several different forms and is not limited to the embodiments described herein. And in order to clearly explain the present invention in the drawings, parts irrelevant to the description are omitted, and similar reference numerals are attached to similar parts throughout the specification.

Throughout the specification, when a part is "connected" with another part, this includes not only the case of being "directly connected" but also the case of being "electrically connected" with another element interposed therebetween. . In addition, when a part "includes" a certain component, it means that other components may be further included, rather than excluding other components, unless specifically stated to the contrary. It should be understood that the existence or addition of features or numbers, steps, operations, components, parts, or combinations thereof, is not precluded in advance.

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

1 is a perspective view of a drug delivery device according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the drug delivery device according to an embodiment of the present invention. Figure 3 is a front view of the drug delivery device according to an embodiment of the present invention, Figures 4a and 4b is a view for explaining an example of the barrel according to an embodiment of the present invention.

A drug delivery device according to an embodiment of the present invention includes a laser module that can puncture skin tissue using a laser without a needle, and a drug module that can quickly and accurately inject a drug into a body tissue at the punctured site. It is characterized in that it is significantly less painful than the existing piston-type syringe and can proceed quickly, and the device is miniaturized for portability and convenient use, and excellent precision of operation through sensor detection.

1 and 2 , the drug delivery device 100 includes a casing 110 , a laser oscillator 120 , a pressurization unit 130 , a drug delivery unit 140 , a controller 150 , an input/output unit 160 . ) and a power supply unit 170 .

Here, the laser module may be composed of a laser oscillator 120 , and the drug solution module may be composed of a pressurization unit 130 and a drug delivery unit 140 . In more detail, after generating a perforation in the skin by irradiating a laser from the laser oscillator 120, instantaneous pressure is applied to the perforated spot in the pressurizing unit 130 and the drug delivery unit 140 so that the drug is injected to the outside. This makes it possible to rapidly and accurately penetrate the drug into body tissues. Therefore, perforation through laser irradiation and drug administration can proceed simultaneously in a short time.

First, the casing 110 according to an embodiment of the present invention, referring to FIG. 1 , may include a grip portion 111 , and the laser oscillator 120 may be accommodated in the casing 110 . The grip part 111 may correspond to a part that a user can hold and carry by hand. The grip unit 111 may further include a sensor (not shown) capable of detecting whether the user holds the hand wrapped around it.

Referring to FIG. 2 , a laser oscillator 120 for generating a laser may be built in the casing 110 , and a power source 170 for supplying power may be built into the grip part 111 .

Hereinafter, in order to examine a laser module capable of puncturing skin tissue using a laser without a needle, the configuration and characteristics of the laser oscillator 120 will be first described.

The laser oscillator 120 is a component that generates a laser for perforation of the skin, and may include various types such as Er-YAG, Er-YSGG, Er-GLASS, Nd-Yag, Nd-Yap, and LD (Laser Diode). ) method can also be used for skin perforation. The intensity of the laser emitted from the laser oscillator 120 may be set and adjusted according to circumstances, and is not limited to the embodiment described herein.

The laser oscillator 120 according to an embodiment of the present invention may receive power from the power supply unit 170 and irradiate the generated laser toward the barrel unit 141 . In more detail, the laser generated by the laser oscillator 120 may be irradiated to the outside through the laser-drug discharge nozzle unit 141b to create a perforation in the skin.

The laser oscillator 120 may irradiate a laser of a certain intensity or higher to form a hole in the micrometer range on the skin uniformly. For example, the laser oscillator 120 is used to emit with a wavelength of 1024 nm to 3000 nm, and a depth of 0.1 mm to 10.0 mm and a width of 50 μm to 1000 μm may be maintained.

Hereinafter, the configuration and characteristics of the pressurizing unit 130 and the drug delivery unit 140 will be described in order to examine a drug solution module capable of rapidly and accurately injecting a drug into a body tissue immediately at the punctured site.

First, the pressurization unit 130 according to an embodiment of the present invention is connected to the casing 110 and may receive a working fluid. For example, the pressing unit 130 may be disposed on the upper rear surface of the casing 110 .

Referring to FIG. 1 , the pressurization unit 130 may further include a fluid cartridge 131 , a connection pipe part 132 , and a connection tube 133 . The fluid cartridge 131 may receive a working fluid, and the connection pipe 132 communicating with the fluid cartridge 131 may be formed to be fixed to the casing 110 . The connecting tube 133 may be formed of a flexible material, and the connecting pipe 132 and the drug cartridge 142 may communicate with each other.

For example, the working fluid may be carbon dioxide, and may be selected in consideration of the type of drug accommodated in the drug cartridge 142 , which will be described later, such as a drug according to a prescription, such as insulin and carboxylipolysis drug, and the pressure required for injection. The working fluid accommodated in the fluid cartridge 131 may be transferred to the drug delivery unit 140 through the connecting pipe 132 and the connecting tube 133 .

Referring to FIG. 2 , the pressurization unit 130 may further include an on/off valve 134 , a pressure control valve 135 , and a pressure gauge 136 . The opening/closing valve 134 may be installed to open and close the connection pipe part 132 , and the pressure control valve 135 may be formed to control the pressure of a working fluid flowing inside the connection pipe part 132 . The pressure gauge 136 may be formed to indicate the pressure of the working fluid flowing inside the connection pipe part 132 .

According to an embodiment of the present invention, the opening/closing valve 134 may be formed in one or more plurality. When the operation of the drug delivery unit 140 is started, the working fluid accommodated in the fluid cartridge 131 may move in the direction of the on-off valve 134 at a constant pressure through the pressure control valve 135 . The constant pressure may be checked through the pressure gauge 136 . After that, when the user clicks the operation button, the opening/closing valve 134 is opened, and the working fluid may move to the drug delivery unit 140 . In more detail, the working fluid may move to the drug cartridge 142 through the connection tube 133 with the opening of the on-off valve 134 , and the working fluid moving to the drug cartridge 142 is transferred to the switch member 143 . It may be discharged to the outside through the laser-drug discharge nozzle unit 141b through the flow path 143a.

According to an embodiment of the present invention, the set pressure may be different depending on the type of the working fluid. For example, when the working fluid accommodated in the drug cartridge 142 is insulin and a carboxy lipolysis drug, the pressure of the drug or working fluid flowing inside the connection pipe part 132 is adjusted by adjusting the pressure control valve 135 to 0.5 bar ~ It can be set to 10 bar. The pressure control valve 135 may be configured to be moved to block or open a portion of the flow path inside the connection pipe unit 132 by a user's screw rotation operation.

The drug delivery unit 140 according to an embodiment of the present invention may be disposed on one side of the casing 110, irradiate a laser, and inject a drug or a working fluid. The drug delivery unit 140 may quickly and accurately inject a predetermined dose of a drug into the perforated skin through the laser generated from the laser oscillator 120 .

The drug delivery unit 140 may be disposed on the upper front surface of the casing 110 , as shown in FIG. 2 . The drug delivery unit 140 may include a barrel 141 , a drug cartridge 142 and a switch member 143 .

The barrel 141 may guide the laser generated from the laser oscillator 120 to be irradiated through a preset irradiation path P, referring to FIG. 4A . In more detail, it is possible to provide a path through which the laser irradiated from the laser oscillator 120 is irradiated to the skin.

As an example, the irradiation path P may be disposed in front of the barrel portion 141 to converge the laser generated by the laser oscillator 120 and irradiate it forward. According to an embodiment of the present invention, a plurality of irradiation paths P may be formed. By setting a plurality of irradiation paths P, it is possible to generate a plurality of perforations in the skin at a time.

The barrel 141 may further include a lens unit 141a, a laser-drug discharge nozzle unit 141b, and a switch accommodation unit 141c, as shown in FIGS. 2 and 4A and 4B . The lens unit 141a may guide the laser. The laser-drug discharge nozzle unit 141b may discharge the drug contained in the drug cartridge 142 to the outside. The laser-drug discharge nozzle unit 141b may be disposed to be spaced apart from the lens unit 141a on the irradiation path P, and may be detachable from the lens unit 141a.

The laser-drug discharge nozzle unit 141b according to the present invention may be set in plurality. By setting a plurality of laser-drug discharge nozzle units 141b according to a predetermined amount of the drug and the working fluid, the input amount can be adjusted. For example, a plurality of laser-drug discharging nozzle units 141b are formed on the front surface of the barrel 141 so that a relatively large amount of drug and working fluid can be discharged to the outside at once.

The switch accommodating part 141c, referring to FIG. 1, may be formed to accommodate the switch member 143 between the lens part 141a and the laser-drug discharge nozzle part 141b.

The barrel 141 according to an embodiment of the present invention may further include a laser irradiation mode detection sensor 141d and a drug injection mode detection sensor 141e with reference to FIGS. 4A and 4B . The laser irradiation mode detection sensor 141d may detect the switch member 143 located in the first position L1, and the drug injection mode detection sensor 141e is the switch member located in the second position L2 (L2). 143) can be detected.

For example, the laser irradiation mode detection sensor 141d may be formed in the 10 o'clock direction on the front surface of the barrel 141 as shown in FIG. 4B , and the drug injection mode detection sensor 141e is shown in FIG. 4A As shown, it may be formed in the 12 o'clock direction on the front surface of the barrel part 141 .

The drug cartridge 142, referring to Figure 1, is connected to the pressurization unit 130, it may be formed to accommodate the drug. More specifically, the upper portion of the drug cartridge 142 may be directly connected to the flexible connecting tube (133).

The drug cartridge 142 according to an embodiment of the present invention may further include a check valve (142a). The check valve 142a may be formed to inhibit the flow of the drug or working fluid from the drug cartridge 142 to the connection tube 133 . That is, it is to prevent the working fluid delivered through the connection tube 133 or the drug in the drug cartridge from flowing back into the pressurizing unit 130 .

The switch member 143 according to an embodiment of the present invention may further include a transmission flow path 143a with reference to FIGS. 2 and 4A and 4B . The delivery channel 143a is movably coupled to the barrel 141, and the drug of the drug cartridge 142 is irradiated by the pressure of the working fluid when the switch member 143 moves so as to be interposed on the irradiation path P. It can be arranged to be sprayed with (P). For example, when the switch member 143, which was located in the 10 o'clock direction, moves in the 12 o'clock direction, the drug or working fluid contained in the drug cartridge 142 flows along the irradiation path 143a by pressure and laser-drug discharge It may be sprayed to the outside through the nozzle part 141b.

More specifically, when the user presses the operation button, the laser is automatically charged and ready for use. At this time, the switch member 143 may move to the left in the 10 o'clock direction, so that the path through which the laser to be irradiated to the skin is irradiated may be in an open state. The position of the switch member 143 in the laser irradiation mode may be detected by the laser irradiation mode detection sensor 141d located on the front surface of the barrel 141 . The laser irradiation mode detection sensor 141d may be a button directly pressed by the switch member 143 , an infrared sensor, or a sensor that detects a change in light or a change in current.

When the laser-drug discharge nozzle part 141b comes into contact with the skin, a skin detection sensor (not shown) recognizes it and prepares to irradiate the laser. A skin detection sensor (not shown) may detect that the laser-drug discharge nozzle unit 141b is in contact with the skin, and may cause the laser oscillator 120 to irradiate the laser. The laser irradiation may be started by pressing the shot input unit 163, which will be described later.

The laser irradiated from the laser oscillator 120 may make micro-sized holes in the skin. After the skin perforation operation is finished, the switch member 143 automatically moves to the right in the 12 o'clock direction, allowing the operation of the drug delivery unit 140 according to the detection of the drug injection mode detection sensor 141e. . The drug injection mode detection sensor 141e may be configured in the same way as the laser irradiation mode detection sensor 141d. In a state in which the switch member 143 moves in the 12 o'clock direction, that is, in the drug injection mode, the switch member 143 closes the laser irradiation path P to ensure user safety. When the switch member 143 moves in the 12 o'clock direction, the user may press an operation button, for example, the shot input unit 163 once again, to immediately inject a drug or a working fluid into the perforated skin. In this case, when the laser-drug discharge nozzle unit 141b is in contact with the skin in the laser irradiation mode and is switched to the drug injection mode, the contact is maintained as it is, so that the drug solution is passed through the hole formed in the laser irradiation mode. can be injected effectively.

When the injection of the drug or the working fluid is completed, the user can move the switch member 143 back to the 10 o'clock direction by pressing a button (eg, a setting input unit 162 to be described later). The switch member 143 can prepare to start the operation of the laser oscillator 120 again through the detection of the laser irradiation mode detection sensor 141d.

The position of the switch member 143 may be detected by the laser irradiation mode detection sensor 141d and the drug injection mode detection sensor 141e, and according to the position of the switch member 143, the laser oscillator 120 and the drug delivery unit The operation of 140 may be initiated or terminated.

Meanwhile, the drug injection mode detection sensor 141e may correspond to an auxiliary sensor. That is, the drug injection mode detection sensor 141e may serve as an auxiliary sensor capable of supporting the operation start of the drug delivery unit 140 more accurately. According to an embodiment of the present invention, the barrel 141 may include only one laser irradiation mode detection sensor 141d.

The delivery flow path 143a passing through the switch member 143, one side communicates with the inner space of the drug cartridge 142, the other side is located between both ends of the switch member 143, the irradiation path (P) It may be sortable on top.

4A and 4B , the switch member 143 may reciprocate between a first position L1 positioned to avoid the irradiation path P and a second position L2 interposed on the irradiation path. have. The above-described laser irradiation mode may correspond to the first position (L1), and the drug injection mode may correspond to the second position (L2).

The drug delivery unit 140 according to an embodiment of the present invention, referring to FIG. 2 , a hinge part 144 for rotatably supporting the switch member 143 and a switch member ( It may further include a motor unit 145 for rotationally moving the 143). For example, the motor unit 145 may be a stepping motor capable of controlling a rotation angle and a rotation direction according to a signal from the control unit 150 .

Looking more specifically, both ends of the switch member 143 may be connected to the drug cartridge 142 and the hinge portion 144, respectively.

When the user's laser irradiation signal is input at the first position L1, the controller 150 according to an embodiment of the present invention may control the laser oscillator 120 to irradiate the laser. When the laser irradiation is completed, the control unit 150 may move the switch member 143 to the second position L2, and then operate the pressing unit 130 when a user's drug injection signal is input.

Referring to FIG. 2 , the input/output unit 160 according to an embodiment of the present invention may be accommodated in the casing 110 , and may include a status output unit 161 , a setting input unit 162 , and a shot input unit 163 . may further include. The state output unit 161 may be configured as a display for outputting the operation or preparation state of the drug injection device 100 according to the present invention to the user. In addition, the setting input unit 162 may provide an interface for setting including the laser intensity, irradiation time, operation time of the drug injection device, and the like. The shot input unit 163 may receive a command for starting laser irradiation or drug injection from a user.

Referring to FIG. 2 , the power supply unit 170 according to an embodiment of the present invention may be accommodated inside the casing 110 , and more specifically, may be disposed inside the grip unit 111 . The power supply unit 170 may turn on/off the power of the drug delivery device 100 by the user pressing an operation button, and may supply power to the laser oscillator 120 . The power supply unit 170 receives and stores power from the outside through charging, so that the drug injection device 100 according to the present invention can be used as a portable device.

The above description of the present invention is for illustration, and those of ordinary skill in the art to which the present invention pertains can understand that it can be easily modified into other specific forms without changing the technical spirit or essential features of the present invention. will be. Therefore, it should be understood that the embodiments described above are illustrative in all respects and not restrictive. For example, each component described as a single type may be implemented in a dispersed form, and likewise components described as distributed may be implemented in a combined form.

The scope of the present invention is indicated by the following claims rather than the above detailed description, and all changes or modifications derived from the meaning and scope of the claims and their equivalents should be construed as being included in the scope of the present invention.

100: drug delivery device
110: casing
111: grip part
120: laser oscillator
130: pressurization unit
131: fluid cartridge
132: connecting pipe part
133: connecting tube
134: on-off valve
135: pressure regulating valve
136: pressure gauge
140: drug delivery unit
141: light barrel
141a: lens unit
141b: laser-drug discharge nozzle unit
141c: switch receptacle
141d: laser irradiation mode detection sensor
141e: drug injection mode detection sensor
142: drug cartridge
142a: check valve
143: no switch
143a: Forwarding Euro
144: hinge
145: motor unit
150: control unit
160: input/output unit
161: status output unit
162: setting input unit
163: shot input unit
170: power unit
L1: first position
L2: second position
P: investigation path

Claims (12)

A drug delivery device comprising:
a casing having a grip portion;
a laser oscillator accommodated inside the casing;
a pressurizing unit connected to the casing and receiving a working fluid; and
It includes a drug delivery unit disposed on one side of the casing for laser irradiation and drug injection,
The drug delivery unit,
a barrel for guiding the laser generated from the laser oscillator to be irradiated through a preset irradiation path;
a drug cartridge connected to the pressing unit and configured to receive a drug; and
A switch member movably coupled to the barrel part and having a delivery flow path arranged so that the drug of the drug cartridge is sprayed to the irradiation path by the pressure of the working fluid when moving to be interposed on the irradiation path ,
wherein the switch member reciprocates between a first position positioned to avoid the irradiation path and a second position to close the irradiation path.
The method of claim 1,
The drug delivery unit,
a hinge part for rotatably supporting the switch member; and
The drug delivery device further comprising a motor for rotationally moving the switch member around the hinge portion.
3. The method of claim 2,
Both ends of the switch member are connected to the drug cartridge and the hinge, respectively,
The delivery flow path passing through the switch member, one side communicates with the inner space of the drug cartridge, the other side is located between both ends of the switch member, characterized in that alignable on the irradiation path, drug, delivery device.
delete A drug delivery device comprising:
a casing having a grip portion;
a laser oscillator accommodated inside the casing;
a pressurizing unit connected to the casing and receiving a working fluid; and
It includes a drug delivery unit disposed on one side of the casing for laser irradiation and drug injection,
The drug delivery unit,
a barrel for guiding the laser generated from the laser oscillator to be irradiated through a preset irradiation path;
a drug cartridge connected to the pressing unit and configured to receive a drug; and
A switch member movably coupled to the barrel part and having a delivery flow path arranged so that the drug of the drug cartridge is sprayed to the irradiation path by the pressure of the working fluid when moving to be interposed on the irradiation path ,
the switch member reciprocates between a first position positioned to avoid the irradiation path and a second position interposed on the irradiation path;
The barrel part,
a laser irradiation mode detection sensor for detecting the switch member located in the first position; and
A drug delivery device comprising a drug injection mode detection sensor for detecting the switch member located in the second position.
The method of claim 1,
When the user's laser irradiation signal is input at the first position, the laser oscillator controls so that the laser is irradiated, and when the laser irradiation is completed, the switch member is moved to the second position, and when the user's drug injection signal is input, the pressurization A drug delivery device, further comprising a control unit for operating the unit.
delete A drug delivery device comprising:
a casing having a grip portion;
a laser oscillator accommodated inside the casing;
a pressurizing unit connected to the casing and receiving a working fluid; and
It includes a drug delivery unit disposed on one side of the casing for laser irradiation and drug injection,
The drug delivery unit,
a barrel for guiding the laser generated from the laser oscillator to be irradiated through a preset irradiation path;
a drug cartridge connected to the pressing unit and configured to receive a drug; and
A switch member movably coupled to the barrel part and having a delivery flow path arranged so that the drug of the drug cartridge is sprayed to the irradiation path by the pressure of the working fluid when moving to be interposed on the irradiation path ,
The barrel part,
a lens unit for guiding the laser;
a laser-drug discharge nozzle unit spaced apart from the lens unit on the irradiation path; and
and a switch accommodating part formed to accommodate the switch member between the lens part and the laser-drug discharge nozzle part,
The laser-drug delivery device, characterized in that the drug discharge nozzle unit is detachable from the lens unit.
The method of claim 1,
The pressurization unit,
a fluid cartridge containing the working fluid;
a connecting pipe portion communicating with the drug cartridge and positioned to be fixed to the casing;
A drug delivery device comprising a flexible connecting tube for communicating the connecting pipe portion and the drug cartridge with each other.
10. The method of claim 9,
The pressurization unit,
an opening/closing valve installed to open and close the connection pipe part;
a pressure regulating valve configured to control the pressure of the working fluid flowing inside the connecting pipe part; and
Further comprising a pressure gauge configured to indicate the pressure of the working fluid flowing inside the connecting pipe portion, the drug delivery device.
10. The method of claim 9,
The drug cartridge includes a check valve configured to inhibit the flow of the drug or the working fluid from the drug cartridge to the connecting tube.
A drug delivery device comprising:
laser oscillator;
a pressurizing unit positioned to be fixed with the laser oscillator and generating a pressure; and
A drug delivery unit for laser irradiation and drug injection,
The drug delivery unit,
a barrel for guiding the laser generated from the laser oscillator to be irradiated through a preset irradiation path;
a drug cartridge connected to the pressing unit and configured to receive a drug; and
Each of the drug cartridge and the barrel is connected to the first position to avoid the irradiation path in the laser irradiation mode, and in the drug injection mode, the drug in the drug cartridge is transferred to the irradiation path by the pressure generated by the pressurizing unit. a switch member positioned in the second position to allow it to be sprayed into
wherein the switch member reciprocates between a first position positioned to avoid the irradiation path and a second position to close the irradiation path.

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