WO2001089404A1 - A treatment system of cancer by laser - Google Patents
A treatment system of cancer by laser Download PDFInfo
- Publication number
- WO2001089404A1 WO2001089404A1 PCT/KR2001/000799 KR0100799W WO0189404A1 WO 2001089404 A1 WO2001089404 A1 WO 2001089404A1 KR 0100799 W KR0100799 W KR 0100799W WO 0189404 A1 WO0189404 A1 WO 0189404A1
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- WO
- WIPO (PCT)
- Prior art keywords
- laser
- output
- key
- resonator
- cancer therapy
- Prior art date
Links
- 206010028980 Neoplasm Diseases 0.000 title description 13
- 201000011510 cancer Diseases 0.000 title description 9
- 238000011275 oncology therapy Methods 0.000 claims abstract description 18
- 230000005855 radiation Effects 0.000 claims description 19
- 239000013307 optical fiber Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 3
- 239000010931 gold Substances 0.000 claims description 3
- 229910052737 gold Inorganic materials 0.000 claims description 3
- 238000002428 photodynamic therapy Methods 0.000 abstract 1
- 210000001519 tissue Anatomy 0.000 description 12
- 230000003287 optical effect Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 5
- 238000002560 therapeutic procedure Methods 0.000 description 5
- 239000006185 dispersion Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 210000004027 cell Anatomy 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010339 medical test Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001575 pathological effect Effects 0.000 description 2
- 239000003504 photosensitizing agent Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 102000001554 Hemoglobins Human genes 0.000 description 1
- 108010054147 Hemoglobins Proteins 0.000 description 1
- 206010061218 Inflammation Diseases 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 238000002583 angiography Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004204 blood vessel Anatomy 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000003759 clinical diagnosis Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 230000004054 inflammatory process Effects 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 210000003470 mitochondria Anatomy 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 229940109328 photofrin Drugs 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 210000004872 soft tissue Anatomy 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 210000004881 tumor cell Anatomy 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000001429 visible spectrum Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/20—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using laser
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/0613—Apparatus adapted for a specific treatment
- A61N5/062—Photodynamic therapy, i.e. excitation of an agent
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N5/067—Radiation therapy using light using laser light
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N5/00—Radiation therapy
- A61N5/06—Radiation therapy using light
- A61N2005/0658—Radiation therapy using light characterised by the wavelength of light used
- A61N2005/0659—Radiation therapy using light characterised by the wavelength of light used infrared
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Optics & Photonics (AREA)
- Surgery (AREA)
- Biophysics (AREA)
- Electromagnetism (AREA)
- Otolaryngology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Radiation-Therapy Devices (AREA)
- Laser Surgery Devices (AREA)
Abstract
In the cancer therapy system using laser, as a laser system for a photodynamic therapy, which is capable of easily striving for a light weight and a simple movement and installment of a product, and a treatment etc., it is circuit-constructed by installing a diode laser resonator having, in detail, laser wavelength of 600~1000 nm and a laser output of 10W below (continuous wave) and 100W (peak wave), and its appropriate laser power supplying part, to thereby improve a use convenience.
Description
A TREATMENT SYSTEM OF CANCER BY LASER
TECHNICAL FIELD
The present invention relates to a laser system for a photodynamic
cancer therapy, capable of easily striving for a light weight and a simple
movement and installment of a product, and a treatment; and more
particularly, to a cancer therapy system using laser, for improving a use
convenience by installing a diode laser resonator having, for example, laser
wavelength of 600 — 1000 nm and a laser output of 10W below (continuous
wave) and 100W (peak wave) and circuit-constructing a laser power
supplying part appropriate to that.
BACKGROUND ART
A tumor requires a microscopic test to distinguish from a swelling
through a general inflammation and a scorbutic bleeding etc., and starts on
local disease and is spread to the whole body.
Even though tumor cell is restricted only on the surface of an
occurrence portion or is infiltrated to neighbor tissue, being passed by
the surface, it is rare to transit to lymph or the whole body in a small case
from
1 mm to 2cm. In a case of clinical diagnosis, a symptom is checked
and a thorough medical test is performed, and after that, a pathological
change is decided through an angiography, a CT, an ultrasound test, an
MRL, an endoscope, an immune test, a cell medical checkup and a
pathological test.
As an optical characteristic of the tumor, in the tumor tissue, an
absorption coefficient is increased due to an increase of the volume of a
micro-blood vessel by hemoglobin and a formation of the blood vessel
within the tumor, and a dispersion coefficient attenuated by mitochondria
etc. is heightened. Also, equally to normal tissue, dispersion occurs
leadingly rather than absorption. Meantime, if optics becomes incident into
material, the material has a reaction such as an optical absorption,
dispersion and permeation etc., and even when the optics becomes incident
to somatological tissue, the same reaction occurs. Therefore, optics
secondarily generated by the reaction with the somatological tissue
represents peculiar information of the somatological tissue, and when
obtaining and reconstructing the information, a state of the somatological
tissue can be diagnosed.
Therefore, there is an advantage that a medical test can be
executed by deviating from the existing dangerousness and inefficiency, in
a medical test technique using the optical characteristic difference.
An optical characteristic of soft tissue can provide information for a
physiological phenomenon within the somatological tissue, and optics
between 600 and lOOOnm has a highest permeation force in most tissue of
the human body because of a lower absorption extent of a normal cell
constructive component, and is relatively dispersed inefficiently by a cell
organ.
In the optical characteristic of the somatological tissue, optics of a
visible spectrum or infrared rays area is not well absorbed, while, its
dispersion is well gotten. Thus, a concern state can be judged by analyzing
a color of the optics irradiated or dispersed on the surface of the
somatological tissue.
A conventional laser instrument selects and uses a wavelength band
in laser wavelength of 630nm as helium neon (He-Ne) laser, but this
helium neon laser has a shortcoming of a lower output, thus requires a
laser system of a high output.
Further, not only an installing area should be considered since a
product size of the helium-neon laser is large, but also several restrictions
are caused.
DISCLOSURE OF INVENTION
Accordingly, the present invention is directed to a cancer therapy
system that substantially obviates one or more of the limitations and
disadvantages of the related art.
A primary object of the present invention is to provide a cancer
therapy system using laser, which is capable of improving an exactness
and a precision extent through an output
of various laser, in a circuit construction of a laser resonator having, for
example, laser wavelength of 600 — 1000 nm and a laser output of 10W
below and 100W, and its appropriate laser power supplying part and
one-chip micom etc., by using a laser system for a photodynamic cancer
therapy of diode laser or gold vapor laser so as to easily strive for a light
weight and a simple movement and installment of a product, and a
treatment, to thereby settle a use inconvenience caused in a conventional
helium-neon laser instrument.
In accordance with the present invention for achieving the object, in
the cancer therapy system using laser, a system main body 17 has a
keyboard 3, which includes a digit key 21, a DEL key 22, a CANCEL key 23,
an UP key 24, a DOWN key 25, an ENTER key 26 and an LCD output
window 11, a cooling fan 6, an interlock 9 and an optical fiber 10 etc., and
thus, the cancer therapy system is constructed by a DC +12V, 5V power
part 12, a one chip micom 13 for embodying a laser radiation mode and a
controlling part 14, a laser power supplying part 15 for controlling an
output of laser and a radiation mode by a switch mode power supply
structure, and a laser resonator 16 having laser wavelength of
600~1000nm by a medium of diode laser and goldvapor laser.
BRIEF DESCRIPTION OF DRAWINGS
The accompanying drawings, which are included to provide a
further understanding of the invention and are incorporated in and
constitute a part of this specification, illustrate embodiments of the
invention and together with the description serve to explain the principles
of the invention.
In the drawings:
Fig. 1 represents an overall exterior view of a cancer therapy
system using laser in the preferred embodiment of the present invention,'
Fig. 2 indicates a block diagram for a cancer therapy system using
laser in the present invention;
Fig. 3 is a circuit diagram showing in detail, a one-chip micom and a
controlling part of Fig. 2;
Fig. 4 is a circuit diagram showing in detail, a laser power supplying
part of Fig. 2; and
Figs. 5 and 6 depict flowcharts for explaining a cancer therapy
system using inventive laser.
BEST MODE FOR CARRYING OUT THE INVENTION
Reference will now be made in detail to the preferred embodiments
of the present invention, examples of which are illustrated in the
accompanying drawings.
Fig. 1 is an overall exterior view of a cancer therapy system using
laser in the preferred embodiment of the present invention. In the cancer
therapy system using laser, which is provided for a photodynamic cancer
therapy, it is installed a diode laser resonator having, for example, laser
wavelength of 600 — 1000 nm and a laser output of 10W below (continuous
wave) and 100W (peak wave), in the inside of a system main body 17, and
its appropriate laser power supplying part is circuit-constructed.
It is important to select a wavelength band in the laser system for
the inventive photodynamic cancer therapy, and a selection standard of
optical wavelength is based on a permeation depth of skin tissue and an
absorption rate of photosensitizer, and photofrin or HPD, and photogem are
used as the photosensitizer.
In the back side of the system main body 17, there are installed a
power inputting part 8 for inputting power of AC 220V, a fuse 7 for
protecting equipments in case that excessive current flows owing to an
abnormality of an internal equipment, a cooling fan 6 for exhausting heat
generated in the inside thereof to the outside, and an interlock 9 for cutting
off an operation of an equipment through an optional signal so as not to
generate laser beam by installing a sensor or a switch in a room or a space
where a terminal for a protection from the laser beam is installed, etc.
In the front side of the system main body 17, there are respectively
installed a power lamp 1 for representing an applied state of power in case
that a key switch 2 for applying power operates, a keyboard 3 for receiving
an input or signal of various kinds of data, optical fiber 10 as a laser
transferring equipment for transferring laser radiated, a radiation alarm
lamp 4 for informing of a radiation of the laser, and an emergent switch 5
for rapidly cutting off power of the equipment in a case of an emergency.
The keyboard 3 is a digit key 21 for inputting a required value etc.
in the midst of a progression based on a flowchart shown in Figs. 5 and 6,
and is needed when an output of laser is determined or a determined output
is called. A DEL key 22 is the button for deleting a mistake -inputted value,
and a CANCEL key 23 represents an execution cancellation or a movement
to a previous menu, and an UP key 24 provides a high menu selection, a
memory index increase and an input value increase. Also, a DOWN key 25
provides a low menu selection, a memory index decrease and an input
value decrease, and an ENTER key 26 indicates a movement to an
execution/input determination (output, ON/OFF TIME, DURATION
TIMEVa selected menu. An LCD output window 11 displays an output, a
radiation mode and an output time etc.
Fig. 2 is a block diagram for the cancer therapy system using laser
in the present invention, and within the system main body 17 shown in Fig.
1, a laser resonator 16 is installed, to output, for example, laser
wavelength of 600 — lOOOnm and a laser output of 10W below (continuous
wave) and 100W (peak wave), to an optical fiber or refracting cancer 10, as
laser beam, and this laser resonator 16 has the laser wavelength of
600 — lOOOnm with a medium of diode laser or goldvapor laser and a good
characteristic for temperature, and also has a protection function for a
moment overcurrent, and is installed on a radiating plate for emitting heat
to the outside.
The laser resonator 16 is connected to the laser power supplying
part 15, and the laser power supplying part 15 senses an output from the
laser resonator 16 and often controls an output value of the laser resonator
16 so as to stabilize an output of laser in response to a signal from a
controlling part 14 and a one-chip micom 13 for an embodiment of a laser
radiation mode. Thus, not only a desired output can be selectively
generated, but also it can be varied from an occurring-valid low output to
the maximum output.
The one-chip micom 13 and the controlling part 14 is passed
through process procedures based on flowcharts of Figs. 5 and 6, and
sends out information for an output strength of laser and a signal for
controlling a laser radiation to the laser power supplying part 15. At this
time, a radiation alarm lamp 4 is lighted up together with the radiation
signal of laser.
The keyboard 3 and the LCD output window 11 respectively
connected to the one-chip micom 13 gives and receives input/output
information with the one-chip micom 13, and receives commercial-use
power of AC 220V and respectively transfers the power to the power lamp
1, the cooling fan 6, the DC ±12V, 5V power part 12 and the laser power
supplying part 15 through the fuse 7, the key switch 2, the interlock 9 and
the emergent switch 5.
In such inventive construction, various laser outputs are provided
by using the laser resonator 16 having, for example, the laser wavelength
of 600 - lOOOnm and the laser output of 10W below and 100W, its
appropriate laser power supplying part 15 and the one-chip micom 13 etc.,
therefore the exactness and the precision extent can be improved and
there is an additional advantage of selecting and using the diode laser or
the goldvapor laser etc.
Figs. 3 and 4 represent circuit diagrams showing in detail, the
one-chip micom 13 and the controlling part of Fig. 2, and the laser power
supplying part 15. The one-chip micom 13 processes an output, a radiation
mode and the input/output data of an output time by flowcharts shown in
Figs. 5 and 6, and a control chip 18 is provided to control in time a laser
output, and a converter 19 converts a strength of the laser, output
256-divided by the one-chip micom 13, into an analog signal from a digital
signal. Two OP amplifiers 20, 20' amplify voltage and current in order to
transfer the signal converted into the analog to the laser power supplying
part 15 shown in Fig. 2 through a transistor Q.
The laser power supplying part 15 has an installment of a current
mode PWM controller 27 for receiving a feedback of a frequency itself
oscillating function and voltage and current and correcting them, so that
initial overcurrent to a switch mode power supplying equipment can be
properly controlled, a damage transferred to the laser resonator 16 of Fig.
2 is minimized, and a control for an output and time can be performed
efficiently. The inputted power outputs high-frequency transformer T2 to
the laser resonator 16 through an FET Ql, Q2 by a signal generated in the
current mode PWM controller 27.
At this time, a laser output control signal generated in the one-chip
micom 13 and the controlling part 14 is received, and is processed at the
current mode PWM controller 27, to thus operate the FET Ql, Q2, and
current and voltage flowing through the laser resonator 16 are sensed to
control the laser output.
Figs. 5 and 6 depict flowcharts for explaining the inventive cancer
therapy system using laser. A laser radiation mode control program
generates a desired laser output by using output data received from the
one-chip micom 13 and the controlling part 14 shown in Fig. 2, can
generate an exact output by detecting and comparing the outputted laser
output, and can also provide various kinds of radiation modes in order to
output in a desired radiation type.
That is, the output and the radiation type desired in the one-chip
micom 13 and the controlling part 14 are inputted and are controlled to
drive the laser power supplying part 15. In other words, a variable is
initiated through the keyboard 3 of the system main body 17 shown in Fig.
1, then a data determination menu (1. DEFAULT, 2. RECALL, 3.
DETERMINATION VALUE) is inputted from a corresponding keypad.
The input value is determined through the ENTER key 26,
respectively, differently, according to 1. DEFAULT, 2. RECALL, 3.
DETERMINATION VALUE, and at 1. DEFAULT and 2. RECALL, data
stored at a memory within the one-chip' micom 13 is read, and at 3.
DETERMINATION VALUE, power value(as an example, 1 - 255mW) and an
operating time (as an example, 1 second~30 minutes) are individually
determined, and then, a laser type menu [1. CONTINUOUS, 2. PULSE,
3.BURST PULSE] is provided. Herewith, menu increase and decrease are
performed by an UP key 24 and a DOWN key 25.
At this time, the input value has a DURATION (as an example,
l~60seconds) determination and an ON/OFF TIME (as an example,
lm/second~10 seconds) determination by the ENTER key 26 through 1.
CONTINUOUS, 2. PULSE, 3.BURST PULSE. Herewith, the menu increase
and decrease can be performed by the UP key 24 and the DOWN key 25.
The default value is determined at the memory within the one-chip
micom 13 according to a storage, and a determination value is provided as
a PULSE TYPE, an POWER/TIME, an ON/OFF TIME and a DURATION
TIME etc., to enable to execute the inventive cancer therapy system and
calculate a corresponding time, and after that, it is completed.
Accordingly, the inventive cancer therapy system operates the
one-chip micom 13, the laser power supplying part 15 and the laser
resonator 16 through the laser radiation control program, to generate laser
beam as the laser output to the exterior optical fiber 10 or the refracting
cancer.
INDUSTRIAL APPLICABILITY
As afore-mentioned, in accordance with the present invention, it is
provided a cancer therapy system using laser, which is capable of
improving an exactness and a precision extent through various laser
outputs, in a circuit construction of a laser resonator having, for example,
laser wavelength of 600 — 1000 nm and a laser output of 10W below and
100W, and its appropriate laser power supplying part and one-chip micom
etc., by using a laser system for a photodynamic cancer therapy of diode
laser or gold vapor laser so as to easily strive for a light weight and a
simple movement and installment of a product, and a treatment, etc.
It will be apparent to those skilled in the art that various controls
and variations can be made in the present invention without deviating from
the spirit or scope of the invention. Thus, it is intended that the present
invention cover the controls and variations of this invention provided they
come within the scope of the appended claims and their equivalents.
Claims
1. A cancer therapy system using laser, which is provided with a
system main body having a keyboard, a cooling fan, an interlock and an
optical fiber etc., said keyboard including a digit key, a DEL key, a
CANCEL key, an UP key, a DOWN key, an ENTER key and an LCD output
window, said system comprising:
a DC +12V, 5V power part;
a one chip micom for embodying a laser radiation mode, and a
controlling part;
a laser power supplying part for controlling an output of the laser
and a radiation mode by a switch mode power supply structure; and
a laser resonator having laser wavelength of 600~ lOOOnm by a
medium of diode laser and goldvapor laser.
2. The system of claim 1, wherein said laser resonator is selected
and used by the diode laser or the gold vapor laser etc.
3. A cancer therapy system using laser, comprising:
one-chip micom for processing an output, a radiation mode and
input/output data of an output time;
a control chip for controlling in time a laser output; a converter for converting a strength of the laser output
256-divided by the one-chip micom, into an analog signal from a digital
signal; and
two OP amplifiers for amplifying voltage and current in order to
transfer a signal converted into the analog to a laser power supplying part
through a transistor.
4. The system of claim 3, wherein said laser power supplying part
has an installment of a current mode PWM controller so as to appropriately
control initial overcurrent and minimize a damage transferred to a laser
resonator, and herewith, inputted power outputs a high-frequency
transformer to the laser resonator through an FET by a signal generated in
the current mode PWM controller.
5. The system of claim 3, wherein said control chip controls in time
an output of the laser by using a microprocessor.
6. The system of claim 3, wherein an output type of said laser has a
radiation type named as continuous wave, pulse, burst pulse and super
pulse.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2000-27600 | 2000-05-23 | ||
| KR10-2000-0027600A KR100406317B1 (en) | 2000-05-23 | 2000-05-23 | A treatment system of cancer by laser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2001089404A1 true WO2001089404A1 (en) | 2001-11-29 |
Family
ID=19669689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2001/000799 WO2001089404A1 (en) | 2000-05-23 | 2001-05-17 | A treatment system of cancer by laser |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100406317B1 (en) |
| WO (1) | WO2001089404A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020060020A (en) * | 2001-01-09 | 2002-07-16 | 박종윤 | Medical Laser Instrument for Photodynamic Treatment or Photodynamic Diagnosis using High Power Semiconductor Laser Diode. |
| KR200269532Y1 (en) * | 2001-07-16 | 2002-03-22 | 주식회사 솔고 바이오메디칼 | Electrochemical Therapy Equipment |
| KR20030081668A (en) * | 2002-04-12 | 2003-10-22 | 이재웅 | A medical treatment apparatus using a laser beam and a method of the same |
| KR100495480B1 (en) * | 2002-05-31 | 2005-06-14 | 주식회사 솔고 바이오메디칼 | Glaucoma treatment apparatus using a semiconductor laser |
| KR102034244B1 (en) | 2017-09-01 | 2019-10-18 | 주식회사 코어파마 | System for selectively killing circulating tumor cell |
| KR102359900B1 (en) * | 2021-07-30 | 2022-02-09 | 동성제약주식회사 | Photo dynamic and sono dynamic therapy apparatus based on complex luminous source |
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| US4556057A (en) * | 1982-08-31 | 1985-12-03 | Hamamatsu Tv Co., Ltd. | Cancer diagnosis device utilizing laser beam pulses |
| KR910021147U (en) * | 1990-05-31 | 1991-12-20 | 삼성전자 주식회사 | High voltage supply circuit of laser driving device |
| WO1997031582A1 (en) * | 1996-02-29 | 1997-09-04 | Cytopharm, Inc. | A novel phototherapeutic method for treating cancer and/or dermatological diseases and conditions |
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| US6066129A (en) * | 1998-01-29 | 2000-05-23 | Larson; Dean W. | Medical laser control system |
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| US4724835A (en) * | 1984-03-06 | 1988-02-16 | Pain Suppression Labs, Inc. | Laser therapeutic device |
| US6646541B1 (en) * | 1996-06-24 | 2003-11-11 | Computer Motion, Inc. | General purpose distributed operating room control system |
| JPH08252246A (en) * | 1995-03-16 | 1996-10-01 | Advance Co Ltd | Living body measuring instrument |
| KR19990049482A (en) * | 1997-12-13 | 1999-07-05 | 조영근 | Malignant tumor treatment device using laser |
| JPH11244296A (en) * | 1998-02-27 | 1999-09-14 | Nidek Co Ltd | Laser therapeutic device |
| KR20010068744A (en) * | 2000-01-08 | 2001-07-23 | 박종윤 | Portable 808㎚ wave length laser instrument for medical treatment using high power semiconductor Laser Diode (InGaAsP). |
-
2000
- 2000-05-23 KR KR10-2000-0027600A patent/KR100406317B1/en active IP Right Grant
-
2001
- 2001-05-17 WO PCT/KR2001/000799 patent/WO2001089404A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4556057A (en) * | 1982-08-31 | 1985-12-03 | Hamamatsu Tv Co., Ltd. | Cancer diagnosis device utilizing laser beam pulses |
| KR910021147U (en) * | 1990-05-31 | 1991-12-20 | 삼성전자 주식회사 | High voltage supply circuit of laser driving device |
| US6033431A (en) * | 1992-04-24 | 2000-03-07 | Segal; Kim Robin | Diode laser irradiation system for biological tissue stimulation |
| WO1997031582A1 (en) * | 1996-02-29 | 1997-09-04 | Cytopharm, Inc. | A novel phototherapeutic method for treating cancer and/or dermatological diseases and conditions |
| US6066129A (en) * | 1998-01-29 | 2000-05-23 | Larson; Dean W. | Medical laser control system |
Also Published As
| Publication number | Publication date |
|---|---|
| KR100406317B1 (en) | 2003-11-22 |
| KR20010106697A (en) | 2001-12-07 |
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