KR20140120952A - Diode Laser Using Blood Sampling Device - Google Patents
Diode Laser Using Blood Sampling Device Download PDFInfo
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- KR20140120952A KR20140120952A KR1020130013128A KR20130013128A KR20140120952A KR 20140120952 A KR20140120952 A KR 20140120952A KR 1020130013128 A KR1020130013128 A KR 1020130013128A KR 20130013128 A KR20130013128 A KR 20130013128A KR 20140120952 A KR20140120952 A KR 20140120952A
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- 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
- A61B18/22—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 the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/14—Devices for taking samples of blood ; Measuring characteristics of blood in vivo, e.g. gas concentration within the blood, pH-value of blood
- A61B5/1405—Devices for taking blood samples
- A61B5/1411—Devices for taking blood samples by percutaneous method, e.g. by lancet
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
- A61B5/1477—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means non-invasive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/15—Devices for taking samples of blood
- A61B5/151—Devices specially adapted for taking samples of capillary blood, e.g. by lancets, needles or blades
- A61B5/15134—Bladeless capillary blood sampling devices, i.e. devices for perforating the skin in order to obtain a blood sample but not using a blade, needle, canula, or lancet, e.g. by laser perforation, suction or pressurized fluids
- A61B5/15136—Bladeless capillary blood sampling devices, i.e. devices for perforating the skin in order to obtain a blood sample but not using a blade, needle, canula, or lancet, e.g. by laser perforation, suction or pressurized fluids by use of radiation, e.g. laser
- A61B5/15138—Bladeless capillary blood sampling devices, i.e. devices for perforating the skin in order to obtain a blood sample but not using a blade, needle, canula, or lancet, e.g. by laser perforation, suction or pressurized fluids by use of radiation, e.g. laser provided with means to ensure the protection of the user, e.g. to avoid laser light entering the eyes of a user
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/12—Heads, e.g. forming of the optical beam spot or modulation of the optical beam
- G11B7/125—Optical beam sources therefor, e.g. laser control circuitry specially adapted for optical storage devices; Modulators, e.g. means for controlling the size or intensity of optical spots or optical traces
-
- 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
- A61B18/22—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 the beam being directed along or through a flexible conduit, e.g. an optical fibre; Couplings or hand-pieces therefor
- A61B2018/2205—Characteristics of fibres
- A61B2018/2211—Plurality of fibres
Abstract
In the present invention, a diode laser light source is applied to a non-contact laser non-contact blood collecting apparatus having a safety device. An internal stopper structure is adopted for the safety by external exposure of light, and it is tilted about 5 degrees at the end of the optical path to prevent the progress of light. To a noncontact laser blood collecting device for automatically placing a light safety device at an optical focal distance by pressing a blood collection device against skin tissue during blood collection.
Claim 1
And a focusing optical system for converging light irradiated from a scintillation source with a wavelength of 1.55 占 퐉 in the eye tissue to a perforated part of the eye Safty wavelength using a pulsed diode laser, wherein the consumable interchangeable lens is used Wherein the focusing optical system comprises a safety device for adjusting the depth of focus and preventing external exposure of the light source. ≪ RTI ID = 0.0 > 8. < / RTI >
Claim 2
The comparative non-contact laser perforation apparatus according to claim 1, wherein the pulsed diode laser skin piercing apparatus does not use a disposable exchange lens.
Claim 3
The non-contact type laser perforation apparatus according to claim 1, wherein an imaging optical system for focusing the light of the pulse type diode laser perforation apparatus is constituted, and the imaging optical system is capable of adjusting the depth of light and the focal distance.
Claim 4
The laser perforation apparatus according to claim 1, wherein a window for protecting the imaging optical system and preventing external contamination is formed in the pulsed diode laser perforation apparatus.
Claim 5
The optical device according to claim 1, wherein the pulsed diode laser piercing device is a light safety device for preventing a safety accident caused by external exposure of a laser, and includes a light stopper blocking the optical light path, Non-contact laser perforation device with focused optical and physical safety structure.
Description
The present invention relates to a non-contact type blood collecting apparatus using a laser, which can replace a blood sampling method using a needle-type Lancet used for blood glucose measurement.
The light source of the laser used in the present invention is a new light source that is not an Er: Yag laser generator used in a solid-state laser system, and a diode laser is used.
A light source using a diode laser needs an optical system that can act as an intermediate medium for light irradiation. Accordingly, the present invention constitutes an optical imaging system, and combines optical system design, parts processing, and coating technology.
An electronic circuit for regulating the energy output of the diode laser is constructed, and a variable resistance method and a constant current circuit are configured to provide quantitative output in energy steps.
The energy source of the present invention uses two methods.
The first is a battery type, and the second is an adapter type.
The present invention is a personal small non-contact type painless blood collecting apparatus, wherein the outer case is configured in two stages to control its size.
When collecting blood for a blood test, especially a small amount of blood, the incision is made directly into the skin tissue with a needle or a hole is made, and a blood collection device is a needle called a Lancet. In general diabetic patients, blood is drawn 2-3 times a day, but there is a possibility of pain, anxiety, hemorrhage, and bacterial infection at the time of blood collection. In particular, patients with chronic diabetes need to collect blood more than 5 times a day. Repeated use of lancets due to frequent blood draws also presents a risk of cross-infection. In addition, it is difficult to use the lancet which should be replaced every time the blood is collected, and after the blood collection, the sanitary treatment is difficult.
The commercially available non-contact type laser blood collecting device is an Er: Yag laser generating device, which is based on a resonator structure and is used as an optical system for generating a light source.
In the laser beam-collecting apparatus using the diode laser according to the present invention, a light source is generated when only a current value is applied, and an optical system capable of condensing a laser beam into skin tissues is required to constitute an imaging optical system according to characteristics of a divergent light source. The optical system has a structure that can be used over a certain period.
In addition, the Er: Yag laser generator is composed of an electronic circuit which regulates energy with a voltage value. The diode laser energy applied in the present invention is composed of an electronic circuit which adjusts the current value, And the format is different.
The wavelength of the laser generated in the Er: Yag laser generator is 2.94 μm, and the wavelength of the diode laser is 1.55 μm which is the wavelength of the eye safty.
The noncontact laser blood-collecting apparatus used in the present invention is constituted as a stand-alone type to replace the blood-collecting system of the lancet system by constituting only the blood collecting apparatus separately from the conventional integrated blood collecting and examining apparatus.
In the present invention, miniaturization is enabled for personal portable use, and the outer case constituting the laser is constituted by a two-stage to three-stage antenna (insertion, folding) or separately separated type.
The outer case of the outer case has a structure for ensuring safety such as ensuring the focal distance, external exposure of the laser, light loss, and interference.
The present invention relates to a non-contact type painless blood collecting apparatus using a diode laser, and more particularly, to a new non-contact type blood collecting apparatus using a diode laser, in which a light source device for performing noncontact blood collection, will be. Specifically, diode laser technology used in semiconductors and divergent light sources and optical system technology that efficiently converges divergent light sources are used to collect blood without pain from the skin. EYE SAFTY is a personal portable system using a 1.55 μm diode laser Contact non-contact blood collecting apparatus.
Generally, the Er: Yag laser generator used for laser blotting is composed of two mirrors, a crystal between the mirrors and a reflector, and a flash lamp that pumps the crystal. The optical system is composed of an optical system. And has difficulty in alignment with the optical amplifying device. In addition, the conventional Er: Yag laser generating apparatus has a poor adhesion between the skin, anxiety due to sound generated when a hole is pierced with a laser, anxiety due to smoke burning the skin, The Er: Yag painless blood collecting device and the blood glucose measuring device using the Er-Yag blood collecting device are commercially available. The disposable exchanging lens used in the laser painless blood collecting device Similar disadvantages such as difficulties in use and inconvenience of management and treatment due to replacement of existing needles have not been solved. In addition, difficult laser light alignment systems such as Er: Yag naturally have difficulties in production and high cost structures. In order to solve the above problems and to generalize a non-contact painless blood collecting apparatus, the present invention applies the most inexpensive diode laser as a light source among laser light sources. The diode laser used in the present invention is a commercially available non-contact analytical blood-light source system that can maximize the simplicity of production and efficiency of production as a commercially mass-produced light source. An imaging optical system for switching to a homogenized light source and concentrating light on the skin by using a linear or elliptical light source due to a difference in divergence angle along the vertical and horizontal axis of the diverging light source, which is a disadvantage of the diode laser, is a necessary constituent device.
The last optical component (optical window, lens) of the imaging optical system is configured so that it can be replaced when normal operation of the non-contact collection light source due to dust, foreign matter, breakage or the like is difficult.
The protective case of the outer case is composed of two stages. In the first stage case, a diode laser and an imaging optical system, an electronic part, a power part, a liquid crystal screen, a power switch, and a light amount adjusting device are configured.
In addition, the optical system applied to the noncontact blood collecting apparatus using a diode laser has a structure capable of miniaturization, further improving the ease of carrying.
The two-stage case is equipped with the most important light safety devices. The light source of the laser is efficiently transferred to the skin tissue and the light is safely controlled to prevent damage to the eye and damage to the skin due to the external exposure of the light energy or deliberate use during non-collection, A light safety device is constructed.
The two-stage case consists of three types.
The first is an insertion case external case, which is mounted inside the first case and pulled out during noncontact blood collection so as to be seated on the first case seating point.
The second is an insertion case, which is mounted inside the first stage case, and is rotated (left and right) during non-contact blood collection so as to be seated in the first stage case seating point.
The third is that the two-stage case, which is separated in a detachable manner, is inserted into the first-stage case seating point or is seated in the seating position in a screw-tight manner.
In order to solve the above-mentioned difficulties of producing a lancet blood collecting apparatus and an Er: Yag laser generating apparatus, a diode laser can be used as a light source to adjust a light energy to a current value.
In the present invention, the most inexpensive diode laser among the laser light sources is applied as a light source in order to generalize a laser non-contact painless blood collecting apparatus. The pulsed diode laser used in the present invention is a commercially available non-contact blood-collecting light source system that maximizes production efficiency and production efficiency as a mass-produced light source. The wavelength of the laser used in the present invention is 1.55 mu m which is the wavelength of Eye Safty. It is a prerequisite to construct an imaging optical system in order to switch to a uniformized light source and concentrate light on the skin by using a linear or elliptical light source due to the difference in divergence angle along the vertical and horizontal axes of the diverging light source which is a disadvantage of the diode laser.
The imaging optical system can be adjusted according to the divergence angle of the diode laser. Three methods are applied as a method for uniformizing and condensing the light source of the divergent light source of the diode laser in the imaging optical system.
The first method is as shown in Fig. 2, in which the entire imaging optical system is composed of a lens including an aspherical optical system.
The second method is as shown in Fig. 2, in which the difference between the vertical and horizontal divergence angles of the diode laser is aligned with the divergence angle using a prism and an optical system is constructed.
The third method is to construct an optical system at the end of the optical waveguide by constructing an optical waveguide in front of the divergent light source of the diode laser.
The optical waveguide can be configured in three forms.
The first is composed of an optical fiber bundle and can be configured as shown in FIG.
The second one is as shown in Fig. 5 in which a cylindrical waveguide, a rectangular waveguide, or a hexagonal waveguide is used.
Third, the mirror can be formed in the form of an ellipsoidal mirror in front of the divergent light source of the diode laser.
A case that protects the outer surface from the starting point of the diverging light source to the end of the non-contact diverging light source in order to apply the quantitative focal distance with securing the safety and the prevention of the external loss of the light source, Consists of.
The last optical component (optical window, lens) of the imaging optical system is configured so that it can be replaced when normal operation of the non-contact collection light source due to dust, foreign matter, breakage or the like is difficult.
The protective case of the outer case is composed of two stages. In the first stage case, a diode laser and an imaging optical system, an electronic part, a power part, a liquid crystal screen, a power switch, and a light amount adjusting device are configured.
The two-stage case consists of three types.
The first is an insertion case external case, which is mounted inside the first case and pulled out during noncontact blood collection so as to be seated on the first case seating point.
The second is an insertion case, which is mounted inside the first stage case, and is rotated (left and right) during non-contact blood collection so as to be seated in the first stage case seating point.
The third is that the two-stage case, which is separated in a detachable manner, is inserted into the first-stage case seating point or is seated in the seating position in a screw-tight manner.
One of the most important parts of the present invention is to safely control light to prevent eye damage and skin damage due to external exposure or deliberate use of light energy, .
To solve this problem, when the blood collecting device is connected to the skin and the pressure is applied, the light safety device is pushed and stopped at the position where the light source is focused. When the light safety device is pushed from the initial position to the optical focal distance, the inside is bent and aligned at an angle of about 5 degrees. At this time, the light source passing through the imaging optical system is focused by the light safety device so that the light condensing position is applied to the skin by applying the blood collecting device to the skin and the focal point is formed at a position where the blood inlet is no longer pushed. The light source deviates from the focal distance and is configured to diverge the light safety device to the light source.
In addition, when the diode laser blood collecting apparatus is operated while not collecting blood, the probe has a curved surface of about 5 degrees inside the probe, so that the light is not oscillated to the outside.
Although a laser sampling method has been developed, it is an expensive apparatus and can improve the stability of the laser light source. Existing laser is 400 ~ 500 microsecond long pulse type, but this product is 400 ~ 200ns, the laser irradiation time is much shorter, the damage to the skin and the skin contact area is less than 0.2mm, .
The light source employed in the conventional laser sampling method is a solid laser, and it has difficulty in downsizing and efficiency of production due to Er: Yag laser generator. However, the laser applied to the present invention is produced by using a diode laser widely used in commercial And the efficiency and marketability.
In addition, since the conventional blood sampling apparatus using a laser has a resonator-type laser generating apparatus and a collecting lens (exchange lens) for blood collection, it is inconvenient for an individual to carry it because of the large size of the blood collecting apparatus. In the present invention, a diode laser is used to simplify the size of a personal portable device, and an imaging optical system is used to amplify the light efficiency, and the use of a single-use consumable is limited by the use of an imaging optical system.
FIG. 1 is a perspective view of a liquid crystal display device according to an embodiment of the present invention. FIG. 1 is a perspective view of a liquid crystal display device according to an embodiment of the present invention. A light safety device is constructed. The optical system located in the interior of the invention and the enclosure surrounding the electronic circuit (including the battery) were treated with a curved surface to improve the grip of the hand.
FIG. 2 shows a built-in configuration of the present invention, which is composed of a diode laser, a stop-Iris, an image-forming optical system, a window, a light safety device, a battery, and an electronic circuit.
FIG. 3 shows a light safety device in which a light safety device shows movement at an optical focal distance during collection.
4 shows the structure of an optical system using an optical fiber waveguide.
5 shows the structure of an imaging optical system using the most general optical waveguide.
6 shows a configuration of an imaging optical system in which a divergence of divergent light of a diode laser in a prism shape can be realized in a short space.
The present invention relates to a non-contact type blood collecting apparatus using a diode laser, and a diode laser used as a scintillator of a solid state laser is applied as a new light source of a laser blood collecting apparatus. The Er: Yag laser generator has a wavelength band of 2.94 μm, which has a thermal effect when perforating the skin, but has a disadvantage that the pore size and energy density are low. Accordingly, the wavelength of the pulsed diode laser applied to the present invention is 1.55 mu m, and the safety and the skin puncture size can be 0.05 to 0.2 mm or less in the eye safty wavelength band. The depth of the skin puncture varies depending on the size of the stopper (IRIS) shown in FIG. 1, and the depth and the depth are 0.1 to 2 mm. The irradiation time of the light source of the commercialized laser blood collecting apparatus is 200 to 400 ns, which is much shorter than the irradiation time of the pulse diode laser. The optical system of the Er: Yag laser generator has a resonator structure, but a blood collecting device using a diode laser must form a focusing optical system to make a focus light source. It is a prerequisite to construct an imaging optical system in order to switch to a uniformized light source and concentrate light on the skin by using a linear or elliptical light source due to the difference in divergence angle along the vertical and horizontal axes of the diverging light source which is a disadvantage of the diode laser.
The imaging optical system can be adjusted according to the divergence angle of the diode laser. Three methods are applied as a method for uniformizing and condensing the light source of the divergent light source of the diode laser in the imaging optical system.
In the first method, the entire imaging optical system is composed of a lens including an aspherical optical system (FIG. 2).
In the second method, the difference in vertical and horizontal divergence angles of the diode laser is aligned to the divergence angle using a prism [FIG. 4] to constitute an imaging optical system.
In the third method, an optical waveguide (FIG. 5) is formed in front of a divergent light source of the diode laser to form an imaging optical system at the end of the optical waveguide.
The optical waveguide can be configured in three forms.
The first can consist of fiber bundles.
The second one is a cylindrical waveguide, a rectangular waveguide, or a hexagonal waveguide.
Third, the mirror can be formed in the form of an ellipsoidal mirror in front of the divergent light source of the diode laser.
A case that protects the outer surface from the starting point of the diverging light source to the end of the non-contact diverging light source in order to apply the quantitative focal distance with securing the safety and the prevention of the external loss of the light source, Consists of.
9p in the last optical component (optical window, lens) (FIG. 2) of the imaging optical system is configured so that it can be replaced when normal operation of the noncontact collecting light source due to dust, foreign matter, breakage or the like is difficult.
The protective case of the outer case is composed of two stages. In the first stage case, a diode laser and an imaging optical system, an electronic part, a power part, a liquid crystal screen, a power switch, and a light amount adjusting device are configured.
One of the most important parts of the present invention is to safely control light to prevent eye damage and skin damage due to external exposure or deliberate use of light energy, .
To solve this problem, when the blood collecting device is connected to the skin and the pressure is applied, the light safety device is pushed and stopped at the position where the light source is focused. When the light safety device is pushed from the initial position to the optical focal distance, the inside is bent and aligned at an angle of about 5 degrees. The light safety device puts pressure on the skin and presses the blood, Respectively.
In addition, even if the diode laser blood collecting apparatus is operated when blood is not collected, it has a 6-1p curve of about 5 degrees in the inside (Fig. 3), and a stopper [Fig. 3] 6-2p of 6-2p, so that the laser is not exposed to the outside or oscillated even if it is used for skin piercing purposes.
The two-stage case consists of three types.
The first is an insertion case external case, which is mounted inside the first case and pulled out during noncontact blood collection so as to be seated on the first case seating point.
The second is an insertion case, which is mounted inside the first stage case, and is rotated (left and right) during non-contact blood collection so as to be seated in the first stage case seating point.
The third is that the two-stage case, which is separated in a detachable manner, is inserted into the first-stage case seating point or is seated in the seating position in a screw-tight manner.
1e: Mode selection
2e: Regulator
3e: Power supply (battery, electronic circuit)
4e: LCD screen
5e: Oscillation switch
6p: Light safety device
6-1p: 5 degree curved surface
6-2p: 5-degree curvature optical focus stopper
6-3p: Light safety device support
7p: optical module
8p: imaging optical system
9p: Windows
10p: stopper (IRIS)
11l: Diode laser
12e: Battery (Power)
13e: Electronic circuit board
14e: optical fiber waveguide
15e: optical waveguide
16e: prism waveguide
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130013128A KR20140120952A (en) | 2013-02-06 | 2013-02-06 | Diode Laser Using Blood Sampling Device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020130013128A KR20140120952A (en) | 2013-02-06 | 2013-02-06 | Diode Laser Using Blood Sampling Device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20140120952A true KR20140120952A (en) | 2014-10-15 |
Family
ID=51992618
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| Application Number | Title | Priority Date | Filing Date |
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| KR1020130013128A KR20140120952A (en) | 2013-02-06 | 2013-02-06 | Diode Laser Using Blood Sampling Device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101667165B1 (en) * | 2015-10-21 | 2016-10-17 | 김대근 | Zoom handpiece for medical laser devices |
| CN108042144A (en) * | 2018-01-18 | 2018-05-18 | 山东瑞华同辉光电科技有限公司 | A kind of contactless portable laser blood-drawing device |
| KR102167105B1 (en) * | 2020-08-24 | 2020-10-19 | (주)블루코어컴퍼니 | Handpiece for laser irradiation device that induces light focusing on a uniform target |
-
2013
- 2013-02-06 KR KR1020130013128A patent/KR20140120952A/en unknown
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101667165B1 (en) * | 2015-10-21 | 2016-10-17 | 김대근 | Zoom handpiece for medical laser devices |
| CN108042144A (en) * | 2018-01-18 | 2018-05-18 | 山东瑞华同辉光电科技有限公司 | A kind of contactless portable laser blood-drawing device |
| KR102167105B1 (en) * | 2020-08-24 | 2020-10-19 | (주)블루코어컴퍼니 | Handpiece for laser irradiation device that induces light focusing on a uniform target |
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