KR200484320Y1 - Blood vessel search apparatus - Google Patents

Blood vessel search apparatus Download PDF

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Publication number
KR200484320Y1
KR200484320Y1 KR2020150007702U KR20150007702U KR200484320Y1 KR 200484320 Y1 KR200484320 Y1 KR 200484320Y1 KR 2020150007702 U KR2020150007702 U KR 2020150007702U KR 20150007702 U KR20150007702 U KR 20150007702U KR 200484320 Y1 KR200484320 Y1 KR 200484320Y1
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South Korea
Prior art keywords
blood vessel
pressing
skin area
main body
led package
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KR2020150007702U
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Korean (ko)
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KR20170001950U (en
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김용갑
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(주)레츠
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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
    • A61B5/48—Other medical applications
    • A61B5/4887—Locating particular structures in or on the body
    • A61B5/489—Blood vessels
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
    • A61B5/0077—Devices for viewing the surface of the body, e.g. camera, magnifying lens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/6802—Sensor mounted on worn items
    • A61B5/681—Wristwatch-type devices
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
    • A61B5/6801—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be attached to or worn on the body surface
    • A61B5/683—Means for maintaining contact with the body
    • A61B5/6831—Straps, bands or harnesses
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
    • A61B2562/02—Details of sensors specially adapted for in-vivo measurements

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medical Informatics (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Vascular Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Abstract

The present invention relates to a blood vessel searching apparatus, and more particularly, to a blood vessel searching apparatus that allows light emitted from an LED to be transmitted to a body to easily find blood vessels in the body.
According to the present invention, there is an advantage in that the position of the blood vessel can be accurately and easily found through the light emitted from the light irradiating unit after the blood vessel is expanded through the pressing unit, and the main pressing projection and the sub pressing projection The pressure of the surrounding skin area is increased to increase the expansion rate of the blood vessel, which is advantageous in that it is easier to find the blood vessel through the emitted light.
In addition, the blood vessel searching apparatus according to the present invention has an advantage that the path of the blood vessel can be accurately grasped through the auxiliary lens unit in the skin region to be searched.

Figure R2020150007702

Description

[0001] The present invention relates to a blood vessel search apparatus,

The present invention relates to a blood vessel searching apparatus, and more particularly, to a blood vessel searching apparatus that allows light emitted from an LED to be transmitted through a body to easily find blood vessels in the body.

In general, arteries are high blood pressure because they are the channels through which blood is ejected from the heart, while the blood pressure is relatively low because the veins are circulated and sucked back into the heart due to the pumping action of the heart. Therefore, when an artery is injured, the blood comes out as if the blood is spouting, but the vein is lower than the artery, so blood pressure is not so deep, and there is no serious bleeding. Normally, when injecting or drawing blood into a human body, the injection needle is pushed into the vein to find the vein, and the medicine is injected into the blood vessel of the occupational vessel, or the blood is drawn through the vein.

Conventionally, when injecting blood or drawing an injection to find a vein in a human body, a certain portion of the arm is bound by a rubber band and the vein protrudes outward. The injection needle is stuck in the vein, and an injection or blood is drawn. Therefore, conventionally, when a vein is searched, it is troublesome and uncomfortable to find a vein with mental stress and pressure on the body because the patient injects the blood or injects the blood while bundling the arm with the rubber band to protrude the vein.

In order to solve this problem, Korean Patent Registration No. 10-0834542 has proposed a vein measuring device for measuring vein using an electrode method. However, in this aggressive method, the reference potential at the electrode is kept constant It is difficult to easily find the position of the vein.

Korean Utility Model Registration No. 20-0176108: Vessel Search Device

It is an object of the present invention to provide a blood vessel searching apparatus using transmission illumination capable of accurately and easily finding the position of a blood vessel located in the body.

Another object of the present invention is to provide a blood vessel search device capable of accurately grasping the extent of change in the direction of the detected blood vessel.

According to an aspect of the present invention, there is provided a blood vessel searching apparatus comprising: a main body for pressing a peripheral skin region around a search target skin region for contacting a user's body to search for a blood vessel; A band portion coupled to the body portion to allow the body portion to be fixed to a user's body so as to press the peripheral skin region; A light irradiating unit installed in the main body so as to be positioned between the main body and the peripheral skin area and irradiating light into the skin of the peripheral skin area; And a lens unit vertically rotatably installed on the upper portion of the main body to enlarge and display the search target skin region, wherein the main body unit includes a portion extending to occupy the peripheral skin region, And an opening portion communicating with the penetrating portion is formed on one side of the first and second pressing portions. The first and second pressing portions extend in a direction wrapping the user's body from the pressing portion, And a second support portion.

Wherein the light irradiating unit comprises: an LED package having an LED chip array disposed along the annular shape of the pressing unit in the pressing unit and emitting light having a wavelength of 590 nanometers or 630 nanometers; And a power supply unit provided in the main body unit to supply power to the LED package, wherein the LED package includes a light source unit for emitting light from the LED package, It is preferable to tilt away from the penetrating portion.

A main pressing protrusion formed on a lower surface of the pressing portion so as to protrude downward along a periphery of the light irradiation portion to press the peripheral skin region; And a sub pressing projection formed on the outer side of the main pressing projection to protrude downward along the periphery of the main pressing projection to assist pressing of the peripheral skin area of the main pressing projection.

A pivotally coupled portion that is pivotally mounted on the pressing portion and extends upward with respect to the lens portion; and a pivotally coupled portion that is connected to an upper portion of the pivotally coupled portion and is located above the lens portion corresponding to the search target skin region, And an aspherical lens including a plurality of horizontal lines intersecting at regular intervals and a grid line intersecting at right angles with a vertical line so as to check a variation range of a direction of a blood vessel to be searched.

The light irradiation unit may include a skin contact detection sensor mounted on the main body to detect whether the peripheral skin area is in contact with the main skin and the peripheral skin area; And a controller connected to the body contact unit and controlling light emission of the LED package according to a signal sensed by the skin contact sensor.

According to the present invention, there is an advantage in that the position of the blood vessel can be accurately and easily found through the light emitted from the light irradiating unit after the blood vessel is expanded through the pressing unit, and the main pressing projection and the sub pressing projection The pressure of the surrounding skin area is increased to increase the expansion rate of the blood vessel, which is advantageous in that it is easier to find the blood vessel through the emitted light.

In addition, the blood vessel searching apparatus according to the present invention has an advantage in that the use of the injection needle can be relatively easy in the blood collection because the path of the blood vessel can be accurately grasped through the auxiliary lens unit in the skin region to be searched.

1 is a perspective view of a blood vessel searching apparatus according to a first embodiment of the present invention,
FIG. 2 is a bottom view of the blood vessel searching apparatus of FIG. 1,
FIG. 3 is a partial cross-sectional view of the light irradiation part of the blood vessel searching apparatus of FIG. 1,
FIG. 4 is a sectional view of a blood vessel searching apparatus according to a second embodiment of the present invention,
FIG. 5 is a perspective view of a blood vessel searching apparatus according to a third embodiment of the present invention,
FIG. 6 is a view showing blood vessels searched through the second lens unit of the blood vessel searching apparatus of FIG. 5;

Hereinafter, a blood vessel search device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 to 3 show a blood vessel searching apparatus 1 according to a first embodiment of the present invention. 1 to 3, the blood vessel searching apparatus 1 includes a main body 100, a band unit 200, a light irradiating unit 300, and a lens unit 400.

The main body part 100 is a part which contacts the user's body and presses the peripheral skin area b around the search target area a for searching for the blood vessel.

The region to be searched (a) refers to a certain region of the skin where the blood vessel is located when injecting a drug into the blood vessel through injection or drawing blood from the blood vessel. The peripheral skin area (b) means a certain area in the periphery which is a predetermined distance away from or adjacent to the search target skin area (a).

The main body 100 includes a pressing portion 110, a first supporting portion 120, and a second supporting portion 130.

The pressing portion 110 is a rectangular shape elongated to occupy the peripheral skin region b so as to directly press the peripheral region of the search target skin region a, that is, the peripheral skin region b. The pressing portion 110 presses the peripheral skin region b to expand the blood vessel in the skin region a to be searched and the LED package 100 of the light irradiation unit 300 310).

The pressing portion 110 includes a pressing body 111, a main pressing projection 115, and a transmitting member 117.

The pressurizing main body 111 is provided with a circular penetration portion 118 penetrating upward and downward in a portion corresponding to the skin region a of the detection subject skin and having an opening 119 communicating with the penetration portion 118 on one side, Respectively. The penetrating portion 118 is formed so that the inner circumferential surface 112 of the pressing body 111 is formed to have a curved surface with a vertical cross-sectional curvature, and has a smaller diameter from the top to the bottom. 3, the pressurizing main body 111 is formed upwardly from the lower surface to form an LED package mounting groove 114 into which the LED package 310 of the light irradiation unit 300 can be received and mounted . The LED package mounting groove 114 is formed in a circumferential direction so as to be located outside the through-hole 118. The inclined surface 113a having an inclination such that the inclined surface 113a is formed to be further away from the penetrating portion 118 toward the lower portion from the upper portion of the pressing body 111 is formed on the receiving surface 113 of the pressing body 111 formed by the LED package mounting groove 114 . The LED package 310 is mounted on the inclined surface 113a.

The transmission member 117 is mounted at the lower end of the LED package mounting groove 114 to seal the LED package mounting groove 114. The transmissive member 17 is formed of a transparent material capable of transmitting light so that the light emitted from the LED package 310 housed and mounted in the LED package mounting groove 114 is irradiated to the search target region a or the surrounding skin region b ). ≪ / RTI >

1 and 3, the main pressing protrusion 115 protrudes from the lower surface of the pressing body 111 to be located outside the light irradiation part 300 to be described later, and presses the peripheral skin area b . The main pressing protrusion 115 is formed in a ring shape protruding downward along the periphery of the light irradiating unit 300 at the lower surface of the pressing body 111, The lower end of the main pressing projection 115 protrudes downward with respect to the lower surface of the pressing portion 110 and the transmitting member 117. The main pressing projection 115 is a portion protruding from the pressing body 111 to reinforce the pressing of the peripheral skin area b.

The first support portion 120 and the second support portion 130 are connected to one end portion and the other end portion of the pressing portion 110 so as to extend in a direction wrapping the user's body from the pressing portion 110, 200 and a space is formed therein. A first operation button 350 for applying power from the power supply unit 330 of the light irradiation unit 300 to the LED package 310 is exposed on the upper surface of the first support unit 120. A second operation button 360 is disposed on the upper surface of the second support unit 130 and is connected to the power supply unit 330 so as to sequentially change the amount of light emitted from the LED package 310.

The band portion 200 is coupled to the body portion 100 to fix the body portion 100 to the user's body so as to press the peripheral skin region b. The band unit 200 includes a first band 210 connected to the rear end of the first support unit 120 and a second band 220 connected to the rear end of the second support unit 130.

The first and second band portions 210 and 220 extend from the rear end portions of the first and second support portions 120 and 130 to extend around the arm or leg of the user's body. The first and second band portions 210 and 220 are formed to be bent symmetrically about the main body 100. The first band 210 and the second band 220 are made of a material having elasticity so that an arm or a leg can be gripped regardless of the thickness of the user's arms or legs. That is, the band part 200 may be made of rubber or synthetic resin. The band part 200 according to the first embodiment of the present invention is provided with first and second bands 210 and 220 which are separated from each other. However, the first and second bands 210 and 220 may be formed to be connected to each other There is also.

The light irradiation unit 300 is a portion provided in the main body 100 to irradiate light into the peripheral skin region b so as to be positioned between the main body 100 and the peripheral skin region b. The light irradiation unit 300 includes an LED package 310, a power supply unit (not shown), first and second operation buttons 350 and 360, a skin contact detection sensor 370, and a control unit (not shown).

The LED package 310 is a portion provided in the pressing portion 110 contacting the peripheral skin area. The LED package 310 is installed along the annular shape of the pressing portion 110 and is configured to press the peripheral portion of the skin region b so that the pressing portion 110 ). That is, the LED package 310 is installed along the inclined surface 113a of the pressing body 111, and the light source emitted from the LED is irradiated downward corresponding to the search target skin area a. The LED package 310 is equipped with an LED chip array that emits light having a wavelength of 590 nanometers and a wavelength of 630 nanometers.

The power supply unit (not shown) is installed in the main body 100 and supplies power to the LED package 310. The power supply unit is connected to the LED package 310 and the first and second operation buttons 350 and 360 to supply power to the LED package 310 according to the operation of the first and second operation buttons 350 and 360 .

 The first operation button 350 is exposed to the upper surface of the first support part 120 and connected to the power supply part 330 to apply power to the LED package 310. The second operation button 360 is a part that is exposed to the upper surface of the second support part 130 and connected to the power supply part 330 to sequentially change the amount of light emitted from the LED package 310.

The skin contact detection sensor 370 is mounted on the lower surface of the pressing body 111 of the pressing part 110 and is positioned between the pressing part 110 and the peripheral skin area b, b) It is the part that detects contact.

The control unit (not shown) controls power supply to the LED package 310 from the power supply unit 330 according to the operation of the first operation button 350, Which controls the magnitude of the current. That is, the control unit increases the value of the current applied to the LED package 310 so that the amount of light emitted from the LED package 310 is gradually increased each time the second operation button 360 is pressed once, To reduce the value of the current applied to the LED package 310. [

The control unit is connected to the skin contact detection sensor 370 to control the light emission of the LED package according to a signal value sensed by the skin contact detection sensor 370. That is, if the signal value sensed by the skin contact detection sensor is equal to or greater than a set signal value, the controller applies power supply from the power supply unit to the LED package to cause the LED package 310 to emit light. And the light emission of the LED package is stopped.

The lens unit 400 is a part that is vertically rotatable on one side of the pressing unit to enlarge and show the search target skin area a. The convex lens 401 is applied to the lens unit 400 so that the blood vessel searched through the light irradiation unit 300 can be enlarged and viewed.

The blood vessel searching device according to the first embodiment of the present invention as described above will be described.

As shown in Fig. 1, the blood vessel searching device 1 is mounted so that the pressing portion 110 is in contact with the peripheral skin region b, which is a peripheral region of the search target skin region a. The peripheral skin area b is firstly pressed by the load of the pressing part 110 connected to the elastic band part 200 and is secondarily pressed by the main pressing protrusion 115 so that the search target skin area & do.

The first button unit 350 is operated to allow the power supply unit to supply power to the LED package 310 through the control unit. Power is supplied to the LED package 310 to emit light at wavelengths of 590 nanometers and 630 nanometers through the LEDs.

When an LED light source of a specific wavelength is penetrated deeply into the skin, the light is absorbed by the hemoglobin in the blood, thereby distinguishing it from the skin cell. Blocking the blood supply to the artery blocks OxyHb (oxyhemoglobin), which contains oxygen, and increases the amount of DeoxyHb (deoxyhemoglobin). Conversely, when the blocked blood is supplied, OxyHb (oxyhemoglobin) increases and returns to normal.

When hemoglobin is combined with oxygen, it becomes bright red, and when oxygen is lost, it becomes dark red. By using LED light source of specific wavelength, it is possible to select the position of blood vessel by the change of hemoglobin absorbance in the case where oxygen is sufficient or insufficient. can do. In other words, when passing through a bright red blood cell containing a large amount of oxygen in a specific wavelength range of an LED light source, it absorbs a lot of light of 590 nm. The intensity of light transmitted through this wavelength band is different from that of OxyHb and DeoxyHb The position of the blood vessel can be found by visually identifying the change in the absorbance of the blood vessel.

Here, the light of 630 nm wavelength is used to give a change of light absorbance to the skin when the skin is browned or the skin color is different than the general person.

According to the blood vessel searching apparatus 1 according to the first embodiment of the present invention, the position of the blood vessel can be accurately and easily found through the light emitted from the light irradiation unit after expanding the blood vessel through the pressing unit. Since the pressure of the peripheral skin region b is increased by the main pressing protrusion 115 of the main body 100, the blood vessel expansion rate is increased, which makes it easier to find the blood vessel through the emitted light.

4 is a cross-sectional view of the blood vessel searching device 2 according to the second embodiment of the present invention. The same reference numerals denote the same elements as those in the drawings.

The blood vessel searching device 2 according to the second embodiment of the present invention is formed to protrude downward along the periphery of the main pressing protrusion 115 from the outside of the main pressing protrusion 115 in the lower surface of the pressing portion 110, (116) for assisting the pressing of the peripheral skin area (b) of the skin area (115).

The sub pressing protrusion 116 is formed into a ring shape having a diameter larger than that of the main pressing protrusion 115, and the sectional area becomes narrower toward the lower side. The sub pressing protrusion 116 serves to press the peripheral skin area together with the main pressing protrusion 115 to prevent the pressing part from sliding in the peripheral skin area.

5 and 6 illustrate a blood vessel searching apparatus according to a third embodiment of the present invention. FIG. 5 is a perspective view of a blood vessel searching apparatus according to a third embodiment of the present invention, and FIG. 6 is a view showing blood vessels found in the second lens section of FIG.

The blood vessel searching device 3 according to the third embodiment of the present invention further includes the auxiliary lens unit 500 in the blood vessel searching device 1 according to the first embodiment of the present invention.

The auxiliary lens unit 500 is a part where the detected blood vessel can accurately grasp the change width of the advancing direction and the advancing direction within the search target skin area. The auxiliary lens unit 500 includes a pivot joint 510 and an aspherical lens 520.

The pivot joint portion 510 is a portion rotatably mounted on the upper portion of the pressing portion main body 111 and extending upward with respect to the lens portion 400. That is, one end of the pivoting coupling portion 510 is hinged to the pushing portion main body 111 and the other end is connected to the aspherical lens 520, which will be described later.

The aspherical lens 520 is an aspherical surface lens for reducing the spherical aberration and reducing the distortion of the image, so that the object to be observed can be clearly seen. The aspherical lens 520 is horizontal with respect to the convex lens 401 of the lens unit 400 and is positioned above the lens unit 400 corresponding to the search target skin area a and connected to the rotation coupling unit 510 do. The aspherical lens 520 is formed with a grid line 521 having a plurality of horizontal lines 521a at regular intervals and a plurality of vertical lines 521b perpendicular to the horizontal line 521a. The grid line 521 of the aspherical lens 520 allows the variation width of the traveling direction of the blood vessel 10 to be searched through the lens unit 400 to be confirmed. The blood vessel searching device 3 according to the third embodiment of the present invention has an advantage in that it can determine the injection direction of the injection needle relatively easily during blood collection by accurately grasping the direction of the blood vessel.

According to the blood vessel searching apparatus according to the present invention, the position of the blood vessel can be accurately and easily found through the light emitted from the light irradiation unit 300 after expanding the blood vessel through the pressing unit 110, The pressing force of the peripheral skin region b is increased by the main pressing projection 115 and the sub pressing projection 116 of the main body 100 so that the expansion rate of the blood vessel is increased so that it is easier to find the blood vessel through the emitted light There is an advantage.

In addition, the blood vessel searching apparatus according to the present invention has an advantage that the path of the blood vessel can be accurately grasped through the auxiliary lens unit in the skin region to be searched.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. It is understandable. Therefore, the scope of the true technical protection of the present invention should be determined by the technical idea of the appended claims.

1: blood vessel searching device
100: main body 110:
111: pressing body 115: main pressing projection
117: permeable member 118: penetrating member
119: opening 120: first support
130: second support part 200: band part
210: first band 220: second band
300: light irradiation part 310: LED package
350: first button portion 360: second button portion
370: Skin contact detection sensor 400: Lens part

Claims (5)

A main body part for pressing a peripheral skin area around a search target skin area for contacting a user's body to search for a blood vessel;
A band portion coupled to the body portion to allow the body portion to be fixed to a user's body so as to press the peripheral skin region;
A light irradiating unit installed in the main body so as to be positioned between the main body and the peripheral skin area and irradiating light into the skin of the peripheral skin area;
And a lens unit provided on the upper portion of the main body so as to be vertically rotatable to enlarge and display the search target skin area,
The main body
An annular pressing part formed so as to occupy the peripheral skin area and having a circular penetrating part penetrating up and down at a portion corresponding to the search target skin area and having an opening communicating with the penetrating part at one side; And first and second supporting portions extending in a direction to surround the user's body from the side of the band portion and coupled with the band portion. The light source unit according to claim 1,
An LED package provided along the annular shape of the pressing portion in the pressing portion and having an LED chip array emitting light having a wavelength of 590 nanometers or 630 nanometers;
And a power supply unit provided in the main body unit to supply power to the LED package,
The LED package
Wherein the light source emitted from the LED package is tilted away from the penetrating portion toward the lower portion so as to be irradiated downward corresponding to the search target skin region. The apparatus as claimed in claim 2, wherein the pressing portion
A main pressing projection protruding downward along a periphery of the light irradiation part on a lower surface to press the peripheral skin area;
And a sub pressing projection formed on the outer side of the main pressing projection and protruding downward along the periphery of the main pressing projection to assist pressing of the peripheral skin area of the main pressing projection. The method according to claim 1,
A pivotally coupled portion that is pivotally mounted on the pressing portion and extends upward with respect to the lens portion; and a pivotally coupled portion that is connected to an upper portion of the pivotally coupled portion and is located above the lens portion corresponding to the search target skin region, And an auxiliary lens unit including an aspherical lens having a plurality of horizontal lines intersecting at regular intervals and a grid line intersecting with a vertical line at right angles so that the width of the direction of the blood vessel to be detected can be checked. Device. [3] The apparatus according to claim 2,
A skin contact detection sensor mounted on the main body so as to be positioned between the main body and the peripheral skin area and detecting whether the peripheral skin area is in contact;
Further comprising a control unit installed in the main body and connected to the skin contact detection sensor and controlling light emission of the LED package according to a signal sensed by the skin contact detection sensor.
KR2020150007702U 2015-11-25 2015-11-25 Blood vessel search apparatus KR200484320Y1 (en)

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KR200484320Y1 true KR200484320Y1 (en) 2017-08-25

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014528749A (en) 2011-08-01 2014-10-30 インフラレッド イメージング システムス，インク．ＩｎｆｒａＲｅｄ Ｉｍａｇｉｎｇ Ｓｙｓｔｅｍｓ， Ｉｎｃ． Disposable light source for improved visualization of subcutaneous tissue

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200176108Y1 (en) 1999-09-01 2000-03-15 협성전자주식회사 Blood vessel search device
KR101506707B1 (en) * 2013-05-20 2015-03-30 (주)레츠 Blood vessel searching device with the transillumination

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014528749A (en) 2011-08-01 2014-10-30 インフラレッド イメージング システムス，インク．ＩｎｆｒａＲｅｄ Ｉｍａｇｉｎｇ Ｓｙｓｔｅｍｓ， Ｉｎｃ． Disposable light source for improved visualization of subcutaneous tissue

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