WO2019107607A1 - Dispositif de refroidissement et son procédé - Google Patents

Dispositif de refroidissement et son procédé Download PDF

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Publication number
WO2019107607A1
WO2019107607A1 PCT/KR2017/013901 KR2017013901W WO2019107607A1 WO 2019107607 A1 WO2019107607 A1 WO 2019107607A1 KR 2017013901 W KR2017013901 W KR 2017013901W WO 2019107607 A1 WO2019107607 A1 WO 2019107607A1
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WIPO (PCT)
Prior art keywords
cooling
tip
heat
end portion
air
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/KR2017/013901
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English (en)
Korean (ko)
Inventor
김건호
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Recensmedical Inc
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Recensmedical Inc
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Publication date
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Priority to PCT/KR2017/013901 priority Critical patent/WO2019107607A1/fr
Publication of WO2019107607A1 publication Critical patent/WO2019107607A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • A61B18/02—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by cooling, e.g. cryogenic techniques
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F7/00—Heating or cooling appliances for medical or therapeutic treatment of the human body
    • A61F7/02—Compresses or poultices for effecting heating or cooling
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting in contact-lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/007—Methods or devices for eye surgery

Definitions

  • the present invention relates to an apparatus and a method for rapidly producing an anesthetic or a painless state through rapid cooling using a thermoelectric cooling device using a Peltier effect in direct contact with mucosal skin or living tissue of an eye.
  • Anesthesiologists at the time of anesthesia have some considerations different from the anesthetic management at other sites, and since anesthesia care itself may determine the success of ophthalmic surgery, There is a difficulty in understanding the systemic action by diseases or ophthalmologically treated drugs and the interaction of such drugs with anesthetic agents.
  • IVT Intravitreal injection
  • the present invention has been made in order to solve the problems of the prior art as described above, and it is an object of the present invention to provide an apparatus and a method for determining a center of gravity in a region corresponding to 40 to 80% Characterized in that the gripping portion is constituted so as to include a gripping portion which is easily gripped by a user so as to be easily manipulated so that the center of gravity of the product is associated with the gripping portion, And the like.
  • a cooling anesthesia apparatus having a structure capable of treating a patient while preventing contamination or transmission by an apparatus through a disposable tip that can be mounted and detached.
  • a cooling anesthesia apparatus characterized by having a structure capable of stably operating the apparatus while rapidly or rapidly cooling anesthesia through an air flow structure considering effective heat dissipation We will propose.
  • a proximal end portion 210 provided with a cooling medium 310 for cooling a target region through thermal coupling with a detachable cooling tip 10, And a body portion 20 formed of a distal end portion 220 formed at the other end of the body portion 20.
  • the body center portion of the body portion 20 is located at the proximal end portion 210, And a grip unit 230 for easily operating the user at a predetermined position.
  • the grip portion 230 is positioned corresponding to the center-of-gravity region, and the center-of-gravity region corresponds to 40% to 80% of the length of the body portion 20 with respect to the end of the distal end portion 220
  • the center of gravity of the grip portion 230 is positioned at a position corresponding to the center of gravity of the grip portion 230, .
  • a stopper 231 protruding from the proximal end portion 210 of the grip portion 230 by a predetermined height and guiding a user's gripping position is formed on the grip portion 230,
  • a seating groove 232 formed in a shape corresponding to a predetermined depth by a predetermined depth may be formed at a portion where a user's finger to be held is in contact with.
  • a cooling medium 310 extending from the body 20 to the outside in a direction of the proximal end 210 by a predetermined length;
  • a plurality of containers 340 may be provided between the cooling medium 310 and the heat dissipating unit 330 to provide a seating space for the thermoelectric elements. 310, and a coupling guide portion 341 is formed in which the cooling medium is inserted and seated at a predetermined depth.
  • a cooling apparatus for a cooling apparatus including: a cooling unit having a cooling medium for cooling a target region;
  • the heat dissipating unit 330 includes a proximal end 210 including the heat dissipating unit 330 and a body part 20 formed by the distal end 220 formed at the other end of the heat dissipating unit 330, And a cooling fan 332 for generating an active air flow in the cooling fan 331.
  • a predetermined area of the proximal end portion 210 corresponding to the region where the cooling fan 332 is provided is provided with a suction port And a radiating opening 221 for radiating air to the outside and an air flow cycle for sucking and discharging air in a predetermined region of the body portion 20 may be provided.
  • passive air flow moving in the opposite direction of the gravitational force of the heat absorbed air can be used with the active air flow by the cooling fan 332 when the user grasps and is used in a predetermined angular range with respect to the horizontal.
  • the inlet 211 is formed in the front end region of the heat dissipating unit 320 and the heat dissipating unit 221 is formed in the rear end area of the cooling fan 332.
  • the air flow discharged to the outlet may include a first air flow directly discharged from the cooling fan 332 and a second air flow reflected to the partition wall 240.
  • At least one of the suction port 211 and the discharge port of the body 20 is formed in a region having a predetermined inclination angle and the suction port 211 is upwardly moved from the cooling tip 10 toward the stopper 231 And the heat discharging opening 221 may be formed to be inclined downward toward the distal end 220 side of the grip portion 230.
  • the air flow between the intake port 211 and the heat dissipation port 221 passes through the cooling fin of the heat sink provided in the main body and the time for passing the cooling fin passes through the intake port 211, Can be different.
  • the control unit 500 may further include a cooling fan 332 for controlling the air flow to be discharged to the side of the heat sink unit 221.
  • the air flow in the air inlet 211 and the heat sink unit 330 may not be parallel.
  • a method of manufacturing a semiconductor device comprising: a detachable cooling tip (10) for cooling the target area through contact with a target area; And a coupling member (120) for mounting the cooling tip (10) to a cooling device, wherein the cooling tip (10) is thermally coupled to the cooling medium (310)
  • a cooling device for coupling can be provided.
  • the potential coupling may have a potential corresponding to a potential of one of the thermoelectric elements in which the potential of the cooling tip 10 contacts the cooling medium 310 and the cooling medium 310, And the cooling medium 310 may be grounded via the potential coupling.
  • the tip case is provided with an electric circuit for determining whether or not the cooling tip 10 is to be reused, and the electric circuit 511 is electrically connected with the electric circuit Can be opened.
  • the reuse alarm unit 540 may further include a reuse alarm unit 540 for signaling whether the cooling tip 10 is reused or not, and the reuse alarm unit 540 may display the reuse information Information can be signaled.
  • the reuse judging unit 510 judges whether the electrical connection is to be reused or not, and the reuse preventing unit 530 for restricting the use of the apparatus in a predetermined manner when reuse is performed. , It may further include an electric circuit opening portion 520 for opening the electric circuit for preventing reuse.
  • the coupling member 120 of the tip case is coupled using one of a button type and a screw type.
  • the cooling tip case 110 is provided with a predetermined shape (not shown) so as to be thermally coupled by an elastic member 130 that provides an elastic force in a direction opposite to the direction of attachment of the device, A grip portion 111 of the grip portion 111 may be formed.
  • the patient's waiting and the hospital load due to the slow anesthesia procedure required for the conventional ophthalmic anesthesia procedure are dramatically solved, and the patient's psychological burden And pain can be reduced dramatically.
  • the cooling anesthesia can be stably held and the patient can be treated through the structure considering the ergonomics and the center of gravity.
  • the patient can be treated while preventing contamination or transmission by the device through a disposable replaceable tip that is mountable and detachable.
  • the apparatus can be stably operated at high speed or rapid cooling through an air flow structure considering effective heat dissipation.
  • FIGS. 1A to 1H are a diagram showing the entire configuration and individual configurations of an eye cooling anesthesia apparatus according to an embodiment of the present invention.
  • FIGS. 2A to 2F are views showing an air flow and a heat dissipation structure of a heat source generated in a cooling anesthesia apparatus body according to an embodiment of the present invention.
  • 3A to 3H are views showing the structure of the tip cover and the inner engaging member of the cooling anesthesia apparatus according to the embodiment of the present invention.
  • Cooling tip 20 Body part
  • Cooling Control Unit 211 Inlet
  • Electric circuit 510 Reuse judgment unit
  • Figs. 1A to 1H are views showing the overall configuration and the respective individual configurations of the cooling apparatus according to the embodiment of the present invention.
  • the cooling device is configured to be able to provide fast and safe anesthesia on the ocular surface to aid in intraocular injection or other medical procedures related to the eye.
  • the cooling apparatus and method according to the embodiment of the present invention will be described with reference to the ocular surgery, but it goes without saying that the present invention is applicable to other cooling apparatuses and methods.
  • FIG. 1A and FIG. 1B are diagrams showing an overall configuration according to a preferred embodiment of the present invention.
  • a cooling anesthetic device includes a proximal end portion 210 provided with a cooling medium 310 to be thermally coupled with a removable cooling tip 10 to be directly contacted with a target for cooling, And a body portion 20 formed of a distal end portion 220 formed at the other end of the body portion 20.
  • the center of gravity region of the body portion 20 is located adjacent to the proximal end portion 210, And a grip portion 230 for facilitating the operation at a predetermined position.
  • the one end of the detachable cooling tip 10 is physically contacted with the detachable cooling tip 10 and extends to the distal end 220 side so as to be physically contacted with one side of the thermoelectric element 10,
  • a cooling medium 310 made of a thermally conductive material is provided.
  • the cooling medium 310 may be referred to as a cooling rod, a cooling arm, or the like.
  • thermoelectric cooling unit 320 A heat sink for dissipating heat generated in the thermoelectric cooling unit 320 and the thermoelectric cooling unit 320 around the cooling medium 310 in the internal space of the body; And a cooling control unit 250 for discharging the cooling water.
  • a heat sink, a cooling medium 310, a Peltier element, a disposable tip cover (containing a cooling contact medium), a cooling fan 332, and the like are disposed in the front part.
  • a board and a battery 400 may be disposed in the second half.
  • the present invention has one feature in that it is portable.
  • the portable function implies that the user can easily operate the invention with the user's hand.
  • the grip portion 230 is placed in the front half portion like a writing instrument (pencil or ballpoint pen) to naturally induce and support a stable grip.
  • the weight of the internal parts located in the latter half is designed to arrange the parts with less than 50% of the total invention weight.
  • the cooling function which is an important function of the product, functions by utilizing the heat endothermic phenomenon occurring on each side of the Peltier element. And the heat sink is in contact with the heat sink and the heat absorbing portion is in contact with the cooling medium 310.
  • the cooling conducting contact again contacts the cooling medium (310) in contact with the heat absorbing portion.
  • the contact area is constant, if the distance between the cooling contact surface and the Peltier element heat absorbing surface, that is, the length of the cooling medium 310, is long, heat loss occurs in terms of heat transfer.
  • the distance between the cooling contact surface and the heat engine should be close and should be located in the first half. Therefore, the front half portion where the grip portion 230 is located naturally includes the center-of-gravity region.
  • the grip portion 230 is provided at a position corresponding to 65% to 95% of the length of the body portion 20 with respect to the distal end portion 220.
  • the grip portion 230 is provided to be positioned in the center of gravity region of the body portion 20 so that the user can easily operate the grip portion.
  • the body is formed to extend by a predetermined length, and is formed in a shape such as a pencil which the user grasps and is easy to handle, and the shape of the cross section is circular, oval or polygonal, And the like.
  • a detachable cooling tip 10 which is in direct contact with a target, is coupled to one end of the body 20.
  • an end portion of the body main body 20 which engages with the cooling tip 10 is defined as a proximal end portion 210, and the other end portion is referred to as a distal end portion 220.
  • the proximal portion 210 is directed toward the target region for anesthesia or the like of the patient, and the distal end portion 220 is provided at a position facing upward from the ground at a predetermined angle.
  • the grip portion 230 is formed at a position biased toward the proximal portion 210, and is formed at a position where the user grips the grip portion 230 and is easy to operate. And a stopper 231 protruding from the proximal end 210 of the grip 230 by a predetermined height and guiding a user's gripping position is formed.
  • the stopper 231 is formed at a position nearer to the proximal end 210 of the grip unit 230 so that the position of the user's finger is set toward the proximal end 210 of the grip unit 230 when the user grips the stopper 231 It also plays a role of fixing. Due to the configuration of the stopper 231, it is possible to stably maintain the gripped state of the user at the time of a work such as a detailed medical treatment or the like.
  • the stopper 231 is formed somewhat higher than the outer diameter of the outer circumferential surface of the body 20, and the shape thereof can be variously embodied. It is preferable that the position and shape of the stopper 231 are also determined in conjunction with the shape and position of the seating groove 232 formed to correspond to the shape of the finger that the user touches when gripping the user to be described later.
  • the grip portion 230 is formed with a seating groove 232 formed at an obtuse angle corresponding to the shape of a finger that the user touches for gripping.
  • the seating groove 232 is formed at one or more positions on the outer circumferential surface of the body and is formed in a shape corresponding to the shape of the user's finger contacting the outer circumferential surface of the body at the time of gripping.
  • the grip 230 is formed on the outer circumferential surface of the body in a shape corresponding to the shape of the portion where the user touches the thumb, So that the stable gripping state of the user is maintained.
  • the grip unit 230 may be configured to be detachable for the user to selectively adjust the position.
  • 1C is a view showing a position and a structure of a center-of-gravity region according to a preferred embodiment of the present invention.
  • the center of gravity region may include a cooling unit 320, a heat dissipation unit 330, and the like.
  • the cooling unit 320 includes a cooling medium 310 extending from the body 20 to the outside of the proximal end 210 by a predetermined length, a thermoelectric element for cooling the cooling medium 310, . Further, a heat dissipating unit 330 for dissipating heat generated in the cooling unit 320 is provided.
  • the thermoelectric cooling unit is also referred to as a cooling unit 320, and will be used in combination for convenience of explanation.
  • the container 340 is further provided between the cooling medium 310 and the heat dissipating unit 330 to provide a seating space for the thermoelectric element. And a coupling guide part 341 provided in a shape corresponding to the shape of the outer surface and in which the cooling medium 310 is inserted and seated at a predetermined depth.
  • the container 340 may be composed of a plurality of separation units, and a coupling guide 341 is formed on one side of the container 340 to accommodate the thermoelectric elements,
  • the container 340 is provided with a guide unit to which the separating unit is coupled to allow the cooling rod to be seated, and allows the thermoelectric element, the cooling rod, and the heat radiating unit to be thermally and mechanically coupled.
  • the center-of-gravity region includes the center of gravity of the cooling apparatus, and includes the region of 40% to 80% of the length of the body portion 20, % ≪ / RTI >
  • a grip portion 230 provided in the center of gravity for gripping by a user to easily operate the grip portion 230.
  • the center of gravity of the product is associated with the grip portion 230,
  • a cooling assist device for cooling an anesthetic device is provided.
  • the center of gravity is in the range of 40% to 80% of the overall length of the body with respect to the distal end 220 to enable the user to grasp and facilitate handling.
  • the grip portion 230 is provided so as to correspond to a region corresponding to ⁇ 10% in the lengthwise direction from the center of gravity of the entire product for ease of operation at the time of gripping.
  • the grip portion 230 may be provided in the center-of-gravity region and may overlap with the center-of-gravity region so that the user can precisely manipulate the product.
  • the center-of-gravity region extends from a position corresponding to 65% of the entire length of the body with respect to the distal end portion 220 to a position corresponding to 90%.
  • the grip portion 230 may be provided in the center of gravity region or may be ergonomically provided outside the center of gravity region in consideration of gripping
  • FIG. 1D is a view showing a configuration of a gripper 230 according to a preferred embodiment of the present invention.
  • the user grasps the body by hand as if using a writing instrument. That is, the grip portion 230 is gripped by using the thumb, the index finger, and the stopper, and is used by operating the target region such as the eyeball of the patient within the angular range of approximately 45 degrees in the leftward and rightward directions with reference to the vertical axis of the paper.
  • a stopper 231 protruding from the proximal end portion 210 of the grip portion 230 by a predetermined height and guiding a user's gripping position is provided at one or more positions.
  • the stopper 231 prevents the finger held by the user in the direction of the removable cooling tip 10 from being pushed down to the cooling tip 10 during the operation so as to prevent a problem that is hindered by the treatment action, So that a stable gripping state of the gripper can be maintained.
  • the grip portion 230 has a seating groove 232 corresponding to the shape of a finger that the user touches when gripping and is formed at a predetermined depth by a predetermined depth on the outer circumferential surface of the body.
  • a pair of containers 340 are symmetrically positioned with respect to the longitudinal direction of the cooling medium 310, and they are maintained in close contact with each other by bolt-nut coupling.
  • a phage barricade that is, a protruding groove or a stopper 231 is formed on the tip case 110 from the contact area between the tip case 110 and the case of the body part 20 to about 10 to 3 mm At two or more positions in a spaced apart position.
  • the grip 230 supports the user's finger in a direction opposite to the direction of the force applied by the cooling tip 10 to the treatment area so that the cooling tip 10 can stably contact the treatment area .
  • FIGS. 1E to 1H are views showing the configuration of a cooling unit 320 according to a preferred embodiment of the present invention.
  • the center-of-gravity region is provided with a cooling medium 310 extending from the body 20 by a predetermined length to the end of the proximal portion 210.
  • a cooling medium 310 extending from the body 20 to the outside of the proximal end 210 by a predetermined length and a cooling medium 310 cooling the cooling medium 310 and the cooling medium 310, A heat sink unit for dissipating heat generated in the thermoelectric cooling unit 320, and the like.
  • thermoelectric element refers to a device that generates a peltier effect that absorbs heat on one side according to the direction of current when a direct current is applied to both ends of two different elements and generates heat on the other side. In general, it is also referred to as a Peltier element.
  • the Peltier effect is an effect of generating a temperature difference at the same time when a potential difference is given by an effect opposite to that of the seekbeck effect, both of which generate heat and endothermic phenomenon simultaneously.
  • the heat absorbing surface of the thermoelectric element that is, the surface to be cooled, thermally couples with the cooling medium 310. That is, the cooling heat is transferred to the cooling medium 310 through the surface contact.
  • thermoelectric element radiates heat to the outside through a plurality of cooling fins formed in the heat sink through thermal coupling with the heat sink.
  • the coupling structure and the order are configured to thermally couple the cooling medium 310, the cooling surface of the thermoelectric element, and the heat-generating surface of the thermoelectric element in order of heat sink. At this time, more than 30% of the total weight of the product can be concentrated in the center of gravity region.
  • the far end 220 is provided with a battery 400 for supplying electricity and a control unit 500 for controlling the operation and operation of the product.
  • the control unit 500 is also referred to as a control unit, and will be used in combination for convenience of explanation.
  • the control unit 500 and the battery 400 are spatially and thermally isolated and shielded from the components provided in the center of gravity region through the barrier ribs 240. At this time, when the battery 400 is provided in the distal end portion 220, more than 20% of the total weight is concentrated in the center of gravity region of the grip portion 230.
  • the weight of the distal end portion 220 is 50% or less of the weight of the body portion 20.
  • the container 340 is formed with a thermoelectric element coupling guide portion 341 formed to correspond to the width of the cooling medium 310 in the longitudinal direction and in which the cooling medium 310 is inserted and seated at a predetermined depth, do.
  • thermoelectric element and the heat sink mounted on the container 340 can stably maintain a physical contact state with the cooling medium 310.
  • the cooling surface of the thermoelectric element is in contact with the thermoelectric element on the basis of the cooling medium 310, and the heat sink is coupled to the heat generating surface of the thermoelectric element through surface contact.
  • a pair of containers 340 are symmetrically positioned with respect to the longitudinal direction of the cooling medium 310, and the container 340 is maintained in close contact with each other by bolt-nut coupling.
  • a cooling medium 310 for heat-transferring the cooling heat generated in the thermoelectric cooling unit 320 to the detachable cooling tip 10 is interposed between the thermoelectric cooling unit 320 and the detachable cooling tip 10 And the cooling medium 310 is provided so that the thermoelectric cooling part 320 and the removable cooling tip 10 are in physical contact with each other.
  • the body includes a proximal portion 210 having a detachable cooling tip 10 extending in a predetermined length so as to allow the user to grasp and manipulate the detachable cooling tip 10 in direct contact with the target region and a proximal portion 210 220, respectively.
  • the proximal end portion 210 of the body is provided with a detachable cooling tip 10, and is thermally coupled to the thermoelectric cooling portion 320 to be in direct contact with a target portion such as a patient's eyeball.
  • the cooling medium 310 is physically contacted with one end of the detachable cooling tip 10 and extends toward the distal end 220.
  • the cooling medium 310 may be formed in a shape of a rectangle extending in a predetermined length, a shape of a cylinder, a plate having a predetermined length, or a variety of shapes. In the embodiment of the present invention, a rectangle extending by a predetermined length will be described as a reference.
  • the cooling medium 310 may be referred to as a cooling rod, a cooling arm, or the like.
  • thermoelectric cooling part 320 A cooling surface of the thermoelectric cooling part 320 is physically brought into contact with the outer surface of the cooling medium 310 to conduct cooling heat.
  • a heat sink is physically brought into contact with the heat generating surface of the thermoelectric cooling part 320 Respectively.
  • thermoelectric cooling unit 320 and the heat sink are physically and parallelly in contact with each other in order to symmetrically bidirectionally with respect to the longitudinal direction of the cooling medium 310.
  • a container 340 is provided between the thermoelectric cooling unit 320 and the heat sink to provide a seating space having a corresponding shape in the shape of the thermoelectric cooling unit 320 and the heat sink.
  • a pair of containers 340 are symmetrically positioned with respect to the cooling medium 310 so that the thermoelectric cooling unit 320 and the heat sink are positioned at a predetermined position through a bolt- Respectively.
  • thermoelectric cooling part 320 seating part which is fixed in a position of the thermoelectric cooling part 320 and formed in a shape corresponding to the external shape of the thermoelectric cooling part 320.
  • a heat sink seating portion on which the heat sink is mounted is formed.
  • the seating portion of the heat sink includes a seating space formed in a shape corresponding to the shape of the heat sink and a partition wall 240 for preventing a flow of the outer circumference of the heat sink.
  • thermoelectric cooling unit 320 and the heat sink are positioned in the container 340, the heat generating unit of the thermoelectric cooling unit 320 and the heat sink physically contact each other to conduct heat conduction .
  • the container 340 is formed with a coupling guide portion 341 formed to correspond to the width of the cooling medium 310 in the longitudinal direction and to be inserted into the cooling medium 310 by a predetermined depth.
  • thermoelectric cooling unit 320 mounted on the container 340 and the heat sink can stably maintain a physical contact state with the cooling medium 310.
  • the cooling surface of the thermoelectric cooling part 320 is in contact with the thermoelectric cooling part 320 with respect to the cooling medium 310 and the heat sink is connected to the heat generating surface of the thermoelectric cooling part 320 through the surface contact, .
  • the container 340 may be made of a material having a low thermal conductivity, and serves to insulate the cooling medium 310 and the heat sink.
  • FIGS. 2A to 2F are views showing an air flow and a heat dissipation structure of a heat source generated in a cooling anesthesia apparatus body according to an embodiment of the present invention.
  • FIGS. 2A and 2B are views showing an air flow according to a preferred embodiment of the present invention and a configuration therefor.
  • the disposable tip case 110 located at the front half of the product for air flow control and the air inlet 211 located at the coupling of the tip case 110 (the inlet 211 is a circular, Is shown in FIG.
  • air containing heat is emitted through the air outlet located behind the fan for air flow control from the first half to the second half.
  • the inlet 211 is formed in the front end region of the thermoelectric cooling unit 320 having the heat radiating fin 331.
  • the heat radiating hole 221 is formed in the cooling control unit including the cooling fan 332 and the motor 250).
  • the cooling control unit 250 performs a function of forcibly dissipating a heat source generated in the heat dissipating unit 330 or the like through driving of the motor according to a control command of the controller 500.
  • the air inlet 211 and the air outlet 221 are formed at the proximal end 210 and the distal end 220 of the body 20 and allow the outside air to flow into the body 20. And serves as an outlet for dissipating the internal heat source to the outside.
  • Either one of the inlet 211 and the outlet 221 may be formed at a position that tilts the body 20.
  • the outline of the body part 20 is formed at a predetermined position of the proximal end part 210 at an end of the removable cooling tip 10, that is, up to a stopper 231 provided at one side of the grip part 230 And has a substantially horizontal cross-section at the grip portion 230 and the center-of-gravity region.
  • the inlet 211 is formed in the upward inclined end face of the proximal end 210. And may have a plurality of through holes having a predetermined outer diameter in the shape of the inlet 211.
  • the suction port 211 may be radially formed on the outer circumferential surface of the body 20 in the form of a long hole in the longitudinal direction of the body 20.
  • the inlet 211 may be formed in a ring shape having a predetermined distance in the circumferential direction on the outer circumferential surface of the body 20.
  • the inlet 211 may have various shapes. Also, the shape of the heat dissipation port 221 and the shape of the intake port 211 can be applied.
  • the intake port 211 and the heat dissipation port 221 located at the inclined portion are formed to have a structure capable of facilitating the inflow of air into the thermoelectric cooling unit 320 and the heat source generated in the thermoelectric cooling unit 320, Lt; / RTI >
  • a suction port 211 for guiding external air is provided at one side of the grip portion 230, and a suction port 211 for guiding the suction of the external air is provided at one side of the grip portion 230.
  • a heat discharging opening 221 for discharging the inside heat source to the outside at a predetermined distance In correspondence with the distance passed through the heat radiating portion 330 and the cooling fan 332 And a heat discharging opening 221 for discharging the inside heat source to the outside at a predetermined distance.
  • the shape of the inlet 211 and the heat discharging hole 221 may be a plurality of circular holes, a long hole or a variety of shapes.
  • the suction port 211 is formed between the grip portion 230 and the detachable cooling tip 10 and the heat dissipation port 221 is formed at the other edge portion of the grip portion 230.
  • the heat source radiating through the heat sink provided inside the body is higher than the surrounding air temperature, And moves toward the heat radiating port 221 side to radiate heat, and air in the room flows into the side of the air inlet 211 to naturally cool.
  • Figures 2c and 2d illustrate an internal configuration corresponding to an internal air flow according to a preferred embodiment of the present invention
  • the cooling flow path between the inlet 211 and the heat dissipating port 221 is configured to pass through a plurality of cooling fins formed on the outer surface of the heat sink provided in the body.
  • Airflow within the product has a significant effect on the endothermic function.
  • the endothermic phenomenon occurs between the heat radiation surface of the Peltier element and the heat sink.
  • Heat dissipation occurs between the heat sink and the airflow.
  • the directionality and structure of the air flow pass through the fins of the heat sink and can efficiently dissipate heat.
  • this is related to the speed of air passing between the pins of the heat sink. From the viewpoint of the speed of the air passing through the pins, the flow of the air sucked in the suction port 211 proceeds parallel to the space between the pins when there is no air flow control. However, if the volume of the air is concentrated at the lowermost end of the fin, the airflow may be generated by gradually spreading to the space between the pins. Therefore, the suction port 211 in the fastening portion of the disposable tip case 110 and the tip case 110 is provided at a position capable of guiding the air sucked to the lowermost tip of the tip of the heat sink. According to a preferred embodiment, It can be designed within ⁇ 2mm from the lowermost part of the sink pin.
  • the heat dissipating port 221 is designed to maximize the resistance that obstructs the flow of air, so that the air having the largest volume can escape within the same time.
  • the air flow moves parallel to the back of the cooling fan 332, which is the controller, and bumps against the wall inside the case, blocking the area where the board (not shown) A flow of returning is created.
  • an irregular flow is created between the pen and the inner wall. This acts as another resistance to the release of air with the case inside the case, except for the outlet on the outside of the case. Therefore, it is necessary to have a structure inside the case to induce the flow of air naturally into the discharge port.
  • the cooling control unit 250 even when the cooling control unit 250 is forcibly cooled, it has a positional structure in which the cooling and radiating efficiency can be maximized due to the shape of the position where the inlet 211 and the radiating hole 221 are formed.
  • the cooling passage between the intake port 211 and the heat dissipation port 221 passes through a cooling fin formed in a heat sink provided in the main body, and a distance through the cooling fin is the same,
  • the time taken to stay in the body part 20 differs depending on the position of the air sucked in the body part 20.
  • the residence time in the case of the air may be different depending on the position of the air sucked into the suction port 211.
  • the suction port 211 is formed overlapping with the radiating fin 331, not only the residence time but also the time or distance through the radiating fin 331 may be different. That is, the distance through the cooling fins is constant, but the residence times from the inlet 211 formed at the different positions to the heat dissipation holes 221 may be different.
  • a heat sink structure for internal air flow according to a preferred embodiment of the present invention is provided, the shape of the heat sink corresponding to the shape of the body portion 20, The interval between the inner surface of the body portion 20 and the inner surface 331 is within a predetermined numerical range.
  • the cooling control unit 250 includes a cooling fan 332 and a motor (not shown) to control the air flow for forcedly sucking the outside air through the inlet 211 and discharging the air to the heat radiating port 221 side do.
  • the air flow discharged to the heat radiating port 221 includes an air flow generated from the cooling fan 332 and an air flow reflected from the partition 240.
  • FIG. 2E is a diagram illustrating the operation principle of the controller 500 according to the preferred embodiment of the present invention.
  • a controller 500 for controlling a cooling fan 332 for sucking outside air from the inlet 211 and forcibly dissipating the heat source toward the heat discharging opening 221 is provided in the body .
  • the controller 500 may include a fan driven by a motor for forcibly moving air in one direction or both directions and a cooling controller 250 provided at one side of the body 10 and including a thermal sensor for measuring the temperature of the interior And the like.
  • control unit 500 is mounted on the board (not shown), and controls the cooling control unit 250 by determining temperature information inputted through the heat sensing sensor and controlling the cooling control unit 250 .
  • the control unit 500 controls not only the operation and control of the cooling control unit 250 but also the determination of the reuse of the detachable cooling tip 10 and the operation restriction.
  • the controller 500 selectively operates the cooling controller 250 so that the internal temperature can be maintained at a predetermined temperature or less.
  • a display unit (not shown) may be further provided on one side of the body to indicate a temperature measured by the heat sensing sensor. The user determines whether or not the cooling anesthesia device is used through a change in temperature and color shown in the display.
  • a heat sensing sensor for sensing the temperature of the detachable cooling tip 10 is also provided on one side of the detachable cooling tip 10.
  • the current temperature of the detachable cooling tip 10 measured at the heat sensing sensor can also be shown on the display.
  • the current temperature of the removable cooling tip 10 may be displayed as a number through a separate display or may be displayed as a color change.
  • a non-contact type temperature sensor such as an infrared temperature sensor can be used.
  • the cooling tip 10 is provided with a black body radiation through the coating or the like.
  • the cooling device includes a proximal end portion 210 provided with a cooling medium 310 thermally coupled to a removable cooling tip 10 in direct contact with a target region for cooling and a distal end portion 220 formed at the other end And a cooling fan (332) for generating an air flow in a heat sink portion for dissipating heat of the cooling medium (310), wherein the cooling fan (332) includes a body portion (20) A suction port 211 for guiding external air suction is formed in a predetermined area of the body part 20 in a region where the cooling fan 332 is provided and a discharge port 211 for discharging the internal heat source to the outside, And a cooling device 221 in which cooling water is supplied.
  • FIG. 2F is a diagram illustrating air flow during use according to a preferred embodiment of the present invention.
  • the use environment is inclined within a predetermined angle range with respect to the horizontal state as the ground surface It will be used.
  • the passive air flow causes the heat source generated inside the body 20 to heat the internal air, so that it has a temperature higher than the temperature of the external or ambient air, , which is referred to as a passive air flow.
  • the passive air flow is not a flow of air due to an external force, but a circulation of the atmosphere according to a natural law according to a difference in specific gravity of the air.
  • the active air flow is a concept that contrasts with the above-described passive air flow, and refers to an air flow that is forcibly generated due to the operation of the fan provided in the body portion 20.
  • the active air flow is a forced flow of air generated by the rotation of the fan caused by the driving of a motor or the like, and the direction includes an upward direction with respect to the ground surface or a downward direction against the gravity direction .
  • the air flow by the passive air flow and the air flow by the active air flow are combined in the same direction to maximize the cooling effect.
  • the grip 230 is used at an angle of 30 to 60 degrees with the ground at the side of the extension line. At this time, the heat-absorbed air between the pins of the heat sink is lighter than the air sucked from the suction port 211 due to gravity, thereby acting as a force for controlling the airflow in addition to the fan for active air control.
  • the proximal end portion 210 provided with the thermoelectric cooling portion 320 for cooling the target region and the proximal end portion 210 provided with the cooling control portion 250 for controlling the cooling are provided in the body portion 20, 210) for preventing airflow between the partition walls (240).
  • the thermoelectric cooling unit 320 includes a thermoelectric element including a thermoelectric element and a heat sink unit thermally coupled to the thermoelectric element to dissipate the heat generated by the thermoelectric element.
  • the cooling control unit 250 includes a motor unit for forcibly cooling the thermoelectric cooling unit 320 and provided with a driving force and a fan for generating a forced air flow using the rotational force transmitted from the motor unit 332).
  • thermoelectric cooling unit 320 and a cooling control unit 250 provided in the center of gravity region and a distal end portion 220 including a battery 400 and a control unit 500 are physically and thermally Respectively. Airflow for heat radiation, either by passive air flow or by active air flow, is blocked by the partition 240 toward the distal end 220 side.
  • FIG. 3A to 3E are views showing the configuration of the tip case 110 of the cooling anesthesia apparatus according to the embodiment of the present invention and the inner engaging member 120.
  • FIG. In the cooling anesthesia apparatus, a detachable cooling tip (10) for cooling the target area through direct contact with a target area and a coupling member (120) for mounting the cooling tip (10) And a tip case 110 including the tip case 110, which will be described in detail with reference to the drawings.
  • FIG. 3A is a view showing a configuration of a detachable tip according to a preferred embodiment of the present invention.
  • the cooling tip 10 has a structure that is in direct physical contact with the cooling medium 310, and is coupled through thermal coupling and dislocation coupling.
  • the potential coupling means that the potential of the cooling tip 10 has a potential corresponding to the potential of the cooling medium 310 together with the thermal coupling.
  • the cooling tip 10 to which the potential is coupled and the cooling medium 310 can be electrically coupled with a component that can function as a capacitor, so that the potential can be stabilized.
  • the capacitor-functioning component may be a battery.
  • the battery serves to stabilize the combined potential of the cooling tip 10 and the cooling medium 310 without forming an independent capacitor as described above, The combined potential of the cooling medium 310 can be stabilized within the working potential range of the thermoelectric cooling portion 320.
  • Potential bonding of the cooling tip 10, the cooling medium 310, and capacitors is performed during a period before the operation, and the potential can be stabilized in advance before reaching the treatment site.
  • the potential coupling of the component that functions as the cooling tip 10, the cooling medium 310, and the capacitor can be achieved both before and during the procedure.
  • the cooling tip 10 which contacts the treatment region through the electric potential coupling, has electrical stability and can stably prevent sparks and the like even when the cooling tip 10 contacts the target region of the human body.
  • the cooling medium 310 i.e., in a preferred embodiment, the cooling rod is physically in surface contact with the heat sink through the Peltier element, It has a flatness of less than a meter and is plated with metal with excellent heat transfer. And the cooling medium is coupled to the cooling contact area of the detachable tip case 110 in a physical manner. That is, the cooling contact region thermally couples with the Peltier element, the heat sink, and the cooling medium 310.
  • the function of the detachable tip is divided into two functions.
  • the heat transfer function to the cooling contact area in terms of heat transfer of the cooling medium using the heat sink and the Peltier element and the cooling medium using the heat dissipation phenomenon has the function of cooling And may have a reuse prevention function for hygienic sterilization maintenance of the contact area.
  • the cooling medium and the cooling contact area of the detachable disposable tip cover must be thermally coupled with a minimum resistance.
  • the physical clearance between the cooling medium and the cooling contact area is the largest resistance element on the heat transfer side.
  • a fastening method that minimizes physical clearance is needed.
  • Fig. 3B shows one example of the screwing method.
  • the tip end of the cooling medium (ARM) is processed into a screw shape to minimize the physical clearance with the tip case (110).
  • Figs. 3B and 3C show a structure for preventing the reuse of the removable tip.
  • the coupling member 120 provided in the tip case 110 may be a button or a screw coupling method.
  • the detachable cooling tip 10 is coupled to the cooling anesthesia device through thermal coupling with the cooling medium 310 protruding from the cooling anesthesia device by a predetermined length.
  • a pressure is applied between the cooling medium (310) As shown in Fig.
  • FIGS. 3D and 3E are views showing the configuration of the cooling unit 320 when the elastic member 130 according to the preferred embodiment of the present invention is provided.
  • the elastic member 130 in the case where the cooling rods can be attached and detached, the elastic member 130 is used So that the bonding force can be improved.
  • an elastic member 130 which provides an elastic force in a direction opposite to the direction of engagement with the cooling anesthetic apparatus, Thermal bonding can be achieved.
  • the cooling unit 320 is installed in the body such that the cooling unit 320 is movable in the longitudinal direction, and the elastic member 130 elastically supports the cooling unit 320 at a rear side thereof, The cooling portion 320 can be pushed toward the cooling tip 10 for close contact with the cooling tip.
  • the elastic member 130 can improve the thermal coupling between the cooling rods and the thermoelectric elements by utilizing an elastic member not only in the direction in which the tips are joined but also in the direction in which the container 340 is joined.
  • 3F to 3H are views showing a tip case structure according to a preferred embodiment of the present invention.
  • the tip structure includes a case that extends to an outer case and an extension line, a barricade for convenient detachable guidance, a suction port 211 for smooth air suction, A conduit interior, and the like.
  • Figure 3F shows the electrical and physical design for the function of reuse prevention.
  • FIG. 3E is a view showing a case where the physical appearance of the electric circuit 511 is deformed after fastening.
  • the cooling tip 10 is further equipped with a reuse alarm unit 540 for signaling the reuse of the cooling tip 10.
  • the reuse alarm unit 540 may be configured using one or more of display, sound, or vibration modes such as LEDs.
  • the reuse alarm unit 540 determines whether the cooling tip 10 is reused in the control unit 500 when the replaceable cooling tip 10 is coupled to the cooling tip 10, (540).
  • the physical design of the tip case 110 causes electrical coupling between the tip case 110 and the body case at the time of attachment and sends a signal to the main board (or control) to recognize the coupling.
  • the signal acts as a count and can be disabled after a single use.
  • This signal may act as a trigger to send a physical signal to both the user and the subject for reuse prevention. For example, it can be a beep or an LED light.
  • a grip portion 111 having a predetermined shape is formed at an end of the tip case 110 in a direction of coupling with the cooling anesthesia device.
  • the grip portion 111 provides a space that facilitates manipulation of a finger used by the user in joining or detaching the tip case 110 with the cooling anesthesia apparatus.
  • the grip portion 111 is formed to taper in the direction of the central axis of the portion that engages with the cooling anesthesia device, thereby providing a predetermined depth and space around the coupling portion when engaged with the cooling anesthesia device.
  • the user can place a finger in a work space formed between the grip part 111 and the cooling anesthesia device during detachment of the tip case 110 and perform a desorption operation through a pressing or rotating operation.
  • An electrical circuit 511 is provided on the inner surface of the tip case 110 to determine whether electrical connection is made to prevent reuse of the used cooling tip 10. According to a preferred embodiment, when the electric circuit 511 is used for the first time, a closed circuit is formed through an electrical connection at a predetermined site, and when the closed circuit is constituted, it is recognized as normal use.
  • the electric circuit 511 is cut off or the shape thereof is changed to make it impossible to constitute a closed circuit.
  • a part of the electric circuit 511 is constituted by a fuse, and after it is determined that the fuse is normally used, the electric circuit 511 Can be opened.
  • the electric circuit 511 may have a structure in which the electric circuit 511 is opened by an electric method or a physical method due to an applied pressure. At least one of the cooling tip 10 and the cooling medium 310 is grounded through an electrical connection with the cooling anesthetic device.
  • an electric circuit opening part 520 for opening the electric circuit for preventing reuse is provided.
  • the electric circuit 511 may be opened in the same manner as the fuse, or may be opened according to the pressure upon coupling.
  • the electric circuit 511 may be bent so that the electric circuit 511 is opened at the time of reuse.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Medical Informatics (AREA)
  • Vascular Medicine (AREA)
  • Molecular Biology (AREA)
  • Ophthalmology & Optometry (AREA)
  • Otolaryngology (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Pathology (AREA)
  • Thermal Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermotherapy And Cooling Therapy Devices (AREA)

Abstract

Selon un mode de réalisation de la présente invention, l'invention concerne un dispositif d'anesthésie par refroidissement, qui résout significativement l'attente d'un patient et une charge de travail d'hôpital selon une procédure d'anesthésie lente requise pour une procédure classique pour une anesthésie oculaire, et peut réduire de manière significative la charge psychologique et la douleur d'un patient concernant un procédé d'anesthésie oculaire actuel. Selon un mode de réalisation de la présente invention, l'invention concerne le dispositif de refroidissement comprenant une partie corps comprenant : une partie d'extrémité proximale comprenant une partie de refroidissement ayant un milieu de refroidissement couplé thermiquement à une zone cible, et une partie de dissipation de chaleur pour dissiper la chaleur au niveau de la partie de refroidissement; et une partie d'extrémité distale formée au niveau de l'autre extrémité de celle-ci, la partie de dissipation de chaleur comprenant un ventilateur de refroidissement pour générer un écoulement d'air actif dans des ailettes de dissipation de chaleur disposées au niveau de la partie de dissipation de chaleur, un trou d'aspiration pour guider l'aspiration d'air extérieur et un trou de dissipation de chaleur pour décharger de l'air à l'intérieur de celui-ci vers l'extérieur sont formés dans une zone prédéterminée de la partie d'extrémité proximale, qui correspond à la zone dans laquelle le ventilateur de refroidissement est prévu, et un cycle d'écoulement d'air pour aspirer et évacuer l'air est effectué à l'intérieur de la zone prédéterminée de la partie de corps.
PCT/KR2017/013901 2017-11-30 2017-11-30 Dispositif de refroidissement et son procédé Ceased WO2019107607A1 (fr)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080045022A (ko) * 2006-11-17 2008-05-22 강승주 의료용 피부 급냉 기기
KR20150030264A (ko) * 2012-07-03 2015-03-19 마일스톤 사이언티픽 인코포레이티드 체액이 채워진 해부 공간의 식별 및 체액이 채워진 해부 공간 내로의 주사를 위해 압력 감지 및 불연속적인 유동을 이용하는 약물 주입
JP2015510802A (ja) * 2012-03-22 2015-04-13 サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 注射部位痛み軽減デバイスを備える医療用注射デバイス
KR20160048425A (ko) * 2014-10-24 2016-05-04 박장원 무게중심을 이용한 손잡이를 가진 이동용 소형 안마기
KR20170130470A (ko) * 2015-03-26 2017-11-28 더 리젠츠 오브 더 유니버시티 오브 미시건 냉각마취 및 무통을 위한 어플리케이터

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20080045022A (ko) * 2006-11-17 2008-05-22 강승주 의료용 피부 급냉 기기
JP2015510802A (ja) * 2012-03-22 2015-04-13 サノフィ−アベンティス・ドイチュラント・ゲゼルシャフト・ミット・ベシュレンクテル・ハフツング 注射部位痛み軽減デバイスを備える医療用注射デバイス
KR20150030264A (ko) * 2012-07-03 2015-03-19 마일스톤 사이언티픽 인코포레이티드 체액이 채워진 해부 공간의 식별 및 체액이 채워진 해부 공간 내로의 주사를 위해 압력 감지 및 불연속적인 유동을 이용하는 약물 주입
KR20160048425A (ko) * 2014-10-24 2016-05-04 박장원 무게중심을 이용한 손잡이를 가진 이동용 소형 안마기
KR20170130470A (ko) * 2015-03-26 2017-11-28 더 리젠츠 오브 더 유니버시티 오브 미시건 냉각마취 및 무통을 위한 어플리케이터

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