WO2007145421A1 - Rod type skin treatment device for cryo-surgery and cryo-skin treatment - Google Patents

Rod type skin treatment device for cryo-surgery and cryo-skin treatment Download PDF

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Publication number
WO2007145421A1
WO2007145421A1 PCT/KR2007/001416 KR2007001416W WO2007145421A1 WO 2007145421 A1 WO2007145421 A1 WO 2007145421A1 KR 2007001416 W KR2007001416 W KR 2007001416W WO 2007145421 A1 WO2007145421 A1 WO 2007145421A1
Authority
WO
WIPO (PCT)
Prior art keywords
porous body
skin treatment
cryo
rod
lesion
Prior art date
Application number
PCT/KR2007/001416
Other languages
French (fr)
Inventor
Shin Goo Hur
Yeon Ho Kim
Jun Ho Song
Nam Goo Kim
Original Assignee
Bio-Smart Co., Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bio-Smart Co., Ltd filed Critical Bio-Smart Co., Ltd
Publication of WO2007145421A1 publication Critical patent/WO2007145421A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/02—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
    • 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
    • A61F7/10—Cooling bags, e.g. ice-bags
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H39/00—Devices for locating or stimulating specific reflex points of the body for physical therapy, e.g. acupuncture
    • A61H39/06—Devices for heating or cooling such points within cell-life limits
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
    • A61H2201/02—Characteristics of apparatus not provided for in the preceding codes heated or cooled
    • A61H2201/0214—Characteristics of apparatus not provided for in the preceding codes heated or cooled cooled

Definitions

  • the present invention relates to a medical skin treatment device, and more particularly, to a rod-type skin treatment device used to perform cryosurgery and cryo skin-treatment on a lesion by using cryogenic liquid.
  • the laser surgery has side effects of turning the skin black when a treated site is exposed to sunlight for a predetermined time and contaminating the treated site and forming pus when the treated site contacts water.
  • a system body of a laser surgery instrument has a very large size, so that there are problems in that movement and management thereof are not easy.
  • a price of the instrument is high, high surgery costs are required.
  • thermoelectric device a skin cooler using a thermoelectric device
  • a thermoelectric device discloses a device for cooling a local site of the skin by using endothermic reaction of the thermoelectric device.
  • thermoelectric device when used as a cooling device, there is a problem in that a cryogenic temperature cannot be easily provided.
  • devices such as a radiator for radiating heat of heater that is at the opposite side to a heat absorber in the thermoelectric device or a power source are necessarily included, so that a construction of the device is complex. Disclosure of Invention
  • the present invention provides a rod-type skin treatment device which contains cryogenic liquid in a body of the device and has a structure for cooling a lesion in a contact manner.
  • a rod-type skin treatment device used for cryosurgery and cryo skin-treatment, including: a porous body which includes a number of pores that absorb and contain cryogenic liquid; a lesion contact tip which protrudes from a portion of the porous body; and a handle which is fixed to the porous body in a rod type.
  • the porous body may be one of a metal block, a ceramic block, and a polymer block.
  • cryogenic liquid may employ liquid nitrogen.
  • the lesion contact tip may be integrated into the porous body in one body and may protrude from a front portion of the porous body.
  • a surface of the lesion contact tip is ground so that pores are not exposed.
  • the handle may be fixed to a rear portion of the porous body, and the handle, the porous body, and the lesion contact tip may be disposed to have the same central axis.
  • FIG. 1 is a perspective view illustrating an outer appearance of a rod- type skin treatment device according to an embodiment of the present invention.
  • FIG. 2 is a longitudinal sectional view of FIG. 1.
  • FIG. 1 is a perspective view illustrating an outer appearance of a rod- type skin treatment device according to an embodiment of the present invention.
  • FIG. 2 is a Ion- gitudinal sectional view of FIG. 1.
  • the rod- type skin treatment device includes a porous body 100 which can contain cryogenic liquid, a lesion contact tip which protrudes from a front portion of the porous body 100, and a handle 103 which extends from a rear portion of the porous body 100 in a rod type.
  • the porous body 100 is full and is constructed with a block made of a porous material having a number of pores 101 that absorb and contain cryogenic liquid.
  • the porous material may employ a porous metal, a ceramic, or a polymer.
  • a shape of the porous body 100 is not limited to a shape of a cylinder as illustrated in FIG. 1 but may be changed in various forms.
  • the cryogenic liquid contained in the porous body 100 may employ refrigerants such as liquid nitrogen.
  • the liquid nitrogen absorbed in the porous body 100 does not easily leak due to a capillary phenomenon, so that a state where the liquid nitrogen is contained in the porous body 100 can be maintained for a long time.
  • the lesion contact tip 102 directly contacts a lesion when cryosurgery or cryo skin- treatment is performed, and is maintained in a cryogenic state similar to the porous body because the lesion contact tip 102 protrudes from the front portion of the porous body 100.
  • the lesion contact tip 102 is integrated into the porous body 100 in one body and has a porous internal structure. A surface thereof may be ground so that the pores 101 are not exposed. According to this structure, side effects that a wound or a scratch remains at the skin when the lesion contact tip 102 contacts the lesion can be prevented.
  • the lesion contact tip 102 may be a separate member from the porous body 100 to be assembled with the porous body 100.
  • the handle 103 is fixed to the rear portion of the porous body 100 and extends to the rear in a rod type. Since the handle 103 is grasped by a hand of a user, the handle 103 may be made of a material that has a low heat conductivity and does not generate Galvanic corrosion with the porous body 100. The handle 103 may be assembled with the porous body 100 in a method of tightening a screw (not shown) or the like.
  • the handle 103, the porous body 100, and the lesion contact tip 102 are constructed to have the same axis of rotation so as to entirely form a rod shape.
  • the rod-type skin treatment device having the aforementioned construction according to the embodiment of the present invention is used for cryosurgery and cyro skin-treatment by using cryogenic liquid such as the liquid nitrogen as a working refrigerant.
  • cryogenic liquid such as the liquid nitrogen as a working refrigerant.
  • the lesion contact tip 102 is contacted to a lesion of a skin disease such as a dot, a wart, and a red spot to rapidly cool the corresponding lesion.
  • a skin disease such as a dot, a wart, and a red spot
  • operations of removing or anesthetizing tissue of the lesion that are performed after cooling the corresponding lesion are performed according to well known cryosurgery and cyro skin treatment, so that detailed description thereof is omitted.
  • the rod-type skin treatment device according to the present invention can be used for cryosurgery and cryo skin-treatment by dipping a porous body in a refrigerant and contacting a tip portion to a lesion, so that the rod-type skin treatment device can be conveniently used.
  • the rod-type skin treatment device has a simple structure and can be easily used.

Abstract

Provided is a rod-type skin treatment device used for cryosurgery and cryo skin-treatment, including: a porous body which includes a number of pores that absorb and contain cryogenic liquid; a lesion contact tip which protrudes from a portion of the porous body; and a handle which is fixed to the porous body in a rod type. Accordingly, the rod-type skin treatment device has advantages in that the rod-type skin treatment device has a simple structure and can be conveniently used, and an additional power source is not required.

Description

Description
ROD TYPE SKIN TREATMENT DEVICE FOR CRYOSURGERY AND CRYO-SKIN TREATMENT
Technical Field
[1] The present invention relates to a medical skin treatment device, and more particularly, to a rod-type skin treatment device used to perform cryosurgery and cryo skin-treatment on a lesion by using cryogenic liquid. Background Art
[2] As a medical technique that has been widely used to cure skin diseases such as dots, warts, and red spots, there is laser surgery for scanning and burning a corresponding lesion using laser to remove the lesion.
[3] However, the laser surgery has side effects of turning the skin black when a treated site is exposed to sunlight for a predetermined time and contaminating the treated site and forming pus when the treated site contacts water.
[4] In addition, a system body of a laser surgery instrument has a very large size, so that there are problems in that movement and management thereof are not easy. In addition, since a price of the instrument is high, high surgery costs are required.
[5] As another treatment method introduced to cure the skin diseases, there is skin cryosurgery for cooling a lesion to have a very low temperature. To do this, conventionally, a large cyro-system using heat of vaporization of liquid nitrogen has been widely used. In this case, there are problems in that a construction of the system is complex, management is not easy, and a slow cooling rate may cause inconvenience.
[6] As a technique associated with skin cooling, Korea Patent Application Laid-Open
No. 2004-34039 (a skin cooler using a thermoelectric device) discloses a device for cooling a local site of the skin by using endothermic reaction of the thermoelectric device.
[7] However, when the thermoelectric device is used as a cooling device, there is a problem in that a cryogenic temperature cannot be easily provided. In addition, devices such as a radiator for radiating heat of heater that is at the opposite side to a heat absorber in the thermoelectric device or a power source are necessarily included, so that a construction of the device is complex. Disclosure of Invention
Technical Problem
[8] The present invention provides a rod-type skin treatment device which contains cryogenic liquid in a body of the device and has a structure for cooling a lesion in a contact manner. Technical Solution
[9] According to an aspect of the present invention, there is provided a rod-type skin treatment device used for cryosurgery and cryo skin-treatment, including: a porous body which includes a number of pores that absorb and contain cryogenic liquid; a lesion contact tip which protrudes from a portion of the porous body; and a handle which is fixed to the porous body in a rod type.
[10] In the above aspect of the present invention, the porous body may be one of a metal block, a ceramic block, and a polymer block.
[11] In addition, the cryogenic liquid may employ liquid nitrogen.
[12] In addition, the lesion contact tip may be integrated into the porous body in one body and may protrude from a front portion of the porous body.
[13] In addition, a surface of the lesion contact tip is ground so that pores are not exposed.
[14] In addition, the handle may be fixed to a rear portion of the porous body, and the handle, the porous body, and the lesion contact tip may be disposed to have the same central axis. Brief Description of the Drawings
[15] The attached drawings for illustrating exemplary embodiments of the present invention are referred to in order to gain a sufficient understanding of the present invention with the detailed description of the present invention. Therefore, the present invention is not construed to be limited to particulars illustrated in the drawings.
[16] FIG. 1 is a perspective view illustrating an outer appearance of a rod- type skin treatment device according to an embodiment of the present invention.
[17] FIG. 2 is a longitudinal sectional view of FIG. 1.
Best Mode for Carrying Out the Invention
[18] Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the attached drawings. Terms and words used in the description and the claims are not construed as being limited to conventional meanings in dictionaries, but are construed to have meanings and concepts corresponding to the spirit and scope of the present invention based on a principle that the inventor can properly define concepts of the terms in order to explain the invention in the best way. Therefore, since embodiments described in the description and constructions illustrated in the drawings are only exemplary embodiments of the present invention and do not speak for all of the sprit and scope of the present invention, it will be understood that various changes in form and details may be made therein at the filing date.
[19] FIG. 1 is a perspective view illustrating an outer appearance of a rod- type skin treatment device according to an embodiment of the present invention. FIG. 2 is a Ion- gitudinal sectional view of FIG. 1.
[20] Referring to FIGS. 1 and 2, the rod- type skin treatment device according to the embodiment of the present invention includes a porous body 100 which can contain cryogenic liquid, a lesion contact tip which protrudes from a front portion of the porous body 100, and a handle 103 which extends from a rear portion of the porous body 100 in a rod type.
[21] The porous body 100 is full and is constructed with a block made of a porous material having a number of pores 101 that absorb and contain cryogenic liquid. Here, the porous material may employ a porous metal, a ceramic, or a polymer. A shape of the porous body 100 is not limited to a shape of a cylinder as illustrated in FIG. 1 but may be changed in various forms.
[22] The cryogenic liquid contained in the porous body 100 may employ refrigerants such as liquid nitrogen. The liquid nitrogen absorbed in the porous body 100 does not easily leak due to a capillary phenomenon, so that a state where the liquid nitrogen is contained in the porous body 100 can be maintained for a long time.
[23] The lesion contact tip 102 directly contacts a lesion when cryosurgery or cryo skin- treatment is performed, and is maintained in a cryogenic state similar to the porous body because the lesion contact tip 102 protrudes from the front portion of the porous body 100.
[24] The lesion contact tip 102 is integrated into the porous body 100 in one body and has a porous internal structure. A surface thereof may be ground so that the pores 101 are not exposed. According to this structure, side effects that a wound or a scratch remains at the skin when the lesion contact tip 102 contacts the lesion can be prevented.
[25] Alternatively, the lesion contact tip 102 may be a separate member from the porous body 100 to be assembled with the porous body 100.
[26] The handle 103 is fixed to the rear portion of the porous body 100 and extends to the rear in a rod type. Since the handle 103 is grasped by a hand of a user, the handle 103 may be made of a material that has a low heat conductivity and does not generate Galvanic corrosion with the porous body 100. The handle 103 may be assembled with the porous body 100 in a method of tightening a screw (not shown) or the like.
[27] For the convenience of use and treatment, the handle 103, the porous body 100, and the lesion contact tip 102 are constructed to have the same axis of rotation so as to entirely form a rod shape.
[28] The rod-type skin treatment device having the aforementioned construction according to the embodiment of the present invention is used for cryosurgery and cyro skin-treatment by using cryogenic liquid such as the liquid nitrogen as a working refrigerant. [29] More specifically, when the handle 103 is grasped by the hand and the porous body
100 is dipped in a container for containing the liquid nitrogen, the liquid nitrogen is absorbed and contained in the body through the pores 101 of the porous body 100. Thereafter, the lesion contact tip 102 is contacted to a lesion of a skin disease such as a dot, a wart, and a red spot to rapidly cool the corresponding lesion. Here, operations of removing or anesthetizing tissue of the lesion that are performed after cooling the corresponding lesion are performed according to well known cryosurgery and cyro skin treatment, so that detailed description thereof is omitted.
[30] The state where the liquid nitrogen is contained in the porous body 100 is continuously maintained, so that the porous body 100 can be used for a long time. In addition, when the liquid nitrogen evaporates excessively and a temperature of the lesion contact tip 102 increases above an allowable level, the porous body 100 may be dip into the container for containing the liquid nitrogen again to be refilled with the liquid nitrogen.
[31] 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 present invention as defined by the appended claims. Industrial Applicability
[32] The rod-type skin treatment device according to the present invention can be used for cryosurgery and cryo skin-treatment by dipping a porous body in a refrigerant and contacting a tip portion to a lesion, so that the rod-type skin treatment device can be conveniently used. In addition, the rod-type skin treatment device has a simple structure and can be easily used.
[33] In addition, an additional power source is not required, so that the rod-type skin treatment device is economic and does not have a safety problem.

Claims

Claims
[1] A rod- type skin treatment device used for cryosurgery and cryo skin-treatment, comprising: a porous body which includes a number of pores that absorb and contain cryogenic liquid; a lesion contact tip which protrudes from a portion of the porous body; and a handle which is fixed to the porous body in a rod type. [2] The device of claim 1, wherein the porous body is one of a metal block, a ceramic block, and a polymer block. [3] The device of claim 1 or 2, wherein the lesion contact tip is integrated into the porous body in one body and protrudes from a front portion of the porous body. [4] The device of claim 3, wherein a surface of the lesion contact tip is ground so that pores are not exposed. [5] The device of claim 4, wherein the handle is fixed to a rear portion of the porous body, and wherein the handle, the porous body, and the lesion contact tip are disposed to have the same central axis.
PCT/KR2007/001416 2006-06-12 2007-03-22 Rod type skin treatment device for cryo-surgery and cryo-skin treatment WO2007145421A1 (en)

Applications Claiming Priority (2)

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KR10-2006-0052356 2006-06-12
KR1020060052356A KR100746322B1 (en) 2006-06-12 2006-06-12 Rod type skin treatment device for cryo-surgery and cryo-skin treatment

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US9314368B2 (en) 2010-01-25 2016-04-19 Zeltiq Aesthetics, Inc. Home-use applicators for non-invasively removing heat from subcutaneous lipid-rich cells via phase change coolants, and associates devices, systems and methods
US9375345B2 (en) 2006-09-26 2016-06-28 Zeltiq Aesthetics, Inc. Cooling device having a plurality of controllable cooling elements to provide a predetermined cooling profile
US9408745B2 (en) 2007-08-21 2016-08-09 Zeltiq Aesthetics, Inc. Monitoring the cooling of subcutaneous lipid-rich cells, such as the cooling of adipose tissue
US9545523B2 (en) 2013-03-14 2017-01-17 Zeltiq Aesthetics, Inc. Multi-modality treatment systems, methods and apparatus for altering subcutaneous lipid-rich tissue
USD777338S1 (en) 2014-03-20 2017-01-24 Zeltiq Aesthetics, Inc. Cryotherapy applicator for cooling tissue
US9655770B2 (en) 2007-07-13 2017-05-23 Zeltiq Aesthetics, Inc. System for treating lipid-rich regions
US9737434B2 (en) 2008-12-17 2017-08-22 Zeltiq Aestehtics, Inc. Systems and methods with interrupt/resume capabilities for treating subcutaneous lipid-rich cells
US9844460B2 (en) 2013-03-14 2017-12-19 Zeltiq Aesthetics, Inc. Treatment systems with fluid mixing systems and fluid-cooled applicators and methods of using the same
US9861421B2 (en) 2014-01-31 2018-01-09 Zeltiq Aesthetics, Inc. Compositions, treatment systems and methods for improved cooling of lipid-rich tissue
US9861520B2 (en) 2009-04-30 2018-01-09 Zeltiq Aesthetics, Inc. Device, system and method of removing heat from subcutaneous lipid-rich cells
US10092346B2 (en) 2010-07-20 2018-10-09 Zeltiq Aesthetics, Inc. Combined modality treatment systems, methods and apparatus for body contouring applications
US10383787B2 (en) 2007-05-18 2019-08-20 Zeltiq Aesthetics, Inc. Treatment apparatus for removing heat from subcutaneous lipid-rich cells and massaging tissue
US10524956B2 (en) 2016-01-07 2020-01-07 Zeltiq Aesthetics, Inc. Temperature-dependent adhesion between applicator and skin during cooling of tissue
US10555831B2 (en) 2016-05-10 2020-02-11 Zeltiq Aesthetics, Inc. Hydrogel substances and methods of cryotherapy
US10568759B2 (en) 2014-08-19 2020-02-25 Zeltiq Aesthetics, Inc. Treatment systems, small volume applicators, and methods for treating submental tissue
US10675176B1 (en) 2014-03-19 2020-06-09 Zeltiq Aesthetics, Inc. Treatment systems, devices, and methods for cooling targeted tissue
US10682297B2 (en) 2016-05-10 2020-06-16 Zeltiq Aesthetics, Inc. Liposomes, emulsions, and methods for cryotherapy
US10722395B2 (en) 2011-01-25 2020-07-28 Zeltiq Aesthetics, Inc. Devices, application systems and methods with localized heat flux zones for removing heat from subcutaneous lipid-rich cells
US10765552B2 (en) 2016-02-18 2020-09-08 Zeltiq Aesthetics, Inc. Cooling cup applicators with contoured heads and liner assemblies
US10935174B2 (en) 2014-08-19 2021-03-02 Zeltiq Aesthetics, Inc. Stress relief couplings for cryotherapy apparatuses
US10952891B1 (en) 2014-05-13 2021-03-23 Zeltiq Aesthetics, Inc. Treatment systems with adjustable gap applicators and methods for cooling tissue
US11076879B2 (en) 2017-04-26 2021-08-03 Zeltiq Aesthetics, Inc. Shallow surface cryotherapy applicators and related technology
US11154418B2 (en) 2015-10-19 2021-10-26 Zeltiq Aesthetics, Inc. Vascular treatment systems, cooling devices, and methods for cooling vascular structures
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US11446175B2 (en) 2018-07-31 2022-09-20 Zeltiq Aesthetics, Inc. Methods, devices, and systems for improving skin characteristics

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US11219549B2 (en) 2006-09-26 2022-01-11 Zeltiq Aesthetics, Inc. Cooling device having a plurality of controllable cooling elements to provide a predetermined cooling profile
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US11291606B2 (en) 2007-05-18 2022-04-05 Zeltiq Aesthetics, Inc. Treatment apparatus for removing heat from subcutaneous lipid-rich cells and massaging tissue
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US9408745B2 (en) 2007-08-21 2016-08-09 Zeltiq Aesthetics, Inc. Monitoring the cooling of subcutaneous lipid-rich cells, such as the cooling of adipose tissue
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US9844461B2 (en) 2010-01-25 2017-12-19 Zeltiq Aesthetics, Inc. Home-use applicators for non-invasively removing heat from subcutaneous lipid-rich cells via phase change coolants
US9314368B2 (en) 2010-01-25 2016-04-19 Zeltiq Aesthetics, Inc. Home-use applicators for non-invasively removing heat from subcutaneous lipid-rich cells via phase change coolants, and associates devices, systems and methods
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