EP1971301A1 - Appareil manuel et procede de traitement thermique d'un emplacement affecte par une piqure ou une morsure d'insecte - Google Patents

Appareil manuel et procede de traitement thermique d'un emplacement affecte par une piqure ou une morsure d'insecte

Info

Publication number
EP1971301A1
EP1971301A1 EP07702615A EP07702615A EP1971301A1 EP 1971301 A1 EP1971301 A1 EP 1971301A1 EP 07702615 A EP07702615 A EP 07702615A EP 07702615 A EP07702615 A EP 07702615A EP 1971301 A1 EP1971301 A1 EP 1971301A1
Authority
EP
European Patent Office
Prior art keywords
temperature
heat
skin
ptc
hand
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.)
Withdrawn
Application number
EP07702615A
Other languages
German (de)
English (en)
Inventor
Norbert Hofer
Peter Heindl
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
E I S GmbH
Original Assignee
E I S GmbH
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 E I S GmbH filed Critical E I S GmbH
Publication of EP1971301A1 publication Critical patent/EP1971301A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
    • 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
    • A61F7/007—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating
    • A61F2007/0071—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating using a resistor, e.g. near the spot to be heated
    • A61F2007/0073—Heating or cooling appliances for medical or therapeutic treatment of the human body characterised by electric heating using a resistor, e.g. near the spot to be heated thermistor
    • A61F2007/0074—PTC
    • 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
    • A61F2007/0282—Compresses or poultices for effecting heating or cooling for particular medical treatments or effects
    • A61F2007/0284—Treatment of stings or bites

Definitions

  • the invention relates in the first place to a hand-held device and method for the thermal treatment of the spot affected by an insect bite or bite according to claim 1. Furthermore, the invention relates to a method for the thermal treatment of the spot affected by an insect bite or bite according to claim 10.
  • Stings or bites of insects such as mosquitoes, brakes, lice, ants, usually lead to itching, sometimes painful, but usually swelling quickly swelling. These bites or bites hurt by introduced pathogens, toxins, blood thinners, etc. and are for the person concerned at least extremely unpleasant. Itching, swelling and skin irritation usually affects only the puncture or bite site, however, allergic reactions can extend over the entire body.
  • Also known methods for treating a sting or bite are: • Milding due to the cooling and / or anti-allergenic effects of ointments or alcohol, whereby only the symptoms of the bite are temporarily alleviated, ie an external, chemical treatment of the affected area,
  • thermolabile poisons • heat treatment and thus (at least in part) neutralization and removal of the introduced thermolabile poisons by heat treatment with treatment temperatures up to max. about 70 0 C.
  • thermolabile insecticides in the context of the invention is the last-mentioned method.
  • a hand-held device which is used for the thermal treatment of the consequences of insect bites and stings.
  • this includes a heating element, which is designed as an electric heating plate, the is fed by a voltage source, wherein the heating plate in a heating phase to a maximum temperature from a range of 50 0 C to 65 0 C, preferably 55 0 C to 60 0 C, heated and the maximum temperature in a heating phase for a period of 2s to 12s, preferably 3s to 6s can be maintained.
  • a temperature sensor and a control device are connected to the heating element, wherein the electrical signal generated by the temperature sensor is supplied to the control device, which controls the heating of the heating plate to the maximum temperature and the duration of maintaining the maximum temperature.
  • the heating element and the temperature sensor are contained in an integrated circuit of a silicon chip with switching transistor, wherein the heating element is designed as a resistance matrix.
  • the temperature control ensures the maintenance of the maximum temperature while preventing it from exceeding it.
  • the heating process is ended and the temperature of the heating plate adapts to the ambient temperature.
  • the heating plate is heated in the heating phase to a maximum temperature from a range of 50 0 C to 65 ° C, preferably 55 ° C to 60 0 C, with a tolerance of ⁇ 3 ° C is maintained.
  • the maximum temperature is maintained for a period of 2 seconds to 12 seconds, preferably 3 seconds to 6 seconds.
  • the duration of the heating phase is inversely proportional to the height of the maximum temperature.
  • the heating process is stopped and the cooling phase begins.
  • the end of the heating phase and thus the treatment can be visually displayed by a signal.
  • the introduction of the amount of heat in the puncture is thus independent of the ambient temperature and the surface temperature of the skin, since the heating phase begins when the maximum temperature is reached and the temperature of the hot plate is maintained throughout the duration of the heating phase by the temperature control. In this way, an exact entry of the amount of heat required for neutralizing the thermolabile poisons in a temperature range is possible in which damage to the skin by this heat input are not to be feared.
  • the handset may for example be formed as a thin flashlight and preferably have a heating head, which - is electrically powered by a battery or the network - heated to the affected skin (Stichstelle) to push.
  • the temperature of the part to be held against the stitching point of the hand-held device according to the invention should be so high that the skin is not burned but the thermal decomposition of the injected poison (in the sense of reducing the effect of the poison) can be achieved.
  • the method for operating the hand-held device according to the invention thus consists in that the heating head is heated by activation and only then placed on the stitching point - preferably with strong pressing.
  • EP 0 312 413 A1 discloses a hand-held device for therapeutic skin treatment by the introduction of heat, in which the heat is generated by a heating coil which is offset from the skin surface (for example by 2 mm) and has a power of 1.25 W.
  • a direct contact between skin and heating coil is prevented by a wire mesh (mesh size 0.3mm) in front of the opening of 6mm diameter and the heat radiation can be increased by a reflector arranged behind the heating coil.
  • the temperature of the heating coil is not regulated and a 9 V battery is provided for the power supply.
  • the heating coil is heated, whereby the button operation is optically indicated by an LED.
  • the hand-held device is configured as a cylindrical body with an annular base and has a manually operable switch on the opposite side.
  • electric heating element is a heating wire, in particular NiCr wire, provided within the annulus at the bottom of the handset, wherein the power is supplied by a battery arranged in the handset.
  • the thermal treatment is carried out by thermal radiation (no direct skin contact) of the heating wire, wherein the temperature is not controlled.
  • EP 0 607 472 A1 discloses a disk-shaped device for the thermal treatment of the skin zone affected by the respective insect bite which does not have its own power supply but is charged in a charging station.
  • the heating process starts as soon as an internal storage capacitor of the device is charged and ends when this capacitor is completely discharged.
  • a microcomputer with a backup battery
  • a manually operable on-off switch may be used in combination with a thermostat for control, or a timer may be provided in combination with a resistor and a switch.
  • the heating process is started by pressing the switch, in which an ohmic heating element controls a plate in accordance with controlled heating, so that after applying / gluing the disc-shaped device on the skin then the thermal treatment can take place.
  • the heat is generated by the power dissipation of a power transistor (eg TO 220) inside the handset and to the skin via a thin, metallic (copper, aluminum) or ceramic plate placed in a corner of the handset that is beveled at 45 ° issued.
  • the switching is done by also in the bevelled corner arranged touch-sensitive contacts.
  • the temperature is measured by measurement by means of an external temperature sensor or the heating power transistor. Controlled by pressing further arranged on the handset controls, the power loss of the power transistor and thus the temperature of the plate can be increased in stages.
  • the operation of the handset is indicated by optical means.
  • the handset includes a battery, a temperature controller, a heating element, and a silver-coated aluminum plate.
  • the heating element is heated to a temperature in a certain temperature range, for the treatment of the rash of the affected skin area is contacted and heated.
  • an adhesive layer is applied to the surface of the heating element. It is also provided in an alternative embodiment that between the heating surface and the skin surface, a spacer is arranged and the skin surface is subjected to steam.
  • US 2004/0127962 A1 discloses a cylinder-shaped hand-held device for the treatment of skin rashes and skin diseases by controlled heat supply to the skin.
  • a power supply a temperature sensor, a heating device, a control device for combined temperature-time control connected thereto and various operating elements for specifying the desired temperature or time.
  • the heating device comprises a heating plate made of thermally conductive material, which can be placed on the skin, for example Metal, or the heating plate is designed on the treatment side as a plastic-coated metal plate.
  • the heating device comprises a heat-conducting liquid for heat transfer to the heating plate, wherein the heating head which can be placed on the skin itself is made of plastic or rubber and has a curved surface on the treatment side.
  • heated liquid is sprayed onto the skin surface to be treated, whereby the hand-held device can also have several chambers for different solutions or for their mixture. If the solution contains, for example, alcohol, the sprayed-on skin is quickly heated up and the evaporation of the alcohol then causes the skin to cool down again.
  • the handset is connected to the electrical power grid.
  • a heat source for example, laser, microwave or infrared can be used.
  • the achievement of the desired temperature of the hand-held device is indicated by visual means and then, by placing on the skin, the time- / temperature-controlled treatment takes place.
  • the invention is compared to the known hand-held devices, the task of further developing such that the user an easy-to-use, inexpensive manufacturable handset is provided, which based on the principle of heat conduction, a treatment of the skin at the puncture or bite site in a certain temperature range allows.
  • a heat-conducting body which can be brought into contact with the skin of the user and which is mounted in the housing of the hand-held device
  • thermoelectric resistor with a positive characteristic arranged on or in the thermally conductive body and in thermal coupling therewith
  • the hand-held device has the advantage that in a surprisingly simple and cost-effective manner, a simple and very inexpensive system for heat treatment of insect bites and bites below Taking advantage of the fact that a temperature-dependent resistor in a single component without further external control and regulating elements combines the heating and control at the lowest cost due to its physical properties (positive ⁇ -R characteristic).
  • the very cost-effective implementation is thus based on the control property of the temperature-dependent resistor and thus, the saving of additional sensors, in particular temperature sensors, and controllers as in the prior art.
  • this object is achieved according to the invention in a method for thermally treating the affected by an insect bite or bite body with a handset, which is a temperature-dependent resistor with positive characteristic, a thermally coupled thereto thermally conductive body, a voltage source and a user manually operable probe element has, solved according to claim 10, wherein the user:
  • the probe element for thermal treatment of the affected area is actuated until independently by self-heating of the temperature-dependent resistor an individually sensed temperature in the temperature range between 50 0 C and 65 ° C is reached at the skin contact surface of the heat-conducting body.
  • the inventive method has the advantage that the thermal treatment is very simplified and can be carried out quickly by the user controls them individually by pressing the button.
  • Another advantage of the method according to the invention is the lower energy consumption, since the key is actuated by the user only as long as the treatment is to take place.
  • the body is designed as a hollow body and the temperature-dependent resistor as a circular disc with two terminals, wherein the circular disc is positioned by at least partially introducing heat-conducting material in the cavity of the heat-conducting body.
  • This development of the invention has the advantage that a compact heating element, consisting of hollow body and temperature-dependent resistance, can be produced with low production costs, and that also the assembly effort in the hand-held device according to the invention is reduced.
  • the temperature-dependent resistance by completely encapsulating a part of the body with this firmly connected.
  • This embodiment of the invention has the advantage that in a surprisingly simple manner, on the one hand, a secure attachment and good protection of the temperature-dependent resistance on the jacket of the body is possible, on the other hand, a heat dissipation into the body, this component overall cost (also fully automatic) produced and easy to install in the housing of the handset and this ensures a particularly effective heat dissipation.
  • ceramic fillers such as silicate oxide, alumina or beryllium oxide may be used.
  • fibrous fillers serve to direct the heat to dissipate through the component of the body.
  • magnesium or aluminum to introduce into the plastic.
  • FIG. 1 the block diagram
  • FIG. 2 shows the circuit diagram of the hand-held device according to the invention
  • FIG. 3 different embodiments of the handset in side view
  • FIG. 4 shows the resistance profile of PTCs of different nominal temperature
  • FIG. 5a, 5b two embodiments for the construction / assembly of the temperature-dependent resistance in the body
  • FIG. 6 shows the principle of the heat dissipation according to the invention on the basis of the heat transfer resistances.
  • FIG. 1 to FIG. Fig. 6 shows the block diagram, the circuit diagram, the resistance curve of PTCs (positive temperature coefficient resistor) or the principle of heat dissipation to various embodiments of the hand device according to the invention for the thermal treatment of the affected by an insect bite or bite site. All these devices consist essentially of a temperature-dependent resistor with a positive characteristic PTC, a thermally coupled thereto standing heat-conducting body K, a voltage source B and a user manually operable probe element T.
  • PTCs positive temperature coefficient resistor
  • Thermal radiation also allows the release of heat into the vacuum, it depends only on the temperature of the radiating body and independent of the temperature of the environment.
  • the heat radiation depends on the temperature of the beam ers / body and also on the nature of its surface.
  • the heat conduction takes place only in matter, ie in the body, and presupposes a temperature gradient in it. If one does not constantly supply or remove heat from a body at one point, then all the temperature differences in it will be compensated over time by a heat flow that flows from higher to lower temperature.
  • metals are relatively good heat conductors, for example copper with a thermal conductivity of 0.93 cal / cm-sk in the temperature range between 0 ° C and 100 0 C or aluminum with a thermal conductivity of 0.55 cal / cm-sk in the temperature range between 0 ° C and 200 ° C, while plastics are usually worse heat conductors.
  • the heat transfer from a body of a certain temperature to its environment is described by the heat transfer value and the heat transfer through a body, for example a plate, is described by the heat transfer value.
  • the heat transfer value depends strongly on the surface texture and the heat transfer value on the material thickness / plate thickness.
  • the handset according to the invention has the advantage that in a surprisingly simple and cost-effective manner, the ratio of heat transfer value to heat transfer value (by encapsulating a part of the body and its heat capacity or heat capacity of the heat-conducting material) has been optimized so that a particularly effective Heat dissipation is guaranteed.
  • FIG. 2 shows the circuit diagram of the hand-held device according to the invention.
  • the heat output of the temperature-dependent resistor with positive characteristic PTC is introduced there by suitable contact with the skin H (see FIG.
  • the suitable contact may be made by mounting the temperature dependent resistor PTC in (see Fig. 3, Fig. 5a and Fig. 5b) or on (see Fig. 3) the heat conductive body K, eg a cylindrical, metallic heating plate with a diameter of 5mm to 7mm, be formed.
  • the temperature-dependent resistor PTC is supplied by the voltage source B (battery, battery with a voltage of preferably 9 volts for rapid heating of the temperature-dependent resistor PTC).
  • the voltage source B battery, battery with a voltage of preferably 9 volts for rapid heating of the temperature-dependent resistor PTC.
  • the temperature-dependent resistor PTC and thus the heat-conducting body K in thermal coupling now assumes a temperature specified only by the typical properties of the temperature-dependent resistor PTC (see also FIG. 4, which shows the resistance profile of PTCs of different nominal temperature shows).
  • the inventive optimization / dimensioning of the heat transport in particular between the temperature-dependent resistor PTC and the body K, a surface temperature of the body K of about 50 0 C to 65 ° C, preferably from about 50 0 C to 60 0 C, with achieved by the temperature-dependent resistor PTC and the heat transfer / contacting dependent tolerance.
  • Exceeding an inadmissible, harmful to the user temperature can, as shown in FIG. 2 can be seen to be ensured by dimensioning the series resistor Rl.
  • various embodiments of the handset are shown in side view.
  • the body K is designed as a hollow body and the temperature-dependent resistor PTC as a truncated pyramid with two terminals Al, A2, wherein the pyramid is positioned by at least partial introduction of thermally conductive material M in the cavity of the heat-conducting body K.
  • the temperature-dependent resistor PTC is approximately a circular disk (commercially available form) and externally attached to the body K.
  • the component thus formed is introduced and fixed from the front into a receptacle of the housing G of the handset, in the second embodiment, the body K on the jacket an outwardly or inwardly directed circumferential profile P, in which a complementary profile the housing G engages (shown in dashed lines in FIG.
  • the housing G consists essentially of two plastic shells (not shown in the drawing) and to simplify the assembly, the first plastic half-shell of the housing G has a partition between the battery B and arranged therein components of the handset.
  • the second half-shell is divided, wherein the components of the handset enclosing first part of the second half-shell is connected by latching (and / or gluing) with the first half-shell.
  • the second part of the second half-shell is displaceably mounted in the first half-shell and engages behind the first part in a form-fitting manner.
  • the handset according to the invention comprises a light-emitting diode or lamp D, which is arranged behind a window F and wherein the window F is resiliently mounted (or spring-loaded) in a dome of the first half shell and on the inside at the same time a molded neck (For example, bar) for the actuation of the probe element T (shown in dashed lines in FIG.
  • the temperature-dependent resistor PTC is configured approximately as a circular disk with two terminals A1, A2, the temperature-dependent resistor PTC being in direct contact with the body K (FIG. 5a elliptical cross section, FIG.
  • the skin contact surface HK of the body K convex and with less material strength configured. Due to the structure of the temperature-dependent resistor PTC this is both to avoid short circuits - especially at the terminals Al and A2 - and to simplify the production of the body K as a rotating part - preferably as unilaterally open hollow cylinder - as well as to simplify the assembly perpendicular to the hollow cylinder glued by means of heat-conducting material M.
  • the adhesive is an epoxy resin with good thermal conductivity and low shrinkage that cures at ambient temperature.
  • the disk shape of the temperature-dependent resistor PTC causes a relatively high thermal resistance compared to the skin contact surface HK, whereby the heat energy arising in the temperature-dependent resistor PTC is primarily conducted to the skin contact surface HK.
  • the body K itself consists of a good heat-conducting metal (Cu or Al), which is preferably gold plated for reasons of biocompatibility at least on the skin contact surface HK and has a low roughness.
  • the heating of the affected area of the skin H which is decisive for the healing process, depends (as shown in principle in FIG.
  • the necessary skin temperature i. the effective range is reached within a short time of 20s -30s (energy saving) and it is ensured that in the static state temperatures of over 65 ° C are not reached (risk of burns).
  • the inventive vote of the individual components on the one hand, maximizes the heat flow into the affected region and losses are minimized, and on the other hand by targeted losses, the final temperature is limited, in particular by
  • the skin contact surface HK of the body K can also be made concave (advantageous in conjunction with humidified spot affected by an insect bite or bite); the skin contact area HK can not be partially coated thermally conductive (for example, annular); the body K can be made by molding the temperature-dependent resistor PTC as a plastic molding, which at the same time ensures a particularly effective heat dissipation, the housing / device is due to the few parts to be assembled fully automatically produced, inter alia.
  • the invention is not limited to the illustrated and described exemplary embodiments, but also includes all the same in the context of the invention embodiments. Furthermore, the invention is not yet limited to the feature combination defined in claim 1 or 10, but may also be defined by any other combination of certain features of all individually disclosed individual features. This means that in principle virtually every single feature of claim 1 or 10 can be omitted or replaced by at least one individual feature disclosed elsewhere in the application.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Finger-Pressure Massage (AREA)

Abstract

On connaît différentes configurations d'appareils manuels de traitement thérapeutique de la peau par apport de chaleur. Les appareils peu coûteux travaillent par rayonnement de chaleur. Dans la pratique, il n'existe cependant pas un appareil manuel qui travaille selon le principe de la conduction thermique, qui soit économique et apte à être placé sur la peau à traiter et qui, sans utiliser de sonde de température ou d'élément de commande et de régulation, permet malgré tout de traiter la peau dans une plage de température définie. Pour proposer à l'utilisateur un appareil manuel basé sur le principe de la conductivité thermique, aisé à manipuler et fabriqué à bas coût, l'appareil de traitement thermique selon l'invention de l'emplacement affecté par une piqûre ou une morsure d'insecte présente un corps (K) conducteur de la chaleur, placé dans le boîtier (G) de l'appareil manuel et apte à être mis en contact avec la peau (H) de l'utilisateur, une résistance qui dépend de la température en suivant une caractéristique positive (PTC), disposée sur ou dans le corps (K) conducteur de la chaleur et couplée thermiquement à ce dernier, un élément en touche (T) actionné manuellement par l'utilisateur et une source de tension électrique (B) disposée dans le boîtier (G) de l'appareil manuel, de sorte qu'en fonction de la durée d'actionnement de l'élément en touche (T) et des résistances au passage de la chaleur (RTHI, RTH2, RTH3) entre la résistance (PTC) qui dépend de la température, le corps (K) conducteur de la chaleur et la peau (H), le corps (K) conducteur de la chaleur peut être chauffé par l'énergie propre de la résistance (PTC) qui dépend de la température à une température située dans la plage comprise entre 50° C et 65° C sur la surface (HK) de contact avec la peau. L'appareil concerne le domaine des appareils médicaux.
EP07702615A 2006-01-13 2007-01-08 Appareil manuel et procede de traitement thermique d'un emplacement affecte par une piqure ou une morsure d'insecte Withdrawn EP1971301A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102006001889 2006-01-13
DE102006019552 2006-04-27
PCT/EP2007/000092 WO2007082648A1 (fr) 2006-01-13 2007-01-08 Appareil manuel et procede de traitement thermique d'un emplacement affecte par une piqure ou une morsure d'insecte

Publications (1)

Publication Number Publication Date
EP1971301A1 true EP1971301A1 (fr) 2008-09-24

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EP07702615A Withdrawn EP1971301A1 (fr) 2006-01-13 2007-01-08 Appareil manuel et procede de traitement thermique d'un emplacement affecte par une piqure ou une morsure d'insecte

Country Status (3)

Country Link
US (1) US20100179623A1 (fr)
EP (1) EP1971301A1 (fr)
WO (1) WO2007082648A1 (fr)

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DE102017006994A1 (de) 2017-07-24 2019-01-24 Stefan Hotz Koppelbare portable Vorrichtung zur thermisch - medizinischen Behandlung der Haut
TW202023486A (zh) 2018-09-05 2020-07-01 德商得瑪法公司 用於治療疱疹疾病之裝置
EP3620142A1 (fr) * 2018-09-05 2020-03-11 Dermapharm AG Dispositif de traitement des infections liées à l'éruption herpitiforme
EP3620141A1 (fr) * 2018-09-05 2020-03-11 Dermapharm AG Dispositif de traitement des infections liées au prurit et à l'éruption herpitiforme à l'aide d'un capteur de contact
CN217366261U (zh) * 2022-01-24 2022-09-06 中山市特莱斯电子有限公司 一种止痒器

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