[go: up one dir, main page]

WO2023026107A1 - Applicateur pour diathermie à capteur de température intégré - Google Patents

Applicateur pour diathermie à capteur de température intégré Download PDF

Info

Publication number
WO2023026107A1
WO2023026107A1 PCT/IB2022/055448 IB2022055448W WO2023026107A1 WO 2023026107 A1 WO2023026107 A1 WO 2023026107A1 IB 2022055448 W IB2022055448 W IB 2022055448W WO 2023026107 A1 WO2023026107 A1 WO 2023026107A1
Authority
WO
WIPO (PCT)
Prior art keywords
electrodes
nickel
couple
electrode
copper
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/IB2022/055448
Other languages
English (en)
Inventor
Riccardo GRATTACASO
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.)
Isola Research Lab Srl
Original Assignee
Isola Research Lab Srl
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 Isola Research Lab Srl filed Critical Isola Research Lab Srl
Publication of WO2023026107A1 publication Critical patent/WO2023026107A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N1/00—Electrotherapy; Circuits therefor
    • A61N1/40—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals
    • A61N1/403—Applying electric fields by inductive or capacitive coupling ; Applying radio-frequency signals for thermotherapy, e.g. hyperthermia
    • 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
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N7/00—Ultrasound therapy
    • A61N7/02—Localised ultrasound hyperthermia
    • 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
    • A61F2007/0094—Heating or cooling appliances for medical or therapeutic treatment of the human body using a remote control
    • 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
    • A61F2007/0095—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator
    • A61F2007/0096—Heating or cooling appliances for medical or therapeutic treatment of the human body with a temperature indicator with a thermometer

Definitions

  • the present invention relates to a diathermy applicator with integrated temperature sensor .
  • diathermy is a therapy consisting in increasing temperature of an inner body part by applying low-voltage and high-voltage current , magnetic waves or ultrasound thereto ; it is also used for the treatment of some rheumatic muscle diseases .
  • electric current heating occurs by means o f a physical phenomenon cal led Joule Ef fect .
  • the temperature which can be reached inside the tissues interested by diathermy has to be accurately monitored, in order to carry out an ef ficient and safe treatment ; very low temperatures would nulli fy in fact the treatment ef ficiency, while very high temperatures could cause damage to tissues .
  • the measuring which can be carried out is the one of the skin temperature at the application area, since it is not possible to carry out directly a temperature measuring inside the tissues .
  • CN107582235 describes a diathermy apparatus comprising a plurality of electrodes and a control system to apply a radiofrequency electric potential between the same , so to heat the body by diathermy to a temperature between 30 and 80 ° C .
  • GB460745 described a diathermy apparatus comprising a measuring circuit provided with a thermocouple , connected by means of a frequency filter to the winding to which the electrodes are connected . Another example is described in document
  • the present invention provides a diathermy applicator able to provide a skin temperature measuring in the area subj ected to application, which is more reliable than the measuring carried out with the devices known at the state of the art , and which does not require the installation on the applicator of other elements , other than the electrodes used for tissue electric stimulation .
  • the present invention realizes the prefixed aims since it is a diathermy device comprising an applicator (1) provided with at least a couple of electrodes (3, 4) and a control unit (2) , configured to apply a radiofrequency electric potential between the same, characterized in that each electrode (3, 4) of said at least one couple of electrodes comprises at least two portions (31, 32, 41, 42) realized in metal and/o metal alloys different from each other and electrically connected to each other.
  • Figures 1 and 2 show two schematic views of a diathermy applicator (1) and respective control unit ( 2 ) .
  • Figure 3 shows a view of a diathermy application by an operator on a patient.
  • the device according to the present invention is a diathermy device comprising an applicator (1) provided with at least a couple of electrodes (3, 4) and a control unit (2) , configured to apply a radiofrequency potential between the same.
  • the control unit (2) comprises control means as well, known per se at the state of the art, to allow the machine to be turned on and off, and to adjust the treatment intensity (applied potential and frequency) .
  • each electrode of said at least one couple of electrodes comprises at least two portions (31, 32, 41, 42) realized in metal and/or metal alloys, different from each other and electrically connected to each other.
  • the two electrodes (3, 4) are not electrically connected to each other, since they are used for the application of an electric potential, and instead there are connected to each other only: the first portion (31) of the first electrode (3) to the second portion (32) of the first electrode (3) , and the first portion (41) of the second electrode (4) to the second portion (42) of the second electrode (4) .
  • each electrode can be coated with an electrically and thermally conductive coating, in biocompatible material.
  • Each one of the two electrodes can act in this way: as application electrode of RE potential for therapy execution;
  • thermo-couple as skin temperature measuring thermo-couple.
  • the control unit (2) or the applicator (1) comprise also at least a reading circuit of the temperature detected by the electrodes, provided with compensation circuit (cold junction) and potential amplification circuit.
  • the device comprises a temperature reading circuit for each electrode, and between each electrode and respective thermo-couple reading circuit it is provided a low pass frequency filter, which avoids the possibility of radiofrequency potential passage towards the thermo-couple reading circuit.
  • each portion (31, 32, 41, 42) of each of said electrodes (3, 4) is shaped as a convex curve surface, and preferably as a spherical cap.
  • each portion (31, 32, 41, 42) of each of said electrodes (3, 4) is hollow inside, in order to decrease its own thermal inertia.
  • the control unit is configured to carry out cycles providing the steps of:

Landscapes

  • Health & Medical Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Public Health (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Radiology & Medical Imaging (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Measuring Temperature Or Quantity Of Heat (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Electrotherapy Devices (AREA)

Abstract

L'invention concerne un dispositif de diathermie comprenant un applicateur (1) muni d'au moins une paire d'électrodes (3, 4) et une unité de commande (2), configuré pour appliquer un potentiel électrique radiofréquence entre celles-ci, caractérisé en ce que chaque électrode (3, 4) de ladite au moins une paire d'électrodes comprend au moins deux parties (31, 32, 41, 42) réalisées en métal et/ou alliages métalliques différentes l'une de l'autre et électriquement connectées l'une à l'autre.
PCT/IB2022/055448 2021-08-27 2022-06-13 Applicateur pour diathermie à capteur de température intégré Ceased WO2023026107A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT102021000022388A IT202100022388A1 (it) 2021-08-27 2021-08-27 Applicatore per diatermia con sensore di temperatura integrato
IT102021000022388 2021-08-27

Publications (1)

Publication Number Publication Date
WO2023026107A1 true WO2023026107A1 (fr) 2023-03-02

Family

ID=78649783

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2022/055448 Ceased WO2023026107A1 (fr) 2021-08-27 2022-06-13 Applicateur pour diathermie à capteur de température intégré

Country Status (2)

Country Link
IT (1) IT202100022388A1 (fr)
WO (1) WO2023026107A1 (fr)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556416A (en) * 1975-07-11 1979-11-21 Leveen H Apparatus for applying radio frequency electrical power to a load
US5249585A (en) * 1988-07-28 1993-10-05 Bsd Medical Corporation Urethral inserted applicator for prostate hyperthermia
ITMI20082267A1 (it) * 2008-12-19 2010-06-20 R G M D S P A Dispositivo per diatermia
WO2018008023A1 (fr) * 2016-07-07 2018-01-11 Venus Concept Ltd. Appareil à usage esthétique utile pour accroître la régénération de la peau et procédés associés
EP3320951A1 (fr) * 2016-11-11 2018-05-16 Winform Medical Engineering S.r.l. Pièce à main d'application améliorée pour traitements thérapeutiques et/ou cosmétiques
EP3632506A1 (fr) * 2017-05-29 2020-04-08 Sanchez Jaime, Maria del Pilar Accessoire actif intracavitaire

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB460745A (en) 1936-03-27 1937-02-03 Fed Telegraph Co Apparatus for diathermic treatment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1556416A (en) * 1975-07-11 1979-11-21 Leveen H Apparatus for applying radio frequency electrical power to a load
US5249585A (en) * 1988-07-28 1993-10-05 Bsd Medical Corporation Urethral inserted applicator for prostate hyperthermia
ITMI20082267A1 (it) * 2008-12-19 2010-06-20 R G M D S P A Dispositivo per diatermia
WO2018008023A1 (fr) * 2016-07-07 2018-01-11 Venus Concept Ltd. Appareil à usage esthétique utile pour accroître la régénération de la peau et procédés associés
EP3320951A1 (fr) * 2016-11-11 2018-05-16 Winform Medical Engineering S.r.l. Pièce à main d'application améliorée pour traitements thérapeutiques et/ou cosmétiques
EP3632506A1 (fr) * 2017-05-29 2020-04-08 Sanchez Jaime, Maria del Pilar Accessoire actif intracavitaire

Also Published As

Publication number Publication date
IT202100022388A1 (it) 2023-02-27

Similar Documents

Publication Publication Date Title
US6113593A (en) Ablation apparatus having temperature and force sensing capabilities
EP2563254B1 (fr) Appareil pour réguler la température d'un tissu
US4016886A (en) Method for localizing heating in tumor tissue
US6582425B2 (en) Electrode having composition-matched, common-lead thermocouple wire for providing multiple temperature-sensitive junctions
KR100946188B1 (ko) 코일을 이용한 온열침/뜸 가열장치
US20010014802A1 (en) Medical device having temperature sensing and ablation capabilities
EP3189805B1 (fr) Unité de traitement de saisie, instrument de traitement de saisie, et système de traitement de saisie
CN111511317B (zh) 家用的用于个性化皮肤处理的设备和系统
JP2019521815A5 (fr)
JP6178566B2 (ja) 高周波美容処理装置
GB2333455A (en) Sensing and indicating temperature
CN108742827A (zh) 新型肿瘤热疗设备及其控制方法
EP1946613A2 (fr) Système et dispositif destinés à chauffer ou a refroidir des dispositifs chirurgicaux à mémoire de forme
JP2021511167A (ja) 熱抵抗式ヒーター
WO2023026107A1 (fr) Applicateur pour diathermie à capteur de température intégré
CN112826151A (zh) 一种涡流发热体和气溶胶发生装置
CN111728691B (zh) 导管型热消融治疗器械及其接触情况检测方法
CN107157573A (zh) 一种极间放电的标测消融导管及消融装置及装置使用方法
CN115245627A (zh) 美容仪及其控制方法
KR100649452B1 (ko) 유도가열식 온침 발열치료기
KR100686253B1 (ko) 한방용 온침
Alba-Martínez et al. Mathematical models based on transfer functions to estimate tissue temperature during RF cardiac ablation in real time
JP6646992B2 (ja) 超音波治療器
CN219803785U (zh) 一种微波消融针
US20240272660A1 (en) System and method to measure temperature and generate heat using a resistive material

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22737528

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22737528

Country of ref document: EP

Kind code of ref document: A1