WO2024141959 - REDUCING ELECTROSENSATION DURING APPLICATION OF ALTERNATING ELECTRIC FIELDS BY ENSURING THAT SUCCESSIVE INCREASES IN AMPLITUDE OCCUR DURING OPPOSITE PHASES OF AN AC WAVEFORM
National phase entry:
Publication Number
WO/2024/141959
Publication Date
04.07.2024
International Application No.
PCT/IB2023/063298
International Filing Date
28.12.2023
Title **
[English]
REDUCING ELECTROSENSATION DURING APPLICATION OF ALTERNATING ELECTRIC FIELDS BY ENSURING THAT SUCCESSIVE INCREASES IN AMPLITUDE OCCUR DURING OPPOSITE PHASES OF AN AC WAVEFORM
[French]
RÉDUCTION DE L'ÉLECTROSENSATION PENDANT L'APPLICATION DE CHAMPS ÉLECTRIQUES ALTERNATIFS EN ASSURANT QUE DES AUGMENTATIONS SUCCESSIVES D'AMPLITUDE SE PRODUISENT PENDANT DES PHASES OPPOSÉES D'UNE FORME D'ONDE DE CA
Applicants **
NOVOCURE GMBH
Inventors
WASSERMAN, Yoram
BEN-TOV KUPERBERG, Mor
SHTOTLAND, Michael
Priority Data
63/436,034
29.12.2022
US
Application details
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International Searching Authority |
EPO
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| Recordal of a Change of the Applicant's Name/Address |
Change of Applicant's Name and Address
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| Type of Assignment |
The Standard Agent's Assignment
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| Applicant's Legal Status |
Legal Entity
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| Entry into National Phase under |
Chapter I
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| Patent Delivery |
Send the Letters Patent by Courier
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| Translation |
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Quotation for National Phase entry
| Country | Stages | Total | |
|---|---|---|---|
| China | Filing, Examination, Granting | 2171 | |
| EPO | Filing, Examination, Granting | 10806 | |
| Japan | Filing, Examination, Granting | 2358 | |
| South Korea | Filing, Examination, Granting | 2325 | |
| USA | Filing, Examination, Granting | 4740 |
Total:
22,400
The term for entry into the National Phase has expired. This quotation is for informational purposes only
Abstract[English]
When transducer arrays (i.e., arrays of electrode elements) are used to apply alternating electric fields to a subject's body, the subject may experience electrosensation, particularly during portions of the waveform where the amplitude of the AC voltage is ramping up. This electrosensation can be ameliorated by synchronizing the step-to-step transitions in amplitude with the AC signal so that when a given step-to-step transition occurs while the AC signal has a given polarity, the very next step-to-step transitions will occur while the AC signal has the opposite polarity.[French]
Lorsque des réseaux de transducteurs (c'est-à-dire des réseaux d'éléments d'électrodes) sont utilisés pour appliquer des champs électriques alternatifs au corps d'un sujet, le sujet peut subir une électrosensation, en particulier pendant des parties de la forme d'onde où l'amplitude de la tension alternative augmente. Cette électrosensation peut être améliorée en synchronisant les transitions pas-à-pas en amplitude avec le signal de CA de telle sorte que lorsqu'une transition pas-à-pas donnée se produit tandis que le signal de CA a une polarité donnée, les toutes prochaines transitions pas-à-pas se produiront tandis que le signal de CA a la polarité opposée.