JPWO2021137094A5

JPWO2021137094A5 -

Info

Publication number: JPWO2021137094A5
Application number: JP2022540519A
Authority: JP
Publication date: 2023-12-26

Claims

A device for applying an alternating current electric field to a subject's body,
a plurality of electrode elements;
a support configured to hold the electrode element against the subject's body;
a plurality of thermistors, each thermistor having a first terminal and a second terminal, each of the thermistors positioned to sense temperature at a corresponding respective one of the electrode elements; a plurality of thermistors,
a connector having a plurality of first pins and a plurality of second pins;
a plurality of first conductors, each of which connects (a) a respective one of said first pins; (b) a respective one of said electrode elements; and (c) a respective one of said thermistor. a plurality of first conductors that realize a conductive path between the first terminal;
a second conductor providing a conductive path between the second pin and the second terminal of at least one of the thermistors.

2. The apparatus of claim 1, wherein the second terminals of all the thermistors are wired together.

5. The second terminals of all the thermistors are wired together using at least one of (a) at least one trace on a flex circuit and (b) at least one wire. 2. The device according to 2.

the plurality of thermistors are arranged in series, starting with a first of the thermistors and ending with the last of the thermistors, the second of each of the thermistors excluding the last thermistor; are connected to the first terminal of each subsequent thermistor, and the second conductor is electrically conductive between the second pin of the connector and the second terminal of the last thermistor. 2. The device according to claim 1, for realizing a route.

2. The apparatus of claim 1, wherein the second conductor provides a conductive path between the second pin and the second terminal of only one of the thermistors.

2. The apparatus of claim 1, wherein the plurality of electrode elements comprises at least four electrode elements and wherein the plurality of thermistors comprises at least four thermistors.

2. The apparatus of claim 1, wherein the plurality of electrode elements comprises at least nine electrode elements and wherein the plurality of thermistors comprises at least nine thermistors.

Each of the electrode elements comprises a conductive plate and a dielectric layer disposed on the conductive plate, and the dielectric layer of each of the electrode elements faces the subject's body. 2. The apparatus of claim 1, wherein a support is configured to hold the electrode element against the subject's body.

The second terminals of all the thermistors are wired together, and the second conductor provides a conductive path between the second pin and the second terminal of all the thermistors. The device according to item 1.

An apparatus for applying an alternating current electric field to a subject's body using a plurality of electrode elements, each of the plurality of electrode elements being disposed in thermal contact with a respective thermistor;
an AC signal generator that generates an AC output signal;
a connector including a plurality of pins, each pin corresponding to a respective one of the plurality of electrode elements;
a first plurality of switches, each of the first plurality of switches configured to either selectively apply or not apply the AC output signal to a respective one of the pins; a first plurality of switches;
an amplifier configured to accept an electrical signal from each of the thermistors and generate a corresponding output, the electrical signals from the thermistor arriving via the same pin corresponding to the plurality of electrode elements; an amplifier,
a controller configured to control the first plurality of switches to individually adjust the duty cycle of the AC signal applied to each of the plurality of pins based on the output of the amplifier; A device comprising:

the controller (a) determines when at least one of the electrode elements is hotter than another electrode element based on the output of the amplifier; and (b) applies the 11. The apparatus of claim 10, configured to control the first plurality of switches to reduce the duty cycle of an AC signal.

The controller (a) determines when at least one of the electrode elements is hotter than a threshold level based on the output of the amplifier; and (b) applies the AC signal to at least one respective pin. 11. The apparatus of claim 10, configured to control the first plurality of switches to reduce the duty cycle of .

11. The apparatus of claim 10, wherein the plurality of electrode elements comprises at least four electrode elements, the plurality of pins comprises at least four pins, and the first plurality of switches comprises at least four switches.

11. The apparatus of claim 10, wherein the plurality of electrode elements comprises at least nine electrode elements, the plurality of pins comprises at least nine pins, and the first plurality of switches comprises at least nine switches.

further comprising a second plurality of switches each arranged to route a signal from a respective one of the plurality of pins to a first input of the amplifier;
10. The controller is further configured to control the second plurality of switches to sequentially select each of the plurality of pins and sequentially obtain a temperature reading from each of the thermistors. The device described in.

the connector includes additional pins;
16. The apparatus of claim 15, further comprising an additional switch arranged to route a signal from the additional pin to a second input of the amplifier.

further comprising a third plurality of switches each arranged to route a signal from a respective one of the plurality of pins to the additional pin;
5. The controller is further configured such that when a given switch from the first plurality of switches is open, the controller closes a respective corresponding switch from the third plurality of switches. 16. The device according to 16.

a second plurality of switches each arranged to route a signal from a respective one of the plurality of pins to a first input of the amplifier;
a third plurality of switches each arranged to route a signal from a respective one of the plurality of pins to a second input of the amplifier;
the controller sequentially routes signals from the plurality of pin pairs corresponding in turn to both terminals of each of the thermistors to the first and second inputs of the amplifier; 11. The apparatus of claim 10, further configured to control the second plurality of switches and the third plurality of switches to sequentially obtain readings.