JPH0596015A - Electromagnetic wave thermotherapic device - Google Patents

Abstract

PURPOSE:To provide the electromagnetic thermotherapic device which can occasionally vary a set target temp. without interrupting heating and can make safe and efficient thermotherapy. CONSTITUTION:This electromagnetic thermotherapic device has a heating start condition setting means which sets conditions including the heating temp. at the time of starting heating by electromagnetic waves, a main control means 2 which starts the control of the thermotherapy by an output control means in accordance with the output of the heating start condition setting means and a temp. setting varying means which can arbitrarily vary the heating temp. conditions set by the heating start condition setting means 105 regardless of the operation of the main control means.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electromagnetic wave thermotherapy apparatus for irradiating an affected part with an electromagnetic wave to perform thermotherapy.

[0002]

2. Description of the Related Art Conventionally, there has been known an electromagnetic wave thermotherapy apparatus which heats a diseased part by irradiating the affected part with an electromagnetic wave to heat the affected part. For example, as shown in U.S. Pat. No. 4,884,580, this is to oscillate an electromagnetic wave from an electromagnetic wave oscillator as an electromagnetic wave generating means, and a target temperature is set in advance before heating the affected area. The output of electromagnetic waves is controlled so that the affected area is heated to the target temperature.

[0003]

By the way, in the conventional electromagnetic wave thermotherapy apparatus, the target temperature set before heating cannot be changed after the start of heating. In other words, if you want to change the set target temperature in order to provide safe and efficient treatment depending on the condition of the affected area or the condition of the patient, you cannot change the set target temperature without interrupting heating. Was becoming.

The present invention has been made in view of the above circumstances, and an object of the present invention is to set a target temperature at any time without interrupting heating, and to provide safe and efficient heating. An object of the present invention is to provide an electromagnetic heat treatment device capable of performing treatment.

[0005]

In order to solve the above-mentioned problems, the present invention provides an electromagnetic wave generating means for generating an electromagnetic wave for heating a heated region, and a temperature for setting a heating temperature of the heated region. Setting means, temperature measuring means for measuring the temperature of the portion to be heated, and output for controlling the output of the electromagnetic wave generating means based on the comparison result of the set output of the temperature setting means and the measured output of the temperature measuring means. An electromagnetic wave thermotherapy device for controlling thermal output by controlling the output of an electromagnetic wave so that the temperature of the part to be heated is heated to a set predetermined temperature. Warming start condition setting means for setting conditions including the heating temperature at the time, main control means for starting control of warming treatment by the output control means based on the output of the warming start condition setting means, and the main Operation of control means It is obtained; and a freely changeable temperature setting changing means the set heating temperature by the heating start condition setting means independently.

[0006]

[Operation] If the heating start condition set in advance, especially the heating temperature is desired to be changed during heating, without interrupting the heating,
It can be changed by the temperature setting changing means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1A, an electromagnetic wave thermotherapy device 1 of the present embodiment is a microwave thermotherapy device for performing thermotherapy with microwaves, and is a device main body 2 and a data processing device for performing data processing. 3, a MW applicator 8 that is inserted into the living body and irradiates a heated site with microwaves (hereinafter, referred to as MW), and a cooling water recirculation device that recirculates cooling water in the MW applicator 8. I have it.

FIG. 2 shows the overall circuit configuration of the electromagnetic wave thermotherapy apparatus 1. As illustrated, the electromagnetic wave thermotherapy device 1 includes a temperature sensor unit 102, a temperature measuring unit 103, a temperature control unit 104, a temperature setting input unit 105 for setting and inputting a target temperature, and a measured temperature display unit 10.
6, a temperature control system 101 configured by a set temperature display unit 107, a relay circuit unit 108 that controls the operation timing of the system of the electromagnetic wave thermotherapy device 1, an MW oscillating unit 109 that outputs an MW wave, and a temperature. The data processing unit 3 for monitoring and recording the data, the timer unit 136, and the end notification unit 141 for notifying the end of the operation are mainly configured, and the data processing unit 3 and the MW applicator 8 are provided in the apparatus main body 2. And all circuits except power supply (commercial) 100 are housed.

The temperature information of one or more channels (three channels in this embodiment) obtained by the temperature sensor unit 102 is converted into temperature signals by the temperature measuring unit 103. These temperature signals are fetched by the data processing unit 3 and subjected to data processing, and at least one channel signal of the temperature signals is compared with the set temperature from the temperature setting input unit 105 in the temperature control unit 104. .. Then, the temperature control unit 104 outputs the MW output signal and the danger stop signal to the relay circuit unit 108 based on the comparison result.

On the other hand, at least two (three in the present embodiment) insulating transformers 111 are provided so as to supply an output voltage such that the MW output has a predetermined value.
Has an output terminal of. The isolation transformer 111 can select one of these output terminals and apply a voltage to the step-up transformer 112. The MW oscillator 109 includes a voltage boosted by the step-up transformer 112 and the step-down transformer 1.
It operates by the voltage stepped down at 13. The relay circuit unit 108 includes the isolation transformer 111 and the step-up transformer 1.
It controls the power relay 114 between 12 and turns ON / OFF the output of the MW.

Next, the temperature controller 104 will be described with reference to FIG. 3A is a block diagram of the temperature control unit 104, and FIG. 3B is a time chart thereof. As shown in FIG. 3A, the temperature control unit 10
Reference numeral 4 designates a temperature signal input from the temperature measuring unit 103, and a signal amplifying unit 115 for amplifying the temperature signal, an insulating unit 116 for insulation, and a temperature setting by an input signal from the temperature setting input unit 105. Temperature setting unit A12
3, a comparison unit A117 that compares the set temperature set in the temperature setting unit A123 with the measured temperature (1 channel) and outputs a signal, and the timing of switching the output signal,
That is, the adjusting unit 124 that adjusts the allowable range a (see FIG. 3B) of the set target temperature, and the temperature setting unit A
Temperature setting section B for automatically setting temperature by 123
118, a comparison unit B119 that outputs a signal by comparing the set temperature set in the temperature setting unit B118 with the measured temperature (1 channel), and the output signal from the comparison unit A117 is input to output the MW output signal. A MW output signal output unit 120 for outputting, a danger signal output unit 121 to which an output signal from the comparison unit B119 is input and which outputs a danger signal, and measured temperature data (3 channels) to the data processing device 3
And a temperature data output unit 122 for transmitting the The temperature data of one channel for temperature control is displayed on the measured temperature display unit 106.

Next, the operation of the temperature controller 104 will be described. The three-channel temperature signal from the temperature measuring unit 103 is amplified / isolated or only amplified in the signal amplifying unit 115 and the insulating unit 116, and one channel of the temperature signal is input to the comparing unit A117 and the comparing unit B119. It is displayed on the measured temperature display unit 106. on the other hand,
The temperature setting unit A123 sets the target temperature by the input signal from the temperature setting input unit 105, and sends the output signal of this temperature setting to the comparison unit A117.

The output of the comparison section A117 is determined by the above two input signals, that is, the temperature signal from the temperature control section 104 and the output signal from the temperature setting section A123, and the MW output signal output section is a signal that controls the output of the MW. 1
It is output from 20.

Output signal switching timing (HIG
The timing of H and LOW), that is, the allowable range a of the target temperature is set by the adjusting unit 124. As shown in FIG. 3B, HIGH and LOW are switched within a width a ° C. set by the adjusting unit 124 with the target temperature substantially at the center.

The setting signal of the temperature setting section A123 is input to the comparing section A119 and the temperature setting section B118. The temperature setting unit B118 outputs the signal to the dangerous stop signal output unit 121 as a dangerous temperature which is a temperature obtained by adding the temperature difference b ° C. to the target temperature set by the temperature setting unit A123. For example, when the target temperature is 40 ° C., b = 15
If set to ℃, the dangerous temperature is automatically set to 55 ℃. Furthermore, the target temperature is set to 5 by the temperature setting input unit 105.
When the temperature is slid to 0 ° C, the dangerous temperature automatically slides. At this time, the dangerous temperature is set to be half the increase of the target temperature slide increase amount (10 ° C.), that is, 60 ° C. Of course, it is possible to change this rate of increase.

The signal of the temperature set by the temperature setting unit B118 as described above is input to the comparison unit B119.
The output of the comparison unit B119 is determined by the measured temperature (1 channel) and the signal from the temperature setting unit B, and is output from the dangerous stop signal output unit 121 as a signal for controlling the dangerous stop.
The temperature data measured was used for temperature control.
All the channels including the channels are output from the temperature data output unit 122.

Next, the relay circuit section 108 will be described with reference to FIGS. 4 and 5. FIG. 4 shows the relay circuit section 1
08 is a block diagram, and FIG. 5 is a time chart thereof. As shown in FIG. 4, the relay circuit unit 108 is
MW output signal input section 127 and dangerous stop signal input section 128
A temperature signal input unit 126, a dangerous stop signal holding unit 129 that holds a dangerous stop signal, a MW output prohibiting unit 130 that prohibits MW output, and a magnetron 109 (see FIG. 6) as an MW oscillating unit. A magnetron control contact part 131 composed of a plurality of contacts to be controlled, a heating start signal holding part 132 holding a heating start signal, and an F _sw contact part 133 operating in conjunction with a foot switch (F _sw ) 143.
The R _sw contact portion 134 that operates in conjunction with the reset switch (R _sw ) 144, the timer control unit 135 that generates a constant pulse regardless of the time when the switch is pressed, and controls the timer, and the timer unit 136. A timer control contact portion 137 for controlling, a magnetron ON / OFF control portion 138, a heating start / stop and a data processing portion 1
It is composed of an F _sw contact portion 140 that interlocks 10 with each other.

Next, the operation of the relay circuit section 108 will be described. MW output signal output unit 1 in temperature control unit 104
20 and the signal output from the dangerous stop signal output unit 121 are the MW output signal input unit 127 and the dangerous stop signal input unit 1 of the temperature signal input unit 126 in the relay circuit unit 108.
28 is input.

When a signal is input to the dangerous stop signal input section 128 even for a moment, the dangerous stop signal holding section 129 holds the dangerous stop signal, and the MW output prohibiting section 130 opens one of the contacts of the magnetron control contact section 131. Then, the dangerous temperature display portion 145 is turned on. All other contacts are closed. When the dangerous stop signal holding unit 129 holds the dangerous stop signal, the MW is output even though the MW output signal output unit 120 outputs an output signal, as shown in FIG. 3B. Not done. In this case, the output of the heating start signal is also stopped, but the reset switch (R _sw ) 14
_Return to the initial state by 4 and foot switch (F _sw ) 1
43 or START / STOP switch (P _sw ) 1
By pressing 42, the output of the heating start signal is restarted.

When the MW output signal input section 127 receives an ON signal from the MW output signal output section 120, one of the contacts of the magnetron control contact section 131 is closed. Also, S
When the TART / STOP switch (P _sw ) 142 or the foot switch (F _sw ) 143 is pressed, the F _sw 143 is F _sw.
The fact that the switch has been pressed is transmitted to the timer control unit 135 via the contact unit 133.

The timer control section 135 outputs one pulse irrespective of the time for pressing each switch. That is, it is determined that the button is pressed once as long as the button is kept pressed.
The output signal of the timer control unit 135 opens and closes the contact of the timer control contact unit 137, which allows the timer unit 136 to operate and the end notification unit 141 to notify the end of heating by light or sound. it can.
Further, the magnetron ON / OFF control unit 138 closes the contact of the magnetron control contact unit 131 by the functions of the timer control unit 135 and the timer control contact unit 137.

When P _sw 142 or F _sw 143 is pressed, a signal for holding the heating state is output by the heating start signal holding section 132, and the heating state of the timer control contact section 137 is held.

Magnetron ON / OFF control unit 138
Is F _sw so that it is linked to the start / stop of heating.
A signal is also output to the interlocking control unit 139, so that the F
The control signal from the _sw interlocking contact unit 140 is _sent to the signal cable 31.
It is sent to the data processing unit 3 via (see (b) of FIG. 1) and is linked with the timing of taking in the data of the data processing unit 3.

When the reset switch (R _sw ) 134 is pressed, the heating start signal holding section 132 and the timer control section 13
5 and the F _sw interlocking control unit 139 is reset. As a result, the timer unit returns to the initial state, and the heating state and the temperature measuring state of the data processing unit 3 are finished.

The magnetron control contact 131 is
During the set time of the timer, the MW output signal input unit 1
The ON signal from the MW output signal output unit 120 is input to 27 to close the contacts, and further the contacts are closed by the signal from the magnetron ON / OFF control unit 138, that is, all three contacts are closed. Thus, the power relay 114 can be operated for the first time to cause the MW oscillator to oscillate microwaves. Further, in FIG. 5, the timer control contact portion A is
The part that controls the timer time, the timer control contact B
Is the part that controls the interruption of the timer. Further, in FIG. 5, the first stop of the MW output is caused by the heating temperature reaching the upper limit of the target temperature. Next, the arrangement configuration of the main parts in the apparatus main body 2 will be described with reference to FIG.

The subscript 201 is a front panel portion of the apparatus main body 2. As shown in FIG. 1A, the front panel unit 201 is provided with an ON / OFF switch for the power source of the apparatus main body 2.
A main switch 202 for performing F, an emergency stop switch 203 for cutting off the power supply to stop the MW oscillation in an emergency, a timer unit 136 for stopping the output of the MW after the treatment time (timer time), and lights up when the MW is output. Turns off when MW output is stopped and displays the MW oscillation status. M
The W power lamp 205, the set temperature display unit 107, the measured temperature display unit 106, the temperature setting input unit 105, the MW output connector 209 for outputting the MW to the outside of the apparatus main body 2, and the like are attached. Although not shown, the various parts described above are also attached.

The subscript 206 is a rear panel portion.
As shown in FIG. 1B, the rear panel 206 has a power supply inlet 207 for inputting the commercial power supply 100 to the apparatus main body 2, an MW output switch 208 for switching the output of the MW, and a power supply for an external device. A power output unit 209 for supplying power, a breaker 210 for cutting off the power supply from the power output unit 209 when an abnormal current flows to an externally connected device, and the like are attached. Of course, although not shown, it goes without saying that the various parts described above are also attached.

Inside the apparatus body 2, the apparatus body 2
Line filter 211 for power supply, which reduces noise coming to the commercial power supply 100 input to the
11, step-up transformer 112, step-down transformer 113, MW
A power supply circuit 213, a temperature control unit 104, a temperature measurement unit 103, and a relay circuit unit 108, which generate a voltage required to supply power to the oscillator 109, circuits inside the apparatus body 2, and the like.
A control unit 212 including a power relay 114 and a power relay 114 are disposed.

Next, the arrangement of each part in the apparatus main body 2 and the wiring between each part will be described. First, the solid line shown in the apparatus main body 2 indicates the wiring on the primary side, and is concentrated on the left side of the apparatus main body 2.

A power line filter 211 is arranged in front of the power input inlet 207, and the power input inlet 207 and the power line filter 211 are arranged.
The input side of is connected by a wire.

A main switch 202 and an emergency stop switch 203 are attached to the left side of the front panel portion 201, and the power line filter 211 and the main switch 202, and the main switch 202 and the emergency stop switch 203 are connected by electric wires. At the same time, the emergency stop switch 203 and the insulating transformer 111 are also connected by an electric wire. The insulating transformer 111 is arranged immediately in front of the power line filter 211.

That is, the power supply on the primary side is input to the power supply inlet 207, and the power supply line filter 21
1, input to the isolation transformer 111 via the main switch 202 and the emergency stop switch 203. Further, the alternate long and short dash line shown in the device body 2 indicates the wiring on the secondary side, and is concentrated on the right side of the device body 2.

All of the secondary side power is output from the insulating transformer 111, and if necessary, the breaker 210, the power output unit 209, the MW output changeover switch 208, the power relay 114, the power circuit 212, the step-up transformer 112,
It is supplied to the step-down transformer 113, and the outputs of the step-up transformer 112 and the step-down transformer 113 are input to the MW oscillator 109.

Further, the output of the insulation transformer 111 and the output of the power supply circuit 212 are supplied to each component of the front panel section 201. The temperature control unit 104, the temperature measuring unit 103, and the relay circuit unit 108 are mounted on the power supply circuit 212, and power is supplied from the power supply circuit 212. The MW oscillating unit 109 is arranged in front of the isolation transformer 111, and all the parts on the secondary side are isolated transformer 111.
It is also arranged on the right side of the MW oscillator 109.

By arranging the respective parts in the apparatus main body 2 and the wiring between the respective parts as described above, the wirings on the primary side and the secondary side may cross or approach each other. The noise on the primary side will not be directly on the line on the secondary side. Further, this can improve the counter voltage between the primary side and the secondary side and prevent the leakage current between the lines on the primary side and the secondary side, and when the wiring is exposed, the primary It is possible to prevent a short circuit between the side and the secondary side, that is, the patient and the circuit.

Next, the MW oscillator 109 will be described with reference to FIG. As shown in FIG. 7A, the MW oscillator 109 includes a magnetron body 215 that oscillates a MW having a predetermined frequency, and a MW output that is a magnetron body 215.
Coaxial cable 21 that is taken out from the package and sent to the applicator 8
6, an insulating member 217 for attaching the magnetron body 215 to the apparatus body 2, a screw 218 for fixing the magnetron body 215 and the insulating member 217, and an insulating member 21.
7 for fixing the device 7 and the device body 2 ((b) of FIG. 7)
(See) and.

The insulating member 217 is provided with a counterbore 220. The magnetron body 215 is fixed by a screw 218 passing through the counterbore 220, and the insulating member 217 is installed as shown in FIG. 7B. Screw 21 for body 2
It is fixed at 9.

In the figure, a distance a is a spatial distance between the screw 218 and the apparatus main body 2, distances b and c are distances between the screw 220 and the magnetron main body 215, and both are IEC.
/ SC62A is set according to the medical safety standard.

By fixing the MW oscillator 109 to the apparatus body 2 as described above, the magnetron body 215 is insulated from the apparatus body 2. As a result, the portion that comes into contact with the patient is reliably insulated from the ground, and even if the applicator 8 is damaged, the patient will not receive an electric shock.

Next, a device main body 2 constituting the electromagnetic wave thermotherapy device 1, a data processing device 3, an applicator 8,
Details of the cooling water recirculation device and connections between these devices will be described with reference to FIG.

As shown in FIG. 1A, the front panel portion 201 of the apparatus main body 2 has an MW output terminal 209 for outputting MW and a thermocouple input terminal 6 for connecting the thermocouple sensor 9. It is provided. At the MW output terminal 209,
The applicator 8 is connected directly or via the MW relay cable 7. One or more (three in the present embodiment) thermocouple sensors 9 are connected to the thermocouple input terminals 6 either directly or via compensation leads.

The measured temperature of one channel of the thermocouple sensor 9 is displayed on the measured temperature display section 106. The target temperature to be heated is displayed on the set temperature display unit 107. The target temperature can be set by the temperature setting input unit 105. Further, the heating time is displayed and set by the timer 136.

Start / interruption of heating is done by START / STO
This is performed by the P switch 142 (hereinafter, P _sw ) or the foot switch 143 (hereinafter, F _sw ). Foot switch 143
Is connected to the foot switch terminal 16.

Further, the front panel portion 20 of the apparatus main body 2
1, a reset switch 144 (hereinafter, R _sw ) for resetting the timer 136 and returning the apparatus 1 to the standby state,
MW POWER that lights up when MW is output
A lamp 205, an end lamp 19 that lights up when the heating time set by the timer 136 ends, and a danger lamp 20 that lights up when a dangerous temperature is reached or the thermocouple sensor 9 is disconnected. .. In addition, an emergency stop switch 203 for urgently stopping the entire system
(Hereinafter, E _sw ) and the main switch 202 of the apparatus main body 2
(Hereinafter, M _sw ) is provided.

As shown in FIG. 1B, a power input input 207 to which electric power is supplied from a power (commercial) 100 is provided on the back surface of the apparatus main body 2, and the power input inlet 207 is provided at the power input inlet 207. A 3-pin power cable 24 is connected. The electric power from the power supply (commercial) 100 is output from the power supply output inlet 209 as a service power supply for the data processing device 3 after passing through the insulating transformer 111, and is sent to the data processing device 3 by the power cable 26.

The fuse 27 is connected to the power (commercial) line and the breaker 210 is connected to the service power supply.
Is provided. The MW output is switched by the MW output changeover switch 208. Further, the data from the device body 2 is transmitted to the data processing unit 3 via the signal output terminal 30 and the signal cable 31 connected to the signal output terminal 30. Next, a case of performing heat treatment using the electromagnetic wave heat treatment device 1 will be described with reference to FIGS. 1 and 8.

The output of the MW can be switched in at least two steps by the MW output selector switch 208 (see FIG. 1). As shown in FIG. 8, the MW is emitted from the antenna section 32 near the tip of the applicator 8. To be done. For example, in the transurethral anterior hyperthermia treatment (FIG. 8) in which the anterior line is heated transurethrally, the tip of the applicator 8 is fixed so that the antenna part 32 can be fixed at the position of the anterior line 33. A balloon 35 is provided and the applicator 8 is positioned and fixed in the bladder 34 by inflating the balloon 35.

In the transurethral anterior hyperthermia treatment,
It is necessary to prevent the urethral mucosa 36 from being burned at the same time as heating the 33 parts of the erect line. To prevent this burn, cooling water is circulated to the applicator 8. The cooling water recirculation device 4 recirculates the cooling water in the applicator 8, and uses a roller pump or an infusion set for a fixed amount, for example, 7 ml / m 2.
The cooling water in can be circulated. Of course, it is possible to change the flow rate during heating. By heating while cooling in this way, the mucous membrane 36 in contact with the applicator 8
It is possible to lower the temperature of and to increase the temperature inside the front line 33.

In order to control the front line 33 to a certain temperature,
A thermocouple sensor 9 is built in the vicinity of the antenna 32 of the applicator 8. For example, one of the sensors 9 is located at the center of heating and the other is located at the external sphincter 37. The thermocouple sensor 9 is connected to the thermocouple input terminal 6, but one channel of the thermocouple input terminal 6 is for control. That is, temperature control is performed by the temperature of the thermocouple 9 connected to one channel. The measured temperature of this one channel can be constantly monitored on the temperature display panel 10. For example, this one
The thermocouple 9 attached near the heating center is connected to the channel, and the thermocouple 9 attached near the external sphincter is connected to the 2nd or 3rd channel. On the other hand, the control temperature is set by rotating the temperature setting input unit 105. The target temperature is displayed on the set temperature display unit 107. The target temperature may be set by looking at the set temperature display unit 107.

For example, the target temperature is 39 ° C. and the ring flow rate is 7 ml / m.
When heated with in and MW output of 30 W, when the surface temperature of the mucous membrane 36 is 39 ° C., the inner temperature of the front line is heated to 42 to 43 ° C. For the temperatures of channels 1 to 3, the data processing device 3 can monitor the current temperature as a number and the time change as a graph.

The heating time is set by the timer 136, and heating is started by P _sw 142 or F _sw 143. If you press P _sw 142 or F _sw 143 before the set time ends,
Heating is interrupted. When P _sw 142 or F _sw 143 is pressed again, heating is restarted while the timer continues. During MW output, the MW POWER lamp 205 indicating that is turned on. When the temperature of the temperature measuring unit (channel 1) reaches the target temperature, the MW output is turned off and the MW POWER
The lamp 205 goes out. When the set time ends, the end lamp 19 lights up and the output of the MW is stopped. When it is desired to _reheat or return the timer 136 to the initial state for heating, R _sw 144 is pressed and P _sw 142 or F _sw is pressed.
All you have to do is press 143.

After observing the condition of the patient and the state of temperature rise after the start of heating, even if it is desired to change the set temperature during heating, the temperature can be checked on the set temperature display 107 without interrupting the heating. It can be changed by the setting input unit 105.

The apparatus main body 2 has a MW when the dangerous temperature is reached.
Stop the output of. This dangerous temperature is automatically set at the same time when the target temperature is set. For example, the target temperature is 40 ° C,
If the temperature control circuit inside the device body 2 is set so that the dangerous temperature becomes 55 ° C, if the measured temperature (1 channel) becomes 55 ° C or more, the device body 2 will be heated more than that. The output of the MW is completely stopped so that the danger lamp 20 does not light up. Even if the temperature falls below 55 ° C, MW is not output.

Once the set value of the dangerous temperature is set to the target temperature, the dangerous temperature is automatically shifted with respect to the shift of the target temperature. Further, even when the thermocouple 9 of one channel for temperature control is disconnected or forgotten to be used for heating, the same operation as above is performed and the output of the MW is completely stopped. In case of any emergency other than the above,
With E _sw 21, all functions of the device can be stopped.

The power of the data processing device 3 is supplied from the power output inlet 209 of the rear panel 206 of the device body 2. This power supply is used once for the insulation transformer 1 of the device main body 2.
It is output after being isolated at 11.

The temperature data and the footswitch interlocking signal from the apparatus main body 2 are transmitted via the signal cable 31.
It is sent to the data processing device 3. When the data processing device 3 is in the standby state, the data processing device 3 starts capturing temperature data and displaying a monitor in response to the interlocking signal. After that, the suspending and ending operations are performed according to the interlocking signal from the apparatus main body 2. The data taken into the data processing device 3 can be recorded on a floppy disk and printed out.

Next, data processing in the data processing device 3 will be described with reference to FIGS. 9 and 10. The data processing device 3 has a built-in hard disk in which an operation program for performing data processing is stored. A data disk for storing patient data and treatment data is set in the floppy disk drive of the data processing device 3.

As described above, the data processing device 3 and the device body 2 are connected by the power cord 26 and the signal cable 31. The signal cable 31 transmits the temperature data of the thermocouple sensor 9 (channel) and the signal processing device 2 which controls the program to the data processing device 3.

FIG. 9 shows the general flow of the operation program. By turning on the power of the data processing device 3, the MS
-DOS is started and the operation program is started by the auto-executive batch file.

Subsequently, a process selection 301 is performed. That is, 1. 1. A process of performing heating treatment, storing temperature data at that time, and generating a graph thereof; 2. A process of reproducing a temperature graph of a heating treatment performed in the past, 3. 3. Return to the MS-DOS system, 4. This is the process of ending the operation program, and one of these is selected.

Next, each processing will be described. First, the heating treatment of 1 will be described. In carrying out this process, first, data regarding a patient to be heated is input from the keyboard (patient data input 302). The items include, for example, name, age, sex, treatment site, number of treatments, date of treatment, and the like.

Next, the operating conditions of the MW thermotherapy device 2 are input as treatment data from the keyboard (treatment data input 303). As this item, for example, the target temperature,
There are number of channels, control time, sampling period, output value, etc.

Here, the target temperature is the target temperature for the treatment of the affected area, the number of channels is the number of sensors for measuring the temperature, and the control time is the heating. The time is a time period, the sampling period is a time interval for measuring the temperature within the control time, and the output value is the output (W) of the MW. After the input is completed, these patient data and treatment data are saved as one file in the data disk. Then, the heating treatment 304 is performed based on these input data. In this heating treatment, first, as shown in FIG.
After making initial settings for the monitor, etc., signal cable 31
Check the voltage value of the signal from.

The voltage value of the signal cable 31 is _initially 0V, but it is raised to 10V by pressing F _sw 143 or P _sw 142 of the apparatus main body 2. After that, each time F _sw 143 or P _sw 142 is pressed, the voltage value of the signal cable 31 becomes 5
V, 10V, 5V, 10V ... 5V and 10V
Are shown alternately. Then, the arrival of control time or R _sw 1
By pressing 44, it drops to 0V.

At the stage where the initial setting is completed, the signal voltage value of the signal cable 31 is 0V, so the program is F
_It means waiting until _sw 143 or P _sw 142 is pressed.

When F _sw 143 or P _sw 142 is pressed, the program exits this loop and timer 136 is started. The data processing device 3 continuously fetches the temperature measurement data of the thermocouple 9 for the number of channels via the signal cable 31, displays the temperature measurement value, displays the temperature measurement value on the horizontal axis, and displays the temperature on the vertical axis. I will plot it on the graph.

Next, the energy is calculated. this is,
It shows how much [J] of energy was given to the affected area. As an example of a specific calculation method, if a temperature measurement value at a certain time of a certain channel is t ₁ and a temperature measurement value separated by one sampling period from the time is t ₂ , then t ₁ <t _{In case of 2} , since the temperature has risen, it is considered that heating was performed during the sampling cycle, and the energy value was calculated by the formula of (energy [J]) = (output value [W]) × (sampling cycle [sec]). Calculate and add this value throughout the control time. Then, this intermediate progress is plotted on a graph in which the horizontal axis represents time and the vertical axis represents energy amount. Once the temperature is measured, it is necessary to wait for the sampling period until the next temperature is measured.

During this waiting time, a signal check and a timer check are performed as needed. At this time, if F _sw 143 or P _sw 142 is pressed, the signal voltage value becomes 5 V, so a temporary stop process is performed by a signal check. This means a pause, such as a timer.

After this, the signal is checked again, so F
The state of pause is maintained until _sw 143 or P _sw 142 or R _sw 144 is pressed. Also, if R _sw 1
When the user presses 44, the signal voltage value becomes 0V, so the heating treatment is forcibly ended. In the timer check, the time display is changed every one second, and at the same time, it is checked whether it is within the control time or whether the sampling period has come.

2V and 8V in the figure are signal voltage values 0, 5, 1
This is a threshold value of 0V. Control time has passed, R _sw 14
When 4 is pressed, the heating treatment ends and the measured temperature value,
Save the change in energy over time to a data disk. The graph created on the monitor is printed by the printer, and the heating treatment process ends.

Further, as shown in FIG. 9, the process of reproducing the temperature graph of the warming treatment performed in the past 2, as shown in FIG. 9, displays the patient data, the treatment data, and the treatment data on the monitor based on the data generated in the past. This is a process of reproducing a graph of temperature and energy and printing them. Further, in the process of returning to the MS-DOS system 305 of 3, since the program is a program on S-DOS, the command of MS-DOS can be used. Here, it is possible to perform processing such as searching and deleting files on the data disk. Further, by selecting the process of terminating the operation program of 4, the termination process of the data processing device 3 and the like is performed, and the operation program is terminated.

[0072]

As described above, according to the present invention,
The set target temperature can be changed at any time without interrupting heating, and safe and efficient hyperthermia treatment can be performed.

[Brief description of drawings]

1A is a configuration diagram of an entire system of a microwave thermotherapy apparatus, and FIG. 1B is a partial rear view of FIG. 1A.

2 is a block diagram of the microwave thermotherapy device system of FIG. 1. FIG.

3A is a block diagram of a temperature control unit, and FIG. 3B is a time chart of FIG.

FIG. 4 is a block diagram of a relay circuit.

5 is a timing chart of the relay circuit of FIG.

FIG. 6 is a layout configuration diagram of main parts of the apparatus main body.

FIG. 7A is a side view of the MW oscillator, and FIG. 7B is a front view of the MW oscillator.

FIG. 8 is a schematic view showing a state of performing transurethral anterior hyperthermia treatment using the apparatus of FIG.

9 is a flowchart of an operating program of the apparatus of FIG.

10 is a flowchart of the heating treatment of the operation program of FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Electromagnetic wave thermotherapy device, 2 ... Device main body, 3 ... Data processing part, 6 ... Thermocouple input terminal, 8 ... Applicator, 9 ... Thermocouple sensor, 16 ... Foot switch terminal, 19 ... End lamp, 20 ... Danger Lamp, 102 ... Temperature sensor part, 1
03 ... Temperature measurement unit, 104 ... Temperature control unit, 105 ... Temperature setting input unit, 106 ... Measured temperature display unit, 107 ... Set temperature display unit, 108 ... Relay circuit unit, 109 ... MW oscillation unit, 111 ... Insulation transformer, 136 ... Timer part, 14
1 ... Termination notification unit, 142 ... START / STOP switch, 143 ... Foot switch, 144 ... Reset switch, 209 ... MW output terminal.

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[Procedure amendment]

[Submission date] February 21, 1992

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] Claim 1

[Correction method] Change

[Correction content]

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0007

[Correction method] Change

[Correction content]

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. As shown in FIG. 1A, an electromagnetic wave thermotherapy device 1 of the present embodiment is a microwave thermotherapy device for performing thermotherapy with microwaves, and includes an apparatus main body 2,
A data processing device 3 that performs data processing, a MW applicator 8 that is inserted into a living body and irradiates a heated site with microwaves (hereinafter, referred to as MW), and cooling water in the MW applicator 8. And a cooling water recirculation device for recirculating.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0013

[Correction method] Change

[Correction content]

The output of the comparing section A117 is determined by the above two input signals, that is, the temperature signal from the temperature measuring section 103 and the output signal from the temperature setting section A123, and the MW output signal output section is a signal that controls the output of the MW. 1
It is output from 20.

[Procedure correction 4]

[Document name to be amended] Statement

[Correction target item name] 0015

[Correction method] Change

[Correction content]

The setting signal of the temperature setting unit A123 is the same as that of the comparison unit.
It is input to A117 and the temperature setting unit B118. The temperature setting unit B118 outputs the signal to the comparison unit B119 as a dangerous temperature which is a temperature obtained by adding the temperature difference b ° C. to the target temperature set by the temperature setting unit A123. For example, if the target temperature is 40 ° C. and b = 15 ° C. is set in advance, the dangerous temperature is automatically set to 55 ° C. Furthermore, when the target temperature is slid to 50 ° C. by the temperature setting input unit 105, the dangerous temperature is automatically slid and increased.
At this time, the dangerous temperature is the slide increase amount of the target temperature (10
C.) is set to half the increase, that is, 60.degree. Of course, it is possible to change this rate of increase.

[Procedure amendment 5]

[Document name to be amended] Statement

[Correction target item name] 0035

[Correction method] Change

[Correction content]

By arranging each part in the apparatus main body 2 and wiring between each part as described above, the wiring on the primary side and the wiring on the secondary side may cross or approach each other. The noise on the primary side will not be directly on the line on the secondary side. Further, this can improve the counter voltage between the primary side and the secondary side and prevent the leakage current between the lines on the primary side and the secondary side, and when the wiring is exposed, the primary It is possible to prevent a short circuit between the side and the secondary side, that is, the patient and the circuit.

[Procedure Amendment 6]

[Document name to be amended] Statement

[Name of item to be corrected] 0045

[Correction method] Change

[Correction content]

As shown in FIG. 1B, electric power from a power source (commercial) 100 is supplied to the back surface of the apparatus main body 2.
A power input inlet 207 is provided, and a 3-pin power cable 24 is connected to the power input inlet 207. Electric power from the power supply (commercial) 100 is output from the power supply output inlet 221 as a service power supply for the data processing device 3 after passing through the insulating transformer 111, and is sent to the data processing device 3 by the power cable 26.

[Procedure Amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0049

[Correction method] Change

[Correction content]

In order to control the front line 33 to a certain temperature,
A thermocouple sensor 9 is built in the vicinity of the antenna 32 of the applicator 8. For example, one of the sensors 9 is located at the center of heating and the other is located at the external sphincter 37. The thermocouple sensor 9 is connected to the thermocouple input terminal 6, but one channel of the thermocouple input terminal 6 is for control. That is, temperature control is performed by the temperature of the thermocouple 9 connected to one channel. The measurement temperature of this one channel is measured
The temperature display unit 106 can always monitor. For example, a thermocouple 9 attached near the heating center is connected to this one channel, and a thermocouple 9 attached near the external sphincter is connected to two channels or three channels. On the other hand, the control temperature is set by rotating the temperature setting input unit 105. The target temperature is displayed on the set temperature display unit 107. The target temperature may be set by looking at the set temperature display unit 107.

[Procedure Amendment 8]

[Document name to be amended] Statement

[Correction target item name] 0055

[Correction method] Change

[Correction content]

The power of the data processing device 3 is supplied from the power output inlet 221 of the rear panel 206 of the device body 2. This power supply is used once for the insulation transformer 1 of the device main body 2.
It is output after being isolated at 11.

[Procedure Amendment 9]

[Document name to be amended] Statement

[Correction target item name] 0058

[Correction method] Change

[Correction content]

As described above, the data processing device 3 and the device body 2 are connected by the power cord 26 and the signal cable 31. The signal cable 31 controls the temperature data and program of the thermocouple sensor 9 (channel).
The signal is transmitted from the device body 2 to the data processing device 3.

[Procedure Amendment 10]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 1

[Correction method] Change

[Correction content]

[Figure 1]

[Procedure Amendment 11]

[Document name to be corrected] Drawing

[Name of item to be corrected] Fig. 4

[Correction method] Change

[Correction content]

[Figure 4]

[Procedure Amendment 12]

[Document name to be corrected] Drawing

[Name of item to be corrected] Figure 6

[Correction method] Change

[Correction content]

[Figure 6]

Claims (1)

[Claims] 1. An electromagnetic wave generating means for generating an electromagnetic wave for heating a heated portion, a temperature setting means for setting a heating temperature of the heated portion, and a temperature measurement for measuring the temperature of the heated portion. Means and output control means for controlling the output of the electromagnetic wave generating means based on the comparison result of the set output of the temperature setting means and the measured output of the temperature measuring means, and setting the temperature sail of the heated portion. In an electromagnetic wave thermotherapy device that controls the output of electromagnetic waves so that it is heated to a specified temperature, the electromagnetic wave thermotherapy device sets the conditions including the heating temperature at the start of heating by electromagnetic waves. Means, a main control means for starting control of the heating treatment by the output control means based on the output of the heating start condition setting means, and the heating start condition setting means irrespective of the operation of the main control means. Set addition Electromagnetic thermal treatment device, characterized in that the temperature condition; and a freely changeable temperature setting changing means.