JPH0739589A - Apparatus for thermotherapy - Google Patents

Abstract

PURPOSE:To provide an apparatus for thermotherapy capable of preventing an erroneous connection and an incomplete connection of connector in order to secure the stable thermotherapy. CONSTITUTION:Body 1 of an apparatus for thermotherapy is provided with a plug socket having both a receptacle 4a, 4b for No.1 channel and a receptacle 5a, 5b for No.2 channel, wherein two couples of receptacles (4a, 4b and 5a, 5b) are to be connected to an applicator 14 having a plurality of thermocouples 15, 16 through a four-wire plug unit 7 for the said receptacles in the apparatus body. A plug unit 7 comprises two pairs of plugs 8a, 8b and 9a, 9b which are corresponding to the pairs of receptacles 4a, 4b and 5a, 5b respectively, and the said two pairs correspond to the thermocouple 15 and 16.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thermotherapy device for heating and treating a malignant tumor such as cancer or a benign tumor such as benign prostatic hyperplasia.

[0002]

2. Description of the Related Art In recent years, it has been known that a malignant tumor such as cancer can be treated by heating the malignant tumor such as cancer for about a predetermined time at about 43 ° C. (eg Japanese Patent Publication No. 3-56747). Also, it is known that benign tumors such as benign prostatic hyperplasia can be treated by heating.

The hyperthermia treatment apparatus used for such heating treatment generally comprises an applicator for performing hyperthermia treatment of a diseased part of a living tissue by high frequency energy and a high frequency oscillating device for supplying high frequency energy to the applicator. Has been done.

Further, in order to prevent burns due to excessive temperature rise of the tissue surface in contact with the applicator, the cooling liquid is circulated inside the applicator. In addition, a temperature sensor is provided on the surface of the applicator, and the output of high frequency energy can be adjusted according to the measured value of the temperature sensor,
Adjust the amount of cooling liquid sent. Thereby, the affected area is kept at a desired temperature and the hyperthermia treatment is performed.

[0005]

However, a plurality of temperature sensors are often provided in one applicator. At this time, the connectors of the temperature sensors may be incorrectly connected or some of the temperature sensors may be connected. If forgotten, it was difficult to provide stable hyperthermia.

The present invention has been made in view of the above circumstances, and an object thereof is a thermotherapy which can prevent misconnection or non-connection of a connector of a temperature sensor and can stably perform thermotherapy. To provide a device.

[0007]

In order to achieve the above-mentioned object, the present invention has a temperature sensor connection connector and a temperature sensor connection detection means in a thermotherapy apparatus main body,
In a thermotherapy apparatus for performing thermotherapy by connecting an applicator having a plurality of temperature sensors to the temperature sensor connecting connector, the applicator is provided with a main body side connection portion, and the main body side connection portion corresponds to the plurality of temperature sensors. The connection means is provided so as to be connected in a one-to-one correspondence with the temperature sensor connection connector.

When the connecting means provided on the main body side connecting portion of the applicator is connected to the temperature sensor connecting connector of the thermotherapy apparatus main body, the temperature sensor connection detecting means detects the connection and the applicator heat treats the affected area or the like. The temperature at that time is detected by the temperature sensor, and the thermal treatment can be performed while the temperature is controlled by the thermal treatment apparatus main body. Further, the main body side connecting portion is provided with connecting means capable of being connected to the temperature sensor connecting connector in a one-to-one correspondence to prevent erroneous connection and non-connection of the connector.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 show a first embodiment. Reference numeral 1 in FIG. 1 is a main body of a thermotherapy device using microwaves.
The front panel 2 is provided with a temperature sensor connecting portion 3. The temperature sensor connecting portion 3 includes a one-channel receptacle 4a for temperature control as a temperature sensor connector,
4b and two-channel receptacles 5a and 5b are provided. The one-channel receptacles 4a and 4b can be connected to thick type plugs and the two-channel receptacles 5a and 5b can be connected to thin type plugs.

For both channels 1 and 2, one receptacle 4a, 5a is a plus (+) signal side, and the other receptacle 4b, 5b is a ground (GND) side terminal.

At one end of the relay cable 6 connected to the temperature sensor connecting portion 3, the main body side 4 as a main body side connecting portion is provided.
A point connecting portion 7 is provided, and the main body side four-point connecting portion 7 is a thick type 1-channel plug 8 as a connecting means.
a, 8b and thin type 2 channel plugs 9a, 9
b is provided. For both channels 1 and 2, one of the plugs 8a and 9a is a plus (+) signal side, and the other of the plugs 8b and 9b is a ground (GND) side terminal.

An applicator-side three-point connecting portion 10 is provided at the other end of the relay cable 6. Applicator side 3
The point connection unit 10 includes a 1-channel receptacle 11 and a 2-channel receptacle 12 and 1 and 2 for temperature control.
It is composed of a ground receptacle 13 common to the channels. A thin type plug is connected to the 2-channel receptacle 12, and a thick type plug is connected to the 1-channel receptacle 11 and the ground receptacle 13 common to the 1- and 2-channels.

The plugs 8b and 9b of the main body side four-point connecting portion 7 are common in the main body side four-point connecting portion 7, the relay cable 6 or the applicator side three-point connecting portion 10, and the applicator side three-point connecting portion. It is connected to the ground receptacle 13 of the section 10.

The applicator 14 incorporates thermocouples as two temperature sensors. One of the two is a one-channel thermocouple 15 for temperature control, and the other is a two-channel thermocouple 16. The applicator 14 is provided with an applicator temperature sensor connection portion 17, and the applicator temperature sensor connection portion 17 is a 1-channel plug 18 for temperature control, a 2-channel plug 19 and a ground plug common to 1 and 2 channels. It consists of 20. The 1-channel plug 18 and the ground plug 20 are thick type plugs, and the 2-channel plug 19 is a thin type plug.

The positive side cable of the 1-channel thermocouple is connected to the 1-channel plug 18 and the 2-channel thermocouple is connected to the 2-channel plug 19 of the positive side cable.
The ground side cables of the 1- and 2-channel thermocouples are commonly connected to the ground plug 20 in the applicator temperature sensor connection part 17.

The 1-channel plug 18, the 2-channel plug 19 and the gland plug 20 of the applicator temperature sensor connection portion 17 are respectively the 1-channel receptacle 11 and the 2-channel receptacle 12 of the applicator-side 3-point connection portion 10. And the ground receptacle 13.

Therefore, the temperature sensor connecting portion 3 of the thermotherapy apparatus main body 1 and the main body side four-point connecting portion 7 of the relay cable 16 are connected.
And the applicator-side three-point connecting portion 10 of the relay cable 16 and the applicator temperature sensor connecting portion 17 of the applicator 14 are connected. The thermocouple 15 for temperature control is attached to the microwave radiation part of the applicator 14, that is, the heating center.

The temperature information signal of the thermocouple 15 is passed through the cable to the plus side of the thermocouple 15, and the plug 18 for one channel of the applicator temperature sensor connection portion 17 and the one channel of the three-point connection portion 10 on the applicator side. Receptacle 1
1, the relay cable 16, the 1-channel plug 18 of the main body side four-point connection portion 17, and the 1-channel receptacle 4a of the main body temperature sensor connection portion 3 to guide the temperature control portion (not shown) in the main body 1. Get burned.

Since one channel controls the temperature, a higher accuracy is required, so that the temperature information signal is always transmitted to the control section in the main body 1 by a thick plug and a receptacle. The signal of 2 channels is the same as that of 1 channel.
Transmitted to.

The cables on the ground side of the thermocouples 15 and 16 once become electrically common in the applicator temperature sensor connection portion 17, and are connected to the ground plug 20. For example, this ground line is separated into two by the grounding receptacle of the applicator temperature sensor connecting portion 17, one of which is a one-channel ground plug 8b of the main body side four-point connecting portion 7.
Then, the other is separated into the 2-channel ground plug 9b. Thereby, in each channel, the plus terminal and the ground terminal are paired and input to the temperature control unit of the main body 1 while the electric level of the ground is kept constant.

Therefore, it is possible to prevent the applicator temperature sensor connecting portion 17 of the applicator 14 from being accidentally connected to the temperature sensor connecting portion 3 of the main body 1 because of the four terminals on the main body side and the three terminals on the applicator side. In addition, since the terminals to which the thermocouples of the temperature-controlled channels are connected are thick plugs and receptacles, it is possible to transmit signals with high accuracy and prevent erroneous connection between channels.

FIG. 2 shows the details of the applicator-side three-point connecting portion 10 of the relay cable 6. The applicator-side three-point connecting portion 10 is covered with an electrically insulating rubber material 27. The applicator temperature sensor connecting portion 17 of the applicator 14 is also covered with the electrically insulating rubber material 28, and the inner diameter of the opening of the electrically insulating rubber material 28 is the same as the outer diameter of the opening of the electrically insulating rubber material 27. They are the same or slightly larger.

When the applicator-side three-point connecting portion 10 and the applicator temperature sensor connecting portion 17 are connected,
The opening of the electrically insulating rubber material 28 has an electrically insulating rubber material 27.
And the conductive portions of the applicator-side three-point connection portion 10 and the applicator temperature sensor connection portion 17 can be electrically kept safe by the electrically insulating rubber members 27 and 28.

FIGS. 3 and 4 show the details of the main body 1. The front panel 2 has a microwave output terminal 101, a main power switch 102, a temperature sensor input terminal 103 constituting the temperature sensor connecting portion 3, and a display. Operation panel 104
Is provided. On the rear panel 105 of the main body 1, a power input terminal 106a, a temperature measurement data output terminal 106b,
A microwave output changeover switch 107 and a standby power output terminal 108 are provided, and a power cable 110 is detachably connected to the power input terminal 109.

The temperature sensor input terminal 103 has an input terminal 103a which can receive signals from two temperature sensors and an input terminal 1 which can receive signals from another temperature sensor.
03b, and the input terminals 103a and 103b are different in shape or size.

The display / operation panel 104 presets a start / pause switch 111 for starting and temporarily stopping the oscillation control of the microwave oscillated from the microwave output terminal 101, and a microwave oscillation control started by the start / pause switch 111. Timer switch 112 that stops at the set time, a time display device 113 that displays the set time and the remaining time after the start of oscillation, and a temperature that displays the temperature measured by the thermocouples 15 and 16 provided in the applicator 14. The display device 115, a changeover switch 116 for switching and displaying the temperature display displayed on the temperature display device 115, and the applicator 14
Temperature setting switch 117 for setting the temperature of the surface of the microwave radiating part to a desired temperature, a set temperature display device 118 for displaying the set temperature, and a microwave output display that lights up while the microwave is oscillating. A lamp 119 and a heating completion display lamp 120 that notifies that the time set by the timer has elapsed, an abnormality notification lamp 121 that notifies that the device is abnormal or the measured temperature is abnormal, and the microwave output and the timer setting time are initially set. And a reset switch 122 for returning to.

When the main power switch 102 is turned on, the main body 1 is activated and the main body functions are in the initial setting state. A microwave connector (not shown) of the applicator 14 and the main body side four-point connecting portion 7 are connected to the microwave output terminal 101 and the temperature sensor input terminal 103a via the relay cable 6, respectively.

The temperature setting switch 117 is operated to display the desired temperature on the set temperature display device 118 to set the temperature, and the timer switch 112 is further operated.
The heating time is set by displaying the desired heating time on the time display device 113. At this time, the displayed (set) temperature of the temperature setting switch 117 is lowered by pressing the switch marked with a minus sign, and is increased by pushing the switch marked with a plus sign. Further, the display (setting) time is increased by 10 minutes by pressing the “10” mark switch of the timer switch 112, and is increased by 1 minute by pressing the “1” mark switch.

In this state, the start / pause switch 1
Microwave oscillation control is started by pressing 11 once,
The display value of the time display device 113 starts to decrease, and the remaining time is displayed from the set time. During microwave oscillation control,
The microwave output indicator lamp 119 is turned on only when microwaves are being emitted.

However, when the microwave connector or the temperature sensor connecting portion of the applicator 14 is not securely connected to the microwave output connector or the temperature sensor input terminal 103a, or the measured temperature exceeds a preset dangerous temperature. Alternatively, if the measured temperature does not rise for 1 minute or more after the start of heating, the microwave is not oscillated, the abnormality notification lamp 121 is turned on, and the alarm sound is emitted.

Therefore, by pressing the reset switch 122 or turning off the main power switch 102, the abnormality notification lamp 121 is turned off and the alarm sound is released. When the reset switch 122 is pressed, the main body function is in the initial state, and the set value of the timer again displays the time set at the time of startup.

After the normal connection is made and the microwave oscillation control is started, the timer time and the set temperature value cannot be changed during the microwave oscillation control. That is, even if the setting device switches 112 and 117 are operated, the setting values do not change. However, when the microwave oscillation control operation is temporarily stopped by pressing the start / pause switch 111 once during the microwave oscillation control, the timer time and the set temperature can be changed by operating the operation switches 112 and 117.

During heating (during microwave oscillation control), the temperature display device 115 has thermocouples 15 and 16 of the applicator 14.
Display any of the measured temperature values. Thermocouple 15,16
Either display can be switched by pressing the changeover switch 116.

When the set timer time elapses after the start of heating, that is, the start of microwave oscillation control, the display time of the time display device 113 becomes 00 minutes 00 seconds, and at the same time, the heating end display lamp 120 lights up. At the same time, an alarm sound is generated (however, this alarm sound has a different tone color from the alarm sound generated at the time of abnormality), and the microwave oscillation control is stopped.

At this time, the temperature measured by the thermocouples 15 and 16 is continued, and the measured value is displayed on the temperature display device 115. After the heating is completed, the reset switch 122 is pushed, or the main power switch 102 is turned off once and turned on again, so that the main body function returns to the initial state.

FIG. 5 shows a second embodiment. The same components as those of the first embodiment are designated by the same reference numerals and the description thereof will be omitted. The temperature sensor connecting portion 3 is provided with a 1-channel receptacle 21 and a 2-channel receptacle 22 having two contacts inside. A thick type plug can be connected to the 1-channel receptacle 21 and a thin type plug can be connected to the 2-channel receptacle 22.

The temperature sensor connecting cable 16 connected to the temperature sensor connecting portion 3 has one contact at one end of the main body side four-point connecting portion 7 having two contacts, and a temperature controlling one-channel plug 23 and two channels. A plug 24 is provided. The 1-channel plug 23 is a thick type and the 2-channel plug 24 is a thin type, and the applicator-side three-point connecting portion 10 is provided at the other end of the relay cable 16.

The applicator-side three-point connecting portion 10 is provided with one receptacle 25 having three contacts inside. The three contacts of the receptacle 25 are a positive terminal for 1 channel, a positive terminal for 2 channels, and a ground terminal common to 1 and 2 channels.

Plugs 23 and 24 of the main body side four-point connecting portion 7
Are common in the main body side four-point connection portion 7, the relay cable 16 or the applicator side three-point connection portion, and are connected to one contact of the receptacle 25.

An applicator temperature sensor connection 17 having three contacts 26 is connected to the applicator 14. The three contacts are connected to the 1-channel plus side of the thermocouple, the 2-channel plus side, and the ground side common to 1 and 2 channels.

Next, the operation will be described. The connection state is the same as in the first embodiment. On the main body side, four contact points are formed by a two-contact two-pin connection portion, and on the applicator side, three contact points are formed by a three-contact one-pin connection portion. Therefore, in addition to the effect of the first embodiment, since the two-contact plug and the receptacle are adopted, there is an effect that the plug can be downsized and is easy to handle.

FIGS. 6A and 6B show the third embodiment. Reference numeral 31 is a thermotherapy apparatus main body, and two thermocouple connection connectors 32a and 32b are provided in proximity to the main body 31, and these thermocouple connection connectors 32a and 32b are thermocouple connection provided inside the main body 31. It is connected to the detection circuit 33.

Further, the applicator 34 is provided with two thermocouples 35 and 36, and the applicator 34 is provided with a main body side connecting portion 38 via a thermocouple cable 37. The main body side connecting portion 38 is provided with two plugs 39a and 39b in close proximity to the thermocouple connecting connectors 32a and 32b so as to be connected to the thermocouple connecting connectors 32a and 32b.

Therefore, the applicator 3 shown in FIG.
By connecting the two plugs 39a, 39b on the fourth side to the thermocouple connection connectors 32a, 32b of the main body 31, it is detected that the thermocouple connection detection circuit 33 is connected.

Further, as shown in FIG. 6B, the plugs 42a and 42b provided on the main body side connection portions 41a and 41b of the different types of applicators 40 are connected to the thermocouple connection connectors 32a and 32b of the main body 31, respectively. Trying to connect
Since the thermocouple connection connectors 32a and 32b are provided close to each other, the outer casings of the main body side connection portions 41a and 41b interfere with each other to make the connection impossible. Temporarily, one plug 42a
Even if it can be connected to the thermocouple connector 32a,
Unless the two plugs 42a and 42b are connected, the thermocouple connection detection circuit 33 does not detect and does not operate.

Therefore, the thermocouple connector 32a,
Since it does not operate unless the proper applicator 34 is connected to 32b, it is possible to prevent forgetting to connect the plugs 39a and 39b.

FIG. 7 shows a fourth embodiment, in which the main body 31 is provided with thermocouple connection connectors 43a and 43b having different diameters, and the main body side connection portion 38 of the applicator 34 is provided with the thermocouple connection connectors 43a and 43b. The plugs 44a and 44b having different diameters are provided corresponding to
When 44b is in the opposite direction, the thermocouple connector 43a, 43b
It is a connection that cannot be connected to. In this case, since the heating control is performed by the large-diameter plug 44a, there is an effect that the accuracy of temperature measurement is improved and more accurate heating control can be performed.

FIG. 8 shows a fifth embodiment, in which a main body 31 is provided with a stepped connector body 46, a thermocouple connection connector 45a is provided at a higher step portion, and a thermocouple connection connector 45b is provided at a lower step portion. The main body side connection portion 38 of the applicator 34 is provided with a step corresponding to the step of the connector main body 46, and a plug 47a is provided at a lower step portion and a plug 47b is provided at a higher step portion. And the plug 47
When a and 47b are in opposite directions, the thermocouple connector 45a, 4
5b is not allowed to be connected.

FIG. 9 shows a sixth embodiment, in which an extension cable 48 is provided between the applicator 34 and the main body 31. A main body side connection portion 49 is provided at one end of the extension cable 48, and an applicator side connection portion 5 is provided at the other end.
0 is provided.

The main body side connecting portion 49 has plugs 51a and 51 similar to the plugs 44a and 44b of the fourth embodiment.
b, and the connectors 52a, 5 similar to the thermocouple connection connectors 32a, 32b are provided in the applicator-side connection portion 50.
2b is provided. Therefore, in addition to the same effect as the fourth embodiment, the heating treatment can be performed even if the patient and the main body 1 are installed at different locations.

FIG. 10 shows a seventh embodiment, in which a relay connector 53 is provided between the applicator 34 and the main body 31. A main body side connection portion 55 is provided at one end of the relay connector 53, and an applicator side connection portion 56 is provided at the other end.

The main body side connecting portion 55 has plugs 57a and 57 similar to the plugs 44a and 44b of the fourth embodiment.
b, and the applicator-side connecting portion 56 is provided with connectors 58a and 58b. Therefore, in addition to the effect similar to the fourth embodiment, when it is desired to control the heating by using the plug 57b, the connectors 58a and 58b may be connected to the relay connector 54 in reverse.

11 to 13 show examples of disclosure. Reference numeral 60 denotes a microwave applicator, and the microwave applicator 60 has a microwave oscillator 62 through a coaxial cable 61.
It is connected to the. Also, the microwave applicator 60
One end of the sensor cable 63 is connected to the temperature sensor built in the, and the other end is connected to the thermometer 64, and the temperature information detected by the temperature sensor is input to the thermometer 64 as an electric signal.

Further, the thermometer 64 is connected to the controller 66 via the cable 65, and the information from the thermometer 64 can be input. Further, the microwave oscillator 62 is
It is connected to the controller 66 via a cable 67.
The controller 66, based on the information from the thermometer 64,
The output value of the microwave oscillator 62 can be controlled.

An antenna 68 made of a coaxial cable is provided at the center of the microwave applicator 60.
The antenna 68 has a center conductor 69 in the center, an insulating layer 70 made of poctetrafluoroethylene or the like on the outer periphery thereof, and an outer conductor 7 formed by knitting a thin metal wire on the outer periphery thereof.
1 is provided. The outer conductor 71 is covered with an outer cover 72 made of an insulator.

At the tip of the antenna 68, the outer skin 72 and the outer conductor 71 having a length of about 20 to 50 mm are removed, and a spacer 73 made of an insulator and having a length of 1 to 5 mm is provided at the removed portion. The external electrode 74 is formed of the same material as the external conductor 71, has a ring shape at one end, and is soldered to the tip end side of a conical external electrode support adjusting member 75 whose outer diameter on the tip side is larger than the hand side. It is fixed. The external electrode 74 is inserted from the front end side of the antenna 68 with the side to which the external electrode support adjusting member 75 is fixed facing toward the hand side, and the external electrode support adjusting member 7 is inserted.
5 is abutted against the spacer 73.

A metal ring 77 adhered to a cap 76 made of a polymer material is fitted on the tip side of the external electrode 74 and fixed by an adhesive or soldering. Here, the axial length of the external electrode 74 is preferably 18 to 48 mm.

The tip sensor portion 80 of the temperature sensor 79 is arranged substantially in the center of the spacer 73, and is wound toward the hand side of the antenna 68 at a pitch of about 10 mm. Further, a tube 81 made of an insulating material is passed through the outer periphery of the tube 81, and the thread 82 is used to completely cover the metal ring 77.
Are bound and fixed to the metal ring 77 or the cap 76.

Then, the microwave applicator 60 is inserted and positioned in the affected area C of the living body B. Next, the microwave oscillator 62, the thermometer 64, and the controller 66 are driven to start the heating treatment. When the microwave applicator 60 is inserted, if the lumen is bent, a bending stress is generated between the antenna 68 and the metal ring 77, and particularly a force for separating the external electrode 74 and the spacer 73 is generated.

However, the external electrode support adjusting member 75 is soldered to the external electrode 74, and the tip side large diameter portion of the external electrode supporting adjusting member 75 is caught on the inner circumference of the tube 81, and the spacer 71 and the external electrode. The external electrode support adjusting member 75 takes charge of most of the force for separating 74.

Therefore, the external electrode support adjusting member 75 serves as a retaining member, the distance between the external electrode 74 and the spacer 71 does not change, and the dimension of the electrode portion, which is important for microwave radiation, does not change. Is possible. Further, the smaller the outer diameter of the microwave applicator 60, the easier the external electrode 74 moves during bending, but the external electrode 74 is regulated by the external electrode support adjusting member 75, and even the extremely fine microwave applicator 60 has a heating distribution. A constant and reliable heating is possible.

Furthermore, by winding the temperature sensor around the antenna 68, the stress when the microwave applicator 60 is strongly bent is relieved, the durability is improved, and the temperature sensor can be repeatedly used for a long time.

Although the external electrode support adjusting member 75 is formed of a conical ring, it may have another shape, and it can be coupled to the external electrode 74 and holds the positional relationship with the spacer 71. If so, it goes without saying that they have similar actions and effects.

The external electrode support adjusting member 75 and the external electrode 74 may be joined not only by soldering but also by bonding, caulking or the like. The external electrode support adjusting member 75 may be made of metal or non-metal.

FIGS. 14 and 15 show an eighth embodiment, and FIG. 14 shows an applicator 130 which is basically the same as the applicator 14 described in the first embodiment, for transurethral warming treatment. It is an example. The applicator 130 has a built-in antenna 131 that radiates high frequencies such as microwaves and radio waves. Further, a cooling water perfusion passageway 130a is provided inside the applicator 130 to prevent excessive heating of the urethral mucosa and to uniformly heat the inside of the prostate D.

The antenna 1 is attached to the tip of the catheter 130.
A balloon 132 is provided to hold the device 31 inside the bladder E. Further, on the surface of the catheter 130, a first temperature sensor 133 is provided at a central portion (that is, a heating central portion) irradiated with high frequency, and a second temperature sensor 134 is provided at a position apart from the heating center. There is. That is, the first temperature sensor 133 indicates the central portion of the prostate D, and the second temperature sensor 134 indicates the temperature of the mucous membrane corresponding to the urethral sphincter F.

The applicator 130 has a first temperature sensor cable 135 connected to the first temperature sensor 133,
A second temperature sensor cable 136 connected to the second temperature sensor 134 is provided, and both cables 135 and 136 are connected to the main body side connection portion 138 via a relay connector 137.

An electrode 133 corresponding to the first and second temperature sensors 133 and 134 on a one-to-one basis is provided on the main body side connecting portion 138.
One plug 1 in which a and 134a are provided apart from each other in the axial direction
38 a is provided and is connected to a connector 140 provided on the high frequency oscillator body 139. In this case, the connector 140 is also provided with electrodes (not shown) corresponding to the electrodes 133a and 134a in a one-to-one correspondence with the inner peripheral surface of the connection hole corresponding to the plug 138a, and by inserting and connecting the plug 138a, 1st and 2nd temperature sensor 133,13
4 can be connected without mistake.

A high-frequency oscillator 141 and a control circuit 142 for controlling the oscillation of the high-frequency oscillator 141 are provided inside the high-frequency oscillator main body 139, and the connector 140 is connected to the first temperature sensor 133 and the first sensor amplifier 1 is connected.
43 and a second sensor amplifier 144 connected to the second temperature sensor 134, and is connected to the control circuit 142. Further, the control circuit 142 is connected with a display 145 that displays the temperatures detected by the first and second temperature sensors 133 and 134.

The high frequency oscillator 141 is connected to a high frequency connector 146 provided in the high frequency oscillator body 139, and the high frequency connector 146 is provided inside the applicator 130 via a high frequency cable 148 having a relay connector 147. It is connected to the antenna 131.

Further, the cooling water perfusion passage 130a inside the applicator 130 is connected to the perfusion pump 150 via the perfusion tube 149, and the perfusion pump 150 is connected to the control circuit 142 via the signal cable 151.

Therefore, in a state where the applicator 130 is inserted into the prostate D transurethrally and the balloon 132 is inflated and left in the bladder E, the antenna 131 emits high frequency waves such as microwaves and radio waves, and the application is performed. By irrigating the cooling water into the cooling water irrigation passage 130a inside the heater 130, it is possible to prevent excessive heating of the urethral mucosa and to uniformly heat the inside of the prostate D.

It is medically known that normal cells do not degenerate at 45 ° C. or lower. Further, according to a study using the present applicator 130, it has been found that when the urethral mucosa is kept at 43 ° C. or less, the living body rarely complains of pain such as heat sensation. Therefore, during the treatment, the indication value of the first temperature sensor 133 is set to be around body temperature to about 43 ° C., and the indication value of the second temperature sensor 134 is the same or lower than that of the first temperature sensor 133. When the irradiation is performed by controlling the high frequency so that the treatment is performed, the treatment can be performed without causing pain such as a feeling of heat to the living body and without causing side effects such as incontinence due to burns of the urethral sphincter F. .

FIGS. 16 and 17 show a ninth embodiment, in which a soft applicator 154 having a soft high-frequency antenna 153 inside is subjected to hyperthermia treatment of the biliary tract through a channel provided in the insertion portion 155a of the endoscope 155. Here is an example.
A plurality of temperature sensors 156 are arranged in the applicator 154 so as to be separated from each other in the axial direction, detect the temperature of the luminal mucous membrane during the thermotherapy, and control the radiation of the high frequency output so that the temperature falls within a certain range. It is like this. Further, the guide wire insertion hole 154a is obliquely provided at the tip of the applicator 154.
Has been drilled.

The high-frequency oscillator body 157 has a connector 15
8 is provided, and this connector 158 has an applicator 1
The plug 160 provided on the coaxial cable 159 of 54 is connected. Similar to the eighth embodiment, the plug 160 is provided with a plurality of electrodes corresponding to the plurality of temperature sensors 156 in a one-to-one relationship with being axially separated from each other. Further, the connector 158 is also provided with electrodes corresponding to the plurality of electrodes in a one-to-one correspondence with the inner peripheral surface of the connection hole corresponding to the plug 160, and by inserting and connecting the plug 160, the plurality of temperature sensors 156 are not mistaken. Can be connected to.

In general, diseases such as tumors of luminal organs have irregularities. Therefore, if there is only one temperature sensor or if the temperature sensor floats above the mucous membrane, it is possible to correctly grasp the temperature of the affected area. Although difficult, by disposing a plurality of temperature sensors 156 in the axial direction of the applicator 154 as described above, the temperature of the affected area can be accurately detected and the temperature distribution in the axial direction can be known, which is safe. It is possible to carry out reliable treatment.

In the above-mentioned embodiment, the case where the biliary tract is treated with hyperthermia has been described. However, luminal organs such as esophagus, stomach, intestine, anus, vagina, uterus, blood vessels, and all kinds of brain, liver, bone, etc. It can be applied to treatment of the site.

[0078]

As described above, according to the present invention,
Since the main body side connection part of the applicator is provided with plugs that are connected to correspond to the plurality of temperature sensors, the temperature sensor connection connector of the main body can be connected in a one-to-one correspondence,
It is possible to prevent erroneous connection and non-connection of the connectors, and it is possible to perform stable heat treatment.

[Brief description of drawings]

FIG. 1 is a perspective view of a main body of a thermotherapy device, a relay cable and an applicator showing a first embodiment of the present invention.

FIG. 2 is a perspective view of a relay cable and an applicator of the same embodiment.

FIG. 3 is a perspective view of the main body of the embodiment.

FIG. 4 is a front view of the main body of the embodiment.

FIG. 5 is a perspective view of a main body of a thermotherapy device, a relay cable and an applicator showing a second embodiment of the present invention.

FIG. 6 is a side view of a thermocouple connector which is connected to the main body according to the third embodiment of the present invention.

FIG. 7 is a side view of a thermocouple connector for connection to the main body according to the fourth embodiment of the present invention.

FIG. 8 is a side view of a thermocouple connector which is connected to the main body according to the fifth embodiment of the present invention.

FIG. 9 is a side view of a thermocouple connector which is connected to the main body according to the sixth embodiment of the present invention.

FIG. 10 is a side view of a thermocouple connector for connecting to a main body according to a seventh embodiment of the present invention.

FIG. 11 is a vertical sectional side view of the tip portion of the applicator, showing a disclosed example.

12 is a sectional view taken along the line AA of FIG.

FIG. 13 is a usage state diagram of the disclosure example.

FIG. 14 is an explanatory view showing the eighth embodiment of the present invention, in which the applicator is applied to transurethral warming treatment.

FIG. 15 is a configuration diagram of a thermotherapy apparatus of the same embodiment.

FIG. 16 is an explanatory view showing a ninth embodiment of the present invention, in which the applicator is endoscopically inserted into the luminal organ to perform the heating treatment.

FIG. 17 is a vertical sectional side view of the applicator according to the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Main body 4a, 4b ... Receptacle for 1 channel 5a, 5b ... Receptacle for 2 channel 7 ... Main body side 4 point connection part 8a, 8b ... Plug for 1 channel 9a, 9b ... Plug for 2 channel 14 ... Applicator 15, 16 …thermocouple

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] September 10, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Name of item to be corrected] 0015

[Correction method] Change

[Correction content]

[0015] 1 to thermocouple channels plus side cable 1 channel plug 18, to the positive side cable 2 tea N'ne Le plug 19 of thermocouple 2 channels, also the ground side of the thermocouple 1 channel The cable is
The applicator temperature sensor connection unit 17 is commonly connected to the ground plug 20.

[Procedure Amendment 2]

[Document name to be amended] Statement

[Correction target item name] 0017

[Correction method] Change

[Correction content]

[0017] Thus, the thermal treatment device is connected to a temperature sensor connection portion 3 and the body-side four-point connection 7 of the relay cables 6 of the body 1, the applicator side three points connecting portion 1 of the relay cable 6
0 and the applicator temperature sensor connection part 17 of the applicator 14 are connected. The thermocouple 15 for temperature control is attached to the microwave radiation part of the applicator 14, that is, the heating center.

[Procedure 3]

[Document name to be amended] Statement

[Correction target item name] 0018

[Correction method] Change

[Correction content]

The temperature information signal of the thermocouple 15 is passed through the cable to the plus side of the thermocouple 15, and the plug 18 for one channel of the applicator temperature sensor connection portion 17 and the one channel of the three-point connection portion 10 on the applicator side. Receptacle 1
1, the relay cable 6 through one channel plug 8a of the main body side four-point connection 7, the temperature control unit in the main body 1 through a channel receptacle 4a of the body temperature sensor connection portion 3 (not shown) Be guided.

[Procedure amendment 4]

[Document name to be amended] Statement

[Name of item to be corrected] 0024

[Correction method] Change

[Correction content]

FIGS. 3 and 4 show the details of the main body 1. The front panel 2 has a microwave output terminal 101, a main power switch 102, a temperature sensor input terminal 103 constituting the temperature sensor connecting portion 3, and a display. Operation panel 104
Is provided. On the rear panel 105 of the main body 1, a power input terminal 106a, a temperature measurement data output terminal 106b,
A microwave output changeover switch 107 and a standby power supply output terminal 108 are provided, and a power supply cable 110 is detachably connected to the power supply input terminal 106a .

[Procedure Amendment 5]

[Document name to be amended] Statement

[Name of item to be corrected] 0037

[Correction method] Change

[Correction content]

[0037] Temperature sensor connection portion body 4 point connection 7 at one end of the relay cable 6 for temperature sensors connected to the 3
Is provided with a one-channel plug 23 and a two-channel plug 24 for temperature control having two contacts.
Thick type 1 channel plug 23, 2-channel plug 24 is a thin type, the other end of the relay cable 6, the applicator side three-point connection 10 is provided.

[Procedure correction 6]

[Document name to be amended] Statement

[Correction target item name] 0039

[Correction method] Change

[Correction content]

Plugs 23 and 24 of the main body side four-point connecting portion 7
Will become common in the body-side four-point connection portion 7 or in the relay cable 6 or applicator side three-point connection portion, is connected to the first contact of the receptacle 25.

[Procedure Amendment 7]

[Document name to be amended] Statement

[Correction target item name] 0055

[Correction method] Change

[Correction content]

An antenna 68 made of a coaxial cable is provided at the center of the microwave applicator 60.
The antenna 68 has a center conductor 69 in the center and a pole on the outer periphery.
Insulating layer 70 made of Li polytetrafluoroethylene etc., an outer conductor 7 formed by weaving more thin metal wires on its outer periphery
1 is provided. The outer conductor 71 is covered with an outer cover 72 made of an insulator.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hidetoshi Saito 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside Olympus Optical Co., Ltd.

Claims (1)

[Claims] 1. A thermotherapy device having a thermotherapy device main body having a temperature sensor connection connector and temperature sensor connection detection means, wherein an applicator having a plurality of temperature sensors is connected to the temperature sensor connection connector to perform thermotherapy. The applicator is provided with a main body side connection portion, and the main body side connection portion is provided with connection means that is connected corresponding to the plurality of temperature sensors and that can be connected in a one-to-one correspondence with the temperature sensor connection connector. A thermotherapy device characterized by the above.