JPH0461657B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a stone-breaking device, and particularly to a discharge-type stone-breaking device that utilizes shock waves caused by electrical discharge.

[Prior art]

The discharge calculus destruction device is configured to destroy calculus by applying a high voltage between the electrodes of a probe and using a shock wave of discharge generated between the electrodes.
According to such a bond breaking device, the electrode of the probe is worn out by the discharge, and as the number of discharges increases, the discharge becomes weaker, and eventually no discharge occurs. For this purpose, the probe is replaced after it has been used for a predetermined period of time. Conventionally, when replacing the probe, the discharge starting voltage between the discharge electrodes is detected, and the degree of wear of the electrodes is determined from this voltage value. The probe is replaced when it is determined that electrode wear has progressed considerably.

[Problem that the invention seeks to solve]

In order to determine when to replace the battery as described above, it is necessary to insert a voltage detector between the discharge electrodes, but in this case, this voltage detector must have extremely high impedance. However, high impedance voltage detectors have the disadvantage of being susceptible to noise, which can lead to inaccurate measurement results and incorrect replacement timing.

An object of the present invention is to provide a calculus destruction device that counts the number of discharges or the number of times the probe is used, and determines the life of the probe from the counted value.

[Means for solving problems]

According to this invention, there is provided a probe having a discharge electrode, a power feeding means for applying a discharge voltage to the probe to cause the discharge electrode to generate a discharge, a counting means for counting the number of times the probe is discharged, and A discharge calculus destruction device is provided, comprising a stop means for stopping the power supply means when the value of exceeds a set value.

According to this invention, a probe having a discharge electrode, a power supply means for applying a discharge voltage to the probe to cause discharge to occur in the discharge electrode, and a counting means for cumulatively counting the discharge time of the probe;
A discharge coupling breaking device is provided, comprising a stop means for stopping the power supply means when the value from the counting means exceeds a set value.

According to the present invention, there is provided a probe having a discharge electrode, a power supply means for applying a discharge voltage to the probe in order to generate a discharge in the discharge electrode, and a counting means for counting the number of times the probe and the power supply means are attached and detached. and a stop means for stopping the power supply means when the value from the counting means exceeds a set value.

[Function] According to the present invention, there is a counting means for counting the number of discharges of the probe, the integrated value of the discharge time of the probe, or the number of times the probe is attached and detached from the power supply means, and when the count value of this counting means exceeds a set value, the Since the stop means for stopping the power supply is provided, the probe is prevented from being used in a state where sufficient discharge to destroy the stone cannot be obtained due to deterioration of the probe, and stone destruction surgery can be performed safely.

〔Example〕

According to the embodiment shown in FIG. 1, a power plug 1 is connected to a transformer 3 via a switch 2. In the embodiment shown in FIG. The secondary winding of the transformer 3 is connected to a transistor switch circuit 5 via a voltage doubler rectifier circuit 4. The output of this transistor switch circuit 5 is connected to a capacitor 7 and a discharge tube 8 via a resistor 6. A trigger transformer 9 is connected to the trigger electrode of the discharge tube 8 . The output part of the discharge tube 8 is connected to the discharge electrode 11a of the probe 11 via the connector 10.
A trigger circuit 12 is connected to the trigger transformer 9.

Discharge start switch 13 is connected to pulse generator 15 via relay 14 . The output of the pulse generator is connected to a transistor switch circuit 5 and a monostable multivibrator 16. The output of monostable multivibrator 16 is connected to trigger circuit 12 via monostable multivibrator 17 .

The output end of pulse generator 15 is connected to counter 18 . The counter 18 has an output terminal that counts the discharge circuit in response to the output pulse of the pulse generator and outputs a count value, and an output terminal that generates an output signal when the count value reaches a predetermined value. The count value output terminal is connected to the display 19, and the predetermined value output terminal is connected to the relay 14 and the buzzer 20. Further, a reset switch 21 and a setting switch 24 are connected to the counter 18.

FIG. 2 shows the operation surface of the discharge calculus destruction device, and this operation surface is provided with a connector 10, a discharge start switch 13, a display 19, a buzzer 20, a reset switch 21, and a setting switch 24. A probe 11 is connected to the connector 10.

The operation of the discharge stone destruction device will be explained with reference to the time chart of FIG.

When the power switch 2 is turned on, the voltage doubler rectifier circuit 4 outputs a high voltage. At this time, when the discharge start switch 13 is turned on, the pulse generator 15 generates a pulse A of a predetermined period. When the transistor switch circuit 5 is turned on in response to this pulse A, the high voltage of the voltage doubler rectifier circuit 4 is applied to the capacitor 7 via the resistor 6, and the capacitor 7 is charged to the voltage D.

In addition, pulse A is monostable multivibrator 1
6 and 17 to the trigger circuit 12, but at this time, the multivibrator 16 receives the pulse A
The multivibrator 17 outputs a pulse B in response to the falling edge of the pulse B, and the multivibrator 17 outputs a pulse C in response to the falling edge of the pulse B. This pulse C is the trigger circuit 1
2, the discharge tube 8 is triggered. That is, the discharge tube 8 is turned on after a predetermined period of time has elapsed since the transistor circuit 5 was turned off. Thereby, the transistor circuit 5 and the discharge tube 8 are not turned on at the same time.

When the discharge tube 8 is triggered, the charging voltage of the capacitor 7 is discharged through the discharge tube 8, and the probe 11
A high voltage E is applied to the electrode 11a. As a result, electric discharge occurs at the tip of the probe 11, and the calculus 22 is destroyed by the shock wave generated at that time. On the other hand, pulse A from the pulse generator 15 is supplied to a counter 18 and counted. The count value of the counter 18 is displayed on the display 19. This counter 18 is set to a predetermined value corresponding to the life of the discharge probe by a setting switch 24, and when the count value of the counter 18 reaches the set value, an output signal is output to the relay 14 and the buzzer 20. Relay 14 operates in response to the output signal of counter 18 to stop oscillation of pulse generator 15. The buzzer 20 sounds to notify the end of the probe life.

As mentioned above, the probe generates a discharge between the electrodes by applying a discharge voltage between adjacent electrodes, and this discharge instantly evaporates the water around the probe and generates a shock wave, which causes stones to form. used to destroy. The electrodes of such a probe wear out, or shorten, due to repeated discharges, and the distance between the electrodes gradually increases. As a result, sufficient electrical discharge will not occur to destroy the stone, and the probe will no longer function as a probe. Such a state, ie, a state in which the electrode of the probe is worn out to the extent that sufficient discharge to destroy the stone cannot be obtained, is a state in which the life of the probe has come to an end. That is, the life span of the probe is defined as the period from when the probe is new to when the probe electrode is worn out to such an extent that sufficient discharge cannot be obtained to destroy the stone.

As mentioned above, the wear of the probe electrode is proportional to the number of discharges. That is, the life of the probe is determined by the number of discharges. Therefore, by setting the number of discharges of the probe corresponding to the life in the counter 18, the life of the probe can be automatically determined.

Blope 1 is generated by stopping the oscillation of the pulse generator 15.
1 is not supplied with high voltage and therefore probe 11
does not discharge. When the life of the probe 11 is known from the display of the number of uses or the buzzer and the probe is replaced and the stone destruction device is to be operated again, the reset switch 21 is operated and the counter 18 is reset. As a result, the display 19 is reset to 0000 and the buzzer 20 is stopped at the same time. Also,
Relay 14 is deenergized and the normally closed contacts are closed. In this state, the discharge stone destruction device becomes operable.

If the discharge probe 11 has just been replaced and is used, its use will end before its service life. The fourth
As shown in the figure, the information is written on the recording paper 23 attached to the socket of the probe 11 and recorded. When this probe is used again, the value obtained by subtracting the number of discharges recorded on the recording paper 23, e.g., "57", from the number of lifetimes, e.g., "1234", that is, "1177" is set in the counter 18 by the setting switch 24. Ru.
Therefore, after this, the usage status of the brobe is monitored with the lifespan set to 1177.

According to the embodiment shown in FIG. 5, the counter 25 for counting the pulses A is constituted by a counter in which a counting start value can be set, and the probe 11 is provided with a memory 26. The memory 26 is backed up by a battery 27.

According to the above device, the count value of the counter 25 is inputted and displayed on the display 19, and the memory 2
6 and stored. The count value stored in the memory 26 is returned to the counter 25 and compared with the count value of the counter 25. If the memory contents and the counter contents are the same, no change will occur.

When another probe 11 is attached and the contents of the scale of this new probe differ from the contents of the counter 25, the counter 25 is updated to the contents of the memory 26. The counter 25 starts counting from the updated number of discharges and inputs the counting result to the display 19 and memory 26. That is, in this embodiment, the contents of the counter are updated according to the number of times the attached probe is used, and the number of discharges is monitored.

Note that the memory 26 and battery 27 provided in the probe 11 are built into the plug of the probe as shown in FIG.

According to the embodiment of FIG. 7, the output of the pulse generator 15 is connected via a resistor 28 to the base of a transistor 29. The collector of the transistor 29 is connected via a resistor 30 to the positive electrode of a battery 40 built into the probe 11 and to one input of an operational amplifier 31 . The output of the operational amplifier 31 is connected to the transistor 2 via a resistor 32 and a meter 33.
9 and the negative electrode of the battery 40 of the probe 11. Further, the output of the operational amplifier 31 is connected to the other input, and the resistor 3
4 to one input of the operational amplifier 37. This one input is connected to the emitter of the transistor 29 via a resistor 35 and a reference power supply 36. The output of the operational amplifier 37 is connected to the negative electrode of the reference power source 36 via resistors 38 and 39 in series, and is also connected to the relay 14 and the buzzer 20 via a diode 42.

According to the above configuration, each time the pulse A is generated from the pulse generator 15, that is, each time a discharge occurs, the transistor 29 is turned on and the battery 40 of the probe 11 is discharged. Therefore, as the frequency of use of the probe 11 increases, the voltage of the battery 40 decreases. This battery voltage is displayed on a meter 33 via a buffer composed of an operational amplifier 31. The scale of this meter corresponds to the number of discharges, and the number of discharges can be determined from this scale. The meter 33 has zone 4 corresponding to the life of the probe 11.
1 is marked, and when the scale of the meter 33 falls within this zone 41, it is determined that the probe 11 has reached the end of its life.

The output of the buffer 31, ie, the voltage of the battery 40, is compared with a reference value by a comparator constituted by an operational amplifier 37, and when it reaches a value corresponding to the lifespan, the output of the operational amplifier 37 is inverted. As a result, the buzzer 20 emits an alarm sound, the relay 14 is energized, and the probe 11 becomes unable to discharge.

According to the embodiment shown in FIG. 9, a light emitting element (light emitting diode) array 44 and a light receiving element (solar cell) array 45 are arranged vertically in parallel in the socket 10.
The respective elements have the same number and are arranged in correspondence with each other.
The plug 11b of the probe 11 is provided with an electrolytic integration meter 43. Electrolytic integration meter 43
is configured to electrochemically integrate the amount of energization when energized, and display the integrated value with a display mark 53. When the probe plug 11b equipped with the electrolytic integrating meter 43 is connected to the connector 10, the display mark 53 is connected to the light emitting diode array 44 and the light receiving element array 4 as shown in FIG.
It is located between 5 and 5.

As shown in FIG. 11, the emitter of a transistor 48 connected to the pulse generator 15 via a resistor 46 is connected to the cathode of the light emitting diode array 44 and to the negative electrode of a battery 49.
The collector of transistor 48 is connected to electrolytic integrating meter 43 via resistor 47. The positive electrode of the battery 49 is connected to the light emitting diode array 4 via a resistor 54.
4 and is also connected to an electrolytic integrating meter 43.

Each element of the solar cell array 45 is a current amplifier circuit 5
0 to corresponding light emitting elements of a light emitting diode array 52 through corresponding amplifiers and resistors 51 . The light emitting diode array 52 is attached to the panel of the discharge stone destruction device as shown in FIG.

According to the above-described discharge calculus destruction device, the transistor 48 is turned on every time a pulse is generated from the pulse generator 15, and the battery 4 is detected in the electrolytic integrating meter 43.
Current from 9 flows. This current moves the display mark 53 of the electrolytic integration meter 43 to indicate a value corresponding to the number of discharges. This display mark 53 is photoelectrically detected by a light emitting diode array 44 and a solar cell array 45. That is, the display mark 53
is detected by the light emitting element and light receiving element corresponding to that position. The output of the light receiving element is transmitted to the light emitting diode array 5 via the corresponding amplifier of the current amplification circuit 50.
2 corresponding light emitting diodes are driven. The number of discharges can be determined from the light emitting diodes of the light emitting diode array 52, and the remaining life of the probe 11 can be determined. A buzzer may sound when the light emitting diode corresponding to the end of life is illuminated, and a relay may be energized to disable discharge.

In the embodiment of FIG. 13, the electrolytic integrating meter 43
is provided so as to be visible from the outside of the probe plug 11b, and a battery 49 is built in the probe plug 11b. According to this, the number of discharges can be known by directly reading the meter.

According to the embodiment shown in FIG.
is formed by a flexible member. At the tip of this probe 61, a pair of discharge electrodes 62a, 6
2b is attached. These electrodes 62a, 62b
are terminals 63a provided at the rear end of the probe 61,
63b. This probe 61
A resistance unit 64 is built into the rear end of the unit.
Both ends of this resistance unit 64 are connected to terminals 63c and 63d provided at the rear end of the probe 61. The probe 61 is detachably connected to the stone destruction device.

AC power source 65 is connected to primary winding 67a of transformer 67 via power switch 66. A secondary winding 67b of the transformer 67 is connected to a charge/discharge circuit 69 via a diode bridge rectifier circuit 68. The charging/discharging circuit 69 is configured to output a pulsed voltage in response to receiving a discharge command signal from a control unit 71 composed of a CPU, for example, and its output terminal is connected to the probe 61. .

The secondary winding 67c of the transformer 67 is the constant voltage circuit 7
Connected to 0. An output terminal of this constant voltage circuit 70 is connected to a control section 71. This control section 71 is
In addition, a discharge switch 72, a light emitting diode 73,
It is connected to a resistance blowing circuit 74 and a resistance value detection circuit 75. The light emitting diode 73 is provided to notify the life span of the discharge electrode of the probe 61.

The resistor unit 64 includes a plurality of resistors R1, R2, R3, R4, and R5 connected in parallel. These resistors R1, R2, R3, R4, R
No. 5 has the characteristic of being fused by voltages of different values. The resistance fusing circuit 74 generates a voltage of a different value each time a fusing command signal is supplied from the control unit 71, for example,
It consists of a circuit that outputs a voltage that increases sequentially. The resistance value detection circuit 75 detects the resistance value of the resistance unit 64 of the probe 61 via the terminals 63c and 63d, and inputs information on the detected resistance value to the control section 71.

Next, the operation of the embodiment shown in FIGS. 14 and 15 will be explained. When the probe 61 is attached to the stone destruction device and the power switch 66 is turned on, the charging/discharging circuit 69 charges the built-in capacitor (for example, the capacitor 7 shown in FIG. 1), and the resistance value detection circuit 75 charges the probe 61. The resistance value of the resistance unit 64 is detected. When the discharge switch 72 is pressed when the resistance value of the resistance unit 64 is below a predetermined value,
A discharge command signal is output from the control section 71 to the charging/discharging circuit 69 . The charge/discharge circuit 69 makes the built-in discharge tube (discharge tube 8 in FIG. 1) conductive in response to the discharge command signal, discharges the built-in capacitor in a pulsed manner, and outputs a voltage pulse. The voltage pulse is applied to the discharge electrodes 62a, 62 via the terminals 63a, 63b of the probe 61.
b is applied to the discharge electrodes 62a, 62.
A discharge occurs between b and the stone is destroyed by this discharge. This discharge is performed every time the discharge switch 72 is turned on.

Each time the control unit 71 issues a discharge command signal, it counts up a built-in counter to count the number of discharges. When the count value of the counter reaches a predetermined value,
The control unit 71 inputs a fusing command signal to the resistance fusing circuit 74 . Resistor fusing circuit 74 inputs a fusing voltage to resistor unit 64 in response to the fusing command signal.
In the resistance unit 64, a resistance fusing circuit 74
For example, the resistor R1 is fused by the fusing voltage from . The resistor fusing circuit 74 supplies the resistor unit 64 with a voltage that increases sequentially each time it receives the fusing command signal, so that the resistors R1, R2, R3, R4, R
5 are sequentially fused by the applied voltage. When the resistors are sequentially fused and the resistance value of the resistance unit 6 exceeds a predetermined value, the control section 71 blinks the light emitting diode 73 in response to the output signal of the resistance value detection circuit 15, and also turns on and off the discharge circuit of the charge/discharge circuit 69. Place the system in a discharge inhibited state. The blinking of the light emitting diode 73 notifies the operator of the necessity of replacing the probe due to the end of the life of the discharge electrode.

When the probe 61 is replaced, the resistance value of the resistance unit 64 of the probe 61 is detected by the resistance value detection circuit 75. By replacing the probe, the resistance value of the resistor unit 64 becomes less than a predetermined value, so that the light emitting diode no longer blinks and the discharge can be resumed. In addition, when the probe 61 is not connected to the connector of the calculus destruction device, the resistance value detection circuit 75 detects an infinite resistance value, so the light emitting diode 73 blinks, and there is no connection between the discharge electrodes. Discharging is prohibited.

Resistors R1, R2, R3 of the resistance unit 64,
For example, the algorithm for fusing R4 and R5 is set as follows.

1 The first low antibody R1 at the 6th discharge after turning on the power
fuse.

2 After the first blowout, the resistors R2, R3, R4, and R5 are sequentially cut out every 500th discharge.

3 When all resistors are blown, the probe reaches the end of its life and an alarm sounds.

Under the above setting conditions, for example, assume that the life of the discharge electrode of the probe 61 is 2000 times. When six discharges occur after the first power is turned on, the resistor R1 is fused. After this, the discharge is performed one after another, and when the number of discharges reaches 500, the resistor R2 is blown out.
Further discharge occurs, and the number of discharges is 1000 times, 1500 times,
As the cycle progresses to 2000 times, resistors R3, R4, and R5 are sequentially blown out. When the resistor R5 is fused,
That is, when the life of the discharge electrode is reached, the light emitting diode 73 blinks and the discharge operation is prohibited.

When the number of discharges is less than 500, the resistor melts every time the power is turned on, so the light emitting diode 73 blinks after five times.

Another embodiment is shown in FIG. According to this embodiment, the display circuit 76 is connected to the resistance unit 64.
is connected. The circuit configuration of the display circuit 76 and the resistor unit 64 is shown in FIG. As shown in the circuit of FIG. 17, one output terminal of a resistance unit 64 constituted by resistors R1, R2, R3, R4, and R5 connected in parallel with each other is connected to a power source E via a resistor R6 of a display circuit 76. connected,
The other end is connected to the resistor R13 and to a reference potential pole, that is, a ground pole. Power source E is resistor R
7 to R12 in series to the resistor R13. Connection nodes of resistors R7 to R12 are connected to inverting input terminals of comparators U1 to U6, respectively.
Non-inverting input terminals of comparators U1 to U6 are connected to power supply E via resistor R6. Output terminals of comparators U1-U6 are connected to LEDs P1-P6 via resistors R14-R19, respectively.

Depending on the above connection state, comparators U1 to U6
Comparison reference voltages V1 to V6 are applied to the inverting input terminals of , respectively. The voltage V _p is the voltage appearing at the output terminal of the probe 61, that is, the voltage proportional to the output resistance of the resistor unit 64, and this voltage V _p is expressed by the following equation. The output terminals of comparators U1 to U6 are connected to LEDs P1 to P6 via resistors R14 to R19.
are connected to each.

V _p = E・R _p / (R _p + R6) R _p : Output resistance of the probe In the embodiment shown in FIG. 16, the power switch 66
When the discharge switch 72 is turned on when the output resistance value of the resistance unit 64 is equal to or less than a predetermined value, the control section 71 inputs a discharge command signal to the charging/discharging circuit 69. A discharge occurs between the discharge electrodes of the probe 61 in response to this discharge command signal. The number of discharges is counted by a counter built in the control section 71, and when this count value reaches a predetermined value, the control section 71 supplies a blowout command signal to the resistance blowing circuit 74. The resistor fusing circuit 74 supplies a fusing voltage to the resistor unit 64 in response to the fusing command signal, and the output resistance of the resistor unit 64 when all of the resistors R1 to R5 of the resistor unit 64 are not blown.
R _p 1 is expressed by the following formula.

R _p 1=R1//R2//R3//R4//R5 The voltage V _p 1 appearing at the output terminal of the probe 61 at this time has the value of the following equation.

V _p 1 = E・R _p 1/(R _p 1 + R6) This voltage V _p 1 is V _p 1 < V6 < V5 < V4 < V3 < V2 <
Since it is set so that V1<E, the LED
P1 to P6 are all lit.

If the probe 61 has been used twice in the past and the resistors R1 and R2 of the resistor unit 64 have been fused,
The output resistance R _p 2 of the resistance unit 64 at this time is expressed by the following equation.

R _p 2=R3//R4//R5 The voltage V _p 2 appearing at the output terminal of the probe 61 at this time has the value of the following equation.

V _p 2 = E・R _p 2 / (R _p 2 + R6) This voltage V _p 2 is V6 < V5 < V _p 2 < V4 < V3 < V2
Since it is set so that <V1<E,
LEDs P1 to P4 are turned on, and LEDs P4 and P5 are turned off. That is, it can be seen that the probe has been used twice in the past by turning off the LEDs P4 and P5.

As mentioned above, the resistors R1 to R5 of the resistor unit
are sequentially blown out according to the number of times the probe 61 is used, and the lit LEDs P1 to P6 are sequentially lit up each time the resistors R1 to R5 are sequentially blown out. Resistance R1
When all of ~R5 are fused, only LED P1 lights up, and all remaining LEDs P2 to P6 go out.
LED P1 produces red light, the remaining LEDs P2~P6
If the battery emits green light, the number of times it has been used can be determined from the number of green LEDs lit, and the discharge prohibition can be determined by the red LED light.

According to the embodiment shown in FIG. 16, assuming that the life of the discharge electrode of the probe is 2000 times, all of the resistors R1 to R5 are blown out by 2000 discharges.
Only LED P1 is lit and the probe becomes unusable. When the number of discharges is less than 500, the resistor is fused when the power is turned on and every 6 discharges. Therefore,
When the power is turned on five times, only LED P1 lights up, indicating that the probe cannot be used.

In the embodiment shown in FIG. 16, the number of LEDs corresponding to the number of unfused resistors is lit, but one LED provided corresponding to the output resistance value may be lit. Further, although a light emitting diode is used as a means for notifying the probe life, a buzzer or a sound generating device may also be used.

According to the embodiment shown in FIG. 18, the probe is provided with a fuse unit 81, and this fuse unit 81 is provided with a plurality of fuses F1 to F5. One ends of these fuses F1 to F5 are both connected to the terminal 82, and the other ends are connected to the contacts of the changeover switch 83, respectively. A common contact of the changeover switch 84 is connected to the terminal 83. Terminals 82 and 83 of the fuse unit 81 are connected to the fuse detector 8 when the probe is connected to the connector of the stone destruction device.
5 and the fuse blowing circuit 86.

In the embodiment shown in FIG. 18, it is assumed that the fuse F1 of the fuse unit 81 is blown and the changeover switch 84 is switched to the fuse F2. When the stone destruction device is powered on in this state, the fuse detector 85 detects the fuse F2 of the fuse unit 81. This fuse F
If 2 is not fused, it is determined that the probe can be used, and the discharge magnet can be executed by the calculus destruction device. When discharge stone crushing is performed, the fuse blowing circuit 86 supplies a fuse blowing current to the fuse F2 to blow the fuse F2. After this, the stone is destroyed by the shock wave of the discharge until the power is cut off.

When the power is turned off and then turned on again, the fuse detector 85 detects the fuse F2 again. At this time, the probe is determined to be unusable because the fuse F2 is blown. In this case, the changeover switch 84 is switched to the fuse F3, and the fuse detector 85 detects the fuse F3, thereby making the probe usable. In this way, each time the power is turned on, the fuse is blown and the fuse is switched.Fuse F5 is finally blown, and when the blown fuse is detected by the fuse detector, the probe equipped with this fuse unit is considered to be the lifespan.

To switch the fuse of fuse unit 81,
There are means shown in FIGS. 19 to 21. According to FIG. 19, a fuse cylinder 91 housing fuses F1 to F5 is rotatably attached to a connector 92. The fuse cylinder 91 is rotated by hand when switching the fuse.

According to FIG. 20, a cylindrical body 93 housing fuses F1 to F5 is rotatably mounted on the outer periphery of a connector 94. By rotating the cylindrical body 93 by hand, the fuses F1 to F5 are sequentially switched.

According to FIG. 21, a slide switch 95 is attached to a connector 96, and fuses F1 to F5 are connected to the contacts of this slide switch 95.
By sequentially switching the slide switch 95 from 1 to 5, fuses F1 to F5 are sequentially switched.

In addition, in FIGS. 19 to 21, the fuse cylinder 91, the cylinder body 93, and the slide switch 9 are shown.
5 is configured to be non-reversible. If these switching members are configured to be reversible, for example, the fuse F
1, the fuse F1 is switched to the fuse F2, and the fuse detector 85 detects the fuse F2.
When the switching member is returned to the fuse F1 again after detecting that the fuse F2 is not blown, the probe can be used permanently without the fuse F2 being blown.

According to the embodiment of FIG. 22, the connector pin 101a of the probe is connected to the contact 102. This contact 102 is connected to a paraffin member 104 by a connecting lever 103. Contact 102 is contacted by contact 105. The contact 105 is constituted by a resistive element, and is connected to one discharge electrode 10 via a stopper 106 that comes into contact with the paraffin member 104.
7a. The other discharge electrode 107b is connected to the connector pin 101b.

A discharge current is supplied to the probe shown in FIG. 22 through connectors 101a and 101b, and each time a discharge occurs between discharge electrodes 107a and 107b, a current flows through resistance stopper 106, and this stopper 10
6 is heated. The paraffin member 104 is melted by the heat of the stopper 106. Since the paraffin member 104 is pressed against the stopper 106 by the pressing force applied from the side of the contact point 102 by the spring 108, the paraffin member 104 is deformed by the heat of the stopper 106 generated each time electric discharge occurs. After a predetermined number of discharges, the paraffin member 10
4 is cut by the heat of the stopper 106, the paraffin member 104 comes off from the stopper 106,
Contact 102 is disconnected from contact 105 as shown in FIG. Therefore, no discharge current is supplied to the discharge electrodes 107a, 107b of this probe, making it impossible to discharge. That is, according to the embodiment shown in FIG. 22, the paraffin member 104 and the resistive stopper 106 function as a discharge electrode life detector, and the usage limit of the probe can be detected.

In the embodiment shown in FIG. 24, a discharge tube 110 is connected between discharge electrodes 111a and 111b of the probe. Generally, as the number of discharges between the discharge electrodes 111a and 111b increases, the discharge electrode 111
Due to wear and tear of discharge electrodes 111a and 111b,
11b increases. For this purpose, the discharge starting voltage is increased according to the electrode gap.

FIG. 25 shows the relationship between the number of discharges and the voltage. In this figure, a curve a shows the interelectrode discharge starting voltage, and straight lines b and c show the discharge voltage of the discharge tube 110 and the charging voltage of the capacitor 112, respectively. The discharge tube 113 is made conductive by the trigger pulse of the trigger circuit 114, and the charging voltage of the capacitor 112 is changed to the discharge tube 110 and the discharge electrodes 111a, 111b.
If the discharge starting voltage of the discharge electrode is lower than the discharge voltage of the discharge tube 110, a discharge will occur between the electrodes, but if the discharge starting voltage a becomes higher than the discharge voltage b of the discharge tube 110, the voltage will not be applied from the capacitor 112. The voltage generated by the discharge tube 110 is bypassed by the discharge tube 110.
This allows the life of the discharge electrode of the probe to be detected.

According to the embodiment shown in FIG. 26, the probe is provided with a memory 121 that stores data on the number of discharges detected in the discharge stone destruction device, for example, the count contents of the counter 18 in FIG. This memory 121 is connected to a switch drive circuit 122. The switch drive circuit 122 includes a comparator that compares reference data representing the predetermined number of discharges (the number of discharges corresponding to the electrode life) and data representing the actual number of discharges from the memory 121, and a drive signal is output from the output of this comparator. A driver is provided to do this. When the transistor 123 is turned off by this drive signal, the discharge circuit of the stone destruction device is opened. That is, discharge is prohibited.

According to the embodiment of FIG. 27, the discharge electrode 124
The discharge current flowing through a and 124b is detected by the current detection transformer 125, and the discharge current detected by the transformer 125 is stored in the analog memory 121. The stored contents of the analog memory 121, ie, actual discharge count data, are compared with reference data of the switch drive circuit 122.
A drive signal from switch drive circuit 122 turns off switch transistor 123. Discharging is prohibited by turning off the transistor 123.

According to the embodiment shown in FIG.
3 are combined. A rotary plate 134 is attached to the tip of this rotary contact 133. Rotating contact 13
3 includes a contact piece 133a that contacts the brush 135;
133b is provided. On the rotating plate 134,
As shown in FIG. 29, contact pieces 134a, 13
4b is provided. Contact pieces 134a, 134
b is brought into contact with contact pins 137a and 137b provided on a connector 137 connected to a calculus destruction device. Contact pieces 133a, 133b and contact piece 13
4a and 134b are connected to each other and to the discharge electrode via contacts 135a and 135b of the brush 135.

The pulse motor 132 is driven by drive pulses synchronized with discharge. This drive pulse can be obtained, for example, from a drive pulse generator that generates pulses in synchronization with the output of the monostable multivibrator 17 of the embodiment shown in FIG. When the pulse motor 132 is rotated by the drive pulse, the rotating contact 1 is rotated as the motor rotates.
33 and rotating plate 134 rotate. Rotating plate 134
Connector 137 of the stone destruction device during rotation of
When the contact pins 137a, 137b are in contact with the contacts 134a, 134b of the rotating plate 134, a discharge current flows through the contact pins 137a, 137b, the contact pieces 134a, 134b, the contact pieces 133a, 13
3b and brush contacts 135a, 135b to the discharge electrode. Contact pins 137a, 137
When b is located at a non-conducting portion of the rotary plate 134, the discharge current path is cut off and discharge is prohibited.

An indicator pin 138 attached to the rotating plate 134 moves together with the rotating plate 134 and indicates the number of discharges as shown in FIG. 30.

31 and 32 show the ratchet mechanism 141.
This figure shows an example in which the following is provided. According to this, the electromagnetic plunger 14 is located close to the rotating plate 142.
3 is provided, and when this electromagnetic plunger 143 is energized in synchronization with a trigger pulse that starts discharge, the ratchet mechanism 141 is operated and the rotary plate 142 is rotated by one step. Rotating plate 142
are sequentially rotated according to the operation of the ratchet mechanism, thereby making it possible to measure the number of discharges and detect the discharge life.

In the embodiment shown in FIG. 33, a rotating plate 143 connected to the shaft of the pulse motor 132 is provided with an insulating projection piece 143a. This protruding piece 143
A is inserted between the contact pin 131a of the probe connector 137 and the contact pin 137a of the connector 137 of the calculus destruction device when the rotary plate 143 rotates by an angle corresponding to the life of the discharge electrode (34th
figure). In this state, discharge becomes impossible and the life of the discharge electrode is detected.

In the embodiment of FIG. 35, the probe connector 13
1 is provided with a light emitting element 145 and a photosensitive film 146 that is sensitive to the light emitted from the light emitting element 145. The light emitting element 145 emits light in synchronization with the discharge, and the photosensitive film 146 is exposed according to the amount of light emitted by the light emitting element 145. The resistance value of the photosensitive film 146 increases as it is exposed to light, so if an electrode is connected to the photosensitive film 146 and a current is passed through the photosensitive film 146 through this electrode, this current will be as shown in the graph of FIG. photosensitive film 1
46 changes depending on the amount of exposure. Therefore, by detecting the current flowing through the photosensitive film 146, the number of discharges can be detected from the amount of current.

In the embodiment of FIG. 37, the probe connector 13
A heating resistor 147 is connected to the first contact pin 131b. This heating resistor 147 generates heat due to the discharge current supplied to the contact pin 131b, and generates heat rays or infrared rays. The photosensitive film 146 is exposed to heat or infrared radiation. Therefore, the life of the discharge electrode can be detected by detecting the current flowing through the photosensitive film 146 in the same manner as in the embodiment shown in FIG.

FIG. 38 shows a plurality of discharge probes 151 to 1.
55 are connected, and a probe checker 150 is shown for checking the number of times of use and life of these probes. This probe checker 150 has discharge check switches 156-160 below a connector to which probes 151-155 are connected. Furthermore, display panels 161 to 165 are provided at the top to display the number of times of use. Probes 151-155 are provided with memories for recording the number of discharges, and the number of discharges data stored in these memories is displayed on display panels 161-165, respectively. When the discharge check switches 156-160 are turned on, they can check whether the corresponding probe is discharged or not.

According to the embodiment shown in FIG. 39, it is connected to one end of an excitation coil 174 via a conductor 171a connected to an electrode line 172 of the probe. Conductor 1
72 is reinforced with a reinforcing material 173. The other end of the excitation coil 174 is connected to a connector terminal 176a via a bent conductor 175. This conductor 17
An iron core 177 is attached near one end of the coil 5, and this iron core 177 is inserted into the excitation coil 174. Electrode line 171b is connected to connector terminal 176b.

In FIG. 39, when a discharge current is supplied between terminals 176a and 176b, exciting coil 174 is excited and iron core 177 moves. This iron core 11
The movement of 7 is transmitted to the conductor 175, and this conductor 1
A bending force is applied to the bent portion 175a of 75. This bending force is generated every time the exciting coil 174 is excited by the discharge current. Therefore, as the number of discharges progresses, the bent portion 175a of the conductor 175 becomes fatigued and eventually breaks. This breakage of the conductor is determined to be the end of the discharge life.

FIG. 40 shows a modification of FIG. 39. According to this, a conductor 178 is arranged between the north pole and the south pole of the magnet 179. Every time a discharge current flows through the conductor 188, the conductor 178 vibrates according to Farade's left-hand rule. Therefore, as the discharge progresses, the conductor 178 undergoes metal fatigue and is eventually broken.

According to the embodiment of FIG. 41, the discharge electrode 181
A dummy connector 183, a dummy connector 184, and a main connector 185 are sequentially connected to the connector 182 provided with connectors a and 181b. A contact point A and a contact point B are provided in the concave portion of each of the connectors 182 to 184, and a contact point C is provided in the convex portion. A concave contact D is provided on the convex portion of the main connector 185.

Main connector 185 is dummy connector 184
, the contact A of the dummy connector 184 fits into the recessed contact D of the main connector 185. Main connector 185 is dummy connector 18
4, the contacts A of the dummy connector 184 are scraped off by the recessed contacts D of the main connector 185, and this dummy connector 184 cannot be used next time. Therefore, when using the probe for the second time, the main connector 185 is inserted into the dummy connector 183. In this way, the dummy connectors are replaced each time the probe is used, so the usage limit of the probe can be determined from the remaining dummy connectors.

According to the embodiment shown in FIG. 42, the probe is provided with a resistor 191, this resistor 191 is provided in the calculus destruction device, and is connected to a resistance value detector 192 that detects the resistance value of the resistor 191. Resistor 19
1, a laser 193 is disposed within the stone destruction device. The resistance value detector 192 and the laser 193 are
Connected to CPU 194. Resistance value detector 192
is connected to a display 195 that displays the resistance value.

As shown in FIG. 43, the resistor 191 includes a substrate 196, a resistive film 197 formed on the surface of the substrate 196, and an electrode 19 provided on the substrate 196.
8a and 198b. leather 19
The laser beam No. 3 is directed toward the resistive film 197 by a movable mirror 199, and irradiates the resistive film 197.

In the above configuration, the CPU 194 gives a driving command to the laser 193 upon receiving the discharge number data from the discharge number counter (for example, the counter 18 in FIG. 1). In response to this driving command, the laser 193
generates laser light, and the resistive film 19 of the resistor 191
Partially burn out 7. At this time, the resistor 191
Although the resistance value of electrode 198 increases, this resistance value
The resistance value is detected by the resistance value detector 192 via the resistance values a and 198b, and displayed on the display 195.

As described above, each time the discharge is performed a predetermined number of times, the resistance value 197 of the resistor 191 is burned away by the laser light, and the resistance value increases. When this resistance value reaches a predetermined value, the CPU 194 determines that the life of the discharge electrode has come to an end, and shuts off the discharge circuit system.

When the laser 193 burns out the resistive film 197 of the resistor 193, it is necessary to move the laser light to the unburned part. In this case, as shown in FIG. 44, weak laser light is irradiated from the laser 193 onto the surface of the resistor 196. This weak laser light is reflected from the plastic film coated on the surface of the resistive film 196, and when the reflected light is detected by the photodetector 200 via the half mirror 199, the laser generates laser light. If the weak laser light illuminates the burnt-out part and no reflected light is obtained, the half mirror 199 is moved,
The landing position of the laser light has been moved. Since reflected light is obtained at the moving position, the laser 193 can generate laser light.

According to the embodiment of FIG. 45, the probe has a memory 201 that stores the number of discharges or the number of times the power is turned on.
is provided. This memory 201 is a fuse
ROM, NV (non-volatile) RAM, battery backup RAM, and these memories and ROM
It is composed of memory in combination with. The fuse ROM is composed of, for example, a large number of fuses arranged in a matrix, and information is written by selectively blowing these fuses. NV RAM and battery backup RAM
is a memory that does not lose its contents even if the power is cut off.

Memory 201 is coupled to CPU 203 via an interface (IF) 202 of the stone destruction device. When fuse memory is used as memory 201, IF20 is
The fuses of the fuse memory are blown in response to a signal provided to the memory 201 via the memory 201. Therefore, the life of the square electrode can be determined from the number of remaining fuses in the fuse memory. This determination of the lifespan of the discharge electrode is performed by the CPU 203 monitoring the contents of the memory 201.

The NV RAM and the battery backup RAM store data supplied to the memory 201 via the IF 202 each time the power is turned on or discharged. The stored data is input to the CPU 203 via the IF 202 to monitor the discharge electrode life.
When the CPU 203 determines the discharge electrode life, the CPU
203 shuts off the discharge circuit system and prohibits discharge by the probe whose life has expired.

If the memory 201 stores a program that can generate a discharge pattern suitable for the probe, the probe can perform discharge with the optimal discharge pattern. Furthermore, if data representing the type of probe is stored in the memory, compatibility between the two can be checked when the probe is connected to the stone destruction device.

According to the embodiment shown in FIG. 46, in addition to the memory 201, a CPU 203 and a display 204 are included in the probe.
is stored. The CPU 203 stores these data in the memory 201 by receiving discharge count data or power-on count data sent from the stone destruction device main body via a signal line. When this memory 201 is a fuse memory, a fuse blowing signal is supplied as data to the CPU 203, and the fuse of the fuse memory is blown in response to this signal. The data stored in the memory 201 is displayed on the display 204 via the CPU 203. In this case, the probe and stone destruction device 10
0 and the number of signal lines can be significantly reduced.

In the embodiment of FIG. 47, the number of times the probe is used is mechanically measured. Connection pins 301a and 301b are provided inside the probe plug 300. A counter unit 302 is connected to the outside of the probe plug 300. A slide pin 303 is slidably provided on this counter unit 302. A counter drum 304 is rotatably provided adjacent to this slide pin 303. Around the counter drum 304 are numbers indicating the number of times it has been used. A slide groove 305 is provided at one end of the counter drum 304.
A protrusion 303a provided on the slide pin 303 is engaged with this slide groove 305. The other end of the counter drum 304 is elastically pressed by a pressing member 306.

When the probe plug 300 equipped with the counter unit 302 configured as described above is inserted into the socket 307 of the stone destruction device, the projection 307a provided on the socket 307 pushes the slide pin 303 of the plug 300. At this time, slide pin 30
The protrusion 303a of No. 3 slides on the slide groove 305 of the counter drum 304, causing the counter drum 304 to rotate. As a result, the count number "1" is transferred to the counter unit 302 as shown in FIG.
appears in the display window 302a. This number represents the first use of the probe.

After stone destruction treatment is completed, probe plug 3
00 is removed from the socket 307, the slide pin 303 is returned to its original position by the spring force. At this time, the counter drum 304 is connected to the locking groove 304 provided at the other end of the drum 304.
a and the engagement pin 30 provided on the pressing member 306
6a so as not to rotate.

When the probe plug 300 is inserted into the socket 307 again, the display window 302 goes through the same operation.
The number "2" appears in a. In this way, each time the probe plug 300 is inserted into the socket 307, the number in the display window 302a increases by one to display the number of times the probe has been used. The lifespan of the probe is determined from this number. When the counter drum 304 rotates a number of times corresponding to the probe life,
Protrusion 304b provided on counter drum 304
enters the recess 303b of the slide pin 303. In this state, the slide pin cannot be moved and subsequent use of the probe is prohibited.

In FIG. 49, a slide pin 311 is slidably inserted into the center of the counter drum 301. When this slide pin 311 is pushed in by the protrusion 307a of the socket 307 of the calculus destruction device, the slide groove 311a provided on the inner surface of the counter drum 310 and the protrusion 3 of the slide pin 311
Counter drum 310 due to interaction with 11a
rotates, and the counter unit 302 counts up.

FIG. 50 shows an embodiment using a disposable probe. An axial cylinder hole 402 is provided in the plug 401 of the probe. This cylinder hole 402 is provided so as to correspond in position to the pin 411 of the socket 410 of the stone destruction device. A piston 403 is slidably provided in the cylinder hole 402, and the piston 403 is urged outward by a spring 404. A horizontal hole 405 is provided in the probe plug 401 orthogonally to the cylinder hole 402 . A lock pin 406 is slidably provided in this side hole 405. This lock pin 405 is biased toward the piston 403 by a spring 407.

When probe plug 401 of FIG. 50 is coupled to socket 410 as shown in FIG.
Piston 403 of plug 401 is pushed into cylinder hole 402 by pin 411. At this time,
The piston 403 is disengaged from the lock pin 406, and the lock pin 406 is pushed into the cylinder hole 402 by the biasing force of the spring 407. The probe is used in this state, and the stone is destroyed by electric discharge at the discharge electrode of the probe.

When the stone destruction is completed, the probe plug 401
is pulled out from socket 410. At this time,
The locking pin 406 is completely inserted into the cylinder hole 402, and the cylinder hole 402 is closed by the locking pin 406 as shown in FIG. In this state, even if an attempt is made to connect the plug 401 to the socket 410 again, the pin 411 of the socket 410 comes into contact with the lock pin 406 of the plug 401, and the plug 401 cannot be connected to the socket 410. Therefore, this probe cannot be used again and is discarded. That is, the probe equipped with the plug shown in FIG. 50 is a disposable probe that is discarded after one use.

FIG. 53 shows a plug 421 of another example of a disposable probe. As shown in FIG. 54, the inner wall of the cylinder hole 422 provided in the plug 421 has a groove 423 extending in a spiral manner toward the bottom of the cylinder hole by about 90 degrees, and a straight groove communicating with the groove 423 and extending outward. 424 is formed. In this case, the straight groove 424 is formed in the cylinder wall so that the tip of the straight groove 424 is slightly longer than the tip of the threaded groove 423. Furthermore, a stepped portion 428 is provided at the tip of this straight groove 424 . A piston 425 is slidably inserted into the cylinder hole 422. A groove 426 is formed in the piston 425 to correspond to the groove 423 of the cylinder hole 422. A stopper spring 427 is fitted between this groove 426 and the cylinder groove 423.

When the plug 421 of FIG. 53 is coupled to the socket 430, the piston 425 of the plug 421 is pushed into the cylinder hole 422. At this time, the stopper spring 427 slides on the threaded groove 423 and rotates along with the piston 425 within the cylinder hole 422 by about 90 degrees.

Once the plug 421 is securely connected to the socket 430, a discharge voltage is applied to the discharge electrode of the probe, causing stone destruction. When the stone destruction is completed and the plug 421 is pulled out from the socket 430,
Along with this, the piston 425 is moved by the spring 429.
is pushed out from the cylinder hole 422 by. At this time, the stopper spring 427 moves along the linear groove 424 and reaches the step 428 at the end of the linear groove 424.
The tip of the cylinder 525 is inserted into the plug 42.
It is locked by a stopper spring 427 in a state slightly protruding from the end surface of 1. In this state, the cylinder 425 becomes immovable. Therefore, this probe cannot be reused and is discarded. In the plug 421 of the probe that cannot be reused, a portion of the piston 425 protrudes from the end face of the connector 421, as shown in FIG. 56, so that used probes can be easily identified.

In the embodiments described above, in order to extend the life of the discharge electrode, the discharge electrode is embedded in a probe tip made of a material having electrical insulation and high heat resistance, such as ceramic or glass, with the gap between the electrodes exposed. . When a probe with such a configuration is used, the probe tip is not damaged by heat generated when a discharge occurs between the electrodes, and the life of the probe is increased.

〔effect〕

According to this invention as described above, the life of the probe can be determined by counting the number of discharges of the probe, the integrated value of the discharge time of the probe, or the number of times the probe is connected and disconnected from the power supply means, so that defective probes can be detected in stone destruction treatment. It is possible to prevent treatment from proceeding without noticing, and safe and reliable stone destruction treatment can be performed.

[Brief explanation of the drawing]

FIG. 1 is a circuit diagram of a discharge stone destruction device according to an embodiment of the present invention, FIG. 2 is a front view of the discharge stone destruction device shown in FIG. 1, and FIG. 3 explains the operation of the device shown in FIG. 1. Fig. 4 is a perspective view of the probe and socket, Fig. 5 is another embodiment, and Fig. 6 is a circuit diagram of a discharge calculus destruction device having a memory for storing data on the number of discharges. Figure 5 is a perspective view of the probe and socket used in the discharge stone destruction device, Figure 7 is another embodiment, and Figure 8 is a circuit diagram of the discharge stone destruction device using battery discharge. Front view of the discharge stone destruction device, No. 9
The figure is a perspective view of the connector and socket used in the discharge stone destruction device of another embodiment, FIG. 10 is a cross-sectional view of the connector and socket of FIG. 9 coupled to each other, and FIG. A circuit diagram of the discharge stone destruction device used, FIG. 12 is a front view of the discharge stone destruction device of FIG. 11, and FIG. 13 is a perspective view of a probe socket used in the discharge stone destruction device of another embodiment. Fig. 14 shows another embodiment, and Fig. 15 is a circuit diagram of a discharge calculus destruction device provided with a resistor that is blown out each time the probe discharges. Fig. 15 is a circuit diagram of a resistor unit used in Fig. 14. The figure shows another embodiment, and is a circuit diagram of a discharge stone destruction device having a function of displaying the number of times the probe is used, No. 17.
The figure is a circuit diagram of a display circuit used in the discharge stone destruction device of FIG. 16, FIG. 18 is a circuit diagram of a probe fuse unit and life detection section used in the discharge stone destruction device of another embodiment, and FIG. 19 is a circuit diagram of a display circuit used in the discharge stone destruction device of FIG. to 21
The figures are perspective views of various plugs of the probe used in the embodiment shown in Fig. 18, Fig. 22 is a circuit diagram of the probe used in the discharge calculus destruction device of another embodiment, and Fig. 23 is a diagram of the plugs at the end of the electrode life. Figure 22 is a circuit diagram of the probe, Figure 24 is another example, and a circuit diagram of a discharge stone destruction device in which a discharge tube for detecting discharge voltage is connected to the probe, and Figure 25 is the relationship between the number of discharges and the discharge voltage. 26 is another embodiment, and FIG. 27 is a partial circuit diagram of a discharge stone destruction device provided with a memory for recording the number of discharges and a switch element for cutting off the discharge circuit, and FIG. 27 is another embodiment. Partial circuit diagram of a discharge stone destruction device equipped with a discharge current detector, a memory, and a discharge circuit cutoff switch element, Part 2
FIG. 8 is a configuration diagram of a probe connector used in a discharge stone destruction device of another embodiment, and FIG.
Figure 30 is a perspective view of the 28th connector, Figure 31 is a rear view of the life detection unit using an electromagnetic plunger, Figure 32 is an electromagnetic FIG. 33 is a perspective view of a life detection section provided in a probe used in another embodiment; FIG. 34 is a side view of the life detection section shown in FIG. 33 at the end of its life. Figure 35 is a configuration diagram of a probe connector that is used in other embodiments and is equipped with a life detection section having an LED and a photoreceptor, and Figure 36 is a configuration diagram of a probe connector equipped with an LED and a photoreceptor.
FIG. 37 is a graph showing the relationship between the amount of emitted light and the current flowing through the photoconductor, and FIG. The figure is a perspective view of a device for checking the lifespan of multiple probes, and Figures 39 and 40 are wiring of a lifespan detection section that is installed in various probes used in other embodiments and utilizes physical fatigue of conductive members. 41 is a sectional view of a probe having a plurality of connectors, which is used in another embodiment, and FIG. 42 is a circuit diagram of a life detection section using a laser, and FIG. Fig. 44 is a configuration diagram of the life detection unit shown in Fig. 42, Fig. 45 is a circuit diagram of a life detection unit using a memory that stores the number of discharges, and is used in another embodiment, and Fig. 46 is a diagram of another embodiment. FIGS. 47 and 48 are circuit diagrams of the life detection unit used in the example, in which the probe is equipped with a memory for storing the number of discharges and a number display; FIGS. 47 and 48 are configuration diagrams of the probe connector used in other examples; Fig. 49 is a sectional view of a connector of a probe used in another embodiment, Fig. 50 is a side view of a plug and socket of a probe used in a discharge calculus destruction device of another embodiment, and Fig. 51 is a cross-sectional view of a connector of a probe used in another embodiment. Fig. 50 is a side view of the plug and socket, Fig. 52 is a side view of the plug and socket after the plug has been removed from the socket in the state shown in Fig. 51, and Fig. 53 is a side view of the plug and socket used in another embodiment of the discharge stone destruction device. 54 is a cross-sectional view of the plug of FIG. 53; FIG. 55 is a cross-sectional view of the plug of FIG. 53 along line A-A'; FIG. The figure is a side view of the plug of a used probe. 5...Transistor switch circuit, 7...Capacitor, 8...Discharge tube, 10...Connector, 11
... Probe, 11a ... Discharge electrode, 13 ... Discharge start switch, 14 ... Relay, 15 ... Pulse generator, 18 ... Counter, 19 ... Display,
20...buzzer, 24...setting switch, 25...
...Counter, 26...Memory, 33...Meter,
43...Electrolytic integration meter, 44...Issuing diode array, 45...Solar cell array, 52...
Light emitting diode array, 61...Probe, 62
a, 62b...discharge electrode, 64...resistance unit, 69...charge/discharge circuit, 71...control unit, 73
...Light emitting diode, 74 ...Resistance fusing circuit, 7
5...Resistance value detection circuit, 76...Display circuit.

Claims (1)

[Scope of Claims] 1. A probe having a discharge electrode, a power supply means for applying a discharge voltage to the probe in order to generate a discharge in the discharge electrode, a counting means for counting the number of discharges of the probe, and the counting means for counting the number of discharges of the probe; A discharge calculus destruction device comprising a stop means for stopping the power supply means when the value from the means exceeds a set value. 2. A probe having a discharge electrode, a power supply means for applying a discharge voltage to the probe in order to generate a discharge in the discharge electrode, a counting means for cumulatively calculating the discharge time of the probe, and a value from the counting means A discharge calculus destruction device comprising a stop means for stopping the power supply means when a set value is exceeded. 3. A probe having a discharge electrode, a power feeding means for applying a discharge voltage to the probe in order to generate a discharge in the discharge electrode, a counting means for counting the number of times the probe and the power feeding means are attached and detached, and the counting means. and a stop means for stopping the power supply means when a value from the power source exceeds a set value.