JP3162189B2 - Endoscope system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an endoscope system and an endoscope system for centrally controlling a treatment tool for a patient.

[0002]

2. Description of the Related Art In recent years, endoscopes capable of observing a subject such as an affected part by inserting an elongated insertion part into a living body or the like have been widely used. Further, a system has been developed which centrally manages a light source device, a video processor, and the like necessary for driving the endoscope, and centrally manages various devices such as a suction / water pump and a high-frequency ablation device used for treatment. In addition, the operator's work efficiency in treatment and the like is improved. In this type of conventional endoscope system, a doctor workstation and a monitor device that displays an observation image of the endoscope are arranged near a consultation table such as an electric bed device. The doctor workstation includes peripheral devices such as an endoscope, a light source device, a video processor, a high-frequency ablation device, a heat probe device, a suction pump and a water pump, and a host controller.

Each peripheral device is centrally managed by a host controller and its driving is controlled. Therefore, in this system, if any device of the peripheral device such as the light source device and the host controller runs away due to external noise or a software bug, all the devices of the system become uncontrollable, and unnecessary devices are in the operating state. There is a risk of becoming. Therefore, when a runaway occurs in the endoscope system, the user is required to use a high-frequency ablation device, a heat probe device,
The entire system was turned off to avoid harming the patient from the suction pump, water pump or electric bed.

[0004] By the way, when a runaway occurs in the endoscope system, an endoscope probe may be inserted into a patient's body. In this case, even if the power is turned off and then turned on again , the endoscope image is taken.
The light source lamp is turned on until the ignition switch is operated.
Do not light. Therefore, during this period, the endoscope image is checked.
The endoscope probe itself in the patient's body or
The treatment tool at the endoscope probe tip may harm the patient.
There is a very high risk that

[0005]

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and is intended to provide an endoscope image by returning to a normal state without turning off the power when the system runs away. It is an object of the present invention to provide an endoscope system capable of continuously observing and ensuring patient safety.

[0007]

SUMMARY OF THE INVENTION An endoscope system according to the present invention includes an endoscope apparatus controlled by centralized control means and peripheral equipment for providing medical treatment to a patient, the centralized control means, and the endoscope. Reset signal generating means for generating a reset signal for the device and the peripheral device; and when the reset signal indicates a reset, only the endoscope device is forcibly operated, and the operations of the central control device and the peripheral device are stopped. Resetting means for resetting.

[0008]

In the present invention, for example, when the centralized control means goes out of control, a reset signal is generated from the reset signal generating means. Then, the reset unit forcibly operates the endoscope apparatus to display the endoscope image, and stops the operations of the central control unit and the peripheral devices. This eliminates the risk of harm to the patient in the event of a system runaway.

[0009]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 relate to one embodiment of the present invention.
FIG. 1 is a block diagram showing an endoscope system according to an embodiment, and FIG.
FIG. 1 is an explanatory diagram illustrating an appearance of an endoscope system according to an embodiment.

As shown in FIG. 2, the endoscope system 1 comprises:
The electric bed device 2 is employed as a consultation table. The bed 2a of the electric bed device 2 can be moved by a driving unit. A monitor device 3 is provided on one side of the electric bed device 2, and an operator (not shown) located on the other side of the electric bed device 2 can perform treatment for a patient on the bed 2 a. At the same time, the endoscope image by the monitor device 3 can be easily observed. A workstation 4 is provided beside the surgeon.

A connector 5 is provided on the side of the workstation 4 on the side of the operator, and an endoscope 6 can be connected thereto. The light source device and the video processor of the endoscope, the high-frequency ablation device, the heat probe device, the suction pump device and the water supply pump device are the workstation 4
Is housed inside. An operation unit 7 of a host controller for controlling these various devices is provided on the workstation 4.
Are arranged, and the operation unit 7 is provided with a display unit 8 and a reset switch 9.

A foot switch 1 for controlling the electric bed apparatus 2 is provided on the operator side at the lower end of the side surface of the workstation 4.
0 is provided. A floor base 11 is provided on the floor between the workstation 4 and the electric bed apparatus 2 and the monitor apparatus 3, and wiring from a host controller is stored in the floor base 11. In addition, foot switches 12 and 13 for controlling the high-frequency ablation device and the heat probe device are provided on the operator side on the side of the floor base 11.

In the endoscope system 1 of the present embodiment,
As shown in FIG. 1, by the host controller 21,
Light source device 22, video processor 23, high-frequency ablation device 24, heat probe device 25, suction pump device 26,
The water supply pump device 27 and the electric bed device 2 are controlled. The host controller 21 is constituted by a microcomputer. The control unit 32 of the host controller 21 is connected to each of the control units 33 to 40 of the peripheral devices 2, 22 to 28, and can transmit and receive control signals. The control unit 32 outputs various control signals based on the operation of the operation unit 7 by the operator, and can control imaging and display of an endoscope image, an electric scalpel and a heat probe, and suction and water supply. It has become. An operation screen and the like are displayed on the display unit 8.

In this embodiment, the host controller 21 has a reset switch 9 for resetting the system by a user operation. The reset unit 31 detects the operation of the reset switch 9 and
When a watchdog timer ( not shown) is activated and a software runaway is detected, a reset signal is supplied to the host controller 21 and the control units 32 to 40 of the peripheral devices 2, 22 to 28. The control unit 32 of the host controller 21 also performs control based on the foot switch 10 for controlling the electric bed apparatus 2 and the foot switches 12 and 13 for controlling the high-frequency ablation apparatus 24 and the heat probe apparatus 25, respectively. It has become.

The light source device 22 includes a light source section 41 for an endoscope and a control section 34 for controlling the light source section 41. The control unit 34 transmits and receives a control signal to and from the control unit 32 of the host controller 21, and when a reset signal is input from the reset unit 31, forcibly sets the light source unit 41 to an operating state, and Light is supplied to the endoscope 6 .

A video processor section 42 of the video processor 23 receives an image pickup signal from the endoscope 6, converts the image pickup signal into a standard image signal by predetermined image processing, and outputs the standard image signal to the monitor device 3. The control unit 35 controls the video processor unit 42 by transmitting and receiving control signals to and from the control unit 32 of the host controller 21, and controls the reset unit 31.
When the reset signal is input, the video processor unit 42 is forcibly set to the operating state, and the endoscope video signal is output to the monitor device 3.

The high frequency ablation device 24 includes a high frequency ablation unit 44 and a control unit 36. The control unit 36 sends and receives control signals to and from the control unit 32 of the host controller 21 to control the high-frequency ablation unit 44. High frequency ablation part 4
4 drives an electric knife (not shown) under the control of the control unit 36. In addition, as described above, the high-frequency ablation device 44 can be controlled by the foot switch 12.
In this embodiment, when a reset signal is input from the host controller 21, the control unit 36 initializes the control unit 36 .

The control section 37 of the heat probe device 25 sends and receives control signals to and from the control section 32 of the host controller 21. The heat probe unit 45 drives a heat probe (not shown). The control unit 37 is based on the control signal
The control unit 37 controls the host controller 21
The heat probe unit 45 is initialized by a reset signal from the CPU. The heat probe device 25 can be controlled by the foot switch 13.

The suction pump device 26 has a control unit 38 and a suction pump 46. The control unit 38 sends and receives control signals to and from the control unit 32 of the host controller 21 to control the suction pump 46. . The suction pump 46 sucks a body fluid or the like from the distal end of the endoscope 6. In this embodiment, when a reset signal is input, the control unit 38
Is to be initialized.

The water pump 27 comprises a water pump 47 for sending water from the end of the endoscope 6 and a control unit 39 for controlling the water pump 47.
The control unit 39 sends and receives a control signal to and from the host controller 21 to control the water pump 47, and outputs a reset signal
Is input, the control unit 39 is initialized.
I have.

The electric bed apparatus 2 includes a control unit 33 and a drive unit 48. The control unit 33 sends and receives control signals to and from the control unit 32 of the host controller 21 to control the driving unit 48, and the driving unit 48 drives and moves the bed 2a. The electric bed device 2 can be controlled by a foot switch 10. In this embodiment,
The control unit 33 initializes the control unit 33 with a reset signal from the host controller 21.

In this embodiment, the drive units 48 of the peripheral devices 2, 22 to 27, the light source unit 41, the video processor unit 42, the high-frequency ablation unit 44, the heat probe unit 45, the suction pump 46 and the water supply pump 47 The AC power supply voltage is supplied via relays 51 to 57 of the power supply control device 28, respectively. The relays 51 to 57 are controlled on and off by the control unit 40. That is, the control unit 40 normally controls the control unit 3 of the host controller 21.
The relays 51 to 57 are controlled based on the control signal from the control unit 2. The control unit 40 does not turn on the relays 54 and 55 at the same time, so that the high-frequency ablation device 24 and the heat probe device 25 cannot be used at the same time. In this embodiment, when the reset signal from the reset unit 31 is supplied to the control unit 40, the control unit 40
Turns on the relays 52 and 53 and the other relays 51 and 54
Through 57 are turned off.

Next, the operation of the embodiment configured as described above will be described.

In normal use, the peripheral devices 2, 22 to 28 are controlled by the host controller 21. The user operates each of the peripheral devices by operating the operation unit 7 and the foot switches 10, 12, and 13 of the host controller 21. For example, when the endoscope 6 is inserted into a patient's body and an endoscope image is displayed on the monitor device 3, a control signal is transmitted from the control unit 32 of the host controller 21 to the control units 34 and 35. Then, the light source unit 41 and the video processor unit 42 are brought into an operation state. This place
In this case , the control unit 40 turns on the relays 52 and 53 to supply an AC power supply voltage to the light source unit 41 and the video processor unit 42. Further, when performing cauterization using a heat probe, first, the operation unit 7 of the host controller 21 is used to perform cauterization.
To turn on the probe probe power, and
A control signal is sent to the relay 40 and the relay 55 is turned on.
Thus, the AC power supply voltage is supplied to the heat probe 45. This
After that, the surgeon operates the foot switch 13 and
2 sends a control signal to the control unit 37, and
The valve unit 45 is in the operating state. The control unit 40 does not turn on the relays 54 and 55 at the same time, and the high-frequency ablation unit 44 and the heat probe unit 45 cannot be used simultaneously.

Here, it is assumed that software runaway occurs in the host controller 21. When a watchdog timer (not shown) detects a runaway of the software, the reset unit 31 generates a reset signal. The reset signal is supplied to the control unit 32 of the host controller 21 and the control unit 33 of the peripheral device 2, 22 to 28.
To 40. The control unit 32 of the host controller 21 is initialized by a reset signal. On the other hand, the control unit 40 turns on the relay 52 and the relay 53, and the control units 34 and 35 forcibly put the light source unit 41 and the video processor unit 42 into the operating state, respectively. Illumination light is supplied to the endoscope by the light source unit 41, the captured image signal is subjected to video processing by the video processor unit 42, and the captured video is displayed on the monitor device 3. That is, when a system runaway occurs, the control by the host controller 21 is stopped, but the endoscope image is continuously displayed.

On the other hand, the control unit 40
Turns off the relays 51, 54 to 57, and sets the control unit 33,
Initialize 36 to 39. That is, immediately after the runaway of the system, the operation of the electric bed device 2, the high-frequency cautery device 24, the heat probe device 25, the suction pump device 26, and the water supply pump device 27 stops. Thus, harm to the patient due to runaway of the system is prevented.

If the operator determines that the operation of the system is defective, the reset signal can be generated from the reset unit 31 by operating the reset switch 9, which is the same as when the system runs out of control. Can be processed
Can be

As described above, in the present embodiment, when a runaway or the like of the system occurs, the reset section 31 generates a reset signal and supplies the reset signal to the power supply control device 28. And video processor 23
A power supply voltage is supplied to the image-related equipment as described above, and the other high-frequency ablation device 24, heat probe device 25, suction pump device 26, water supply pump device 27, and electric bed device 2
It is adapted to stop the supply of power supply voltage for the devices having the potential to harm the patient as, shea
Even when the stem is abnormal , patient safety can be ensured.

It should be noted that in the apparatus shown in FIG.
The foot switch 10 for operating the electric bed device and the foot switches 12 and 13 for operating the high-frequency cauterizing device 24 or the heat probe device 25 are arranged at positions separated from each other. Erroneous induction ablation device 24 or heat probe device 2
5 can be prevented from being operated.

[0030]

As described above, according to the present invention, when the system goes out of control, the system can be returned to a normal state without turning off the power supply, so that the endoscopic image can be continuously observed and the patient can be observed. This has the effect that the safety of the vehicle can be ensured.

[Brief description of the drawings]

FIG. 1 is a block diagram showing one embodiment of an endoscope system according to the present invention.

FIG. 2 is an explanatory view showing the appearance of the embodiment of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 21 ... Host controller 22 ... Light source device 23 ... Video processor 24 ... High frequency ablation device 25 ... Heat probe device 26 ... Suction pump device 27 ... Water supply pump device 28 ... Power supply control device

Continuation of the front page (72) Inventor Hideyuki Shoji 2-43-2 Hatagaya, Shibuya-ku, Tokyo O-limpus Optical Industry Co., Ltd. (72) Inventor Hiroyuki Ushibo 2-43-2 Hatagaya, Shibuya-ku, Tokyo O-limpus Within Optical Industry Co., Ltd. (72) Inventor Mutsumi Oshima 2-43-2 Hatagaya, Shibuya-ku, Tokyo O Within Olympus Optical Industry Co., Ltd. (72) Inventor Kenya Inomata 2-43-2, Hatagaya, Shibuya-ku, Tokyo O Within the Olympus Optical Industry Co., Ltd. (72) Kazushi Takamizawa, inventor 2-43-2 Hatagaya, Shibuya-ku, Tokyo Oh, the Olympus Optical Industries Co., Ltd. (72) Masahiko Hamano 2-43-2, Hatagaya, Shibuya-ku, Tokyo, Japan Inside the Olympus Optical Co., Ltd. (72) Tomoyuki Aoyama, Inventor 2-43-2 Hatagaya, Shibuya-ku, Tokyo Inside the Olympus Optical Co., Ltd. (72) Toshiaki Nishikori 2-43-2, Hatagaya, Shibuya-ku, Tokyo Olympus Optical Co., Ltd. (56) Bibliography Patent Sho 58-69522 (JP, A) JP Akira 64-76829 (JP, A) (58 ) investigated the field (Int.Cl. ^7, DB name) A61B 1/00 - 1/32 G02B 23 /twenty four

Claims (1)

(57) [Claims] 1. An endoscope apparatus controlled by centralized control means and peripheral equipment for giving medical treatment to a patient, and a reset signal generating means for generating a reset signal for the centralized control means, endoscope apparatus and peripheral equipment. And reset means for forcibly operating only the endoscope apparatus when reset is instructed by the reset signal, and stopping operations of the centralized control means and peripheral devices. Endoscope system.