JPS645891B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a system rack for an endoscopic system.

An endoscope system consisting of an endoscope body, a light source device, an air/water supply system, a suction device, a data generation device, etc. requires a system rack to house these system devices. As disclosed in Patent Publication No. 2749703 or German Utility Model Publication No. 6933990, a space suitable for storing each device is simply provided, and the system rack itself is It had no function. For example, since a control unit is provided for each function, each piece of equipment becomes expensive, and the system as a whole may require duplicate control elements, making it easier to simplify the system itself. It was not possible to reduce the cost and reduce the cost.

This invention was made in view of the above-mentioned circumstances, and by providing a control device for controlling each device in the system rack itself, it is possible to reduce the cost of each device and simplify the system itself. The present invention provides a system rack for an endoscope system.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view schematically showing a state in which each device of an endoscope system is housed in an endoscope system rack. As shown in the figure, each space is equipped with a light source device 6, an air/water supply/suction device 8, and a data generation device 10.
is stored. An endoscope 14 equipped with an endoscope camera 12 can be connected to a light source device 6 via a universal cord 16, and can also be connected to an air supply, water supply, and suction device 8 via a tube 17. can. In the system rack 2, plugs or connectors are provided on each partition plate 3, 4, 5 or side wall of the system rack 2 corresponding to each device, that is, each device, and there is no connection between each connector or the plugs. , partition plates 3, 4, 5 and system rack 2
They are connected by a signal transmission line and a power supply line arranged inside. That is, as shown in FIGS. 1 and 2, a first connector 22 for connecting to a plug 20 of an external computer 18 is provided on the first partition plate 3, and this connector 22 is connected to the second partition plate. A control device 2 as shown in FIG.
4 via a first signal transmission line 26 including an address bus and a data bus extending within the first partition plate 3, the side wall of the system rack, and the second partition plate 4. Further, a second connector 28 connected to the data generator 10 is provided on the first partition plate 3 on which the data generator 10 is placed, and the second connector 28 is connected to the first and It is connected to the control device 24 by a second signal transmission line 30 disposed in the second partition plates 3, 4 and the side wall of the system rack. Furthermore, a third partition plate 5 that partitions the space between the bottom surface of the system rack and the second partition plate 4 has air, water, and suction units stored in one of the spaces partitioned by this partition plate 5. A third connector 32 is provided, which is connected to the device 8, and which is connected to the device 8.
It is similarly connected to the control device 24 via a third signal transmission path 34 extending through the other spare space partitioned by the partition plate 5 . This control device 24
is connected to the light source device 6 provided on the second partition plate 4 via a fourth signal transmission path 36 extending from the control device 24 .

The control device 24 includes a microcomputer 40,
System controller 42 and bus driver 44
It has an input/output port 5 via a data bus 46, an address bus 48 and a control bus 50.
2 and 54, respectively. One input/output port 52 is connected via a buffer 38 to a control circuit 56 in the light source device 6 for controlling the light emission time of the light source, and this control circuit 56 is connected to the endoscope 14 and endoscope camera 12. connected to. The other input/output port 54 is connected to the connectors 22, 28, 32 via buffers 58, 60, 62.

From the system rack, there is a commercial power outlet 6.
A power cord 66 for connecting to the system rat 2 extends out, and this power cord 66 is connected to a terminal block 68 fixed to the bottom surface of the system rat 2 in the spare space. This terminal block 68 is connected to a DC power supply circuit 70 for AC/DC conversion, which is also provided on the bottom of the system rack in the spare space, and is connected to the AC power supply circuit 70 via a first AC power supply path 72 extending inside the spare space. 2
It is connected to a receptacle 74 provided on the partition plate 4 of. This receptacle 74 is connected to a plug 78 provided on a power cord 76 extending from the light source device 6 . Further, the terminal block 68 is connected to the air supply, water supply, and suction device 8 via a second AC power supply path 80 extending within the preliminary space.
The DC power supply circuit 70 is connected to the first and third connectors 22 and 28, respectively, through first and second DC power supply paths 82 and 84 extending within the system rack side wall and the first partition plate 3. , the data generator 10, and the external computer 18, respectively. Furthermore, the system rack 2 has ground terminals 86 and 88 connected to the ground terminals of each device.
is provided, and the ground terminal 90 of the system rack 2
Common grounding can be achieved by connecting to an external grounding terminal 94 via a grounding wire 92 extending from the grounding line 92 .

The endoscope system is configured as shown in FIG. 3, for example. That is, an endoscope camera 12 is attached to the endoscope 14 having an image guide 96 and a light guide 98, and an LED 102 for data imprinting is attached to the back of the film 100 attached to the endoscope camera 12. The data imprinting LED 102 is connected to a holding circuit 104 provided in the endoscope camera 12 that holds data to be imprinted, and is connected to the light source device 6 via a signal line extending within the universal cord 16.
The control circuit 56 is connected to an interface 106 of a control circuit 56 provided therein. In addition, endoscopic camera 1
A shutter release contact 110 that drives the shutter 108 of No. 4 and a suction switch 114 provided on the endoscope operating section 112 are similarly connected to this interface 106 via a signal line extending within the universal cord 16. There is. This endoscopic camera 14 is provided with a light receiving element 116 for photometry, an objective lens 118, and an image guide 9.
6 and a photographing lens 119 and is split by a beam splitter 120. This light receiving element 116 is
It is connected to the A/D converter 122 of the control circuit 56 via the signal line in the universal cord 16, and this A/D converter 122 is connected to the interface 10.
6. This interface 10
6 is also connected to the solenoid drive circuit 124, and the solenoid 126 driven by the solenoid drive circuit 124 has a shutter 1 for blocking the light source path from the light source 128 to the light guide 98.
30 is attached.

A suction conduit 132 is provided in the endoscope 14 extending from its distal end to the universal cord 6, and this suction conduit 132 is connected to air and water supply as well as a suction device through a tube 17 extending from the universal cord 6. 8, and this suction container 134 is connected to a suction pump 136. Power terminal 137 of this suction pump 136
The relay contact 140 of the relay 138 is connected to the terminal block 68 via the relay contact 140 and the second AC power path 80 . relay 1
38 is connected to the buffer 58 via an interface circuit 142 and a third signal transmission line 34.

In the embodiment shown in FIG. 3, only the suction device is shown as part of the air/water supply and suction device 8 for convenience of explanation, but the air supply, the water supply device, or both devices may be provided together with the suction device. It is something that can be done.

According to the system rack 2 for an endoscope system of the present invention as described above, each device 6, 8, 10 is installed in the system rack 2.
By connecting the devices 8, 10 to the connectors 24, 28, 32 provided in the system rack 2, the devices 6, 8, 10 can be connected to each other through signal transmission paths 30, 34,
Connected at 36. At the same time, each device 6, 8,
By connecting the ground terminals 10 to the ground terminals 86 and 88 of the system rack 2 and the ground wire 92 to the external ground terminal 94, all devices 6, 8, and 10 are grounded, and any leakage current is connected to the ground terminals. You can miss in 94. Furthermore, connector 2
4, 28, 32, connect the receptacle 74 and plug 78, connect the air/water supply and suction device 8 to the AC power supply path 80, and connect the system rack power switch (Fig. (not shown), each device 6, 8, 10
is supplied with DC power, AC power, or both. Furthermore, if necessary, the external computer 18 can be connected to the control unit 38 of the light source device 6 by attaching the plug 20 to the connector 22.

After each device of the endoscope system is housed in the system rack 2 in this way, the endoscope system is operated as follows. for example,
When taking a photo, use contact point 11 of the shutter release.
0 is closed, photographing light is supplied from the light source 128 of the light source device 6 to the light guide of the endoscope 14, and reflected light containing image information is supplied to the film 100 via the image guide 96. A part of it is detected by the light receiving element 116. This detected signal is supplied to the control circuit 56, A/D converted by the A/D converter 122, and given to the microcomputer 40 via the input/output port, where the exposure amount is calculated and its value is determined. Ru. When the determined exposure amount is reached, an exposure stop signal is supplied from the microcomputer 40 to the control circuit 56 via the input/output port 52, the solenoid drive circuit 124 is activated, the shutter 130 is positioned in the light source optical path, and the photographing light is supply is cut off. As a result, the image transmitted via the image guide with proper exposure is recorded on the film 100 of the endoscopic camera 12.

If data, such as the date and time of photography or the patient's name, is to be imprinted on the film at the same time as the photograph is taken, the necessary data is entered in advance using the data generator 10, and instructions are given to the microcomputer 40 via the input/output port 54. . Based on this instruction, the microcomputer 40 causes the holding circuit 104 of the endoscopic camera 12 to temporarily store necessary data via the input/output port 52. Release contact 1
10 is closed, the data imprinting LED 1
02 is driven and data is imprinted onto the film 100. Furthermore, when operating the air/water supply and suction device 8 using the operation section of the endoscope 14, the command signal generated when the suction switch 114 is closed is transmitted to the microcontroller via the control circuit 56 and the input/output port 52. is provided to computer 40. The microcomputer 40 decodes this and outputs the input/output port 5.
4, a necessary control signal is applied to the air/water supply and suction device 8, and the contact 140 of the relay 138 is closed. As a result, the suction pump 136 is activated to draw suction through the suction line 132 and tube 16. Furthermore, when a predetermined sequence is stored in the external computer 18 and the endoscope system is operated according to this sequence, necessary data is sequentially transmitted from the external computer 18 to the microcomputer 4 via the input/output port 54.
given to 0. Therefore, the microcomputer 40 will sequentially control each device 6, 8, 12 based on the provided data. Note that the signal transmission paths provided in the system rack 2 are not limited to those for the devices disclosed in the above-mentioned embodiments, but signal transmission paths for attached devices that are not necessarily required are provided to increase versatility. Also, one signal transmission path may be connected to various devices or
It is clear that it may be pre-designed for use in equipment. Further, the devices to be housed in the system rack are not limited to the above-mentioned air/water supply, suction device, and data imprinting device, but may also be an electric scalpel device or a laser scalpel device. In such a device, an operation command is given to a control device by a switch provided in an endoscope operating section, and the drive of the device is controlled by this control device.

As described above, according to the present invention, each device is not individually provided with a control device, but the system rack is provided with a control device for controlling the devices of the endoscope system. It is possible to realize cost reduction and to simplify the endoscope system.

[Brief explanation of the drawing]

FIG. 1 is a transparent perspective view schematically showing a system rat for an endoscope system, and FIG. 2 is a block diagram showing connections between each device shown in FIG.
1 is a block diagram schematically showing the endoscope system shown in FIG. 1. FIG. 2... System rack, 3, 4, 5... Partition plate,
6...Light source device, 8...Air and water supply and suction device, 1
0...Data generator, 12...Endoscope camera, 14
...Endoscope, 16...Universal cord, 17...Tube, 18...External computer, 20...Plug, 22, 28, 32...Connector, 24...Control device, 26, 30, 34, 36...Signal transmission line, 3
8, 58, 60, 62... buffer, 40... microcomputer, 42... system controller,
44...bus driver, 46...data bus, 48...
Address bus, 50...Control bus, 52,
54...I/O port, 58, 60, 62...Buffer, 64...Outlet, 66...Power cord, 68
... Terminal block, 70 ... DC current, 72, 80 ... AC power supply path, 74 ... Receptacle, 76 ... Power cord,
78...Plug, 82, 84...DC power supply path, 86,
88, 90...Earth terminal, 92...Earth wire, 94
...Earth terminal, 96...Image guide, 98...Light guide, 100...Film, 102...LED for data imprinting, 104...Holding circuit, 106...
Interface, 108...Shutter, 110...
Contact, 112...Operation unit, 114...Suction switch,
116... Light receiving element, 118... Objective lens, 120
...Beam splitter, 122...A/D converter, 1
24... Solenoid drive circuit, 126... Solenoid, 128... Light source, 130... Shutter, 132...
Suction pipe line, 134... Suction container, 136... Suction pump, 138... Relay, 140... Relay contact, 14
2...Interface.

Claims (1)

[Scope of Claims] 1. In a system rack for an endoscope system for housing each device of an endoscope system, the signals from the operation portion of each of the devices are processed, and each of the devices having the operation portion is processed. A system rack for an endoscope system, characterized in that it is equipped with a control device for driving other devices. 2. The system rack for an endoscope system according to claim 1, wherein the control device includes a microprocessor. 3. Claim 1, wherein the control device controls at least a light source device of an endoscope system.
The system rack for the endoscope system described in Section 1.