JP2001190498A - Medical electric appliance - Google Patents

Abstract

PROBLEM TO BE SOLVED: To realize a medical electric appliance excellent in electromagnetic shield performance and assemblability. SOLUTION: Inside the external part 21 of a video processor 5 as the medical electric appliance, a printed board 25 is provided with a circuit part for processing an image pickup signal fed from an image pickup device for an endoscope and a power source unit 27 having an internal power source part 26 for supplying a power source to the circuit part of this printed board 25. Concerning the unit 27, a power switch 22 provided through a front surface panel 21a, a power inlet 23 and each breaker 24 provided through a rear surface panel 21b are integrally mounted on the power source printed board 38 in the unit 27. These inlet 23 and breaker 24, the breaker 24 and the switch 22, the switch 22 and the part 26 are electrically connected to each other through wiring patterns 39a to 39c provided on this printed board 38.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

TECHNICAL FIELD The present invention relates to medical electrical equipment,
Particularly, the present invention relates to a medical electric device having a power supply structure.

[0002]

2. Description of the Related Art In recent years, there has been developed an electronic endoscope in which a solid-state image pickup device such as a CCD is provided in an observation optical system and an image pickup means for picking up a subject image formed by the observation optical system. This type of electronic endoscope is detachably connected to an electric device such as a video processor, and is configured to transmit a subject image to an electric device after being converted into an electric signal by a solid-state imaging device.

[0003] The electric equipment is connected to peripheral devices such as an observation monitor and a light source device, and includes a signal processing circuit for performing signal processing of an image signal sent from a solid-state imaging device of an electronic endoscope; A control switch for controlling the operation of the endoscope and peripheral devices, a power supply circuit, and the like are provided. The video signal output from the signal processing circuit is sent to an observation monitor and reproduced on a video reproduction screen of the monitor. Can be displayed.

In recent years, it has become increasingly common for general electric equipment to take measures against EMC (collectively, the problem of causing electromagnetic interference << EMI >> and the problem of receiving electromagnetic interference << EMS >>). The situation is as desired.

[0005] Such conventional medical electrical equipment used in the medical field is disclosed, for example, in Japanese Patent Application Laid-Open No. Hei 8-30471.
As disclosed in Japanese Patent Publication No. 3 (1993) -59, a power supply inlet provided on the rear panel side of an electric device or a power switch of a device on the front panel side via a harness from a breaker is connected, and a power switch and an internal power supply are connected by a harness. And a structure that connects the two.

[0006]

However, the medical electrical device described in Japanese Patent Application Laid-Open No. 8-304713 is provided with a breaker provided on the rear panel and a front panel, between the power inlet and the breaker. There is a problem that the harness is connected between the power switch and the power switch, and between the power switch and the internal power supply, and the effect of the harness deteriorates the electromagnetic shielding property.
Further, there is also a problem that the harness processing is complicated, and the assemblability is poor and complicated.

The present invention has been made in view of these circumstances, and an object of the present invention is to provide a medical electric device having a good electromagnetic shielding property and a good assembling property.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention relates to a medical electrical device having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, and a circuit provided inside the device. And a power supply unit for supplying power to the circuit unit, and a wiring electrically connected to at least each of the power switch and the power inlet is mounted and disposed in the power supply unit. With this configuration, a medical electric device having good electromagnetic shielding properties and good assemblability is realized.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to the drawings. (First Embodiment) FIGS. 1 and 2 relate to a first embodiment of the present invention, and FIG. 1 is an endoscope provided with a video processor as a medical electrical apparatus according to the first embodiment. FIG. 2 is an external view illustrating the overall configuration of the device, and FIG. 2 is an explanatory diagram illustrating the internal structure of the video processor of FIG.

In this embodiment, a configuration example of a video processor is shown as an example of medical electrical equipment. As shown in FIG. 1, an endoscope apparatus 1 according to the first embodiment includes, for example, a rigid endoscope (hereinafter simply referred to as an endoscope) 2 having an elongated and rigid insertion portion 11, and the endoscope 2. As an endoscope imaging device 3 detachably attached to the endoscope, a light source device 4 for supplying illumination light to the endoscope 2, and a medical electrical device for performing signal processing on the endoscope imaging device 3. And a monitor 6 for displaying a video signal output from the video processor 5.

The endoscope 2 has an elongated and rigid insertion portion 11.
And a large-diameter grip portion 1 connected to the rear end of the insertion portion 11.
2 and an eyepiece 13 formed at the rear end of the grip 12
A light guide cable 15 is connected to the base, and a connector 16 provided at an end of the light guide cable 15 is detachably attached to the light source device 4. Can be connected. By connecting the connector 16 of the light guide cable 15 to the light source device 4, white light from a lamp (not shown) in the light source device 4 is irradiated on the end face of the light guide, and the illumination light transmitted by this light guide is The light is supplied to a light guide in the endoscope 2 and is emitted forward from an illumination window at the distal end of the insertion section 11 to illuminate the subject. With the illumination light emitted from the illumination window, an optical image of the illuminated subject is formed by an objective lens (not shown) provided at the tip, and the formed image is formed by an eyepiece 13 by a relay optical system.
Side to be magnified through an eyepiece.

The endoscope imaging device 3 is detachably mounted on the eyepiece 13. This endoscope imaging device 3
Has a built-in solid-state image pickup device such as a CCD (not shown) as an image pickup device, and this solid-state image pickup device is attached to and detached from the video processor 5 by a signal cable 9 (internal signal line) extended from the endoscope image pickup device 3. It is connected to the video processor 5 via a flexible connector 10.

The video processor 5 performs signal processing on an image pickup signal photoelectrically converted by the solid-state image pickup device of the endoscope image pickup device 3 to generate a video signal, and displays an image on a display surface of a monitor 6. It has become.

Next, a detailed configuration of the video processor 5 as a medical electric device will be described with reference to FIG. As shown in FIG. 2, a power switch 22 provided on a front panel 21a (the left side in FIG. 2) is provided on an exterior portion 21 of the video processor 5.
And a rear panel 21b (right side in FIG. 2) provided with a power supply inlet 23 for connecting a power cable (not shown) to input commercial power from the outside and a breaker 24 for preventing an overcurrent from flowing. The front panel 2
An eaves (not shown) is provided on 1a to prevent the power switch 22 from leaking even when water is applied from the upper surface of the video processor 5. Further, the power switch 22 is provided on the front panel 21a so that the power switch 22 is turned on / off each time the power switch 22 is pressed once.

A printed circuit board 25 provided with a circuit unit (not shown) for processing an image signal from the endoscope image pickup device 3 is provided inside the exterior unit 21 of the video processor 5.
A power supply unit 27 having an internal power supply section 26 for supplying power to the circuit section of the printed board 25 is provided.

The printed circuit board 25 includes a patient circuit section 28 electrically separated from a commercial power supply and a patient circuit section 2.
The patient circuit unit 28 and the secondary circuit unit 29 are connected to each other by an isolation device (not shown) such as a photocoupler. ing.

The patient circuit section 28 is provided with a connector receiving section 31 for connecting the connector 10 for inputting an imaging signal from the endoscope imaging apparatus 3 through the front panel 21a. In the secondary circuit section 29, an output terminal 32 for outputting an endoscope image from the endoscope imaging device 3 to the monitor 7 is provided through the rear panel 21b. Although not shown, the secondary circuit unit 29 is provided so that the output terminal 32 is provided in an inverted L-shape without providing the patient circuit unit 28 in the longitudinal direction and surrounding the patient circuit unit 28.
May be configured.

The secondary circuit section 29 includes a front panel 21
A PC card slot (not shown) through which a PC card can be inserted is provided. Further, the secondary circuit unit 29
, An additional board for version upgrade can be installed. The patient circuit section 28 and the secondary circuit section 29 are provided with a shield case 33 so as to surround the periphery.

The patient circuit section 28 is provided with an internal dimming cable 34 for transmitting a signal for optimally controlling the amount of light of the light source device 3.
Is electrically connected to a dimming connector 35 integrally provided on the back panel 21b. The internal light control cable 34 is provided with a shield case 36 so as to surround the circumference. The internal light control cable 34 may be covered with a mesh tube (not shown) made of a conductor instead of the shield case 36.

The patient circuit section 28 and the secondary circuit section 29
Are electrically connected to the power supply unit 27 by a harness 37, and respective circuit units are supplied with power from the power supply unit 27 via the harness 37.

In the present embodiment, at least the power supply switch 22 and the power supply inlet 23 are electrically connected to each other in the power supply unit 27.

That is, the power supply unit 27 includes a power switch 22 provided through the front panel 21a,
Each of the power supply inlet 23 and the breaker 24 provided through the rear panel 21b is integrally mounted on a power supply printed circuit board 38 in the power supply unit 27,
The wiring pattern 39a provided on the power supply printed circuit board 38
39c, the power inlet 23 and the breaker 24, the breaker 24 and the power switch 22, and the power switch 22 and the internal power supply 26 are electrically connected.

More specifically, the power inlet 23 is electrically connected to the breaker 24 via a wiring pattern 39a, and the breaker 24 is electrically connected to the power switch 22 via a wiring pattern 39b.
Reference numeral 2 is electrically connected to the internal power supply unit 26 via a wiring pattern 39c, so that external commercial power is supplied by a power cable (not shown). In this embodiment, a fuse (not shown) may be provided on the power supply printed circuit board 38 instead of the breaker 24.

The video processor 5 configured as described above
The operation of will be described. A power cable connected to a commercial power supply (not shown) is connected to the power inlet 23. The power switch 2 provided here through the front panel 21a
When the button 2 is pressed, the power is transmitted from the power supply inlet 23 to the breaker 24 via the wiring pattern 39a provided on the power supply printed circuit board 38, and transmitted from the breaker 24 to the power switch 12 via the wiring pattern 39b. Then, from the power switch 12 to the wiring pattern 39c
Power is supplied to the internal power supply unit 26 via the. At the same time, power is supplied to the printed circuit board 25 via the harness 37. That is, the power of the video processor 5 is turned on. At this time, since the power switch 22, the power inlet 23, the breaker 24, and the internal power supply unit 26 are electrically connected by the wiring patterns 39a, 39b, and 39c, electromagnetic noise is generated or influenced by the electromagnetic noise. Less likely to receive

The video processor 5 supplies power to the endoscope imaging device 3, performs signal processing on an endoscope image signal captured by a solid-state imaging device (not shown) in the secondary circuit section 29, and connects the output terminal 32 to the output terminal 32. A video signal is supplied to the monitor 7 through the monitor 7 and an endoscope image is displayed on the monitor 7.

Although the patient circuit section 28 and the internal dimming cable 34 connected to the patient circuit section 28 are merely grounded via a capacitor (not shown) to the video processor 5, they are easily affected by electromagnetic noise. By covering with the shield case and the shield case 36 which do not
Electromagnetic noise is cut off. Here, when the electromagnetic switch 11 is pressed again, the supply of power to the power supply unit 27 is stopped, and the power of the video processor 5 is turned off.

If a high-voltage power supply is erroneously connected to the power supply inlet 23 and the power supply switch 22 is turned on, the breaker 24 makes a differential operation to cut off the supply of power to the power supply unit 27. Prevents the video processor 5 from breaking down.

As a result, the video processor 5 is electrically connected to the power switch 22, the power inlet 23, the breaker 24, and the internal power supply unit 26 in a wiring pattern without using a harness. In addition, since the power switch 22, the power inlet 23, and the breaker 24 are provided integrally with the internal power supply unit, an effect that the assemblability is good is obtained.

(Second Embodiment) FIGS. 3 and 4 relate to a second embodiment of the present invention, and FIG. 3 is an explanatory view for explaining a power supply unit having the second embodiment. 4 is a longitudinal sectional view of FIG.

In the first embodiment, the power switch 22, the power inlet 23, and the breaker 24 are configured to be mounted on the power printed circuit board 38. However, there are hardly any such commercially available products, and the connection is made by a harness. Because it is normal, the cost may increase. Therefore, in the second embodiment, a configuration is adopted in which the power supply printed circuit board 38 is electrically connected via a harness and a connector.
The other configuration is the same as that of FIG. 2, and thus the description is omitted, and the same configuration is denoted by the same reference numeral.

That is, as shown in FIG. 3, a power supply unit 40 provided with the second embodiment connects a power switch 22, a power inlet 23, and a breaker 24 via harnesses 41a to 41c and connectors 42a to 42c, respectively. In addition to being electrically connected to the power supply printed board 38, the wiring patterns 43a to 43
c, these connectors 42b and 42c,
The connector 42c is electrically connected to the connector 42a, and the connector 42a is electrically connected to the internal power supply unit 26.

More specifically, the power supply inlet 23 includes a harness 41b, a connector 42b, a wiring pattern 43a,
Breaker 2 via connector 42c and harness 41c
4 is electrically connected to the breaker 24 and the harness 41
c, connector 42c, wiring pattern 43b, connector 4
2a, is electrically connected to the power switch 22 via the harness 41a, and the power switch 22 is electrically connected to the internal power supply unit 26 via the harness 41a, the connector 42a, and the wiring pattern 43c, and is connected to a power cable (not shown). External commercial power is supplied.

The harnesses 41a to 41c are provided as short as possible. Although the connectors 42a to 42c are provided in the present embodiment, the harnesses 41a to 41c are provided.
41c may be directly soldered to the power supply printed circuit board 38, respectively.

The operation of the video processor 5 having the power supply unit 40 configured as described above will be described. A power cable connected to a commercial power supply (not shown) is connected to the power inlet 23. When the power switch 22 provided through the front panel 21a is pressed down, the power is transmitted from the power inlet 23 to the breaker 24 via the harness 41b, the connector 42b, the wiring pattern 43a, the connector 42c, and the harness 41c. 2
4 is transmitted to the power switch 22 through the harness 41c, the connector 42c, the wiring pattern 43b, the connector 42a, and the harness 41a, and the power is transmitted from the power switch 22 to the internal power supply unit 26 through the harness 41a, the connector 42a, and the wiring pattern 43c. Supplied.

As a result, as compared with the first embodiment, since the power switch 22, the power inlet 23, the breaker 24, and the internal power supply unit 26 are connected by the harnesses 41a to 41c, commercially available products can be used. , Cost can be reduced. Also, the harnesses 41a to 41c
Is reduced as much as possible, and an inexpensive power supply unit 40 can be supplied with almost no loss of electromagnetic shielding. Further, similarly to the first embodiment, the effect that the assemblability is good is obtained.

(Third Embodiment) FIGS. 5 and 6 relate to a third embodiment of the present invention, and FIG. 5 is an explanatory diagram for explaining a power switch according to the third embodiment. 5 (a) is an explanatory diagram illustrating a power switch composed of an external power switch and an internal power switch, and FIG. 5 (b) is a diagram (a) of FIG.
5 is an explanatory diagram when the external power switch is pressed down from the state of FIG. 5, and FIG. 6 is an explanatory diagram showing a modification of FIG.

In the first and second embodiments, the power switch 22 is provided integrally with the power unit through the front panel 21a. However, in the third embodiment, the power switch is provided. Are formed separately for the outside and the inside, and an external power switch is configured to be detachable from the power unit. The other configurations are the same as those of the first and second embodiments, so that the description will be omitted, and the same components will be described with the same reference numerals.

That is, as shown in FIG. 5, the power switch 50 according to the third embodiment includes an internal power switch 51 provided integrally with the power unit, and an external power switch 52 for turning on / off the power from the outside. It is composed of The internal power switch 51 is connected to the front panel 21 by a spring 53.
It is composed of a pressing body 54 constantly urged in the direction of a, and an internal switch portion 55 pressed by the pressing body 54 to perform switching.

The internal switch unit 55 includes a pressing body 54
Is provided. The internal switch unit 55 is electrically connected to wiring patterns 39b and 39c provided on a power supply printed circuit board. Although not shown, similarly to the description of the second embodiment (FIGS. 3 and 4), it may be configured to be electrically connected to the wiring patterns 39b and 39c via a harness and a connector. .

The spring 53 has one end fixed to the pressing body 54 and the other end fixed to a power supply unit chassis 56 provided in the power supply unit. The external power switch 52 is provided through the front panel 21a,
An engaging claw 52a having an elastic force that engages with an engaging hole 56a as an engaging portion formed in the power supply unit chassis 56 and integrates the external power switch 52 with the power supply unit.
Is provided.

The engaging claw 52a of the external power switch 52 and the engaging hole 56a of the power supply unit chassis 56
And the external power switch 52 is provided integrally with the power supply unit. When the external power switch 52 is depressed, the external power switch 52 presses the pressing body 54 of the internal power switch 51, as shown in FIG. The part 55 is pressed by the pressing body 54 so as to be turned on and off. Since the internal switch section 55 is an alternate (self-holding) switch, the power on / off of the video processor 5 is switched every time the state shown in FIG. 5A is changed to the state shown in FIG. 5B. It is configured to be.

The video processor 5 having the power switch 50 configured as described above operates the external power switch 52 to change the state from FIG. 5A to FIG. 26 turns ON, and returns to the state of FIG. When the external power switch 52 is pressed again, the internal power
The state becomes the FF, and returns to the state of FIG. 5A. Each time the external power switch 52 is pressed, the power of the video processor 5 is turned on and off.

As a result, by configuring the external power switch to be detachable from the power supply unit, the power supply unit only penetrates the rear panel 21b, and an effect of improving the assembling property is obtained.

Also, as shown in FIG.
When the pressing body 54 of the internal power switch 51 is provided in the internal power switch chassis 57 fixed to the power supply unit and biased in the direction of the front panel 21a by the spring 53,
Penetration portion 57a formed in internal power switch chassis 57
The pressing portion 54 may be used to press the protruding portion 55a protruding from the main body to turn on and off.

(Fourth Embodiment) FIGS. 7 and 9 relate to a fourth embodiment of the present invention, and FIG. 7 is an explanatory view for explaining a power switch provided with the fourth embodiment. , FIG.
FIG. 7A is an explanatory diagram illustrating a power switch composed of an external power switch and an internal power switch, FIG. 7B is an explanatory diagram when the external power switch is pressed from the state of FIG. 8 is an explanatory diagram showing a modification of FIG. 7, and FIG. 9 is an explanatory diagram showing another modification of FIG.

In the third embodiment, the front panel 2
1a and an external power switch 52 provided through
2a, and the engaging claw 52a is engaged with an engaging hole 56a formed in the power supply unit chassis 56 so as to be integrally provided with the power supply unit. However, in the fourth embodiment, the external power switch is provided. 52 is formed with an engaging hole.
4 is provided. The other configuration is the same as that of the third embodiment, and thus the description is omitted, and the same configuration is denoted by the same reference numeral.

That is, as shown in FIG. 7, the power switch 70 according to the fourth embodiment comprises an external power switch 52 having an engagement hole 71 as an engagement portion integrally engaged with the power unit. A pressing body 54 provided with an engaging claw 72 that engages with an engaging hole 71 of the external power switch 52; and an internal power switch 51 having an internal switch portion 55 pressed and turned on and off by the pressing body 54. Have been. The pressing body 54 is provided with a slit 35 for giving the engaging claw 72 an elastic force, and is always urged by the spring 53 in the direction of the front panel 21a.

The external power switch 52 is provided integrally with the power supply unit by engaging the engagement holes 71 of the external power switch 52 with the engagement claws 72 of the pressing body 54. Then, when the external power switch 52 is pressed, the external power switch 52 presses the pressing body 54 of the internal power switch 51 as shown in FIG. The part 55 is the pressing body 54
To be turned on and off.
Since the internal switch unit 55 is an alternative (self-holding type) switch, as described in the third embodiment (FIG. 5), the state shown in FIG. The configuration is such that the power on / off of the video processor 5 is switched every time the state is set to b). That is, every time the external power switch 52 is pressed, the power of the video processor 5 is turned on and off. As a result, an effect similar to that of the third embodiment is obtained.

Further, as shown in FIG.
The engaging portion 8 is formed on the pressing body 54 of the internal power switch 51.
1 and an engaging hole 82 is formed in the external power switch 52 and an elastic engaging claw 83 is provided. The engaging claw 40 is inserted into the engaging hole 39 so as to be integrated with the power supply unit. You may comprise.

Further, as shown in FIG.
A male screw 91 is formed on the pressing body 54 of the internal power switch 51, and a female screw 9 is formed on the external power switch 52.
2, the male screw portion 91 may be screwed into the female screw portion 92 so as to be integrated with the power supply unit.

The present invention is not limited to the above-described embodiment, but can be variously modified without departing from the spirit of the invention.

[Appendix] (Appendix 1) In a medical electrical apparatus having a power supply inlet for receiving power supply and a power switch for turning on / off the power supply, a circuit provided inside the apparatus and a power supply for the circuit are provided. A medical electric device comprising: a power supply unit for supplying; and a wiring electrically connected to at least each of the power switch and the power supply inlet mounted and disposed in the power supply unit.

(Additional Item 2) In a medical electrical apparatus having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, a circuit section provided inside the apparatus and a power supply for supplying power to the circuit section A medical electrical device comprising a unit, wherein at least each of the power switch and the power inlet is provided integrally with the power unit.

(Additional Item 3) In a medical electrical device having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, a circuit portion provided inside the device and an internal portion for supplying power to the circuit portion A power supply unit, and at least the internal power supply unit, the power switch, and the power supply inlet are provided on the same printed circuit board, and wiring is performed between the power supply inlet and the power supply switch and between the power supply switch and the internal power supply unit. Medical electrical equipment characterized by being electrically connected in a pattern.

(Supplementary Note 4) In a medical electrical apparatus having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, a circuit section provided inside the apparatus and an internal section for supplying power to the circuit section A power supply unit, a wiring pattern for electrically connecting at least the power supply inlet and the power switch and the internal power supply unit is provided on a printed circuit board, and at least one of the power supply inlet or the power switch and the wiring pattern A medical electrical device characterized by being electrically connected with a harness.

(Supplementary note 5) In a medical electrical device having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, an internal power supply unit for supplying power to a circuit unit provided inside the device, An internal power switch for turning on and off the internal power unit, and a power unit integrally provided with the power inlet, the internal power unit and the internal power switch, and the power unit and the external power switch are integrated. Medical electrical equipment characterized in that it is provided in a removable manner.

(Supplementary Note 6) The means for integrally and detachably configuring the power supply unit and the external power switch includes an engagement provided on one of the power supply unit and the external power switch. The medical electrical apparatus according to claim 5, wherein the medical electrical device includes a portion and an engaging claw having elasticity to engage with the engaging portion on the other side opposite to the engaging portion.

(Appendix 7) In a medical electrical apparatus having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, an internal power supply section for supplying power to a circuit section provided inside the apparatus. An internal power switch for turning on and off the internal power supply unit and the power supply inlet on the same printed circuit board, and between the power supply inlet and the internal power switch and between the internal power switch and the internal power supply unit. Are electrically connected by a wiring pattern to form a power supply unit, and the power supply unit and the external power switch are provided integrally and detachably.

(Supplementary Note 8) In a medical electrical apparatus having a power supply inlet for receiving power supply, a power switch for turning on and off the power supply, and a breaker for protecting an overcurrent from flowing into the apparatus, the medical apparatus may include: A power supply unit for supplying power to the provided circuit unit and the circuit unit, and at least each of the power switch, the power supply inlet, and the breaker are mounted on the power supply unit, and wiring for electrically connecting these is provided. A medical electrical device provided in the power supply unit.

(Appendix 9) In a medical electrical device having a power inlet for receiving power supply, a power switch for turning the power on and off, and a breaker for protecting an overcurrent from flowing into the device, A circuit section provided therein and an internal power supply section for supplying power to the circuit section. At least the internal power supply section, the power switch, the power supply inlet, and the breaker are provided on the same printed circuit board. A medical electrical apparatus, wherein a wiring pattern is electrically connected between the power supply switch and the breaker, between the breaker and the power switch, and between the power switch and the internal power supply unit.

(Supplementary Note 10) In a medical electrical device having a power supply inlet for receiving power supply, a power switch for turning on and off the power supply, and a breaker for protecting an overcurrent from flowing to the device, An internal power supply unit for supplying power to the provided circuit unit, an internal power switch for turning on and off the internal power unit, the power inlet, the breaker, the internal power unit and the internal power switch are integrally provided. And a power supply unit, wherein the power supply unit and the external power switch are provided integrally and detachably.

(Supplementary Note 11) The means for integrally and detachably configuring the power supply unit and the external power switch includes an engagement provided on one of the power supply unit and the external power switch. The medical electrical apparatus according to claim 10, wherein the medical electrical device includes a portion, and an engaging claw having elasticity that engages with the engaging portion on the other side opposite to the engaging portion.

(Supplementary Note 12) A medical power supply having a power supply inlet for receiving power supply provided on the back side of the housing of the device and a power switch for turning on / off the power supply provided on the front side of the housing of the device. In the device, a circuit unit provided inside the device and a power supply unit for supplying power to the circuit unit are provided, and wiring for electrically connecting at least each of the power switch and the power supply inlet is mounted in the power supply unit. A medical electrical device, which is provided.

(Supplementary Note 13) A medical power supply in which a power supply inlet for receiving power supply is provided on the back side of the housing of the device, and a power switch for turning on / off the power supply is provided on the front side of the housing of the device. In the device, a circuit unit provided inside the device and a power supply unit for supplying power to the circuit unit are provided, and at least each of the power switch and the power supply inlet is integrally provided in the power supply unit. Medical electrical equipment.

(Supplementary Note 14) A medical power supply in which a power supply inlet for receiving power supply is provided on the back side of the housing of the device, and a power switch for turning on / off the power supply is provided on the front side of the housing of the device. In the device, a circuit unit provided inside the device and an internal power supply unit for supplying power to the circuit unit, and at least the internal power supply unit and the power switch and the power supply inlet are provided on the same printed circuit board, A medical electrical device, wherein the power inlet and the power switch and the power switch and the internal power supply are electrically connected by a wiring pattern.

(Supplementary note 15) A medical power supply having a power supply inlet for receiving power supply provided on the back side of the housing of the device and a power switch for turning on / off the power supply provided on the front side of the housing of the device. A wiring pattern for electrically connecting at least the power inlet, the power switch, and the internal power supply unit with a circuit unit provided inside the device and an internal power supply unit for supplying power to the circuit unit; Is provided on a printed circuit board, and at least one of the power inlet or the power switch and the wiring pattern are electrically connected by a harness.

(Supplementary Note 16) A medical power supply having a power supply inlet for receiving power supply provided on the back side of the housing of the device and a power switch for turning on / off the power supply provided on the front side of the housing of the device. In the device, an internal power supply unit for supplying power to a circuit unit provided inside the device, an internal power switch for turning on and off the internal power unit, and the power inlet, the internal power unit, and the internal power switch are integrally formed. And a power supply unit provided in the medical device, wherein the power supply unit and the external power switch are integrally provided and detachably provided.

(Supplementary Note 17) The means for integrally and detachably configuring the power supply unit and the external power switch is an engagement provided on one of the power supply unit and the external power switch. The medical electrical apparatus according to claim 5, wherein the medical electrical device includes a portion and an engaging claw having elasticity to engage with the engaging portion on the other side opposite to the engaging portion.

(Supplementary Item 18) A medical electric power supply in which a power supply inlet for receiving power is provided on the back side of the housing of the device, and a power switch for turning on / off the power supply is provided on the front side of the housing of the device. In the device, an internal power supply unit for supplying power to a circuit unit provided inside the device, an internal power switch for turning on and off the internal power supply unit, and the power inlet are provided on the same printed circuit board, and the power inlet is A power supply unit is formed by electrically connecting a wiring pattern between the internal power switch and the internal power switch and the internal power supply unit, and integrally forms the power supply unit and the external power switch. Medical electrical equipment characterized by being provided detachably.

(Additional Item 19) A power supply inlet for receiving power supply and a breaker for protecting an overcurrent from flowing into the device are provided on the rear side of the housing of the device, and a power switch for turning on and off the power supply is provided as described above. In a medical electrical device provided on the front side of a housing of a device, the device includes a circuit unit provided inside the device and a power supply unit for supplying power to the circuit unit, and at least the power switch, the power inlet, and the breaker, Are mounted on the power supply unit, and wiring for electrically connecting them is arranged in the power supply unit.

(Appendix 20) A power supply inlet for receiving power supply and a breaker for protecting an overcurrent from flowing into the equipment are provided on the rear side of the housing of the equipment, and a power switch for turning on and off the power supply is provided by the power switch. In a medical electrical device provided on the front side of a housing of a device, the device includes a circuit unit provided inside the device and an internal power supply unit for supplying power to the circuit unit, and at least the internal power unit, the power switch, and A power inlet and the breaker are provided on the same printed circuit board, and wiring is performed between the power inlet and the breaker, between the breaker and the power switch, and between the power switch and the internal power supply unit. Medical electrical equipment characterized by being electrically connected in a pattern.

(Supplementary note 21) A power supply inlet for receiving power supply and a breaker for protecting an overcurrent from flowing into the equipment are provided on the rear side of the housing of the equipment, and a power switch for turning on and off the power supply is provided as described above. In a medical electrical device provided on the front side of a housing of a device, an internal power supply unit for supplying power to a circuit unit provided inside the device, an internal power switch for turning on and off the internal power unit, and the power inlet And a power supply unit integrally provided with the breaker and the internal power supply unit and the internal power switch, wherein the power supply unit and the external power switch are provided integrally and detachably. Characteristic medical electrical equipment.

(Supplementary Note 22) The means for integrally and detachably configuring the power supply unit and the external power switch is an engagement provided on one of the power supply unit and the external power switch. The medical electrical apparatus according to claim 10, wherein the medical electrical device includes a portion, and an engaging claw having elasticity that engages with the engaging portion on the other side opposite to the engaging portion.

[0074]

As described above, according to the present invention, the power supply inlet and the power switch, and the power switch and the internal power supply are electrically connected by the wiring pattern of the printed circuit board. And good assemblability are obtained.

[Brief description of the drawings]

FIG. 1 is an external view illustrating an overall configuration of an endoscope apparatus including a video processor as a medical electrical apparatus according to a first embodiment.

FIG. 2 is an explanatory diagram illustrating an internal structure of the video processor of FIG. 1;

FIG. 3 is an explanatory diagram illustrating a power supply unit including a second embodiment.

FIG. 4 is a longitudinal sectional view of FIG. 3;

FIG. 5 is an explanatory diagram illustrating a power switch according to a third embodiment.

FIG. 6 is an explanatory view showing a modification of FIG. 5;

FIG. 7 is an explanatory diagram illustrating a power switch including a fourth embodiment.

FIG. 8 is an explanatory diagram showing a modification of FIG. 7;

FIG. 9 is an explanatory view showing another modification of FIG. 7;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Endoscope apparatus 2 ... Endoscope (hard endoscope) 3 ... Endoscope imaging apparatus 4 ... Light source apparatus 5 ... Video processor (medical electrical equipment) 6 ... Monitor 21a ... Front panel 21b ... Back panel Reference Signs List 22 Power switch 23 Power inlet 24 Breaker 25 Printed circuit board 26 Internal power supply 27 Power supply units 39a to 39c Wiring pattern

Claims (1)

[Claims] 1. A medical electrical device having a power supply inlet for receiving power supply and a power switch for turning on and off the power supply, comprising: a circuit unit provided inside the device; and a power supply unit for supplying power to the circuit unit. A medical electrical device, wherein a wiring for electrically connecting at least each of the power switch and the power inlet is mounted and disposed in the power unit.