JPH02206454A - Footswitch on operation microscope - Google Patents

Abstract

PURPOSE:To arbitrarily select the arrangement position of an operation switch achieving specific function by making at least one of the arrangement and connection arrangement of respective operation switches alterable. CONSTITUTION:Respective operation switches 13-18 for electrically controlling the adjustment of the focus, variable power and brightness of an operation microscope have transmitters transmitting different ultrasonic signals respectively therein and also have the fixing members of magnets provided to the rears thereof and are provided to a footswitch 12 at arbitrary positions in a detachable manner. For example, when an operator pusheses the focus raising operation switch 15 of the footswitch 12 by his foot, an ultrasonic signal for the raising driving of a focus is transmitted to be received by a receiving part 19 and a control part 20 confirms that this signal is one for the raising driving of the focus and an operation signal is inputted to the receiving part 22 of a stand electric mount part 1 through a transmission part 21 and a drive signal is outputted to a focus driving part 24 from a control part 23 to move a mirror body in a focus raising direction and, when the foot is separated from the operation switch 15, the microscope is stopped at that position.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a foot switch for electrically controlling a surgical microscope.

[Conventional technology]

When performing surgery using a surgical microscope, in order to observe the surgical site under magnification, the mirror body and other parts of the microscope are moved to adjust the focus, magnification, brightness, etc. as necessary. Operation is performed by a foot switch.

This type of surgical microscope and foot switch will be explained with reference to the schematic diagram shown in FIG. 11. In the figure, 1' is a pedestal electrical component, 2 is a column supported by the pedestal electrical component 1', and 3 is the top of the column 2. 4 is an arm attached to the support 2; 5 is a mirror body of a stereomicroscope attached to the free end of the arm 4 via an electric focusing device 6; 7 is a mirror body attached to the lamp house 3; 5 is a light guide for guiding illumination light to an illumination optical system (not shown) incorporated in 5; 8 is a gantry electrical equipment section 1;
This is a foot switch for operating an electric magnification device and an electric focusing device 6 (not shown) built in the mirror body 5 via a control circuit (not shown) built in '. In this foot switch 8, 9 is a seesaw pedal type switch that moves the mirror body 5 in the up or down direction via the electric focusing device 6, and 10 is a seesaw pedal that changes the magnification of the mirror body using an electric magnification variable device. It is a type switch, and both switches 9. IO is fixedly arranged on the foot switch 8.

During operation, the operator must perform any operation such as focusing up or down for focus adjustment, or increasing or decreasing magnification for magnification conversion, while observing the surgical site without looking at the switch to be pressed. become.

[Problem to be solved by the invention]

However, operation switches 9. Since the IO etc. are fixedly arranged on the foot switch 8, if the arrangement position of the operation switches 9, 10, etc. is different from the operator's preference or the arrangement order to which he or she is accustomed, there is a problem that it becomes very difficult to operate. there were.

This was particularly noticeable when multiple surgeons jointly operated one foot switch.

SUMMARY OF THE INVENTION In view of these problems, it is an object of the present invention to provide a foot switch for a surgical microscope in which the position of an operation switch that performs a specific function can be arbitrarily selected.

[Means and effects for solving the problem] The foot switch for a surgical microscope according to the present invention can focus the surgical microscope,
In devices equipped with a plurality of operation switches for electrically controlling adjustment of magnification, brightness, etc., by making it possible to change at least one of the arrangement of each operation switch and the wiring arrangement of these operation switches, The arrangement position of the operation switch that performs the function can be arbitrarily selected.

Therefore, it is possible to change the arrangement or wiring so that the operation switch that performs a frequently used function is located at the position where the operator can most easily operate the foot switch.

〔Example〕

Hereinafter, a first embodiment of the present invention will be described based on a perspective view of a foot switch shown in FIG. 1 and a block diagram of an operation control system shown in FIG.

Reference numeral 12 denotes a foot switch for inputting an operation signal to the electrical equipment section l of the mount; in this foot switch 12, reference numeral 13 denotes a magnification-up operation switch that transmits an ultrasonic signal for driving up magnification when pressed; and 14, when pressed. 15 is a focusing up operation switch that transmits an ultrasonic signal for driving focusing up when pressed; 16 is a focusing down operation switch that is pressed to transmit an ultrasonic signal for driving down focusing. A focusing down operation switch 17 transmits an ultrasonic signal for driving, a lighting operation switch 17 transmits an ultrasonic signal that turns the illumination device 3 ON and OFF when pressed, and 18 a focusing down operation switch that transmits an ultrasonic signal that turns the illumination device 3 ON and OFF when pressed. It is a photographing operation switch for taking photographs, and each of the operation switches 13 to 18 has a transmitting device for transmitting a different ultrasonic signal inside, and is equipped with a fixed member (not shown) such as a magnet on the back side. It is detachably attached to any position of the foot switch 12. 19
20 is a receiving unit provided in the foot switch 12 and receives each ultrasonic signal transmitted from each operation switch 13 to 18; 20 is a control unit that identifies and controls these signals;
Reference numeral 21 denotes a transmitting unit that transmits each signal controlled by the control unit 20 as an operation signal to the gantry electrical equipment unit 1, and the means for transmitting to the gantry electrical equipment unit 1 may be one connected to a cord or one using ordinary ultrasonic waves. But that's fine. 22 is a receiving unit that receives the operation signal sent to the gantry electrical equipment unit l; 23 is a control unit to which the received signal is input; and 23 is a control unit to which the received signal is input. Driving unit 25 for variable magnification of the variable magnification device. A drive signal is output to the lighting device 26 or the photographing device 27 equipped with the lamp house 3, so that a desired operation can be performed.

Since this embodiment is configured as described above, for example, the operator can operate the focus up operation switch 15 of the foot switch I2.
When you press with your foot, an ultrasonic signal for focusing up drive is transmitted and received by the receiving section 19, and the control section 20 recognizes that this signal is a signal for focusing up driving, and transmits it to the transmitting section 21.
An operation signal is input to the receiving section 22 of the gantry electrical equipment section 1 via the control section 23, a drive signal from the control section 23 is output to the focusing drive section 24, the mirror body 5 moves in the focusing direction, and the foot is operated. When the switch 15 is released, it stops at that position.

When other operation switches are pressed, the control is performed in the same manner.

Further, if the arrangement positions of the operating switches 13 to 18 shown in FIG. 1 are not preferable to the operator, they may be rearranged in any order, for example, in the arrangement order shown in FIG. 3. In this case as well, when any operation switch is pressed, a corresponding ultrasonic signal is received by the receiving section 19 of the foot switch 12, and the desired drive is performed.

As described above, according to this embodiment, each of the operation switches 13 to 18 that emit different ultrasonic waves can be placed at any position on the foot switch, so the operation switches can be arranged according to the surgeon's preference and familiarity. Operability is greatly improved, as the order can be changed and the spacing and position of each operation switch can be set according to the size of the foot, which is especially convenient when used by multiple surgeons at the same time. Further, depending on the type of surgery, unnecessary operation switches can be removed, and errors and anxiety such as erroneous operation caused by unnecessary operation switches can be eliminated.

Next, a second embodiment of the present invention is shown in FIG. 4, which is a perspective view of a foot switch, FIG. 5 (A) to (D), which are perspective views of a pedal unit, and FIG. 6, which is a block diagram of an operation control system. The explanation will be based on the same parts as in the first embodiment, but the same reference numerals will be used for the same parts as in the first embodiment, and the explanation will be omitted.

29 is drilled in the foot switch ■2 and the keyway 29
The groove 29 has four types of light receiving elements a, bcl, and dl provided at the bottom of the groove 29, and each light receiving element abl+cl+dl receives light from a light emitting element to be described later. When this happens, a signal for increasing the black ratio, a signal for decreasing focusing, a signal for increasing magnification, and a signal for decreasing magnification are output, respectively. 30, 31, 32 are the groove 29 and the light receiving element al +
t)l T Cl + dl grooves having the same arrangement and the same structure, 33 is a pedal unit for focusing up that fits into the valley grooves 29 to 32, and is a cylindrical pedal unit with a built-in power source (not shown) On the bottom surface of the main body 33a, a light emitting element a2 corresponding to the light receiving element a1 in a fitted state + a key groove 29 a
, 30a, 31a, and 32a are provided, respectively, and a pedal 33c is provided at the top, which is displaced when pressed to cause the light emitting element a2 to emit light. 34, 35° 36 are pedal units for decreasing the black ratio, increasing magnification, and decreasing magnification, respectively, having the same structure as the pedal unit 33, but including a light emitting element b 2 + a light receiving element corresponding to the light receiving element b1. The difference is that a light emitting element CI+ corresponding to c1, a light emitting element d2 corresponding to a light receiving element d, and a light emitting element d2 are respectively provided (Fig. 5 (A) to (D)).
reference). The light from the light receiving element of each pedal unit 33 to 36 is made to enter only the corresponding light receiving element when each unit is fitted into one of the grooves 29 to 32.

The present embodiment is configured as described above, and for example, each pedal unit 33, 34, 35, 36 is connected to the foot switch 1.
If the operator presses the pedal 34c while the light emitting element b is fitted into the grooves 29, 30, 31 and 32 of No.
2 emits light and the light enters only the light receiving element 2, and a signal for driving down the focus is output, and the receiving section 22 of the gantry electrical equipment section 1
, and the mirror body 5 moves in the focusing down direction as in the first embodiment. other pedal units) 33c, 35c or 3
The same applies when pressing 6c. Moreover, even if each pedal unit 33, 34, 35.36 is replaced with another arbitrary groove, each pedal unit 33, 34, 35.36
is the own key 33b.

34b, 35b, 36b and a valley keyway 29a.

30a, 31a, 32b, each light emitting element a2 r b2 + CI + d
2 is always the corresponding light receiving element al+ b++ C1+
A desired signal is transmitted in combination with dl.

Therefore, according to this embodiment, the arrangement positions of the pedal units 33, 34, 35, 36 that perform each function can be arbitrarily selected, and since the light emitting element and the light receiving element are arranged in the pedal unit and the groove, respectively. Good waterproof properties.

7 and 8 show a third embodiment that is partially different from the second embodiment, and the same parts as in the second embodiment will be described using the same reference numerals.

In the figure, a 3 , b 8g Cs + d a are microswitches respectively arranged at the positions of the light receiving elements al, bl, cl, and dl in the second embodiment of the grooves 29, 30, 31, and 32. By turning on the switch, each microswitch a3 + bs l CI +
From d3, a signal for driving to increase black ratio, a signal for driving down focusing, a signal for increasing magnification driving, and a signal for driving down magnification are outputted.

at + bs + Ct + dt are pins movably arranged at the positions of each light emitting element a2 r b2 + C2T d2 in the second embodiment of each pedal unit 33, 34, 35, 36, Pedal 33C234 (, 35c, 36c, each pin a+ + t when not pressed) t I Ct +
d and the main body 33a, respectively.

34a, 35a, 36a, each pedal 33c, 34c, 3
When 5 c and 36 c are pressed, they protrude to the outside (see Fig. 8 (A) to (D)), each pin at + b4
+ Ct + l presses corresponding microswitches ai + bl + C3d to turn them on.

Therefore, according to this embodiment, the placement positions of the pedal units 33, 34, 35, and 36 that perform each function can be arbitrarily selected, and operations corresponding to the pedal units can be performed no matter which groove they are fitted into. can.

Further, since a power source for light emission as in the second embodiment is not required, the foot switch can be made smaller and lighter, and the manufacturing cost can be reduced.

In addition, micro switch al + bl + C3+
A photosensor may be provided in place of d3.

Next, a fourth embodiment of the present invention will be described based on an exploded perspective view of a foot switch and an array package shown in FIG. 9, and a connection example shown in FIG. 10.

In the figure, 38 is a foot switch, 39 is a first pedal that turns on the normally open switch S1 when pressed, 40 is a normally open switch S when pressed;
A second pedal 41 turns on the normally open switch S when pressed, and a third pedal 41 turns on the normally open switch S.
42 is a fourth pedal that turns on the normally open switch S4 when pressed; 43 is a package connector provided on the side of the foot switch 38; 47 are switches s, , s2 . The pins 48, 49, 50, and 51 connected to s, , and s are the pins that are connected to the mount electrical equipment section 1, respectively, and when a signal is input to pin 48, the focus up drive is performed. A signal for focusing is output from the mount electrical component l, and when a signal is input to the pin 49, a signal for driving down focusing is output from the gantry electrical component l, and when a signal is input to pin 50, the magnification is increased. The drive signal is sent to the stand electrical equipment section 1.
When a signal is input to the pin 51, a signal for zooming down drive is output from the gantry electrical equipment section 1. 52 is attached to the package connector 43 and pins 44, 45° 46.47 and pins 48, 49, 50
．． This package 52 has connecting pins 53 a, 53 b, 53 c, which are connected to each pin 44 to 51, respectively.
53 d and 54 a, 54 b, 54 c,
54d are connected with four jumper wires 55. In the connection example shown in Figure 1O, the package connector 43
pins 44 and 48. Pin 45 and pin 50. pin 46
A jumper wire 55 is connected so that the pin 49 and the pin 47 are connected to the pin 51.

Since the present embodiment is configured as described above, for example, when the second pedal 40 is depressed, the switch S is turned ONL, and the pin 4 is turned ON.
A signal is transmitted from the mirror body 5 to the pin 50, and a signal for driving the magnification up is outputted from the gantry electrical component 1, and the magnification increasing operation of the mirror body 5 is performed. Similarly, when the other pedals 39, 41, and 42 are depressed, the corresponding operations are executed.

Therefore, by creating several types of array packages 52 in which the connections of the jumper wires 55 are changed, the functions of each pedal 39, 40, 41, 42 can be changed simply by replacing the array package 52. It is possible to produce the same effects as when changing the arrangement position of the pedals. Particularly in the case of this embodiment, one array package 5
Since it is only necessary to replace 2, the modification is easy and can be produced at a lower cost than other embodiments.

Incidentally, in the second to fourth embodiments, the ON-OFF and photography operation switches for the illumination device are omitted, but it goes without saying that the structure may include these operation switches.

Moreover, the pedal units 33 to 36. The first to fourth pedals 39 to 42 constitute operation switches.

〔Effect of the invention〕

As described above, according to the foot switch of the surgical microscope according to the present invention, the arrangement position of the plurality of operation switches or the function of each operation switch can be easily changed, so that an individual surgeon or a plurality of operators can perform each operation. The switch can be adjusted for easy operation, making it possible to perform the surgery smoothly, improving the safety of the surgery, and shortening the operation time.

[Brief explanation of the drawing]

1 to 3 show a first embodiment of the present invention, in which FIG. 1 is a perspective view of a foot switch, FIG. 2 is a block diagram of the operation control system, and FIG. 3 is a layout of the operation switch. FIGS. 4 to 6 show a second embodiment of the present invention, and FIG. 4 is a perspective view of the foot switch, and FIGS. 5 (A) to (D) 6 is a perspective view of each pedal unit, and FIG. 6 is a block diagram of the operation control system.
7 and 8 show a third embodiment of the present invention, FIG. 7 is a perspective view of a foot switch, FIGS. 8(A) to 8(D) are perspective views of each pedal unit, 9 and 10 show a fourth embodiment of the present invention, and FIG.
The figure is an exploded perspective view of the foot switch and the array package, FIG. 10 is a wiring diagram of the foot switch and the array package, and FIG. 11 is an explanatory diagram of a conventional device. 12.38...Foot switch, 13,14°15
．． 16,17.18...operation switch, 29°30
．． 31.32...Groove, 33,34,35.36...
...Pedal unit, 43...Package connector, 52...Array package. Fig. 12 Fig. 1-9 Fig. 1F10 Fig. 52,

Claims (1)

[Claims] In a foot switch for a surgical microscope equipped with a plurality of operation switches for electrically controlling adjustment of focusing, magnification, brightness, etc. of the surgical microscope, the arrangement of the operation switches and the wiring arrangement of the operation switches. A foot switch characterized in that the position of an operation switch that performs a specific function can be arbitrarily selected by making it possible to change at least one of the following.