JPH01252918A - Shutter release mechanism for endoscope - Google Patents

Abstract

PURPOSE:To improve operability by disposing a shutter switch in a location which faces the hanging part of a finger placing part in the operational button of a fluid control mechanism. CONSTITUTION:The operational button equipped with the finger placing part consisting of a horizontal part 18a and the hanging part 18b, which is integrally formed on one side of said horizontal part, is mounted on the fluid control mechanism provided on the operating part 10 of the endoscope and supplying or discharging fluid. The shutter switch 23 is disposed on the side of the operating part to face the hanging part 18b of the finger placing part, and depressing the hanging part releases a shutter. Thus, the shutter of a camera can be released without changing the grasping position of the operating part, thereby improving the operability.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field 1] The present invention relates to a shirt release mechanism provided for releasing the shutter of a camera attached to the eyepiece of an endoscope.

[Prior art l] An endoscope has an insertion section that is inserted into a body cavity, etc., and an operation section for operating the insertion section in the hand, and an eyepiece section is connected to the operation section. The eyepiece is configured to form an image of the observation target on the eyepiece. By placing the eye in the eyepiece, it is possible to observe the subject while wearing an internal garment, and by connecting a camera, the subject can be photographed. In order to release the shirt of this camera, a shirt release button is attached to the operation section. The structure and operation of this shirt release button are explained in Japanese Patent Application Laid-open No. 144179/1983 by the applicant of the present invention, so a detailed explanation thereof will be omitted.

Here, in the conventional endoscope, as shown in FIG. 5, the shirt release button 1 is the air/water supply button 2. It is arranged at the L section n of the operation section 5 together with the suction button 3 and the auxiliary infusion button 4 and the like. These buttons 1 to 4 are arranged in such a way that the air/water supply button 2 is arranged from the side connected to the insertion section δ, taking into consideration the nature of each operation.
．． Suction button 3. The auxiliary injection buttons 4 are arranged in sequence, and the shirt release button 1 is arranged at the position closest to the eyepiece 7.

[Problem to be Solved by the Invention 1] By the way, when operating the endoscope, the part of the operating section 5 that is close to the side connected to the insertion section 6 is grasped with one hand. Use your fingers to press shirt release button 1, air/water supply button 2. Suction button 3.
Although it is possible to operate the auxiliary injection button 4, etc., as mentioned above, if the shirt release button 1 is provided on the eyepiece 7, it is difficult to grasp the operation part under normal conditions. When the shirt is released, the fingers may not be able to reach the position of the shirt release button 1, and there is the inconvenience of having to change the grip position of the hand each time the shirt release is performed. Ta.

The present invention has been made in view of the above, and an object of the present invention is to provide a shirt release mechanism with good operability.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the shirt release mechanism according to the present invention includes a fluid control mechanism for supplying or discharging fluid provided in the operating section of the endoscope. , an operation button having a finger rest consisting of a horizontal part and a hanging part connected to one side of the horizontal part is mounted, and the button is mounted on a side of the operation part so as to face the hanging part of the finger rest. A feature of this device is that a shutter switch is provided, and the shutter is released by pressing the hanging portion.

[Function 1] As mentioned above, since the shutter switch is provided in a position covered by the operation button of the fluid control mechanism, it can be placed in a position where it can be easily operated.
You can now release the shutter without changing your grip. Since the shutter switch is normally covered by the hanging part of the operation button, it will not come into direct contact with your fingers, and there will be no inconvenience caused by the shutter switch operating when it is not necessary. do not have. Furthermore, since the operation button in the fluid control mechanism described above is activated by pressing down on its horizontal portion, the shutter switch will not be activated unnecessarily even when the fluid control mechanism is activated.

Further, since the shutter switch is operated by displacing the hanging portion of the operation button in a direction in which it is pressed against the side surface of the operation section, the fluid control mechanism can be kept in an inoperative state when the shutter switch is operated. .

[Embodiment 1] Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

In FIG. 1, reference numeral 10 indicates an operating section of the endoscope, and an insertion section 11 to be inserted into a body cavity or the like is connected to the operating section 10, and the side connected to the insertion section 11 is opposite to the operating section 10. An eyepiece 12 is connected to the side, and a camera 13 can be detachably attached to the eyepiece 12. As shown in FIG. 2, this endoscope can be operated by holding the operating section 10 with one hand, and has an angle knob 1 located near the eyepiece section 12.
4, the gripping position of the operating section 10 is relatively close to the insertion section 11.

Here, an air supply/ice supply valve 1 is provided at an upper position of the operation unit 10 as a fluid control mechanism for supplying or discharging fluid.
5. A suction valve 16 and an auxiliary injection valve 17 are provided. The air and water supply valve 15 is used to supply cleaning fluid to clean the observation window provided at the tip of the insertion section 11 when it becomes dirty due to adhesion of body fluids, etc. The valve 16 is for suctioning and discharging body fluids and the like, and the auxiliary injection valve 17 is used for washing the vaginal wall of the body cavity.
Since the configuration of 7 is well known, illustration and description thereof will be omitted.

Each of the above-mentioned valves 15 to 17 is equipped with operation buttons 18 to 20, respectively, and the air and water supply valve 15
An atmosphere opening port 21 is formed in the air/water supply button 18 for operating the air/water supply button 18. When the atmosphere opening port 21 is closed with a finger, the air supply state is entered, and when the air/water supply button 18 is pressed down, the water supply state is entered. becomes. Also.

As shown in FIG. 3, the suction button 19 for operating the suction valve 16 is also provided with an atmosphere release port 2z, and with the atmosphere release port 22 closed, pressing down allows the suction operation. It is now possible to do this. Further, the auxiliary injection button 2o for operating the auxiliary injection mechanism 16 is configured to be activated by pressing down the button 2o. Of these buttons 18 to 20, the air/water supply button 18, which is used most frequently, is disposed at a position closest to the grip part of the operating section, which is the easiest to operate.

And each of the buttons mentioned above! 8 to 20, the operations can be controlled by the fingers of the hand that grips the operating unit IO, for example, the index finger. Each of these buttons 18-2
0, the air/water supply button 18 and the suction button 19 are
It has a structure with a finger rest. Each of these buttons 1
The finger rests in 8.19 are horizontal parts 18a, 19
a, and on one side of the horizontal parts 18a and 19a,
Drooping portion 18b that falls diagonally downward toward the outside
, 19b. hanging part 18b,
19b is arranged in the opposite direction to the side on which the angle knob 14 for angle operation in the operating section 1 is disposed. The transition part from the horizontal part to the hanging part of the operation buttons 18 and 19 is smoothly bent to correspond to the bend from the abdomen to the joint of the finger, and the transition part from the left and right sides to the center part It has a curved shape, so that when the finger of the hand is pressed against this finger rest, it will fit comfortably.

Next, the angle knob 1 on the side wall 10a of the operation section 10 is
On the side opposite to the installation side of 4, install the air and water supply valve 1.
A shutter release button 23 is provided at a position below the arrangement position of 8, and a shirt release button 24 made of an elastic member is attached to this shutter switch 23. A protrusion 24a for pressing the shutter switch 23 is formed.

The drooping portion 18b of the air/water supply button 18 extends to a position covering the shirt release button 24, and a push protrusion 25 is connected to the drooping portion 18b. When the air/water supply valve 18 is inactive, the pushing projection 25 either contacts the shirt release button 24 or faces it with a slight gap. And air/water supply button 1
8 is made of an elastic member such as plastic, and when the hanging part 18b is pressed, the lower part is deformed to bend around the connecting part between the hanging part tab and the horizontal part 18a, and the pushing projection 25 When the shirt release button 24 is pressed via the shutter switch 2
3 can be activated.

This embodiment is configured as described above, and when operating the endoscope, as shown in FIG. It is inserted into the body through the nasal cavity, etc. At this time, the operating section 1o is held with one hand.
Among the fingers of the hand gripping the air/water supply button 18. Suction button 19. The finger for operating the auxiliary injection button 20, ie, the index finger, must be kept free at all times. Here, since the air and water supply valve 14 is arranged at a position where it is easiest to push and operate,
The above-mentioned index finger is normally placed on the hanging portion 18b of the air/water supply button 18 for operating the air/water supply valve 15. This stabilizes the fingers and eliminates fatigue even when operating the endoscope for a long time.

Next, a case in which the fluid control mechanism is operated will be described. First, to supply air, bend your finger that is placed on the air/water supply button 18 attached to the air/water supply valve I5, and open the atmospheric opening 21 formed at the upper part of the horizontal part 18a. All you have to do is cover it. To supply water, the operator presses the horizontal portion 18a of the air/water supply button 18 from the above-mentioned state. Furthermore, to perform suction, move your finger to the position of the suction valve 19, bend it from the hanging part 19b to follow the horizontal part 19a, close the atmosphere opening 22, and push it down. . Furthermore, in order to perform auxiliary injection, it is sufficient to move the aforementioned finger to the position of the auxiliary injection button 20 and push the auxiliary injection button 20.

Therefore, in order to take an image of the observation target, the eyepiece section 12 is
With the camera 13 attached to the button I8, press the finger of the hand placed on the hanging portion 18b of the air/water supply button I8 toward the side wall 10a of the operating section IO. As a result, the hanging portion 1
8b is deformed so as to be bent around the continuous part with the horizontal part J8a, and the push projection 2 provided on this hanging part +8b
When the user 5 presses the shirt release button 24 and the shutter switch 23 is activated, the camera 13 can take a picture. Therefore, when taking a picture with the camera, there is no need to change the grip position of the hand that grips the operating section, and the operability is significantly improved.

However, even when shirt release is not performed,
Although a finger is placed on the hanging portion 18b of the air/water supply button 18, there is no risk that the shutter switch 23 will be activated unless a force is applied to the hanging portion 18b to deform it. In addition, when the air/water supply button 18 is pressed to enter the 2 water supply state, the hanging portion 18b
In this case, force will be applied to the push projection 2.
5 moves to a position offset from the position facing the shirt release button 24, as shown by the dashed line in FIG. 4, so the shutter switch 23 is not activated.

In addition, the shutter switch 23 is configured to be disposed at a position facing the hanging part 18b of the air/water supply button 18, or the shutter switch 23 is arranged at a position facing the hanging part 19b of the suction button 19 for operating the suction valve 19. It may also be provided at the bottom. Also, change the hanging part of the operation button to 2
By forming the shutter switch from a single member and configuring the lower part to be rotatably connected to the upper part, the shutter switch can be operated with a light operating force.

L Effect of the Invention J As explained above, according to the present invention, the shutter switch is arranged at a position facing the hanging part of the finger rest of the operation button of the fluid control mechanism provided in the operation part. This makes it possible to operate the camera's shirt release without changing the gripping position of the operation unit.
Its operability is significantly improved.

[Brief explanation of the drawing]

The drawings show one embodiment of the present invention, in which Fig. 1 is an external view of the operating section of the endoscope, Fig. 2 is a rear view showing the operating section being held by hand, and Fig. 3 is a rear view of the operating section of the endoscope. FIG. 1 is a plan view of the main part of FIG. 1, FIG. 4 is a cross-sectional view of the main part of FIG. 1, and FIG. 5 is an external view of the operating section of the endoscope according to the prior art. 10: Operation section, 11: Insertion section, 12: Eyepiece section, 13: Camera, 15: Air and water supply valve, 16: Suction 1 no <Flev, 17: Auxiliary injection valve, 18: Air and water supply button, 18
a = horizontal part, 18b: hanging part, 19: suction button, 1
9a=horizontal part, 19b: hanging part, 23: shutter release button, 24: shutter release button, 25: push projection.

Claims (1)

[Claims] An operation button equipped with a finger rest consisting of a horizontal part and a hanging part connected to one side of the horizontal part is attached to a fluid control mechanism for supplying or discharging fluid provided in the operation part of the endoscope. , a shutter switch is disposed at a side surface of the operating section so as to face a hanging part of the finger rest, and the shutter is released by pressing the hanging part. endoscope shutter release mechanism.