JPH0740975Y2 - Endoscope - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] This invention uses a solid-state image sensor to transmit an observation image and a remote control switch for controlling the operation of the observation image reproducing device and air supply, water supply, The present invention relates to an endoscope in which a suction switch and the like are provided in an operation unit.

[Prior Art] In the endoscope of this type, as shown in FIG. 6, for example, the lower half of the operating portion 61 is formed in the grip portion 62, and the upper portion of the grip portion 62 is projected forward. Then, the air supply, water supply switch 64, the suction switch 65, and the like are arranged on the front wall of the protruding portion 63, and the upper portion thereof is formed into a small head portion 66, and the head portion thereof is formed.
The remote control switch 67 for controlling the operation of the VTR of the observation image reproducing device, the monitor image photographing, the monitor image pause, etc. is provided in the 66.

[Problems to be Solved by the Invention] The operation part of the endoscope holds the grip part with the middle finger, ring finger and little finger of the left hand, and operates various switches and knobs with the index finger and thumb. Since the right hand holds the insertion part in and out of the body cavity of the patient and operates the treatment tools, etc., the above-mentioned various switches and knobs are operated with one hand of the left hand, that is, with the index finger and thumb of the left hand. It is desirable to be able to do so.

However, as described above, the operation unit 61 of the conventional endoscope has the remote control switch 67 provided on the small head 66 above the protrusion 63, so that the index finger of the left hand can be smoothly attached to the remote control switch 67. I did not receive it, and even if it arrived, I could not operate with one hand with my left hand because the operation was cramped. Therefore, the remote control switch
Every time 67 operations are performed, the right hand is moved away from the insertion section, and the remote control switch 67 is operated with the right hand. However, when the monitor image is stopped, the image changes while the right hand is moved from the insertion part to the operation part, so the expected still image cannot be obtained, which causes a serious problem in observation. Was becoming.

It is an object of the present invention to solve the above-mentioned conventional drawbacks and provide an endoscope that can easily perform all operations with a left hand.

[Means for solving problems]

In order to solve the above problems, the endoscope according to the present invention is
The solid-state image sensor is arranged in the tip of the insertion part in which the operation part is connected to the base end, and the observation image transmitted from the solid-state image sensor is
In an endoscope which is adapted to be reproduced by an externally provided reproducing device, a lower half portion of the operating portion is formed in a grip portion, and a portion directly above the grip portion is formed to project forward to form a front wall of the projecting portion. Is provided with an air supply, water supply, or suction switch, and the front and rear walls above it are formed as inclined surfaces where both walls gradually approach from the projecting portion, and a plurality of remote units for controlling the operation of the reproducing device are provided. Control switches are provided on the front wall and the rear wall of the inclined surface, and when the operation section is viewed from the rear, one of the remote control switch on the front wall side and the remote control switch on the rear wall side is located from the center of the operation section. It is characterized in that it is arranged on the right side and the other side is arranged on the left side of the center of the operating portion.

[Operation] When the grip of the operation section is grasped by the middle finger, ring finger and little finger of the left hand,
Since the air supply, water supply, or suction switch is provided on the protruding portion just above it, these switches most frequently used during endoscopy can be easily operated by the index finger of the left hand. And since the remote control switch is arranged on the inclined surface above it, you can operate the remote control switch on the front wall side simply by sliding your index finger upwards, and the remote control switch on the rear wall side by sliding your thumb. Can be operated.

[Embodiment] A first embodiment of the present invention will be described with reference to FIG.

Reference numeral 1 denotes an insertion portion made of a flexible tube, and a solid-state image pickup device 3 such as a CCD (electrically coupled device) is arranged at the image forming position of the objective lens 2 in the distal end thereof. An operation unit 4 is connected to the base end of the insertion unit 1, and a reproduction device 5 for reproducing the observation image transmitted from the solid-state image pickup device 3 is provided outside. The reproducing device 5 is a known device, and includes, for example, a monitor television, a VTR, a monitor image photographing device, a monitor image pause device, and the like.

The lower half portion of the operation portion 4 is formed into a grip portion 6 having a size suitable for being gripped by the left hand, and the upper portion of the grip portion 6 is formed so as to project forward, and the projection portion 7 has An air supply / water supply switch 8 and a suction switch 9 are arranged on the front wall. These switches 8 and 9 are known ones, and the insertion portion 1
Air supply, water supply port and suction port (not shown) opened at the tip of the
It controls the operation of ejecting or sucking air, water, or the like. Then, the upper portion, that is, the operation unit 4
The upper quadrant is formed on an inclined surface where the front and rear walls 10 and 11 gradually approach each other, and there are three parts that control the operation of the playback device 5 such as VTR, monitor image shooting, and monitor image pause. A remote control switch 12 is provided. All of these remote control switches 12 are push-button type or so-called one-touch type electric switches, and in the present embodiment, two are provided on the front wall 10 side.
One is provided on the rear wall 11 side. The inclined surface may be a flat surface or a curved surface.

FIG. 2 shows a state in which the operating portion 4 of the above embodiment is operated by holding it in the left hand, and the grip portion 6 is grasped by the middle finger, the ring finger and the little finger, and the index finger supplies the air supply, water supply switch 8 and suction switch 9. Also, the two remote control switches 12 provided on the front wall side can be operated, and the remote control switch 12 provided on the rear wall side can be operated with the thumb.
As described above, the air supply / water supply switch 8 and the suction switch 9 that are most frequently used during the endoscopic examination are arranged at the position most easily operated by the index finger of the left hand, and the inclined surface above the switch is disposed. Since the remote control switch 12 is provided, the remote control switch 12 on the front wall can be simply moved by sliding the index finger upward as shown in FIG.
, And the remote control switch 12 on the rear wall can be operated with the thumb.

FIG. 3 shows a second embodiment of the present invention, in which one remote control switch 12 is provided on the front wall 10 side of the inclined surface,
Two are provided on the rear wall 11 side. As described above, the remote control switches 12 can be provided in appropriate numbers on the front and rear walls of the inclined surface depending on the relationship with other configurations on the operation unit.

FIG. 4 shows a third embodiment of the present invention, in which the remote control switch 12 is arranged to the left of the center of the operating portion 4 on the front wall 10 of the inclined surface and to the right of the rear wall 11. Is. By arranging in this way, the remote control switch provided on the front wall 10
12 approaches the fingertip of the index finger of the left hand holding the operation unit 4,
Since the remote control switch 12 provided on the rear wall 11 comes close to the fingertip of the thumb, its operation becomes much easier.

FIG. 5 shows a fourth embodiment of the present invention, in which the front wall 20 of the inclined surface is formed in the lower left direction when viewed from above, and the rear wall 21 is
It is formed by inclining in the same direction as the front wall 20, and the remote control switch 12 is arranged on the inclined surface. By forming in this way, the index finger or thumb can be easily moved along the inclined surface, and the remote control switch 12 can be pushed more easily.

[Advantage of the Invention] According to the endoscope of the present invention, an inclined surface is formed above the protruding portion provided with the air supply and water supply switches, and observation is performed on the front wall and the rear wall of the inclined surface. By providing multiple remote control switches to control the operation of the image playback device, one of the front wall side switch and the rear wall side switch is arranged to the right of the center of the operation unit and the other is arranged to the left. The remote control switch can be easily operated simply by sliding the index finger or thumb upward. Therefore, while guiding the insertion part with the right hand, the screen can be instantaneously stopped when an important image is displayed on the playback device, and a definitive image can be surely obtained, thus observing and diagnosing ability is improved. Not only is it significantly improved, but also dirt and the like attached to the insertion portion will not be attached to the operation portion through the right hand.

[Brief description of drawings]

FIG. 1 is a side view of the endoscope according to the first embodiment of the present invention, and FIG.
FIG. 3 is a side view showing a state in which the operating portion of the embodiment is used while being held by the left hand, FIG. 3 is a side view of the operating portion of the endoscope of the second embodiment of the present invention, and FIG. FIG. 5 is a plan view of the operation section of the endoscope of the third embodiment, FIG. 5 is a plan view of the operation section of the endoscope of the fourth embodiment of the present invention, and FIG. 6 is a operation of the conventional endoscope. It is a side view of a part. DESCRIPTION OF SYMBOLS 1 ... Insertion part, 3 ... Solid-state image sensor, 4 ... Operation part, 5 ... Reproducing device, 6 ... Grip part, 7 ... Projection part, 8 ... Air supply, water supply switch, 9 ... Suction switch, 10 ... Front wall, 11 ... rear wall, 12 ... remote control switch.

Claims (5)

[Scope of utility model registration request] 1. A solid-state image sensor is provided in the distal end of an insertion part in which an operation part is connected to a base end, and an observation image sent from the solid-state image sensor is reproduced by a reproducing device provided outside. In the endoscope described above, the lower half part of the operation part is formed in the grip part, the upper part of the grip part is formed to project forward, and the air supply, water supply or suction switch is provided on the front wall of the projecting part. In addition, the front and rear walls above it are formed on the inclined surface where both walls gradually approach from the protruding portion, and a plurality of remote control switches for controlling the operation of the reproducing apparatus are provided on the front wall and the rear wall of the inclined surface. It is provided on the wall, and when the operation part is viewed from the rear, one of the front wall side remote control switch and the rear wall side remote control switch is arranged to the right of the center of the operation part, and the other is located at the center of the operation part. That I placed it to the left The characteristic endoscope. 2. The endoscope according to claim 1, wherein two remote control switches are provided on the front wall and one on the rear wall of the inclined surface. 3. The endoscope according to claim 1, wherein one remote control switch is provided on the front wall of the inclined surface and two remote control switches are provided on the rear wall. 4. When the operation section is viewed from the rear, the remote control switch is arranged on the front wall of the inclined surface to the left of the center of the operation section, and on the rear wall to the right. Request for registration of new model No. 1
The endoscope according to any one of the items 1 to 3. 5. The utility model registration claim wherein the front wall of the inclined surface is formed so as to be inclined leftward and downward when viewed from above, and the rear wall is formed so as to be inclined in the same direction as the front wall. The endoscope according to any one of items 1 to 4.