JP3621799B2 - Endoscopic device for separating pipeline units - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an endoscope apparatus that separates a duct unit, and in particular, an endoscope apparatus that handles ducts such as a suction pipe and an air / water feed pipe provided in the endoscope as being separable from the middle by the duct unit. The present invention relates to the arrangement of operation switches for opening and closing the pipeline.
[0002]
[Prior art]
A conventional electronic endoscope (scope), for example, includes a distal end portion having a CCD (Charge Coupled Device), an insertion portion, an operation portion, and a cable, and this cable is connected to a light source device and a processor device. . The endoscope body and cable are provided with a light guide and an electric signal line. Also, an air supply tube and a water supply tube for supplying air / water to the distal end, insertion of a treatment instrument, and contents in the observed body A suction tube or the like for sucking the air is disposed.
[0003]
According to such an endoscope, the light from the light source device is irradiated from the distal end portion through the light guide, and based on this, the object to be observed is imaged and observed by the CCD. At this time, air can be supplied to the observation window or the like from the distal end portion using the air supply tube and the water supply tube, and a treatment instrument can be inserted and dirt and the like in the observed body can be sucked and discharged using the suction tube. It becomes.
[0004]
[Problems to be solved by the invention]
By the way, since the above-mentioned endoscope apparatus is used in the medical field, it is necessary to clean and sterilize the various pipes, and in order to efficiently perform the cleaning and sterilization, the pipes are attached and detached on the way. It has been proposed to separate freely. According to this, the cleaning with the cleaning brush becomes easy, and the separated conduit unit can be sterilized by an autoclave or the like.
[0005]
In such an endoscope apparatus, the operation switches for suction, air supply / water supply are arranged in the operation unit on the endoscope main body side as in the past, and the control signal of the operation switch is The processor device is configured to be transmitted to the solenoid valve unit. However, in the configuration in which the pipe unit is separated, it is often convenient to handle the pipe unit and the electromagnetic valve unit separately from the processor device and the light source device.
[0006]
For example, even when the pipeline unit is moved to a place where work can be easily performed for cleaning and disinfection, an endoscope main body and a processor device provided with operation switches are required to perform a suction operation and the like. Must be moved. Therefore, it is convenient if this pipeline unit can be handled separately from other devices in a state where the pipeline operation is possible.
[0007]
Further, if the forceps port for inserting the treatment tool is disposed in the conduit unit and a suction operation switch is provided near the forceps port, the efficiency of the treatment may be improved.
[0008]
The present invention has been made in view of the above problems, and its purpose is to be able to handle the pipeline unit separately from other devices such as a processor device in a state in which the pipeline can be opened and closed. It is another object of the present invention to provide an endoscope apparatus that separates a duct unit that can improve treatment efficiency.
[0009]
[Means for Solving the Problems]
In order to achieve the above object, an endoscope apparatus for separating a conduit unit according to the invention of the first claim is provided with an endoscope body having a conduit disposed therein, and is detachable from the body. A pipeline unit having a pipeline that can be coupled to the main body side pipeline, and an electromagnetic valve unit that connects the pipeline unit and controls an opening / closing valve of the pipeline, and the pipeline unit includes: An operation switch for performing the opening / closing operation of the pipe line by the electromagnetic valve unit is provided.
According to a second aspect of the present invention, the endoscope main body is provided with a first operation switch for executing the opening / closing operation of the pipe line, and the second operation unit for executing the opening / closing operation of the pipe line in the pipe unit. The operation switch is provided.
[0010]
According to the above configuration, for example, the suction tube can be opened and closed by pressing the operation switch of the conduit unit without depending on the operation switch on the endoscope main body side. Therefore, the pipe line unit and the electromagnetic valve unit can be handled separately from other devices for cleaning and the like. Further, the operation switch (second) of the conduit unit can be provided so as to overlap with the operation switch (first) on the endoscope body side. In this case, the operation switch is operated while the endoscope is being used. There is an advantage that it is possible to select an operation switch which is easier to perform.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
FIGS. 1 to 5 show the configuration of an endoscope apparatus for separating a conduit unit according to the embodiment. First, the overall configuration will be described with reference to FIG. In FIG. 5, the electronic endoscope 10 includes a distal end portion 10 </ b> A having a CCD, an insertion portion 10 </ b> B, an operation portion 10 </ b> C, and a first cable 10 </ b> D, and a connector 11 of the first cable 10 </ b> D is connected to a light source device (unit) 12. Then, a connector 13 provided on a signal cable branched from the connector 11 is connected to a processor (image processing) device (unit) 14.
[0012]
That is, the first cable 10D includes a light guide 15 disposed from the distal end portion to the operation unit 10C and a signal line 16 for driving the CCD and reading an image signal. 15 is connected to the light source device, and the signal line 16 is connected to the processor device 14. This makes it possible to irradiate light from the tip, read out an image signal from the CCD, and the like.
[0013]
Further, as shown in the detailed view of FIG. 1, the operation portion (endoscope body) 10C is provided with a first suction button (operation switch) 17A and a hard copy button 17B which are electrical switches. In addition, a suction tube 19A is provided inside. In addition to the suction tube 19A, an air supply tube, a water supply tube, or the like may be disposed as the endoscope tube. In this case, an air / water supply button (two-stage switch) is provided on the operation unit 10C. Is provided.
[0014]
As shown in FIG. 5, the conduit unit 20 is detachably provided at the rear end E of the operation unit 10 </ b> C via a first connecting portion (connector) 21. It is connected to the electromagnetic valve unit 23 via the two connecting portions 22. That is, the conduit unit 20 includes a support portion 20A and a second cable 20B, and the conduit unit 20 is connected to the suction tube 19A on the operation portion 10C side as shown in FIG. The suction pipes 19B to be operated are arranged, and these pipe lines are led to the electromagnetic valve unit 23.
[0015]
The suction tube 19B is provided with a forceps port 25 via a branch tube 24. The forceps port 25 serves as an introduction port for a treatment instrument, and the suction tubes 19A and B also serve as a treatment instrument insertion channel. .
[0016]
The electromagnetic valve unit 23 is electrically connected to the processor unit 14. The electromagnetic valve unit 23 inputs an operation control signal for the first suction button 17A, and opens and closes the internal electromagnetic valve. By controlling, the suction operation can be performed through the pipes 19A, 19B and the like.
[0017]
As FIG. 1 shows, the 1st connection part 21 for connecting the said pipe line unit 20 to the said operation part 10C becomes a screw fixed type. That is, a receiving portion 27 having a male screw formed on the outer periphery is attached to the rear end E of the operation portion 10C, and a rotating body 28 having a female screw formed on the inner periphery is provided on the support portion 20A of the conduit unit 20. Provided. Therefore, by screwing and coupling the rotating body 28 to the receiving portion 27, the conduit unit 20 can be connected and fixed to the operation portion 10C, and the suction tubes 19A and 19B can be connected.
[0018]
Then, in the support portion 20A of such a conduit unit 20, as shown in FIG. 2, a second suction button (operation switch) 30 is disposed below the forceps port 25. The second suction button 30 is connected to the solenoid valve unit 23 via the second cable 20B by a connection line 31. As shown in FIG. 2, the operation portion 10C is provided with an angle knob 32 for bending the tip portion.
[0019]
FIG. 3 shows the configuration of the second connecting portion 22 and the electromagnetic valve unit 23. As shown in FIG. 3, the second connecting portion 22 is provided with a slide operation ring 33 on the second cable 20B side, and a support cylinder holding a locking ball 34 that can move up and down on the solenoid valve unit 23 side. 35 is arranged. According to this, the ball 34 is engaged with the groove of the support tube on the second cable 20B side by the slide of the slide operation ring 33 in the axial direction, or can be attached and detached by releasing this engagement. It becomes.
[0020]
The connection line 31 of the second suction button 30 passed through the second cable 20B is connected to the electromagnetic valve unit 23 by the pin-like electrode 36 and the cylindrical electrode 37. A control circuit 38 is provided in the electromagnetic valve unit 23, and a control signal from the second suction button 30 is input to the control circuit 38.
[0021]
The control circuit 38 is also supplied with a control signal from the first suction button 17A input from the processor device 14 shown in FIG. 5, and based on these control signals, the control circuit 38 The valve (open / close valve) is opened and closed. Furthermore, in the embodiment, the processor device 14 or the electromagnetic valve unit 23 selects whether to enable either the first suction button 17A or the second suction button 30 or to enable both. It can be done.
[0022]
FIG. 4 shows a configuration related to a suction operation in the electromagnetic valve unit 23. As shown in the drawing, a valve unit 40 including a solenoid valve disposed in the suction pipe 19B, a pump 41 for suction, A collection tank 42 (located outside) is connected as shown.
[0023]
The embodiment is configured as described above, and when the endoscope is used, the conduit unit 20 is connected to the main body, and both the first suction button 17A and the second suction button 30 described above are effective. In this case, the suction operation can be performed using the suction button that is easier to operate as appropriate. Further, any one of the suction buttons 17A, 30 may be made effective depending on the purpose of use. This suction operation is performed by the suction pipes 19A and B by operating the pump 41 shown in FIG. 4 and opening the solenoid valve of the valve unit 40, and the suctioned material is collected in the tank 42. The
[0024]
On the other hand, even when the pipe unit 20 is separated from the main body side and handled with the electromagnetic valve unit 23 in cleaning or the like, the suction operation can be performed using the second suction button 30.
[0025]
In the figure of the above embodiment, an example in which only the suction tubes 19A and 19B are provided has been described. However, in the endoscope, an air supply tube or a water supply tube is also arranged, and the same applies to these tubes. Is possible.
[0026]
【The invention's effect】
As described above, according to the present invention, an endoscope in which a pipeline unit is detachable from an endoscope body and the pipeline is opened and closed by an electromagnetic valve unit, and the pipeline is connected to the pipeline unit. Since the operation switch for performing the opening / closing operation is provided, the pipe unit can be handled separately from other devices such as a processor unit in a state in which the pipe operation is possible. Further, during use of the endoscope, the first or second operation switch can be selectively used, and there is an advantage that the treatment efficiency can be improved.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view showing a configuration of an endoscope apparatus (first connecting portion) for separating a pipeline unit according to an embodiment of the present invention.
FIG. 2 is a view of the endoscope of FIG. 1 as viewed from the rear end side of an operation unit.
FIG. 3 is a diagram illustrating a configuration on the electromagnetic valve unit (second connecting portion) side of the endoscope apparatus according to the embodiment.
FIG. 4 is a diagram showing a configuration of a suction operation on the electromagnetic valve unit side.
FIG. 5 is a diagram illustrating an overall configuration of an apparatus according to an exemplary embodiment.
[Explanation of symbols]
10 ... Electronic endoscope,
10C: Operation unit (main body side),
17A, 30 ... Suction button (operation switch),
19A, 19B ... suction tube,
20 ... pipeline unit,
23… Solenoid valve unit,
38: Control circuit.

Claims (2)

An endoscope main body with a pipe line disposed inside;
A conduit unit having a conduit that is detachable from the main body and can be connected to the main body-side conduit;
An electromagnetic valve unit for connecting the pipe unit and controlling the on-off valve of the pipe, and
An endoscope apparatus for separating a pipeline unit, wherein the pipeline unit is provided with an operation switch for executing an opening / closing operation of the pipeline by the electromagnetic valve unit. The endoscope main body is provided with a first operation switch for performing the opening and closing operation of the pipeline, and the second operation switch for performing the opening and closing operation of the pipeline is provided in the pipeline unit. An endoscope apparatus for separating a conduit unit according to the first claim.

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