JP3631402B2 - Endoscope light source adapter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an adapter for an endoscope light source device that is used when an endoscope is connected to an endoscope light source device.
[0002]
[Prior art]
Light guide connectors in various endoscopes have different types depending on the product. An endoscope light source device having an output connector that cannot be adapted to a light guide connector in an endoscope to be used cannot be used directly. In such a case, generally, an adapter corresponding to an endoscope light source device is used to connect to an output connector of an endoscope light source device having a different format.
[0003]
However, the more types of adapters, the more difficult the management of the adapters and the worse the usability.
[0004]
Therefore, in USP No. 4,025,776, in order to cope with a wide variety of light guide connectors, a rotary type having a plurality of connection holes is adopted as a light source output connector of an endoscope light source device.
[0005]
[Problems to be solved by the invention]
In the method of connecting to the light source device after attaching the adapter that matches the light source output connector shape of the light source device to the light guide connector as in the former, the types of endoscopes increase, and accordingly the light guide connector to be supported When the number of types increases, management becomes troublesome due to an increase in the number of adapters to be owned and usability deteriorates.
[0006]
Moreover, in order to cope with a wide variety of light guide connectors as in the latter case, if the structure of the rotary light source output connector as described above is taken, the accuracy of the optical axis between the light source output connector and the light source in the light source device Is difficult to secure, and as a result, the amount of light emitted from the distal end of the endoscope is reduced.
[0007]
In consideration of the above circumstances, the present invention prevents a reduction in the amount of light when combining an endoscope in which the shape of the light guide connector matches the light source output connector of the light source device, and minimizes the troublesomeness of various light guide connectors. The purpose is to provide a light guide connector connection method that can cope with this problem.
[0008]
[Means for Solving the Problems]
The invention according to claim 1, in the endoscope light source device adapter for connecting a connector provided in an endoscope for connection to the endoscope light source device to a different light source output port of the form, the endoscope a light source connector to be connected to the mirror light source device, plural kinds of the connector fits individually format is an endoscope light source device adapter, characterized in that it comprises a a plurality of different connection ports.
[0009]
The invention according to claim 2, in the endoscope light source device adapter for connecting a connector provided in an endoscope for connection to the endoscope light source device to a different light source output port shapes, the endoscope a light source connector to be connected to the mirror light source device, plural kinds of the connector fits individually, and movable member having a plurality of connection ports of different formats, the endoscope light source by moving the movable member An endoscope light source device adapter, comprising: a positioning mechanism that matches a connection port that matches a light source output port of the device with the light source output port.
[0010]
The invention according to claim 3, in the endoscope light source device adapter for connecting a connector provided in an endoscope for connection to the endoscope light source device to a different light source output port of the form, the endoscope a light source connector to be connected to the mirror light source device, and the adapter body is connected to the light source connector, it is attached to the adapter body portion, a plurality of kinds of the connector fits to the individual, a plurality of connection ports different formats A movable member having a position, a positioning mechanism for aligning the connection port that matches the light source output port of the endoscope light source device with the light source output port by moving the moving member, and the movement of the adapter main body portion is restricted. In order to do so, an endoscope light source device adapter comprising a position restricting member that engages with a housing of the endoscope light source device.
[0011]
When combining the light guide connector of an endoscope whose light guide connector shape matches the light source output port of the light source device, it is possible to prevent the light amount from being reduced by connecting the light guide connector directly to the light source output port of the light source device. It is possible. Since the endoscope light source device adapter itself has a plurality of connection ports of different types so that a plurality of types of connectors can be individually adapted, it is possible to cope with a wide variety of light guide connectors while minimizing troublesomeness. .
[0012]
DETAILED DESCRIPTION OF THE INVENTION
(First embodiment)
An endoscope light source device adapter according to a first embodiment of the present invention will be described with reference to FIGS. 1 to 5.
[0013]
FIG. 1 is a perspective view schematically showing an endoscope system. This endoscope system is for medical use that performs observation and treatment in a body cavity, for example, and includes an endoscope 1 and a light source device 2 that supplies illumination light to the endoscope 1. The endoscope 1 includes an insertion portion 5, an operation portion 6, and a universal cord 7, and a light guide (not shown) that is an illumination optical system is inserted through the insertion portion 5, the operation portion 6, and the universal cord 7. A light guide connector 8 is provided at the extending end of the universal cord 7 extending from the operation unit 6.
[0014]
An output connector 11 that is a light source light emission port (light source output port) for detachably connecting the light guide connector 8 to the front wall of the housing (main body case) 10 of the light source device 2, a power switch 12, However, a panel 13 on which other operation means, a display unit, and the like are arranged is provided.
[0015]
FIG. 2 shows a conventional adapter type, in which light guide connectors 8a to 8d in various products and individual types of adapters 13a to 13d corresponding to the plurality of types of light guide connectors 8a to 8d are shown. Yes, related items are shown side by side. Conventionally, individual-type adapters 13a to 13d corresponding to the respective light guide connectors 8a to 8d are prepared.
[0016]
FIG. 3 is a front view of the endoscope light source device adapter 15 according to the first embodiment, and FIG. 4 is a side view of the endoscope light source device adapter 15 according to the first embodiment. is there. FIG. 5 is a front view showing a state where the adapter 15 is actually combined with the housing 10 of the light source device 2.
[0017]
The endoscope light source device adapter 15 here can selectively connect a plurality of types of light guide connectors 8 as shown in FIG. The main body 21 of the adapter 15 is constituted by a columnar member, and constitutes a bearing 23 that rotatably supports a turret 22 as a moving member. The turret 22 is formed by a columnar member having the same diameter as the main body 21, and each columnar member is disposed coaxially. The turret 22 is pivotally supported on the main body 21 by a shaft pin 24.
[0018]
A light source connector 26 that is inserted into and connected to the output connector 11 of the light source device 2 is fixedly provided on the back surface of the main body 21 of the adapter 15. The light source connector 26 incorporates a rod rod 27 that receives and guides light emitted from the light source device 2. An engagement ring 28 is fitted on the outer periphery of the middle portion of the rod-shaped light source connector 26. When the light source connector 26 is inserted into the output connector 11 of the light source device 2, the engagement ring 28 is engaged with the frictional force between them, or is engaged with an engagement receiving portion (not shown) provided on the output connector 11 of the light source device 2. The light source connector 26 is held. The light source connector 26 is eccentric from the central axis of the main body 21 and is disposed at a position parallel to the central axis.
[0019]
The turret 22 is provided with a plurality of types of light guide fitting holes (connection ports) 31, 32, 33 arranged on the circumference passing through the center position of the light source connector 26 around the center axis of the main body 21. Each light guide fitting hole 31, 32, 33 constitutes the connection port of the adapters 13a to 13d of the kind shown in FIG. Each light guide fitting hole 31, 32, 33 can be positioned in accordance with the center of the light source connector 26 by rotating the turret 22. Of the light guide fitting holes 31, 32, 33, the one to be used is stopped when it is aligned with the center position of the light source connector 26. Positioning and fixing means such as screw fastening means or click stopping means for holding the turret 22 at the selected position may be provided.
[0020]
Here, each light guide fitting hole 31, 32, 33 can be connected to any one of the different types of light guide connectors 8, and each light guide fitting hole 31, 32. , 33 can be connected to the light guide connector 8 of the selected specific endoscope.
[0021]
The main body 21 of the adapter 15 is provided with a rotation stopping means for preventing its own rotation. The rotation stopping means is locked to the housing 10 of the light source device 2 to prevent the adapter 15 from rotating.
[0022]
That is, a pair of belt-like locking pieces 35 and 36 are attached to the back surface of the main body 21 so as to be slidable in the vertical direction. As shown in FIG. 4, the base end portions of the locking pieces 35 and 36 are arranged in an overlapped state.
[0023]
One locking piece 35 extends upward, and a bent portion 37 that is bent rearward and joined to the upper surface of the housing 10 of the light source device 2 is formed. The other locking piece 36 extends downward, and the extending end is bent backward to form a bent portion 38 that is joined to the lower surface of the housing 10 of the light source device 2. The locking pieces 35 and 36 are slidable in the vertical direction, but are attached so as not to rotate with respect to the main body 21 of the adapter 15. That is, the locking pieces 35 and 36 constitute a position restricting member that restricts the movement of the main body 21 of the adapter 15.
[0024]
The locking pieces 35 and 36 are slidable in the vertical direction, the length thereof is adjustable, and the holding pieces 35 and 36 can be held at a position adjusted by, for example, a mechanical frictional force. You may make it fix to the adjusted position.
[0025]
Next, an operation when the endoscope light source device adapter 15 is used will be described. First, the light source connector 26 of the adapter 15 is inserted into the output connector 11 of the light source device 2. Thereafter, the locking pieces 35, 36 of the rotation stopping means are slid in the vertical direction to adjust the length so as to fit the upper surface and the lower surface of the housing 10 of the light source device 2. The bent portion 37 is joined to the upper surface of the housing 10 of the light source device 2, and the bent portion 38 of the locking piece 36 extending downward is joined to the lower surface of the housing 10 of the light source device 2. As a result, the position can be regulated so as to prevent the adapter 15 from rotating when the turret 22 is rotated.
[0026]
Thereafter, one of the types that can insert the light guide connector 8 of the endoscope 1 to be used is selected from the light guide fitting holes 31, 32, 33, and one of the light guide fitting holes 31, 32, 33 is selected. Then, a positioning operation for rotating the turret 22 to a position aligned on the output connector 11 is performed. One of the fitting holes 31, 32, 33 selected by this positioning operation and the output connector 11 are optically connected via the rod rod 27, and one of the selected fitting holes 31, 32, 33 By inserting and inserting the ride guide connector 8 of the endoscope 1, the light emitted from the light source device 2 is guided to the light guide of the endoscope 1 through the light guide connector 8 and emitted from the distal end portion.
[0027]
(Second Embodiment)
An endoscope light source device adapter according to a second embodiment of the present invention will be described with reference to FIGS. 6 to 9.
[0028]
The adapter 15 for an endoscope light source device in the present embodiment is a flat or linear stopper that abuts against a convex portion in the casing 10 of the light source device 2 to which the adapter 15 is attached, for example, a jetty 41 surrounding the power switch 12 shown in FIG. 42 is provided, and this position restricting member constitutes means having a rotation stopping function. As shown in FIG. 8, the stopper 42 is formed by one end of a plate member 44 joined to the back surface of the main body 21 and fixed by a screw 43. Other configurations are the same as those of the first embodiment described above.
[0029]
Next, when the endoscope light source device adapter 15 is used, when the light source connector 26 of the adapter 15 is inserted into the output connector 11 of the light source device 2, a stopper 42 is provided on the jetty 41 surrounding the power switch 12 shown in FIG. Wear it while touching it.
[0030]
Then, the jetty 41 and the stopper 42 are engaged with each other, thereby preventing the adapter 15 from rotating when the turret 22 is rotated. Thereafter, the adapter 15 can be used as in the first embodiment.
[0031]
The rotation stopping means for preventing the rotation of the adapter 15 provided with the turret 22 may adopt another structure such as abutment or locking according to the shape of the light source device.
[0032]
(Third embodiment)
An endoscope light source device adapter according to a third embodiment of the present invention will be described with reference to FIG.
[0033]
In this embodiment, a stage 51 slidable in the lateral direction is provided as a moving member provided in the main body 21 of the endoscope light source device adapter 15. Different types of light guide fitting holes 31 and 32 are provided on the stage 51. , 33 are arranged in a line on a straight line in the sliding direction. When the stage 51 is slid, the light source connector 26 is inserted into the output connector 11 of the light source device 2 so as to correspond to the straight line where the light guide fitting holes 31, 32 and 33 are located. It is fixedly provided. Other configurations are the same as those of the first embodiment described above.
[0034]
With this method, when the fitting holes 31, 32, 33 are selected, no rotational force is generated in the adapter 15, so that it is not necessary to provide a rotation stop means.
[0035]
The present invention is not limited to the embodiment described above. According to the description of each of the above embodiments, at least the matters listed below and the matters of arbitrary combinations thereof can be obtained.
[0036]
【The invention's effect】
As described above, according to the present invention, when an endoscope light guide connector whose shape matches the light source output port of the light source device is combined, the light guide connector is directly connected to the light source output port of the light source device. Therefore, it is possible to avoid a decrease in the amount of light due to the axis deviation.
In addition, when an endoscope having a light guide connector having a shape different from that of the light source output port of the light source device is connected to the light source device, since one adapter can be used, a plurality of types of endoscopes can be handled. There is no need to manage the adapter, and troublesomeness is reduced.
Further, with respect to the connection method, except for the operation of selecting the connection port, the connection can be performed by the same operation as before, so that the user can use it without feeling uncomfortable.
[Brief description of the drawings]
FIG. 1 is a perspective view schematically showing an endoscope system according to a first embodiment of the present invention.
FIG. 2 is an explanatory diagram showing a configuration of a light guide connector in various endoscope products and an adapter of an individual type corresponding to each of the plurality of types of light guide connectors, and related items arranged side by side.
FIG. 3 is a front view of the endoscope light source device adapter according to the first embodiment of the present invention.
FIG. 4 is a side view of the adapter for an endoscope light source device according to the first embodiment of the present invention.
FIG. 5 is a front view showing a state where the endoscope light source device adapter is actually combined with the housing of the light source device.
FIG. 6 is a front view of an adapter for an endoscope light source device according to a second embodiment of the present invention.
FIG. 7 is a side view of an adapter for an endoscope light source device according to a second embodiment of the present invention.
FIG. 8 is a rear view of an endoscope light source device adapter according to a second embodiment of the present invention.
FIG. 9 is a front view showing a state where the endoscope light source device adapter is actually combined with the housing of the light source device.
FIG. 10 is a front view of an adapter for an endoscope light source device according to a third embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Endoscope, 2 ... Light source device, 8 ... Light guide connector,
DESCRIPTION OF SYMBOLS 10 ... Housing of light source device, 15 ... Adapter for endoscope light source device,
21 ... Adapter body, 22 ... Adapter turret,
26 ... Light source connector 31, 32, 33 ... Light guide fitting hole (connection port).

Claims (3)

In an endoscope light source device adapter for connecting a connector provided on an endoscope for connection with an endoscope light source device to a light source output port of a different type,
A light source connector connected to the endoscope light source device;
A plurality of connection ports with different types , to which each of the above types of connectors fits individually,
An adapter for an endoscope light source device, comprising: In an endoscope light source device adapter for connecting a connector provided on an endoscope for connection with an endoscope light source device to a light source output port having a different shape,
A light source connector connected to the endoscope light source device;
More of the connector fits individually, and movable member having a plurality of connection ports different format,
A positioning mechanism for aligning the connection port that matches the light source output port of the endoscope light source device with the light source output port by moving the moving member;
An adapter for an endoscope light source device, comprising: In an endoscope light source device adapter for connecting a connector provided on an endoscope for connection with an endoscope light source device to a light source output port of a different type,
A light source connector connected to the endoscope light source device;
An adapter body connected to the light source connector;
Is attached to the adapter body portion, a plurality of kinds of the connector fits individually, and movable member which forms had a different connection ports,
A positioning mechanism for aligning the connection port that matches the light source output port of the endoscope light source device with the light source output port by moving the moving member;
A position restricting member that engages with the housing of the endoscope light source device to restrict the movement of the adapter main body,
An adapter for an endoscope light source device, comprising:

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