KR20110060785A - Insert device for endoscope, handle devices for endoscope, endoscope - Google Patents

Abstract

PURPOSE: An inserting unit of an endoscope, handling unit of an endoscope, and endoscope are provided to efficiently prevent infection due to various diseases and bacteria. CONSTITUTION: A photographing part and an illumination part are installed in the frontal end of an inserting pipe(111). A data cable(112) is installed in the inserting pipe. The frontal end of the data cable is connected to the photographing part. The rear end of the data cable is installed in a connection terminal. An operating wire(114) is installed in the inserting pipe. The frontal end of the operating wire is coupled with the frontal end of the inserting pipe. The rear end of the operating wire is installed in a coupling member. An elastic object elastically supports the operating wire.

Description

Endoscope insertion unit, endoscope control unit, endoscope {Insert device for endoscope, handle devices for endoscope, endoscope}

The present invention relates to an insertion part of an endoscope, an operation part of an endoscope, and an endoscope. More particularly, the present invention relates to an insertion part of an endoscope, an operation part of an endoscope, and an endoscope, which are inserted into an object to be inspected.

In general, the endoscope includes an insertion unit inserted into the human body or another subject (hereinafter, referred to as an 'object') and an operation unit for operating the insertion unit. In addition, an end portion of the insertion unit is provided with an image sensor for obtaining an image inside the object to be inspected and lighting means for capturing the image sensor.

The insertion part of the endoscope may be contaminated by various foreign matters inside the test object as it is introduced into the test subject. In particular, in the case of a medical endoscope used for human examination, the insertion part of an endoscope used once does not undergo a special disinfection process, and when used in another patient, there is a problem that may cause infection by various diseases and bacteria.

An object of the present invention is to provide an insertion unit of the endoscope, the operation unit of the endoscope, the endoscope so that the operation unit and the insertion unit can be detached so that the insertion unit of the endoscope inserted into the subject or the human body can be separated or combined with the operation unit.

Insertion part of the endoscope according to the invention is installed in the insertion tube is inserted into the interior of the test object and the lighting unit is installed in the front end, the insertion tube is installed inside, the front end is connected to the imaging unit, the connection terminal is installed at the rear end A data cable to be installed in the insertion tube, a front end of which is coupled to a front end of the insertion tube, and a fastening member to which an external power source is fastened is installed at a rear end thereof, and a traction operation to steer the front end of the insertion tube; And an elastic body elastically supporting the operation wire such that the operation wire to be pulled is restored to a position before the pulling operation.

The elastic body is a coil spring disposed in the longitudinal direction of the insertion tube is installed in the interior of the insertion tube, the front end of the operation wire may be coupled to the front end of the coil spring.

The elastic body may be a coil spring that elastically supports the fastening member in the longitudinal direction of the insertion tube.

The insertion unit of the endoscope may further include a balloon installed in the outer diameter portion of the front end of the insertion tube and a supply pipe connected to the balloon to supply gas to the balloon.

The insertion part of the endoscope is installed inside the insertion tube, the interference prevention tube surrounding the operation wire and spaced apart from the outer peripheral surface of the operation wire to prevent the operation wire from interfering with the insertion tube, the data cable and the supply tube. It may further include.

The insertion part of the endoscope is installed inside the insertion tube, and further includes an interference preventing tube surrounding the operation wire and spaced apart from the outer peripheral surface of the operation wire to prevent the operation wire from interfering with the insertion tube and the data cable. Can be.

The fastening member has a space formed therein, and a fastening main body which is formed with an insertion groove which is opened in a direction crossing the longitudinal direction of the operation wire, and an operation part side operation wire inserted into the fastening main body through the insertion groove. It may include a departure preventing jaw to prevent the departure from the fastening body in the longitudinal direction of the operation wire side operation wire.

The fastening member may include a fastening main body and a fastening protrusion which is bent from the fastening main body to which the operation unit side operation wire is fastened.

On the other hand, the operation unit of the endoscope according to the present invention, the operation tube connected to the rear end of the insertion portion inserted into the test object, the connection terminal is disposed inside the operation tube and connected to the data cable on the insertion part side installed in the insertion unit Data cable is installed in the front end, the fastening member is disposed in the interior of the operation tube and the insertion part side operation wire which is installed in the insertion unit is fastened to the operation wire is installed in the front end, the front end of the operation wire is coupled and the fastening member is A support plate that is rotatably coupled, a pressing button for radially penetrating the operation tube to press the rear end of the fastening member to rotate the fastening member, an elastic body elastically supporting the rear end of the fastening member, and a rear end of the operation wire And a manipulation handle that is coupled to allow the manipulation wire to be towed.

The manipulation unit of the endoscope may further include an interference prevention tube surrounding the manipulation wire and spaced apart from an outer circumferential surface of the manipulation wire to prevent the manipulation wire from interfering with the insertion tube, the data cable, and the supply tube.

The fastening member may include a locking projection protruding from a front end of the operation wire to be fastened to an end of the insertion part side operation wire.

The fastening member may include a fastening body and a fastening protrusion which is bent from the fastening body and fastened to an end of the inserting-side manipulation wire.

On the other hand, the endoscope according to the present invention is an insertion part side data cable in which the front end is connected to the photographing part and the insertion part side connection terminal is installed at the rear end of the insertion tube in which the photographing part and the lighting part are installed at the front end, and the front end is the insertion part. Insertion part side operation wire coupled to the front end of the tube and the insertion part side fastening member is installed at the rear end, and operation unit side data at which the operation part side connection terminal is installed at the front end inside the operation tube connected to the rear end of the insertion part. The control unit is provided with a cable, the operation unit side operation wire is mounted to the operation handle, the rear end is fastened to the locking projection projecting from the outer peripheral surface of the rear end of the insertion tube and the front end of the operation tube is rotatably coupled, the locking projection is inserted And a connector in which a locking groove is formed to prevent the insertion tube from being separated from the operation tube.

The operation unit side fastening member may be rotated toward the insertion unit side fastening member about the central axis of the operation tube to be fastened to the insertion part side fastening member.

The connector is constrained by the operation unit side fastening member is rotated together with the operation unit side fastening member, the locking groove is guided to the locking projection so that the operation unit side fastening member is located in one side direction of the insertion part side fastening member. The guide groove and the operation unit side fastening member may be made of a second guide groove for guiding the locking projection to a position that can be fastened to the insertion part side fastening member.

The endoscope may further include a torsion spring that elastically supports the connector from the operation tube.

Endoscope insertion device, the endoscope operating device, the endoscope according to the present invention can be easily removable insertion and operation of the endoscope, there is an effect that can effectively block the infection by various diseases and bacteria through the endoscope.

1 is a partial cross-sectional view showing a part of an endoscope according to the first embodiment.
FIG. 2 is a cross-sectional view illustrating a portion II ′ shown in FIG. 1.
3 is a cross-sectional view showing a coupling relationship between the insertion unit and the operation unit of the endoscope according to the first embodiment.
4 is an exploded perspective view showing a coupling relationship between the insertion unit and the operation unit of the endoscope according to the first embodiment.
5A and 5B are operation diagrams illustrating a coupling operation of the insertion unit and the operation unit of the endoscope according to the first embodiment.
6A and 6B are operation diagrams showing a steering operation of the endoscope according to the first embodiment.
7 is a cross-sectional view showing a coupling relationship between the insertion unit and the operation unit of the endoscope according to the second embodiment.
8A and 8B are operation diagrams illustrating a coupling operation of the endoscope insertion unit and the operation unit according to the second embodiment.

Hereinafter, the endoscope according to the first embodiment will be described in detail with reference to the accompanying drawings.

1 is a partial cross-sectional view showing a part of the endoscope according to the first embodiment, Figure 2 is a cross-sectional view showing a portion II 'shown in Figure 1, Figure 3 is an insertion portion and the operation portion of the endoscope according to the first embodiment 4 is a cross-sectional view illustrating a coupling relationship, and FIG. 4 is an exploded perspective view showing a coupling relationship between an insertion unit and an operation unit of the endoscope according to the first embodiment.

1 to 4, the endoscope 100 includes an insertion unit 110 inserted into an object to be inspected and an operation unit 120 for operating the insertion unit 110.

The inserting unit 110 includes a photographing unit 10, an illumination unit 20, a balloon 30, an insertion tube 111, an insertion unit side data cable 112, an operation unit side supply pipe 113, and an insertion unit side operation wire 114. It includes.

The photographing unit 10 is installed at the front end of the insertion tube 111. The photographing unit 10 is for acquiring an image inside the object, and may use an image sensor such as a complementary metal-oxide-semiconductor (CMOS) or a charge coupled device (CCD).

The lighting unit 20 is installed at the front end of the insertion tube 111. The lighting unit 20 is to illuminate the inside of the object to be photographed by the photographing unit 10, and may use a light emitting diode (LED).

The balloon 30 is installed at the front outer diameter portion of the insertion tube 111. The balloon 30 receives the gas through the operation unit supply pipe 113 to expand the outer diameter. The balloon 30 is inserted into the inside of the subject (eg, the esophagus, the airways, the large intestine, the small intestine, etc.) of the subject to expand the subject, so that the photographing unit 10 can smoothly photograph the interior of the subject. Make sure

The coil spring 111a disposed in the longitudinal direction of the insertion tube 111 is installed inside the insertion tube 111. The coil spring 111a allows the insertion tube 111 to bend flexibly in accordance with the pulling operation of the inserting side operation wire 114, and when the pulling operation of the inserting side operation wire 114 is completed, the insertion tube 111 is the original. It can be restored to form.

The insertion part side data cable 112, the operation part side supply pipe 113, and the insertion part side operation wire 114 are disposed inside the insertion pipe 111. The front end of the insertion part side data cable 112 is connected to the photographing part 10, and an insertion part side connection terminal 112a is provided at the rear end of the insertion part side data cable 112. The front end of the operation unit side supply pipe 113 communicates with the inside of the balloon 30, and the rear end of the operation unit side supply pipe 113 is opened to the rear end of the insertion tube 111. The front end of the insertion part side operation wire 114 is coupled to the front end of the coil spring 111a, and the insertion part side fastening member 115 is coupled to the rear end of the insertion part side operation wire 114.

The operation unit 120 includes an operation tube 121, an operation unit side data cable 122, an operation unit side supply pipe 123, an operation unit side operation wire 124, and an operation handle 129.

The operation unit side data cable 122, the operation unit side supply pipe 123, and the operation unit side operation wire 124 are disposed inside the operation tube 121. An operation unit side connection terminal 122a is provided at the front end of the operation unit side data cable 122, and a rear end of the operation unit side data cable 122 is connected to a display device (not shown) such as an LCD (LCD). . The front end of the operation unit side supply pipe 123 is opened to the front end of the operation tube 121, the rear end of the operation unit side supply pipe 123 is connected to the supply pump (not shown). An operation unit side fastening member 125 is installed at a front end of the insertion unit side operation wire 114, and a rear end of the insertion unit side operation wire 114 is fastened to the operation handle 129.

The operation handle 129 causes the operation unit side operation wire 124 to be pulled according to the operation, so that the insertion unit side operation wire 114 fastened to the operation unit side operation wire 124 is towed together so that the front end of the insertion tube 111 is pulled out. To steer.

Here, the above-described insertion unit side data cable 112 and the operation unit side data cable 122 may be provided in a form in which a plurality of cables are protected by a protective tube.

In addition, in the accompanying drawings, the insertion unit side operation wire 114 and the operation unit side operation wire 124 are shown as being provided in two, one each arranged on the left, right side, provided as one or two or more insertion tube as necessary 111 or the inner edge of the operation tube 121.

In the endoscope 100, as the insertion unit 110 and the operation unit 120 are connected to each other, the insertion unit side connection terminal 112a and the operation unit side connection terminal 122a are connected to each other. Accordingly, the insertion unit side data cable 112 and the operation unit side data cable 122 may transmit and receive data between the endoscope 100 and the display device (not shown).

In addition, the endoscope 100, the operation unit side supply pipe 113 and the operation unit side supply pipe 123 is in communication with each other as the insertion unit 110 and the operation unit 120 are connected to each other. Therefore, the operation unit side supply pipe 113 and the operation unit side supply pipe 123 supplies gas to the balloon 30 so that the outer diameter of the balloon 30 is expanded.

In addition, as the endoscope 100 is connected to the insertion unit 110 and the operation unit 120, the insertion unit side fastening member 115 and the operation unit side fastening member 125 are connected to each other. Accordingly, the insertion unit side operation wire 114 and the operation unit side operation wire 124 are towed by the operation of the operation handle 129 to steer the front end of the insertion tube 111.

Meanwhile, the endoscope 100 is spaced apart from the outer circumferential surfaces of the insertion part side operation wire 114 and the operation part side operation wire 124, respectively, to prevent the insertion part interference interference surrounding the insertion part side operation wire 114 and the operation side side operation wire 124, respectively. The pipe 114a and the operation part side interference prevention pipe 124a are included. The insertion part side interference prevention tube 114a and the operation part side interference prevention tube 124a are inserted into the insertion part side operation wire 114 and the operation part side when the insertion part side operation wire 114 and the operation unit side operation wire 124 are pulled together. Insertion-side operation wire 114 and operation-side operation by preventing the operation wire 124 from interfering with the insertion-side data cable 112, operation-side data cable 122, insertion tube 111, operation tube 121 and the like. Allow wire 124 to be towed smoothly.

On the other hand, the operation unit side fastening member 125 is provided to be fastened to the insertion part side fastening member 115 as it rotates toward the insertion part side fastening member 115 around the center of the operation tube 121.

More specifically, the insertion part side fastening member 115 has a space formed therein, and includes a fastening body 115a to which the operation part side fastening member 125 is coupled. The operation unit side operation wire 124 has the operation unit side fastening member 125 positioned on the side of the fastening main body 115a so that the operation member side fastening member 125 can be inserted into the interior of the fastening main body 115a as the center of the operation tube 121 is rotated about its axis. Insertion groove 115b is formed to open in the direction crossing the longitudinal direction of the. In addition, the fastening main body 115a is provided with a separation prevention jaw 115c which prevents the operation unit side fastening member 125 inserted into the operating body side from the longitudinal direction of the operation wire 124 is formed.

And the operation unit side fastening member 125 includes a locking step (125a) protruding from the operation unit side operation wire 124. The locking step 125a may be formed in a cylindrical shape having an outer diameter smaller than the inner diameter of the fastening main body 115a to be inserted into the fastening main body 115a through the insertion groove 115b.

On the other hand, the endoscope 100 includes a connector 130 is rotatably coupled to the outer diameter portion of the operation tube 121. The connector 130 restrains the operation unit side fastening member 125, and the operation unit side fastening member 125 is rotated together in accordance with the rotation of the connector 130. The connector 130 is formed with a locking groove 131 for preventing the operation unit 120 from being separated from the insertion unit 110, the locking projection (inserted into the locking groove 131 on the outer peripheral surface of the insertion tube 111) ( 116 is formed.

The locking groove 131 includes a first guide groove 131a and an operation unit side fastening member 125 for guiding the locking protrusion 116 such that the operation unit side fastening member 125 is positioned at one side of the insertion part side fastening member 115. Is made of a second guide groove 131b for guiding the locking projection 116 to a position that can be fastened to the insertion portion side fastening member 115.

In addition, a torsion spring 140 is installed between the operation tube 121 and the connector 130. The torsion spring 140 is twisted when the locking protrusion 116 is guided along the first guide groove 131a, and then to the original position when the locking protrusion 116 is guided along the second guide groove 131b. It is restored so that the operation unit side fastening member 125 is fastened to the insertion part side fastening member 115.

In addition, a tension coil spring 150 is installed between the insertion part side fastening member 115 and the insertion tube 111. The tension coil spring 150 is compressed as the insertion unit side operation wire 114 and the operation unit side operation wire 124 are pulled to the operation unit 120 side according to the operation of the operation handle 129 and then the operation of the operation handle 129. When the towing force is released and the tension is released, the insertion part side operation wire 114 and the operation part side operation wire 124 are restored to their original positions.

5A and 5B are operation diagrams illustrating a coupling operation of the insertion unit and the operation unit of the endoscope according to the first embodiment.

5A and 5B, the user grasps the insertion tube 111 and the connector 130 in the two hands, respectively, and connects the insertion unit 110 and the operation unit 120.

That is, the locking protrusion 116 enters the first guide groove 131a and reaches the second guide groove 131b according to the guide of the first guide groove 131a. At this time, as the locking protrusion 116 is guided by the first guide groove 131a, the connector 130 is rotated, and the operation unit side fastening member 125 is rotated together in the direction in which the connector 130 is rotated. Therefore, the operation unit side fastening member 125 is located on the side of the insertion unit side fastening member 115. The torsion spring 140 is twisted according to the rotation of the connector 130.

In addition, the insertion part side connection terminal 112a and the operation part side connection terminal 122a are mutually connected, and the operation part side supply pipe 113 and the operation part side supply pipe 123 communicate with each other.

Subsequently, the user confirms that the locking protrusion 116 has reached the second guide groove 131b and releases the connector 130. At this time, the twisted torsion spring 140 is restored to its original position, and the connector 130 is rotated by the elastic force of the torsion spring 140. Accordingly, the locking protrusion 116 is guided along the second guide groove 131b. At this time, the connector 130, the operation unit side fastening member 125 is inserted into the interior s of the fastening body 115a through the insertion groove (115b). And the operation unit side fastening member 125 inserted into the fastening body 115a is prevented from being separated in the longitudinal direction of the operation unit side operation wire 124 by the locking step (125a).

The locking protrusion 116 inserted into the locking groove 131 prevents the insertion tube 111 from being separated in the longitudinal direction from the operation tube 121.

6A and 6B are operation diagrams showing a steering operation of the endoscope according to the first embodiment.

6A and 6B, a user may need to steer the imaging unit 10 to insert the insertion unit 110 into the test object and to photograph the test object. In this case, the operation unit 129 may be manipulated to pull the operation unit side operation wire 124 to steer the imaging unit 10.

That is, when photographing the right portion of FIGS. 6A and 6B, the operation handle 129 is manipulated to pull the operation unit side operation wire 124 disposed on the right side of FIGS. 6A and 6B. Then, the operation unit side operation wire 124 is pulled, and the insertion unit side operation wire 114 fastened to the operation unit side operation wire 124 is pulled together. As the insertion unit side operation wire 114 is pulled, the photographing unit 10 may be bent to the right of FIGS. 6A and 6B to photograph the right side of FIGS. 6A and 6B. At this time, the tension coil spring 150 disposed on the right side of FIGS. 6A and 6B is compressed between the insertion tube 111 and the insertion part side fastening member 115.

 Thus, by pulling the operation part side operation wire 124 of the right part of FIG. 6A and 6B, the imaging part 10 can be steered to the right side. Then, the right portion of FIGS. 6A and 6B may be photographed using the photographing unit 10 inserted into the subject.

Subsequently, after finishing photographing the right portion of FIGS. 6A and 6B and completing the manipulation of the manipulation handle 129, the tension coil spring 150 is tensioned between the insertion tube 111 and the insertion-side fastening member 115. The insertion unit side operation wire 114 and the operation unit side operation wire 124 are restored to their original positions.

On the contrary, in the case where the left portion of FIGS. 6A and 6B is to be photographed, the operation handle is manipulated to pull the operation unit side operation wire 124 disposed on the left side of FIGS. 6A and 6B so that the photographing unit 10 is left. You can steer with.

Hereinafter, an endoscope according to a second embodiment will be described in detail with reference to the accompanying drawings. Components similar to those of the endoscope according to the first embodiment of the components of the endoscope according to the second embodiment to be described below are given the same reference numerals in the accompanying drawings, and detailed description thereof will be omitted. Therefore, elements that are not described in detail below will be understood with reference to the accompanying drawings and the above description.

7 is a cross-sectional view showing a coupling relationship between the insertion unit and the operation unit of the endoscope according to the second embodiment.

Referring to FIG. 7, the insertion part side fastening member 225 is an insertion part side fastening protrusion bent outward from the insertion part side fastening body 215a and the insertion part side fastening body 215a to which the operation part side operation wire 124 is coupled ( 215b). The operation unit side fastening member 225 includes an operation unit side fastening body 225a disposed outside the insertion unit side fastening body 215a and an operation unit side fastening protrusion 225b bent inward from the operation unit side fastening body 225a. do.

The operation unit 120 is coupled to the operation unit side operation wire 124 and penetrates through the support plate 126 and the operation tube 121 to which the operation unit side fastening member 225 is hinged in a radial direction to operate the operation unit side fastening body 225a. And a compression coil spring 128 for elastically supporting the pressure button 127 and the pressure button 127 and the operation unit side fastening member 225 by pressing the other side of the operation unit side fastening member 225.

8A and 8B are operation diagrams illustrating a coupling operation of the endoscope insertion unit and the operation unit according to the second embodiment.

8A and 8B, the user grips the insertion tube 111 in one hand and grips the operation tube 121 with the other hand to connect the insertion unit 110 and the operation unit 120.

At this time, the user holds the operation tube 121 in the other hand while pressing the pressing button 127. The pressing button 127 rotates the operation unit side fastening member 225 to press the operation unit side fastening body 225a so that the insertion part side fastening protrusion 215b can be inserted into the operation part side fastening protrusion 225b. In this way, the user releases the pressing force of the pressing button 127 in a state where the insertion part side fastening protrusion 215b is located inside the operation part side fastening protrusion 225b. The operation unit side fastening member 225 is returned to its original position by the compression coil spring 128, and the operation unit side fastening protrusion 225b is fastened to the insertion part side fastening protrusion 215b.

As the operation unit side fastening protrusion 225b and the operation unit side fastening protrusion 225b are fastened, the insertion part side operation wire 114 and the operation unit side operation wire 124 are fastened to each other. In addition, the insertion part side connection terminal 112a and the operation part side connection terminal 122a are mutually connected, and the operation part side supply pipe 113 and the operation part side supply pipe 123 communicate with each other.

Thereafter, the user may steer the photographing unit 10 by manipulating the manipulation handle 129 to pull the manipulation unit side manipulation wire 124. The steering operation of the endoscope 100a according to the second embodiment is similar to the steering operation of the endoscope 100 according to the first embodiment, and thus will be understood with reference to the above description.

As described above, the endoscopes 100 and 100a can easily attach and detach the insertion unit 110 and the operation unit 120 of the endoscopes 100 and 100a.

100: endoscope 110: insertion unit
114: insertion part side operation wire 115: insertion part side fastening member
120: operation unit 124: operation unit side operation wire
125: fastening member on the operation unit 130: connector
140: torsion spring

Claims (16)

An insertion tube installed at the front end of the photographing unit and the lighting unit to be inserted into the test object;
A data cable installed inside the insertion tube, the front end of which is connected to the photographing unit, and the connection terminal of which is installed at the rear end;
An operation wire installed inside the insertion tube, the front end of which is coupled to the front end of the insertion tube, and a fastening member to which an external power source is fastened to a rear end thereof, and a traction operation to steer the front end of the insertion tube;
And an elastic body for elastically supporting the manipulation wire so that the manipulation wire to be pulled is restored to a position before the towing operation is carried out. According to claim 1, The elastic body is a coil spring which is disposed in the longitudinal direction of the insertion tube is installed in the insertion tube,
Insert of the endoscope is characterized in that the front end of the operation wire is coupled to the front end of the coil spring. According to claim 1, wherein the elastic body is inserted into the endoscope, characterized in that the coil spring for elastically supporting the fastening member in the longitudinal direction of the insertion tube. The method according to claim 1,
A balloon installed at a front outer diameter portion of the insertion tube; and
Insertion unit of the endoscope further comprising; supply pipe connected to the balloon so that the gas is supplied to the balloon. The method of claim 4, wherein
It is installed inside the insertion tube, and surrounds the operation wire and is spaced apart from the outer peripheral surface of the operation wire further comprises an interference prevention tube for preventing the operation wire from interfering with the insertion pipe, the data cable and the supply pipe. Insertion part of the endoscope. The method according to claim 1,
An endoscope installed inside the insertion tube, the interference prevention tube surrounding the operation wire and spaced apart from an outer circumferential surface of the operation wire to prevent the operation wire from interfering with the insertion tube and the data cable. Insertion part of. The method of claim 1, wherein the fastening member
A fastening body having a space formed therein and having an insertion groove open in a direction crossing the length direction of the operation wire;
And an anti-separation jaw preventing an operation unit side operation wire inserted into the fastening body through the insertion groove from being separated from the fastening body in the longitudinal direction of the operation unit side operation wire. . The method of claim 1, wherein the fastening member
Fastening body; and
Insertion part of the endoscope, characterized in that it comprises a; fastening protrusion is bent from the fastening body to the operation wire side operation wire. An operation tube connected to a rear end of an insertion unit inserted into the test object;
A data cable disposed inside the operation tube and connected to an insertion unit side data cable installed in the insertion unit at a front end thereof;
An operation wire disposed inside the operation tube and provided with a fastening member connected to an insertion part side operation wire installed in the insertion part at a front end thereof;
A support plate to which a front end of the operation wire is coupled and the fastening member is rotatably coupled;
A pressing button for penetrating the operating tube in a radial direction to press the rear end of the fastening member to rotate the fastening member;
An elastic body elastically supporting a rear end of the fastening member; And
And a manipulation handle configured to couple the rear end of the manipulation wire to pull the manipulation wire. 10. The method of claim 9,
And an interference prevention tube surrounding the operation wire and spaced apart from an outer circumferential surface of the operation wire to prevent the operation wire from interfering with the insertion tube and the data cable. The method of claim 9, wherein the fastening member
And an engaging jaw protruding from a front end of the manipulation wire to be coupled to an end of the insertion portion side manipulation wire. The method of claim 9, wherein the fastening member
Fastening body; And
And a fastening protrusion which is bent from the fastening body and fastened to an end of the insertion part side operation wire. Inside the insertion tube in which the photographing part and the lighting part are installed at the front end, the insertion part side data cable in which the front end is connected to the photographing part and the insertion part side connection terminal is installed at the rear end, and the front end is coupled to the front end of the insertion tube and the insertion part side An insertion part at which an insertion part side operation wire is installed at a rear end of the fastening member;
An operation unit provided with an operation unit side data cable having an operation unit side connection terminal provided at a front end and an operation unit side operation wire at which a rear end is fastened to an operation handle, inside the operation tube connected to the rear end of the insertion unit;
Locking protrusion protruding from the outer peripheral surface of the rear end of the insertion tube;
And a connector rotatably coupled to a front outer diameter portion of the manipulation tube, the locking protrusion being inserted into a locking groove to prevent the insertion tube from being separated from the manipulation tube. The method of claim 13,
The manipulation part side fastening member is rotated toward the insertion part side fastening member about the central axis of the operation tube endoscopes characterized in that fastening to the insertion part side fastening member. The method of claim 13,
The connector is constrained by the operation unit side fastening member is rotated with the operation unit side fastening member,
The locking groove
A first guide groove for guiding the locking protrusion so that the manipulation part side fastening member is positioned in one side direction of the insertion part side fastening member; And
Endoscope, characterized in that consisting of a second guide groove for guiding the locking projection to the position that the operation unit side fastening member can be fastened to the insertion portion side fastening member. 16. The endoscope according to claim 15, further comprising a torsion spring for elastically supporting the connector from the operating tube.

Images