JP2019000240A - Washing adaptor for endoscope - Google Patents

Abstract

To provide a washing adapter for an endoscope capable of preventing it from being fixed to an operation part of an endoscope in an incomplete state.SOLUTION: A washing adaptor 1 includes a suction side connection member 10, an air supply/water supply side connection member 20, a connection plate 30 as a fixing plate, and a fixing mechanism 40. The suction side connection member 10 is connected to a suction cylinder 132. The air supply/water supply side connection member 20 is connected to an air supply/water supply cylinder 133. The suction side connection member 10 and the air supply/water supply side connection member 20 are fixed to the connection plate 30. The fixing mechanism 40 includes a first fixing member 41 and a second fixing member 42 that are movably attached to the connection plate 30 so that a relative position with respect to the connection plate 30 changes in a first direction D1 and engage with flange parts 138 and 139 provided to the suction cylinder 132 and the air supply/water supply cylinder 133 by being brought close to each other in the first direction D1.SELECTED DRAWING: Figure 3

Description

  The present invention relates to an endoscope cleaning adapter attached to an operation unit of an endoscope.

  In recent years, endoscopes are widely used in the medical field and the like. In particular, an endoscope used in the medical field is used by inserting an insertion portion of an endoscope into a subject. Therefore, it is required to perform sufficient cleaning, disinfection, sterilization, etc. after using the endoscope.

  In general, an operation button of an endoscope is provided with a suction button for controlling the suction operation of the endoscope and an air supply / water supply button for controlling an air supply operation and a water supply operation of the endoscope in a removable manner. Yes. The suction button is inserted into a suction cylinder provided in the operation unit of the endoscope. The air / water supply button is inserted into an air / water supply cylinder provided in the operation unit of the endoscope. When cleaning the endoscope, remove the suction button and air / water supply button from the suction cylinder and air / water supply cylinder, respectively. Instead, open the openings of the suction cylinder and air / water supply cylinder. An endoscope cleaning adapter that introduces a cleaning means such as a cleaning liquid into a pipe line in the endoscope is attached to the operation portion of the endoscope so as to close it.

  A conventional endoscope cleaning adapter is fixed to an operation portion of an endoscope by a slide member or the like.

  For example, Japanese Patent Laid-Open No. 2006-55325 discloses an internal view including a fixing member to which a tubular member connected to a suction cylinder and an air / water supply cylinder is attached, and a slide member that is slidably attached to the fixing member. Mirror cleaning couplers are disclosed. The slide member has a bottom portion that sandwiches a flange formed at the peripheral edge of the opening of the cylinder. The coupler disclosed in JP-A-2006-55325 is attached to the operation panel surface of the endoscope by sliding the slide member in a predetermined direction.

  In Japanese Patent Application Laid-Open No. 2004-49699, air supply / water supply cylinder cleaning connection portions and suction cylinder cleaning connection portions connected to the air supply / water supply cylinder port and the suction cylinder port are arranged in a row. An endoscope cleaning adapter is disclosed that includes the connecting plate and a sliding portion that is slidable along the arrangement direction of the connecting portions. The sliding part includes a cylinder port gripping part capable of gripping the air supply / water supply cylinder port and the suction cylinder port. The endoscope cleaning adapter disclosed in Japanese Patent Application Laid-Open No. 2004-49699 is attached to the operation portion of the endoscope by sliding the sliding portion in a predetermined direction.

JP 2006-55325 A JP 2004-49699 A

  However, when fixing the endoscope cleaning adapter to the operation portion of the endoscope, if the posture of the endoscope cleaning adapter is tilted, the fixing member may not be able to slide to a predetermined position. In this case, if the fixing member does not move and the endoscope cleaning adapter does not move, the user mistakes that the endoscope cleaning adapter is completely fixed, and the endoscope cleaning adapter is not used. There is a risk of being fixed in perfect condition.

  If the endoscope cleaning adapter is fixed in an incomplete state, the cleaning liquid leaks from the gap formed between the endoscope cleaning adapter and the openings of the suction cylinder and the air / water supply cylinder. There is a risk that the pipe line will not be sufficiently cleaned.

  Then, an object of this invention is to provide the washing | cleaning adapter for endoscopes which can prevent being fixed to an endoscope in an incomplete state.

  According to one aspect of the present invention, a suction-side connection member connected to a suction cylinder provided in an operation unit of an endoscope, and a feed connected to an air / water supply cylinder provided in the operation unit. The air / water supply side connection member, the suction side connection member and the fixing plate to which the air supply / water supply side connection member is fixed, and the relative position with respect to the connection plate change in the first direction. A first fixing member that is movably attached to the fixing plate and is engaged with a flange portion provided in the suction cylinder and the air / water supply cylinder by being brought close to each other in the first direction. And an endoscope cleaning adapter comprising a fixing mechanism including a second fixing member.

  ADVANTAGE OF THE INVENTION According to this invention, the washing | cleaning adapter for endoscopes which can prevent fixing in an incomplete state to an endoscope can be provided.

It is explanatory drawing for demonstrating the structure of the washing | cleaning adapter and endoscope which concern on embodiment of this invention. It is explanatory drawing for demonstrating the pipe line structure of the endoscope shown in FIG. It is a perspective view of the washing | cleaning adapter concerning embodiment of this invention. It is a perspective view which shows a part of washing | cleaning adapter concerning embodiment of this invention. It is a side view which shows a part of washing adapter concerning an embodiment of the invention. FIG. 6 is a cross-sectional view showing a cross section at the position indicated by line 6-6 in FIG. 5. It is sectional drawing which shows the cross section in the position shown by the 7-7 line | wire of FIG. It is a top view of the washing adapter concerning an embodiment of the invention. It is a top view of the connection board in an embodiment of the invention. It is a perspective view of the 1st fixing member in an embodiment of the invention. It is a perspective view of the operation member in an embodiment of the invention. It is a perspective view which shows the state before inserting the suction | inhalation side connection member and air / water supply side connection member of a washing | cleaning adapter in the suction cylinder and the air / water supply cylinder of an endoscope. It is a perspective view which shows the state after inserting the suction | inhalation side connection member and air / water supply side connection member of a washing | cleaning adapter in the suction cylinder and the air / water supply cylinder of an endoscope. It is a perspective view which shows the state before making the 1st fixing member and the 2nd fixing member adjoin. It is a perspective view which shows the state after making the 1st fixing member and the 2nd fixing member adjoin. It is a perspective view which shows the state which the 1st and 2nd fixing member engaged with the flange part. It is a top view which shows the state before rotating an operation member to a fixed position. It is a top view which shows the state after rotating the operation member to the fixed position. It is a perspective view of the attraction | suction side connection member in embodiment of this invention. FIG. 20 is a cross-sectional view of the connection member main body of the suction side connection member shown in FIG. 19. FIG. 20 is a perspective view of a connection member main body of the suction side connection member shown in FIG. 19. FIG. 20 is a perspective view of a switching member of the suction side connection member shown in FIG. 19. It is a perspective view of the air / water supply side connection member in the embodiment of the present invention. It is sectional drawing of the connection member main body of the air / water supply side connection member shown in FIG. It is a perspective view of the connection member main body of the air / water supply side connection member shown in FIG. It is a perspective view of the switching member of the air / water supply side connection member shown in FIG. It is explanatory drawing for demonstrating the effect | action of the suction side connection member in embodiment of this invention. It is explanatory drawing for demonstrating the effect | action of the suction side connection member in embodiment of this invention. It is explanatory drawing for demonstrating the effect | action of the suction side connection member in embodiment of this invention. It is explanatory drawing for demonstrating the effect | action of the air / water supply side connection member in embodiment of this invention. It is explanatory drawing for demonstrating the effect | action of the air / water supply side connection member in embodiment of this invention. It is explanatory drawing for demonstrating the effect | action of the air / water supply side connection member in embodiment of this invention.

Embodiments of the present invention will be described below with reference to the drawings.
(Endoscope configuration)
First, a schematic configuration of an endoscope to which an endoscope cleaning adapter (hereinafter simply referred to as a cleaning adapter) according to an embodiment of the present invention is attached will be described with reference to FIG. FIG. 1 shows a state where the cleaning adapter 1 and the endoscope 100 are separated.

  The endoscope 100 shown in FIG. 1 is configured to capture an ultrasonic tomographic image of a desired observation site in a subject by scanning an ultrasonic beam in the subject. It is. The endoscope 100 is provided at an insertion portion 110 to be inserted into a subject, an operation portion 130 connected to the insertion portion 110, a universal cord 140 extending from the operation portion 130, and a distal end of the universal cord 140. The endoscope connector 141, the ultrasonic probe unit 150 for capturing an ultrasonic tomographic image, and a balloon (not shown) are provided.

  The ultrasonic probe unit 150 is provided at the distal end of the insertion unit 110. The ultrasonic probe unit 150 includes a plurality of ultrasonic transducers and is configured to transmit and receive ultrasonic waves. A balloon (not shown) is provided so as to cover the periphery of the ultrasonic probe unit 150. A balloon (not shown) stores an ultrasonic medium that is a liquid, and at the time of imaging an ultrasonic tomographic image by the endoscope 100, transmission of ultrasonic waves between the imaging site and the ultrasonic probe unit 150 by the ultrasonic medium. Is for doing.

  The insertion portion 110 has a distal end portion 111 positioned at the distal end of the insertion portion 110, a bending portion 112 configured to be bendable, and a flexible tube portion 113 having flexibility. The distal end portion 111, the bending portion 112, and the flexible tube portion 113 are connected in this order from the distal end side of the insertion portion 110. Although not shown, the distal end portion 111 is provided with an imaging device for capturing an optical image.

  The operation unit 130 includes an angle knob 131, a suction cylinder 132, an air / water supply cylinder 133, a pipe cap 134, a treatment instrument raising lever 135, a suction button 136, and an air / water supply button. 137. The suction cylinder 132 and the air / water supply cylinder 133 are shown in FIG. 2 described later.

  The angle knob 131 is for operating the bending of the bending portion 112. The pipe cap 134 has an opening into which a treatment tool is inserted, and communicates with a treatment tool insertion channel described later. The treatment instrument raising lever 135 is for changing the protruding direction of the treatment instrument projected from the treatment instrument opening of the distal end portion 111.

  The suction button 136 is detachably provided on the suction cylinder 132. The air / water supply button 137 is detachably provided on the air / water supply cylinder 133. A flange portion 138 is provided at the opening of the suction cylinder 132. A flange portion 139 is provided at the opening of the air / water supply cylinder 133.

  The endoscope connector 141 includes a light source connector portion 141a connected to a light source device (not shown), a video connector portion 141b connected to a camera control unit (not shown), and an ultrasonic connector connected to an ultrasonic observation control portion (not shown). Part 141c.

  The light source device (not shown) is configured such that light emitted from the light source device enters the light source connector portion 141a. The light incident on the light source connector portion 141 a is transmitted through a light guide (not shown) provided in the endoscope 100 and is emitted from an illumination window provided on the distal end portion 111.

  A camera control unit (not shown) is provided at the distal end portion 111 via a first video cable (not shown) connected to the video connector portion 141b and a second video cable (not shown) provided in the endoscope 100. It is electrically connected to the image pickup apparatus. The camera control unit is electrically connected to an image display device (not shown), and outputs an image taken by the imaging device to the image display device.

  An ultrasonic observation control unit (not shown) is connected to an ultrasonic wave via a first ultrasonic cable (not shown) connected to the ultrasonic connector unit 141c and a second ultrasonic cable (not shown) provided in the endoscope 100. It is electrically connected to the acoustic probe unit 150.

  Although not shown, the endoscope connector 141 further includes a suction base connected to the aspirator, an air supply base connected to the air supply device, and a water supply base connected to the liquid supply tank. Yes.

  Next, with reference to FIG. 2, the pipe line configuration of the endoscope 100 will be described. FIG. 2 is an explanatory diagram for explaining a pipeline configuration of the endoscope 100 shown in FIG. Here, the configuration of the tip 111 will also be described.

  As shown in FIG. 2, the distal end portion 111 is provided with a fluid delivery port 114, a treatment instrument opening 117, a balloon drainage opening 161a, and a balloon fluid delivery opening 161b. The fluid delivery port 114 is for delivering at least one of a gas such as air and a liquid such as physiological saline. The treatment instrument opening 117 is for projecting the treatment instrument. Examples of the treatment tool include a puncture needle, a biopsy forceps, a cytodiagnosis brush, and the like. The balloon liquid supply opening 161b is for sending a liquid as an ultrasonic medium to a balloon (not shown). The balloon drainage opening 161a is for discharging liquid from a balloon (not shown).

  The suction button 136 is for controlling the suction operation from the treatment instrument opening 117 and the suction operation from a balloon (not shown). The air / water supply button 137 is used to control the operation of sending fluid from the fluid delivery port 114 and the operation of sending liquid to a balloon (not shown).

  The endoscope 100 includes a plurality of conduits provided in the insertion unit 110 and a plurality of conduits provided in the universal cord 140. In the universal cord 140, a suction line 163 communicating with the suction base of the endoscope connector 141, an air supply line 165 communicating with the air supply base and the water supply base of the endoscope connector 141, and the endoscope connector A water supply line 168 communicating with the water supply base 141 is provided. The suction line 163 communicates with the suction cylinder 132. The air supply line 165 and the water supply line 168 communicate with the air / water supply cylinder 133.

  In the insertion section 110, a treatment instrument insertion channel 118, a balloon suction conduit 164, an air supply conduit 166, a water supply conduit 167, and a balloon water supply conduit 169 are provided. The treatment instrument insertion channel 118 and the balloon suction conduit 164 communicate with the suction cylinder 132 and communicate with the suction conduit 163 in the universal cord 140 via the suction button 136. The treatment instrument insertion channel 118 communicates with a treatment instrument opening 117 provided at the distal end portion 111 and a pipe base 134 provided at the operation portion 130. The balloon suction conduit 164 communicates with a balloon drain opening 161a provided at the distal end portion 111. The air supply line 166, the water supply line 167, and the balloon water supply line 169 communicate with the air / water supply cylinder 133, and the air supply line 165 and the water supply pipe in the universal cord 140 are connected via the air / water supply button 137. It communicates with the road 168. Further, the balloon water supply conduit 169 communicates with a balloon liquid supply opening 161 b provided at the distal end portion 111.

  An air / water supply conduit 170 communicating with the fluid outlet 114 is further provided in the insertion portion 110. The air supply conduit 166, the water supply conduit 167, and the air / water supply conduit 170 meet at a predetermined position of the insertion portion 110.

  Here, the suction operation by the suction button 136 and the delivery operation by the air / water supply button 137 will be described in detail. First, a suction operation by the suction button 136 will be described. The suction button 136 is configured so that the user can push it in steps. Hereinafter, the state where the suction button 136 is not pushed is referred to as an initial state of the suction button 136.

  When the suction button 136 is pushed in one step from the initial state, a flow path connecting the treatment instrument insertion channel 118 and the suction conduit 163 is formed. As a result, body fluid or the like in the body is sucked into the suction device via the treatment instrument insertion channel 118 and the suction conduit 163.

  When the suction button 136 is pushed in two steps from the initial state, a flow path connecting the balloon suction conduit 164 and the suction conduit 163 is formed. Thereby, the liquid in the balloon is sucked into the suction device via the balloon suction conduit 164 and the suction conduit 163.

  Next, the feeding operation by the air / water feeding button 137 will be described. The air / water supply button 137 is configured so that the user can push it in steps. Hereinafter, a state where the air / water supply button 137 is not pushed in is referred to as an initial state of the air / water supply button 137.

  When the air / water supply button 137 is in the initial state, the gas supplied from an air supply device (not shown) is supplied to the air supply line 165 through the air supply cap of the endoscope connector 141. The air / water feed button 137 is formed with an air supply line 165 and a hole (not shown) communicating with the outside. Therefore, the gas supplied to the air supply conduit 165 is released to the outside through the hole of the air / water supply button 137. When the air / water supply button 137 is in the initial state, a flow path that connects the air supply line 165 and the air supply line 166 is formed. Therefore, when the user presses the hole of the air / water supply button 137, the gas supplied to the air supply line 165 is supplied to the air supply line 166 and fluid is supplied via the air / water supply line 170. Released from the outlet 114.

  When the air / water supply button 137 is pushed in one step from the initial state, the gas supplied to the air supply line 165 is supplied to the liquid supply tank via the water supply cap of the endoscope connector 141. As a result, the pressure in the liquid feeding tank increases, and the liquid in the liquid feeding tank is fed from the liquid feeding tank to the water feeding pipe 168. Further, when the air / water supply button 137 is pushed in one step from the initial state, a flow path connecting the water supply pipe 168 and the water supply pipe 167 is formed. Therefore, the liquid supplied to the water supply pipe 168 is supplied to the water supply pipe 167 and is discharged from the fluid outlet 114 through the air / water supply pipe 170.

  When the air / water feed button 137 is pushed in two steps from the initial state, a flow path connecting the water supply conduit 168 and the balloon water supply conduit 169 is formed. Therefore, the liquid supplied to the water supply pipe 168 is supplied to the balloon water supply pipe 169, discharged from the balloon liquid supply opening 161b, and supplied to a balloon (not shown).

(Structure of washing adapter)
Next, with reference to FIG. 3 thru | or FIG. 11, the washing | cleaning adapter 1 concerning this Embodiment is demonstrated. FIG. 3 is a perspective view of the cleaning adapter 1. FIG. 4 is a perspective view showing a part of the cleaning adapter 1. FIG. 5 is a side view showing a part of the cleaning adapter 1. 6 is a cross-sectional view showing a cross-section at the position indicated by line 6-6 in FIG. 7 is a cross-sectional view showing a cross-section at the position indicated by line 7-7 in FIG. FIG. 8 is a plan view of the cleaning adapter 1. FIG. 9 is a plan view of the connecting plate. FIG. 10 is a perspective view of the first fixing member. FIG. 11 is a perspective view of the operation member.

  As shown in FIGS. 3 and 4, the cleaning adapter 1 includes a suction side connection member 10, an air / water supply side connection member 20, a connection plate 30 as a fixing plate, a fixing mechanism 40, and an operation member 50. It is equipped with. 4 to 7, the suction side connection member 10 and the air / water supply side connection member 20 are omitted. The suction side connection member 10 is connected to a suction cylinder 132 (see FIG. 1) provided in the operation unit 130 of the endoscope 100. The air / water supply side connecting member 20 is connected to an air / water supply cylinder 133 (see FIG. 1) provided in the operation unit 130 of the endoscope 100. The configuration and operation of the suction side connection member 10 and the air / water supply side connection member 20 will be described in detail later.

  As shown in FIGS. 3, 5 and 6, the connecting plate 30 has a first surface 30a and a second surface 30b facing opposite sides. Here, two directions parallel to the first and second surfaces 30a and 30b of the connecting plate 30 and orthogonal to each other are defined as a first direction D1 and a second direction D2. As shown in FIG. 9, the connecting plate 30 further includes two end portions 30c and 30d located at both ends in the first direction D1, and two end portions 30e and 30e located at both ends in the second direction D2. 30f. The planar shape of the connecting plate 30 (the shape seen from the direction perpendicular to the first and second surfaces 30a and 30b) is a long rounded rectangle in the second direction D2.

  As shown in FIG. 9, the connecting plate 30 further includes a circular opening 31 into which the suction side connection member 10 is inserted, and a circular opening into which the air / water supply side connection member 20 is inserted. The portion 32, the two first groove portions 33A and 33B having the long hole shape along the first direction D1, the two second groove portions 34A and 34B, and a sliding portion of the operation member 50 described later are inserted. And a circular opening 35. The openings 31, 32, 35, the first groove portions 33A, 33B, and the second groove portions 34A, 34B penetrate from the first surface 30a to the second surface 30b.

  The openings 31 and 32 are arranged along the second direction D2. The opening 35 is disposed between the opening 31 and the opening 32. 33 A of 1st groove parts are arrange | positioned in the vicinity of the corner | angular part where the edge part 30c and the edge part 30e cross. The first groove 33B is disposed in the vicinity of the corner where the end 30c and the end 30f intersect. The second groove 34A is disposed in the vicinity of the corner where the end 30d and the end 30e intersect. The second groove 34B is disposed in the vicinity of the corner where the end 30d and the end 30f intersect.

  The suction side connection member 10 and the air / water supply side connection member 20 are fixed to the connecting plate 30 as follows. The suction side connection member 10 and the air / water supply side connection member 20 are arranged so as to be aligned along the second direction D2, and intersect with at least one of the first and second surfaces 30a, 30b. It is fixed to the connecting plate 30. Particularly in the present embodiment, the suction-side connecting member 10 is inserted into the opening 31 and is fixed to the connecting plate 30 so as to intersect with both the first and second surfaces 30a and 30b. Further, the air / water supply side connecting member 20 is inserted into the opening 32 and fixed to the connecting plate 30 so as to intersect both the first and second surfaces 30a, 30b.

  As shown in FIGS. 3 to 5 and 8, the fixing mechanism 40 includes a first fixing member 41 and a second fixing member 42. The first and second fixing members 41 and 42 are brought close to each other in the first direction D1, and flange portions 138 and 139 provided in the suction cylinder 132 and the air / water supply cylinder 133 (FIGS. 1 and 2). Engaged). In the present embodiment, the first and second fixing members 41 and 42 are movably attached to the connecting plate 30 such that the relative position with respect to the connecting plate 30 changes in the first direction D1. .

  In addition, as a mode of the change in the relative positional relationship between the first fixing member 41 and the second fixing member 42, other than a mode in which both the first fixing member 41 and the second fixing member 42 move. In addition, a mode in which only one of the first fixing member 41 and the second fixing member 42 moves is included.

  As shown in FIGS. 3 to 5 and 10, the first fixing member 41 includes a plate-like first engaging portion 41A, a plate-like third engaging portion 41B, and a first engagement member. It includes a first connecting portion 41C that connects the joining portion 41A and the third engaging portion 41B. In the present embodiment, the shape of the cross section perpendicular to the second direction D2 of the combined portion of the first engaging portion 41A, the third engaging portion 41B, and the first connecting portion 41C is a U-shape. Is.

  The first engaging portion 41A engages with the flange portions 138 and 139. The third engaging portion 41 </ b> B engages with the connecting plate 30. The connecting plate 30 is located between the first engaging portion 41A and the third engaging portion 41B.

  As shown in FIGS. 3 to 5, the second fixing member 42 includes a plate-like second engaging portion 42A, a plate-like fourth engaging portion 42B, and a second engaging portion 42A. And a second connecting portion 42C for connecting the fourth engaging portion 42B. In the present embodiment, the shape of the cross section perpendicular to the second direction D2 of the combined portion of the second engaging portion 42A, the fourth engaging portion 42B, and the second connecting portion 42C is a U-shape. Is.

  The second engaging portion 42A engages with the flange portions 138 and 139. The fourth engaging portion 42 </ b> B engages with the connecting plate 30. The connecting plate 30 is located between the second engaging portion 42A and the fourth engaging portion 42B.

  41 A of 1st engaging parts and 42 A of 2nd engaging parts are arrange | positioned so that it may mutually oppose. Further, the third engaging portion 41B and the fourth engaging portion 42B are also arranged so as to face each other. The first connection portion 41C and the second connection portion 42C are disposed on both sides of the connecting plate 30 in the first direction D1. That is, the connecting plate 30 is located between the first connection portion 41C and the second connection portion 42C.

  As shown in FIGS. 4 and 10, the first engaging portion 41 </ b> A has a cutout portion 41 </ b> Aa having a shape corresponding to the flange portion 138 and a cutout portion 41 </ b> Ab having a shape corresponding to the flange portion 139. ing. Further, as shown in FIG. 4, the second engaging portion 42 </ b> A has a notch portion 42 </ b> Aa having a shape corresponding to the flange portion 138 and a notch portion 42 </ b> Ab having a shape corresponding to the flange portion 139. Yes. The notch 41Aa and the notch 42Aa face each other. The notch 41Ab and the notch 42Ab face each other. The configuration of the flange portions 138 and 139 and the specific shapes of the notches 41Aa, 41Ab, 42Aa, and 42Ab will be described later.

  The first fixing member 41 is attached to the connecting plate 30 as follows. As shown in FIGS. 4, 6, and 10, the first fixing member 41 is further connected to the third engaging portion 41B, and the first engaging portion 41A is connected to the third engaging portion 41B. Two first columnar portions 41D and 41E projecting toward the front are included. The first columnar portion 41D is connected to a portion of the third engaging portion 41B in the vicinity of one end in the second direction D2, and is inserted into the first groove portion 33A of the connecting plate 30. The first columnar part 41E is connected to a part of the third engaging part 41B near the other end in the second direction D2, and is inserted into the first groove part 33B of the connecting plate 30.

  As shown in FIGS. 3 to 6, the first columnar portion 41 </ b> D is located near the end of the first columnar portion 41 </ b> D opposite to the connection portion with the third engaging portion 41 </ b> B. A retaining member 61 is provided for preventing the groove portion 33A from slipping out. As shown in FIGS. 4 and 6, the first columnar portion 41 </ b> E is provided in the vicinity of the end of the first columnar portion 41 </ b> E opposite to the connection portion with the third engaging portion 41 </ b> B. A retaining member 62 that prevents the first groove portion 33B from slipping out is provided.

  The first columnar portion 41D is slidable in the first groove portion 33A in the first direction D1, and the first columnar portion 41E is slid in the first groove portion 33B in the first direction D1. Is possible. As a result, the first fixing member 41 also slides in the first direction D1. With such a configuration, the first fixing member 41 is movably attached to the connecting plate 30 such that the relative position to the connecting plate 30 changes in the first direction D1.

  Moreover, the 2nd fixing member 42 is attached to the connection board 30 as follows. As shown in FIG. 4, the second fixing member 42 is further connected to the fourth engagement portion 42B and protrudes from the fourth engagement portion 42B toward the second engagement portion 42A. Two second columnar portions 42D and 42E are included. The second columnar portion 42D is connected to a portion of the fourth engaging portion 42B in the vicinity of one end in the second direction D2, and is inserted into the second groove portion 34A of the connecting plate 30. The second columnar part 42E is connected to a part of the fourth engaging part 42B near the other end in the second direction D2, and is inserted into the second groove part 34B of the connecting plate 30.

  As shown in FIGS. 3 to 5, the second columnar portion 42 </ b> D is formed in the vicinity of the end of the second columnar portion 42 </ b> D opposite to the connection portion with the fourth engaging portion 42 </ b> B. A retaining member 63 is provided to prevent the groove portion 34A from slipping out. In addition, as shown in FIG. 4, the second columnar portion 42 </ b> E is formed in the vicinity of the end of the second columnar portion 42 </ b> E opposite to the connection portion with the fourth engaging portion 42 </ b> B. A retaining member 64 that prevents the groove portion 34B from slipping out is provided.

  The second columnar portion 42D is slidable in the first direction D1 in the second groove portion 34A, and the second columnar portion 42E is slid in the first direction D1 in the second groove portion 34B. Is possible. Accordingly, the second fixing member 42 also slides in the first direction D1. With such a configuration, the second fixing member 42 is movably attached to the connection plate 30 such that the relative position to the connection plate 30 changes in the first direction D1.

  As shown in FIGS. 8 and 10, the first fixing member 41 further includes a first extending portion 41F extending in the first direction D1. In the present embodiment, the first extending portion 41F is connected to the third engaging portion 41B at a portion near the center of the third engaging portion 41B in the second direction D2. Particularly in the present embodiment, the first extending portion 41F is arranged at a position closer to the first columnar portion 41E than the center. In FIG. 8, the boundary between the third engaging portion 41B and the first extending portion 41F is indicated by a dotted line. In FIG. 5, the first extending portion 41F is omitted.

  Further, as shown in FIG. 8, the second fixing member 42 further includes a second extending portion 42F extending in the first direction D1. In the present embodiment, the second extending portion 42F is connected to the fourth engaging portion 42B in the vicinity of the center of the fourth engaging portion 42B in the second direction D2. Particularly in the present embodiment, the second extending portion 42F is arranged at a position closer to the second columnar portion 42D (see FIG. 4) than the center. In FIG. 8, the boundary between the fourth engaging portion 42B and the second extending portion 42F is indicated by a dotted line. In FIG. 5, the second extending portion 42F is omitted.

  As shown in FIGS. 8 and 10, the first extending portion 41F has a first cutout portion 41Fa formed on the surface of the first extending portion 41F on the first columnar portion 41D side. doing. As shown in FIG. 8, the second extending portion 42F has a second cutout portion 42Fa formed on the surface of the second extending portion 42F on the second columnar portion 42E (see FIG. 4) side. have. As shown in FIG. 8, the surface of the first extending portion 41F provided with the first notch 41Fa and the surface of the second extending portion 42F provided with the second notch 42Fa. Are opposed to each other. In the state shown in FIG. 8, the position of the first notch 41Fa in the first direction D1 is different from the position of the second notch 42Fa in the first direction D1.

  The operation member 50 has a movable state in which the relative positions of the first and second fixing members 41 and 42 can be changed and a fixed state in which the positions of the first and second fixing members 41 and 42 are fixed. It is to switch. More specifically, the movable state is a state in which the user can move the first and second fixing members 41, 42, and the fixed state is the first and second fixing members 41 by the user. , 42 cannot be moved. In the present embodiment, the operation member 50 is rotatably attached to the connecting plate 30 and switches between the movable state and the fixed state according to the rotated position. Hereinafter, the position of the operation member 50 that realizes the movable state is referred to as a movable position, and the position of the operation member 50 that realizes the fixed state is referred to as a fixed position. The movable position and the fixed position will be described later.

  The operation member 50 includes a columnar portion 52. The columnar part 52 has a shape that is long in one direction. In the present embodiment, the operation member 50 is attached to the connecting plate 30 so that the axial direction of the columnar portion 52 is perpendicular to the first and second surfaces 30a, 30b of the connecting plate 30.

  The operation member 50 further includes a head portion 51 connected to one end portion in the longitudinal direction of the columnar portion 52 and a sliding portion 53 connected to the other end portion in the longitudinal direction of the columnar portion 52. In FIG. 8, the head 51 is omitted. The same notation as in FIG. 8 is used for the same figure as in FIG. 8 used in the following description.

  As shown in FIGS. 4, 7, and 11, the sliding portion 53 has a cylindrical shape and is inserted into the opening 35 of the connecting plate 30. As shown in FIGS. 4, 5, and 7, in the vicinity of the end of the sliding portion 53 on the side opposite to the connecting portion with the columnar portion 52, the sliding portion 53 comes out of the opening 35. A retaining member 65 is provided to prevent it. The operation member 50 rotates around the axis of the sliding portion 53 around the central axis of the sliding portion 53. Thereby, the operation member 50 can be rotated in an arbitrary direction around the axis of the columnar portion 52.

  As shown in FIGS. 8 and 11, the columnar portion 52 includes two plane portions 52a and 52b facing opposite to each other, and two curved surface portions 52c and 52d that connect the two plane portions 52a and 52b. have. The plane parts 52a and 52b are planes parallel to the longitudinal direction of the columnar part 52 and parallel to each other.

  As shown in FIGS. 7 and 8, the columnar portion 52 is disposed between the first extension portion 41F and the second extension portion 42F. The curved surface parts 52c and 52d have shapes corresponding to the first notch part 41Fa of the first extension part 41F and the second notch part 42Fa of the second extension part 42F. In the present embodiment, two curved lines formed by intersecting a virtual plane perpendicular to the longitudinal direction of the columnar section 52 and the first and second cutout portions 41Fa and 42Fa, and the virtual plane and the curved surface section 52c. , 52d intersect with each other, and both curves are arcs. The maximum interval between the two curved surface portions 52c and 52d in the direction perpendicular to the longitudinal direction of the columnar portion 52 (hereinafter referred to as the first interval) is the interval between the two plane portions 52a and 52b (hereinafter referred to as the second interval). It is said that it is larger than.)

  An interval between the portion of the first extension 41F excluding the first notch 41Fa and the portion of the second extension 42F excluding the second notch 42Fa (hereinafter, third) Is equal to or greater than the second interval and less than the first interval. Particularly in the present embodiment, the third interval is slightly larger than the second interval. Further, the maximum interval between the first notch 41Fa and the second notch 42Fa in the second direction D2 (hereinafter referred to as the fourth interval) is larger than the third interval. Below the first interval. Particularly in the present embodiment, the fourth interval is substantially equal to the first interval.

  In the present embodiment, the shape of the cross section perpendicular to the longitudinal direction of the columnar portion 52 is a shape that is long in one direction. When the operation member 50 is rotated to a position where the major axis direction of the cross section coincides with or substantially coincides with the first direction D1, the first and second extending portions 41F and 42F are moved in the first direction D1. Can be moved to. In other words, when the operation member 50 is rotated to this position, a movable state that allows the relative positions of the first and second fixing members 41 and 42 to be changed is realized. In the present embodiment, this position corresponds to a movable position.

  In the state shown in FIG. 8, the first and second fixing members 41 and 42 are in positions where they do not engage with the flange portions 138 and 139. As will be described later, in the present embodiment, the fixed position is a position rotated 90 degrees from the movable position in an arbitrary direction around the axis of the columnar portion 52 of the operation member 50. In the state shown in FIG. 8, the operation member 50 does not rotate to the fixed position.

  The connecting plate 30, the first fixing member 41, the second fixing member 42, the operation member 50, and the retaining members 61 to 65 are made of a metal material such as stainless steel, for example. The materials of the suction side connection member 10 and the air / water supply side connection member 20 will be described later.

(How to attach the cleaning adapter)
Next, with reference to FIG. 12 thru | or FIG. 18, the attachment method of the washing | cleaning adapter 1 concerning this Embodiment is demonstrated. First, the user keeps the first and second fixing members 41 and 42 movable. Specifically, the operation member 50 is rotated to the aforementioned movable position. Next, the first fixing member 41 and the second fixing member 42 are separated from each other in the first direction D1.

  Next, the user matches the central axis of the suction side connection member 10 of the cleaning adapter 1 with the central axis of the suction cylinder 132 of the endoscope 100, and the center of the air / water supply side connection member 20 of the cleaning adapter 1. The axis is aligned with the central axis of the air / water supply cylinder 133 of the endoscope 100, the suction side connection member 10 is inserted into the suction cylinder 132, and the air / water supply side connection member 20 is inserted into the air / water supply cylinder. Insert into 133. FIG. 12 shows a state before the suction side connection member 10 and the air / water supply side connection member 20 are inserted into the suction cylinder 132 and the air / water supply cylinder 133. FIG. 13 shows a state after the suction side connection member 10 and the air / water supply side connection member 20 are inserted into the suction cylinder 132 and the air / water supply cylinder 133.

  Here, the configuration of the flange portions 138 and 139, the shape of the cutout portions 41Aa and 41Ab of the first engagement portion 41A, and the shape of the cutout portions 42Aa and 42Ab of the second engagement portion 42A will be described. As shown in FIG. 12, the flange portion 138 includes a flange 138 </ b> A and a cylindrical portion 138 </ b> B positioned between the flange 138 </ b> A and the opening of the suction cylinder 132. The flange portion 139 includes a flange 139A and a tubular portion 139B located between the flange 139A and the opening of the air / water supply cylinder 133.

  In the present embodiment, the shape of the notches 41Aa and 42Aa is a shape along the outer peripheral surface 138Ba of the cylindrical portion 138B of the flange portion 138. Moreover, the shape of the notches 41Ab and 42Ab is a shape along the outer peripheral surface 139Ba of the cylindrical portion 139B of the flange portion 139.

  In the state shown in FIG. 13, the notches 41 </ b> Aa and 42 </ b> Aa are opposed to the outer peripheral surface 138 </ b> Ba of the cylindrical portion 138 </ b> B of the flange portion 138 with a predetermined interval. The notches 41Ab and 42Ab are opposed to the outer peripheral surface 139Ba of the cylindrical portion 139B of the flange portion 139 with a predetermined interval.

  Next, the user brings the first fixing member 41 and the second fixing member 42 close to each other in the first direction D1, and the first engaging portion 41A of the first fixing member 41 and the second fixing member 41 are fixed. The second engaging portion 42A of the member 42 is engaged with the flange portions 138 and 139. Specifically, the first fixing member 41 is inserted into the first grooves 33A and 33B of the connecting plate 30 until the notch 41Aa abuts on the outer peripheral surface 138Ba and the notch 41Ab abuts on the outer peripheral surface 139Ba. Slide along. Further, the second fixing member 42 is slid along the second groove portions 34A and 34B of the connecting plate 30 until the notch portion 42Aa contacts the outer peripheral surface 138Ba and the notch portion 42Ab contacts the outer peripheral surface 139Ba. Let FIG. 14 shows a state before the first fixing member 41 and the second fixing member 42 are brought close to each other. FIG. 15 shows a state after the first fixing member 41 and the second fixing member 42 are brought close to each other.

  FIG. 16 shows a state in which the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139. In this state, a part of the first engaging part 41A and a part of the second engaging part 42A are caught by the flanges 138A and 139A, thereby preventing the cleaning adapter 1 from dropping from the operation part 130. .

  In the present embodiment, the notch 41Aa is only in a state where the suction side connection member 10 is connected to the suction cylinder 132 and the air / water supply side connection member 20 is connected to the air / water supply cylinder 133. , 42Aa abuts on the outer peripheral surface 138Ba, and the first and second engaging portions 41A, 42A and the flange portions 138, 139 are arranged in such a positional relationship that the notches 41Ab, 42Ab abut on the outer peripheral surface 139Ba. ing. Therefore, the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139 only in the above state.

  Next, the user fixes the first and second fixing members 41 and 42 to the flange portions 138 and 139 using the operation member 50. Specifically, in a state where the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139, the operation member 50 is rotated from the movable position to the fixed position. In the present embodiment, the position of the operating member 50 becomes the fixed position by rotating the operating member 50 by 90 degrees in an arbitrary direction around the axis of the columnar portion 52 of the operating member 50 from the movable position.

  FIG. 17 shows a state before the operation member 50 is rotated to the fixed position, that is, a state before the operation member 50 is rotated 90 degrees. In the state shown in FIG. 17, the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139. In this state, the position of the first notch 41Fa in the first direction D1 is the same as the position of the second notch 42Fa in the first direction D1, and the first notch 41Fa. And the second notch 42Fa are opposed to each other via the columnar portion 52 of the operation member 50. Thus, a space is formed between the first cutout portion 41Fa and the second cutout portion 42Fa so that the columnar portion 52 can be rotated so that the operation member 50 is rotated to the fixed position. As a result, the operation member 50 can be rotated to the fixed position.

  As described above, in the present embodiment, the two curves formed by the intersection of the virtual plane perpendicular to the longitudinal direction of the columnar portion 52 and the first and second cutout portions 41Fa and 42Fa are arcs. . In particular, in the state shown in FIG. 17, the two curves (arcs) are on the circumference of one circle. Hereinafter, this one circle is referred to as a first virtual circle. Two curves formed by the intersection of the virtual plane and the curved surface portions 52c and 52d of the columnar portion 52 are also arcs. In the present embodiment, these two curves (arcs) are on the circumference of another circle. Hereinafter, this other one circle is referred to as a second virtual circle. In the state shown in FIG. 17, the center of the first virtual circle coincides with the center of the second virtual circle.

  FIG. 18 shows a state after the operating member 50 is rotated to the fixed position, that is, a state after the operating member 50 is rotated 90 degrees. In the present embodiment, when the operation member 50 is rotated to a position where the major axis direction of the cross section perpendicular to the longitudinal direction of the columnar portion 52 coincides with or substantially coincides with the second direction D2, the first and second portions are arranged. A fixed state in which the positions of the fixing members 41 and 42 are fixed is realized. In the present embodiment, this position corresponds to a fixed position. The fixed position is a position rotated 90 degrees from the movable position in an arbitrary direction around the axis of the columnar portion 52 of the operation member 50. In this state, one of the curved surface portions 52c and 52d of the columnar portion 52 is engaged with the first cutout portion 41Fa, and the other is engaged with the second cutout portion 42Fa. Thereby, the movement of the 1st and 2nd extension parts 41F and 42F is inhibited, and the position of the 1st and 2nd fixing members 41 and 42 is fixed. As a result, the first and second fixing members 41 and 42 are fixed to the flange portion 138 of the suction cylinder 132 and the flange portion 139 of the air / water supply cylinder 133.

  Next, a method for removing the cleaning adapter 1 will be briefly described. First, the operation member 50 is rotated to the movable position. In the present embodiment, the movable position is a position rotated 90 degrees from the fixed position in an arbitrary direction around the axis of the columnar portion 52 of the operation member 50. Next, the first fixing member 41 and the second fixing member 42 are separated from each other in the first direction D1. Next, the cleaning adapter 1 is removed from the operation unit 130 so that the suction side connection member 10 is removed from the suction cylinder 132 and the air / water supply side connection member 20 is removed from the air / water supply cylinder 133.

(effect)
As described above, in the present embodiment, the first and second fixing members 41 and 42 that are movably attached to the connecting plate 30 as the fixing plate are moved closer to each other in the first direction D1. The first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139. According to the present embodiment, the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139 by confirming that the first and second fixing members 41 and 42 are close to each other. I can confirm that. Thereby, according to this Embodiment, it can prevent that the washing | cleaning adapter 1 is fixed to the endoscope 100 in an incomplete state.

  In the present embodiment, the first engaging portion 41A of the first fixing member 41 and the second engaging portion 42A of the second fixing member 42 are arranged so as to face each other. According to the present embodiment, the flange portions 138 and 139 can be clamped by the first and second engaging portions 41A and 42A, so that the cleaning adapter 1 can be more securely fixed to the endoscope 100. it can.

  In the present embodiment, the operation member 50 is used to switch between the movable state and the fixed state of the first and second fixing members 41 and 42. According to the present embodiment, whether or not the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139 can be confirmed based on the rotation position of the operation member 50. According to the present embodiment, this can also prevent the cleaning adapter 1 from being fixed to the endoscope 100 in an incomplete state.

  Particularly in the present embodiment, when the first and second fixing members 41 and 42 are in positions where they are engaged with the flange portions 138 and 139, the operation member 50 can be rotated to the fixing position. That is, in this case, a space is formed between the first cutout portion 41Fa and the second cutout portion 42Fa so that the columnar portion 52 can be rotated so that the operation member 50 is rotated to a fixed position. The However, when the first and second fixing members 41 and 42 are in positions where they do not engage with the flange portions 138 and 139, the positions of the first notch portion 41Fa and the second notch portion 42Fa are shifted. In addition, the space is not formed, and the operation member 50 does not rotate to the fixed position. As described above, in the present embodiment, the first and second cutout portions 41Fa and 42Fa are located at positions where the first and second fixing members 41 and 42 are engaged with the flange portions 138 and 139. Although the space is formed, when the first and second fixing members 41 and 42 are in positions where they do not engage with the flange portions 138 and 139, they are arranged in a positional relationship where the space is not formed.

  In the present embodiment, as described above, the first and second fixing members 41 and 42 are configured such that the suction side connection member 10 is connected to the suction cylinder 132 and the air / water supply side connection member 20 is fed. The flanges 138 and 139 are engaged only when connected to the air / water supply cylinder 133. According to the present embodiment, this can also prevent the cleaning adapter 1 from being fixed to the endoscope 100 in an incomplete state.

  The first and second fixing members 41 and 42 may be configured so as to be engaged with the flange portions 138 and 139, and their shapes and configurations have been described in the present embodiment. It is not limited to examples.

  Further, the first and second cutout portions 41Fa, 42Fa of the first and second extension portions 41F, 42F and the columnar portion 52 of the operation member 50 are in the fixed state, and the first and second extension portions 41F are fixed. , 42F only need to be inhibited, and their shape and configuration are not limited to the example described in the present embodiment.

(Configuration of suction side connection member and air / water supply side connection member)
By the way, the suction-side connection member 10 and the air / water-supply side connection member 20 in the present embodiment are used for cleaning liquid or the like in a plurality of pipes provided in the endoscope 100 when the endoscope 100 is cleaned. It is comprised so that liquid can be sent. Hereinafter, the structure of the suction side connection member 10 and the air / water supply side connection member 20 will be described in detail.

  First, the configuration of the suction side connecting member 10 will be described in detail with reference to FIGS. 19 to 22. FIG. 19 is a perspective view of the suction side connection member 10. As shown in FIG. 19, the suction side connection member 10 includes a connection member main body 11 and a switching member 15. FIG. 20 is a cross-sectional view of the connection member main body 11. FIG. 21 is a perspective view of the connection member main body 11. FIG. 22 is a perspective view of the switching member 15. The connection member main body 11 and the switching member 15 are made of a metal material such as stainless steel, for example.

  As shown in FIG. 22, the switching member 15 has a long shape in the third direction D3. The connection member main body 11 has a storage portion and a pipe line, which will be described later, so that the switching member 15 can be inserted and removed in the third direction D3.

  As shown in FIGS. 19 to 21, the connection member main body 11 includes a tubular portion 12, a first tubular portion 13, and a second tubular portion 14. In the present embodiment, the cylindrical portion 12 has a cylindrical shape whose outer diameter changes in two steps according to the position in the third direction D3. Moreover, the cylindrical part 12 has the 1st end surface 12a and the 2nd end surface 12b located in the both ends in the 3rd direction D3.

  As shown in FIGS. 20 and 21, the tubular portion 12 further has an accommodating portion 12 c that opens at the first end surface 12 a and accommodates a part of the switching member 15. As shown in FIG. 21, in the present embodiment, the accommodating portion 12c has a so-called D-cut shape, and a cross-sectional shape perpendicular to the third direction D3 is a D-shape. The accommodating part 12c has an inner wall including a flat part 12c1 and a curved part 12c2.

  As shown in FIG. 20, the cylindrical portion 12 further has a concave portion 12 d that opens at the second end surface 12 b. The first tubular portion 13 has a long shape in the third direction D3, and is connected to the tubular portion 12 at the bottom of the recess 12d.

  As shown in FIG. 20, the first tubular portion 13 includes a first suction conduit liquid supply port 13a, a second suction conduit liquid supply port 13b, and a conduit 13c. The first suction conduit liquid supply port 13 a is provided at the end of the first tubular portion 13 opposite to the cylindrical portion 12. The second suction conduit liquid supply port 13 b is provided on the outer peripheral portion of the cylindrical portion 12.

  The conduit 13 c communicates with the first and second suction conduit liquid supply ports 13 a and 13 b and the accommodating portion 12 c of the cylindrical portion 12. Another part of the switching member 15 is accommodated in the pipe line 13c. The shape of the cross section perpendicular to the third direction D3 of the pipe line 13c is a circle.

  As shown in FIGS. 19 and 20, most of the second tubular portion 14 has a long shape in the third direction D <b> 3, and the connection between the first tubular portion 13 and the tubular portion 12 is performed. It bends in the vicinity of the portion and is connected to the first tubular portion 13.

  As shown in FIG. 20, the second tubular portion 14 includes a balloon suction conduit liquid supply port 14a and a conduit 14b. The balloon suction conduit liquid supply port 14 a is provided at the end of the second tubular portion 14 opposite to the connection portion with the first tubular portion 13. The conduit 14 b communicates with the balloon suction conduit liquid supply port 14 a and the conduit 13 c of the first tubular portion 13.

  As shown in FIGS. 19 to 21, the suction side connection member 10 is further provided on the outer peripheral portion of the pair of support members 16 </ b> A and 16 </ b> B embedded in the tubular portion 12 and the first tubular portion 13. Two sealing members 17 and 18 and a sealing member 19 provided on the outer peripheral portion of the second tubular portion 14 are provided. The support members 16A and 16B support the switching member 15 so as to be movable in the third direction D3, and a part thereof is provided so as to protrude from the inner wall of the housing portion 12c. The support members 16A and 16B are arranged at the same position in the third direction D3. For example, ball plungers are used as the support members 16A and 16B.

  As shown in FIG. 20, the sealing member 17 is disposed between the end portion of the first tubular portion 13 and the second suction conduit liquid supply port 13 b. The sealing member 18 is disposed between the connection portion of the first tubular portion 13 and the second tubular portion 14 and the second suction conduit liquid supply port 13b. The sealing member 19 is disposed in the vicinity of the end portion of the second tubular portion 14. As a material of the sealing members 17 to 19, for example, a resin is used.

  As shown in FIG. 22, the switching member 15 includes a base portion 15A, a support portion 15B, and a tubular portion 15C. A syringe or the like is attached to the base portion 15A in order to introduce a cleaning liquid or the like. The base portion 15A has a first end surface 15Aa and a second end surface 15Ab located at both ends in the third direction D3. The support portion 15B is connected to the second end surface 15Ab of the base portion 15A. The tubular portion 15C is connected to the end of the support portion 15B opposite to the base portion 15A.

  In a state where the switching member 15 is inserted into the connection member main body 11, at least a part of the support portion 15 </ b> B is accommodated in the accommodation portion 12 c of the cylindrical portion 12 of the connection member main body 11. In the present embodiment, the support portion 15B has a so-called D-cut shape, and a cross-sectional shape perpendicular to the third direction D3 is a D-shape. As shown in FIG. 22, the support portion 15B has a flat surface portion 15Ba and a curved surface portion 15Bb. The flat surface portion 15Ba and the curved surface portion 15Bb have shapes corresponding to the flat surface portion 12c1 and the curved surface portion 12c2 of the inner wall of the accommodating portion 12c, respectively.

  The support portion 15B includes three support grooves 15Bc1, 15Bc2, and 15Bc3 that are formed at different positions in the third direction D3. The support grooves 15Bc1 to 15Bc3 are arranged in this order from the base part 15A side. The support grooves 15Bc1 to 15Bc3 are each formed in a direction around the axis of the switching member 15. The cross-sectional shape of the support grooves 15Bc1 to 15Bc3 is, for example, a V shape.

  When the switching member 15 is moved in the third direction D3, the support members 16A and 16B are selectively fitted into the support grooves 15Bc1 to 15Bc3. Thereby, the position of the switching member 15 in the third direction D3 can be held at a position corresponding to the support grooves 15Bc1 to 15Bc3.

  In a state where the switching member 15 is inserted into the connection member main body 11, a part of the tubular portion 15 </ b> C is accommodated in the conduit 13 c of the first tubular portion 13 of the connection member main body 11. In the present embodiment, the tubular portion 15C has a cylindrical shape extending in the third direction D3. FIG. 19 shows a state where the support members 16A and 16B are fitted in the support groove 15Bc1. In this state, the tubular portion 15 </ b> C protrudes from the first suction conduit liquid supply port 13 a of the first tubular portion 13.

  As shown in FIG. 22, the switching member 15 further includes an introduction port 15a, a suction conduit liquid supply port 15b, a balloon suction conduit liquid supply port 15c, and a conduit 15d. The introduction port 15a is provided on the first end surface 15Aa of the base portion 15A. The suction conduit liquid supply port 15b and the balloon suction conduit liquid supply port 15c are provided on the outer peripheral portion of the tubular portion 15C. The suction conduit liquid supply port 15b is disposed in the vicinity of the end of the tubular portion 15C opposite to the support portion 15B. The balloon suction line liquid supply port 15c is disposed between the suction line liquid supply port 15b and the support portion 15B. The conduit 15d communicates with the inlet 15a, the suction conduit liquid supply port 15b, and the balloon suction conduit liquid supply port 15c.

  Next, the structure of the air / water supply side connecting member 20 will be described with reference to FIGS. FIG. 23 is a perspective view of the air / water supply side connecting member 20. As shown in FIG. 23, the air / water supply side connection member 20 includes a connection member main body 21 and a switching member 25. FIG. 24 is a cross-sectional view of the connection member main body 21. FIG. 25 is a perspective view of the connection member main body 21. FIG. 26 is a perspective view of the switching member 25. The connection member main body 21 and the switching member 25 are made of a metal material such as stainless steel, for example.

  As shown in FIG. 26, the switching member 25 has a long shape in the fourth direction D4. The connection member main body 21 has a storage portion and a pipe line, which will be described later, so that the switching member 25 can be inserted and removed in the fourth direction D4.

  As shown in FIGS. 23 to 25, the connection member main body 21 includes a tubular portion 22 and a tubular portion 23. In the present embodiment, the cylindrical portion 22 has a cylindrical shape whose outer diameter changes in four stages according to the position in the fourth direction D4. Moreover, the cylindrical part 22 has the 1st end surface 22a and the 2nd end surface 22b located in the both ends in the 4th direction D4.

  As shown in FIGS. 24 and 25, the tubular portion 22 further has an accommodating portion 22 c that opens at the first end surface 22 a and accommodates a part of the switching member 25. As shown in FIG. 25, in the present embodiment, the accommodating portion 22c has a so-called D-cut shape, and a cross-sectional shape perpendicular to the fourth direction D4 is a D-shape. The accommodating part 22c has an inner wall including a flat part 22c1 and a curved part 22c2.

  As shown in FIGS. 23 and 24, the tubular portion 23 has a long shape in the fourth direction D4 and is connected to the second end surface 22b of the tubular portion 22. Further, as shown in FIG. 24, the tubular portion 23 is composed of a pair of water supply line liquid supply ports 23a1, 23a2, a pair of balloon water supply line liquid supply ports 23b1, 23b2, and a pair of air supply line liquid supply ports. 23c1, 23c2 and a pipe line 23d. The water supply line liquid supply ports 23 a 1 and 23 a 2, the balloon water supply line liquid supply ports 23 b 1 and 23 b 2 and the air supply line liquid supply ports 23 c 1 and 23 c 2 are provided on the outer peripheral portion of the tubular portion 23.

  The water supply line liquid supply port 23a1 is disposed in the vicinity of the end of the tubular portion 23 opposite to the tubular portion 22. The balloon water supply line liquid supply port 23 b 1 is disposed between the water supply line liquid supply port 23 a 1 and the cylindrical portion 22. The air supply line liquid supply port 23 c 1 is disposed between the balloon water supply line liquid supply port 23 b 1 and the cylindrical portion 22. The water supply line liquid supply port 23a2, the balloon water supply line liquid supply port 23b2, and the air supply line liquid supply port 23c2 are respectively the water supply line liquid supply port 23a1 and the balloon water supply line liquid supply port 23b1 in the fourth direction D4. And it is arrange | positioned in the same position as the air supply line liquid supply port 23c1.

  The conduit 23 d communicates with the water supply conduits 23 a 1, 23 a 2, the balloon water supply conduits 23 b 1, 23 b 2, the air supply conduits 23 c 1, 23 c 2, and the accommodating portion 22 c of the tubular portion 22. Another part of the switching member 25 is accommodated in the pipe line 23d. The shape of the cross section perpendicular to the fourth direction D4 of the pipe line 23d is a circle.

  As shown in FIGS. 23 to 25, the air / water supply side connecting member 20 is further provided on the outer peripheral portion of the pair of support members 26 </ b> A and 26 </ b> B embedded in the tubular portion 22 and the tubular portion 23. Two sealing members 27 and 28 are provided. The support members 26A and 26B support the switching member 25 so as to be movable in the fourth direction D4, and are provided so that a part thereof protrudes from the inner wall of the accommodating portion 22c. The support members 26A and 26B are disposed at the same position in the fourth direction D4. For example, ball plungers are used as the support members 26A and 26B.

  As shown in FIG. 24, the sealing member 27 is disposed between the water supply pipe liquid supply ports 23a1, 23a2 and the balloon water supply pipe liquid supply ports 23b1, 23b2. The sealing member 28 is disposed between the balloon water supply line liquid supply ports 23b1 and 23b2 and the air supply line liquid supply ports 23c1 and 23c2. As a material of the sealing members 27 and 28, for example, a resin is used.

  As shown in FIG. 26, the switching member 25 includes a base portion 25A, a support portion 25B, and a tubular portion 25C. A syringe or the like is attached to the base portion 25A in order to introduce a cleaning liquid or the like. The base portion 25A has a first end face 25Aa and a second end face 25Ab located at both ends in the fourth direction D4. The support portion 25B is connected to the second end surface 25Ab of the base portion 25A. The tubular portion 25C is connected to the end of the support portion 25B opposite to the base portion 25A.

  In a state where the switching member 25 is inserted into the connection member main body 21, at least a part of the support portion 25 </ b> B is accommodated in the accommodation portion 22 c of the cylindrical portion 22 of the connection member main body 21. In the present embodiment, the support portion 25B has a so-called D-cut shape, and a cross-sectional shape perpendicular to the fourth direction D4 is a D-shape. As shown in FIG. 26, the support portion 25B has a flat surface portion 25Ba and a curved surface portion 25Bb. The flat surface portion 25Ba and the curved surface portion 25Bb have shapes corresponding to the flat surface portion 22c1 and the curved surface portion 22c2 of the inner wall of the accommodating portion 22c, respectively.

  The support portion 25B includes three support grooves 25Bc1, 25Bc2, and 25Bc3 that are formed at different positions in the fourth direction D4. The support grooves 25Bc1 to 25Bc3 are arranged in this order from the base portion 25A side. The support grooves 25Bc1 to 25Bc3 are each formed in a direction around the axis of the switching member 25. The cross-sectional shape of the support grooves 25Bc1 to 25Bc3 is, for example, a V shape.

  When the switching member 25 is moved in the fourth direction D4, the support members 26A and 26B are selectively fitted into the support grooves 25Bc1 to 25Bc3. Thereby, the position of the switching member 25 in the fourth direction D4 can be held at a position corresponding to the support grooves 25Bc1 to 25Bc3.

  In a state in which the switching member 25 is inserted into the connection member main body 21, at least a part of the tubular portion 25 </ b> C is accommodated in the conduit 23 d of the tubular portion 23 of the connection member main body 21. In the present embodiment, the tubular portion 25C has a cylindrical shape extending in the fourth direction D4.

  As shown in FIG. 26, the switching member 25 further includes an introduction port 25a, a pair of liquid supply ports 25b1 and 25b2, and a conduit 25c. The introduction port 25a is provided on the first end surface 25Aa of the base portion 25A. The liquid feeding ports 25b1 and 25b2 are provided on the outer peripheral portion of the tubular portion 25C. The liquid feeding port 25b1 is disposed in the vicinity of the end of the tubular portion 25C opposite to the support portion 25B. The liquid feeding port 25b2 is disposed at the same position as the liquid feeding port 25b2 in the fourth direction D4. The pipe line 25c communicates with the introduction port 25a and the liquid feeding ports 25b1 and 25b2.

(Operation and effect of suction side connecting member)
Next, with reference to FIG. 27 thru | or FIG. 29, the effect | action and effect of the suction side connection member 10 are demonstrated. 27 to 29 show a state in which the cleaning adapter 1 is attached to the operation unit 130 of the endoscope 100. FIG. 27 to 29, for the sake of convenience, the shape and arrangement of some of the constituent elements of the suction side connection member 10 are depicted in a different form from the actual one. 27 to 29, the components of the cleaning adapter 1 other than the suction side connection member 10 are omitted.

  As shown in FIGS. 27 and 28, in a state where the cleaning adapter 1 is attached to the operation unit 130 of the endoscope 100, the first suction conduit liquid supply port of the first tubular portion 13 of the connection member main body 11. 13 a communicates with the treatment instrument insertion channel 118, and the second suction conduit liquid supply port 13 b of the first tubular portion 13 of the connection member main body 11 communicates with the suction conduit 163. As shown in FIG. 29, in this state, the balloon suction conduit liquid supply port 14 a of the second tubular portion 14 of the connection member main body 11 communicates with the balloon suction conduit 164.

  27 to 29, the switching member 15 is moved in the third direction D3, and the support members 16A and 16B are selectively fitted into the support grooves 15Bc1 to 15Bc3 of the support portion 15B of the switch member 15. Shows the state. FIG. 27 shows a state in which the support members 16A and 16B are fitted in the support groove 15Bc1. FIG. 28 shows a state in which the support members 16A and 16B are fitted in the support groove 15Bc2. FIG. 29 shows a state in which the support members 16A and 16B are fitted in the support groove 15Bc3.

  In the state shown in FIG. 27, the portion including the suction pipe liquid supply port 15b in the tubular portion 15C of the switching member 15 protrudes from the first suction pipe liquid supply port 13a. Thereby, a flow path connecting the introduction port 15a of the switching member 15 and the treatment instrument insertion channel 118 is formed. As a result, it becomes possible to send the cleaning liquid or the like from the introduction port 15a to the treatment instrument insertion channel 118. The sealing member 17 is used for forming the flow path.

  In the state shown in FIG. 28, the suction line liquid supply port 15b of the switching member 15 communicates with the second suction line liquid supply port 13b. As a result, a flow path connecting the inlet 15a of the switching member 15 and the suction pipe 163 is formed. As a result, it becomes possible to send the cleaning liquid or the like from the inlet 15a to the suction conduit 163. The sealing members 17 and 18 are used to form the flow path.

  In the state shown in FIGS. 27 and 28, the balloon suction conduit liquid supply port 15 c of the switching member 15 is blocked by the inner wall of the conduit 13 c of the first tubular portion 13.

  In the state shown in FIG. 29, the balloon suction conduit liquid supply port 15 c of the switching member 15 communicates with the conduit 14 b of the second tubular portion 14 of the connection member main body 11. As a result, a flow path connecting the introduction port 15a of the switching member 15 and the balloon suction conduit 164 is formed. As a result, it becomes possible to send the cleaning liquid or the like from the inlet 15a to the balloon suction conduit 164. The sealing member 19 is used to form the flow path. In the state shown in FIG. 29, the suction pipe liquid supply port 15 b of the switching member 15 is blocked by the inner wall of the pipe line 13 c of the first tubular portion 13.

  By the way, it is also conceivable to introduce the cleaning liquid from the opening of the suction cylinder 132 and send the cleaning liquid to a plurality of pipelines inside the endoscope 100 without using the suction side connecting member 10. In this case, since the cleaning liquid is simultaneously sent to the plurality of pipe lines, the cleaning liquid is dispersed, and the flow rate of the cleaning liquid flowing through each pipe line is reduced. In general, since the pipe diameters of the plurality of pipes are not the same, a difference occurs in the flow rate of the cleaning liquid flowing through each pipe. This also reduces the flow rate of the cleaning liquid flowing through the pipe in the pipe having a small pipe diameter. In order to sufficiently clean a pipeline having a small pipeline diameter, the number of cleaning operations must be increased, which increases the burden on the user. In particular, in an ultrasonic endoscope such as the endoscope 100 according to the present embodiment, the number of conduits is relatively large, and the above-described problem occurs remarkably.

  On the other hand, in the present embodiment, the cleaning liquid is fed from the treatment instrument insertion channel 118, the suction conduit 163, and the balloon suction conduit 164 by changing the position of the switching member 15 in the third direction D3. The pipeline to be played can be selected. As a result, according to the present embodiment, it is possible to supply a sufficient amount of cleaning liquid to each pipe line, and as a result, the number of cleaning operations can be reduced, thereby reducing the burden on the user. Can do.

(Operation and effect of the air / water supply connection member)
Next, with reference to FIG. 30 thru | or FIG. 32, the effect | action and effect of the air / water supply side connection member 20 are demonstrated. 30 to 32 show a state where the cleaning adapter 1 is attached to the operation unit 130 of the endoscope 100. FIG. 30 to 32, for convenience, the shape and arrangement of some of the components of the air / water supply side connecting member 20 are depicted in a manner different from the actual one. 30 to 32, the components of the cleaning adapter 1 other than the air / water supply side connecting member 20 are omitted.

  As shown in FIGS. 30 to 32, in the state where the cleaning adapter 1 is attached to the operation unit 130 of the endoscope 100, the water supply channel liquid supply ports 23 a 1 and 23 a 2 of the tubular portion 23 of the connection member main body 21 are not supplied. The water supply lines 167 and 168 communicate with each other, the balloon water supply lines 23b1 and 23b2 of the tubular part 23 communicate with the balloon water supply line 169, and the air supply lines and liquid supply ports 23c1 and 23c2 of the tubular part 23 communicate with each other. It communicates with the trachea 165,166.

  30 to 32, the switching member 25 is moved in the fourth direction D4, and the support members 26A and 26B are selectively fitted into the support grooves 25Bc1 to 25Bc3 of the support portion 25B of the switch member 25. Shows the state. FIG. 30 shows a state in which the support members 26A and 26B are fitted in the support groove 25Bc1. FIG. 31 shows a state in which the support members 26A and 26B are fitted in the support groove 25Bc2. FIG. 32 shows a state in which the support members 26A and 26B are fitted in the support groove 25Bc3.

  In the state shown in FIG. 30, the liquid supply ports 25b1 and 25b2 of the switching member 25 communicate with the water supply line liquid supply ports 23a1 and 23a2. Thereby, the flow path which connects the inlet 25a of the switching member 25 and the water supply pipe lines 167 and 168 is formed. As a result, it becomes possible to send the cleaning liquid or the like from the inlet 25a to the water supply pipes 167 and 168. The sealing member 27 is used to form the flow path.

  In the state shown in FIG. 31, the liquid supply ports 25b1 and 25b2 of the switching member 25 communicate with the balloon water supply channel liquid supply ports 23b1 and 23b2. Thereby, the flow path which connects the inlet 25a of the switching member 25 and the balloon water supply pipe line 169 is formed. Thereby, it becomes possible to send the cleaning liquid or the like from the inlet 25a to the balloon water supply pipe 169. The sealing members 27 and 28 are used for forming the flow path.

  In the state shown in FIG. 32, the liquid supply ports 25b1 and 25b2 of the switching member 25 communicate with the air supply line liquid supply ports 23c1 and 23c2. Thereby, the flow path which connects the inlet 25a of the switching member 25 and the air supply pipe lines 165 and 166 is formed. As a result, the cleaning liquid or the like can be supplied from the inlet 25a to the air supply conduits 165 and 166. The sealing member 28 is used for forming the flow path.

  By the way, without using the air / water supply side connection member 20, the cleaning liquid is introduced from the opening of the air / water supply cylinder 133, and the cleaning liquid is supplied to the plurality of pipelines inside the endoscope 100. It is also possible to do. In this case, a problem similar to the problem that occurs when the cleaning liquid is supplied to a plurality of ducts inside the endoscope 100 without using the suction side connecting member 10 occurs. On the other hand, in the present embodiment, by changing the position of the switching member 25 in the fourth direction D4, the set of the water supply pipes 167 and 168, the balloon water supply pipe 169, and the air supply pipes 165 and 166 are changed. A pipe line through which the cleaning liquid is fed can be selected from the set. As a result, according to the present embodiment, it is possible to supply a sufficient amount of cleaning liquid to each pipe line, and as a result, the number of cleaning operations can be reduced, thereby reducing the burden on the user. Can do.

  The present invention is not limited to the above-described embodiments, and various changes and modifications can be made without departing from the scope of the present invention.

DESCRIPTION OF SYMBOLS 1 ... Cleaning adapter, 10 ... Suction side connection member, 11 ... Connection member main body, 15 ... Switching member, 20 ... Air supply / water supply side connection member, 21 ... Connection member main body, 25 ... Switching member, 30 ... Connection plate, 40 DESCRIPTION OF SYMBOLS ... Fixing mechanism, 41 ... 1st fixing member, 42 ... 2nd fixing member, 50 ... Operation member, 51 ... Head part, 52 ... Columnar part, 53 ... Sliding part, 100 ... Endoscope, 130 ... Operation , 132... Suction cylinder, 133... Air / water supply cylinder, 138, 139.

Claims (11)

A suction-side connecting member connected to a suction cylinder provided in the operation portion of the endoscope;
An air / water supply side connecting member connected to an air / water supply cylinder provided in the operation section;
A fixing plate to which the suction side connection member and the air / water supply side connection member are fixed;
The suction cylinder and the air supply are movably attached to the fixed plate so that the relative position with respect to the fixed plate changes in the first direction, and close to each other in the first direction. A fixing mechanism including a first fixing member and a second fixing member engaged with a flange portion provided in the water supply cylinder;
An endoscope cleaning adapter comprising: The first fixing member includes a plate-like first engaging portion engaged with the flange portion,
The second fixing member includes a plate-like second engaging portion engaged with the flange portion,
The endoscope cleaning adapter according to claim 1, wherein the first engaging portion and the second engaging portion are disposed so as to face each other. Each of the first and second engaging portions has a notch portion facing each other and having a shape corresponding to the flange portion,
The endoscope cleaning adapter according to claim 2, wherein the notch is in contact with the flange when the first and second engaging portions engage with the flange. . The first fixing member further includes a third engaging portion that is engaged with the fixing plate, and a first connecting portion that connects the first engaging portion and the third engaging portion. Including
The second fixing member further includes a fourth engaging portion that is engaged with the fixing plate, and a second connecting portion that connects the second engaging portion and the fourth engaging portion. Including
The fixing plate is disposed between the first engagement portion and the third engagement portion, between the second engagement portion and the fourth engagement portion, and between the first connection portion and the first engagement portion. The endoscope cleaning adapter according to claim 3, which is located between the two connecting portions. The fixing plate has a first groove portion and a second groove portion having a shape along the first direction,
The first fixing member is further connected to the third engagement portion, protrudes from the third engagement portion toward the first engagement portion, and is inserted into the first groove portion. Including a first columnar section;
The second fixing member is further connected to the fourth engaging portion, protrudes from the fourth engaging portion toward the second engaging portion, and is inserted into the second groove portion. Including a second columnar portion,
The first columnar part is slidable in the first direction in the first groove part,
The endoscope cleaning adapter according to claim 4, wherein the second columnar part is slidable in the first direction in the second groove part. The suction side connection member and the air / water supply side connection member are arranged so as to be aligned along a second direction orthogonal to the first direction,
The shape of the cross section perpendicular to the second direction of the combined portion of the first engagement portion, the third engagement portion, and the first connection portion is a U-shape,
The shape of the cross section perpendicular to the second direction of the combined portion of the second engaging portion, the fourth engaging portion, and the second connecting portion is a U-shape. The endoscope cleaning adapter according to claim 4.   And an operation member that switches between a movable state in which the relative positions of the first and second fixing members can be changed and a fixed state in which the positions of the first and second fixing members are fixed. The endoscope cleaning adapter according to claim 1. The operation member is rotatably attached to the fixed plate, and switches between the movable state and the fixed state according to the rotated position.
When the first and second fixing members are in a position where they are engaged with the flange portion, the operation member can be rotated to a fixing position that is a position for realizing the fixing state. 8. The endoscope cleaning adapter according to claim 7, wherein when the second fixing member is in a position where it does not engage with the flange portion, the operation member does not rotate to the fixing position. The first fixing member further includes a first extending portion having a first notch and extending in the first direction,
The second fixing member further includes a second cutout portion, and includes a second extension portion extending in the first direction,
The operation member includes a columnar part disposed between the first extension part and the second extension part,
When the first and second notch parts are in positions where the first and second fixing members engage with the flange part, the first notch part and the second notch part are provided. A space in which the columnar part can be rotated is formed between the parts so that the operation member is rotated at the fixed position, but the first and second fixing members are not engaged with the flange part. The endoscope cleaning adapter according to claim 8, wherein the endoscope is disposed in a positional relationship in which the space is not formed when it is in a position.   The first and second fixing members are only in a state where the suction side connection member is connected to the suction cylinder and the air / water supply side connection member is connected to the air / water supply cylinder. The endoscope cleaning adapter according to claim 1, wherein the endoscope cleaning adapter is engaged with a flange portion. The fixing plate has a first surface and a second surface facing away from each other,
The suction side connection member and the air / water supply side connection member are arranged so as to be aligned along a second direction orthogonal to the first direction, and at least one of the first and second surfaces The endoscope cleaning adapter according to claim 1, wherein the endoscope cleaning adapter is fixed to the fixing plate so as to intersect with the endoscope.

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