WO2004100777A1 - 内視鏡システム - Google Patents
内視鏡システム Download PDFInfo
- Publication number
- WO2004100777A1 WO2004100777A1 PCT/JP2004/006318 JP2004006318W WO2004100777A1 WO 2004100777 A1 WO2004100777 A1 WO 2004100777A1 JP 2004006318 W JP2004006318 W JP 2004006318W WO 2004100777 A1 WO2004100777 A1 WO 2004100777A1
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- WO
- WIPO (PCT)
- Prior art keywords
- connector
- fluid
- endoscope system
- connection
- endoscope
- Prior art date
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/00112—Connection or coupling means
- A61B1/00121—Connectors, fasteners and adapters, e.g. on the endoscope handle
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/06—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor with illuminating arrangements
- A61B1/0661—Endoscope light sources
- A61B1/0669—Endoscope light sources at proximal end of an endoscope
Definitions
- the present invention relates to an endoscope system provided with an endoscope main body configured to allow observation of the inside of a subject.
- Background technology '
- endoscope systems are widely used.
- the endoscope system is used to observe organs inside the body cavity, etc. by inserting an elongated scissors into the body cavity, or using the treatment truth inserted into the treatment tool insertion channel as necessary. Therapeutic treatment is available.
- an endoscope system is used by connecting an endoscope main body to an external device such as a light source device or a control device.
- an external device such as a light source device or a control device.
- Such a conventional endoscope system is described, for example, in Japanese Patent Laid-Open Publication No. 10- 2 7 6 6 3 or Japanese Patent Laid-Open Publication No. 1- 2 5 3 3 9
- connection with an external device is made, for example, through a connector provided at an end of a universal cord or the like extending from the operation portion of the endoscope main body.
- the above-mentioned conventional endoscope system is configured, for example, as shown in FIG. 13 and FIG.
- a conventional endoscope system 200 is configured to include an endoscope main body 201.
- the endoscope main body 201 is composed of an insertion portion 202 and an operation portion 203.
- a universal cord 204 extends from the side of the operation unit 203.
- a connector 205 connected to the light source device 21 1 is provided at an end of the universal cord 24.
- an electrical cable 206 connected to the video processor 212 extends.
- the video processor 22 12 is connected to a keyboard 2 13 for inputting patient information and the like, and a monitor 2 14 for displaying an endoscopic image.
- the connector 205 includes a discharge tube 2 15 a of the suction device 2 15, a front water delivery tube 2 1 6 of the forward water delivery device 2 1 6, and a tank of the liquid delivery tank 2 1 7. Tubes such as tubes 2 1 7 a are to be connected.
- the ground cord 2 18 a of the high frequency cauterizing device 2 1 8 is connected to the connector 2 0 5.
- the light source device 21 1, the video processor 2 1 2, the motor 2 1 4, the suction device 2 1 5 and the like are disposed on the mount 2 1 9 together with the keyboard 2 1 3.
- the connector 2 0 5 is provided with a light guide base 2 2 1 and an air supply connector 2 2 2 in a protruding manner.
- the light guide metal 2 21 is connected to the light source device 2 1 1.
- the air supply connector 22 2 is connected to an air supply pump (not shown) provided in the light source device 21 1.
- the connector 205 is provided with an electrical connector 223 on the side via the electric cable 206.
- a video processor 2 1 2 is connected to the electrical connector 2 2 3.
- the connector 205 is provided with a suction connector 224, a forward water supply liquid feed connector 225, a liquid supply connector 226 and a pressure connector 227.
- the suction connector 214 is connected to the discharge tube 215 a of the suction unit 215.
- the forward water-feeding liquid feed connector 225 is connected to the forward water-feeding liquid lead tube 216a of the forward water-feeding device 216.
- a tank tube 2 1 7 a of a liquid sending tank 2 1 7 is connected to the liquid sending connector 2 26 and the pressure connector 2 2 7.
- Reference numeral 2 2 8 is a cap for plugging the forward water supply liquid supply connector 2 2 5 when not in use.
- Reference numeral 2 2 9 is an electrical contact that is connected to the light source device 2 1 1 and transmits a dimming signal and the like to the light source device.
- the connector 205 is provided with a ground cap 230 to which the ground cord 2 18 a of the high frequency cautery device 2 18 is connected.
- the conventional endoscope system 200 equipped with such an endoscope main body 201 needs to be cleaned and disinfected at each endoscopy. For this reason, the above-mentioned conventional endoscope system 200 is connected to the connector 2 0 5 of the endoscope main body 2 0 1 every examination. It was necessary to attach and remove the tools one by one, and the work efficiency was poor and complicated.
- a video processor and a light source device are connected by a connection cable as described in, for example, Japanese Patent Laid-Open Publication No. 200202-32412. It is done.
- an electrical contact portion is provided in a connector of the endoscope main body. Therefore, in the endoscope system described in the above-mentioned publication, the endoscope main body and the video processor can be connected via the light source device by connecting the connector of the endoscope main body to the light source device in a one-way connection. It has become.
- the endoscope system described in the above publication is not touched at all with regard to the connection of the earth cord and the tubes such as the air supply / water supply and the forward water supply.
- the light source device and the air supply pump are built in a video processor and integrated as described in Japanese Patent Laid-Open Publication No. 62-34525. Are configured.
- the electrical connector, the light guide connector and the air supply connector can be connected at one time. ing.
- the video processor and the light source device are connected to each other separately or separately. I am able to do it.
- the present invention was made in view of the above problems, and an object of the present invention is to provide an endoscope system having a good operability by enabling connection of a tube and cords to an endoscope main body with one action. . Disclosure of the invention
- the endoscope system of the present invention is An endoscope main body configured to be able to observe the inside of a subject;
- An external device having a light source for generating illumination light for illuminating a subject region of the subject
- a fluid device provided separately from the external device that supplies the fluid to be ejected from the endoscope body or sucks the fluid from the endoscope body;
- a connector provided on one end side of the endoscope main body for connecting the endoscope main body to the external device
- a light transmission unit provided in the endoscope main body for transmitting the light incident on the endoscope main body through the connector to the other end side of the endoscope main body;
- a connector receiver provided in the external device for connecting the endoscope main body to the external device by inserting the connector
- a light guiding unit for guiding illumination light from the light source to the connector receiver
- a light incident portion provided on one end side of the light transmitting portion optically connected to the light guiding portion according to the insertion operation of the connector into the connector receptacle;
- the fluid supplied from the fluid device or the fluid sucked into the fluid device in response to the insertion operation of the connector into the connector receptacle is provided at one end side of the fluid passage which can flow into the fluid passage.
- the fluid supplied from the fluidic device or the fluid sucked into the fluidic device is passed through the external device by being connected to the fluid passage opening according to the insertion operation of the connector into the connector receptacle.
- FIG. 1 is an entire configuration view showing an endoscope system according to an embodiment of the present invention
- FIG. 2 is an explanatory view showing a connection relationship of the light source device of FIG. 1 and a video processor
- Figure 4 is a circuit block diagram showing the internal configuration of the light source device and video processor of Figure 2;
- FIG. 5 is an enlarged perspective view showing the vicinity of a general connector receiving portion of the light source device of FIG. 2
- FIG. 6 is a perspective view showing the back side of the pipeline unit of FIG.
- FIG. 7 is a front view showing the vicinity of a general connector receiving portion of the light source device of FIG. 5;
- FIG. 8 is an explanatory view showing an inner configuration of the vicinity of a conduit unit attachment portion inside the light source device of FIG. 5 and the conduit set;
- FIG. 9 is a cross-sectional view of the main parts showing the vicinity of the mounting and demounting mechanism of the light source device
- Fig. 10 is a longitudinal sectional view around the attaching / detaching mechanism of Fig. 9;
- Fig. 11 is an explanatory view showing the operation of the present embodiment.
- Fig. 12 is an explanatory diagram of the vicinity of the air / liquid control valve
- Figure 13 is an overall block diagram showing a conventional endoscope system
- FIG. 14 is an external perspective view showing a connector of the endoscope main body of FIG. 13; BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 to 12 show an embodiment of an endoscope system according to the present invention.
- an endoscope system 1 includes an endoscope main body 2 configured to be able to observe the inside of a subject, and illumination light as an external device of the endoscope main body 2. It comprises a light source device 3 to be supplied, and a video processor 4 that performs signal processing on an output signal output from the imaging unit of the endoscope main body 2 and outputs a video signal.
- the video processor 4 is connected to a monitor 5.
- the video processor 4 outputs a video signal to the monitor 5 to display an endoscopic image.
- a keyboard 6 for inputting patient information and the like is connected to the video processor 4.
- the endoscope main body 2 is provided with an elongated insertion portion 11 to be inserted into a body cavity and the like, and an operation portion 12 which is continuously provided on the proximal end side of the insertion portion 11 and which also serves as a grip portion. There is. Further, the endoscope body 2 is provided with a flexible universal cord 13 extending from the side of the operation unit 12. The universal cord 13 interpolates a light guide / signal cable as a light transmission unit and a tube or cable constituting a fluid passage described later.
- the wedged portion 11 has a hard tip portion 14 provided at the tip thereof, a bendable bending portion 15 provided at the rear end of the tip portion 14, and a rear portion of the bending portion 15 And a flexible flexible tube portion 16 provided at the end.
- the bending portion 15 can be bent by a bending operation lever 17 provided on the operation portion 12.
- An objective optical system (not shown) is disposed behind the observation window 21.
- the imaging surface of the imaging unit in the case of an optical viewing mirror, the image incident end face of an image transmission optical system such as an image guide or relay lens) is disposed at the imaging position of this objective optical system. It is placed.
- the exit end face of the light guide is disposed behind the illumination window 23.
- an air / water supply operation button 26 and a suction operation button 27 are disposed in the operation unit 12.
- the air / water / water operation button 26 is an operation button for ejecting a fluid such as gas or liquid from the air / water / water nozzle 22.
- the suction operation button 27 is an operation button for selectively collecting mucus and the like in a body cavity from the distal end opening 24 of the treatment tool passing channel.
- the treatment tool passing channel is formed with a fluid passage by a tube or the like described later disposed in the insertion portion 11.
- the treatment tool insertion ffl channel is in communication with a treatment tool inlet 28 provided near the front end of the operation unit 12.
- a forceps plug (not shown) is detachably attached to the end of the treatment tool inlet 28.
- a general connector 29 connected to the light source device 3 is provided at the end of the universal cord 13.
- a general connector 29 is connected to the light source device 3.
- the light source device 3 includes a discharge tube 31a of the suction device 31a, a front liquid transfer tube 32a for the forward water supply device 32 and a tank tube 33a of the liquid transfer tank 33 and the like. Tubes are connected.
- the light source device 3, the video processor 4, the monitor 5, the suction device 31 and the like are disposed on the mount 35 together with the keyboard 6.
- the tubes 31 a to 33 a of the suction device 31 or the like described above are detachably connected to the front panel 3 a of the light source device 3.
- the front panel 3a of the light source device 3 is provided with a general connector receiver 40 to which the general connector .29 of the endoscope main body 2 is detachably connected.
- the general connector receptacle 40 is an electrical connector receptacle 4 1 and a light guide receptacle.
- an air supply connector receptacle 39 is provided below the light guide receptacle 42.
- the light source device 3 is usable by connecting the air supply connector 22 2 (see FIG. 14) provided in the connector of the conventional endoscope main body.
- the pipeline unit portion 43 is provided with a suction connector 4 4, a forward water supply liquid supply connector 45, a liquid supply connector 46 and a pressure connector 4 7.
- the suction connector 44 is connected to the discharge tube 31 a of the suction device 31.
- the forward water-feeding liquid supply connector 45 is connected to the forward water-feeding liquid-conduction tube 3 2 a of the front water-feeding device 32.
- the liquid delivery connector 46 and the pressurizing connector 4 7 are connected to a tank tube 3 3 a of the liquid delivery tank 33.
- the electrical connector receptacle 41 constitutes a second electrical connection.
- a fluid connector receiving section 48 is provided in the pipeline unit section 43. Further, the fluid connector receiver 48 is provided with a forward water-supplying liquid-feeding connector receiver, which will be described later, a suction connector receiver, a pressure connector receiver, and a liquid-feeding connector receiver.
- the pipeline unit portion 43 has a configuration in which a pipeline unit to be described later can be detached from the pipeline unit attachment unit. Further, on the front panel 3 a of the light source device 3, there is provided a ground cap 4 9 to which an earth code 3 4 a of the high frequency ablation device 3 4 is connected.
- the high-frequency cautery unit 34 is connected to an electric knife or a high-frequency probe (not shown) so that high-frequency treatment can be performed on the affected part of the subject.
- the light source device 3 and the video processor 4 are connected by an electric cable 50 a extending to the back.
- the light source device 3 and the video processor 4 are provided with electrical connectors 50 b and 50 c.
- the light source device 3 and the video processor 4 can be connected to the connector 2 0 5 provided on the connector 2 0 5 of the conventional endoscope main body 2 0 1 shown in FIGS. Connected via 0 6 and enabled.
- the general connector 29 is provided with an electrical connector 51, a light guide connector 52, and a fluid connector 53.
- the electrical connector 51 is connected to the electrical connector receptacle 4 1 of the general connector receptacle 40.
- the light guide connector 52 is connected to the light guide receiving portion 42 of the general connector receiving portion 40.
- the fluid connector 53 is connected to the fluid connector receiver 48 of the general connector receiver 40.
- the electrical connector 51 constitutes a first electrical joint
- the light guide connector 52 constitutes a light incident part
- the fluid connector 53 constitutes a fluid passage opening.
- the fluid connector 53 is provided with a forward water supply liquid supply connector 54, a suction connector 55, a pressure connector 56, and a liquid supply connector 57.
- the endoscope main body 2 forms a fluid passage by tubes which communicate with the general connector receptacle 40.
- a front water supply liquid supply tube 61 is connected to the front water supply liquid supply connector 54.
- a suction tube 62 is connected to the suction connector 55.
- An air supply tube 63 is connected to the pressure connector 56.
- a fluid delivery tube 64 is connected to the fluid delivery connector 57.
- the forward water supply liquid feed tube 61, the suction tube 62, the air supply tube 63, and the liquid feed tube 64 are all guided into the operation unit 12 through the unixer recorder record 13. ing.
- a suction control valve 65 is interposed in the middle of the suction tube 62, and in the middle of the air feeding tube 63 and the liquid feeding tube 64, a gas feeding control valve Six six are inserted.
- One end of the air feeding tube 63 and the end of the liquid feeding tube 64 are in the inside and the outside of the operation unit 12 through one air feeding and liquid feeding line branch portion 67. It joins with the air / liquid feed tube 68 that constitutes the pipeline.
- the air supply / liquid supply line branch portion 67 is formed in a Y-shape.
- the air / liquid feeding tube 68 is led to the tip end 14 through the inside of the insertion portion 11 and connected to the air / water feeding nozzle 22.
- the endoscope main body 2 can selectively perform air supply or liquid supply to one air supply / liquid transfer tube 68 through the air / liquid supply conduit branch portion 67. . Therefore, the endoscope main body 2 can spray a fluid such as water or air from the air supply / water supply nozzle 22 to the observation window 21 for cleaning.
- the distal end of the suction tube 62 is connected to an intermediate portion of the treatment instrument passing channel 70 via a substantially Y-shaped suction pipeline branch portion 69.
- the suction tube 62 and the distal end side portion of the treatment instrument insertion channel 70 form a suction pipeline.
- the proximal portion of the treatment tool passing channel 70 which does not form the suction pipeline forms a treatment tool insertion port 28.
- a suction control valve 65 having a suction operation button 27 is interposed in the middle of the suction tube 62.
- the suction control valve 65 normally shuts off the suction action by closing the suction tube 62.
- the suction operation button 2 7 is pressed, the suction tube 62 is opened by the operation of the suction control valve 65 of the endoscope main body 2, and the suction action through the suction tube 62 is a channel for treatment tool penetration. It works on 7 0.
- the endoscope body 2 can suction and collect mucus and the like in the body cavity from the distal end opening 22 of the suction channel.
- the suction control valve 65 closes the suction tube 62 and shuts off the suction action on the treatment instrument passing channel 70, the load is reduced outside the suction pump. It is configured to be able to suction air.
- the front water supply liquid transfer tube 61 is formed by one up to the front water supply opening 25.
- the forward water feed water feed tube 61 is designed to forward water forward from the forward water feed opening 25 to the test site from the sterile water supplied by the operation of the forward water feed device 32.
- reference numeral 71 denotes an imaging unit.
- the signal cable 7 1 a extending from the imaging unit 7 1 is connected to the electrical connector 5 1 (see FIG. 2) of the general connector 2 9.
- the endoscope main body 2 By connecting the general connector 2 9 of the endoscope main body 2 to the general connector receiver 40 of the light source device 3, the endoscope main body 2 is connected to the video processor 4 via the light source device 3, the suction device 3 1, It is connected to the ground of the forward water supply system 32 and the high frequency cauterization system 34.
- the light source device 3 is provided with a light source lamp 72 for generating illumination light for illuminating a test site of a subject.
- the illumination light generated by the light source lamp 72 is a condensing lens as a light guiding portion
- the light is condensed and incident on the light incident end of a light guide (not shown) in the light guide connector 52 in 7 3 and guided to the light emitting end.
- the illumination light transmitted from the light guide illuminates a test site such as a diseased part from the illumination window 23 of the insertion portion 14 through the illumination optical system (not shown). Reflected light from the test site illuminated by the illumination light is taken into the endoscope main body 2 as a subject image through the objective optical system from the observation window 21 of the insertion portion tip 14.
- the light source device 3 is configured to have a drive circuit 74 A.
- the drive circuit 7 4 A is configured to drive the imaging unit 7 1 of the endoscope main body 2.
- the imaging unit 7 1 is controlled and driven by a drive circuit 7 4 A of the light source device 3.
- the video processor 4 is configured to have a drive circuit 7 4 B similar to the light source device 3 so that the conventional endoscope main body can be connected and used.
- the drive signal is transmitted to the signal cable 7 1 a through the electrical connector 5 1 of the general connector 2 9 to drive the imaging unit 7 1.
- An object image taken into the endoscope main body 2 is picked up by the imaging unit 71, photoelectrically converted, and converted into an imaging signal.
- This imaging signal is transmitted from the imaging unit 71 to the signal cable 71a.
- the imaging signal transmitted through the signal cable 7 1 a is output from the electrical connector 5 1 of the universal cord 1 3 to the drive circuit 7 4 A of the light source device 3 through the electrical connector receiver 41.
- the imaging signal is output from the drive circuit 7 4 A of the light source device 3 to the signal processing circuit 75 of the video processor 4.
- the signal processing circuit 75 processes the imaging signal to generate a standard video signal.
- the signal processing circuit 75 outputs the generated video signal to the monitor 5 and causes the monitor 5 to display an endoscopic image.
- the light source device 3 and the video processor 4 are provided with isolation circuits 7 6 (indicated by “F” in the figure) in the drive circuits 7 4 A and 7 4 B, respectively.
- These isolation circuits 76 are composed of isolation elements (not shown) such as photocouplers, capacitors, and transformers.
- the drive circuits 7 4 A and 7 4 B are patient circuits connected to the imaging unit 7 1 in the endoscope main body 2. These drive circuits 7 4 A and 7 4 B are isolated by the isolation circuit 7 6 to provide electrical isolation to the signal processing circuit 7 5 and other circuits in the apparatus, It is configured to transmit electrical signals while maintaining leakage current.
- the light source device 3 and the video processor 4 are each configured to have a power supply circuit 7 7 connected to a commercial power supply.
- An isolation circuit 76 is provided in the power supply circuit 77 as well as the drive circuits 7 4 A and 7 4 B.
- the power supply circuit 7 is configured to be able to transmit power to each part while maintaining the electrical insulation with the commercial power supply with a predetermined withstand voltage and leakage current.
- the light source device 3 includes an air supply pump 78, an air supply pulp 79 disposed on the lower side of the air supply pump 78, and a control for controlling switching (opening and closing) of the air supply valve 79. It is configured to have a control circuit 80.
- the air supply gas from the air supply pump 78 is switched by the air supply valve 7 9 and the air supply connector receiver 3 9 or the pipe line unit 4 3 To be supplied to
- a pipe line lock release knob 81 is provided on the front panel 3a.
- the pipeline joint unit 43 can be detached from the pipeline joint attachment unit 4 3 B by operating the pipeline union lock release knob 81. It is configured.
- Reference numeral 82 denotes a power switch of the light source device 3. Further, reference numeral 8 2 a is a power supply operation state display unit formed of LED (Light Emitting Diode) or the like.
- the power supply operating state display unit 8 2a is turned on to notify the operator.
- the suction connector 4 4 As described above, in the pipeline unit 4 3 A, the suction connector 4 4, the forward liquid-feeding liquid connector 45, the liquid-feeding connector 4 6 and the pressure connector 4 7, and the fluid A connector receiver 48 is provided.
- a cap 45 a for plugging when not in use is attached to the forward water-feeding liquid feed connector 45.
- the fluid connector 5 3 of the general connector 2 9 is connected to the fluid connector receiver 4 8.
- the fluid connector receiver 48 is provided with a forward water supply fluid connector receiver 84, a suction connector receiver 85, a pressure connector receiver 86, and a fluid connector receiver 87. It is done.
- the forward water supply liquid transfer connector 54 of the fluid connector 53 is connected to the forward water supply liquid connector receiving unit 84.
- the suction connector 55 of the fluid connector 5 3 is connected to the suction connector receiving portion 85.
- the pressure connector 56 of the fluid connector 5 3 is connected to the pressure connector receiver 86.
- the liquid sending connector 5 7 of the fluid connector 5 3 is connected to the liquid sending connector receiver 87.
- a locking claw 88 is provided on the back side of the conduit unit 43A.
- the pipeline unit 4 3 A is detachably attached to the pipeline fitting portion 4 3 B.
- an air supply input connector 8 9 is provided on the rear side of the pipeline 4 3 A.
- the air supply input connector 89 is adapted to input an air supply gas supplied from the air supply pump 78 via the air supply valve 79.
- the conduit unit mounting portion 43 B is formed with a locking claw hole through hole 91.
- the conduit unit mounting portion 43 B is provided therein with an attaching / detaching mechanism described later.
- the latching pawl 8 8 is inserted through the latching pawl insertion hole 91 and the pipeline union 4 3 A is detachably latched by the attaching / detaching mechanism. .
- conduit unit mounting portion 43 B is provided with a fitting portion 92 for positioning when the conduit unit 4 3 A is attached. Further, the conduit unit mounting portion 43 B is provided with an air supply input connector receiving portion 93 to which the air supply input connector 8 9 of the conduit unit 4 3 A is connected.
- the air supply input connector receiving part 93 is held at its tip end inside the apparatus by the air supply input connector receiving and holding part 94.
- the air supply input connector receiving portion 93 is held at its rear end side by an air supply input connector holding plate 95.
- the air supply input connector holding plate 95 is screwed and fixed to the air supply input connector holding and holding portion 94.
- a device-side first air supply tube 96 a extending from the air supply valve 79 is connected to the rear end side of the air supply input connector receiving portion 93.
- the air supply input connector receiver 93 is supplied with the air supply gas from the air supply pump 78.
- the device-side second air supply tube 96 b extending from the air supply valve 79 is connected to the air connection connector receiving portion 3 9 (see FIG. 7).
- the apparatus side second air supply tube 96 b is adapted to be supplied with the air supply gas from the air supply pump 78.
- an in-air air supply tube 101 is connected to the tip end of the air supply input connector 89.
- the inner air supply tube 101 is branched into a pressure connector 4 7 and a pressure connector receiver 8 6 of a fluid connector receiver 4 8 through an air supply / pressure branch 12 2.
- the air supply / pressure branch portion 102 is formed in a T-shape.
- the suction connector 4 4 and the suction connector receiving portion 85 of the fluid connector receiving portion 4 8 are the suction tubes in the unit. It is linked by group 103.
- the self suction connector 44 is connected to the discharge tube 31 a of the suction device 31 as described above.
- the suction connector receiving portion 85 is connected to the suction connector 55 of the general connector 29 as described above.
- the forward fluid delivery connector 45 for the forward fluid delivery and the forward fluid delivery connector receiver 84 for the forward direction of the fluid connector receiving portion 8 are the forward forward fluid delivery within the unit. It is connected by a liquid transfer tube 104.
- the front water delivery liquid delivery connector 32 of the front water delivery device 32 is connected to the front water delivery liquid delivery connector 45. Further, as described above, the front water supply liquid connector 54 of the general connector 29 is connected to the front water supply connector receiving part 84.
- the liquid sending connector 4 6 and the liquid sending connector receiving portion 8 7 are connected by the inner liquid sending tube 105.
- the liquid delivery connector 46 is connected to the tank tube 3 3 a of the liquid delivery tank 33.
- the liquid sending connector receiving portion 87 is connected to the liquid sending connector 57 of the general connector 29 as described above.
- the pipe line 43 A does not pass the liquid as the fluid through the tubes 1303 to 105 in the tube, and the inside of the light source device does not pass.
- the communication between the endoscope body 2 and each device such as the suction device 31 or the like is possible by the communication.
- the tubes 3 1 a to 3 3 a of the suction device 31 and the like and the tubes 10 3 to 10 5 in the conduit 4 3 A constitute a fluid supply conduit. There is.
- Tubes in the pipeline in the pipeline unit 4 3 A 1 0 3 to 1 0 5 are the first connection pipeline.
- the tubes 3 1 a to 3 3 a of the suction device 31 and the like are second connection pipelines.
- the fluid connector receiving portion 48 of the conduit unit portion 43 constitutes a first opening.
- the front water supply liquid supply connector 45, the liquid supply connector 46 and the pressure connector 47 constitute a second opening.
- the pipeline unit mounting portion 4 3 B and the pipeline unit 4 3 A are connected to the air supply input connection. Connection of only Kuta 8 9 is sufficient. That is, the pipeline unit mounting portion 4 3 B and the pipeline unit 4
- A means that only gas system can be connected as fluid.
- the conduit unit mounting portion 43 B can improve the cleaning and sterilization / disinfectability of the liquid conduit.
- the attaching / detaching mechanism is configured by providing a pipe seat locking piece 11 1 that can move in the left and right direction on the back side of the pipe channel fitting portion 4 3 B. ing.
- reference numeral 3 b denotes an exterior member of the light source device 3.
- a locking claw holding hole 1 13 is formed in the channel unit locking piece 1 1 1.
- the locking claw 8 of the conduit 4 3 A which is inserted through the locking claw through hole 9 1 of the conduit fitting portion 4 3 B, is locked to the locking claw holding hole 1 1 3. It is supposed to be.
- the conduit lock releasing knob 81 is inserted into the knob hole 81a so as to be movable in the left and right direction, and is projected from the front panel 3a and exposed.
- the conduit lock release knob 8 1 has a proximal end screwed and fixed to the conduit lock 1 1 1.
- One end of the tension coil panel 112 is connected to the pipe joint lock piece 111 and the other end is connected and fixed to the spring fixing member 114.
- the tension coil spring 1 12 is normally composed of the hooking hole 9 1 of the pipe unit mounting portion 4 3 B and the hooking hole 1 1 3 of the pipe unit hooking piece 11 1.
- the attaching / detaching mechanism is piled by the biasing force of the tension coil panel 12 in FIG. 9 and the pipe unit is unlocked by moving the pipe unit lock release knob 81 in the left direction.
- the attaching / detaching mechanism can take the pipeline unit 4 3 A detachably from the pipeline unit mounting portion 4 3 B by operating the pipeline unit lock release knob 81. It is possible to remove.
- the endoscope main body 2 is connected to the light source device 3 as described in FIG. 1, and the video processor 4, the suction device 3 1,
- the forward water supply device 32, the liquid feed tongue 33, and the high frequency cautery device 34 are connected and used for endoscopic examination and the like.
- the operator connects the tube / cords of the suction device 31, etc. to the front panel 3a of the light source device 3.
- the operator connects the tubes 31 a to 33 a of the suction device 31 and the like to the conduit unit 43 of the general connector receiving unit 40 described in FIG. 2.
- the operator connects the discharge tube 3 1 a of the suction device 3 1 to the suction connector 4 4, and connects the front water delivery tube 3 2 a of the front water delivery device 3 2 to the forward water delivery fluid delivery connector 4 5.
- the pressurizing connector 4 7 is connected to the pressurizing tube 3 3 aa of the tank tube 3 3 a, and the liquid feeding connector 4 6 is connected to the liquid introducing tube 3 3 ab of the tank tube 3 3 a (see FIG. 1 See 1). Furthermore, the operator connects the ground cord 34a of the high-frequency cautery unit 34 to the ground cap 49 when applying high-frequency treatment to the affected area using an electric sensor or the like.
- the operator connects the endoscope main body 2 to the light source device 3.
- the operator connects the integrated connector 2 9 of the endoscope main body 2 to the integrated connector receiving portion 4 3 of the light source device 3 by means of a connection.
- the general connector 2 9 of the endoscope main body 2 is connected to the general connector receptacle 4 3 of the light source device 3
- the electrical connector 5 1 is connected to the electrical connector receptacle 4 1
- the light guide connector 5 2 is a light
- the fluid connector 5 3 is connected to the guide receiver 4 2, and is connected to the fluid connector receiver 4 8.
- the front water delivery liquid delivery connector 5 4 is connected to the front water delivery liquid delivery connector receptacle 8 4, suction
- the connector 5 5 is connected to the suction connector receptacle 85
- the pressure connector 5 6 is connected to the pressure connector receptacle 8 6
- the fluid delivery connector 5 7 is connected to the fluid delivery receptacle 8 7 .
- the operator inserts the insertion portion 11 of the endoscope main body 2 into the body cavity of the subject and observes the site to be examined.
- the observation window 21 of the distal end portion 14 of the insertion portion may be contaminated by the attachment of the body fluid, which may make endoscopic observation difficult.
- the operator depresses the air / water supply operation button 26 of the endoscope operation unit 12 so that a fluid such as gas or liquid is sprayed from the air / water supply nozzle 22 onto the surface of the observation window 21. Wash.
- the operator closes the air supply / water supply operation button 26 with a finger to supply air.
- the light source device 3 switches the air supply valve 79 so that the air supply gas from the air supply pump 78 is supplied to the conduit unit 43 under the control of the control circuit 80. Then, the air supply gas from the air supply valve 7 9 is transmitted to the air supply input connector 8 9 through the device side first air supply tube 9 6 a, and the pipe unit 4 from the air supply input connector 8 9. 3 Supply to A
- the air supply gas supplied to the pipeline unit 4 3 A is supplied to the pressure connector receiving unit 86 via the unit air supply tube 101 and the air supply / pressure branch unit 102.
- the operator does not depress the air / water / water operation button 26 only by closing the open end of the air / water / water operation button 26 shown in FIG. 12 with a finger. .
- the air supply control valve 66 closes the liquid supply tube 64 and opens the air supply tube 63. Therefore, the air-supplying gas supplied to the pipeline unit 4 3 A is not supplied to the pressure connector 4 7 but is supplied to the pressure connector receiver 86.
- the air-supplying gas is supplied from the pressurized connector receiver 86 of the fluid connector receiver 4 8 to the pressurized connector 56 of the fluid connector 53. That is, the air gas is supplied from the conduit unit 43 of the light source device 3 to the general connector 29 of the endoscope main body 2.
- the air-supplying gas supplied to the endoscope main body 2 passes through the air-supplying tube 63 as described in FIG. 3, and the air-feeding / liquid-feeding tube 6 8 through the air-feeding / liquid-feeding pipeline branch portion 6 7 And it is led to the air / water feed nozzle 22 of the insertion portion 14. Then, the air gas is sprayed from the opening of the air / water feed nozzle 22 toward the surface of the observation window 21 to blow away the deposit.
- the operator further flushes the surface of the observation window 21 with water.
- the operator depresses the air / water supply operation button 26.
- the air supply gas supplied to the pipeline unit 4 3 A is supplied to the pressure connector 4 7 via the in-unit air supply tube 1 0 1 and the air supply / pressurization branch portion 102. Ru.
- the air supply tube 63 in the endoscope main body 2 is closed and the liquid supply tube 64 is opened, that is, the air supply pipe
- the air / liquid feed control valve 66 is opened and closed so that the passage is closed and the liquid delivery line is opened, the air supply gas supplied to the pipe unit 4 3 A is pressurized connector receiver 8 6 Not supplied to the pressure connector 4 but supplied to the pressure connector 4 7.
- the air supply gas is supplied from the pressure connector 4 7 into the liquid delivery tank 3 3 through the pressurization tube 3 3 aa of the tank tube 3 3 a to pressurize the air portion in this tank, Pressurize the liquid level accumulated in the tank.
- the pressurized liquid is supplied to the conduit portion 43 of the light source device 3 through the liquid introduction tube 33 ab of the tank tube 33 a.
- the liquid from the liquid feed tank 33 is introduced from the liquid feed connector 4 6 of the fluid connector receiving section 4 8 into the pipe line union 4 3 A, and the liquid feed connector through the intra-unit liquid feed tube 105 It is led to the receiver 8 7.
- the liquid is supplied from the liquid sending connector receiving portion 8 7 of the fluid connector receiving portion 4 8 to the liquid sending connector 5 7 of the fluid connector 5 3. That is, sterile water is supplied from the conduit unit 43 of the light source device 3 to the general connector 29 of the endoscope main body 2.
- the liquid supplied to the endoscope main body 2 passes through the liquid feeding tube 64 as described in FIG. 3 and is sent to the air feeding / liquid feeding tube 6 via the air feeding / liquid feeding pipe branch portion 6 7. It joins 8 and is led to the air / water feed nozzle 22 of the insertion part 14 of the insertion part.
- This liquid is jetted from the opening of the air / water supply nozzle 22 to the surface of the observation window 21 to clean the surface of the observation window 21.
- the operator further depresses the air / water supply operation button 26 to restore the endoscope system 1 to the original state.
- the operator removes the endoscope body 2 and cleans and disinfects. Since the endoscope main body 2 is connected only to the light source device 3, the operator can view the The endoscope main body 2 can be removed simply by removing the general connector 2 9 of the mirror main body 2 from the general connector receiving portion 40 of the light source device 3 with a single attachment.
- the tube 'cords 3 1 a to 3 4 a of the suction device 31 and the like do not need to be removed, and may be connected to the light source device 3. Then, the operator cleans and disinfects the endoscope body 2 and prepares for the next endoscopic examination.
- the tube cords 31 a to 34 a can be connected to the endoscope main body 2 by a one-way function to obtain an effect that the workability is good.
- the general connector 29 of the endoscope main body 2 is configured to be connected to the general connector receiver provided in the light source device 3 as an external device.
- a relay unit for connecting the light source device and the endoscope main body 2 may be provided as an external device, and the relay unit may be provided with a general connector receiver.
- the endoscope system according to the present invention is useful for observation in a body cavity, various treatment procedures, and the like for medical use. Further, according to the endoscope apparatus according to the present invention, pipes for various facilities other than those for medical use, tanks inside aircraft fuselages and wings, boilers, gas turbine engines, piping for chemical plants, etc. ⁇ automobile engines It is useful also when using it for the inspection etc. of a wound, corrosion, etc. inside bodies, etc. Cross-reference to related applications
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04730719A EP1623664A4 (en) | 2003-05-14 | 2004-04-30 | ENDOSCOPIC SYSTEM |
US11/268,349 US20060052663A1 (en) | 2003-05-14 | 2005-11-07 | Endoscope system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003136392A JP2004337311A (ja) | 2003-05-14 | 2003-05-14 | 内視鏡システム |
JP2003-136392 | 2003-05-14 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US11/268,349 Continuation US20060052663A1 (en) | 2003-05-14 | 2005-11-07 | Endoscope system |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004100777A1 true WO2004100777A1 (ja) | 2004-11-25 |
Family
ID=33447222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/006318 WO2004100777A1 (ja) | 2003-05-14 | 2004-04-30 | 内視鏡システム |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060052663A1 (ja) |
EP (1) | EP1623664A4 (ja) |
JP (1) | JP2004337311A (ja) |
CN (1) | CN1787774A (ja) |
WO (1) | WO2004100777A1 (ja) |
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- 2004-04-30 CN CN200480012904.0A patent/CN1787774A/zh active Pending
- 2004-04-30 WO PCT/JP2004/006318 patent/WO2004100777A1/ja active Application Filing
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Also Published As
Publication number | Publication date |
---|---|
EP1623664A4 (en) | 2009-05-06 |
EP1623664A1 (en) | 2006-02-08 |
CN1787774A (zh) | 2006-06-14 |
JP2004337311A (ja) | 2004-12-02 |
US20060052663A1 (en) | 2006-03-09 |
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