WO2021172285A1 - バルーン取付治具 - Google Patents
バルーン取付治具 Download PDFInfo
- Publication number
- WO2021172285A1 WO2021172285A1 PCT/JP2021/006661 JP2021006661W WO2021172285A1 WO 2021172285 A1 WO2021172285 A1 WO 2021172285A1 JP 2021006661 W JP2021006661 W JP 2021006661W WO 2021172285 A1 WO2021172285 A1 WO 2021172285A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- balloon
- pair
- mounting jig
- guide pieces
- opening
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/00071—Insertion part of the endoscope body
- A61B1/0008—Insertion part of the endoscope body characterised by distal tip features
- A61B1/00082—Balloons
-
- 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
- A61B1/00064—Constructional details of the endoscope body
- A61B1/0011—Manufacturing of endoscope parts
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B23/00—Telescopes, e.g. binoculars; Periscopes; Instruments for viewing the inside of hollow bodies; Viewfinders; Optical aiming or sighting devices
- G02B23/24—Instruments or systems for viewing the inside of hollow bodies, e.g. fibrescopes
Definitions
- the present invention relates to a balloon mounting jig, and more particularly to a balloon mounting jig for mounting a balloon on an insertion portion of an endoscope or an insertion assisting tool that serves as a guide when the insertion portion is inserted into a body cavity.
- balloons that expand and contract are used for various purposes.
- an inflatable balloon is attached to the insertion part of the endoscope, and the insertion part of the endoscope is expanded by inflating the balloon. It can be fixed in the body.
- Such a balloon is made of an elastic body such as rubber, and its end is naturally formed in a tubular shape having a diameter smaller than the outer diameter of the object to be attached (the insertion part of the endoscope). .. Then, when mounting the balloon, after covering the object to be mounted while expanding the diameter of the end of the balloon, the balloon is wound by winding a thread or fitting a rubber band from above the end of the balloon. The end of the is fixed to the object to be attached.
- Patent Document 1 describes a balloon mounting jig provided with first and second guide pieces inserted into cylinders provided at both ends of the balloon body.
- the endoscope is inserted into the cylinder portion of the balloon by inserting the insertion portion of the endoscope between the first guide piece and the second guide piece.
- the mounting jig described in Patent Document 1 grips the first guide piece and the second guide piece in a state where the cylinder portion of the balloon is covered on the first guide piece and the second guide piece, and is placed on the insertion portion. Since the balloon is being moved, there is a problem that the balloon is dragged by the frictional force between the insertion portion and the balloon, and wrinkles are likely to occur in the balloon. Further, there is a problem that it is difficult to move the first guide piece and the second guide piece due to the tension of the balloon. Further, there is a problem that the position of the balloon is likely to shift when the first guide piece and the second guide piece are pulled out from the balloon after moving the balloon to a predetermined position of the insertion portion.
- the present invention has been made in view of such circumstances, and an object of the present invention is to provide a balloon mounting jig capable of reducing the work load of mounting a balloon on an insertion portion of an endoscope.
- the balloon mounting jig is on the opposite side of the balloon body, the first cylinder portion provided at one end of the balloon body, and the balloon body of the first cylinder portion.
- a main body having a hollow tubular shape and a flat foldable shape having a first opening at one end and a second opening at the other end, and a first opening from the second opening are provided.
- It has a pair of guide pieces that extend toward the side opposite to the side and face each other, and an insertion portion or an outer peripheral surface of the insertion assisting tool is provided on the inner surface of the main body and the pair of guide pieces. It has a slidable sliding surface.
- the sliding surface is preferably a region where at least the insertion portion or the insertion assisting tool comes into contact with the main body portion and the pair of guide pieces.
- the sliding surface preferably covers the entire inner surface of the main body and the pair of guide pieces.
- the sliding surface preferably has a smaller coefficient of friction than the outer surface of the main body and the pair of guide pieces.
- the sliding surface is preferably a textured uneven surface.
- the sliding surface preferably has a coating layer made of a plastic material.
- the pair of guide pieces are provided on the outer surface on the outer surface of the guide piece on the second opening side and the outer surface on the tip side of the guide piece, and are rubbed from the high friction part. It is preferable to have a low friction portion having a small coefficient.
- the high friction portion preferably has a sheet having a smooth surface or a coating layer having adhesiveness.
- the pair of guide pieces have a narrow portion provided on the tip end side of the guide piece and a wide portion provided on the second opening side of the guide piece and wider than the narrow portion. It is preferable that the total length of the wide portions of each of the pair of guide pieces is equal to or less than the length of the outer circumference of the insertion portion or the insertion assisting tool.
- the balloon mounting jig is on the opposite side of the balloon body, the first cylinder portion provided at one end of the balloon body, and the balloon body of the first cylinder portion.
- a main body having a hollow tubular shape and a flat foldable shape having a first opening at one end and a second opening at the other end, and a first opening from the second opening are provided.
- It is provided so as to extend toward the side opposite to the side, and is provided on a pair of guide pieces facing each other and a pair of guide pieces. It has a wide portion wider than the narrow portion, and the total length of the wide portions of each of the pair of guide pieces is equal to or less than the length of the outer periphery of the insertion portion or the insertion assisting tool.
- the material of the main body and the pair of guide pieces is resin or paper.
- the balloon mounting jig of the present invention can be easily moved with respect to the insertion portion, the balloon mounting jig can be easily pulled out from the endoscope to which the balloon is mounted, and the balloon can be easily removed.
- the balloon mounting jig can be easily moved together with the balloon mounting jig.
- FIG. 1 is a system configuration diagram showing an example of an endoscope using a balloon attached by using the balloon attachment jig according to the present invention.
- the endoscope device mainly includes an endoscope 10, a balloon 60, and a balloon control device 70.
- the endoscope 10 includes an operation unit 14 and an insertion unit 12 that is connected to the operation unit 14 and is inserted into the body.
- a universal cord 16 is connected to the operation unit 14, and an LG connector 18 is provided at the tip of the universal cord 16.
- the LG connector 18 is detachably connected to the light source device 20, whereby illumination light is sent to an illumination window (not shown) provided at the tip of the insertion portion 12.
- an electric connector 24 is connected to the LG connector 18 via a cable 22, and the electric connector 24 is detachably connected to the processor 26.
- the operation unit 14 is provided with an air supply / water supply button 28, a suction button 30, a shutter button 32, and a function switching button 34 in parallel, and a pair of angle knobs 36, 36.
- the insertion portion 12 is composed of a flexible portion 40, a curved portion 42, and a tip portion 44 in this order from the operation portion 14 side.
- the flexible portion 40 is formed by covering the outer circumference of a spirally wound metal plate with a net and covering the outer circumference thereof, and has sufficient flexibility.
- the curved portion 42 is configured to be remotely curved by rotating the angle knobs 36, 36 of the operating portion 14.
- a plurality of cylindrical knot rings are rotatably connected by pins, and a plurality of operation wires are inserted into the knot rings to guide them to the pins. Then, by pushing and pulling the operation wire, the nodal rings rotate with each other and the bending portion 42 is bent. By bending the curved portion 42, the tip portion 44 can be directed in a desired direction.
- an observation window 52 As shown in FIG. 2, an observation window 52, illumination windows 54, 54, an air supply / water supply nozzle 56, and a forceps opening 58 are provided on the tip surface of the tip end portion 44. Behind the observation window 52, an observation optical system and an image sensor such as a CMOS (Complementary Metal Oxide Semiconductor) or a CCD (Charge Coupled Device) are arranged, and a signal cable is connected to a substrate supporting the image sensor. The signal cable is inserted through the insertion unit 12, the operation unit 14, the universal cord 16, and the like, extends to the electric connector 24, and is connected to the processor 26.
- CMOS Complementary Metal Oxide Semiconductor
- CCD Charge Coupled Device
- the observation image captured by the observation window 52 is imaged on the light receiving surface of the image sensor and converted into an electric signal, and this electric signal is output to the processor 26 via the signal cable and converted into a video signal. As a result, the observation image is displayed on the monitor 50 connected to the processor 26.
- the illumination window 54 is provided with an illumination optical system and an exit end of a light guide (not shown) behind the illumination window 54.
- the light guide is inserted through the insertion unit 12, the operation unit 14, and the universal cord 16, and the incident end thereof is arranged in the LG connector 18. Therefore, by connecting the LG connector 18 to the light source device 20, the illumination light emitted from the light source device 20 is transmitted to the illumination optical system via the light guide and is emitted forward from the illumination window 54.
- the air supply / water supply nozzle 56 provided at the tip portion 44 communicates with a valve (not shown) operated by the air supply / water supply button 28.
- This valve communicates with the air supply / water supply connector 48 provided on the LG connector 18.
- An air supply / water supply means (not shown) is connected to the air supply / water supply connector 48 to supply air and water. Therefore, by operating the air supply / water supply button 28, air or water is ejected from the air supply / water supply nozzle 56 toward the observation window 52.
- the forceps opening 58 provided at the tip portion 44 communicates with the forceps insertion portion 46. Therefore, the treatment tool can be derived from the forceps opening 58 by inserting a treatment tool such as a forceps from the forceps insertion portion 46. Further, the forceps port 58 is communicated with a valve (not shown) operated by the suction button 30, and this valve is connected to the suction connector 49 of the LG connector 18. Therefore, by connecting a suction means (not shown) to the suction connector 49 and operating the suction button 30, the lesion portion or the like can be sucked from the forceps opening 58.
- a balloon 60 is detachably attached to the outer circumference of the insertion portion 12 of the endoscope 10.
- the balloon 60 is made of an elastic material such as silicone rubber.
- the balloon 60 includes a first cylinder portion 60A provided at one end, a second cylinder portion 60B provided at the other end, and a balloon body 60C provided between the first cylinder portion 60A and the second cylinder portion 60B.
- the first tubular portion 60A and the second tubular portion 60B are formed in a substantially tubular shape narrowed with respect to the balloon body 60C.
- the balloon 60 is arranged at a predetermined mounting position (for example, from the tip portion 44 to the curved portion 42) by inserting the insertion portion 12.
- the first cylinder portion 60A and the second cylinder portion 60B are composed of an inner diameter smaller than the outer diameter of the insertion portion 12 of the endoscope 10.
- the elastic force of the first tubular portion 60A and the elastic force of the second tubular portion 60B act inward in the radial direction of the insertion portion 12. Due to the elastic force, the balloon 60 is held in a predetermined position of the insertion portion 12.
- a rubber band which is a tubular first balloon fixing member 61, is fitted on the outer circumference of the first tubular portion 60A, and a rubber band, which is a tubular second balloon fixing member 62, is fitted on the outer circumference of the second tubular portion 60B. Is fitted.
- the balloon 60 is fixed to the insertion portion 12 by the first balloon fixing member 61 and the second balloon fixing member 62.
- the balloon 60 is mounted using the balloon mounting jig of the present invention. The balloon mounting jig will be described later.
- a ventilation hole 64 is formed at the balloon mounting position of the insertion portion 12, and the ventilation hole 64 communicates with the balloon air supply port 38 of the operation portion 14 shown in FIG.
- the tube 80 of FIG. 1 is connected to the balloon air supply port 38, and the balloon control device 70 is connected via the tube 80.
- the balloon control device 70 is a device that supplies and sucks a fluid such as air to the balloon 60, and supplies and sucks air to the balloon 60 by supplying and sucking a fluid (for example, air) from the balloon control device 70. can do.
- the balloon 60 expands substantially spherically by supplying air, and sticks to the outer surface of the insertion portion 12 by sucking air.
- the balloon control device 70 is mainly composed of a device main body 72 and a hand switch 74 for remote control.
- a power switch SW1, a stop switch SW2, and a pressure display unit 76 are provided on the front surface of the apparatus main body 72.
- the pressure display unit 76 is a panel that displays the pressure value of the balloon 60, and when an abnormality such as a balloon rupture occurs, an error code is displayed on the pressure display unit 76.
- a tube 80 for supplying and sucking air to the balloon 60 is connected to the front surface of the device main body 72.
- a backflow prevention unit 82 for preventing backflow of body fluid when the balloon 60 is torn is provided at a connection portion between the tube 80 and the device main body 72.
- the backflow prevention unit 82 is configured by incorporating a gas-liquid separation filter inside a hollow disk-shaped case (not shown) detachably attached to the device main body 72, and liquid is contained in the device main body 72. The inflow is prevented by a filter.
- the hand switch 74 is provided with various switches. For example, a stop switch similar to the stop switch SW2 on the device main body 72 side, an ON / OFF switch for instructing pressurization and depressurization of the balloon 60, a pause switch for holding the pressure of the balloon 60, and the like are provided.
- the hand switch 74 is electrically connected to the device main body 72 via a cord 84.
- the hand switch 74 is provided with a display unit indicating the air supply state or the exhaust state of the balloon 60.
- the balloon control device 70 supplies air to the balloon 60 to inflate it, and controls the air pressure to a constant value to keep the balloon 60 in an inflated state. Further, air is sucked from the balloon 60 and contracted, and the air pressure is controlled to a constant value to keep the balloon 60 in the contracted state.
- the balloon control device 70 is connected to the balloon dedicated monitor 86, and when the balloon 60 is expanded and contracted, the pressure value and the expanded and contracted state of the balloon 60 are displayed on the balloon dedicated monitor 86.
- the pressure value and the expanded and contracted states of the balloon 60 may be superimposed on the observation image of the endoscope 10 and displayed on the monitor 50.
- the insertion portion 12 is inserted by a push type, and the balloon 60 is inflated as necessary to fix the insertion portion 12 in the body (for example, the large intestine). Then, after the insertion portion 12 is pulled to simplify the tube shape in the body (for example, the large intestine), the balloon 60 is contracted to further insert the insertion portion 12 into the deep part of the intestine.
- the insertion portion 12 is inserted from the subject's anus, and when the tip of the insertion portion 12 passes the sigmoid colon, the balloon 60 is inflated to fix the insertion portion 12 to the intestinal tract, and the insertion portion 12 is pulled. Straighten the sigmoid colon.
- the endoscope 10 described above may be used as a double-balloon endoscopy device together with an insertion assisting tool with a balloon (not shown).
- FIG. 3 is a plan view of the balloon mounting jig.
- FIG. 4 is a perspective view showing a state in which the first opening and the second opening of the main body are open.
- FIG. 5 is a perspective view of the main body in a folded state.
- FIG. 6 is a plan view of a sheet for forming a balloon mounting jig.
- the plan view VIA shown in FIG. 6 is a view seen from the side that becomes the inner surface when the balloon mounting jig is assembled, and the plan view VIB is a view seen from the outer surface side.
- the balloon mounting jig is used to facilitate mounting the balloon 60 on the insertion portion 12 of the endoscope 10.
- the target to which the balloon 60 is attached is not limited to the insertion portion 12, and the insertion used as an aid when inserting the insertion portion 12 into the body cavity. It can also be attached to an auxiliary tool (not shown).
- the balloon mounting jig 100 has a main body 102 formed in a hollow tubular shape having a first opening 104 at one end and a second opening 106 at the other end.
- the second opening 106 of the main body 102 has a pair of guide pieces 108a and 108b facing each other with the second opening 106 interposed therebetween.
- the main body 102 is provided with two sets of bent portions 110a, 110b, 110c provided from one end to the other end so that the main body 102 can be bent inward from both directions.
- the bent portions 110a and 110c in a mountain fold and folding the bent portions 110b in a valley fold
- the main body portion 102 can be bent inward.
- the main body 102 can be folded flat by bending at the bent portions 110a, 110b and 110c, and as shown in FIG. 5, the pair of guide pieces 108a and 108b can be overlapped with each other.
- the pair of guide pieces 108a and 108b are provided so as to extend from the second opening 106 toward the tip side opposite to the first opening 104.
- the width of the pair of guide pieces 108a and 108b is formed to be narrower than that of the main body 102 folded flat.
- the insertion portion 12 of the endoscope 10 When the insertion portion 12 of the endoscope 10 is attached to the balloon 60, the insertion portion 12 is inserted along the pair of guide pieces 108a and 108b so that the insertion portion 12 can be inserted into the first cylinder portion 60A and the second cylinder portion 60B. Can be easily inserted into.
- the first opening 104 side of the main body 102 has a wing 112 that extends from the main body 102 in the width direction and is wider than the main body 102 that is folded flat.
- the wing portion 112 is a portion that comes into contact with the recess 310 (see FIG. 8) when stored in the storage container 300 (see FIG. 8) described later, and the wing portion 112 is brought into contact with the recess. The movement and rotation of the main body 102 are prevented.
- Such a balloon mounting jig 100 can be formed by using, for example, the sheet S shown in FIG.
- the bent portions 110a and 110c formed on the main body portion 102 of the sheet S are mountain-folded, the bent portion 110b is valley-folded, and the bent portion 110d provided on the wing portion 112 is mountain-folded in two to form the main body portion 102.
- the balloon mounting jig 100 in which the main body 102 is formed into a hollow tubular shape is formed. be able to.
- the material of the main body 102 and the pair of guide pieces 108a and 108b is preferably a material that is difficult for rubber products such as silicone rubber and latex, which are balloon materials, to adhere to each other.
- rubber products such as silicone rubber and latex, which are balloon materials
- drawing paper and Kent paper Paper such as, or resins such as fluororesin, silicon resin, polypropylene resin and polycarbonate resin can be used.
- YUPO paper registered trademark
- the outer peripheral surface of the insertion portion 12 of the endoscope 10 is formed on the inner surface of the main body portion 102 and the pair of guide pieces 108a and 108b. It has a slidable sliding surface 120. That is, the sliding surface 120 has slipperiness with respect to the insertion portion 12 of the endoscope 10.
- the sliding surface 120 has at least the insertion portion 12 and the main body 102 and the pair of guide pieces when the insertion portion 12 is inserted among the inner surfaces of the main body 102 of the balloon mounting jig 100 and the pair of guide pieces 108a and 108b. It is preferable that the region is provided in a region where the 108a and 108b are in contact with each other. More preferably, when the balloon mounting jig is assembled, the first surface 102a which is the same surface as the guide piece 108a, the second surface 102b which is the same surface as the guide piece 108b, and the pair of guide pieces 108a and 108b. It is provided in the entire area.
- the inner surface of the main body 102 including the first surface 102a, the second surface 102b, and the side surfaces 102c and 102d provided between the first surface 102a and the second surface 102b, and the pair of guide pieces 108a. It is provided over the entire inner surface of 108b.
- the sliding surface 120 includes a first surface 102a which is the same surface as the guide piece 108a, a second surface 102b which is the same surface as the guide piece 108b, and a pair of guide pieces 108a. , 108b.
- the method of providing the sliding surface 120 on the inner surface of the main body 102 and the pair of guide pieces 108a and 108b can be performed by making the surface a textured uneven surface or providing a coating layer made of a plastic material. ..
- the surface In order to make the surface a textured uneven surface, for example, (1) roughening the inner surface by filing, (2) blasting treatment by injecting spherical or acute-angled granules formed of resin or the like, ( It can be performed by 3) thermal transfer to a mold having an uneven surface and rough surface, and (4) formation of a plurality of streaks by microfabrication.
- the coating layer made of a plastic material can be formed by applying a fluorine or silicon-based paint.
- the streak shape is formed by microfabrication and the roughness of the coating layer has directionality
- the insertion portion 12 can be slidable in the insertion direction by having the same directionality as the insertion direction of the insertion portion 12. can do.
- the sliding surface 120 of the main body 102 can be sufficiently slidable with respect to the balloon mounting jig 100.
- the sliding surface 120 can be formed without treating the inner surface.
- the balloon mounting jig 100 can be attached even when the tension of the balloon 60 is applied from the periphery of the pair of guide pieces 108a and 108b.
- the insertion portion 12 can be smoothly moved (sliding) such as insertion or removal of the insertion portion 12.
- the outer surfaces of the pair of guide pieces 108a and 108b are provided on the high friction portion 122 provided on the second opening 106 side and on the tip side of the high friction portion 122. It has a low friction portion 124 having a friction coefficient smaller than that of the high friction portion 122.
- the high friction portion 122 is formed by attaching a thin polypropylene sheet, applying an adhesive (tack property) coating such as low hardness silicon, or attaching a smooth paper such as laminated paper or YUPO paper. Can be done. Further, the low friction portion 124 can be formed by the same method as the sliding surface 120 formed on the inner surface of the balloon mounting jig 100 described above.
- the low friction portion 124 can be made slippery with respect to the balloon 60.
- the balloon mounting jig 100 can be inserted or removed from the first cylinder portion 60A of the balloon 60. Further, since the high friction portion 122 can be made less slippery with respect to the balloon 60, the balloon mounting jig 100 can be moved integrally with the second cylinder portion 60B of the balloon 60.
- the high friction portion 122 and the low friction portion 124 can have the above-mentioned effects, the high friction portion 122 and the low friction portion 124 form only one of the high friction portion 122 and the low friction portion 124, whereby two regions having relatively different friction coefficients are formed. Can be formed.
- the balloon mounting jig 100 is made of resin
- the resin surface has a large frictional resistance, so the process of forming the high friction portion 122 is not performed, and the process of forming the low friction portion 124 (sliding surface).
- the high friction portion 122 and the low friction portion 124 can be formed on the outer surfaces of the pair of guide pieces 108a and 108b.
- the process of forming the low friction portion 124 is not performed, and the high friction portion 122 described above is not performed.
- the high friction portion 122 and the low friction portion 124 can be formed on the outer surfaces of the pair of guide pieces 108a and 108b.
- the pair of guide pieces 108a and 108b have a narrow portion 126 provided on the tip end side and a wide portion 128 provided on the second opening 106 side.
- the wide portion 128 is formed to be narrower than the narrow portion 126.
- the wide portion 128 preferably has a total length of the widths of the pair of guide pieces 108a and 108b equal to or less than the length of the outer circumference of the insertion portion 12 of the endoscope 10 to be inserted.
- the region of the insertion portion 12 in direct contact with the balloon 60 decreases. Therefore, the insertion portion 12 can be easily moved with respect to the balloon mounting jig 100 in a state where the balloon 60 is inserted into the balloon mounting jig 100.
- the narrow portion 126 provided at the tip of the pair of guide pieces 108a and 108b is formed to be narrower than the wide portion 128.
- the balloon attachment jig 100 is pulled out by holding the portion where the balloon 60 arranged at the tip of the insertion portion 12 and the insertion portion 12 are in direct contact with each other, so that the balloon attachment can be cured without moving the balloon 60.
- the tool 100 can be pulled out.
- the tip side of the pair of guide pieces 108a and 108b has a tip shape without a taper because the side portion is parallel to the insertion direction of the insertion portion 12.
- the tip of the pair of guide pieces 108a and 108b can be inserted up to the tip of the first tubular portion 60A of the balloon 60. Therefore, the insertion portion 12 of the endoscope 10 can be inserted up to the tip of the first tubular portion 60A.
- balloon attachment jig 100 is attached with the balloon 60
- the balloon mounting jig 100 of the present invention can also be used by being stored in a storage container described later in a form in which the balloon 60 is mounted.
- the configuration in which the balloon 60 is attached to the balloon attachment jig 100 is referred to as “balloon 200 with attachment jig”.
- FIG. 7 is a diagram illustrating a form in which the balloon 60 is attached to the balloon attachment jig 100.
- the pair of guide pieces 108a and 108b are inserted into the second cylinder portion 60B, and the tip side portion of the pair of guide pieces 108a and 108b is the second cylinder portion. Protrude from 60B. Further, by inserting the pair of guide pieces 108a and 108b inside the balloon body 60C, the second cylinder portion 60B moves toward the first cylinder portion 60A, and the balloon body 60C is folded back inward. A folded opening 66 is formed.
- the tip-side portions (narrow portion 126) of the guide pieces 108a, 108b protruding from the second tubular portion 60B can be inserted.
- the balloon attachment jig 100 can be attached to the balloon 60.
- the second cylinder portion 60B is arranged inside the folded-back opening 66.
- the narrow portion 126 of the guide pieces 108a and 108b is arranged inside the first tubular portion 60A.
- the wide portion 128 of the guide pieces 108a and 108b is arranged inside the second tubular portion 60B.
- the pair of guide pieces 108a and 108b in the first tubular portion 60A are directed outward along the longitudinal direction A (see FIG. 3) of the pair of guide pieces 108a and 108b. It is bent and arranged.
- the first opening 104 can be opened slightly from the completely folded state. Therefore, the insertion portion 12 of the endoscope 10 can be easily inserted into the first opening 104.
- the first tubular portion 60A is arranged in a narrow portion 126 provided on the tip side of the pair of guide pieces 108a and 108b. Therefore, it is preferable that the low friction portion 124 is provided on the outer surface of the narrow portion 126 of the pair of guide pieces 108a and 108b.
- the insertion portion 12 of the endoscope 10 is inserted into the balloon 200 with a mounting jig, the insertion portion 12 is inserted up to the tips of the pair of guide pieces 108a and 108b, and the first cylinder portion 60A of the balloon 60 is inserted into the tip of the insertion portion 12. Is placed.
- the first cylinder portion 60A can be attached to the tip of the insertion portion 12 by pulling out the balloon attachment jig 100 without moving the position of the first cylinder portion 60A with respect to the insertion portion 12. At this time, by making the outer surface of the narrow portion 126 in which the first tubular portion 60A is arranged a low friction portion 124, it is possible to easily pull out the pair of guide pieces 108a and 108b from the first tubular portion 60A.
- the balloon 200 with a mounting jig is arranged in a wide portion 128 in which the second tubular portion 60B is provided on the base end side of the pair of guide pieces 108a and 108b. Therefore, it is preferable that the high friction portion 122 is provided on the outer surface of the wide portion 128 of the pair of guide pieces 108a and 108b. Since the second cylinder portion 60B is moved to the base end side of the insertion portion 12 after the insertion portion 12 is inserted, the wide portion 128 in which the second cylinder portion 60B is arranged is designated as the high friction portion 122.
- the second cylinder portion 60B and the balloon mounting jig 100 can be moved integrally without the second cylinder portion 60B sliding on the pair of guide pieces 108a and 108b. Since the inner surfaces of the pair of guide pieces 108a and 108b and the main body 102 have a sliding surface on which the outer peripheral surface of the insertion portion 12 can slide, the balloon mounting jig 100 has a configuration that makes it easy to move on the insertion portion 12. ing. Further, since the wide portion 128 has a wider width of the narrow portion 126, the area where the insertion portion 12 and the second cylinder portion 60B come into contact with each other can be reduced, and the influence of the tension of the second cylinder portion 60B can be reduced.
- the balloon mounting jig 100 is hard to receive and has a structure that makes it easy to move on the insertion portion 12.
- the balloon 200 with the attachment jig may have the insertion portion 12 inserted and the balloon 60 attached, and is stored in the storage container 300 shown in FIG. 8, and the insertion portion is stored in the storage container 300. 12 may be inserted and the balloon 60 may be attached to the insertion portion 12.
- the storage container 300 will be described.
- FIG. 8 is a perspective view of the storage container.
- FIG. 9 is a plan view with the lid removed.
- FIG. 10 is a cross-sectional view of a state in which a balloon mounting jig with a balloon mounted is stored in a storage container.
- the storage container 300 includes a body portion 302 composed of a tubular body portion main body 318 and a middle groove portion 320 narrower than the body portion main body 318, and a small groove portion 306 provided on the middle groove portion 320 side of the body portion 302. It has a container opening 308 provided on the opposite side of the groove 306. Between the body portion main body 318 and the middle groove portion 320, there is a stepped portion 322 provided so as to have a surface in the direction perpendicular to the insertion direction B of the balloon mounting jig 100.
- the container opening 308 On the container opening 308 side of the body portion 302, there is a recess 310 formed in a concave shape in a direction perpendicular to the insertion direction B of the balloon mounting jig 100. Further, the container opening 308 has a collar portion 312 that is widened from the container opening 308 in a direction perpendicular to the insertion direction B of the balloon mounting jig 100, and a lid portion 314 is attached to the collar portion 312. Will be done.
- the balloon body 60C and the second cylinder portion 60B of the balloon 60 are stored in the body portion 302, and the first cylinder portion 60A is stored in the small groove portion 306. Further, in the body portion 302, a part of the balloon body 60C and the second cylinder portion 60B are housed in the middle groove portion 320, and the other part of the balloon body 60C is housed in the body portion body 318.
- the main body 102 is housed in the body 318 of the body 302, and the pair of guide pieces 108a and 108b are housed in the small groove 306 and the middle groove 320.
- the pair of guide pieces 108a and 108b of the main body 102 of the balloon mounting jig 100 are located at the boundary between the body body 318 and the middle groove 320. The ends can be placed.
- the stepped portion 322 of the storage container 300 and the ends of the pair of guide pieces 108a and 108b of the main body portion 102 of the balloon mounting jig 100 are inserted in the insertion direction of the insertion portion 12 of the endoscope 10 (balloon mounting cure). It can be flush with the tool 100 in the direction perpendicular to the insertion direction B).
- the step portion 322 becomes the second regulation surface 324 that regulates the position of the main body portion 102 of the balloon mounting jig 100 in the insertion direction, and the second regulation surface 324 and the balloon mounting jig that is the regulated portion 130.
- the position of the balloon mounting jig 100 in the insertion direction can be regulated by contacting the pair of guide pieces 108a and 108b side ends of the main body 102 of the 100.
- the body portion main body 318 is preferably formed in a tapered shape in which the inner diameter expands from the middle groove portion 320 toward the container opening portion 308.
- the balloon 200 with a mounting jig can be easily taken out by forming a tapered shape that expands toward the container opening 308 side. Also, in the manufacture of the storage container 300, by widening the container opening 308 side, it is possible to easily remove the container from the mold.
- the small groove portion 306 accommodates the first cylinder portion 60A and the narrow portion 126 of the pair of guide pieces 108a and 108b.
- the small groove portion 306 has an elliptical cross-sectional shape cut in a direction C perpendicular to the axial direction of the body portion 302 (the same direction as the insertion direction B of the balloon mounting jig 100) (FIG. 9).
- the tips of the pair of guide pieces 108a and 108b are preferably arranged along the elliptical minor axis direction D of the small groove portion 306.
- "arranging the guide pieces along the minor axis direction” means that each of the pair of guide pieces is arranged on both sides of the minor axis of the small groove portion 306.
- the wing portion 112 of the balloon mounting jig 100 is housed in the recess 310.
- the recess 310 has a positioning surface 310a formed in a direction perpendicular to the insertion direction B of the balloon mounting jig 100, and a first regulation surface 310b formed in the circumferential direction of the body portion.
- the rotation direction of the balloon mounting jig 100 with respect to the central axis of the insertion direction B can be regulated.
- it is possible to prevent the balloon 200 with a mounting jig from rotating during transportation, prevent the balloon bodies 60C arranged around the balloon mounting jig 100 from sticking to each other, and maintain the shape of the balloon body 60C. can do.
- the collar portion 312 is formed so as to extend from the container opening 308 in a direction perpendicular to the insertion direction B of the balloon mounting jig 100.
- the flange portion 312 is composed of an outer peripheral portion 312a and an inner peripheral portion 312b, and is provided in this order from the container opening 308 side to the inner peripheral portion 312b and the outer peripheral portion 312a.
- the inner peripheral portion 312b is formed on the inner groove portion 318 side of the outer peripheral portion 312a in the insertion direction B of the balloon mounting jig 100. That is, the outer peripheral portion 312a and the inner peripheral portion 312b are formed in a stepped shape, and the outer peripheral portion 312a is formed so as to project in the direction opposite to the middle groove portion 318 side.
- the lid portion 314 is attached to the collar portion 312 to seal the inside of the storage container 300 and ensure sterilization.
- the lid portion 314 is attached to the surface to be attached provided on the base end side of the outer peripheral portion 312a of the flange portion 312. By attaching the lid portion 314 to the outer peripheral portion 312a, the area to which the lid portion 314 is attached can be reduced.
- FIG. 11 is a diagram in which the insertion portion of the endoscope is inserted into the packaging body of the balloon with the attachment jig from which the lid portion is removed.
- the first opening 104 side of the balloon attachment jig 100 is arranged on the container opening 308 side of the storage container 300.
- the insertion portion 12 of the endoscope 10 is inserted through the first opening 104.
- the insertion portion 12 is inserted until it hits the small groove portion 306 of the storage container 300.
- the inner surface of the main body 102 of the balloon mounting jig 100 and the pair of guide pieces 108a and 108b has a sliding surface 120 on which the outer peripheral surface of the insertion portion 12 can slide. Therefore, the insertion portion 12 can be easily inserted into the balloon mounting jig 100.
- FIG. 12 is a diagram illustrating a state in which the tip of the insertion portion is inserted until it hits the tip of the small groove portion.
- the insertion portion 12 inserted from the first opening 104 passes through the main body 102 and is inserted between the pair of guide pieces 108a and 108b from the second opening 106.
- the first cylinder portion 60A and the second cylinder portion 60B are arranged outside the pair of guide pieces 108a and 108b.
- the insertion portion 12 is inserted into the inside of the first cylinder portion 60A and the second cylinder portion 60B via the pair of guide pieces 108a and 108b. Can be inserted.
- the tips of the pair of guide pieces 108a and 108b are 0 from the tip of the first tubular portion 60A in consideration of the dimension in which the tip of the insertion portion 12 drags the balloon and protrudes from the tip when the balloon is mounted. It is preferable that the container 300 is stored in the storage container 300 in a state of protruding by 5 to 3 mm. With the pair of guide pieces 108a and 108b in contact with the tip of the small groove portion 306, the tip of the insertion portion 12 is inserted until it hits the tip of the small groove portion 306. The tips of can be matched.
- the tension of the first cylinder portion 60A and the second cylinder portion 60B of the balloon 60 is increased.
- the insertion resistance is applied due to the influence of the above, and the balloon mounting jig 100 applies a force in the insertion direction of the insertion portion 12.
- the insertion portion 12 can be easily inserted to the tip of the first cylinder portion 60A of the balloon 60.
- the balloon 200 with the mounting jig into which the insertion portion 12 is inserted is pulled out from the storage container 300.
- the balloon attachment jig 100 is used.
- the insertion portion 12 is moved in the longitudinal axis direction so that the position of the tip of the insertion portion 12 and the end portion of the first tubular portion 60A of the balloon 60 are aligned.
- the balloon mounting jig 100 is moved to the proximal end side of the insertion portion 12 as shown in FIG.
- the position of the first cylinder portion 60A is fixed, and the position of the second cylinder portion 60B is set together with the balloon mounting jig 100.
- the second cylinder portion 60B is brought out to the outside of the folded-back opening 66.
- the outer surface of the pair of guide pieces 108a and 108b on the tip side is a low friction portion 124 having a small friction coefficient, it is possible to easily pull out only the pair of guide pieces 108a and 108b. can.
- the outer surface of the pair of guide pieces 108a and 108b on the second opening 106 side is the high friction portion 122, the second cylinder portion 60B is less likely to slip on the pair of guide pieces 108a and 108b. can do. Therefore, with the pair of guide pieces pressed from above the second cylinder portion 60B, the balloon 60 and the balloon mounting jig 100 are integrally moved onto the insertion portion 12 toward the base end side of the insertion portion 12.
- the second tubular portion 60B is arranged in the wide portion 128, and the wide portion 128 can increase the contact area between the pair of guide pieces 108a and 108b and the insertion portion 12. Since the inner surfaces of the pair of guide pieces 108a and 108b have a sliding surface 120 as described above, the movement on the insertion portion 12 of the balloon mounting jig 100 can be performed even when the tension of the second cylinder portion 60B is applied. It can be done easily.
- the second cylinder portion 60B is directed toward the first cylinder portion 60A side until the pair of guide pieces 108a and 108b are disengaged. , Get involved.
- the balloon mounting jig 100 is removed.
- the balloon mounting jig 100 is pulled out.
- the balloon mounting jig 100 may be broken and removed.
- first balloon fixing member 61 and the second balloon fixing member 62 are fitted into the first cylinder portion 60A and the second cylinder portion 60B of the balloon 60 to fix the balloon 60 to the insertion portion 12 (see FIG. 2). ).
- a rubber band can be used as the first balloon fixing member 61 and the second balloon fixing member 62. The rubber band can be attached, for example, by using the apparatus described in Japanese Patent Application Laid-Open No. 2013-126526.
- a thread can be used as the first balloon fixing member 61 and the second balloon fixing member 62, and by winding the first cylinder portion 60A and the second cylinder portion 60B with the thread, the balloon 60 is inserted into the insertion portion 12. Can be fixed.
- the mode in which the balloon attachment jig 100 of the present invention in which the balloon is attached is stored in the storage container 300 has been described, but the present invention is not limited thereto.
- the balloon 60 may be attached to the insertion portion 12 by inserting the insertion portion 12 into the balloon attachment jig to which the balloon 60 is attached without being stored in the storage container.
- the insertion portion 12 of the endoscope 10 when the insertion portion 12 of the endoscope 10 is inserted into the balloon attachment jig 100 to which the balloon 60 is mounted, the insertion portion 12 can be easily moved. Further, the influence of the tension of the balloon 60 can be reduced, the balloon mounting jig 100 can be easily moved, and the balloon 60 can be easily mounted on the insertion portion 12 and the insertion assisting tool.
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Abstract
Description
次に、本実施形態に係るバルーン取付治具について説明する。図3は、バルーン取付治具の平面図である。図4は、本体部の第1開口部及び第2開口部が開いた状態の斜視図である。図5は、本体部が折りたたまれた状態の斜視図である。図6は、バルーン取付治具を構成するためのシートの平面図である。図6に示す平面図VIAは、バルーン取付治具を組み立てた際に内表面となる側から見た図であり、平面図VIBは、外表面側から見た図である。バルーン取付治具は、バルーン60を内視鏡10の挿入部12への装着を容易にするために用いられる。なお、以下では、バルーン60を挿入部12に取り付ける態様で説明するが、バルーン60を取り付ける対象は、挿入部12に限定されず、挿入部12を体腔内へ挿入する際の補助に用いられる挿入補助具(図示せず)に取り付けることも可能である。
本実施形態のバルーン取付治具100は、図6の平面図VIAで示すように、本体部102及び一対のガイド片108a、108bの内表面に、内視鏡10の挿入部12の外周面が摺動可能な滑り面120を有する。すなわち、滑り面120は、内視鏡10の挿入部12に対して、滑り性を有する。
次に、一対のガイド片108a、108bの形状について説明する。図3から図6に示すように、一対のガイド片108a、108bは、先端側に設けられた幅狭部126と、第2開口部106側に設けられた幅広部128と、を有する。幅広部128は、幅狭部126より幅が狭く形成されている。
次に、バルーン取付治具100をバルーン60を取り付けた形態について説明する。本発明のバルーン取付治具100は、バルーン60が取り付けられた形態で、後述する収納容器に収納されて使用することもできる。以下では、バルーン取付治具100にバルーン60を取り付けた構成を「取付治具付きバルーン200」という。
図8は、収納容器の斜視図である。図9は、蓋部を外した状態における平面図である。図10は、収納容器内にバルーンを装着したバルーン取付治具を収納した状態の断面図である。
次に、図11から図17を用いて、バルーン60が装着されたバルーン取付治具が収納容器に収納された包装体(以下、「取付治具付きバルーンの包装体」ともいう)を使用したバルーン取付方法について説明する。
12 挿入部
14 操作部
16 ユニバーサルコード
18 LGコネクタ
20 光源装置
22 ケーブル
24 電気コネクタ
26 プロセッサ
28 送気送水ボタン
30 吸引ボタン
32 シャッターボタン
34 機能切替ボタン
36 アングルノブ
38 バルーン送気口
40 軟性部
42 湾曲部
44 先端部
46 鉗子挿入部
48 送気送水コネクタ
49 吸引コネクタ
50 モニタ
52 観察窓
54 照明窓
56 送気送水ノズル
58 鉗子口
60 バルーン
60A 第1筒部
60B 第2筒部
60C バルーン本体
61 第1バルーン固定部材
62 第2バルーン固定部材
64 通気孔
66 折り返し開口部
70 バルーン制御装置
72 装置本体
74 ハンドスイッチ
76 圧力表示部
80 チューブ
82 逆流防止ユニット
84 コード
86 バルーン専用モニタ
100 バルーン取付治具
102 本体部
102a 第1面
102b 第2面
102c、102d 側面
104 第1開口部
106 第2開口部
108a、108b ガイド片
110a、110b、110c、110d 折り曲げ部
112 翼部
116 挿入片
118 穴部
120 滑り面
122 高摩擦部
124 低摩擦部
126 幅狭部
128 幅広部
130 被規制部
200 取付治具付きバルーン
202 断面
300 収納容器
302 胴部
306 小溝部
308 容器開口部
310 凹部
310a 位置決め面
310b 第1規制面
312 鍔部
312a 外周部
312b 内周部
314 蓋部
318 胴部本体
320 中溝部
322 段差部
324 第2規制面
S シート
SW1 電源スイッチ
SW2 停止スイッチ
VIA、VIB 平面図
Claims (11)
- バルーン本体と、前記バルーン本体の一端に設けられる第1筒部と、前記第1筒部の前記バルーン本体を挟んで反対側の他端に設けられる第2筒部と、を有するバルーンを、内視鏡の挿入部又は前記内視鏡の挿入部の体腔内への挿入を補助する挿入補助具に取り付けるためのバルーン取付治具であって、
中空筒状で平坦状に折りたたみ可能に形成され、一端に第1開口部を有し他端に第2開口部を有する本体部と、
前記第2開口部から前記第1開口部が設けられる側とは反対側に向かって延在して設けられ、互いに対向する一対のガイド片と、を有し、
前記本体部及び前記一対のガイド片の内表面に、前記挿入部又は前記挿入補助具の外周面が摺動可能な滑り面を有する、
バルーン取付治具。 - 前記滑り面は、少なくとも前記挿入部又は前記挿入補助具が前記本体部及び前記一対のガイド片と接触する領域である、
請求項1に記載のバルーン取付治具。 - 前記滑り面は、前記本体部及び前記一対のガイド片の内表面の全域である、
請求項2に記載のバルーン取付治具。 - 前記滑り面は、前記本体部及び前記一対のガイド片の外表面より、摩擦係数が小さい、
請求項1から3のいずれか1項に記載のバルーン取付治具。 - 前記滑り面は、シボ状凹凸面である、
請求項1から4のいずれか1項に記載のバルーン取付治具。 - 前記滑り面は、プラスチック素材からなるコーティング層を有する、
請求項1から4のいずれか1項に記載のバルーン取付治具。 - 前記一対のガイド片は、
前記ガイド片の第2開口部側の外表面に設けられた高摩擦部と、
前記ガイド片の先端側の外表面に設けられ、前記高摩擦部より摩擦係数が小さい低摩擦部と、を有する、
請求項1から6のいずれか1項に記載のバルーン取付治具。 - 前記高摩擦部は、表面の滑らかなシート、又は、粘着性を有するコーティング層を有する、
請求項7に記載のバルーン取付治具。 - 前記一対のガイド片は、前記ガイド片の先端側に設けられた幅狭部と、前記ガイド片の第2開口部側に設けられ前記幅狭部より幅の広い幅広部と、を有し、
前記一対のガイド片のそれぞれの幅広部の幅を合計した長さが、前記挿入部又は前記挿入補助具の外周の長さ以下である、
請求項1から8のいずれか1項に記載のバルーン取付治具。 - バルーン本体と、前記バルーン本体の一端に設けられる第1筒部と、前記第1筒部の前記バルーン本体を挟んで反対側の他端に設けられる第2筒部と、を有するバルーンを、内視鏡の挿入部又は前記内視鏡の挿入部の体腔内への挿入を補助する挿入補助具に取り付けるためのバルーン取付治具であって、
中空筒状で平坦状に折りたたみ可能に形成され、一端に第1開口部を有し他端に第2開口部を有する本体部と、
前記第2開口部から前記第1開口部が設けられる側とは反対側に向かって延在して設けられ、互いに対向する一対のガイド片と、
前記一対のガイド片に設けられ、前記ガイド片の先端側の幅狭部と、前記第2開口部側で前記幅狭部より幅の広い幅広部と、を有し、
前記一対のガイド片のそれぞれの幅広部の幅を合計した長さが、前記挿入部又は前記挿入補助具の外周の長さ以下である、
バルーン取付治具。 - 前記本体部及び前記一対のガイド片の材料が、樹脂又は紙である、
請求項1から10のいずれか1項に記載のバルーン取付治具。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022503613A JP7394957B2 (ja) | 2020-02-28 | 2021-02-22 | バルーン取付治具 |
| CN202180015804.7A CN115135220B (zh) | 2020-02-28 | 2021-02-22 | 球囊安装夹具 |
| US17/881,554 US12285156B2 (en) | 2020-02-28 | 2022-08-04 | Balloon mounting jig |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020033961 | 2020-02-28 | ||
| JP2020-033961 | 2020-02-28 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/881,554 Continuation US12285156B2 (en) | 2020-02-28 | 2022-08-04 | Balloon mounting jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2021172285A1 true WO2021172285A1 (ja) | 2021-09-02 |
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| PCT/JP2021/006661 Ceased WO2021172285A1 (ja) | 2020-02-28 | 2021-02-22 | バルーン取付治具 |
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| JP (1) | JP7394957B2 (ja) |
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| CN111743502B (zh) * | 2019-03-28 | 2025-02-21 | 富士胶片株式会社 | 带安装夹具的球囊的包装体及球囊安装方法 |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173424A (ja) * | 1994-12-20 | 1996-07-09 | Fuji Photo Optical Co Ltd | 可撓膜装着装置 |
| JP2006230777A (ja) * | 2005-02-25 | 2006-09-07 | Fujinon Corp | 内視鏡装置 |
| JP2009028350A (ja) * | 2007-07-27 | 2009-02-12 | Fujinon Corp | バルーン取付治具製造方法 |
| JP2010017485A (ja) * | 2008-07-14 | 2010-01-28 | Hoya Corp | 内視鏡用バルーンの装着補助具、内視鏡用バルーン装着キット、及び、内視鏡システム |
| JP2011245012A (ja) * | 2010-05-26 | 2011-12-08 | Masakatsu Nakamura | 内視鏡用フード装着補助具 |
| JP2020163114A (ja) * | 2019-03-28 | 2020-10-08 | 富士フイルム株式会社 | 取付治具付きバルーンの包装体及びバルーン取付方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006150103A (ja) * | 2004-06-14 | 2006-06-15 | Srj Corp | 内視鏡装置 |
| JP4149987B2 (ja) * | 2004-11-09 | 2008-09-17 | フジノン株式会社 | 内視鏡装置 |
| JP4800120B2 (ja) * | 2006-06-14 | 2011-10-26 | 富士フイルム株式会社 | 挿入補助具及びそれを備えた内視鏡装置 |
| JP4981554B2 (ja) | 2007-07-06 | 2012-07-25 | 富士フイルム株式会社 | バルーン取付治具、及び、バルーン取付方法 |
-
2021
- 2021-02-22 JP JP2022503613A patent/JP7394957B2/ja active Active
- 2021-02-22 WO PCT/JP2021/006661 patent/WO2021172285A1/ja not_active Ceased
- 2021-02-22 CN CN202180015804.7A patent/CN115135220B/zh active Active
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2022
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08173424A (ja) * | 1994-12-20 | 1996-07-09 | Fuji Photo Optical Co Ltd | 可撓膜装着装置 |
| JP2006230777A (ja) * | 2005-02-25 | 2006-09-07 | Fujinon Corp | 内視鏡装置 |
| JP2009028350A (ja) * | 2007-07-27 | 2009-02-12 | Fujinon Corp | バルーン取付治具製造方法 |
| JP2010017485A (ja) * | 2008-07-14 | 2010-01-28 | Hoya Corp | 内視鏡用バルーンの装着補助具、内視鏡用バルーン装着キット、及び、内視鏡システム |
| JP2011245012A (ja) * | 2010-05-26 | 2011-12-08 | Masakatsu Nakamura | 内視鏡用フード装着補助具 |
| JP2020163114A (ja) * | 2019-03-28 | 2020-10-08 | 富士フイルム株式会社 | 取付治具付きバルーンの包装体及びバルーン取付方法 |
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| JP7394957B2 (ja) | 2023-12-08 |
| JPWO2021172285A1 (ja) | 2021-09-02 |
| CN115135220B (zh) | 2025-07-01 |
| CN115135220A (zh) | 2022-09-30 |
| US12285156B2 (en) | 2025-04-29 |
| US20220369898A1 (en) | 2022-11-24 |
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