WO2021205649A1 - Système de gaine pour endoscope et gaine pour endoscope - Google Patents

Système de gaine pour endoscope et gaine pour endoscope Download PDF

Info

Publication number
WO2021205649A1
WO2021205649A1 PCT/JP2020/016114 JP2020016114W WO2021205649A1 WO 2021205649 A1 WO2021205649 A1 WO 2021205649A1 JP 2020016114 W JP2020016114 W JP 2020016114W WO 2021205649 A1 WO2021205649 A1 WO 2021205649A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope
cover
channel
tip
insertion portion
Prior art date
Application number
PCT/JP2020/016114
Other languages
English (en)
Japanese (ja)
Inventor
山谷　高嗣
Original Assignee
オリンパス株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by オリンパス株式会社 filed Critical オリンパス株式会社
Priority to PCT/JP2020/016114 priority Critical patent/WO2021205649A1/fr
Publication of WO2021205649A1 publication Critical patent/WO2021205649A1/fr

Links

Images

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
    • 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
    • A61B1/012—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 characterised by internal passages or accessories therefor
    • A61B1/015—Control of fluid supply or evacuation
    • 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
    • A61B1/012—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 characterised by internal passages or accessories therefor
    • A61B1/018—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 characterised by internal passages or accessories therefor for receiving instruments

Definitions

  • the present invention relates to an endoscope cover system, an endoscope cover having an endoscope and an endoscope cover attached so as to cover at least an insertion portion of the endoscope.
  • Endoscopes used in the medical field are used by being inserted into the body cavity inside the subject, especially for the purpose of examination and treatment. Therefore, after use, they are washed and disinfected in order to be reused. , Sterilization is required.
  • one endoscope can be used for the stomach and the intestine properly. ..
  • an endoscope inserted into the small intestine it may be inserted not only through the anus but also orally into the body cavity. In this case, it is preferable that the sheath is not covered with respect to the insertion portion in order to prevent the diameter of the insertion portion from being increased.
  • the usage pattern in which the insertion portion of one endoscope is covered with the endoscope cover and the endoscope are used. It has been desired to have a configuration in which the cover can be used properly without covering the insertion portion.
  • the present invention has been made in view of the above circumstances, and the endoscope cover can be easily covered with the insertion portion of the endoscope, and the usage pattern and the endoscope cover covered with the endoscope cover can be used. It is an object of the present invention to provide an endoscope cover system and an endoscope cover having a configuration that can be used in any case of a usage pattern that does not cover the endoscope.
  • the endoscope cover system extends from the insertion portion inserted into the subject, the operation portion provided on the proximal end side of the insertion portion, and the operation portion.
  • An endoscope having a channel provided along the insertion portion and the operation portion and configured to be connectable to a suction device, and at least the insertion portion of the endoscope so as to be covered.
  • An endoscope cover system comprising an endoscope cover to be attached, wherein the endoscope cover includes a sheath body including a bag-shaped member covering an outer surface from the tip end to the proximal end side of the insertion portion.
  • a flow path that is provided independently of the channel of the endoscope and communicates between the inner surface of the sheath body and the outer surface of the insertion portion and the outside of the space, and the flow.
  • the flow path and the fluid suction pipe in a state where the fluid suction pipeline connected to the passage and the channel and freely connected to the suction device and the suction device and the fluid suction pipeline are connected. It has a pipeline switching unit configured to switch to a state in which the channel and the fluid suction pipeline are communicated with each other after being communicated with the passage.
  • the endoscope cover includes an insertion portion to be inserted into the subject, an operation portion provided on the proximal end side of the insertion portion, and an operation portion extending from the operation portion.
  • An endoscope cover attached to an endoscope having an insertion portion and a channel provided along the operation portion and configured to be freely connectable to a suction device, from the tip end to the base end of the insertion portion.
  • a sheath body including a bag-shaped member covering the outer surface up to the side is provided independently of the channel of the endoscope, and is formed between the inner surface of the sheath body and the outer surface of the insertion portion.
  • a flow path that communicates between the space and the outside of the space, a fluid suction pipeline that is connected to the flow path and the channel and is freely connectable to the suction device, and the suction device and the fluid suction pipeline.
  • a pipeline switching unit configured to communicate with the flow path and the fluid suction pipeline, and then switch to a state in which the channel and the fluid suction pipeline are communicated with each other.
  • the endoscope cover of FIG. 1 shows a state of the endoscope cover system attached to the endoscope with a part thereof in cross section.
  • Partial perspective view showing a state in which the tip end side of the sheath body is removed from the tip end portion of the insertion portion of the endoscope of FIG.
  • Partial cross-sectional view showing a state in which the tip end side of the sheath body is removed from the tip end portion of the insertion portion of the endoscope of FIG.
  • the view which shows the endoscope cover system which shows the structure of the modification of the suction valve of FIG.
  • Partial perspective view of the endoscope cover system showing the part surrounded by the XVII line in FIG. 13 in an enlarged manner.
  • FIG. 21 An exploded perspective view of the endoscope tip cover of FIG.
  • FIG. 1 is a view showing the configuration of the endoscope cover system of the present embodiment with a partial cross section
  • FIG. 2 is a view showing the endoscope cover of FIG. 1 extracted
  • FIG. 3 is a view of FIG. It is a figure which shows the state of the endoscope cover system attached to the endoscope with a part of the cross section of the endoscope cover.
  • FIG. 4 is a partial cross-sectional view showing a portion surrounded by the IV line in FIG. 3 extracted from the endoscope cover system of FIG. 3, and FIG. 5 shows an operator's finger at the opening of the suction valve of FIG. It is a partial cross-sectional view which shows the state which is closed by.
  • FIG. 6 is a partial perspective view of the endoscope cover system showing an enlarged portion surrounded by the VI line in FIG. 3
  • FIG. 7 is a sheath from the tip of the insertion portion of the endoscope in FIG.
  • FIG. 8 is an exploded perspective view of the tip end side of the sheath main body of FIG.
  • FIG. 9 is a front view of the endoscope cover system of FIG. 6 as viewed from the IX direction in FIG. 6, and FIG. 10 is a partial cross-sectional view and view of the endoscope cover system along line XX in FIG. 11 is a partial cross-sectional view showing a state in which the tip end side of the sheath body is removed from the tip end portion of the insertion portion of the endoscope of FIG.
  • the endoscope cover system 100 includes an endoscope cover 1 and an endoscope 50 to form a main part.
  • the endoscope 50 includes an insertion portion 55 to be inserted into the subject, an operation portion 56 provided on the proximal end side of the insertion portion 55, a universal cord 57 extending from the operation portion 56, and the like.
  • the main part is composed of a connector 58 provided at the extending end of the universal cord 57.
  • the insertion portion 55 includes a tip portion 51 (see FIG. 7) provided with an imaging unit, a lighting unit, and the like (not shown) on the tip side.
  • a channel 60 for inserting a treatment tool that also serves as a suction pipe and a fluid supply channel 62 are provided in the insertion portion 55, the operation portion 56, the universal cord 57, and the connector 58.
  • the tip of the channel 60 is opened as a tip opening 60i (both refer to FIG. 7) on the tip surface 51s of the tip 51, and the base end communicates with a suction port 58a provided on the connector 58.
  • the suction pump 70 which is a suction device as shown in FIG. 3, is configured to be detachable from the suction port 58a. That is, the channel 60 can be freely connected to the suction pump 70.
  • the pipeline 60a branched from the channel 60 communicates with the treatment tool insertion port 56a provided in the operation unit 56.
  • the tip of the fluid supply channel 62 is exposed as a tip opening 62i in the recess 51d formed in the tip surface 51s of the tip 51.
  • the base end of the fluid supply channel 62 communicates with a supply port (not shown) provided in the connector 58.
  • a fluid supply device (not shown) is detachably attached to the supply port.
  • the operation unit 56 is provided with an air supply / water supply button 91.
  • the air supply / water supply button 91 supplies fluid to the observation window 52 (see FIG. 6) or the surface 13a (see FIG. 8) of the translucent plate 13 having a portion located in the visual field range of the observation window 52 through the fluid supply channel 62. At that time, the opening and closing of the fluid supply channel 62 is button-operated by the operator.
  • a cylinder 56b communicating with the channel 60 is provided at an intermediate position of the channel 60.
  • the cylinder 56b is a cylindrical groove.
  • the endoscope cover 1 is removable from the endoscope 50, and is attached so as to cover at least the insertion portion 55 when attached.
  • the endoscope cover 1 includes a sheath body 2 and a suction valve unit 3 to form a main part.
  • the sheath main body 2 includes an endoscope tip cover 10, a bag-shaped member 20 that covers the outer surface 55 g from the tip to the base end of the insertion portion 55, a base end member 23, and another channel 40.
  • the main part is composed.
  • the tip portion 51 is provided with an observation window 52, an illumination window 53, and a tip opening 60i of the channel 60 on the tip surface 51s.
  • a recess 51d facing rearward is formed on the tip surface 51s, and the tip side of the fluid supply channel 62 is provided on the bottom surface 51dt of the recess 51d so as to project forward from the bottom surface 51dt. As a result, the tip opening 62i of the fluid supply channel 62 is exposed in the recess 51d.
  • a locking pin 51t is formed on the outer peripheral surface 51g of the tip portion 51.
  • the locking pin 51t locks the locking hole 11h of the first endoscope tip cover 11 as shown in FIG. Will be done.
  • a locking groove 51 m is formed on the outer peripheral surface 51 g of the tip portion 51.
  • the locking groove 51m when the endoscope tip cover 10 is attached to the outer peripheral surface 51g of the tip portion 51, the locking projection 11t of the first endoscope tip cover 11 engages as shown in FIG. (Match).
  • the endoscope tip cover 10 is mainly composed of a first endoscope tip cover 11, a second endoscope tip cover 12, and a translucent plate 13. ..
  • the first endoscope tip cover 11 is formed of a hard resin such as plastic into a short cylinder, and is configured so that the inner peripheral surface can be engaged with the outer peripheral surface 51 g of the tip portion 51. There is.
  • the discharge port is observed as shown in FIGS. 6 and 10.
  • a nozzle 11n facing the window 52 is provided.
  • the nozzle 11n is for blowing a fluid from the discharge port to the viewing range of the observation window 52 on the surface 13a of the translucent plate 13.
  • the nozzle 11n blows the fluid directly onto the observation window 52 from the discharge port.
  • a locking projection 11t is provided on the inner peripheral surface of the first endoscope tip cover 11.
  • the locking projection 11t is engaged with the locking groove 51m when the first endoscope tip cover 11 is engaged with the outer peripheral surface 51g of the tip portion 51. As a result, the first endoscope tip cover 11 is positioned in the rotation direction with respect to the tip portion 51.
  • a circumferential groove is formed on the outer peripheral surface of the first endoscope tip cover 11, and a locking hole 11h penetrating the outer peripheral surface and the inner peripheral surface is formed in the groove.
  • the locking pin 51t is locked in the locking hole 11h when the first endoscope tip cover 11 is engaged with the outer peripheral surface 51g of the tip portion 51.
  • the first endoscope tip cover 11 is positioned with respect to the tip portion 51 in the rotation direction and the longitudinal axis direction.
  • the portion on the tip side of the groove constitutes the fragile portion W.
  • the fragile portion W constitutes a portion that is destroyed by the operator when the endoscope tip cover 10 is removed from the tip portion 51.
  • the second endoscope tip cover 12 is composed of a member having more elasticity than the first endoscope tip cover 11, such as rubber, and is formed in a short cylinder.
  • the second endoscope tip cover 12 is engageable so that a part of the inner peripheral surface is in close contact with the outer peripheral surface of the first endoscope tip cover 11, and the base end side of the inner peripheral surface side.
  • the portion is configured to be engageable so as to be in close contact with the outer peripheral surface 51g of the tip portion 51.
  • the reason why the second endoscope tip cover 12 is made of rubber is to ensure watertightness with respect to the tip 51 when the endoscope tip cover 10 is attached to the outer peripheral surface 51 g.
  • a flow path connecting portion 12p projecting in the inner peripheral direction (inward in the radial direction) is provided on the inner peripheral surface of the second endoscope tip cover 12.
  • the flow path connecting portion 12p is provided with a flow passage 12r for communicating the tip end and the base end of the flow path connecting portion 12p inside.
  • the flow path connecting portion 12p is engaged so that the inner peripheral surface of the second endoscope tip cover 12 is in close contact with the outer peripheral surface of the first endoscope tip cover 11. At that time, as shown in FIG. 10, it is inserted into the first endoscope tip cover 11.
  • the tip side of the flow passage 12r is inserted into the nozzle 11n, so that the flow passage 12r communicates with the flow path in the nozzle 11n.
  • the flow passage 12r supplies the fluid by inserting the tip side of the fluid supply channel 62 into the flow passage 12r as shown in FIG. It communicates with channel 62.
  • the flow passage 12r circulates the fluid sent from the fluid supply channel 62 to the nozzle 11n.
  • the fluid is sprayed from the discharge port of the nozzle 11n onto the light transmitting plate 13 or the observation window 52.
  • the flow passage 12r is the flow path connecting portion of the second endoscope tip cover 12.
  • the elastic force of 12p causes the fluid to flow through the nozzle 11n in a watertight state with respect to the nozzle 11n.
  • the flow passage 12r and the fluid supply channel 62 are communicated with each other in a watertight state by the elastic force of the flow path connecting portion 12p.
  • the second endoscope tip cover 12 is shown to be engageable with the outer peripheral surface of the first endoscope tip cover 11, but in reality, the first endoscope After the second endoscope tip cover 12 is engaged with the outer peripheral surface of the tip cover 11, the second endoscope tip cover 12 may remain engaged without being disengaged. Further, both the first endoscope tip cover 11 and the second endoscope tip cover 12 may be prevented from being separated by adhering.
  • first endoscope tip cover 11 and the second endoscope tip cover 12 may be integrally formed as the endoscope tip cover 10.
  • the light-transmitting plate 13 is made of a light-transmitting material, and as shown in FIGS. 6, 7, 9-11, the front opening of the first endoscope tip cover 11 is passed through a flow path. It is watertightly attached to the first endoscope tip cover 11 so as to cover it except for the connecting portion 12p.
  • the translucent plate 13 may be watertightly attached to the second endoscope tip cover 12.
  • the translucent plate 13 has a portion located in the visual field range of the observation window 52 by closing the front opening of the first endoscope tip cover 11 after attachment.
  • the translucent plate 13 is located on the back surface 13b facing the front end surface 51s and on the opposite side of the back surface 13b, and the fluid is sprayed from the nozzle 11n and the observation window 52. It has a surface 13a having a portion located in the visual field range.
  • the light transmitting plate 13 is formed with a through hole 13h that penetrates the back surface 13b and the front surface 13a.
  • the bag-shaped member 20 is made of a flexible and thin resin such as rubber, vinyl, or polyethylene, and its tip is watertightly fixed to the outer peripheral surface of the second endoscope tip cover 12, for example, by adhesive fixing or sandwiching. Will be done. That is, the tip of the space K, which will be described later, is closed.
  • the tip of the bag-shaped member 20 may be watertightly fixed to the outer peripheral surface of the first endoscope tip cover 11, or the first endoscope tip cover 11 and the second endoscope. It may be watertightly fixed to each inner peripheral surface of the tip cover 12. Further, the inner diameter of the bag-shaped member 20 is formed to be slightly larger than the outer diameter of the insertion portion 55.
  • the bag-shaped member 20 covers the outer surface 55 g of the insertion portion 55 from the tip to the proximal end side when the endoscope tip cover 10 is attached to the outer peripheral surface 51 g of the tip portion 51. It is a thing. Further, the base end of the bag-shaped member 20 is watertightly and airtightly connected to the base end member 23.
  • the outer surface 55 g of the insertion portion 55 is covered by the bag-shaped member 20, the inner surface 20n of the bag-shaped member 20 and the outer surface (outer surface) 55 g of the insertion portion 55 are separated from each other independently of the channel 60. , As shown in FIGS. 1 and 10, a space K is formed.
  • the bag-shaped member 20 comes into close contact with the outer surface 55 g after the gas in the space K is discharged.
  • the base end member 23 is detachable from the tip portion 51 side with respect to the outer surface 56 g of the operation portion 56, and is in close contact with the outer surface 56 g in a completely watertight and airtight manner. It has an O-ring 24 which is a part. The base end of the space K is closed by the O-ring 24.
  • the bag-shaped member 20 is in close contact with the outer surface 55 g, the contact of the O-ring 24 with respect to the outer surface 56 g does not have to be completely watertight or airtight. Further, as described above, the base end of the bag-shaped member 20 is watertightly and airtightly connected to the tip end of the base end member 23.
  • the base end member 23 has a base 23a forming a fluid suction pipe line communicating with the space K.
  • the other channel 40 is inserted into the channel 60 from the tip opening 60i of the channel 60 when the sheath body 2 is attached to the endoscope 50.
  • the tip of the other channel 40 at one end is connected to the through hole 13h of the light transmitting plate 13.
  • the tip opening 40i is exposed on the surface 13a of the translucent plate 13.
  • the base end, which is the other end of the other channel 40, is located at the treatment tool insertion port 56a through the conduit 60a.
  • the suction valve unit 3 is detachable from the endoscope 50, and is a branch tube 31 which is a flow path communicating the space K and the outside of the space K, and a suction pipeline connecting member to which one end of the branch tube 31 can be connected.
  • 32 a connecting tube 33 that constitutes a fluid suction pipeline and one end of which can be connected to the suction pipeline connecting member 32, and a suction valve 34 whose other end of the connecting tube 33 is a connectable pipeline switching portion.
  • a main part is provided with a connection tube 35 constituting a fluid suction pipe, one end of which is freely connectable to the suction valve 34 and the other end of which is connectable to the suction device pipe 71.
  • the other end of the branch tube 31 is detachably configured on the base 23a. Further, after one end of the branch tube 31 is connected to the suction pipe connecting member 32, the branch tube 31 communicates with the flow path 32r inside the suction pipe connecting member 32.
  • the suction conduit connecting member 32 is removable from the treatment tool insertion port 56a, and after mounting, the internal flow path 32r communicates with the other channel 40. Further, the suction conduit connecting member 32 is provided with a lid that closes the opening 32i for inserting the treatment tool.
  • the operator can insert and remove the treatment tool into the other channel 40 through the opening 32i and the flow path 32r.
  • the connecting tube 33 communicates with the flow path 32r after being connected to the suction pipe connecting member 32.
  • the suction valve 34 includes a housing 34c that can be attached to and detached from the cylinder 56b, and a piston 34a and a spring 34b that are pipeline changeover switch buttons provided in the housing 34c. There is.
  • the piston 34a is formed with a leak opening 34h that communicates with the outside of the housing 34c.
  • the piston flow path is formed.
  • the connecting tube 35 communicates with the outside through 34ar and the opening 34h.
  • the opening 34h is not closed and the piston 34a is When not pressed, the suction pump 70 sucks air outside the endoscope 50 through the suction device conduit 71, the connecting tube 35, the piston flow path 34ar, and the opening 34h.
  • the suction pump 70 uses the suction device conduit 71, the connecting tube 35, and the piston flow. After sucking the fluid in the space K through the path 34ar, the connecting tube 33, the flow path 32r, the branch tube 31, and the base 23a, the suction device conduit 71, the connecting tube 35, the piston flow path 34ar, the connecting tube 33, the flow path 32r, The inside of the subject is sucked through the other channel 40 and the tip opening 40i.
  • the suction valve 34 is in a state in which the branch tube 31, the connecting tube 33 and the connecting tube 35 are communicated with each other by an external operation, and then the other channel 40 is communicated with the connecting tube 33 and the connecting tube 35. It is configured to switch to.
  • the suction valve 34 may have a configuration in which the space K is sucked when only the opening 34h is closed, and when the opening 34h is closed and the piston 34a is pushed in, the suction valve 34 is switched to suction using another channel 40. No.
  • FIG. 12 is a diagram showing a part of an endoscope cover system showing a configuration of a modified example of the suction valve of FIG. 3 in a cross section.
  • one end of the branch tube 31 is connected to the suction valve 34, and the branch tube 31 is communicated with the constant connection tube 35 and the opening 34h. It may be configured.
  • the suction pump 70 allows the fluid in the space K to pass through the suction device pipeline 71, the connecting tube 35, the piston flow path 34ar, the branch tube 31, and the base 23a. Suction.
  • the connecting tube 35 communicates only with the connecting tube 33 through the piston flow path 34ar, so that the suction pump 70 has the suction device pipeline 71 and the connecting tube 35. , The piston flow path 34ar, the connecting tube 33, the flow path 32r, the other channel 40, and the tip opening 40i, the inside of the subject is sucked.
  • the insertion portion 55 is inserted into the subject while the endoscope cover 1 is attached to the endoscope 50.
  • the endoscope tip cover 10 is attached to the tip portion 51, and the outer surface 55 g of the insertion portion 55 is covered with the bag-shaped member 20.
  • a suction valve 34 was attached to the cylinder 56b, a suction pipeline connecting member 32 was attached to the treatment tool insertion port 56a, a branch tube 31 was connected to the mouthpiece 23a, and a connecting tube 35 was connected to the suction device pipeline 71. Later, the insertion section 55 is inserted into the subject.
  • the suction pump 70 causes the suction device pipeline 71, the connecting tube 35, the piston flow path 34ar, the connecting tube 33, the flow path 32r, and the branch tube. 31.
  • the fluid in the space K is sucked through the base 23a.
  • the bag-shaped member 20 sucked by the fluid in the space K automatically adheres to the outer surface 55 g of the insertion portion 55.
  • the suction valve 34 is removed from the cylinder 56b, the suction pipe connecting member 32 is removed from the treatment tool insertion port 56a, and the branch tube 31 is removed from the base 23a.
  • the endoscope tip cover 10 is removed from the tip 51.
  • the outer surface 55 g of the insertion portion 55 inserted into the subject is covered with the bag-shaped member 20, the outer surface 55 g is not contaminated, and the other channels 40 are connected to the channel 60. Since the channel 60 is not contaminated, it is not necessary to wash the channel 60 by an operator, and only a simple cleaning and disinfecting treatment using a known endoscopic cleaning and disinfecting device may be performed.
  • the bag-shaped member 20 can be easily and easily attached to the outer surface 55 g of the insertion portion 55 without using a dedicated jig as in the conventional case. Can be brought into close contact with.
  • the suction operation can be performed only by pushing the piston 34a of the suction valve 34 and closing the opening 34h, the suction button 92 (see FIG. 13) provided on the cylinder 56b of the endoscope 50, which will be described later, is used.
  • Suction can be performed by substantially the same operation as the suction operation used. From this, the operator does not need to change the operation method related to suction even if the endoscope cover 1 is attached. Furthermore, since the position of the suction valve 34 is the same as that of the suction button 92, it is easy to use.
  • the outer surface 55 g of the insertion portion 55 is not covered with the bag-shaped member 20, that is, the suction valve unit 3 is not used, and the first endoscope tip cover is covered. 11. It can also be used in a configuration that does not use the sheath body 2 other than the second endoscope tip cover 12.
  • FIG. 13 is a diagram showing the state of the endoscope cover system, in which only the endoscope tip cover is attached to the endoscope, with a partial cross section.
  • FIG. 14 is a partial cross-sectional view showing a state in which the opening of the suction button of FIG. 13 is closed by the operator's finger
  • FIG. 15 is a partial cross-sectional view showing a modified example of the suction button of FIG. 13 without using a spring
  • FIG. 16 is a partial cross-sectional view showing a state in which the opening of the suction button of FIG. 15 is closed by the operator's finger.
  • FIG. 17 is a partial perspective view of the endoscope cover system showing an enlarged portion of the portion surrounded by the line XVII in FIG. 13, and FIG. 18 is an internal view from the tip of the insertion portion of the endoscope in FIG. A partial perspective view showing a state in which the endoscope tip cover is removed, FIG. 19 is an exploded perspective view of the endoscope tip cover of FIG.
  • the endoscope cover system 100 in this case is mainly composed of the endoscope 50 and the endoscope tip cover 110.
  • the suction port 58a is removable from the suction pump 70. That is, in the endoscope cover system 100, the channel 60 and the suction valve unit 3 are selectively detachable with respect to the suction pump 70.
  • suction button 92 is detachable from the cylinder 56b via the spring 92b.
  • the suction button 92 and the suction valve 34 are selectively detachable with respect to the cylinder 56b.
  • the suction button 92 is operated by the operator when sucking a solid, liquid, or the like in the subject through the channel 60.
  • the suction button 92 has a piston flow path 92ar only on the suction pump 70 side of the cylinder 56b of the channel 60 when the opening 92h is not closed and the piston 92a is not pushed. Communicate with. That is, the suction pump 70 communicates with the outside through the channel 60, the piston flow path 92ar, and the opening 92h.
  • suction button 92 may have a configuration that does not use the spring 92b, as shown in FIGS. 15 and 16.
  • the suction pump 70 may be configured to suck the subject through the piston flow path 92ar and the channel 60 without the need to push the suction button 92.
  • the rubber stopper 59 is removable from the treatment tool insertion slot 56a. That is, in the endoscope cover system 100, the rubber stopper 59 and the suction conduit connecting member 32 are selectively detachable from the treatment tool insertion port 56a.
  • the endoscope tip cover 110 is composed of only the first endoscope tip cover 11 and the second endoscope tip cover 12.
  • the configuration, attachment, and detachment method of the first endoscope tip cover 11 and the second endoscope tip cover 12 are the same as described above.
  • the endoscope tip cover 110 is attached to the tip 51, the rubber stopper 59 is attached to the treatment tool insertion port 56a, and the suction button 92 is attached to the cylinder 56b.
  • the suction pump 70 is attached to the suction port 58a.
  • the suction operation is performed through the channel 60 by operating the suction button 92, and the fluid is also supplied from the nozzle 11n through the fluid supply channel 62 and the flow passage 12r by operating the button of the air supply / water supply button 91. Further, the treatment tool is also inserted and removed from the channel 60 by removing the lid of the rubber stopper 59.
  • the endoscope cover system 100 of the present embodiment can be used without covering 55 g of the outer surface of the insertion portion 55 with the bag-shaped member 20.
  • the configuration of the other endoscope cover system 100 is the same as the conventional one.
  • the endoscope cover 1 can be easily covered with the insertion portion 55 of the endoscope 50, and the usage mode of covering with the endoscope cover 1 and the usage mode of not covering with the endoscope cover 1 It is possible to provide one endoscope cover system 100 and one endoscope cover having a configuration that can be used in any of the above cases.
  • FIG. 20 is a view showing a part of the endoscope cover system configuration of the present embodiment in a cross section
  • FIG. 21 is a view showing the endoscope cover of FIG. 20 extracted
  • FIG. 22 is in FIG. 21. It is a partial perspective view of the endoscope cover system showing the part surrounded by the IIXII line in an enlarged manner.
  • the configuration of the endoscope cover system and the endoscope cover of the second embodiment is described in the endoscope cover system of the first embodiment shown in FIGS. 1 to 11 and 13 to 19 described above. Compared to the configuration of the endoscope cover, other channels are provided outside the insertion part.
  • the endoscope cover system 200 of the present embodiment is mainly composed of the endoscope 50 and the endoscope cover 201.
  • the endoscope cover 201 is removable from the endoscope 50, and is attached so as to cover at least the insertion portion 55 when attached.
  • the endoscope cover 201 includes a sheath body 202 and a suction valve unit 203 to form a main portion.
  • the sheath main body 202 includes an endoscope tip cover 10, a bag-shaped member 20, a base end member 23, and another channel 40'to form a main portion.
  • the configuration of the endoscope tip cover 10, the bag-shaped member 20, and the base end member 23 is the same as that of the first embodiment described above.
  • the other channel 40' is extended in parallel to the outside of the insertion portion 55 as shown in FIGS. 20 and 22 when the sheath body 202 is attached to the endoscope 50.
  • the other channel 40' is a frame in which the tip at one end is adjacent to the translucent plate 13 and supports the translucent plate 13, for example, the outer periphery of the first endoscope tip cover 11. It is attached to the surface via a flexible connecting member 230.
  • the base end which is the other end of the other channel 40', is connected to the suction pipeline connecting member 232, which will be described later.
  • the suction valve unit 203 is detachable from the endoscope 50, and can be connected to the branch tube 31, the suction pipe connecting member 232 to which one end of the branch tube 31 can be connected, and the suction pipe connecting member 232 to which one end can be connected.
  • the other end of the branch tube 31 is detachably configured on the base 23a. Further, after one end of the branch tube 31 is connected to the suction pipe connecting member 232, the branch tube 31 communicates with the flow path 232r inside the suction pipe connecting member 232.
  • the suction pipeline connecting member 232 is removable from the treatment tool insertion port 56a. Further, the suction pipeline connecting member 232 communicates with another channel 40'to which the flow path 232r is connected. Further, the suction conduit connecting member 232 is provided with a lid that closes the opening 232i for inserting the treatment tool.
  • the operator can insert and remove the treatment tool into the other channel 40'through the opening 232i and the flow path 232r.
  • the connecting tube 33 communicates with the flow path 232r after being connected to the suction pipe connecting member 232.
  • the configuration of the suction valve 34 is the same as that of the first embodiment described above. That is, in the state where the connecting tube 35 is connected to the suction device pipeline 71 and the suction pump 70 is driven, on the other hand, when the opening 34h is not closed and the piston 34a is not pressed, The suction pump 70 sucks air outside the endoscope 50 through the suction device conduit 71, the connecting tube 35, the piston flow path 34ar, and the opening 34h.
  • the suction pump 70 uses the suction device conduit 71, the connecting tube 35, and the piston flow. After sucking the fluid in the space K through the path 34ar, the connecting tube 33, the flow path 32r, the branch tube 31, and the base 23a, the suction device conduit 71, the connecting tube 35, the piston flow path 34ar, the connecting tube 33, the flow path 32r, The inside of the subject is aspirated through the other channel 40'.
  • the suction valve 34 communicates with the branch tube 31, the connecting tube 33, and the connecting tube 35 through the piston flow path 34ar by an external operation, and then connects with the other channel 40'. It is configured to switch to a state in which it communicates with the tube 35.
  • FIG. 23 is a diagram showing a part of an endoscope cover system showing a configuration of a modified example of the suction valve of FIG. 20 in a cross section.
  • one end of the branch tube 31 is connected to the suction valve 34 via the connecting tube 33, and the branch tube 31 is connected.
  • the configuration may be such that the connection tube 35 and the opening 34h are communicated with each other via the piston flow path 34ar, and the base end of the other channel 40'is directly connected to the suction valve 34.
  • the sealing plug 232' is detachable from the treatment tool insertion port 56a.
  • the suction pump 70 when the opening 34h is closed, the suction pump 70 has a space through the suction device pipeline 71, the connecting tube 35, the piston flow path 34ar, the connecting tube 33, the branch tube 31, and the base 23a. Aspirate the fluid of K.
  • the connecting tube 35 communicates only with the other channel 40'through the piston flow path 34ar, so that the suction pump 70 can be used as the suction device pipeline 71, etc.
  • the inside of the subject is sucked through the channel 40'.
  • the insertion portion 55 is inserted into the subject while the endoscope cover 201 is attached to the endoscope 50.
  • the endoscope tip cover 10 is attached to the tip portion 51, and the outer surface 55 g of the insertion portion 55 is covered with the bag-shaped member 20.
  • the suction valve 34 is attached to the cylinder 56b, the sealing plug 232'is attached to the treatment tool insertion port 56a, the branch tube 31 is connected to the base 23a, and the connection tube 35 is connected to the suction device pipeline 71.
  • the insertion portion 55 is inserted into the subject.
  • the suction pump 70 creates a space through the suction device pipeline 71, the connecting tube 35, the piston flow path 34ar, the connecting tube 33, the flow path 232r, the branch tube 31, and the base 23a.
  • the fluid of K is sucked.
  • the bag-shaped member 20 automatically adheres to the outer surface 55 g of the insertion portion 55.
  • the suction valve 34 is removed from the cylinder 56b, the sealing plug 232'is removed from the treatment tool insertion port 56a, and the branch tube 31 is removed from the port 23a. After removing, the endoscope tip cover 10 is removed from the tip portion 51.
  • the entire endoscope cover 201 is discarded, and the endoscope 50 is cleaned, disinfected and sterilized.
  • the outer surface 55 g of the insertion portion 55 inserted into the subject is covered with the bag-shaped member 20, the outer surface 55 g is not contaminated, and other If suction is performed using the channel 40'of the above, the channel 60 will not be soiled. good.
  • the outer surface 55 g of the insertion portion 55 is not covered with the bag-shaped member 20, that is, the suction valve unit 203 is not used, and the tip of the first endoscope is not used. It can also be used in a configuration in which the sheath body 202 other than the cover 11 and the second endoscope tip cover 12 is not used.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Biomedical Technology (AREA)
  • Optics & Photonics (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • Biophysics (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Endoscopes (AREA)

Abstract

La présente invention concerne un système de gaine pour endoscope (100) comprenant : un endoscope (50) comprenant une partie d'insertion (55), une partie d'actionnement (56) et un canal (60) ; et une gaine pour endoscope (1). La gaine pour endoscope (1) comprend : un corps de gaine (2) ; un tube de ramification (31) ; un tube de jonction (33) et un tube de raccordement (35) ; et une vanne d'aspiration (34) conçue de sorte que le tube de ramification (31), le tube de jonction (33) et le tube de raccordement (35) sont amenés à communiquer, puis le canal (60), le tube de jonction (33) et le tube de raccordement (35) sont commutés à un état de communication.
PCT/JP2020/016114 2020-04-10 2020-04-10 Système de gaine pour endoscope et gaine pour endoscope WO2021205649A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/016114 WO2021205649A1 (fr) 2020-04-10 2020-04-10 Système de gaine pour endoscope et gaine pour endoscope

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2020/016114 WO2021205649A1 (fr) 2020-04-10 2020-04-10 Système de gaine pour endoscope et gaine pour endoscope

Publications (1)

Publication Number Publication Date
WO2021205649A1 true WO2021205649A1 (fr) 2021-10-14

Family

ID=78023092

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2020/016114 WO2021205649A1 (fr) 2020-04-10 2020-04-10 Système de gaine pour endoscope et gaine pour endoscope

Country Status (1)

Country Link
WO (1) WO2021205649A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337030A (ja) * 1989-07-04 1991-02-18 Asahi Optical Co Ltd 内視鏡用シース装置
US5702348A (en) * 1996-07-24 1997-12-30 Vision-Sciences, Inc. Disposable endoscopic sheath support and positioning assembly
JPH11155807A (ja) * 1997-12-01 1999-06-15 Olympus Optical Co Ltd 軟性内視鏡用灌流シース
JP2004016393A (ja) * 2002-06-14 2004-01-22 Pentax Corp 内視鏡の挿入部に対する汚染防止シースの被覆方法

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0337030A (ja) * 1989-07-04 1991-02-18 Asahi Optical Co Ltd 内視鏡用シース装置
US5702348A (en) * 1996-07-24 1997-12-30 Vision-Sciences, Inc. Disposable endoscopic sheath support and positioning assembly
JPH11155807A (ja) * 1997-12-01 1999-06-15 Olympus Optical Co Ltd 軟性内視鏡用灌流シース
JP2004016393A (ja) * 2002-06-14 2004-01-22 Pentax Corp 内視鏡の挿入部に対する汚染防止シースの被覆方法

Similar Documents

Publication Publication Date Title
US5133336A (en) Disposable liquid supply system for use in an endoscope
JP2000171730A (ja) バッテリ式携帯内視鏡装置
US5722933A (en) Channeled endoscope cover fitted type endoscope
JP6023923B2 (ja) 挿入機器の洗浄具
JP2971608B2 (ja) 内視鏡洗浄消毒装置
WO2021205649A1 (fr) Système de gaine pour endoscope et gaine pour endoscope
US20220151468A1 (en) Distal end cover for endoscope and endoscope apparatus
JPH08196505A (ja) 内視鏡用管路切換え装置
JP3645010B2 (ja) 内視鏡洗滌装置
JP2001061773A (ja) 内視鏡用弁装置及び弁付送水チューブ並びに内視鏡システム
JPH05103752A (ja) 内視鏡
JP2009195618A (ja) 内視鏡用シース
JP3376852B2 (ja) 内視鏡装置
JP2602873Y2 (ja) 内視鏡カバー方式の内視鏡装置
JP3362957B2 (ja) 内視鏡
JP3794813B2 (ja) 内視鏡用鉗子栓
KR102615955B1 (ko) 내시경 2 채널 동시 자동 세척기
JP2014057637A (ja) 内視鏡洗浄消毒システム
RU2523354C2 (ru) Устройство управления текучими средами в эндоскопе и эндоскоп
JP3729972B2 (ja) 管路分離型内視鏡装置
JP5289524B2 (ja) 通気アダプター、内視鏡保管具、及び内視鏡の滅菌方法
JP3893183B2 (ja) 内視鏡
JP3729971B2 (ja) 管路分離型内視鏡装置
JPH066102B2 (ja) 内視鏡の送気送液装置
JPH10225431A (ja) 管路分離型内視鏡装置

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20930526

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20930526

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: JP