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
  • A61B1/012—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
  • A61B1/0125—Endoscope within endoscope
• • 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
  • A61B1/00066—Proximal part of endoscope body, e.g. handles
• • 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
  • A61B1/00131—Accessories for endoscopes
  • A61B1/00137—End pieces at either end of the endoscope, e.g. caps, seals or forceps plugs
• • 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
  • A61B1/00163—Optical arrangements
• • 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
  • A61B1/005—Flexible endoscopes
  • A61B1/0051—Flexible endoscopes with controlled bending of insertion part
  • A61B1/0057—Constructional details of force transmission elements, e.g. control wires
• • 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
  • A61B1/04—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 combined with photographic or television appliances
  • A61B1/05—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 combined with photographic or television appliances characterised by the image sensor, e.g. camera, being in the distal end portion

Definitions

• the present invention relates to a secondary endoscope attachable to a mother endoscope.
• the present invention also relates to a combination of a mother endoscope and a secondary endoscope.
• a bendable end of a catheter that is a so-called deflecting section
• pivoting a control element wherein the movement of the deflecting section exactly follows the movement of the control element.
• the transmission of a pivoting movement of a control element to a bending movement of the deflecting section should be as accurate as possible.
• the transmission of a pivoting movement of a control element to a bending movement of the deflecting section should be simple and clear to the user.
• the object of the present invention is to provide an improved secondary endoscope attachable to a mother endoscope.
• a combination of a mother endoscope and a secondary endoscope is shown in claim 11.
• An alternative combination of a mother endoscope and a secondary endoscope is shown in claim 12.
• the invention thus relates to an attachable to a mother endoscope secondary endoscope with a handle body; a catheter attached to the handle body; a control member on the proximal side of the handle body for controlling a deflecting portion (bending portion) disposed at the distal end of the catheter; and a mounting terminal on the distal side of the handle body for fixing the secondary endoscope to a mother endoscope.
• the handle body as the base element of the secondary endoscope has the control element on the proximal side and the mounting connection to the mother endoscope on the distal side.
• the control is easy to operate by the user as it stretches out to him.
• the handle body may comprise a catheter channel for guiding the catheter.
• the catheter channel may be an internal channel inside the handle body.
• the catheter including the deflecting section, can be pushed through by the control element which controls the deflection movement of the deflecting section.
• the inner channel can be arranged concentrically in the handle body. The stability of the entire device is not affected.
• the proximal end of the control member may include a proximal input port of the catheter channel.
• the proximal input opening of the catheter channel in the handle body may have a funnel-like insertion opening as an insertion aid. A secure guidance of the catheter to be passed through is thereby made possible.
• the proximal end of the catheter may be attached to the distal side of the handle body.
• the proximal end of the catheter may be attached to the outside of the handle body.
• the path from the point of attachment of the catheter to the handle body to the proximal inlet opening of the catheter channel can thus be made short, wherein the handle body can be constructed as such short, even if a catheter connection portion extends on the handle body in the distal direction.
• the distal end of the handle body may comprise a mounting body for mounting on the mother endoscope, wherein the mounting body has a portion of the catheter channel for guiding the catheter.
• the mounting body may be provided with a mark informing about the assembled or disassembled state.
• the mounting body may be a male luer connector, a screw fastener, a bayonet lock or a snap-fit connector.
• the control element can be pivotable for pivoting the deflecting section and can be provided on its proximal side with markings which inform about the pivoting direction of the deflecting section.
• the control element is thus a pivoting section, which is supported on a head section of the base body and is pivotable relative to the head section of the base body for effecting a deflection movement.
• the control element is thus pivotable and by its pivotal movement becomes the Deflectingab mustard controlled.
• the control may be lockable to lock a deflection position of the control.
• the control can be a joystick.
• a combination of mother endoscope and secondary endoscope according to the invention is provided with a mother endoscope having an access port for a secondary endoscope on the distal side of a mother endoscope handle; and a secondary endoscope detachably mounted to the access port with a secondary endoscope handle and a catheter; wherein the catheter of the secondary endoscope is guided by a catheter channel of the secondary endoscope handle; wherein the distal end of the secondary endoscope handle is detachably mounted on the access port of the parent endoscope; wherein in the mounted position, the secondary endoscope is detachably mounted on the mother endoscope handle on the proximal side of the access port of the parent endoscope; wherein at the secondary endoscope a catheter entrance opening is positioned proximally from the mounting location of the secondary endoscope.
• the secondary endoscope handle may further include an additional channel input port on the proximal side, and a fluid input port on the distal side.
• FIG. 1 shows a schematic sectional view of a secondary endoscope of a first embodiment in the undeflected state.
• Figure 2 shows a schematic sectional view of the secondary endoscope in a deflection to the left.
• Figure 3 shows a schematic sectional view of the secondary endoscope in a deflection to the right.
• FIG. 4 shows details of the connection of the wire bodies to the control element and how the wire bodies are guided to the catheter tube in a schematic, perspective cutout-like illustration.
• Figure 5 shows a schematic sectional view of the secondary endoscope of the first embodiment, wherein the catheter tube is guided by the Sekundary- doskop and is not deflected.
• Figure 6 shows a schematic sectional view of the secondary endoscope, wherein the catheter tube is guided by the secondary endoscope and a deflection is made to the left.
• Figure 7 shows a schematic sectional view of the secondary endoscope, wherein the catheter tube is guided by the secondary endoscope and a deflection is made to the right.
• Figure 8 shows a schematic sectional view of a secondary endoscope of a second embodiment, wherein the catheter tube is guided by the secondary endoscope and is not deflected.
• Figure 9 shows a schematic sectional view of the secondary endoscope of the second embodiment, wherein the catheter tube is guided by the secondary endoscope and a deflection has been made to the left.
• Figure 10 shows a schematic sectional view of the secondary endoscope of the second embodiment, wherein the catheter tube is guided by the secondary endoscope and a deflection is made to the right.
• FIG. 11 shows a schematic sectional view of the secondary endoscope of the second embodiment, wherein on the distal side of the handle body, a mounting body for mounting on the mother endoscope sits.
• FIG. 12 shows a schematic representation in partial section of a combination of a mother endoscope and the secondary endoscope according to the invention.
• the first embodiment shows a secondary endoscope according to the invention, in which an endoscope-deflecting control is accomplished by a control element.
• this secondary endoscope consists of a control element 1, a plurality of wire bodies 2, a rod element 3 as base element, a rod element holder 4, a catheter tube 5 and a deflecting section 6.
• the control element 1 consists of a hollow cylindrical element with a control head 12, on the underside of which a hollow rod 13 is arranged centrally, which merges into a hollow spherical section 11 on the outer surface of which the wire bodies 2 are anchored.
• the hollow sphere section 11 is open on its side facing away from the head 12. In particular, the opening on the hollow sphere section 11 is such that the hollow sphere section 11 constitutes approximately 9/10 of a sphere of which approximately 1/10 is cut off.
• the control element 1 is of rotationally symmetrical design and has an inner channel 16 which extends concentrically through the head 12, the hollow rod 13 and the hollow spherical section 11.
• the inner channel 16 is widened in the head 12 in such a way that its inner diameter increases towards the side of the head 12 facing away from the hollow spherical section 11, as shown in FIG.
• the Inner channel 16 of the head 12 a funnel-like entrance opening, which in Fig. 1 is shown on the left side of the inner channel 16.
• the funnel-like inlet opening of the inner channel 16 makes it easier to introduce the deflecting section 6 into the inner channel 16.
• the control element 1 is made of a plastic material.
• the control element 1 is seated as a joystick on a head 31 of the rod element 3.
• the hollow ball portion 11 of the control element 1 is seated on a counter ball portion 31, which forms the head of the rod element 3.
• the counter ball portion 31 is formed such that it has a spherical shape in such a size that the seated hollow ball portion 11 is easily movable.
• the dimensional relationship between the counter ball portion 31 and the hollow ball portion 11 are such that a relative movement of the control element 1 to the rod member 3 without great effort of the user is possible, but on the other hand, the hollow ball portion 11 is not loose on the counter ball portion 31 sits.
• the rod member 3 has a longitudinal cylinder 32 which merges at its distal side in the counter ball portion 31 and at its distal end portion has a screw 34, which is prepared in the present embodiment as a square socket. Distally from the square end 34, the rod element 3 has an external thread section 33 on its outer cylindrical surface. The rod element 3 is rotationally symmetrical and has in its interior an inner channel 35 concentrically running through the counter ball section 31, the longitudinal cylinder 32 and the square end 34. Incidentally, the counter ball portion 31, the longitudinal cylinder 32 and the square end 34 are constructed as a one-piece rod member.
• the longitudinal cylinder 32 of the rod member 3 is formed with the exception of the provided thereon threaded portion 33 as a cylinder with a smooth outer surface.
• the inner channel 35 has a funnel-like entrance opening, which in FIG. 1 is shown on the left side of the inner channel 35.
• the funnel-like inlet opening of the inner channel 35 is the outlet opening. tion of the inner channel 16 on the hollow ball section 11 and facilitates it to introduce the Deflectingabites 6 in the inner channel 35.
• the rod element 3 is seated in a rod element holder 4.
• the rod element holder 4 forms the handle body of the secondary endoscope and consists of a cylindrical element 42 which is of rotationally symmetrical design and has a central inner channel.
• the cylinder element 42 has, in particular, a cavity pointing toward the control element 1 and a base on the side of the bar element holder 4 facing away from the control element 1. More specifically, the bottom of the rod element holder 4 has the concentric inner channel. In the concentric inner channel an internal thread 41 is worked out.
• the external thread 33 of the rod element 3 is seated on the internal thread 41 of the rod element holder 4, wherein the rod element 3 can be screwed concentrically into or out relative to the rod element holder 4 by a screwing movement.
• a corresponding tool in the square end 34 of the rod element 3 is used.
• Other relative motion techniques are possible, as illustrated under "Alternatives" at the end of the description.
• the cylindrical member 42 of the rod member holder 4 On its outer peripheral side, the cylindrical member 42 of the rod member holder 4 has a catheter connecting member 43.
• the catheter connecting member 43 extends at an acute angle relative to the cylindrical member 42 of the rod member 4, as shown in the drawings.
• the catheter connection element 43 has been designed as a round hollow profile, which is quasi a Kanala broughte Trent from the distal cavity of the cylinder member 42.
• the catheter connection element 43 is designed like a cylinder, wherein it tapers in the direction away from the cylinder element 42.
• the catheter connection element 43 has a concentric channel, in which the wire bodies 2 are guided.
• the catheter connection element 43 has a circular mouth.
• the catheter connection element 43 of the catheter tube 5 is attached.
• the proximal end 51 of the catheter tube 5 sits at the mouth of the catheter connection element 43.
• the catheter tube has a ring 52 received in it.
• the ring 52 forms the distal end of the catheter tube and the transition to the deflecting section 6.
• the deflecting portion 6 is a bendable body which is made in known manner from an elastic material.
• the deflecting section has a deflecting connection 61 to which it is connected to the ring 52 of the catheter tube 5.
• the deflecting section has a deflecting cap 62 on which a camera, a laser and / or a camera etc. are arranged. Further functional units can be integrated on the deflecting cap 62.
• FIG. 4 shows details of the connection of the wire bodies to the control element and how the wire bodies are guided to the catheter tube in a schematic, perspective cutout-like illustration.
• the front left wire body 2 has been omitted.
• a plurality of Einhfitausbauchungen 14 are provided on the outer peripheral surface of the hollow spherical portion 11 at the equatorial line of the hollow spherical section 11.
• four Einhssenausbauriumen 14 are provided at the equator of the hollow ball section 11.
• the Einhssenausbauchungen 14 on the hollow ball portion 11 molded in cross-section circular depressions with a bottom, the bottom is approximately perpendicular to a bore direction of the Einhticianausbauchung 14 and are more precisely perpendicular to the equatorial line perpendicular to the equator of the hollow spherical section 11.
• the Einhticianausbaurium 14 of the hollow ball section 11 can be drilled from the proximal side, so that the EinhCodeausbaurium arises as a laterally open blind hole on the outer peripheral surface of the hollow spherical section 11. Any other manufacturing methods are conceivable here.
• the outer diameter of the EinhCodeausbauchung 14 is selected such that a barrel nipple 21 of the wire body 2 in the EinhCodeausbauchung 14 fits.
• a channel 15 is designed as DrahtShemblung which extends coaxially to the longitudinal extent of the control element 1 and has a diameter which is larger than the outer diameter of the wire body 2, but smaller as the outer diameter of the barrel nipple 21 of the wire 2 is.
• the hanging-in bulge 14 and the wire-body suspension 15 are provided on the bicycle in a manner similar to that used for suspension of the bicycle, so that a barrel nipple 21 of a wire body 2 can be suspended therein.
• the barrel nipple forms the proximal end of the wire body 2 in the suspended state of the wire body 2.
• wire body 2 In the present embodiment, four wire body 2 are provided, of which in the figures 1 to 3 each two wire body, that is, the wire body 2a and the wire body 2b, are shown.
• the number of wire bodies 2 is not limited here. It may be a wire body 2, 2, 3, 4 or more wire body may be provided. If two or more wire bodies 2 are provided, the corresponding Einhticianausbauchungen 14 are evenly spaced from each other at the equator of the hollow spherical section 11.
• the cylinder member 42 has at its proximal end that is at its end facing the control element 1, the opening to the cylinder element cavity.
• a Draht Economics- rung ring 7 is inserted so that the proximal surface, that is, the control element 1 facing surface of the wire guide ring 7 to the proximal, that is pointing to the control element 1, face of the cylinder member 42 is aligned.
• the wire guide ring 7 is provided with tangential slots in the same number as wire guides 2 are present, as shown in Figure 4. In the slots wire guide holes 71 are drilled, which extend coaxially to the common axis of the control element 1, rod element 4 and the cylinder member 42 of the rod element holder 4.
• each Einhticianausbauchung 14 to the central axis of the control element 1 is the same as the radial distance between the wire guide hole 71 and the central axis of the wire guide ring 7th
• the wire bodies 2 are passed through the catheter tube 5 and through the ring 52 of the catheter tube and are anchored to the deflecting cap 62 of the deflecting section 6.
• the wire bodies 2 are anchored to the deflecting cap 62 so that they are evenly spaced apart and arranged in the same order as on the hollow ball portion 11, that is, fixed.
• the ring 52 has openings for the wire body 2 in a corresponding manner as in the embodiment of the wire guide ring 7.
• the control element 1 is constructed as a joystick and can be operated as such, wherein its hollow ball portion 11 can be moved on the counter ball portion 31 of the rod element 3.
• a pivoting operation of the joystick 1 relative to the rod element 3 in any direction is possible.
• the direction and extent of the deflection movement of the joystick 1 relative to the rod element 3 is then transmitted through the wire body 2 arranged on the deflecting cap 62 onto the deflecting section 6 designed as a bendable body.
• the deflecting portion makes a leftward movement as shown in FIG.
• the deflecting portion performs a rightward movement, as is the case in FIG.
• the control element 1 is set straight before insertion of the deflecting section 6, so that the deflecting section 6 and the section of the catheter tube 5 adjoining the deflecting section 6 are aligned straight.
• the distal end (at the Deflectingkappe 62) of Deflectingabitess 6 is inserted into the funnel-like inlet opening of the inner channel 16 in the control 1, pushed through the inner channel 16, inserted into the funnel-like inlet opening of the inner channel 35 in the rod member 3 and pushed through the inner channel 35, until the Deflectingabrough 6 at the to the funnel-like Entrance opening of the inner channel 35 opposite outlet opening of the inner channel 35 emerges.
• the deflecting section 6 When the deflecting section 6 has reached its intended operating position pushed through the secondary endoscope, the deflecting section 6 can be brought into the desired pivoting position by pivoting the control element 1 in the desired direction and to the desired extent.
• the control element 1 as a joystick can pivot in all directions and thus the deflecting section 6 can pivot not only to the right and left, but in all directions.
• the second embodiment shows a secondary endoscope in which an endoscope-doping control is accomplished by a control element.
• This secondary endoscope also consists in the present embodiment of a control 100, a plurality of wire bodies (not shown in the drawings) in a similar manner as in the first embodiment, a rod member 300 as a base member, a rod member holder 400, a catheter tube 500 and a Deflectingabrough 600th
• the control element 100 consists of a cylinder-like element with a control head 120, on the underside of which a rod section 130 is arranged centrically.
• the rod portion 130 has a foot portion 110 at the end opposite to the control head 120.
• the rod portion 130 has a constant outer diameter.
• the foot portion 110 has an outer diameter which increases in the direction opposite to the control head 120 direction.
• the control element 100 is rotationally symmetrical and has an inner channel 160 extending through the head 120, the rod portion 130 and the foot portion 110 extends concentrically.
• the inner channel 160 is widened in the head 120 such that its inner diameter increases toward the side facing the foot section 110, as shown in FIG.
• the inner channel 160 of the head 120 has a funnel-like entrance opening, which is shown in Fig. 9 on the left side of the inner channel 160.
• the funnel-like entrance opening of the inner channel 160 makes it easier to introduce the deflecting section 600 into the inner channel 160.
• the funnel-like entrance opening of the inner channel 160 is rounded so that it has no sharp edges.
• the control 100 pivots relative to the rod member 300; therefore, the foot portion 110 of the control member 100 is referred to as a pivot portion 110.
• the pivoting portion 110 has on the opposite side to the control head 120 an end surface formed as a foot surface 110A.
• the foot surface 110A is curved outward, that is to say, the foot surface 110A. opposite to the funnel-like inlet opening of the inner channel 160 having end face of the control head 120 arched outward away.
• the distance between the foot surface 110A measured in the longitudinal direction of the cylindrical control member 100 and the foot end face of the control head 120 increases from the outer periphery toward the center.
• the foot surface 110A therefore forms a portion of a spherical surface having a predetermined radius centered on the imaginary extended axis of the control member 100.
• the inner channel 160 has its exit opening.
• the inner channel 160 tapers in the region of the foot portion 110 and reaches its smallest inner diameter at the foot surface 110A.
• the inner channel 160 is rounded so that it has no sharp edges.
• the inner channel 160 has at this narrowest point an inner diameter, on the one hand still a safe sliding through the Deflectingabêtes 600 and the catheter tube 500 allows and on the other hand, a guide for the Deflecting section 600 and the catheter tube 500 forms when they are inserted through.
• the control element 100 is rotationally symmetrical, as can be seen in FIGS. 9-11.
• the control element 100 is made of a plastic material, but may also be made of metal.
• the foot surface 110A of the pivoting portion 110 faces an end surface 310A of a head portion 310 of the rod member 300, as shown in Figs. 9-11.
• the rod element 300 has a longitudinal cylinder 320, which merges into the head section 310 on its distal side and has a diameter extension 330 in the vicinity of its distal end section.
• the diameter extension 330 is provided as a cylinder portion having a larger outer diameter than in the portion between the head portion 310 and the diameter extension 330.
• the rod element 300 is rotationally symmetrical.
• the rod member 300 is thus a one-piece elongated member having the head portion 310, the longitudinal cylinder 320 and the diameter extension 330.
• the longitudinal cylinder 320 of the rod element 300 is formed with a smooth outer surface.
• the rod element 300 is rotationally symmetrical and has an inner channel 350 which extends concentrically through the head section 310, the longitudinal cylinder 320 and the diameter extension 330.
• the inner channel 350 is narrowed at the head portion 310.
• the inner channel 350 has on the end face 310A of the head portion 310 its input opening, at which the inner channel 350 has its smallest inner diameter.
• the inner channel 350 is rounded so that it has no sharp edges.
• the inner channel 350 Downstream of the inlet opening, the inner channel 350 has a uniform inner diameter which is larger than at the head portion 310. Also at the exit opening, the inner channel 350 is rounded, so that it has no sharp edges.
• the narrowing of the inside diameter at the head section 310 on the one hand still allows a safe sliding through the Deflectingabiteses 600 and the catheter tube 500 and on the other hand forms a guide for the Deflectingabrough 600 and the catheter tube 500 when they are inserted therethrough.
• the end face 310A is also arched outwardly toward the control member 100.
• the foot surface 110A rises from the outer periphery toward the center toward the control element 100.
• the end face 310A forms a portion of a spherical surface with a predetermined radius, the center of which lies on the imaginary extended axis of the rod element 300.
• the foot surface 110A and the end surface 310A face each other and are in contact with each other.
• the pivot portion 110 of the control member 100 is pivotally seated with its foot surface 110A on the end surface 310A of the head portion 310 of the rod member 300.
• the foot surface 110A may roll on the end surface 310A.
• the pivot portion 110 of the control element 100 and the head portion 310 of the rod member 300 lie on the same central axis, since in the non-pivoted state, the control element 100 and the rod element 300 are arranged coaxially with each other.
• the foot surface 110A and the end surface 310A touch each other at a circular line, as shown in FIG.
• the control member 100 is pivoted, as shown in Figs. 10 and 11, that is, the pivot portion 110 is inclined relative to the head portion 310 of the rod member 300, the foot surface 110A rolls on the end surface 310A.
• the control element 100 thus sits as a joystick on the head section 310 of the rod element 300.
• the rod element 300 is arranged in the rod element holder 400.
• the rod element holder 400 forms the handle body of the secondary endoscope and is formed as a cylinder element 420, which is rotationally symmetrical.
• the cylinder element 420 has, on the side facing the control element 100, a cavity and a bottom on the side of the bar element holder 400 facing away from the control element 100.
• the bottom of the rod element holder 400 has a concentric inner channel 410. In the concentric inner channel 410, a cavity is formed at a portion thereof, in which the diameter extension 330 of the rod member 300 is seated.
• the axial end faces of the cavity near the bottom of the rod member holder 400 form respective stops for the axial end faces of the diameter extension 330.
• the rod member 300 can not move axially relative to the rod member holder 400, or only with a slight play.
• the cylindrical member 420 of the rod member holder 400 has a catheter connecting member 430.
• the catheter connecting member 430 extends at an acute angle relative to the cylindrical member 420 of the rod member 400, as shown in the drawings.
• the catheter connection element 430 has been designed as a round hollow profile, which virtually represents a channel branch from the distal cavity of the cylinder element 420.
• the catheter connection element 430 is designed like a cylinder, wherein it tapers in the direction away from the cylinder element 420.
• the catheter connection element 430 has a concentric channel, in which the wire bodies are guided.
• the catheter connection element 430 has a circular mouth.
• the catheter tube 500 is attached.
• the proximal end 510 of the catheter tube 500 sits at the mouth of the catheter connection element 430.
• the catheter tube has a ring 520 received therein. The ring 520 forms the distal end of the catheter tube and the transition to the deflecting portion 600.
• the catheter tube 500 and the deflecting portion 600 are similarly constructed as the catheter tube 5 and the deflecting portion 6 of the first embodiment.
• the wire guide ring 700 has a further function in addition to its construction described in the first embodiment in the second embodiment.
• the wire guide ring 700 is constructed as in the first embodiment.
• the wire guide ring 700 of the second embodiment is longitudinally displaceable to the cylinder member 420 of the rod member holder 400.
• the cylinder element 420 of the rod element holder 400 has an axial longitudinal slot, not shown in the drawings, along which the fastening screw, which engages in the threaded bore 72 (FIG. 4) and can fix the wire guide ring 700 on the cylinder element 420 of the rod element holder 400, at different Positions can be tightened.
• the wires can here be tensioned by the ring member 700 is displaced in the axial direction into the cavity of the cylinder member 420 of the rod member holder 400 and then locked by locking.
• the angle of the deflection point of the wires at the outlet of the ring element 700 changes;
• the obtuse angle of the deflection point of the wires at the downstream end of the ring member 700 between the extension of the wires from the hooking point to the ring member 700 and the extension of the wires from Ring element 700 to the Käthe- terschlauch 500 reduced.
• small span lengths of the wires can be realized.
• the wire bodies are passed through the catheter tube 500 and through the ring 520 of the catheter tube and are anchored to the deflecting cap 620 of the deflecting section 600.
• the wire bodies are anchored to the deflecting cap 620 so as to be equally spaced from each other and arranged in the same order as the pivoting portion 110.
• the ring 520 has openings for the wire bodies in a similar manner as in the embodiment of the wire guide ring 700.
• each wire body from the point of attachment to the deflecting cap 620 to the point of attachment to the pivot portion 110 is always the same.
• control element 100 of the second embodiment can be actuated like a joystick, wherein the foot surface 110A of the hollow ball portion 110 rolls on the end face 310A of the head portion 310.
• a pivoting operation of the joystick 100 relative to the rod member 300 in any direction is possible.
• the direction and extent of the deflection movement of the joystick 100 relative to the rod element 300 is then transmitted through the wire body disposed on the deflecting cap 620 onto the deflectable portion 600 configured as a bendable body.
• the deflecting portion 600 makes a leftward movement as shown in FIG.
• the deflecting portion 600 makes a rightward movement as shown in FIG.
• the control element 100 is set straight prior to the insertion of the deflecting section 600, so that the deflecting section 600 and the section of the catheter tube 500 adjoining the deflecting section 600 are aligned straight.
• the distal end (on the deflecting cap 620) of the deflecting portion 600 is inserted into the funnel-like entrance opening of the inner channel 160 in the control element 100, pushed through the inner channel 160, inserted into the inlet opening of the inner channel 350 adjacent to the exit opening of the inner channel 160 in the rod element 300 and through the Inner channel 350 pushed therethrough until the Deflectingabêt 600 emerges at the opposite to the funnel-like inlet opening of the inner channel 350 output port of the inner channel 350.
• the deflecting portion 600 When the deflecting portion 600 has reached its intended operating position pushed through the secondary endoscope, the deflecting portion 600 can be brought into the desired position by pivoting the control member 100 in the desired direction and to the desired degree.
• the wire body 2 is suspended in the Einhticianausbauchung 14 shown in Figure 4 in the form of a barrel nipple 21.
• the invention is not limited to a barrel nipple and the nipple 21 may be embodied as a known bulb nipple, any similar nipple may be used.
• the shape of the Einhticianausbauchung 14 can be adapted to the selected nipple shape.
• the size of the hollow sphere portion 11 has been selected to be 9/10 of a sphere.
• the invention is not limited thereto. Any desired hollow spherical shape of the hollow spherical section 11 can be selected as long as it can still perform the pivoting movement on the counter ball section 31.
• the hollow sphere portion 11 may also have a hollow spherical ring portion shape which extends to a predetermined minimum parallel to the axial direction of the control element 1 on both sides of the equatorial line and forms quasi an equatorial band.
• the foot surface 10A is arched outward.
• the end surface 310A of the head portion 310 is curved outward. The invention is not limited thereto.
• the secondary endoscope can also be constructed in such a way that the foot surface 110A is flat and the end surface 310A is arched outward.
• the secondary endoscope may also be constructed so that the foot surface 110A is curved outward and the end surface 310A is planarized. It is also conceivable a construction in which the end face 310A is curved inward and the foot surface 110A is curved outwardly, as long as the radius of curvature of the end face 310A is greater than the radius of curvature of the foot face 110A.
• the face 310A may be bowed outwardly and the foot 110A arched inwardly as long as the radius of curvature of the face 310A is less than the radius of curvature of the foot 110A. It is sufficient only that the foot surface 110A can safely and controllably roll on the end surface 310A.
• the square end 34 serves to enable a screwing movement to perform a relative movement of the rod member 3 to the rod member holder 4 at the threaded portions 33 and 41 to tension the wire bodies 2.
• the invention is not limited to the square shape at the end 34 of the rod element 3.
• a triangular shape, octagonal shape, other polygonal shape can be selected. In principle, any shape that allows for the engagement of a torque producing the rotational movement of the rod element at the end 34 can be selected.
• the relative movement of the rod element 3 to the rod element holder 4 is accomplished by the threaded portions 33 and 41. Due to the movement of the rod element 3 relative to the rod element holder 4, the wire bodies 2 are tensioned. Any other type of movement of the rod element 3 to the rod element holder 4 can be selected for this purpose.
• the rod element holder 4 may have a continuous inner cylinder hole and the rod element 3 may have a continuous cylindrical longitudinal cylinder 32, wherein at the end 34 of the rod element 3 a pulling device is appropriate.
• a threaded hole can be provided perpendicular to the axis of the rod element holder, in which a locking screw sits, which can lock the longitudinal cylinder 32 in any position relative to the rod element holder 4.
• the rod element 3 can be screwed in or out concentrically relative to the rod element holder 4 by a screwing movement, wherein the internal thread 41 of the rod element holder 4 is threadedly engaged with the external thread 33 of the rod element 3 during the screwing movement.
• the wires 2 are tensioned by the rod member 3 is moved relative to the rod element holder 4 and locked.
• the rod element 300 sits in the rod element holder 400, in which the diameter extension 330 is arranged in a cavity of the rod element holder 400 provided for this purpose.
• the distal and proximal end surface of the diameter extension 330 in each case forms a stop on the cavity of the rod element holder 400.
• the wires are tensioned by the ring member 700 in the axial direction in the cavity of the cylinder member 420 of the rod member holder 400 is moved into and then locked by locking becomes .
• the invention is not limited thereto.
• the wire tensioning possibility provided for the second embodiment can be applied; and in the second embodiment, the wire tensioning possibility provided for the first embodiment can be applied.
• the catheter connection element 43 extends; 430 at an acute angle, looking at the figures for the rod element holder 4; 400.
• the invention is not limited thereto. An arbitrary extension angle of the catheter connection element to the rod element holder can be selected.
• the catheter tube 5; 500 a transmission guide body having a cavity in which the movement transfer is conducted wire body.
• the motion transmission wire bodies 2 Upon pivotal movement of the control, the motion transmission wire bodies 2 are subjected to tensile forces and compressive forces. When these tensile and compressive forces are exerted on them, the movement transmission wire bodies 2 must be able to slide on the transmission guide body.
• the transmission guide body may in this case have a closed cross section, as in the case of a catheter tube 5; 500 is the case.
• the invention is not limited thereto.
• the transmission guide body may be a rail member or box member on which the movement transmitting wire body is guided.
• the cross section of the transferring guide body may be open on the side where the moving transferring wire bodies 2 do not slide.
• the control 1; 100 may be lockable to a deflection position of the control 1; 100 to lock.
• the locking can be done by a locking screw z. B. penetrates the hollow ball portion 11 and engages the surface of the counter ball portion 31 and thus acts as a friction brake so that a certain deflection position of the control 1 so the control lever can be locked by friction brake.
• a lock by the / theitiessübertragungsdraht Sciences 2 z. B. on the wire guide ring 7; 700 or on the cylinder element 42; 420 of the rod element holder 4; 400 are clamped. If all wires 2 z. B. by a wire guide ring 7; 700 or on the cylinder element 42; 420 attached locking clamp are locked, this is a secure locking a deflection position of the control 1; 100 reached.
• Other technical possibilities for blocking the wires 2 can be selected.
• Figure 11 shows a schematic sectional view of the secondary endoscope of the second embodiment, wherein on the distal side of the handle body, a mounting body for mounting on the mother endoscope sits.
• a connecting piece 1001 is seated at the distal end of the inner channel acting as a catheter channel.
• the connecting piece 1001 is a tubular element.
• the pipe element extends the inner channel.
• the proximal end of the connecting piece 1001 is rotatably connected to the distal end of the handle body of the secondary endoscope forming rod element holder 4.
• the distal end of the connecting piece 1001 is rotatably connected to a proximal end of an assembly body 1000 of the secondary endoscope.
• the mounting body 1000 is also hollow and extends the inner channel.
• the mounting body 1000 of the secondary endoscope is used for mounting the secondary endoscope on the mother endoscope and forms a mounting unit with a mounting body 2440 of the parent endoscope described below.
• the mounting body 1000 is formed as a Luer-Lock male element.
• the mounting unit is formed by a Luer-lock connection with an axially extending inner channel.
• the luer lock male element 1000 is an element of this luer lock connection.
• Luer-Lock compounds are standardized compounds commonly used in the medical field.
• the hollow luer-lock male member 1000 has a hollow handle member 1002 on the proximal side and a hollow luer lock cone 1003 on the distal side of which the proximal portion is surrounded by a luer lock sleeve 1004.
• the proximal end of the luer lock sleeve 1004 abuts the distal end of the handle member 1002 and is connected thereto. Since the exact structure of a Luer-lock connection is known in the art, this will not be explained in more detail here.
• the grip element 1002 may be provided with a corrugation on its outer peripheral surface.
• the handle member 1002 may alternatively or additionally be provided on its outer peripheral surface with a mark that informs about the assembled or disassembled state. This means that if the Luer-Lock connection is closed, this is indicated to the user by a mark; and If the Luer-Lock connection is open, this is also indicated to the user by a marker.
• Such indicative marking can be, for example, a retractable and extendible projection, the z. B. in the retracted position indicates a closed connection and displays an open connection in the extended position.
• the retractable projection can have a red-colored peripheral edge which, when retracted, retracts and, when extended, is visible to the user and informs about the open connection.
• the mounting body 1000 may be a threaded closure element, a bayonet closure element or a snap-fit connection element and accordingly form a detachable screw connection, bayonet connection or snap-in connection with the mounting end 2440 of the parent endoscope.
• this releasable mounting connection has an inner channel and a lock.
• the lock is preferably not solvable by the user, and may, for. B. by the device manufacturer or in an authorized maintenance and repair center.
• FIG. 12 shows a schematic representation in partial section of a combination of a mother endoscope and the secondary endoscope according to the invention.
• a mother endoscope 200 has a control member 2100 on a mother endoscope handle 2400.
• a predetermined angle which may be 45 °, an access port 2430 for a secondary endoscope extends.
• the predetermined angle is not limited to 45 °.
• a mother endoscope 200 has a centrally provided working channel 2550, which continues to run in the hose element 2500 of the parent endoscope.
• a working channel branch 2431 branches into the access port 2430 from.
• the Häkanala callede Trent 2431 also runs centrally.
• the output of Pakistankanala foundede Trent 2431 thus opens into the working channel 2550 of the mother endoscope.
• the entrance of the working channel branch 2431 has an opening at the proximal side of the access port 2430.
• a luer lock female member 2440 as a mounting body for connection to the secondary endoscope is mounted rotationally secured.
• the luer lock female member 2440 is also referred to as a sleeve.
• a secondary endoscope according to the invention is mounted on Luer-Lock female element 2440 .
• the mounting body 1000 of the secondary endoscope is connected to the mounting body 2440 of the mother endoscope and locked.
• the secondary endoscope of Fig. 12 is a secondary endoscope according to the invention according to the embodiments described above, which may be provided with further functional units, as described below.
• the secondary endoscope has the handle body 400, in which the catheter channel 410 is formed. As shown in FIG. 12, the handle body 400 on the proximal side of the control element 160. Also on the proximal side of the handle body 400, an additional channel connecting element 450 is arranged, the angle away from the handle body 400 away z. B. extends in the proximal direction. In the additional channel connection element 450, an additional channel extends into the handle body 400 and opens into the inner channel / catheter channel. In the additional channel further medical instruments can be introduced. An example of such an instrument is a laser cable 452.
• an additional channel input opening 451 is arranged, into which the laser cable 452 is inserted.
• the handle body 400 has the mounting body 1000, as already described.
• a flushing duct connection element 440 is arranged, which extends at an angle from the handle body 400 away, for example, in the distal direction.
• On the distal side of the irrigation channel connection element 440 is a flushing channel inlet opening 441.
• the gripping element 400 also has a power supply cable 461.
• the handle body 400 also has on the distal side the catheter hub 430 that extends distally from the catheter tube 500.
• the catheter tube 500 is inserted into the input port of the catheter channel 160 of the control member 100 and extends through the catheter channel 410, not shown in FIG. 12, through the inner channel of the secondary endoscope mounting body 1000, through the inner channel of the mounting body 2440 of the parent endoscope, through the working channel branch 2431 and through the working channel 2550 of the parent endoscope up to its Deflectingabêt 600.
• the control element 100 of the Deflectingabêt 600 is pivoted.
• Markings may be provided on the control element 100 which indicate to the user the directions of pivoting for the deflecting section 600. For example, by having the control 100 move to the right, i. in the direction indicated by the mark "R”, the deflecting portion 600 is pivoted to the right by moving the control 100 to the left, that is, in the direction indicated by the mark "L”. is pivoted, the Deflectingabêt 600 can be pivoted to the left. By pivoting the control element 100 into the others by markings "D" or "IT”, the deflecting section 600 is correspondingly pivoted upwards or upwards As the control element 100 can be pivoted in all directions, the deflecting section 600 can also move in all directions be panned.
• the catheter virtually forms a loop in itself.
• the catheter channel 160, 410 can be made extremely short in the secondary endoscope, resulting in an extremely small construction of the secondary endoscope as a whole.
• the operability of the control as a joystick facilitates handling.
• the secondary endoscope can be operated by one hand.
• the secondary endoscope can be manufactured inexpensively due to its simple structure.

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• 2013
  • 2013-10-30 DE DE201310222039 patent/DE102013222039A1/de active Pending
• 2014
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