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WO2018162423A1 - Poignée d'endoscope et endoscope - Google Patents

Poignée d'endoscope et endoscope Download PDF

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Publication number
WO2018162423A1
WO2018162423A1 PCT/EP2018/055370 EP2018055370W WO2018162423A1 WO 2018162423 A1 WO2018162423 A1 WO 2018162423A1 EP 2018055370 W EP2018055370 W EP 2018055370W WO 2018162423 A1 WO2018162423 A1 WO 2018162423A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope
handle
catheter probe
housing
endoscope handle
Prior art date
Application number
PCT/EP2018/055370
Other languages
German (de)
English (en)
Inventor
Peter Paul Fink
Original Assignee
Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh
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 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh filed Critical Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh
Publication of WO2018162423A1 publication Critical patent/WO2018162423A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/00064—Constructional details of the endoscope body
    • A61B1/00066—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
    • A61B1/005—Flexible endoscopes
    • A61B1/0051—Flexible endoscopes with controlled bending of insertion part
    • A61B1/0052—Constructional details of control elements, 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
    • A61B1/307—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 for the urinary organs, e.g. urethroscopes, cystoscopes
    • 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
    • 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
    • A61B1/233—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 for the nose, i.e. nasoscopes, e.g. testing of patency of Eustachian tubes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/00234—Surgical instruments, devices or methods for minimally invasive surgery
    • A61B2017/00292—Surgical instruments, devices or methods for minimally invasive surgery mounted on or guided by flexible, e.g. catheter-like, means
    • A61B2017/003—Steerable
    • A61B2017/00318—Steering mechanisms
    • A61B2017/00323—Cables or rods
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/00367—Details of actuation of instruments, e.g. relations between pushing buttons, or the like, and activation of the tool, working tip, or the like
    • A61B2017/00407—Ratchet means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B2017/0042—Surgical instruments, devices or methods with special provisions for gripping
    • A61B2017/00424—Surgical instruments, devices or methods with special provisions for gripping ergonomic, e.g. fitting in fist
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B2018/00982—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body combined with or comprising means for visual or photographic inspections inside the body, e.g. endoscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0136—Handles therefor

Definitions

  • the invention relates to an endoscope handle according to the preamble of patent claim 1 and an endoscope designed with such an endoscope handle.
  • Such an endoscope is sold for example by the applicant under the trademark "PolyScope®" and is described in DE 10 2004 005 709.
  • This controllable flexible endoscope has a multi-lumen catheter probe, in which at least one optical channel for receiving an optic, a working channel, for example are provided for receiving a surgical tool, a rinsing or suction channel and a control channel for receiving a control element.
  • distal and proximal are referred to the attending physician, “distal” is thus removed from the doctor and “proximal” adjacent to the doctor.
  • the control element is, for example, a control wire or a guide cable which, as in the case of the PolyScope®, is axially displaceable within the catheter probe or along the probe, one end section engaging the distal end of the flexible catheter probe and the other end engaging a catheter probe Handle is attached, by the actuation or movement of a distal probe portion can be bent with a certain length or rotated about the probe longitudinal axis, so that this therapeutic endoscope can be relatively easily brought into an optimal operative position during a surgical procedure.
  • Such endoscopes are used, for example, in ureteroscopy, but can also be used inter additiverily for various applications.
  • a hub is set, from which protrude the proximal outputs of the optical channel, the flushing channel, the working channel and the control channel / control lumen. From the latter, the handle-side end portion of the control wire protrudes, on which by means of a clamping screw of the hand-held
  • PO6551 P-WO-0014 PolyDiagnost Development, Production, Distribution, and Service Ges. MbH handle is set.
  • this handle has a main body receiving the end section of the control wire, to which are laterally set, diametrically opposite, two annular grip parts for the ring and middle fingers.
  • a further annular grip part for the thumb is centrally placed, so that the control wire can be actuated by moving the middle handle portion towards the two held by ring finger and middle finger grip parts to deflect the distal end of the probe.
  • control wire is arranged in a basic position, in which the rear side, provided for the thumb grip part is kept at a distance from the two diametrical grip parts for ring and middle finger.
  • This comparatively much space engaging handle is attached to the widening towards the handle stroke.
  • a protective tube for a 6000-pixel optics is connected, which consists for example of a lighting optics and observation optics. With a 10,000-pixel optics, the illumination optics and the observation optics are each guided in their own lumen. For working and flushing channel are formed by a common lumen.
  • a handle for an endoscope in which the handle is designed with a guide body and a setting sleeve, which is in operative connection with an end portion of the control wire and is guided adjustably and fixed to the guide body.
  • at least one elastic probe element preferably an optic is added, so that upon rotation of the handle for rotational positioning of an attached to the handle elastic catheter probe the optics and the control are rotated together and thus can not collide.
  • an endoscope handle in which, for eliminating some of the disadvantages described above, a circumferential slide is guided on a handle shell, said slide being displaceable for controlling the catheter probe.
  • the setting of the slider in the desired control position then takes place by locking the slider in a fixing groove, wherein the slider is slightly rotatable with respect to the grip.
  • the actual controllable catheter probe extends out of a distal end piece, on which a working connection is formed.
  • a distal end piece on which a working connection is formed.
  • exits are provided for example for an observation optics or optical fibers.
  • Such an endoscope handle has the advantage that it is oriented in the position preferred by the doctor in each case-for example, thumbs upwards and in the direction of the catheter probe or in rows. Orientation of the proximal end portion of the endoscope handle or in a lateral position - can be held, wherein a grasping is not required because the desired relative positioning of the catheter probe by the aforementioned twisting of the rotatable catheter housing part takes place with respect to the handle held by the doctor.
  • US 2012/0165605 discloses an endoscope having a catheter for insertion into a nose of a patient.
  • the endoscope has a handle which is approximately rectangular with respect to the catheter.
  • the ureteroscope must be exactly aligned with the urethra, which is difficult for the urologist in his preferred working position because he knows the known endoscopes either by hand from above or - similar to a syringe - (see description of the PolyScope).
  • the object of the invention is to provide an endoscope handle and an endoscope designed with such an endoscope handle, the operability of which is improved over conventional solutions.
  • the endoscope handle according to the invention preferably has an approximately pistol-shaped angled housing to which a controllable catheter probe can be attached.
  • the endoscope handle further has an actuator for controlling the catheter probe.
  • This has at least one in the normal position of use of the endoscope (Fig. 1) arranged laterally on the housing lever, which is about an Transverse to a housing axis or the catheter probe axis arranged axis adjustable or pivotable and can be fixed by means of a fixing device.
  • the probe axis preferably extends along a gripping nozzle of the housing.
  • the catheter probe axis preferably corresponds to the longitudinal axis of the catheter probe.
  • the catheter probe to the housing, so the Kathetersondenachse employed to the housing axis.
  • the transverse position according to the invention of the axis of the actuating lever is also related to the housing axis.
  • the housing is preferably angled approximately pistol grip.
  • the catheter probe can be rotated in a simple manner, in which the doctor, e.g. Urologist preferred position of a handle is done.
  • Such a design of the endoscope handle makes it possible to carry out the control simply by adjusting the laterally arranged adjusting lever with the thumb, so that the endoscope can be kept very comfortable and operated with one hand.
  • upper refers to a normal basic position in which the approximately pistol-shaped endoscope handle according to the invention is usually held in. In this basic position, for example, the handle extends downwards and the axis extends approximately horizontal.
  • the actuating lever overstretches an end face of a hub-shaped projection, which projects laterally out of the housing and from which the axis extends out.
  • This end face can be provided with a grid, which acts as a brake, so that an accidental adjustment of the actuating lever is hindered.
  • the fixing device for locking the Kathetersondenausschung by means of a fixing button is actuated, which is mounted adjacent to the adjusting lever on the housing.
  • this fixing button is associated with a release button to unlock the control lever.
  • actuating levers are provided opposite each other on both sides, so that the actuation is optimized, for example, for right-handed people and for left-handers.
  • the two levers are attached to the two end portions of the axle. It is particularly preferred if the above-mentioned fixing button and / or release button is assigned to two levers.
  • the housing is angled in the shape of a pistoleng in the form of an egg.
  • the catheter probe can be rotated in a simple manner, this being done in the preferred by the urologist or doctor grip position.
  • the gripping nozzle and the handle are formed by respective sections of the housing and connected to one another via a central housing section.
  • the middle housing section In the middle housing section, the axis of the actuating lever is inserted. If a respective adjusting lever is provided on both sides of the middle housing section, the axle preferably penetrates the middle housing section.
  • the entire adjusting lever, including its pivoting range, is preferably arranged laterally on and laterally from the middle housing section. The same applies if on both sides of the middle housing portion each have a lever is provided.
  • the ergonomics of the endoscope handle according to the invention for the doctor is further improved when the angulation of the gun-shaped housing is adjustable.
  • the handle is pivotable relative to the middle housing section and the gripping tube.
  • the pivotability of the handle is particularly easy to implement when the terminals and beyond also a control mechanism are arranged in the gripping nozzle and in the central housing portion. Then, the connections and the control mechanism need not be designed to be pivotable.
  • pivot axis of the handle coincides spatially with the axis on which the actuating lever is attached rotationally fixed.
  • a very compact design is obtained if the or the adjusting lever in geometry and positioning are adjusted approximately to the length of a thumb bale.
  • a working connection and / or an optical connection and / or a light connection are formed on the housing.
  • the optical port and the light port can be arranged at the angled end portion of the housing that forms the handle.
  • the optical connection, the light connection and the working connection open approximately in extension of the catheter probe into the housing.
  • the orientation of the catheter probe is further improved if it is held at a predetermined pivoting angle, for example +/- 30 ", pivotable on the endoscope handle.
  • the endoscope handle and the endoscope are disposable.
  • the endoscope according to the invention has such an endoscope handle, to which a catheter probe is attached, which opens into the housing approximately tangentially to the pivoting circle of the pivoting lever or to a circular outer edge of the projection or the end face or the screening.
  • the endoscope handle or the endoscope is designed such that the catheter probe can be rotated about the probe axis. hold is. In this way it is possible to influence the deflection direction of the catheter tip or the catheter probe section by corresponding rotation about the probe axis, without the position of the handle being changed.
  • the catheter probe can be employed for a connecting piece or for the gripping piece and thus for the housing-fixed probe axis.
  • Figure 1 is a schematic diagram of two embodiments of an endoscope according to the invention.
  • Figure 2 is a plan view of an embodiment of an endoscope according to FIG.
  • Figure 3 is a side view of the endoscope according to Figures 1 and 2;
  • FIG. 4 shows a three-dimensional rear view of the endoscope according to FIGS. 1 to 3;
  • Figure 5 shows the endoscope according to Figures 1 to 4, wherein a catheter probe end is deflected by adjustment of the actuating lever;
  • FIG. 6 shows the endoscope according to FIG. 5 in a rear view
  • FIG. 7 shows the endoscope according to FIGS. 5 and 6 (with deflected distal catheter probe end) in a locked state
  • FIG. 8 shows the endoscope according to FIGS. 5 to 7 when the lock is released
  • FIG. 9 an embodiment of an endoscope with a rotatable catheter probe
  • Figures 10a, 10b views of the embodiment of Figure 9 with the catheter probe in different positions
  • Figure 1 1 another embodiment with a pivoting handle.
  • FIG. 1 shows a side view of two exemplary embodiments of an endoscope 1 according to the invention.
  • This is a disposable endoscope that is disposed of after use.
  • the illustrated endoscope 1 can be used, for example, as a ureteroscope or else for other applications, the respective endoscopes essentially being distinguished by the geometry of a catheter probe 2, which is attached to an endoscope handle 4.
  • the endoscope handle 4 forms a housing in which the functional elements for controlling the catheter probe 2 are accommodated, in particular in a middle housing section 3 and in a front distal gripping socket 32.
  • the illustrated catheter probe 2 is controllable and preferably designed with several lumens.
  • the catheter probe 2 can have a working channel, an optical channel and a light channel (lumen).
  • these channels open approximately in extension of the catheter probe 2 on the endoscope handle 4.
  • an optical connection 6 is approximately in extension of the
  • Catheter probe 2 arranged so that the optical fibers of the optics are as little as possible kinked and extend directly from the endoscope handle 4 in the optical channel of the catheter probe 2 inside.
  • the working channel opens into a working connection 8 arranged above the optical connection 6 in FIG. 1.
  • the light guides passing through the light lumen open into a light connection 10, which is arranged below the optical connection 6 in the illustrated exemplary embodiment.
  • the endoscope handle 4 is approximately pistoleng-shaped with an opposite the catheter probe axis and in particular with respect to the gripping handle 32 angled handle 12 is formed, whose geometry is ergonomically chosen so that a reliable gripping by hand is possible.
  • the middle housing section 3 has a hub-shaped lateral projection (perpendicular to the plane in FIG. 1) 16 with an end face 18 extending parallel to the plane of the drawing. Centered in the end face 18 is an axis 20 which extends perpendicular to the plane of the drawing in FIG and which is mounted in the middle housing portion 3 of the endoscope handle 4.
  • the axis 20 is connected to a pivotable or rotatable adjusting lever 22, which is placed with an enlarged bearing collar 24 on the axis 20.
  • a pivotable or rotatable adjusting lever 22 which is placed with an enlarged bearing collar 24 on the axis 20.
  • the adjusting lever 22 is rotatably connected to the axis 20.
  • suitable control means for example a control wire, via which the distal end section 38 of the catheter probe 2 can be deflected (compare FIGS. 5 to 10b). This deflection takes place by adjusting the adjusting lever 22 from its basic position shown in Figure 1 in the arrow direction.
  • a screening 26 is formed on the end face 18, which cooperates frictionally with the pointer-like end portion of the actuating lever 22, so that this screening 26 forms a kind of brake, which ensures that the control lever 22 only consciously, with a predetermined minimum force is adjustable.
  • the geometry and position of the control lever 22 on the handle 12 is chosen so that it can be actuated in a simple manner, for example with the ball of the thumb, without having to grip.
  • a fixing device is provided on the handle 12, which can be actuated by means of a fixing button 28.
  • this fixing button 28 takes a non-positive or positive engagement of a locking element, not shown, with the adjusting lever 22 or the axis 20, so that it is not adjustable from the selected position.
  • the two buttons 28, 30 are arranged in the region of the handle 12 (housing) arranged to the catheter probe 2, so that they can be actuated in a simple manner when grasping the handle 12 by one or more fingers.
  • the fixing button 28 and the release button 30 are largely flush inserted into the handle 12, so that an ergonomically optimized gripping and holding is possible.
  • the connection of the catheter probe 2 to the handle 12 is effected by means of the approximately tangential to the actuator 14 and coaxial with the catheter probe 2 extending grasp 32, the geometry of which is adapted to that of the proximal end portion 34 of the catheter probe 2.
  • this Connection of the catheter probe 2 to the handle nozzle 32 in the broadest sense articulated so that the catheter probe 2 with respect to the endoscope handle 4 or more precisely to the handle piece 32 in the arrow direction, ie up and down deflected to the optimal access to the organ to be treated to simplify.
  • This pivoting range can be, for example +/- 30 °.
  • a conventional optical fiber optics is provided. 1
  • a digital optical system with an optical chip for example a CMOS sensor
  • the signal transmission then takes place via a cable passing through the optical lumen, and a coaxial release from the endoscope handle 4 is not required.
  • the working connection 8 can thus be arranged in the place of the optical connection 6 (shown in FIG. 6).
  • the light and the optical connection 6 ', 10' can then open to the end portion of the handle 12. This end portion of the handle 12 is tapered to optimize the ergonomics verrünend.
  • the above-described actuating device 14 is formed on both sides on the middle housing section 3 of the endoscope handle 4 or on both sides on the handle 12, so that the endoscope can be held and operated with the left or the right hand.
  • FIG. 2 shows a plan view of the endoscope 1 according to FIG. It can be seen in this illustration that on the endoscope handle 4, more precisely on the handle 12, mutually opposite hub-shaped projections 16, 16 'are formed, each having an outer (perpendicular to the plane in FIG 2) end face 18, 18' respectively.
  • the two hub-shaped projections 16, 16 'are penetrated by the common axis 20, the end portions of the end surfaces 18, 18' protrude and rotatably connected to a respective adjusting lever 22, 22 'are connected.
  • FIG. 2 shows the first embodiment described, in which the working connection 8, the optical connection 6 and the light connection 10 extend approximately in extension of the catheter probe 2.
  • FIG. 3 again shows a side view of the endoscope 1 according to FIG. 2 (with conventional optics). It can be seen in this illustration, the catheter probe 2, extending in the extension of the catheter probe 2 grommet 32, also visible in Figure 1 part of the actuator 14 with the hub-shaped projection 16, the end face 18, the axis 20 and the one of the two levers 22 and whose bulged end portion 36.
  • the terminals 6, 8, 10 extend approximately in extension of the catheter probe 2 and thus approximately tangentially to the outer periphery of the hub-shaped projections 16, 16 '.
  • the fixing button 28 and the release button 30 are mounted, via which the adjusting lever 22 can be fixed or released in its desired operative position.
  • a grid 26 is provided, which is in frictional engagement with the adjusting lever 22, so that it is adjustable only with a certain minimum force bar and thus a kind of prefixing is possible.
  • FIG. 4 again shows a rear view of the endoscope 1 from FIG. 3.
  • the contour of the adjusting lever 22 is clearly visible with the end section 36 projecting laterally from the endoscope handle 4 or from the handle 12, the geometry of which is a simple operation with the Thumbs allowed.
  • the three connections 6, 8, 10 extend approximately in extension of the catheter probe 2 and tangentially to the hub-shaped projection 16.
  • FIG. 5 shows the endoscope 1 according to FIGS. 2 to 4 with a deflected distal catheter probe end section 38.
  • This deflection / control takes place by adjusting the setting lever 22 from its basic position in the arrow direction shown in the preceding figures, so that the catheter probe 2 is bendable and the catheter probe end section 38 is deflectable in the view of Figure 5 up or down.
  • This Position takes place against the resistance of the brake forming a grid 26.
  • the adjusting lever 22 is pivoted until the Kathetersondenendabterrorism 38 has reached its desired control position.
  • the catheter probe 2 can be rotated by rotating the endoscope handle 4 approximately around the catheter probe axis to bring the catheter probe end portion 38 into the desired position.
  • FIG. 6 shows a view from the rear of the endoscope handle 4 in the position according to FIG. 5.
  • the aforementioned positioning by rotation of the handle 12 takes place essentially around the axis A shown in FIG. 6, which is approximately the catheter probe longitudinal axis (of FIG deflected or non-curved part of the catheter probe 2) corresponds.
  • the release button 30 is then actuated according to Figure 8 - this can be embraced, for example, with multiple fingers, so that the release is done with minimal effort.
  • the fixing button 28 springs back to its original position, so that the adjusting lever 22 is again adjustable in order to adjust the Kathetersondenendabêt 38.
  • the catheter probe 2 is attached to the gripping nozzle 32 of the endoscope handle 4, wherein this connection is made, for example, such that according to Figure 1, the catheter probe 2 is pivotally supported.
  • FIG. 9 shows a variant in which the catheter probe 2 is rotatable.
  • the basic structure of the endoscope handle 4 corresponds to that of the previously described embodiments, so that only the different design features to the previous embodiments are explained and reference is otherwise made to the above description.
  • the connections (optical connection 6, working connection 8, light connection 10) on the endoscope handle 4 are formed either in extension of the catheter probe 2 or at the end section of the handle 12.
  • the abovementioned connections 6, 8, 10 are formed on a connection piece 42 of a connecting piece 44, which is mounted rotatably on the gripping piece 32.
  • This pivotal mounting is such that the catheter probe 2 - preferably with the terminals 6, 8, 10 - is rotatable about the probe axis 46.
  • the connecting piece 44 may be part of the endoscope handle 4 or the gripping nozzle 32, so that the catheter probe 2 is correspondingly attached to the connecting piece 44.
  • the connection piece 44 can also be integrated into the catheter probe 2. It is essential that the storage is carried out so that a rotation of the catheter probe 2 is made possible with unchanged holding position of the handle 12. As in the embodiment described above, the deflection of the
  • the catheter probe axis is set at an obtuse angle to the probe axis 46.
  • the operative position of the catheter probe end section 38 can now be changed by turning the connecting piece 44 about the probe axis 46, without changing the (old) position of the handle 12. That is, by appropriate rotation is given whether the Kathetersondenend- section 38 to the left ( Figure 10a) or to the right ( Figure 10b) or even up or down (not shown) is deflected.
  • the angle of incidence of the actual catheter probe 2 with respect to the probe axis 46 shown in FIGS. 9, 10a and 10b can be dispensed with, so that the catheter probe 2 then runs coaxially to the axis of the connecting piece 44 or to the housing-fixed probe axis 46.
  • optical connection 6 extends approximately in extension of the catheter probe axis.
  • the endoscope 1 is designed disposable with the endoscope handle 4 and the catheter probe 2.
  • contamination is prevented by providing at the catheter probe end section 38 a cover plate 40 indicated in FIG. 8 which hermetically seals at least the optical lumen of the catheter probe 2 so that the light guides or the optical chip are not in direct contact can come with the organ to be treated.
  • the optics and, if necessary, the illumination are then pulled out of the endoscope 1 and disposed of.
  • Figure 1 1 shows an embodiment of the endoscope 1 according to the invention, the basic structure of which corresponds to that of the first two embodiments according to Figure 1.
  • it has an endoscope handle 4, whose handle 12 is pivotable relative to the rest of the endoscope handle 4, that is to say in particular with respect to the central housing section 3 and with respect to the gripping stub 32.
  • the pivot axis of the handle 12 coincides spatially with the axis 20, to which the adjusting lever 22 is attached rotationally fixed.
  • the handle 12 pivots about the same axis as the adjusting lever 22.
  • It is an internal latch provided, which is releasable and fixable via a slider 48.
  • the slider 48 is arranged laterally on the handle 12 adjacent to the fixing button 28.
  • an endoscope handle and a thus executed endoscope in which a control of a catheter probe via a laterally arranged in the normal use position lever is done.
  • the endoscope is preferably

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  • Endoscopes (AREA)

Abstract

L'invention concerne une poignée d'endoscope et un endoscope muni de celle-ci, une commande d'une sonde de cathéter s'effectuant par l'intermédiaire d'un levier de réglage disposé latéralement dans la position normale d'utilisation. Ledit endoscope est de préférence jetable.
PCT/EP2018/055370 2017-03-06 2018-03-05 Poignée d'endoscope et endoscope WO2018162423A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017104671.2A DE102017104671A1 (de) 2017-03-06 2017-03-06 Endoskophandgriff und Endoskop
DEDE102017104671.2 2017-03-06

Publications (1)

Publication Number Publication Date
WO2018162423A1 true WO2018162423A1 (fr) 2018-09-13

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Application Number Title Priority Date Filing Date
PCT/EP2018/055370 WO2018162423A1 (fr) 2017-03-06 2018-03-05 Poignée d'endoscope et endoscope

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DE (1) DE102017104671A1 (fr)
WO (1) WO2018162423A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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