WO2010009720A1 - Endoscope commandable - Google Patents

Endoscope commandable Download PDF

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Publication number
WO2010009720A1
WO2010009720A1 PCT/DE2009/001034 DE2009001034W WO2010009720A1 WO 2010009720 A1 WO2010009720 A1 WO 2010009720A1 DE 2009001034 W DE2009001034 W DE 2009001034W WO 2010009720 A1 WO2010009720 A1 WO 2010009720A1
Authority
WO
WIPO (PCT)
Prior art keywords
endoscope according
guide body
catheter
guide
lumen
Prior art date
Application number
PCT/DE2009/001034
Other languages
German (de)
English (en)
Inventor
Hansgeorg Schaaf
Original Assignee
Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Service Gesellschaft 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 Service Gesellschaft Mbh filed Critical Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Service Gesellschaft Mbh
Publication of WO2010009720A1 publication Critical patent/WO2010009720A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
    • A61B1/005—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
    • A61B1/012—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
    • 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
    • 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
    • A61M2025/0161—Tip steering devices wherein the distal tips have two or more deflection regions

Definitions

  • the invention relates to an endoscope with a catheter having a plurality of lumens according to the preamble of claim 1.
  • 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 This is, for example, a control wire or a guide cable which, as in the case of the PolyScope®, is guided so as to be axially displaceable within the catheter probe or also along the probe, for example a control wire or a guide channel.
  • 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 is the handle-side end portion of the control wire before, is attached to the means of a clamping screw handle.
  • 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.
  • annular grip part for the thumb is centrally placed, so that the control wire can be actuated by moving the middle handle portion to the two held by ring finger and middle finger grip parts to the distal end of the probe deflect.
  • the control wire is biased 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.
  • 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.
  • the distal end of the optical channel is hermetically sealed by a translucent cover, so that the optics can not be contaminated.
  • optical shifter which is attached on the one hand to the proximal end portion of the optic and on the other hand to an optic base body, so that the distal end portion of the optic is displaceable by changing the length of the optic shifter.
  • the flushing / suction tube and the surgical tool are then attached, so that in this area a plurality of supply lines / hoses / functional elements are arranged, which are each designed to be flexible and movable relative to each other.
  • the handle Prior to the procedure, it is necessary to adjust the handle with respect to the flexible end portion of the catheter probe so that, for example, in the case of vertical alignment of the handle and middle finger gripping portions and actuation of the handle, the flexible probe end is upwardly controlled.
  • the handle is actuated and the catheter probe with the deflected end portion in the desired direction - for example, up-aligned.
  • a locking screw of the handle is released at the proximal end portion of the control wire and this by turning in the desired relative position with respect to the deflected end portion of the catheter probe aligned so that the operator can then control the probe end defined by operating the handle and by rotating in any desired direction.
  • the catheter probe is designed so that a rotation of the handle is transmitted torsion-resistant to the catheter probe end about its longitudinal axis.
  • the invention has for its object to provide an endoscope with improved handling.
  • the endoscope has a multi-lumen catheter probe, with a control lumen, in which a control element is guided, which is adjustable at its proximal end by means of a handle within the control lumen.
  • the handle is designed with a guide body into which an end portion of the control member dips. This is indirectly or directly connected to an adjusting sleeve, which is guided adjustably and fixable on or on the guide body.
  • the guide body of the handle is penetrated by at least one elastic probe element guided in a lumen of the catheter probe.
  • the handle fulfills a dual function: it serves for one for actuating the control wire; On the other hand, it also serves to guide at least one elastic probe element, for example the optics, so that no irritation of the operator can occur when the handle is rotated for positioning the catheter probe end, since the probe element guided in the handle - preferably the optic - is twisted together with the handle and thus the above-described "cross over" of the rigid and elastic catheter elements does not occur or only at least only to a greatly reduced extent.
  • the handle fulfills a dual function: it serves for one for actuating the control wire; On the other hand, it also serves to guide at least one elastic probe element, for example the optics, so that no irritation of the operator can occur when the handle is rotated for positioning the catheter probe end, since the probe element guided in the handle - preferably the optic - is twisted together with the handle and thus the above-described "cross over" of the rigid and elastic catheter elements does not occur or only at least only to a greatly reduced extent.
  • the lumens of the catheter probe are an optical lumen, a light lumen, a working and / or irrigation lumen, to which then optics, possibly a light guide, a surgical tool and a flushing tube can be attached.
  • a working and / or flushing channel opens laterally into the guide body of the handle.
  • a combined working / flushing connection is provided on the guide body, which is formed for example via a Y-piece.
  • the catheter probe is provided in addition to the control lumen with a flushing lumen and a guide wire channel along which, for example, a probe or a stent can be guided to an intervention site, for example into the region of a stenosis.
  • the flushing hose could then be connected to the guide body, which is then penetrated by the guide wire, so that even with such a comparatively simple construction disability of the physician by collision of the flushing hose with the relatively rigid tool (guide wire) does not take place ,
  • the adjusting sleeve is associated with a detent over which it can be fixed in a predetermined axial and / or radial position with respect to the guide body, so that no force has to be applied for holding the distal end portion of the catheter probe in its deflected position ,
  • This lock is particularly simple if, in order to guide the setting sleeve in a circumferential wall of the guide body, sliding through openings are provided, in which a guide projection projecting radially inwards is guided. It is preferred if this gate opening has at least one axial slot defining the axial adjustment of the adjusting sleeve and at least one radial slot into which the guide projection is moved for locking.
  • For fixing in several positions can branch off a plurality of radial slots from the axial slot.
  • the adjusting sleeve can be designed with at least one radially projecting retaining collar, which facilitates the application of axial displacement forces.
  • control element is designed as a control wire, the proximal end portion of which is attached to a run in the guide body clamping piece, which in turn is connected to the adjusting sleeve.
  • the catheter probe is detachably attached to the guide body on the front side, so that practically all the functional elements of the endoscope open or run in the guide body.
  • the catheter probe is surrounded by a rigid catheter tube, wherein preferably the axial position of the catheter probe with respect to the catheter tube is adjustable via a shifter.
  • the distal end portion of the catheter probe can be moved out of the catheter tube, so that the advantages of a flexible and a rigid endoscope are combined.
  • Such an endoscope can be used particularly advantageously in ureteroendoscopy.
  • the distal end of the catheter tube may be designed as an atraumatic termination. It is preferred to skew this end portion.
  • a radially outwardly and / or inwardly projecting guide element can then be arranged, via which the catheter tube can be levered or screwed in, for example, in the removal of kidney stones into the ostia.
  • this guide element as a ball is executed so that there is no risk of injury when removing the endoscope.
  • the radially inwardly projecting part of this spherical guide element is visible through the optics, so that a simple directional orientation (top / bottom) is possible.
  • the catheter probe can be assigned two controls over which the catheter probe retrograde - in other words - counter-deflected.
  • a control unit is known, for example, from the postponed DE 2007 006 185 filed by the patent applicant.
  • two adjusting sleeves are guided in the axial direction spaced on or on the guide body.
  • the structure of the endoscope is particularly compact when the guide body is made approximately cylindrical, wherein the adjusting sleeves are preferably guided slidably and rotatably.
  • FIG. 1 shows a longitudinal section through a first embodiment of an endoscope according to the invention
  • FIG. 3 shows an embodiment of an endoscope for vascular endoscopy.
  • FIG. 1 shows an endoscope which can be used inter additiverily for various applications and whose functional elements essentially correspond to those of the aforementioned PolyScope, so that with regard to the applications and with regard to the basic functions reference is made to the relevant information retrievable at www.polydiagnost.com and here only the essential elements for understanding the invention will be explained.
  • the flexible endoscope 1 shown in FIG. 1 essentially consists of a multi-lumen catheter probe 2, which is attached to a handle 4.
  • the connection between catheter probe 2 and handle 4 via a conventional bayonet connection, such as a Luer-lock connection 6.
  • the catheter probe 2 has a combined working / flushing lumen, an optical lumen for the observation optics (image guide), a lighting lumen for Illumination optics (light guide) and a control lumen for receiving a control wire, over which the catheter probe is deflectable.
  • the catheter probe 2 itself consists of a flexurally elastic material, preferably of a biocompatible plastic.
  • the catheter probe 2 is delivered sterile packed and is designed as disposable (disposable), so that it is released after the surgical use of the handle 4 and then disposed of.
  • the optics is not contaminated, so that it is reusable.
  • the handle 4 shown in Figure 1 serves on the one hand - in the usual way - to control the distal end portion of the catheter probe 2 and the other as a lumen output for the above elements, that is, for the working / flushing lumen, the optical lumen and the light lumen.
  • This dual function is unprecedented in the art.
  • the lumen outputs are executed in all known solutions to separate components.
  • the handle 4 consists essentially of a tubular guide body 8, on which an adjusting sleeve 10 in the axial direction and - to a certain extent - is also rotatably mounted about the longitudinal axis.
  • the adjusting sleeve 10 has a guide bushing 12, which is slidably guided on the outer circumference of the tubular guide body 8.
  • a radially projecting retaining collar 14 is formed, which facilitates the handling of the handle 4.
  • This adjusting sleeve 10 is arranged in the central region of the guide body 8, so that in Figure 1 to the right, a handle 16 of the guide tube protrudes and to the left in Figure 1, a connection portion 18 of the guide body 8 is formed.
  • the adjusting sleeve 10 has a bearing on the guide bushing 12 and inwardly to the guide body 8 projecting guide projection 20, which is designed as a pencil in the illustrated embodiment.
  • This guide projection 20 passes through a gate opening 22 in the shell of the guide body 8.
  • This link opening 22 is executed in the illustrated embodiment as an axial slot whose slot width is designed according to the geometry of the pin-shaped guide projection 20.
  • the sliding block opening 22 can be provided with radial slots (perpendicular to the plane of the drawing in FIG. 1), into which the guide projection 20 is inserted by axial displacement and rotation of the adjusting sleeve 10 and thus into Axial direction can be set so that a predetermined deflection of the catheter probe is locked.
  • the determination of the adjusting sleeve 10 in other ways, for example by clamping or by a screw or the like.
  • the adjusting sleeve 10 is biased by a spring, not shown, in a basic position, so that the adjustment takes place against the force of the spring.
  • the distal end portion of the catheter probe 2 is made of a slightly more flexible material than the other catheter probe area, so that when a Switzerlandkraftbeetzschung by means of the control wire 33 this flexurally softer area is deflected.
  • a clamping piece 28 is guided axially displaceably, which is connected to the guide projection 20, so that the adjustment of the adjusting sleeve 10 is transmitted to the clamping piece 28.
  • the clamping piece 28 is designed as a cylindrical element which is slidably guided in the cylindrical interior of the guide body 8.
  • a proximal end portion of a control wire 33 is clamped tensile on the clamping piece 28 which is slidably guided along the catheter probe or within the control lumen mentioned in the catheter probe to the distal end portion, so that by moving the adjusting sleeve 10, the distal end the catheter probe 2 can be deflected.
  • a working / flushing lumen outlet 30 is formed, to which a tool or a flushing hose can be connected via a working / flushing connection 32.
  • this work / flushing port 32 it is also possible to perform this work / flushing port 32 as a Y-piece, wherein the respectively not required connection piece is tightly closed by a plug.
  • image guides 36 and optical fibers 34 of the optics are guided out of the corresponding lumens of the catheter probe 2 and extend through the interior 26 of the guide piece 8.
  • the right in Figure 1 end portion of the guide body 8 is shut off via a connecting piece 38 which is penetrated by the light guide 34 and image conductor 36.
  • At least the protruding from the connector 38 areas of the conductors 34, 26 are protected by protective tubes 40, 42, which are placed on the light guide 34, image conductor 36 and can be connected via suitable, not shown closures with the connector 38.
  • An optical base body 44 is formed on the end section of the image conductor 36 remote from the handle 4, and an optical waveguide connection 46 is formed on the corresponding end section of the optical waveguide 34. About these ports 44, 46, the optics can be connected to the eyepiece or the light source.
  • the distal end portion of the light guide 26 is formed so that diffused light is emitted in the opening angle of the image optics.
  • the above-described endoscope with separate light guide and image guide lumen can be used, for example, 10,000-pixel optics, wherein a lumen is used as working and flushing lumen.
  • image and light guides can be accommodated in a single lumen, so that flushing lumens and working lumens can be designed separately from each other.
  • two connections (working connection / flushing connection) could then be made at the connection region 18, while at the rear only a protective tube 40 for the optics emerges via the connection piece 38.
  • the handle 4 is further characterized by an extremely compact, simple structure, so that it can be produced with extremely low material costs. According to the invention, it is preferable to make this handle 4 disposable from plastic, so that it is thrown away together with the catheter probe (without optics) after the treatment.
  • connection portion 18 is attached as a separate component axially to the tubular guide body 8.
  • the above-described Luer lock for the catheter probe 2 is also formed on this component.
  • a further Luer connection 50 is provided, via which a catheter tube arrangement 52 according to FIG. 2 can be attached to the handle 4.
  • the basic structure of this catheter assembly 52 and the interaction with the PolyScope are extensively available under the product name "CHIRIFLEX®" at www.polvdiagnost.com, so that only the essential elements for understanding the invention are explained. 2
  • the catheter tube arrangement "CHIRIFLEX®” has a catheter tube 54 which is connected to a shifter 56 and a catheter tube handle 58.
  • the catheter tube 54 is screwed to the catheter tube handle 58 by means of a bayonet or, as in the illustrated embodiment, via a threaded connection 60 2, a clamping screw 62 and a connecting thread are formed, via which a shifter tube 64 of the shifter 56 is fastened, whereby a shifter-side cap nut 66 is screwed onto the connecting thread so that the shifter tube 64 seals against the catheter tube handle
  • a clamping screw 62 By loosening the clamping screw 62, the shifter tube 64 and thus the total length of the catheter tube arrangement 52 can then be adjusted, so that a predetermined relative positioning to the catheter probe 2 is possible.
  • connection 68 which cooperates with the Luer connector 50 on the handle 4.
  • the operator holds the catheter tube assembly 52 and catheter probe / handle assembly on the catheter tube handle 58 after the distal catheter probe end portion is positioned.
  • the actual instrumentation can then be done so to speak "from behind" on the handle 4 by an assistant.
  • the distal end section of the catheter tube 54 is designed with an opening 70 inclined obliquely to the longitudinal axis.
  • Attached to the axially projecting end portion of the mouth 70 is a guide member 72 projecting radially beyond both the outer periphery 74 of the catheter tube and inwardly beyond the inner circumferential wall 76.
  • the guide element 72 is designed as a smooth-surfaced ball, so that, for example, ureteroscopy during removal of the endoscope no injuries occur in the ureter region.
  • the portion of the guide member 72 projecting beyond the outer periphery 74 facilitates the operator "fogging" the endoscope upon insertion into the ostia.
  • the portions projecting radially inwardly beyond the inner peripheral wall 76 facilitate orientation in which relative position the endoscope is disposed in the subject organ is because of the optics of the catheter probe 2 this radially inwardly projecting portions of the guide member 72 are detected.
  • the deflection direction is adjustable by turning the endoscope 1 about its longitudinal axis.
  • the deflection radius is determined essentially by the length of the end of the catheter tube 2 moved out of the catheter tube 54. If this end section of the catheter probe 2 projecting from the catheter tube 54 is relatively short, a comparatively large deflection radius arises accordingly. If the catheter probe 2 is pushed out by the entire adjustment range of the shifter (for example, about 7 cm), the catheter probe 2 can be deflected very closely, so that it forms almost a full circle.
  • the mechanisms of bending and radius manipulation are described in detail in the instructions for use for the "CHIRIFLEX®" product.
  • Simplified endoscopes can be used in vascular endoscopy applications, where usually the positioning of the endoscope is monitored by x-ray or ultrasound control, so these endoscopes need not be designed with optics.
  • these vascular endoscopes which are used, for example, for percutaneous vascular intervention, in particular for stent implantation, are designed with an endoscope deflection control, a flushing connection and a working connection for a guide wire.
  • endoscopes it is important to be able to divert the catheter probe 2 very closely and in different directions in order, for example, to be able to reach vessel branches.
  • the endoscope 1 has a catheter probe 2, which is designed as a guide catheter.
  • this catheter probe 2 is embodied by two catheter sections 78, 80 arranged coaxially with each other, the proximal catheter section 78 having a higher flexural rigidity than the distal catheter section.
  • Each of these catheter sections 78, 80 is associated with a control wire (not visible in FIG. 3) which is guided in one or two control lumens of the catheter probe 2 which are separated from one another and which can be adjusted by means of an adjusting sleeve 10, 82.
  • Both adjusting sleeves 10, 82 are guided in the manner explained in Figure 1 on the tubular guide body 8 of the handle axially adjustable and fixable, so that, for example, by adjusting the adjusting sleeve 2 in the direction of arrow first the proximal, relatively rigid catheter section 78 is deflected.
  • the comparatively easily bendable distal catheter section 80 can then be actuated so that it is deflected in a counter-rotating (retrograde) manner to the catheter section 78 with a comparatively small bending radius.
  • the respective deflection can be fixed by locking the associated adjusting sleeve 10, 82 on the guide body 4.
  • connection and guidance of the adjusting sleeves 10, 82 to the respective control wires corresponds to the construction according to FIG. 1, although two spaced-apart retaining collars 14a, 14b are provided in the exemplary embodiment according to FIG.
  • Each adjusting sleeve 20, 82 is a gate opening 22 (see Figure 1) associated with radial slots 24, in each of which a guide projection 20 dips, the end portion is respectively connected to a clamping piece 28, is fixed to the respectively associated control wire, so that the axial displacement of Adjusting sleeves 10, 82 is transmitted directly to the control wires and accordingly to the catheter sections 78, 80.
  • the arrangement of the control wires is selected so that an opposite bending of the two catheter sections 78, 80 sets.
  • suitable connection also other geometries, for example, a co-curving bend of the catheter sections 78, 80 are set with different radii.
  • the handle 4 has on the rear side a connection piece 38, from which approximately parallel a guide wire 84 and a proximal flushing lumen outlet 30 are led out.
  • this flushing-lumen outlet 30 can also be designed as an oblique or radial connection in the distal connection region 18 of the handle 4.
  • both the handle 4 and the associated catheter probe 2 are designed as disposable. Since in the solutions described both the catheter probe 2 and the handle 4 are designed disposable, they can in principle also be designed as a structural unit, in which case only the optics is used and are aligned by means of Optikshifters with respect to the translucent cover.
  • an endoscope with a multi-lumen catheter probe at least one of which is a control lumen, in which a control is guided, which is adjustable at its proximal end by means of an actuating element of a handle.
  • this handle is designed with a guide body, in which an end portion of the control is immersed. This is indirectly or directly with a guided on or on the guide body adjusting sleeve in operative engagement, so that the control is adjustable by adjusting the adjusting sleeve with respect to the guide body.
  • at least one further lumen exit is formed on the handle.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Surgery (AREA)
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  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Heart & Thoracic Surgery (AREA)
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Abstract

L’invention concerne un endoscope avec une sonde de cathéter présentant plusieurs lumières dont au moins une est une lumière de commande dans laquelle est guidé un élément de commande qui peut être déplacé à son extrémité proximale au moyen d’un élément d’actionnement d’une poignée. Selon l’invention, cette poignée est conçue avec un corps de guidage dans lequel plonge une partie d’extrémité de l’élément de commande. Celle-ci est directement en prise coopérante avec une douille de réglage guidée contre ou sur le corps de guidage de sorte que l’élément de commande peut être déplacé par déplacement de la douille de réglage par rapport au corps de guidage. Selon l’invention, il est prévu qu’une autre sortie de lumière soit réalisée sur la poignée.
PCT/DE2009/001034 2008-07-23 2009-07-23 Endoscope commandable WO2010009720A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE200810034425 DE102008034425A1 (de) 2008-07-23 2008-07-23 Endoskop
DE102008034425.7 2008-07-23

Publications (1)

Publication Number Publication Date
WO2010009720A1 true WO2010009720A1 (fr) 2010-01-28

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Cited By (1)

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CN108918473A (zh) * 2018-09-10 2018-11-30 广州益得智教育科技有限公司 透光度测量仪

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Publication number Priority date Publication date Assignee Title
DE102010021463A1 (de) 2010-05-25 2011-12-01 Polydiagnost Gmbh Endoskop und Endoskophandgriff
DE102015116652A1 (de) 2014-10-02 2016-04-07 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh Endoskophandgriff
DE102017104671A1 (de) 2017-03-06 2018-09-06 Polydiagnost Entwicklungs-, Produktions-, Vertriebs-, Und Servicegesellschaft Für Medizinelektronische Diagnostik- Und Therapiegeräte Mbh Endoskophandgriff und Endoskop

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JPH02114929A (ja) * 1988-10-25 1990-04-27 Olympus Optical Co Ltd 内視鏡の湾曲操作装置
WO1991001772A1 (fr) * 1989-07-31 1991-02-21 Radi Medical Systems Ab Combinaison de catheter et de manipulateur
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WO2001068178A1 (fr) * 2000-03-10 2001-09-20 Cardiofocus, Inc. Catheter orientable
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DE102004005709A1 (de) 2004-02-05 2005-08-25 Polydiagnost Gmbh Endoskop mit einer flexiblen Sonde
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Publication number Priority date Publication date Assignee Title
JPH01175827A (ja) * 1987-12-28 1989-07-12 Mitsubishi Cable Ind Ltd ファイバスコープ先端首振操作部構造体
JPH02114929A (ja) * 1988-10-25 1990-04-27 Olympus Optical Co Ltd 内視鏡の湾曲操作装置
US4911148A (en) * 1989-03-14 1990-03-27 Intramed Laboratories, Inc. Deflectable-end endoscope with detachable flexible shaft assembly
WO1991001772A1 (fr) * 1989-07-31 1991-02-21 Radi Medical Systems Ab Combinaison de catheter et de manipulateur
US5190050A (en) * 1991-11-08 1993-03-02 Electro-Catheter Corporation Tip deflectable steerable catheter
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