DD293205B5 - Optical fiber guide for a medical observation device - Google Patents

Optical fiber guide for a medical observation device Download PDF

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Publication number
DD293205B5
DD293205B5 DD33836890A DD33836890A DD293205B5 DD 293205 B5 DD293205 B5 DD 293205B5 DD 33836890 A DD33836890 A DD 33836890A DD 33836890 A DD33836890 A DD 33836890A DD 293205 B5 DD293205 B5 DD 293205B5
Authority
DD
German Democratic Republic
Prior art keywords
optical fiber
microscope
light conductor
light
light guide
Prior art date
Application number
DD33836890A
Other languages
German (de)
Inventor
Horst Dipl-Ing Schroeter
Original Assignee
Zeiss Carl Jena Gmbh
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 Zeiss Carl Jena Gmbh filed Critical Zeiss Carl Jena Gmbh
Priority to DD33836890A priority Critical patent/DD293205B5/en
Priority to DE19914105221 priority patent/DE4105221A1/en
Publication of DD293205B5 publication Critical patent/DD293205B5/en

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/06—Means for illuminating specimens
    • G02B21/08—Condensers
    • G02B21/082—Condensers for incident illumination only
    • 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
    • A61B1/00112—Connection or coupling means
    • A61B1/00117—Optical cables in or with an 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
    • A61B1/06—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 with illuminating arrangements
    • A61B1/07—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 with illuminating arrangements using light-conductive means, e.g. optical fibres

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

Abstract

The light conductor guide is used to house the light conductor, to protect it from damage, without exerting torsion on it. The light conductor extends between a light source (3) and the optical system of a microscope (8), eg. a stereo microscope, and is fed through the support system for the microscope. The light conductor is rotatable at one end, to prevent torsion being exerted on the light conductor upon rotation of the support arm (5). The light conductor output end is attached to the inner ring of a roller bearing, the outer bearing ring is attached to the microscope holder. ADVANTAGE - Allows unrestricted movement of microscope.

Description

Hierzu 1 Seite ZeichnungFor this 1 page drawing

Die Erfindung findet bei medizinischen Untersuchungen, vorzugsweise mit Stereomikroskopen und Kolposkopen, Anwendung.The invention finds application in medical examinations, preferably with stereomicroscopes and colposcopes.

Es ist bereits bekannt, das Licht einer Lichtquelle in Operationsmikroskopen und Kolposkopen über Lichtleiter an das Objektfeld heranzuführen (US 3 790 249). Dabei folgt der Lichtleiter meist im wesentlichen der Richtung des verwendeten Tragestativs, wobei das Lampengehäuse am oder im Stativ angeordnet ist (Zeiss „Kolposkop 99", Prosp.-Nr. 30-146-d, 1980; OPMl 99, Prosp.-Nr. 30-327-d, 1981).It is already known to introduce the light from a light source in surgical microscopes and colposcopes via optical fibers to the object field (US Pat. No. 3,790,249). In this case, the light guide usually follows substantially the direction of the support stand used, wherein the lamp housing is arranged on or in the stand (Zeiss "Kolposkop 99", Prosp.-No 30-146-d, 1980; OPMl 99, Prosp.No. 30-327-d, 1981).

Dabei ist der Lichtleiter teilweise im Innern des Stativarmes angeordnet. Einer der Gelenkarme des Stativs ist als Gehäuse ausgebildet und beinhaltet Lichtquelle und Stromversorgung.In this case, the light guide is partially disposed in the interior of the stand arm. One of the articulated arms of the tripod is designed as a housing and includes light source and power supply.

Bei der Außenverlegung von Versorgungskabeln an Operationsmikroskopen und Kolposkopen besteht prinzipiell die Gefahr des Hängenbleibens durch das Bedienpersonal. Dazu kommen Nachteile bezüglich der Reinhaltung.In the case of outdoor installation of supply cables to surgical microscopes and colposcopes, there is in principle the risk of the operator getting stuck. There are also disadvantages in terms of cleanliness.

Speziell bei Lichtleitern können durch Herausreißen, Knicken über scharfe Kanten und Erzeugung von unzulässig engen ' -'" Roschndigungen auftreten.Especially with light guides can occur by tearing out, kinking over sharp edges and creation of impermissibly narrow '-' "Roschndigungen.

Aus der US 3 776 614 ist es bereits bekannt, den Lichtleiter im wesentlichen im Stativinnern und durch die Gelenkpunkte der Stativarme zu führen.From US Pat. No. 3,776,614 it is already known to guide the light guide substantially inside the tripod and through the pivot points of the stand arms.

Da bei bekannten Lösungen der Lichtleiter fest mit der Lichtquelle bzw. dem Lichtaustritt verbunden ist, wird der Lichtleiter bei Verschwenkung des Gerätes um die entsprechenden Gelenkstellen stark auf Torsion beansprucht.Since, in known solutions, the light guide is firmly connected to the light source or the light exit, the light guide is strongly stressed upon torsion of the device to the corresponding articulation points.

Dadurch muß der Bewegungsbereich eingeschränkt werden, weil sonst der Lichtleiter zerstört werden könnte. Durch diese Einschränkung wird der Anwender stark behindert.As a result, the range of motion must be limited because otherwise the light guide could be destroyed. This restriction severely hinders the user.

Aufgabe der Erfindung ist es daher, eine Innenverlegung des Lichtleiters und dennoch eine anschlagsfreie Verschwenkung um mehrere Schwenkachsen zu ermöglichen.The object of the invention is therefore to allow an inner lining of the light guide and yet a stop-free pivoting about a plurality of pivot axes.

Die Aufgabe wird erfindungsgemäß bei einer gattungsgemäßen Anordnung durch die kennzeichnenden Merkmale des ersten Anspruchs gelöstThe object is achieved in a generic arrangement by the characterizing features of the first claim

Bevorzugte Weiterbildungen sind in den Unteransprüchen beschrieben. Preferred developments are described in the subclaims.

Ausführungsbeispielembodiment

Die Erfindung wird nachstehend anhand der schematischen Zeichnung näher erläutert. Fig. 1: zeigt eine teilgeschnittene Seitenansicht eines Kolposkopes.The invention will be explained in more detail with reference to the schematic drawing. Fig. 1: shows a partially sectioned side view of a colposcope.

Das Gerät ist über einen festen Tragarm 1 drehbar und vertikal verschiebbar an einer Säule 2 aufgenommen, die z. B. an einem Bodenstativ oder einer Wandhalterung angebracht ist.The device is rotatable about a fixed arm 1 and vertically slidably received on a column 2, the z. B. is attached to a floor stand or a wall mount.

Der Tragarm 1 beinhaltet die Elektrik, eine Lichtquelle 3 sowie eine Lagerstelle 4 für die Drehachse 15 eines Parallelogrammtragarmes 5. Der Tragarm 5 ist mikroskopseitig als Lagerstelle 6 ausgebildet, in der eine Montierung 7 aufgenommen ist, die ein Stereomikroskop 8 trägt.The support arm 1 includes the electrics, a light source 3 and a bearing 4 for the rotation axis 15 of a Parallelogrammtragarmes 5. The support arm 5 is microscopically formed as a bearing 6, in which a mount 7 is received, which carries a stereo microscope 8.

An der Lagerstelle 4 kann eine Drehung des Parallelosrammtragarmes 5, an der Lagerstelle 6 eine Drehung der Montierung die vertikale Achse erfolaßn-De» stereomikroskop 8 kann um eine horizontale Achse 9 nach vorn und hinten geneigt werde: Das L'tehttter Lichtquelle 3 wird von einem Lichtleiter 10 über einen Kondensor 11, einen Umlenkspiegel 12 und ein Frontobjektiv 13 auf ein Untersuchungsobjekt 14 übertragen.At the bearing point 4 a rotation of the Parallelosrammtragarmes 5, at the bearing point 6 a rotation of the mount the vertical axis sucessn-stereomicroscope 8 can be inclined about a horizontal axis 9 forward and backward: The L'tehttter light source 3 is of a Optical fiber 10 via a condenser 11, a deflecting mirror 12 and a front lens 13 transmitted to an examination object 14.

Der Lichtleitereingang ist hierbei in der Drehachse 15 des Parallelogrammtragarmes 5 fest angeordnet und macht die Drehr des Tragarmes 5 um die vertikale Achse mit. Dadurch wird eine anschlagfreie Rundumdrehung von Tragarm 5 und Lichtleiter 10 ermöglicht. Der Lichtleiter 10 wird durch das Parallelogramm des Tragarmes 5, das Drehlager 6 sowie ein Schwenklager der Achse 9 hindurchgeführt und in der Montierung 7 mit seinem Ausgang in einem Wälzlager 16 aufgenommen. Durch diese Art der Aufnahme des Lichtleiterausganges kann die Montierung 7 mit Stereomikroskop 8 ut vertikale Achse gedreht werden, ohne daß der Lichtleiter 10 mitgeführt wird. Dadurch wird die Torsionsbeanspruchung г Lichtleiters 10 verhindert, und das Stereomikroskop 8 kann anschlagfrei um die vertikale Achse gedreht werden.The light guide input is in this case fixedly arranged in the axis of rotation 15 of the Parallelogrammtragarmes 5 and makes the rotation of the support arm 5 about the vertical axis. As a result, a stop-free all-round rotation of support arm 5 and light guide 10 is made possible. The light guide 10 is passed through the parallelogram of the support arm 5, the pivot bearing 6 and a pivot bearing of the axis 9 and received in the mount 7 with its output in a rolling bearing 16. By this type of recording of the light guide output, the mount 7 can be rotated with a stereo microscope 8 ut vertical axis without the light guide 10 is carried. As a result, the torsion stress г optical fiber 10 is prevented, and the stereomicroscope 8 can be rotated around the vertical axis without impact.

Claims (4)

1. Lichtleiterführung für ein medizinisches Beobachtungsgerät, bestehend aus einem Mikroskop, vorzugsweise einem Stereomikroskop, einem Tragestativ und einer Beobachtungseinrichtung, wobei das Licht einer Lichtquelle über einen Lichtleiter in ein optisches System im Mikroskop geführt wird und der Lichtleiter im wesentfichen im Stativinneren und durch die Gelenkpunkte der Stativarme geführt ist, dadurch gekennzeichnet, daß der Lichtleiter mindestens an einem Lichtleiterende drehbar gelagert ist.1. optical fiber guide for a medical observation device consisting of a microscope, preferably a stereomicroscope, a support stand and an observation device, wherein the light of a light source is guided via an optical fiber in an optical system in the microscope and the light guide in wesentfichen in the tripod interior and through the hinge points the stand arms is guided, characterized in that the light guide is rotatably mounted at least at one end of the optical fiber. 2. Lichtleiterführung nach Anspruch 1, dadurch gekennzeichnet, daß sowohl der Lichtleitereingang als auch der Lichtleiterausgang drehbar gelagert sind.2. optical fiber guide according to claim 1, characterized in that both the optical fiber input and the optical fiber output are rotatably mounted. 3. Lichtleiterführung nach Anspruch 1, dadurch gekennzeichnet, daß der Lichtleiterausgang fest mit dem Innenring eines Wälzlagers verbunden ist, um den sich ein mit der Mikroskophalterung verbundener Außenring dreht.3. optical fiber guide according to claim 1, characterized in that the light guide output is fixedly connected to the inner ring of a rolling bearing about which a connected to the microscope holder outer ring rotates. 4. Lichtleiterführung nach Anspruch 1, dadurch gekennzeichnet, daß der Lichtleitereingang in einer mit einem Parallelogrammtragarm verbundenen Drehachse fest angeordnet ist.4. optical fiber guide according to claim 1, characterized in that the optical fiber input is fixedly arranged in a connected to a Parallelogrammtragarm axis of rotation.
DD33836890A 1990-03-05 1990-03-05 Optical fiber guide for a medical observation device DD293205B5 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DD33836890A DD293205B5 (en) 1990-03-05 1990-03-05 Optical fiber guide for a medical observation device
DE19914105221 DE4105221A1 (en) 1990-03-05 1991-02-20 LIGHT GUIDE FOR A MEDICAL OBSERVATION DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD33836890A DD293205B5 (en) 1990-03-05 1990-03-05 Optical fiber guide for a medical observation device

Publications (1)

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DD293205B5 true DD293205B5 (en) 1995-06-29

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B5 Patent specification, 2nd publ. accord. to extension act
BAUF Maintained restricted (sect. 12/3 extension act)
IF04 In force in the year 2004

Expiry date: 20100306