WO2015144546A1 - Articulation de rotation de pied de microscope et pied de microscope - Google Patents

Articulation de rotation de pied de microscope et pied de microscope Download PDF

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Publication number
WO2015144546A1
WO2015144546A1 PCT/EP2015/055754 EP2015055754W WO2015144546A1 WO 2015144546 A1 WO2015144546 A1 WO 2015144546A1 EP 2015055754 W EP2015055754 W EP 2015055754W WO 2015144546 A1 WO2015144546 A1 WO 2015144546A1
Authority
WO
WIPO (PCT)
Prior art keywords
rotation
stop
stops
axis
rotary
Prior art date
Application number
PCT/EP2015/055754
Other languages
German (de)
English (en)
Inventor
Marco Schutz
Original Assignee
Leica Microsystems (Schweiz) Ag
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 Leica Microsystems (Schweiz) Ag filed Critical Leica Microsystems (Schweiz) Ag
Publication of WO2015144546A1 publication Critical patent/WO2015144546A1/fr

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Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/001—Counterbalanced structures, e.g. surgical microscopes
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B21/00—Microscopes
    • G02B21/0004—Microscopes specially adapted for specific applications
    • G02B21/0012—Surgical microscopes

Definitions

  • the present invention relates to a microscope stand hinge according to the preamble of claim 1.
  • the invention further relates to a microscope stand with such a hinge.
  • FIG. 1 shows a surgical microscope stand 100 known from the prior art with a generic swivel joint which is accommodated approximately at position 102.
  • a suspension device 104 comprising a surgical microscope 106, which is arranged about an axis of rotation D of the swivel joint, is arranged on the swivel joint
  • Swivel joint is rotatable.
  • the microscope 106 should be more than 360 ° around the
  • Rotation limiting elements are also mounted concentrically and thus prevent rotation of the suspension device 104 via a
  • Such limitation of the rotational angle of the hanger 104 is desired to prevent, for example, damage to the cables carried in the tripod 100.
  • the cables which run between the suspension device 104 and a vertical arm 108 of the stand 100 must be protected from damage.
  • a disadvantage of the known microscope tripod swivel joints is especially the fact that they often have a variety of components, and thus do not meet the requirement for a compact and simple design.
  • the present invention proposes a microscope stand swivel joint and such a microscope stand according to the independent claims.
  • Advantageous embodiments emerge from the respective subclaims and the following description.
  • Rotation limiting element a counter-stop element, which has a first stop region and a second stop region.
  • the counter-abutment member includes a first abutment portion and a second abutment portion, which are preferably formed at opposite ends of the counter-abutment member.
  • Stop area to limit a rotational movement.
  • Counter stop element may be formed either on the side facing away from the rotation axis outside or inside of the rotation limiting element, but preferably on the outside.
  • Rotation limiting element is annular and has at the side facing away from the rotation axis outside of the rotation limiting element in the circumferential direction successive two first stops and in
  • each stop region comprises a first and a second stop.
  • the rotation-limiting element is preferably ring-shaped, in particular essentially designed as a ring.
  • a corresponding microscope stand contains one or more such hinges.
  • Support element and rotation element can be mechanically interchanged; it only depends on the possibility of relative rotation of support and rotation element.
  • Rotation restriction element a simple component construction is achieved.
  • To limit the rotation of the rotary member carries the preferably annular rotation limiting element on its outer side, more precisely on the side remote from the rotation axis outside, for example, two first and two second stops.
  • the two first stops and the two second stops are each arranged in the circumferential direction of the annular rotation limiting element.
  • the two stops of a stop area can, for example be designed as radially projecting pins, pins, stoppers or the like.
  • the preferably two first stops limit a first rotation angle of the rotation element about the rotation axis
  • the second stops limit a second rotation angle of the combination of rotation restriction element and rotation element about the rotation axis relative to the stationary support element.
  • the first angle of rotation can be selected to just below 360 °.
  • the rotary joint thus allows a rotation of the rotary element of up to almost 720 °.
  • said radially projecting portion on the outside of the annular rotation restriction member in turn narrowed to a pin or pin or the like in the circumferential direction, so that its two in
  • Circumferential boundary sides form the pair of stops. If, on the other hand, the said area is enlarged in the circumferential direction, for example to an arc angle of 90 °, or if two pins, stoppers or the like are located at the corresponding locations, the corresponding angle of rotation, for example to 270 °, can be reduced.
  • pins, stoppers or the like which is movable on the
  • Rotation limiting element and the support member rotated about the axis of rotation.
  • the first moves formed on the rotary member
  • Stop element preferably on an imaginary path between the two stop areas, preferably between the two first stops. Depending on the direction of rotation, one of the two stop areas, preferably its first stop, is reached during the rotation of the rotary element. Then, the further rotation takes place in that the rotation element together with the
  • Rotation limiting element is rotated relative to the fixed support member until the other stop region, preferably the second stop of the other stop region, the second formed on the support member
  • the rotation of the rotary member about the axis of rotation is limited by abutment of the first stop member to one of the two stop areas (depending on the direction of rotation) on the one hand and by abutment of the second stop member on the other stop area.
  • the first stops may be arranged in the radial direction at a first distance from the axis of rotation and the second stops in the radial direction at a second distance from the axis of rotation.
  • First and second distance are, for example, greater than the distance of the outer side of the rotation limiting element from the axis of rotation, are different from each other and must be at least the
  • a first circumferentially extending radially projecting portion forms, for example, the two second stops, another extending in the circumferential direction area, which adjoins the first region, forms the two first stops.
  • These radially projecting areas thus form a counter-stop element.
  • Circumferential direction determines the remaining angle of rotation.
  • An extent in the circumferential direction of for example 90 ° defines a remaining angle of rotation of 270 °.
  • Circumferential direction may be different, so that the respective rotation angle are also different.
  • each one of the first and second rotation angle may be different.
  • the said areas can be replaced by the aforementioned pins, pins, stoppers or the like, which are arranged at the locations of the respective boundaries of the areas in the circumferential direction and thus form the stops.
  • Another possibility of arranging the stops is an arrangement
  • Stop elements The distance is to be selected such that the stop elements can pass each other without collision during a rotation.
  • the stops can be provided in the circumferential direction at any point, as long as this makes sense
  • Torque results. It is expedient if in each case one of the first stops and one of the second stops are arranged one behind the other in a direction parallel to the axis of rotation, in order to make the associated rotational angle equal to one another, ie symmetrical (see the explanations above for the arrangement
  • the first stops limit a first (imaginary) path, which describes the first stop element around the axis of rotation when the rotation element rotates, the associated center angle (also referred to above as the arc or rotation angle) being ⁇ ⁇ 360 °.
  • the second stops limit a second (imaginary) path, which describes the second stop element about the axis of rotation when the rotation element rotates, the associated center angle ⁇ 2 being ⁇ 360 °.
  • the central angles ⁇ 1 and ⁇ 2 are each in the range from 270 ° to below 360 °.
  • the two central angles are the same.
  • the invention further relates to a microscope stand with an above-explained rotary joint, wherein in particular the rotation element with a microscope indirectly via other interfaces or is directly connected.
  • the invention is illustrated schematically with reference to an embodiment in the drawing and will be described in detail below with reference to the drawing.
  • Figure 1 shows schematically a known microscope stand
  • FIG. 2 schematically shows an embodiment of a rotary joint according to the invention in exploded view
  • Figure 3 shows the hinge of Figure 2 in an assembled form
  • Figures 4a, 4b show schematically the end points of the stops and the
  • the illustrated embodiment of the microscope stand pivot 10 shows as essential elements a support member 4, a rotary member 1 and a
  • Rotation limiting element 5 In the present embodiment, the support member 4 is attached to a microscope stand 100, while the
  • Rotation element 1 is connected via further interfaces with a surgical microscope 106.
  • the rotation element 1 is for the purpose of rotation of the Microscope relative to the (stationary) support member 4 about a rotation axis 6 rotatable. It is clear to a person skilled in the art that a construction is possible in which the support element 4 is rotatable about a rotation axis 6 relative to a (fixed) rotation element 1. It depends only on the possibility of relative rotation between the support member and rotating element.
  • a second stop element 3 is formed on the support element 4.
  • the support element 4 has a cylindrical stand part.
  • the rotary element 1 has a first stop element 2 on the upper side facing the second stop element 3.
  • Rotation limiting element 5 is annular in its basic form and has on its side facing away from the axis of rotation 6 outside
  • Counter-stop element 20 with a first stop region 22 and a second stop region 24.
  • the counter-abutment member 20 is formed integrally with the rotation restricting member 5.
  • Each stop region 22, 24 has a pair of stops, each of which comprises a first stop and a second stop.
  • the first stop region 22 includes a first stop 51 and a second stop 53.
  • the other stop region 24, i. the second stop region 24 comprises a first stop 52 and a second stop 54.
  • the stops 51 to 54 are hollow cylinder segment-like
  • Said counter-abutment element 20 is formed in one piece and extends in the circumferential direction to a
  • the remaining for the respective stop elements respective rotation angle thus each amount to 270 °.
  • the cylindrical support part of the support element 4 engages through the opening of the annular element
  • the rotation element 1 is rotatably mounted on the support member 4.
  • Corresponding bearings are located between support element 4 and
  • Rotational element 1 (not separately indicated in the figures). How it works: It is often necessary during an operation that
  • pivot 10 can be a total of a rotation angle range of 540 ° cover.
  • rotation of the rotary element 1 about the axis of rotation 6 takes place, for example, with the stop element 2, for example, moving away from the first stop 52 in the counterclockwise direction.
  • the stop element 2 which is designed as a pin, the other first stop 51.
  • the first stop element 2 takes on further rotation of the microscope, so the rotation element 1, the rotation restriction element 5 with.
  • Stop area 24 at.
  • Figures 4a and 4b illustrate only schematically the two end position of the rotation limiting element 5 according to this embodiment.
  • the Jacobanschlagselement 20 is displayed in both end positions at the same position, which is only for ease of understanding and does not correspond to the actual use (in fact, according to this embodiment, the stop 3 is known to be stationary).
  • the figures show in particular the rotation limiting element 5 in plan view, ie seen in the direction of the arrow S (see Fig. 2).
  • FIG. 4 a shows that the first stop element 2 bears against the first stop 51 of the first stop region 22, while the stop element 3 rests against the second stop 54 of the second stop region 24. Accordingly, the stop elements 2 and 3 bear against the opposite end of the counter-stop 20.
  • Figure 4a thus shows one of the two end positions of
  • Fig. 4b shows the other end position in limiting the rotational movement.
  • the first stop element 2 is now in contact with the stop 52 of the second stop region 24.
  • the first stop region 22 is now the stopper 3 at.
  • stop elements 2 and 3 are arranged on the different tracks in the end positions, wherein the
  • Stop element 2 in the radial direction more of the axis of rotation of the
  • Rotation limiting element 5 is removed, as the second stop element. 3
  • Embodiment of the rotation restriction member 5 allows this
  • Embodiment a simple and compact design of a microscope tripod swivel joint. LIST OF REFERENCE NUMBERS

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Microscoopes, Condenser (AREA)

Abstract

L'invention concerne une articulation de rotation (10) de pied de microscope. L'articulation de rotation (10) comporte un élément de rotation (1) pouvant tourner autour d'un axe de rotation (6) et un élément de support (4) disposé de manière concentrique par rapport audit élément de rotation. L'élément de rotation (1) est monté de manière à pouvoir tourner sur l'élément de support (4). L'élément de rotation (1) comporte un premier élément de butée (2) et l'élément de support (4) comporte un deuxième élément de butée (3). L'articulation de rotation (10) comporte par ailleurs un élément de limitation de rotation (5) disposé de manière concentrique par rapport à l'élément de support (4) et à l'élément de rotation (1), pouvant tourner autour de l'axe de rotation (6). L'invention vise à proposer une articulation de rotation présentant entre autres un petit nombre de composants et une structure compacte. A cet effet, l'élément de limitation de rotation (5) comprend un élément de contre-butée (20), qui comporte une première zone de butée (22) et une deuxième zone de butée (24). Une rotation de l'élément de rotation (1) autour de l'axe de rotation (6) est délimitée sur chacune des zones de butée (22, 24) par la butée des premier et deuxième éléments de butée (2, 3).
PCT/EP2015/055754 2014-03-24 2015-03-19 Articulation de rotation de pied de microscope et pied de microscope WO2015144546A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014104044.9 2014-03-24
DE102014104044.9A DE102014104044A1 (de) 2014-03-24 2014-03-24 Mikroskopstativ-Drehgelenk und Mikroskopstativ

Publications (1)

Publication Number Publication Date
WO2015144546A1 true WO2015144546A1 (fr) 2015-10-01

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Application Number Title Priority Date Filing Date
PCT/EP2015/055754 WO2015144546A1 (fr) 2014-03-24 2015-03-19 Articulation de rotation de pied de microscope et pied de microscope

Country Status (2)

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DE (1) DE102014104044A1 (fr)
WO (1) WO2015144546A1 (fr)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784435A (en) * 1997-04-23 1998-07-21 General Electric Company X-ray tube support column on a mobile x-ray product with improved rotational flexibility
EP1434076A1 (fr) * 2002-12-27 2004-06-30 Mitaka Kohki Co., Ltd. Dispositif de support rotatif pour équipement médical
DE60016498T2 (de) * 1999-04-28 2005-12-15 Alm Flexibler Drehwinkelbegrenzungsanschlag, Gelenksystem mit solch einem Anschlag und medizinische Ausrüstung mit solch einem Gelenksystem

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5784435A (en) * 1997-04-23 1998-07-21 General Electric Company X-ray tube support column on a mobile x-ray product with improved rotational flexibility
DE60016498T2 (de) * 1999-04-28 2005-12-15 Alm Flexibler Drehwinkelbegrenzungsanschlag, Gelenksystem mit solch einem Anschlag und medizinische Ausrüstung mit solch einem Gelenksystem
EP1434076A1 (fr) * 2002-12-27 2004-06-30 Mitaka Kohki Co., Ltd. Dispositif de support rotatif pour équipement médical

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Publication number Publication date
DE102014104044A1 (de) 2015-09-24

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