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WO2018083300A1 - Dispositif ophtalmologique mobile sur roulettes - Google Patents

Dispositif ophtalmologique mobile sur roulettes Download PDF

Info

Publication number
WO2018083300A1
WO2018083300A1 PCT/EP2017/078338 EP2017078338W WO2018083300A1 WO 2018083300 A1 WO2018083300 A1 WO 2018083300A1 EP 2017078338 W EP2017078338 W EP 2017078338W WO 2018083300 A1 WO2018083300 A1 WO 2018083300A1
Authority
WO
WIPO (PCT)
Prior art keywords
pedal
control device
rollers
rolling
pivot axis
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/EP2017/078338
Other languages
German (de)
English (en)
Inventor
Jürgen Gross
Robin Eichhorn
Dietmar Steinmetz
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Carl Zeiss Meditec AG
Original Assignee
Carl Zeiss Meditec 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 Carl Zeiss Meditec AG filed Critical Carl Zeiss Meditec AG
Publication of WO2018083300A1 publication Critical patent/WO2018083300A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/13—Ophthalmic microscopes
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B3/00—Apparatus for testing the eyes; Instruments for examining the eyes
    • A61B3/10—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions
    • A61B3/102—Objective types, i.e. instruments for examining the eyes independent of the patients' perceptions or reactions for optical coherence tomography [OCT]
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G12/00—Accommodation for nursing, e.g. in hospitals, not covered by groups A61G1/00 - A61G11/00, e.g. trolleys for transport of medicaments or food; Prescription lists
    • A61G12/002—Supply appliances, e.g. columns for gas, fluid, electricity supply
    • A61G12/008—Supply appliances, e.g. columns for gas, fluid, electricity supply mounted on a mobile base, e.g. on a trolley

Definitions

  • the invention relates to a rollable ophthalmic device for examination and / or treatment of an eye, which carries a base body, which bears against a patient alignable optical components, at least three rollers for moving the body, wherein the directional choice of moving mind.
  • One of the rollers on the body pivotally mounted about a pivot axis, and having a control device that controls these at least one roller in terms of freedom to roll and pivot controls.
  • ophthalmic devices are used to examine an eye and may include, but are not limited to, a surgical microscope. Further, ophthalmic devices are also used to treat the eye and may include a laser surgical device. Such ophthalmic devices may be rollable and are often driven to a couch on which a patient is bedded to examine and / or treat the patient. For example, the ophthalmic device is reciprocated between different rooms for use on patients. For this purpose, the ophthalmic device rolls on rollers. It is also known to block these rolls with regard to rolling and / or pivoting, i.d.R. by attaching a corresponding blocking lever to each roller.
  • the object of the invention is to provide a rollable ophthalmic device that can be maneuvered in a simple manner.
  • the invention is defined in claim 1.
  • the dependent claims define preferred developments of the ophthalmic device.
  • the control device can be switched by means of the single pedal in various settings, so that the roles are controlled in the most important functions. For example, the control device in a first setting, the rolling of the rollers, so the
  • the control device can by means of single pedals are brought into a third setting in which the rolling of the roller braked, in particular blocked, is. This can be done, for example, when the ophthalmic device is used to examine and / or treat an eye of the patient.
  • Advantage of the invention is that the control device between these three positions can be controlled by means of a single pedal, which thus serves as a central actuating device. Thus, the handling of the device is simplified.
  • the pedal positions are thus assigned to the movement possibilities of the roller (s) as follows: First position rolling and pivoting possible
  • the ophthalmic device may, for example, comprise a surgical microscope and / or an OCT for examining the eye. Further, the ophthalmic device may comprise an operative instrument, such as a laser surgical instrument, by means of which a disease or ametropia of an eye may be treated. In addition, on the ophthalmic device, an ultrasound device for
  • Treatment and / or examination of an eye may be provided.
  • These devices of the ophthalmic device are arranged, for example, on a base body.
  • the main body may be formed as a plate or other body, by means of which the facilities for the examination and / or treatment of the eye are supported.
  • the control device and / or the pedal can be fastened to the base body.
  • Each of the at least three rollers may be formed as a wheel, a ball roller or the like.
  • the roller may have two wheels that rotate about a common rolling axis when rolling.
  • the roll axis is i. d. R. parallel to the ground and determines the rolling direction.
  • the roller and thus also the roll axis is pivotable about a pivot axis. This means that the
  • Swivel axis and the roll axis do not coincide but an angle, in particular 90 °, enclose each other.
  • the orientation of the rolling direction defined by the rolling axis relative to the base body can be changed, so that it is possible, for example, to steer the ophthalmological device, for example, to drive curves.
  • the control device may block the roller against pivoting about the pivot axis in one or more predetermined pivot directions, so that another Pivoting movement about the pivot axis is no longer possible. Furthermore, the
  • Control device be configured to block the role of the pivot axis in the current situation, so that it is possible to set each pivot position about the pivot axis and thus roll direction fixed.
  • the braking of the movement of the roll about the roll axis in the third position can be designed so that it
  • the control device may comprise a mechanical coupling between the pedal and the roller, so that the position of the pedal by means of the mechanical coupling causes the respective settings of the control device.
  • the control device may also include a detector for detecting a position of the pedal and a motor, which the
  • Control device moves depending on the detected position of the pedal in the corresponding position include.
  • the control device can be made in several parts, so that a separate control part is provided for each role and all control parts are adjusted by the single pedal.
  • the only pedal by means of which the controller is placed in the various settings, on the one hand simplifies the handling of the device and saves on the other costs and effort to manufacture the ophthalmic device because only one pedal must be installed.
  • the single pedal is preferably mounted pivotably about a pedal pivot axis on the base body. It also increases safety, as you do not have to choose between different pedals, if the unwinding is urgently to be blocked.
  • control device in the third position of the pedal additionally blocks the pivoting of the roller about the pivot axis and / or the
  • Control device in the second position of the pedal releases the rolling of the rollers.
  • the fixation of the pivot axis in the third of the control device has the advantage that the ophthalmic device against the ground due to the roll can not be moved because both a rolling and a pivoting of the rollers is blocked. In this way, the ophthalmic device is in a fixed position relative to the patient.
  • Releasing movement of the roller about the roller axis in the second position allows the roller to be locked, even when movement of the roller about the pivot axis is blocked the roll axis is still freely movable, so that the ophthalmological device can be moved in a predetermined direction in a particularly simple manner; For example, the roller is blocked around the pivot axis in such a position that the ophthalmic
  • the pedal is a foot pedal which is movable between a raised position and a lowered position, wherein optionally the pedal in the raised
  • Position moves the control device in the second position and / or wherein the pedal in the lowered position, the control device moves to the third position and / or wherein the pedal is in a middle position, which is located between the raised position and the lowered position, the control device moved to the first position.
  • the pedal is optionally pivotable about the pedal pivot axis, the lowered position being the position occupied by the pedal when pressing on the pedal from above, in the case of a foot pedal.
  • the lowered position is optionally the position at which a movement of the pedal strikes by a pushing movement; the lowered position is preferably an end position of the pedal travel.
  • the raised position of the pedal is in particular the position when the pedal counteracts the pedaling movement from the lowered position to a stop lifts; the raised position is optionally another end position of the pedal travel.
  • the middle position is preferably located midway between the raised position and the lowered position and is optionally arranged such that the pedal is in a horizontal position and can be pulled out of this middle position only by force application. Pressing the pedal will do that
  • Control means are intuitively operated with a foot pedal by a maximum blockage of the device is achieved by pedaling the foot pedal. Since the braking effect is achieved by stepping on the foot pedal, a person moving the ophthalmic device can intuitively counteract undesired acceleration of the ophthalmic device when the base is tilted. The middle position allows the unrolling of the roll, but not for panning. By tightening the pedal to the raised position, the controller is brought into the second setting to release the controlled rollers also about the pivot axis. For the free maneuverability of the ophthalmological device, three rollers are sufficient, of which the control device activates at least one. The use of three or more rollers makes it possible to support the ophthalmic device alone on the rollers on the ground.
  • Each roll can be swiveled.
  • arranged on a transverse axis rollers can be pivotal, analogous to the rear wheels of a tricycle or car.
  • the roles can be identical.
  • the control device is designed to release some or all roles according to the position of the pedal or to brake or block. It is therefore only necessary to confirm the one pedal to change the freedom of movement of the controlled roles (rolling and / or panning).
  • a further improvement of the maneuverability of the ophthalmological device is achieved in a preferred development in that the pedal is arranged on a front side (relative to the movement of the device) of the base body, wherein the roller (s) on the front and the opposite back of Base body, are arranged.
  • the first front side of the main body is the side of the ophthalmic device on which the ophthalmic device is pushed or pulled, for. B. on handles and / or rods.
  • Movement possibility of the ophthalmic device can be adjusted.
  • the maneuverability can be improved.
  • the leverage for cornering movements is particularly advantageous so that steering of the ophthalmic device is facilitated.
  • a further improvement of the maneuverability of the ophthalmological device can be achieved in a further development in that the control device actuates only the rollers which lie on the front or rear side.
  • the other rollers are then pivotal and roll free or are optionally controlled by the controller only according to the second setting (free rolling without panning) and the third setting (completely blocked).
  • the control device comprises a mechanical coupling mechanism and a blocking device, optionally the
  • Coupling mechanism transmits the position of the pedal on the blocking device and further optionally optionally the blocking device is designed to block a movement of the rollers about the pivot axis and to decelerate a movement of the rollers about the roll axis.
  • the coupling mechanism may be attached to the body and having rods and / or joints.
  • the blocking device may be formed integrally with the respective roller, so that a unit of roller and blocking device is attached to the base body.
  • Switch cam is slowed down movement of the roller about the roll axis and / or blocked movement of the roller about the pivot axis.
  • the blocking device and the roller can be, for example, a prefabricated unit, as described for example by Tente, z. Eg as the product double roller with directional and total locking position, special switching torque, Ident. No. 0006317-KK, No. 2944UAC150R36-32 4xM6.
  • Fig. 1 is a schematic representation of a plan view of an ophthalmic
  • FIG. 2 is a schematic side view of a portion of the ophthalmic device with a control device in a first position
  • FIG. 3 shows a schematic side view according to FIG. 2, the control device being in the second position
  • Fig. 4 is a schematic side view of Figure 2 and 3, wherein the
  • Control device is in the third position.
  • An ophthalmic device 10 comprises a main body 12, one or more, in particular four, rollers 14, a surgical microscope 16 and a laser surgical
  • the ophthalmic device 10 may alternatively or additionally include other means for examining and / or treating a patient's eye.
  • an OCT device and / or an ultrasound device may be provided.
  • the surgical microscope 16 is used
  • a refractive error of the eye can be treated or a
  • the base body 12 may be formed, for example, as a base plate which carries the surgical microscope 16 and / or the laser surgical device 18.
  • the rollers 14 are attached to the base body 12 and serve in particular that the ophthalmic device 10 can be rolled over a substrate.
  • a pedal 20 is provided, which is provided on a front side 22 of the ophthalmic device 10 and the main body 12 - the term "front side" is optionally related to the side from which an operator moves the device, for example because there At or near this front face 22 are two of the four rollers 14.
  • Two or more rollers 14 are provided at or near an opposite rear face 24.
  • the ophthalmic device 10 has a single pedal 20 acting as a central positioning device for movability the rollers 14. As can be seen in particular in Figures 2 to 4, the ophthalmic
  • the Device 10 further comprises a control device 26.
  • the control device 26 is formed in the illustrated embodiment as a mechanical coupling mechanism us 28, which transmits a position of the pedal 20 to the rollers 14.
  • the Kopplungsmechanism us 28 has a linkage and hinges.
  • the pedal 20 is pivotally attached to the base body 12 at the front 20 about a pedal pivot axis 30 and is movable between a middle position (see FIG. 2), a raised position (see FIG. 3), and a lowered position (see FIG. 4).
  • the pedal 20 In the m ittleren position, which is located between the lowered and the raised position, the pedal 20, for example, in a horizontal position, that is parallel to the ground. By pedaling the pedal 20 from the middle position, it is moved to the lowered position.
  • the pedal 20 By raising the pedal 20, eg with the toe, from the middle position, the pedal 20 is moved to the raised position. Both operations require some force, as the pedal 20 engages in the middle position.
  • the pedal 20 is here a foot pedal.
  • the respective position of the pedal 20 adjusts the control device which releases or locks the rollers 14 accordingly. This means that the control device 26 can be switched from a first setting into a second setting and from there into a third setting, as indicated in FIGS. 2 to 4 by the numbers set in circles.
  • the roller 14 has at least one roller or wheel 32 and a blocking device 34. By means of the blocking device 34, the wheel 32 is fixed to the base body 12; the
  • Blocking device 34 can be regarded as a part of the control device 26.
  • the wheel 32 rotates while rolling about a roll axis 32 when the ophthalmic device 10 is rolled over the ground. Furthermore, the wheel 32 is pivotable about a pivot axis 38, which means that the roll axis 36 can be rotated about the pivot axis 38. In this way, the orientation of the roller 14 can be changed.
  • the blocking device 34 can brake or block the wheel 32 about the roll axis 36 and / or release it around the pivot axis 38 or block it.
  • the roll axis 36 includes an angle with the pivot axis 38; in the illustrated embodiment, this angle is 90 °.
  • the wheel 32 can rotate freely about the roll axis 36 and also around the roll axis
  • Swivel pivot axis 38 freely. If the control device 26 is in the second setting (the pedal 20 is in the raised position, for example), the wheel 32 may roll, but is blocked from moving about the pivot axis 38. In the third setting of the control unit 26 (the pedal 20 is located, for example, in the lowered position), a movement of the wheel 32 about the roll axis 36 is braked, in particular blocked. Optionally, movement of the wheel 32 about the pivot axis 38 may also be blocked. This variant is preferred in terms of safety.
  • the control device 26 controls the rollers 14 on the back 24 in the manner described above according to the position of the pedal 20. Further, it is optionally possible that one or both rollers 14 on the front side 22 are also controlled by the control device 26. However, it is also possible that one or both of the rollers 14 of the first front side 22 will only be either fully released (first adjustment) or blocked (third adjustment). For this purpose, the blocking device 34 may be designed to realize only the first and third settings of the control device 26. Moreover, it is also possible that one or both rollers 14 on the front or the back not at all
  • Control device 26 is / are controlled and, for example, always unroll, but can not pivot.
  • the operation of the ophthalmic device 10, in particular the maneuvering of the ophthalmic device 10, is described below:
  • the pedal 20 In order to roll freely the ophthalmic device 10, the pedal 20 is brought into the raised position, so that the control device 26 is in the first setting. All rollers 14 can unroll it freely and pivot about the pivot axis 38. In this case, the ophthalmic device 10 is pushed or pulled on the first side 22.
  • the pedal 20 is brought into the upper position (and thus the controller 26 in the second setting), so that a pivoting of the controlled roller (s) 32 is blocked.
  • the ophthalmic device 10 When the ophthalmic device 10 has been rolled to a desired position, it is blocked in it by pedaling the pedal 20. The same can be done if the device rolls undesirable.
  • the braking of the ophthalmic device 10 is particularly intuitive, since the lowered position of the pedal 20 coincides with a natural braking operation known from the automotive field. In the lowered position of the pedal 20 or in the third setting of the control device 26, the movement of the roller 32 is blocked or braked about the roller axis 36, so that a further movement of the
  • ophthalmic device 10 is no longer possible. This is useful, for example, to position the ophthalmic device 10 with respect to a patient.
  • the three positions of the pedal with respect to their effect on the setting of the control device may also be assigned differently.
  • the assignment is selectable, e.g. by plugging a coding plug on the pedal.
  • the stepping of the foot pedal from the middle position may be associated with an increasing expenditure of force, which is connected to the unwinding with increasing braking force.
  • the foot pedal then snaps into the lowered position in which the roller (s) is blocked from rolling off.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Biophysics (AREA)
  • Physics & Mathematics (AREA)
  • Ophthalmology & Optometry (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Nursing (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Mechanical Control Devices (AREA)

Abstract

L'invention concerne un dispositif ophtalmologique mobile sur roulettes destiné à examiner et/ou traiter un œil, comprenant un corps principal (12) portant des éléments optiques qui peuvent être dirigés en face d'un patient, au moins trois roulettes (14) pour déplacer le corps principal et pour permettre de choisir la direction de déplacement, au moins deux des roulettes (14) étant fixées sur le corps principal (12) de façon à pivoter autour d'un axe de pivotement (38), et un dispositif de commande (26) réglable au moyen d'une seule pédale (20) qui, dans une première position de la pédale (20), permet le roulage d'au moins une des roulettes (14) et le pivotement d'au moins deux des roulettes (14) autour de l'axe de pivotement (38), dans une deuxième position de la pédale (20), bloque le pivotement et dans une troisième position de la pédale (2), empêche le roulage.
PCT/EP2017/078338 2016-11-07 2017-11-06 Dispositif ophtalmologique mobile sur roulettes Ceased WO2018083300A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016121217.2A DE102016121217A1 (de) 2016-11-07 2016-11-07 Rollbare ophthalmologische Vorrichtung
DE102016121217.2 2016-11-07

Publications (1)

Publication Number Publication Date
WO2018083300A1 true WO2018083300A1 (fr) 2018-05-11

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ID=60450598

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/078338 Ceased WO2018083300A1 (fr) 2016-11-07 2017-11-06 Dispositif ophtalmologique mobile sur roulettes

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DE (1) DE102016121217A1 (fr)
WO (1) WO2018083300A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007011386U1 (de) * 2007-08-14 2008-01-10 Yan, Li-Lan, Puzih City Rollenbeschlag
JP2012140098A (ja) * 2010-12-31 2012-07-26 Nagayama Denshi Kogyo Kk キャスター装置及びキャスター付き台車
DE102012100852A1 (de) * 2012-02-02 2013-08-08 Sunny Castors Co., Ltd. Arretiermechanismus für Rollen
WO2014085911A1 (fr) * 2012-12-05 2014-06-12 Tornado Medical Systems, Inc. Système et procédé pour une imagerie oct grand angle

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2722230C3 (de) * 1977-05-17 1980-01-03 Huelsta Werke Huels Kg, 4424 Stadtlohn Feststellvorrichtung für Lauf räder
CZ16128U1 (cs) * 2005-11-10 2006-01-02 Linet, Spol. S R. O. Podvozek pro nemocnicní luzko
US9266392B2 (en) * 2011-11-14 2016-02-23 Linak A/S Castor control system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202007011386U1 (de) * 2007-08-14 2008-01-10 Yan, Li-Lan, Puzih City Rollenbeschlag
JP2012140098A (ja) * 2010-12-31 2012-07-26 Nagayama Denshi Kogyo Kk キャスター装置及びキャスター付き台車
DE102012100852A1 (de) * 2012-02-02 2013-08-08 Sunny Castors Co., Ltd. Arretiermechanismus für Rollen
WO2014085911A1 (fr) * 2012-12-05 2014-06-12 Tornado Medical Systems, Inc. Système et procédé pour une imagerie oct grand angle

Also Published As

Publication number Publication date
DE102016121217A1 (de) 2018-05-09

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