Classifications

• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
  • B60B3/14—Attaching disc body to hub ; Wheel adapters
• • 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
  • A61G13/00—Operating tables; Auxiliary appliances therefor
  • A61G13/10—Parts, details or accessories
  • A61G13/104—Adaptations for table mobility, e.g. arrangement of wheels
• • 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
  • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
  • A61G7/002—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame
  • A61G7/018—Control or drive mechanisms
• • 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
  • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
  • A61G7/05—Parts, details or accessories of beds
• • 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
  • A61G7/00—Beds specially adapted for nursing; Devices for lifting patients or disabled persons
  • A61G7/08—Apparatus for transporting beds
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B19/00—Wheels not otherwise provided for or having characteristics specified in one of the subgroups of this group
  • B60B19/003—Multidirectional wheels
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
  • B60B3/14—Attaching disc body to hub ; Wheel adapters
  • B60B3/147—Attaching disc body to hub ; Wheel adapters using wheel adapters
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
  • B60B3/14—Attaching disc body to hub ; Wheel adapters
  • B60B3/16—Attaching disc body to hub ; Wheel adapters by bolts or the like
  • B60B3/165—Attaching disc body to hub ; Wheel adapters by bolts or the like with locking devices for the fixing means, e.g. screw or nut covers
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B3/00—Disc wheels, i.e. wheels with load-supporting disc body
  • B60B3/14—Attaching disc body to hub ; Wheel adapters
  • B60B3/18—Attaching disc body to hub ; Wheel adapters by circlips or the like
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B37/00—Wheel-axle combinations, e.g. wheel sets
  • B60B37/10—Wheel-axle combinations, e.g. wheel sets the wheels being individually rotatable around the axles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
  • B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
  • A61B6/44—Constructional features of apparatus for radiation diagnosis
  • A61B6/4405—Constructional features of apparatus for radiation diagnosis the apparatus being movable or portable, e.g. handheld or mounted on a trolley
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
  • A61B6/00—Apparatus or devices for radiation diagnosis; Apparatus or devices for radiation diagnosis combined with radiation therapy equipment
  • A61B6/44—Constructional features of apparatus for radiation diagnosis
  • A61B6/4429—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units
  • A61B6/4435—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure
  • A61B6/4441—Constructional features of apparatus for radiation diagnosis related to the mounting of source units and detector units the source unit and the detector unit being coupled by a rigid structure the rigid structure being a C-arm or U-arm
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B2200/00—Type of product being used or applied
  • B60B2200/20—Furniture or medical appliances
  • B60B2200/26—Medical appliances
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B2900/00—Purpose of invention
  • B60B2900/20—Avoidance of
  • B60B2900/211—Soiling
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B2900/00—Purpose of invention
  • B60B2900/50—Improvement of
  • B60B2900/541—Servicing
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
  • B60B7/00—Wheel cover discs, rings, or the like, for ornamenting, protecting, venting, or obscuring, wholly or in part, the wheel body, rim, hub, or tyre sidewall, e.g. wheel cover discs, wheel cover discs with cooling fins
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
  • B60K2007/0038—Disposition of motor in, or adjacent to, traction wheel the motor moving together with the wheel axle
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
  • B60K7/00—Disposition of motor in, or adjacent to, traction wheel
  • B60K2007/0092—Disposition of motor in, or adjacent to, traction wheel the motor axle being coaxial to the wheel axle

Definitions

• Mobile medical device with at least one motor-driven wheel
• the invention relates to a mobile medical device which is movable by means of motor-driven wheels on a bottom surface.
• the medical device is, for example, a patient bed or a C-arm X-ray machine.
• Mobile medical devices usually have a chassis with manually or motor-driven wheels and are used in medical areas, especially in operating theaters.
• the soil surface may be contaminated in such an environment, for example by body fluids, rinsing liquids or consumables.
• the Mecanum wheel is a wheel that allows a vehicle equipped with it omnidirectional driving maneuvers without having to be equipped with a mechanical steering.
• On the circumference of the wheel several rotatably mounted barrel-shaped rollers are usually mounted at an angle of 45 degrees to the axis of the entire wheel. Only these rollers make the contact with the soil surface. The rollers have no direct drive of their own and can rotate freely around their inclined bearing axis.
• the entire Mecanum wheel is powered by a variable speed drive motor Speed driven. To realize the omnidirectional driving maneuver, the speed and the direction of rotation of each wheel are individually controlled.
• the Utility Model CN 203226834 U discloses a mobile C-arm X-ray machine with omnidirectional wheels and explains the principle of action of the individual control of each wheel.
• Motorized wheels and omnidirectional wheels such as the Mecanum wheels, are difficult to clean due to their structure or attachment. It is common practice to wipe the floor and equipment in an operating room and to subject it to thorough cleaning and disinfection at specific intervals. Thorough cleaning of the wheels is difficult.
• the motor driven wheel is designed so that it with bare hands, that is, by hand and without tools, such as tools, from a rotatable hub of the mobile medical device removable and re-attachable.
• the invention claims a mobile medical device with at least one motor-driven wheel with which the mobile medical device can be moved.
• the motor-driven wheel is arranged on a motor-driven wheel associated hub and can be reversibly removed by hand and without tools from the hub and reversibly attached to the hub.
• the invention has the advantage that for cleaning the motor-driven wheel this can be very easily removed from the medical device and cleaned, for example, in a suitable washing and disinfecting device.
• the motor-driven wheel is designed as an omnidirectional wheel.
• the hub is rotatably mounted on an axis of the mobile medical device.
• the motor-driven wheel has a locking device, with which the motor-driven wheel can be releasably fixedly connected to the hub and released from the hub.
• grooves may be arranged on the circumference of the hub and engage in these grooves corresponding guide elements of the locking device, wherein the locking device is rotatable.
• the rotatable locking device has grooves and on the circumference of the hub, corresponding guide elements engaging in the grooves are arranged.
• the locking device may comprise a fold-out handle element, which is arranged on the end facing away from the medical device end face of the motor-driven wheel.
• the locking device and the hub can be designed such that the grip element can only be folded in a locked position of the motor-driven wheel.
• the medical device has a cover plate which can be folded over the motor-driven wheel.
• the cover element can only be folded in a locked position of the motor-driven wheel.
• the mobile medical device has a lifting device which can lift the motor-driven wheel from a ground surface.
• an electric motor is arranged in the axle, which drives the motor-driven wheel.
• the mobile medical device may further comprise at least one non-motor driven further wheel with which the mobile medical device is movable with a raised motor-driven wheel.
• the mobile medical device has at least four omnidirectional wheels, which are designed as mecanum wheels.
• the hub is frusto-conical and the motor-driven wheel has a corresponding frustoconical depression.
• at least one anti-rotation element is arranged on the circumference of the hub, which holds the motor-driven wheel against rotation on the hub.
• Omnidirectional wheel in an interior view and a spatial view of a hub is Omnidirectional wheel in an interior view and a spatial view of a hub.
• FIG. 1 shows a mobile medical device 1 with at least one motor-driven wheel 2.
• the mobile medical device 1 has four wheels 2 that are motor-driven by their own electric motor 3.
• an apron-like hinged cover member 4 is disposed above the motor-driven wheel 2, which can be seen in the open position.
• the cover element 4 can be dirt-repellent and additionally act as a cable deflector.
• Fig. 1 also shows the mobile medical device 1 with a lifting device 13 of the motor-driven wheels 2 and with four other wheels 12, which are not powered by a motor.
• each motor-driven wheel 2 has a lifting device 13.
• each motor-driven wheel 2 can be lifted individually from a ground surface.
• the mobile medical device 1 is supported on the remaining non-raised motor-driven wheels 2 on the ground at a wheel change.
• no additional wheels 12 or, for example, supports are needed.
• all the motor-driven wheels 2 can be lifted simultaneously by the lifting devices 13 from the ground surface.
• the mobile medical device 1 has another, second set of wheels consisting of at least two non-motorized wheels 12 or supports on which or the mobile medical device 1 can be supported on the ground surface.
• the raised motor-driven wheels 2 are therefore free and can be removed.
• the lifting device 13 is designed such that the motor-driven wheels 2 to be replaced remain at an unchanged height relative to a chassis of the mobile medical device 1.
• a chassis the entirety of all parts of a mobile device, which serve to connect the structure of the mobile device via the, in this case motor-driven wheels 2, to the road.
• the entire chassis with the help of additional wheels 12 or supports can be lifted from the ground surface.
• the mobile medical device 1 has a second set of wheels, so at least three other non-motorized wheels 12, since they can ensure the failure of the motor drive by the electric motors 3 of the motor-driven wheels 2 that the mobile medical device 1 anyway can be moved and thus they are safety relevant.
• the mobile medical device 1 has four motor-driven wheels 2 in the form of omnidirectional wheels 15, for example Mecanum wheels.
• Mecanum wheels With Mecanum wheels, the direction of rotation and the speed of each individual wheel are controlled separately. This offers the advantage of optimal maneuverability, especially in confined spaces, as is often the case in operating theaters.
• Fig. 2 shows the motor-driven wheel 2, the hub 9, the axle 14 and the electric motor 3 in axial section.
• the electric motor 3 is located in the illustrated embodiment in the axis 14, which is therefore designed as a hollow axle or as a tube.
• the motor-driven wheel 2 is seated on a hub 9 associated with this motor-driven wheel 2, which hub is rotatably mounted on the axle 14. This can be done by wheel bearings, for example in
• the electric motor 3 drives so via a gear and one or more drivers, for example by driving pins or other known means for performing a driver, the hub 3, which transmits the torque to the motor-driven wheel 2.
• Fig. 3 shows a motor-driven wheel 2 in an external view.
• the motor-driven wheel 2 has a concentric integrated into the motor-driven wheel 2
• Locking device 5 wherein the locking device 5 has a fold-handle element 5 on the front side.
• 4 shows a motor-driven wheel 2, which is designed as an omnidirectional wheel 15, in an interior view or from its rear side, the back side being the end face of the motor-driven wheel 2 facing the mobile medical device 1.
• the omnidirectional wheel 15 is designed as a mecanum wheel.
• a frusto-conical recess 8 is formed in the interior of the motor-driven wheel, ie the omnidirectional wheel 15, or in its inner circumference, wherein this frusto-conical recess 8 is formed correspondingly and precisely to the frustoconical design of the hub 9, as shown in FIG. 5 can be seen and will be explained in more detail below.
• the locking device 5 can be seen, which has guide elements 6.
• the guide elements 6 may be formed, for example, as shown in FIG. 4, as pins.
• FIG. 5 shows a hub 9 associated with the motor-driven wheel 2, which carries the motor-driven wheel 2 on its lateral surface and is frustoconical in the present exemplary embodiment.
• Grooves 10 and anti-rotation elements 11 are formed on the circumference of the hub, which ensure that the motor-driven wheel 2 can not rotate with respect to the hub 9 either during operation or during locking.
• the rotatably mounted hub 9 remains on the axle 14 on the chassis.
• the motor-driven wheel 2 as shown in Fig. 4 using the example of the omnidirectional wheel 15, decreased.
• the motor-driven wheel 2 can be inserted and cleaned in a conventional rinsing or cleaning machine in a clinical environment.
• the motor-driven wheel 2 can also be replaced immediately by an already cleaned motor-driven wheel 2.
• the locking device 5 is used for safe removal and fastening of the motor-driven wheel 2, for example in the context of a cleaning of the motor-driven wheel. 2
• this is rotatable.
• grooves 9 are provided on the circumference of the hub 9 or in the rotatable locking device 5, for example helical and at the same time attached to the corresponding counterpart, ie either on the rotatable locking device 5 or on the circumference of the hub 9, guide elements 7.
• the guide elements 7 effect upon rotation of the locking device 5, an axial displacement of the motor-driven wheel 2.
• the locking and unlocking is realized by locking elements, such as balls, which are pressed into the grooves 10 which are arranged on the circumference of the hub 9.
• locking elements such as balls
• the locking device 5 for example, with a centrally arranged hinged hook that pulls the motor-driven wheel 2 when actuated on a sleeve described in the paragraph above and fixed there, locked.
• the centrally arranged hinged hooks can be carried out such that it unlocks the motor-driven wheel 2 by an opposite operation and thus pushes down from the hub 9.
• the handle element 6 can be designed, for example, as a handle for actuating and at the same time designed to carry the wheel. This results in the advantage that the grip element 6 is sufficient only for loosening and carrying.
• the motor-driven wheel 2 upon actuation of the locking device 5, if this is designed to be rotatable, the motor-driven wheel 2 is not rotated relative to the hub 9, the hub 5 on its circumference with the at least one
• Anti-rotation element 11 as shown in Fig. 5, be equipped.
• Anti-rotation element 11 can be formed by an outstanding on the circumference of the hub 9, for example, milled or screwed, element, which may be formed, for example, octagonal.
• Anti-rotation 11 act. If an anti-rotation element 11 and grooves 10 are formed on the circumference of the hub 9 at the same time, they can each be attached to the different ends of the hub 9. For example, are then the outer, smaller - if the hub 9 is frusto-conical, circumference of the hub 9, so the mobile medical device 1 side facing away, the grooves 10 and on the opposite side, ie the outer, larger circumference - if the The fold-out gripping element 6 of the locking device 5 is used to actuate the locking device 5.
• the foldable handle member 6 may be formed as a fold-out handle, so that the unlocked and ist - ne motor-driven wheel 2 can be worn without annoying grasping directly on this handle member 6. This results in a significant advantage, since the motor-driven wheel 2 with bare hands and without any additional aids, such as tools, can be removed.
• the foldable handle member 6 may be designed so that it can be folded only in an attached motor-driven wheel 2 in its initial position when the locking device 5 is in its locked end position, ie fixedly mounted motor-driven wheel 2. This can for example by eccentric Cam can be achieved on the locking device 5 and corresponding recesses on the hub 9 in the locking position. This also brings with it a safety-relevant effect, as a result of accidentally incomplete locking of the motor-driven wheel 2 is immediately visible.
• the cover element 4 of the motor-driven wheel 2 can be folded over, for example during a wheel change, i. be opened. In one embodiment, folding back into the starting position, ie closed position, of the cover element 4 is only possible if the motor-driven wheel 2 is pushed completely to the correct axial position of the hub 9 and the grip element 7 of the locking device 5 is folded.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Health & Medical Sciences (AREA)
• Life Sciences & Earth Sciences (AREA)
• Public Health (AREA)
• General Health & Medical Sciences (AREA)
• Animal Behavior & Ethology (AREA)
• Veterinary Medicine (AREA)
• Nursing (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Transportation (AREA)
• Biomedical Technology (AREA)
• Medical Informatics (AREA)
• Apparatus For Radiation Diagnosis (AREA)
• Accommodation For Nursing Or Treatment Tables (AREA)
• Optics & Photonics (AREA)
• Physics & Mathematics (AREA)
• Biophysics (AREA)
• High Energy & Nuclear Physics (AREA)
• Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
• Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
• Pathology (AREA)
• Radiology & Medical Imaging (AREA)
• Heart & Thoracic Surgery (AREA)
• Molecular Biology (AREA)
• Surgery (AREA)
• Invalid Beds And Related Equipment (AREA)
• Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Priority Applications (4)

Applications Claiming Priority (2)

Publications (1)

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Family Applications (1)

Country Status (6)

Cited By (2)

Families Citing this family (7)

Citations (7)

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• 2015
  • 2015-04-16 DE DE102015206909.5A patent/DE102015206909A1/de not_active Ceased
• 2016
  • 2016-03-24 CN CN201680022264.4A patent/CN107567317A/zh active Pending
  • 2016-03-24 EP EP16714334.6A patent/EP3242802B1/de not_active Not-in-force
  • 2016-03-24 JP JP2017554044A patent/JP6761812B2/ja not_active Expired - Fee Related
  • 2016-03-24 WO PCT/EP2016/056515 patent/WO2016165925A1/de not_active Ceased
  • 2016-03-24 US US15/566,477 patent/US11001098B2/en not_active Expired - Fee Related

Patent Citations (7)

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