US20150328068A1 - Tiltable Patient-Supporting Apparatus and Method of Tilting a Patient-Supporting Apparatus - Google Patents
Tiltable Patient-Supporting Apparatus and Method of Tilting a Patient-Supporting Apparatus Download PDFInfo
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- US20150328068A1 US20150328068A1 US14/711,261 US201514711261A US2015328068A1 US 20150328068 A1 US20150328068 A1 US 20150328068A1 US 201514711261 A US201514711261 A US 201514711261A US 2015328068 A1 US2015328068 A1 US 2015328068A1
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- patient
- supporting apparatus
- scissors
- rotation
- linkage
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- 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
- A61G7/005—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame tiltable around transverse horizontal axis, e.g. for Trendelenburg position
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0487—Motor-assisted positioning
-
- 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
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/04—Adjustable operating tables; Controls therefor tiltable around transverse or longitudinal axis
-
- 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
- A61G13/02—Adjustable operating tables; Controls therefor
- A61G13/06—Adjustable operating tables; Controls therefor raising or lowering of the whole table surface
-
- 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
- A61G7/012—Beds specially adapted for nursing; Devices for lifting patients or disabled persons having adjustable mattress frame raising or lowering of the whole mattress frame
-
- 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
- A61G2200/00—Information related to the kind of patient or his position
- A61G2200/30—Specific positions of the patient
- A61G2200/32—Specific positions of the patient lying
-
- 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
- A61G2210/00—Devices for specific treatment or diagnosis
- A61G2210/50—Devices for specific treatment or diagnosis for radiography
Definitions
- the present embodiments relate to a tiltable patient-supporting apparatus with a lifting apparatus and a method of tilting such a patient-supporting apparatus.
- Patient-supporting apparatuses may be adjusted vertically in height by a lifting apparatus.
- DE 10 2004 016 728 A1 discloses a lifting apparatus having an upper part and a lower part.
- the lifting apparatus has a lifting linkage that connects the upper part to the lower part and has two sub-linkages that are connected to one another via connecting articulations.
- the lifting apparatus also has a drive unit for adjusting the height of the upper part. The drive unit acts on one of the connecting articulations.
- FIG. 1 shows an oblique view of such a lifting apparatus 1 .
- the lifting apparatus 1 includes a lower part 2 , in the form of a base plate, an upper part 3 , for accommodating a patient support, and a lifting linkage 4 that is configured in the form of a double scissors mechanism or double scissors structure.
- the lifting apparatus includes two scissors-structure pairs 5 , 6 as sub-linkages. The two scissors-structure pairs 5 , 6 are connected to one another in an articulated manner.
- the lower scissors-structure pair 6 is connected to the base plate 2 in an articulated manner via front scissors feet 7 .
- Rear scissors feet 8 of the lower scissors-structure pair 6 are connected to one another via a slide that, when the double scissors structure 4 is opened and closed, runs back and forth in the running direction 11 on a running rail (not visible) fastened on the base plate 2 .
- a horizontally arranged electric motor 12 is fastened on the base plate 2 .
- the axis of rotation 13 of the electric motor 12 runs parallel to the running direction 11 of the slide 9 (not visible). There is sufficient space for arranging a measure-control (not depicted) above the electric motor 12 .
- a toothed gear mechanism 14 that converts the rotary movement of the electric motor 12 into a linear movement of a telescopic spindle 15 .
- the telescopic spindle runs perpendicularly to the axis of rotation 13 of the electric motor 12 and is arranged between the front scissors-structure feet 7 and beneath the front connecting articulation 16 of the double scissors structure 4 .
- the telescopic spindle 15 is configured in the form of a trapezoidal screw spindle and has a spindle head connected in an articulated manner to the front connecting articulation 16 of the double scissors structure 4 via a transverse connection 17 .
- the electric motor 12 is switched on, and the telescopic spindle 15 is extended and/or retracted.
- the connecting articulation 16 of the double scissors structure 4 executes a rectilinear movement in the vertical direction 18 at a constant speed.
- the slide moves in the running direction 11 .
- the axis of rotation 13 of the electric motor 12 runs perpendicularly to the spindle axis.
- the patient In radiography, for a fair number of imaging-recording operations and interventions, for a patient lying on a patient-supporting apparatus, the patient is to be tilted about a horizontal transverse axis (e.g., transverse to the direction in which the patient is lying). This allows internal organs to be displaced or moved into a position that is advantageous for image-recording purposes (e.g., for recording images of the abdomen or thorax).
- a tiltable patient-supporting apparatus and a method for tilting a patient-supporting apparatus are provided.
- a tilting movement of the patient-supporting apparatus is generated via a displacement of the point of rotation in the central articulation of a scissors-form lifting linkage.
- the displacement may take place either in a purely translatory manner via a linear guide or in rotary manner via an eccentric.
- the lifting apparatus includes an upper part, a lower part, and a lifting linkage that connects the upper part to the lower part.
- the lifting linkage includes at least one scissors-form sub-linkage having a central articulation.
- the point of rotation of the central articulation is configured to be moveable (e.g., in a translatory or rotary manner), and therefore, the upper part may be tilted in the transverse direction (e.g., about a transverse axis of a patient).
- a further advantage is that many of the components used in known lifting scissors structures may be used without modification (e.g., linear guide at the bottom, lifting drive, lifting linkage at the bottom, table top/lifting scissors structure interface, etc.), and the tilting mechanism may be integrated in existing lifting scissors structures e.g., retrofitting).
- the upper part may be configured in the form of a table top or for a table top to be arranged on the upper part.
- the patient-supporting apparatus includes two sub-linkages that are arranged one above the other and are connected to connecting articulations so as to form a double scissors structure.
- the central articulation may be formed in the upper sub-linkage or in both sub-linkages.
- the patient-supporting apparatus includes a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm may be rotated about the point of rotation.
- the apparatus also includes a slot that is formed in the first scissors arm and in which the point of rotation of the central articulation is arranged in a displaceable manner. A linear guide is formed in this way.
- the patient-supporting apparatus includes a first drive unit that displaces the point of rotation in the slot.
- the patient-supporting apparatus includes a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm may be rotated about the point of rotation.
- the central articulation is configured in the form of an eccentric that rotates the point of rotation eccentrically. A rotating movement may thereby be provided.
- the apparatus includes a second drive unit that rotates the eccentric.
- the apparatus includes a third drive unit, for adjusting the height of the upper part.
- the third drive unit acts on one of the connecting articulations.
- the third drive unit may be configured for a rectilinear movement of the upper part in the vertical direction.
- One or more of the present embodiments also provide a method of tilting a patient-supporting apparatus.
- the point of rotation of the central articulation is moved such that the upper part is tilted in the transverse direction (e.g., about a transverse axis formed transversely to the direction in which a patient is supported).
- FIG. 1 shows a three-dimensional view of a patient-supporting apparatus according to the prior art
- FIGS. 2A-2C shows three side views of one embodiment of a tiltable patient-supporting apparatus
- FIGS. 3A and 3B shows two side views of a further embodiment of a tiltable patient-supporting apparatus.
- FIGS. 2A-2C show a side view of one embodiment of a patient-supporting apparatus with a lifting apparatus 1 that is arranged between a lower part 2 and an upper part 3 .
- the lifting apparatus 1 may lift the upper part 3 vertically in relation to the lower part 2 .
- the upper part 3 may be configured in the form of a table top or may serve as a holder for a table top.
- the lifting apparatus 1 includes a lifting linkage 4 that is formed from two scissors-form sub-linkages 9 arranged one above the other (e.g., upper and lower sub-linkages).
- the upper and the lower sub-linkages 9 are connected to one another in a movable manner via connecting articulations 16 .
- a third drive unit 30 responsible for the vertical movement of the lifting linkage 4 , acts on one of the connecting articulations 16 .
- the lifting linkage 4 may be formed from scissors-structure pairs.
- a rear scissors foot 8 is fixed to the lower part 2 .
- a front scissors foot 7 is arranged such that the front scissors foot 7 may be displaced in a linear guide 31 , and this allows the lifting linkage 4 to execute the vertical movement during opening and closing of the sub-linkages 9 .
- the upper sub-linkage 9 includes a first scissors arm 25 and a second scissors arm 26 that are both connected to one another by a central articulation 10 , such that the first scissors arm 25 and the second scissors arm 26 may be rotated about the point of rotation 20 . So that the upper part 3 may execute a rotating tilting movement 27 (e.g., a tilting action about a transverse axis), the point of rotation 20 of the central articulation 10 may be displaced in the displacement direction 21 in a slot 23 formed in the first scissors arm 25 . The displacement takes place with the aid of a first drive unit 28 (illustration B).
- the first drive unit 28 may include, for example, a ball screw spindle.
- the displacement of the point of rotation 20 causes the upper end of the second scissors arm 26 to be displaced in the vertical direction.
- the upper end of the first scissors arm 25 maintains a vertical position. This results in the tilting movement 27 , which inclines the upper part 3 in relation to a horizontal.
- FIGS. 3A and 3B show a side view of another embodiment of a further patient-supporting apparatus with a lifting apparatus 1 .
- the lifting apparatus 1 is arranged between a lower part 2 and an upper part 3 and may lift the upper part 3 vertically in relation to the lower part 2 .
- the upper part 3 serves as a holder for a table top 32 , on which a patient may lie.
- the lifting apparatus 1 includes a lifting linkage 4 that is formed from two scissors-form sub-linkages 9 arranged one above the other.
- the upper and the lower sub-linkages 9 are connected to one another via connecting articulations 16 .
- a third drive unit 30 responsible for the vertical movement of the lifting linkage 4 , acts on one of the connecting articulations 16 .
- the lifting linkage may also be formed from scissors-structure pairs.
- the rear scissors foot 8 is fixed to the lower part 2 .
- the front scissors foot 7 is arranged such that the front scissors foot 7 may be displaced in a linear guide 31 , so that the lifting linkage 4 may execute the vertical movement.
- the upper sub-linkage 9 includes a first scissors arm 25 and a second scissors arm 26 that are connected to one another by a central articulation 10 such that the first scissors arm 25 and the second scissors arm 26 may be rotated about the point of rotation 20 .
- the central articulation 10 is configured in the form of an eccentric 24 .
- the point of rotation 20 of the central articulation 10 may rotate eccentrically in the direction of rotation 22 .
- the rotation of the eccentric 24 takes place with the aid of a second drive unit 29 (illustration B).
- the second drive unit 29 may have a worm-gear mechanism (e.g., a worm wheel). The worm wheel is fitted on the eccentric 24 .
- an eccentric 24 is a control disk that is fitted on a shaft and of which a center point is located outside the shaft axis.
- the eccentric 24 may convert rotary movements into lengthwise movements.
- the rotation of the point of rotation 20 causes the upper end of the first scissors arm 25 to be displaced in the vertical (and horizontal) direction, wherein the upper end of the second scissors arm 26 maintains a vertical position. This results in the tilting movement 27 , which inclines the upper part 3 in relation to a horizontal.
- the configuration also gives rise to the upper part 3 being displaced horizontally when the upper part 3 is tilted.
- This undesired movement may be compensated for straightforwardly by a horizontal movement in the opposite direction of the patient-supporting apparatus. This is illustrated by way of example in FIG. 2C .
- the upper part 3 may be displaced with the aid of the fourth drive unit 33 .
- the scissors mechanism may be integrated in just one of the two sub-linkages 9 (as illustrated in FIGS. 2A-2C and 3 A- 3 B) or else in both sub-linkages 9 .
Abstract
A patient-supporting apparatus includes a lifting apparatus. The lifting apparatus includes an upper part, a lower part, and a lifting linkage. The lifting linkage connects the upper part to the lower part and has at least one scissors-form sub-linkage having a central articulation. A point of rotation of the central articulation is arranged in a displaceable manner such that the upper part may be tilted in a transverse direction.
Description
- This application claims the benefit of
DE 10 2014 209 016.4, filed on May 13, 2014, which is hereby incorporated by reference in its entirety. - The present embodiments relate to a tiltable patient-supporting apparatus with a lifting apparatus and a method of tilting such a patient-supporting apparatus.
- Patient-supporting apparatuses may be adjusted vertically in height by a lifting apparatus. DE 10 2004 016 728 A1 discloses a lifting apparatus having an upper part and a lower part. The lifting apparatus has a lifting linkage that connects the upper part to the lower part and has two sub-linkages that are connected to one another via connecting articulations. The lifting apparatus also has a drive unit for adjusting the height of the upper part. The drive unit acts on one of the connecting articulations.
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FIG. 1 shows an oblique view of such alifting apparatus 1. Thelifting apparatus 1 includes alower part 2, in the form of a base plate, anupper part 3, for accommodating a patient support, and a lifting linkage 4 that is configured in the form of a double scissors mechanism or double scissors structure. The lifting apparatus includes two scissors-structure pairs structure pairs - The lower scissors-
structure pair 6 is connected to thebase plate 2 in an articulated manner viafront scissors feet 7.Rear scissors feet 8 of the lower scissors-structure pair 6 are connected to one another via a slide that, when the double scissors structure 4 is opened and closed, runs back and forth in the running direction 11 on a running rail (not visible) fastened on thebase plate 2. - Between the front and the
rear scissors feet structure pair 6, a horizontally arrangedelectric motor 12 is fastened on thebase plate 2. The axis ofrotation 13 of theelectric motor 12 runs parallel to the running direction 11 of the slide 9 (not visible). There is sufficient space for arranging a measure-control (not depicted) above theelectric motor 12. - Located between the
front scissors feet 7 is atoothed gear mechanism 14 that converts the rotary movement of theelectric motor 12 into a linear movement of atelescopic spindle 15. The telescopic spindle runs perpendicularly to the axis ofrotation 13 of theelectric motor 12 and is arranged between the front scissors-structure feet 7 and beneath thefront connecting articulation 16 of the double scissors structure 4. Thetelescopic spindle 15 is configured in the form of a trapezoidal screw spindle and has a spindle head connected in an articulated manner to thefront connecting articulation 16 of the double scissors structure 4 via atransverse connection 17. - For a height adjustment of the
upper part 3, theelectric motor 12 is switched on, and thetelescopic spindle 15 is extended and/or retracted. The connectingarticulation 16 of the double scissors structure 4 executes a rectilinear movement in thevertical direction 18 at a constant speed. The slide moves in the running direction 11. The axis ofrotation 13 of theelectric motor 12 runs perpendicularly to the spindle axis. - In radiography, for a fair number of imaging-recording operations and interventions, for a patient lying on a patient-supporting apparatus, the patient is to be tilted about a horizontal transverse axis (e.g., transverse to the direction in which the patient is lying). This allows internal organs to be displaced or moved into a position that is advantageous for image-recording purposes (e.g., for recording images of the abdomen or thorax).
- The scope of the present invention is defined solely by the appended claims and is not affected to any degree by the statements within this summary.
- The present embodiments may obviate one or more of the drawbacks or limitations in the related art. For example, a tiltable patient-supporting apparatus and a method for tilting a patient-supporting apparatus are provided.
- According to one or more of the present embodiments, a tilting movement of the patient-supporting apparatus is generated via a displacement of the point of rotation in the central articulation of a scissors-form lifting linkage. The displacement may take place either in a purely translatory manner via a linear guide or in rotary manner via an eccentric.
- One or more of the present embodiments provide a patient-supporting apparatus with a lifting apparatus. The lifting apparatus includes an upper part, a lower part, and a lifting linkage that connects the upper part to the lower part. The lifting linkage includes at least one scissors-form sub-linkage having a central articulation. The point of rotation of the central articulation is configured to be moveable (e.g., in a translatory or rotary manner), and therefore, the upper part may be tilted in the transverse direction (e.g., about a transverse axis of a patient).
- It is an advantage of the present embodiments that, without any additional subassemblies being provided between a lifting scissors structure and a table top (e.g., upper part) or between the lower part and the lifting scissors structure, a tilting movement may be generated. The necessary amount of installation space thus remains small, and the minimum rise height may be kept as low as possible.
- A further advantage is that many of the components used in known lifting scissors structures may be used without modification (e.g., linear guide at the bottom, lifting drive, lifting linkage at the bottom, table top/lifting scissors structure interface, etc.), and the tilting mechanism may be integrated in existing lifting scissors structures e.g., retrofitting).
- In a development of the apparatus, the upper part may be configured in the form of a table top or for a table top to be arranged on the upper part.
- In a further embodiment, the patient-supporting apparatus includes two sub-linkages that are arranged one above the other and are connected to connecting articulations so as to form a double scissors structure. The central articulation may be formed in the upper sub-linkage or in both sub-linkages.
- In a further embodiment, the patient-supporting apparatus includes a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm may be rotated about the point of rotation. The apparatus also includes a slot that is formed in the first scissors arm and in which the point of rotation of the central articulation is arranged in a displaceable manner. A linear guide is formed in this way.
- In a further configuration, the patient-supporting apparatus includes a first drive unit that displaces the point of rotation in the slot.
- In a further embodiment, the patient-supporting apparatus includes a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm may be rotated about the point of rotation. The central articulation is configured in the form of an eccentric that rotates the point of rotation eccentrically. A rotating movement may thereby be provided.
- In a development, the apparatus includes a second drive unit that rotates the eccentric.
- In one embodiment, the apparatus includes a third drive unit, for adjusting the height of the upper part. The third drive unit acts on one of the connecting articulations.
- In one embodiment, the third drive unit may be configured for a rectilinear movement of the upper part in the vertical direction.
- One or more of the present embodiments also provide a method of tilting a patient-supporting apparatus. The point of rotation of the central articulation is moved such that the upper part is tilted in the transverse direction (e.g., about a transverse axis formed transversely to the direction in which a patient is supported).
-
FIG. 1 shows a three-dimensional view of a patient-supporting apparatus according to the prior art; -
FIGS. 2A-2C shows three side views of one embodiment of a tiltable patient-supporting apparatus; and -
FIGS. 3A and 3B shows two side views of a further embodiment of a tiltable patient-supporting apparatus. -
FIGS. 2A-2C show a side view of one embodiment of a patient-supporting apparatus with alifting apparatus 1 that is arranged between alower part 2 and anupper part 3. Thelifting apparatus 1 may lift theupper part 3 vertically in relation to thelower part 2. Theupper part 3 may be configured in the form of a table top or may serve as a holder for a table top. - The
lifting apparatus 1 includes a lifting linkage 4 that is formed from two scissors-form sub-linkages 9 arranged one above the other (e.g., upper and lower sub-linkages). The upper and thelower sub-linkages 9 are connected to one another in a movable manner via connectingarticulations 16. Athird drive unit 30, responsible for the vertical movement of the lifting linkage 4, acts on one of the connectingarticulations 16. In one embodiment, as illustrated inFIG. 1 , the lifting linkage 4 may be formed from scissors-structure pairs. Arear scissors foot 8 is fixed to thelower part 2. Afront scissors foot 7 is arranged such that thefront scissors foot 7 may be displaced in alinear guide 31, and this allows the lifting linkage 4 to execute the vertical movement during opening and closing of thesub-linkages 9. - The
upper sub-linkage 9 includes afirst scissors arm 25 and asecond scissors arm 26 that are both connected to one another by acentral articulation 10, such that thefirst scissors arm 25 and thesecond scissors arm 26 may be rotated about the point ofrotation 20. So that theupper part 3 may execute a rotating tilting movement 27 (e.g., a tilting action about a transverse axis), the point ofrotation 20 of thecentral articulation 10 may be displaced in the displacement direction 21 in aslot 23 formed in thefirst scissors arm 25. The displacement takes place with the aid of a first drive unit 28 (illustration B). Thefirst drive unit 28 may include, for example, a ball screw spindle. - The displacement of the point of
rotation 20 causes the upper end of thesecond scissors arm 26 to be displaced in the vertical direction. The upper end of thefirst scissors arm 25 maintains a vertical position. This results in thetilting movement 27, which inclines theupper part 3 in relation to a horizontal. -
FIGS. 3A and 3B show a side view of another embodiment of a further patient-supporting apparatus with alifting apparatus 1. Thelifting apparatus 1 is arranged between alower part 2 and anupper part 3 and may lift theupper part 3 vertically in relation to thelower part 2. Theupper part 3 serves as a holder for atable top 32, on which a patient may lie. - The
lifting apparatus 1 includes a lifting linkage 4 that is formed from two scissors-form sub-linkages 9 arranged one above the other. The upper and thelower sub-linkages 9 are connected to one another via connectingarticulations 16. Athird drive unit 30, responsible for the vertical movement of the lifting linkage 4, acts on one of the connectingarticulations 16. As illustrated inFIG. 1 , the lifting linkage may also be formed from scissors-structure pairs. Therear scissors foot 8 is fixed to thelower part 2. Thefront scissors foot 7 is arranged such that thefront scissors foot 7 may be displaced in alinear guide 31, so that the lifting linkage 4 may execute the vertical movement. - The
upper sub-linkage 9 includes afirst scissors arm 25 and asecond scissors arm 26 that are connected to one another by acentral articulation 10 such that thefirst scissors arm 25 and thesecond scissors arm 26 may be rotated about the point ofrotation 20. So that theupper part 3 may execute a rotating tilting movement 27 (e.g., a tilting action about a transverse axis), thecentral articulation 10 is configured in the form of an eccentric 24. As a result of this, the point ofrotation 20 of thecentral articulation 10 may rotate eccentrically in the direction of rotation 22. The rotation of the eccentric 24 takes place with the aid of a second drive unit 29 (illustration B). The second drive unit 29 may have a worm-gear mechanism (e.g., a worm wheel). The worm wheel is fitted on the eccentric 24. - In mechanics and mechanical engineering, an eccentric 24 is a control disk that is fitted on a shaft and of which a center point is located outside the shaft axis. The eccentric 24 may convert rotary movements into lengthwise movements.
- The rotation of the point of
rotation 20 causes the upper end of thefirst scissors arm 25 to be displaced in the vertical (and horizontal) direction, wherein the upper end of thesecond scissors arm 26 maintains a vertical position. This results in thetilting movement 27, which inclines theupper part 3 in relation to a horizontal. - In the embodiments according to
FIGS. 2A-2C and 3A-3B, the configuration also gives rise to theupper part 3 being displaced horizontally when theupper part 3 is tilted. This undesired movement may be compensated for straightforwardly by a horizontal movement in the opposite direction of the patient-supporting apparatus. This is illustrated by way of example inFIG. 2C . Theupper part 3 may be displaced with the aid of thefourth drive unit 33. - Depending on the design and tilting angle required, the scissors mechanism according to one or more of the present embodiments may be integrated in just one of the two sub-linkages 9 (as illustrated in
FIGS. 2A-2C and 3A-3B) or else in bothsub-linkages 9. - The elements and features recited in the appended claims may be combined in different ways to produce new claims that likewise fall within the scope of the present invention. Thus, whereas the dependent claims appended below depend from only a single independent or dependent claim, it is to be understood that these dependent claims may, alternatively, be made to depend in the alternative from any preceding or following claim, whether independent or dependent. Such new combinations are to be understood as forming a part of the present specification.
- While the present invention has been described above by reference to various embodiments, it should be understood that many changes and modifications can be made to the described embodiments. It is therefore intended that the foregoing description be regarded as illustrative rather than limiting, and that it be understood that all equivalents and/or combinations of embodiments are intended to be included in this description.
Claims (16)
1. A patient-supporting apparatus comprising:
a lifting apparatus comprising:
an upper part;
a lower part; and
a lifting linkage that connects the upper part to the lower part, the lifting linkage comprising at least one scissors-form sub-linkage having a central articulation,
wherein a point of rotation of the central articulation is arranged in a displaceable manner such that the upper part is tiltable in a transverse direction of the upper part.
2. The patient-supporting apparatus of claim 1 , wherein the upper part is configured in the form of a table top.
3. The patient-supporting apparatus of claim 1 , further comprising a table top that is arranged on the upper part.
4. The patient-supporting apparatus of claim 1 , further comprising two sub-linkages that are arranged one above the other and are connected to connecting articulations so as to form a double scissors structure,
wherein the central articulation is formed in an upper sub-linkage of the two sub-linkages.
5. The patient-supporting apparatus of claim 1 , further comprising two sub-linkages that are arranged one above the other and are connected to connecting articulations so as to form a double scissors structure,
wherein the central articulation is formed in an upper sub-linkage and a lower sub-linkage of the two sub-linkages.
6. The patient-supporting apparatus of claim 1 , further comprising a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm are rotatable about the point of rotation,
wherein the point of rotation is arranged in a linearly displaceable manner.
7. The patient-supporting apparatus of claim 6 , further comprising a slot that is formed in the first scissors arm, the point of rotation of the central articulation being arranged in the slot in a linearly displaceable manner.
8. The patient-supporting apparatus of claim 6 , further comprising a drive unit configured to displace the point of rotation in the slot.
9. The patient-supporting apparatus of claim 1 , further comprising a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm are rotatable about the point of rotation,
wherein the central articulation is configured in the form of an eccentric, to rotate the point of rotation eccentrically.
10. The patient-supporting apparatus of claim 9 , further comprising a drive unit configured to rotate the eccentric.
11. The patient-supporting apparatus of claim 4 , further comprising a drive unit configured to adjust the upper part in height,
wherein the drive unit acts on one of the connecting articulations.
12. The patient-supporting apparatus of claim 11 , wherein the drive unit is configured for a rectilinear movement of the upper part in the vertical direction.
13. The patient-supporting apparatus of claim 2 , further comprising a first scissors arm and a second scissors arm that form the sub-linkage and are connected to one another by the central articulation such that the first scissors arm and the second scissors arm are rotatable about the point of rotation,
wherein the point of rotation is arranged in a linearly displaceable manner.
14. The patient-supporting apparatus of claim 13 , further comprising a slot that is formed in the first scissors arm, the point of rotation of the central articulation being arranged in the slot in a linearly displaceable manner.
15. The patient-supporting apparatus of claim 13 , further comprising a drive unit configured to displace the point of rotation in the slot.
16. A method of tilting a patient-supporting apparatus, the patient-supporting apparatus comprising a lifting apparatus comprising an upper part, a lower part, and a lifting linkage that connects the upper part to the lower part, the lifting linkage comprising at least one scissors-form sub-linkage having a central articulation, wherein a point of rotation of the central articulation is arranged in a displaceable manner such that the upper part is tiltable in a transverse direction of the upper part, the method comprising:
moving the point of rotation of the central articulation such that the upper part is tilted in the transverse direction.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/411,948 US10813815B2 (en) | 2014-05-13 | 2017-01-20 | Tiltable patient-supporting apparatus and method of tilting a patient-supporting apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014209016.4 | 2014-05-13 | ||
DE102014209016.4A DE102014209016A1 (en) | 2014-05-13 | 2014-05-13 | A tiltable patient support apparatus and method for tilting a patient support apparatus |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US15/411,948 Division US10813815B2 (en) | 2014-05-13 | 2017-01-20 | Tiltable patient-supporting apparatus and method of tilting a patient-supporting apparatus |
Publications (1)
Publication Number | Publication Date |
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US20150328068A1 true US20150328068A1 (en) | 2015-11-19 |
Family
ID=54361612
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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US14/711,261 Abandoned US20150328068A1 (en) | 2014-05-13 | 2015-05-13 | Tiltable Patient-Supporting Apparatus and Method of Tilting a Patient-Supporting Apparatus |
US15/411,948 Active 2035-12-10 US10813815B2 (en) | 2014-05-13 | 2017-01-20 | Tiltable patient-supporting apparatus and method of tilting a patient-supporting apparatus |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
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US15/411,948 Active 2035-12-10 US10813815B2 (en) | 2014-05-13 | 2017-01-20 | Tiltable patient-supporting apparatus and method of tilting a patient-supporting apparatus |
Country Status (3)
Country | Link |
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US (2) | US20150328068A1 (en) |
CN (1) | CN105078503B (en) |
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CN106924889A (en) * | 2015-12-31 | 2017-07-07 | 上海联影医疗科技有限公司 | A kind of Medical Devices |
CN107007946A (en) * | 2017-06-06 | 2017-08-04 | 成都博士科技有限公司 | It is a kind of to be used for proton and the automatic chair of heavy particle therapy incidence cancer |
US10161104B2 (en) * | 2014-12-18 | 2018-12-25 | Caterpillar Sarl | Front attachment in traveling machine body for operation |
US20190070052A1 (en) * | 2017-09-07 | 2019-03-07 | Todd Humbert | Lift And Tilt Support Apparatus |
US20190145192A1 (en) * | 2017-11-15 | 2019-05-16 | Forum Us, Inc. | Tubular transfer system with variable presentation height and presentation angle |
CN113940265A (en) * | 2021-10-14 | 2022-01-18 | 北京中农富通园艺有限公司 | Automatic light-following cultivation device and control method thereof |
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Also Published As
Publication number | Publication date |
---|---|
US20170128303A1 (en) | 2017-05-11 |
US10813815B2 (en) | 2020-10-27 |
CN105078503A (en) | 2015-11-25 |
CN105078503B (en) | 2018-01-05 |
DE102014209016A1 (en) | 2015-11-19 |
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