US3627250A - Overhead isocentric couch for therapy equipment - Google Patents

Overhead isocentric couch for therapy equipment Download PDF

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Publication number
US3627250A
US3627250A US3627250DA US3627250A US 3627250 A US3627250 A US 3627250A US 3627250D A US3627250D A US 3627250DA US 3627250 A US3627250 A US 3627250A
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US
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Grant
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Prior art keywords
apparatus
defined
slide
guide member
block
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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.)
Expired - Lifetime
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Inventor
James Waring Pegrum
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CA ATOMIC ENERGY Ltd
Atomic Energy of Canada Ltd (AECL)
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CA ATOMIC ENERGY Ltd
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B6/00Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
    • A61B6/04Positioning of patients; Tiltable beds or the like
    • A61B6/0464Supports mounted to ceiling
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT OR ACCOMODATION FOR PATIENTS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G13/00Operating tables; Auxiliary appliances therefor
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61NELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00Radiation therapy
    • A61N5/01Devices for producing movement of radiation source during therapy
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/02Heads
    • F16M11/04Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043Allowing translations
    • F16M11/046Allowing translations adapted to upward-downward translation movement
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M11/00Stands or trestles as supports for apparatus or articles placed thereon Stands for scientific apparatus such as gravitational force meters
    • F16M11/20Undercarriages with or without wheels
    • F16M11/2007Undercarriages with or without wheels comprising means allowing pivoting adjustment
    • F16M11/2014Undercarriages with or without wheels comprising means allowing pivoting adjustment around a vertical axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M13/00Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • F16M13/027Ceiling supports
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16MFRAMES, CASINGS, OR BEDS OF ENGINES OR OTHER MACHINES OR APPARATUS NOT SPECIFIC TO AN ENGINE, MACHINE, OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS OR SUPPORTS
    • F16M2200/00Details of stands or supports
    • F16M2200/02Locking means
    • F16M2200/025Locking means for translational movement

Abstract

There is disclosed a patient positioning apparatus, particularly for use with therapy wherein an associated couch is suspended from above rather than forming an integral part of therapy equipment. Also provided is a isocentric facility and the ability to move the patient in rectilinear coordinates and also in r relationship to a datum which may be the access of emission of an X-ray device or a source line of a piece of radio therapy equipment.

Description

Unite States tent [72] lnventor .llames Waring Pegrum Carp, Ontario, Canada 21] AppLNo. 45,626 [22] Filed 2,841,717 7/1958 Kizaur.............. 2,898,471 8/1959 Kizaur. 3,164,355 1/1965 Seitz et al. 3,240,925 3/1966 Paschke et Primary Examiner-J. Franklin Foss June 112, 11970 [45] Patented Dec. 14, 1971 v [73] Assignee Atomic Energy 011 Canada Limited Ottawa, Ontario, Canada -0VERHEAD ISOCENTRIC CUUCH FUR PY Art0rneys- Lewis H. Eslinger, Alvin Sinderbrand and Curtis,

Morris & Safford EQUIPMENT ABSTRACT: There is disclosed a patient positioning apparatus, particularly for use with therapy wherein an as sociated couch is suspended from above rather than forming an integral part of therapy equipment. Also provided is a 20 20B 3/ /3 91W x R2 6 A s 0 "u 5 u 2 m m d Ld l F m 55 121 isocentric facility and the ability to move the patient in 325; 240/] rectilinear coordinates and also in r relationship to a datum which may be the access of emission of an X-ray device or a source line ofa pieceof radio therapy equipment.

PATENTEU DEC] 4197:

OVERHEAD llSOCENTRllC COUCH FOR THERAPY EQUIPMENT This invention relates generally to overhead supported couches used for the positioning of patients. More particularly the invention relates to a patient positioning system which is supported from above and which is of particular utility in teletherapy for example, radio therapy treatment of cancer etc.

There is described, in copending Canadian lPat. application No. 069,250, filed Dec. 8th, 1969, and US. Pat. application No. 008,35l filed Feb. 2nd, 1970, each entitled "Patient Positioning Systems" by Pegrum and Whitfield, each application being assigned to Atomic Energy of Canada Limited, a patient positioning system for sole support by the main frame of the equipment. The type of equipment contemplated in these prior applications is exemplified by the Theratro and 80 units and the Eldorado 6 and 8 units, the registered trademarks owned by Atomic Energy of Canada Limited. The foregoing units, well known to those skilled in the art, are Cobalt 60 teletherapy units.

in the aforementioned two copending applications there is disclosed and claimed a therapy couch which is solely supported by the body of the unit frame. The applications also teach the provision of re and rectilinear movements to the couch relative to the source-head and, more importantly, isocentric movement when required.

While the advantages of existing Theratronand Eldorado units continue to be enjoyed and that the frame-mounted underslung therapy couches, described in the aforementioned copending applications, have found quick acceptance among radiotherapists, the latter required yet another type of couch support.

It has been found that in certain installations the couch and its associated supporting structure require to be accessible from all horizontal directions. Such a requirement exists, for example, the therapy equipment is mobile and may be withdrawn away from the patient in order to permit space for other equipment, such as X-ray or Fluroscopic equipment.

Further it has been found necessary to move a therapy couch to one side to permit therapy-of a patient in bed and the manipulation of a therapy unit around the bed. Again, in order to allow the mounting or dismounting of a patient from the couch from either side of a therapy unit without moving the latter, even more degrees of freedom become necessary. In providing all the desired accessibility, it was required to not only preserve the r9 and rectilinear movements but also the isocentric movementcapability.

It is an object of one feature of the invention to provide an overhead supported patient positioning having r9,rectilinear and isocentric movements and enhanced accessibility.

In accordance with the foregoing object, the invention comprises: an overhead suspension member the upper end of which is attached to the said ceiling or overhead structure, a mount plate having at one end pivotally attached the lower end of said suspension member and having the other cantilevered outwardly from said one end, a longitudinal guide member pivotally attached at a point intermediate its length, to the other end of said mount plate, said longitudinal guide member having slide-block engaging means thereon, a longitudinal slide-block slidably received in the slide-block engaging means on the longitudinal guide member, a transverse guide member attached, at a point intermediate its length, to the said longitudinal slide-block, said longitudinal guide member having slide-block engaging means thereon, a transverse slide-block slidably received in the slide-block engaging means on the transverse guide member, and, a lower suspension member pivotally attached to and extending downwardly from said transverse slide-block.

A preferred embodiment of the invention will now be described with reference to the accompanying drawing which shows, in isometric, patient positioning apparatus.

in the drawing, a column l is rigidly fastened to the ceiling or other overhead structure by means not shown. A mount plate d is cantilevered horizontally from the lower end of the column 1 and is provided with bearing means therebetween to permit rotation of the mount about the column ll. At the remote end of the mount plate 4 there: is a pivot 42 which supports a longitudinal guide 6 disposed for rotation, about the pivot 42 beneath the mount plate 4. The underside of the longitudinal guide 6 is provided with a channel, flanges and a slide-block, not shown, to which is attached a transverse guide 66 which likewise is provided with a channel 67 and flanges 69. A transverse slide-block 68 is slidably received in the channel 67.

Thus, the transverse guide 66 may be moved longitudinally under the longitudinal guide 6 while the slideb-block 68 may be moved transversely relative to the guide 66. A column 70, having an adjustable length facility, not ,shown, extends downwardly from the transverse slide block 68. A detachable stretcher 5 is removably attached to the lower end of the column 70 forms no part of the present invention.

If the longitudinal guide 6 is rotated, about pivot 42, so that the guide 6 and the mount plate 4 are substantially coextensive, then rotation of the mount plate 4 about column 1 provides the 9" function in an ramovement. The r function is then set by the movement of loTigitudinal block within the longitudinal guide 6. it will be obvious that rgmovements may be effected without the prior coextensiverfess of the longitudinal guide 6 and the plate 4. However, for any angular position of the guide 6 and the plate 4, having first fixed the re functions, the stretcher may be given pure rectilinear transla tions. Pure linear translations are, of course, entirely simple.

To assist in summarizing the above movements, the directions of X--)( Y'Y and 2-2 are marked on the drawing together with the direction of r and horizontal plane of Q Thus, the following movements are provided.

Vertical Z-Z Longitudinal X-X Transverse Y'Y isocentric r6(relative to column 11) Rotational Facility r 9 (relative to pivot 42) (This movement is rotational but is i5: isocentric) In the second rotational facility theQfunction is in the same plane as the first mentionedQ. The dirTzction of r is shown on the drawing.

It will be obvious to those skilled in the art that the sourcehead must be located coaxially with respect to the particular axis chosen for re movement. Thus "the drawing shown, in phantom, a sourcehead disposed on the axis of the column 1. All movements may, however, be individually locked to give the associated elements desired fixed positions. As with couch column 7, the overhead column ll may be of adjustable length. Generally, the two columns will be parallel to each other.

The invention just described provides for a wider range of heights for associated therapy or diagnostic equipment. Theoretically, the maximum range of vertical movement is about one-half of the ceiling height. The five distinct move ments may be individually or collectively power assisted by means well known in the art. The overhead mount provides much greater access to and maneuverability around the couch. From the latter feature stems the possibility of using less expensive couches, more importantly, the invention provides isocentric properties combined with the ability to execute rectilinear movements or composite isocentric and rectilinear movements using either of the isocentric axes. Further, all the advantages of the invention may be enjoyed by radio therapy installations already having fixed or moveable source heads and associated counter weight and support frame. These and other advantages and further embodiments falling within the terms of the appended claims will occur to those skilled in the art.

lclaim:

1. A patient positioning apparatus for suspension from a ceiling or other overhead structure, said apparatus comprismg:

i. an overhead suspension member the upper end of which is attached to the said ceiling or overhead structure,

.v. a transverse guide member attached, at a point inter mediate its length, to the said longitudinal slide-block, said longitudinal guide member having slide-block engaging means thereon,

' vi. a transverse slide-block slidably received in the slideblock engaging means on the transverse guide member, and,

vii. a lower suspension member pivotally attached to and extending downwardly from said transverse slideblock.

2. Apparatus as defined in claim 1 wherein in axis of pivot of the mount about the overhead suspension member defines a first isocenter.

3. Apparatus as defined in claim 2 wherein the axis of pivot of the longitudinal guide member about the other end of the mount plate defines a second isocenter.

4. Apparatus as defined in claims 1, wherein the longitudinal and transverse movements in the associated slides may be locked in selected positions whereby the said lower suspension member may move in a rQrelationship to either of said isocenters.

5. Apparatus as defined in claim 1, wherein the defined pivotal facilities may be locked whereby the said lower suspension member may be moved rectilinearly with respect to either of said isocenters.

6. Apparatus as defined in claim I wherein the vertical length of said overhead suspension unit is adjustable.

7. Apparatus as defined in claim I wherein the vertical length of said lower suspension member is adjustable.

i i II II

Claims (7)

1. A patient positioning apparatus for suspension from a ceiling or other overhead structure, said apparatus comprising: i. an overhead suspension member the upper end of which is attached to the said ceiling or overhead structure, ii. A mount plate having at one end pivotally attached the lower end of said suspension member and having the other cantilevered outwardly from said one end, iii. a longitudinal guide member pivotally attached to a point intermediate its length, to the other end of said mount plate, said longitudinal guide member having slide-block engaging means thereon, iv. a longitudinal slide-block slidably received in the slideblock engaging means on the longitudinal guide member, v. a transverse guide member attached, at a point intermediate its length, to the said longitudinal slide-block, said longitudinal guide member having slide-block engaging means thereon, vi. a transverse slide-block slidably received in the slideblock engaging means on the transverse guide member, and, vii. a lower suspension member pivotally attached to and extending downwardly from said transverse slide-block.
2. Apparatus as defined in claim 1 wherein in axis of pivot of the mount about the overhead suspension member defines a first isocenter.
3. Apparatus as defined in claim 2 wherein the axis of pivot of the longitudinal guide member about the other end of the mount plate defines a second isocenter.
4. Apparatus as defined in claims 1, wherein the longitudinal and transverse movements in the associated slides may be locked in selected positions whereby the said lower suspension member may move in a r - relationship to either of said isocenters.
5. Apparatus as defined in claim 1, wherein the defined pivotal facilities may be locked whereby the said lower suspension member may be moved rectilinearly with respect to either of said isocenters.
6. Apparatus as defined in claim 1 wherein the vertical length of said overhead suspension unit is adjustable.
7. Apparatus as defined in claim 1 wherein the vertical length of said lower suspension member is adjustable.
US3627250A 1970-04-10 1970-06-12 Overhead isocentric couch for therapy equipment Expired - Lifetime US3627250A (en)

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Application Number Priority Date Filing Date Title
CA79798 1970-04-10
US4562670 true 1970-06-12 1970-06-12

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Cited By (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583537A (en) * 1981-11-18 1986-04-22 Derechinsky Victor E Convergent multibeam unit for radiation
EP0283082A1 (en) * 1987-03-16 1988-09-21 Philips Electronics N.V. A patient support system for radiotherapy
EP0283083A1 (en) * 1987-03-16 1988-09-21 Philips Electronics N.V. A patient support system for radiotherapy
FR2640869A1 (en) * 1988-12-26 1990-06-29 Informatex Ste Nouvelle
US4993683A (en) * 1987-12-23 1991-02-19 F. M. K. Kreuzer Gmbh & Co. Kg Overhead support for medical appliances
US5072906A (en) * 1988-01-15 1991-12-17 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5108064A (en) * 1989-11-10 1992-04-28 F.M.K. Kreuzer Gmbh & Co. Kg Appliance support
US5135196A (en) * 1990-03-30 1992-08-04 The United States Of America As Represented By The Secretary Of The Air Force Multi-axis positional gimbal
US5163649A (en) * 1990-03-30 1992-11-17 The United States Of America As Represented By The Secretary Of The Air Force Multi-axis positional gimbal
US5186337A (en) * 1991-08-09 1993-02-16 Hill-Rom Company, Inc. Pivoted power column
US5239713A (en) * 1989-10-27 1993-08-31 Ahlstrom Consumer Products, Ltd. Hospital bed
US5250019A (en) * 1990-06-01 1993-10-05 Emory University Apparatus for stereotactic radiosurgery
US5299338A (en) * 1988-01-15 1994-04-05 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5410767A (en) * 1992-12-03 1995-05-02 Siemens Elema Ab Examination table connected to a floor stand via an articulated lever arrangement
EP0812567A1 (en) * 1996-06-14 1997-12-17 Philips Electronics N.V. Medical diagnostic and/or therapy apparatus with a swingable patient table top
WO1999025302A1 (en) * 1997-11-18 1999-05-27 Kreuzer Gmbh & Co. Ohg Operating equipment
US6089518A (en) * 1994-11-15 2000-07-18 Johnson Medical Development Pte Ltd. Mounting device for hospital equipment, medical support service unit therefor and service mobile
US7020917B1 (en) * 2001-03-12 2006-04-04 Steris Corporation Radiolucent surgical table with low shadow accessory interface profile
WO2007025936A1 (en) * 2005-09-01 2007-03-08 Siemens Aktiengesellschaft Patient positioning device
WO2011009616A1 (en) * 2009-07-22 2011-01-27 Friedrich-Alexander-Universität Erlangen-Nürnberg Linear kinematics system with rotatable treatment head
EP2687159A1 (en) * 2012-07-20 2014-01-22 Deutschmann, Heinrich Patient positioning and imaging system

Cited By (40)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4583537A (en) * 1981-11-18 1986-04-22 Derechinsky Victor E Convergent multibeam unit for radiation
EP0283082A1 (en) * 1987-03-16 1988-09-21 Philips Electronics N.V. A patient support system for radiotherapy
EP0283083A1 (en) * 1987-03-16 1988-09-21 Philips Electronics N.V. A patient support system for radiotherapy
US4885998A (en) * 1987-03-16 1989-12-12 U.S. Philips Corporation Patient support system for radiotherapy
US4924781A (en) * 1987-03-16 1990-05-15 U.S. Philips Corporation Patient support system for radiotherapy
US4993683A (en) * 1987-12-23 1991-02-19 F. M. K. Kreuzer Gmbh & Co. Kg Overhead support for medical appliances
US5455975A (en) * 1988-01-15 1995-10-10 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5299338A (en) * 1988-01-15 1994-04-05 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5396673A (en) * 1988-01-15 1995-03-14 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5072906A (en) * 1988-01-15 1991-12-17 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5377371A (en) * 1988-01-15 1995-01-03 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US5398359A (en) * 1988-01-15 1995-03-21 Hill-Rom Company, Inc. Hospital bed with pivoting headboard
US4982416A (en) * 1988-12-26 1991-01-01 Societe Nouvelle Informatek Table for supporting a patient during examination using a scintigraphic installation
EP0376807A1 (en) * 1988-12-26 1990-07-04 Sopha Medical Patient support table for examinations on scintigraphy apparatuses
FR2640869A1 (en) * 1988-12-26 1990-06-29 Informatex Ste Nouvelle
US5239713A (en) * 1989-10-27 1993-08-31 Ahlstrom Consumer Products, Ltd. Hospital bed
US5108064A (en) * 1989-11-10 1992-04-28 F.M.K. Kreuzer Gmbh & Co. Kg Appliance support
US5135196A (en) * 1990-03-30 1992-08-04 The United States Of America As Represented By The Secretary Of The Air Force Multi-axis positional gimbal
US5163649A (en) * 1990-03-30 1992-11-17 The United States Of America As Represented By The Secretary Of The Air Force Multi-axis positional gimbal
US5250019A (en) * 1990-06-01 1993-10-05 Emory University Apparatus for stereotactic radiosurgery
US5186337A (en) * 1991-08-09 1993-02-16 Hill-Rom Company, Inc. Pivoted power column
US5284255A (en) * 1991-08-09 1994-02-08 Hill-Rom Company, Inc. Pivoted power column
US5410767A (en) * 1992-12-03 1995-05-02 Siemens Elema Ab Examination table connected to a floor stand via an articulated lever arrangement
US6089518A (en) * 1994-11-15 2000-07-18 Johnson Medical Development Pte Ltd. Mounting device for hospital equipment, medical support service unit therefor and service mobile
BE1010364A3 (en) * 1996-06-14 1998-07-07 Philips Electronics Nv MEDICAL DIAGNOSIS AND / OR THERAPY DEVICE WITH PATIENTS hinged tabletop.
EP0812567A1 (en) * 1996-06-14 1997-12-17 Philips Electronics N.V. Medical diagnostic and/or therapy apparatus with a swingable patient table top
WO1999025302A1 (en) * 1997-11-18 1999-05-27 Kreuzer Gmbh & Co. Ohg Operating equipment
US6170102B1 (en) 1997-11-18 2001-01-09 Kreuzer Gmbh & Co. Ohg Operating equipment
US7020917B1 (en) * 2001-03-12 2006-04-04 Steris Corporation Radiolucent surgical table with low shadow accessory interface profile
WO2007025936A1 (en) * 2005-09-01 2007-03-08 Siemens Aktiengesellschaft Patient positioning device
US20080234865A1 (en) * 2005-09-01 2008-09-25 Andres Sommer Patient Positioning Device
US7741623B2 (en) 2005-09-01 2010-06-22 Siemens Aktiengesellschaft Patient positioning device
WO2011009616A1 (en) * 2009-07-22 2011-01-27 Friedrich-Alexander-Universität Erlangen-Nürnberg Linear kinematics system with rotatable treatment head
US20110150186A1 (en) * 2009-07-22 2011-06-23 Friedrich-Alexander-Universitat Erlangen-Nurnberg Linear Kinematics System with Rotatable Treatment Head
CN102548612A (en) * 2009-07-22 2012-07-04 西门子公司 Linear kinematics system with rotatable treatment head
US8488739B2 (en) 2009-07-22 2013-07-16 Siemens Aktiengesellschaft Linear kinematics system with rotatable treatment head
CN102548612B (en) * 2009-07-22 2015-11-25 西门子公司 Linear kinematics system having a rotatable treatment head
EP2687159A1 (en) * 2012-07-20 2014-01-22 Deutschmann, Heinrich Patient positioning and imaging system
US9492125B2 (en) 2012-07-20 2016-11-15 Heinrich Deutschmann Patient positioning and imaging system
EP3106093A1 (en) * 2012-07-20 2016-12-21 Heinrich Deutschmann Patient positioning and imaging system

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