EP1919364A1 - Patient positioning device - Google Patents

Patient positioning device

Info

Publication number
EP1919364A1
EP1919364A1 EP06793009A EP06793009A EP1919364A1 EP 1919364 A1 EP1919364 A1 EP 1919364A1 EP 06793009 A EP06793009 A EP 06793009A EP 06793009 A EP06793009 A EP 06793009A EP 1919364 A1 EP1919364 A1 EP 1919364A1
Authority
EP
European Patent Office
Prior art keywords
patient
positioning
patient support
patientpositioniervorrichtung
coupling
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.)
Withdrawn
Application number
EP06793009A
Other languages
German (de)
French (fr)
Inventor
Andres Sommer
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.)
Siemens AG
Original Assignee
Siemens 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 Siemens AG filed Critical Siemens AG
Publication of EP1919364A1 publication Critical patent/EP1919364A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J19/00—Accessories fitted to manipulators, e.g. for monitoring, for viewing; Safety devices combined with or specially adapted for use in connection with manipulators
    • B25J19/06—Safety devices
    • B25J19/063—Safety devices working only upon contact with an outside object
    • 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
    • A61B6/04—Positioning of patients; Tiltable beds or the like
    • A61B6/0487—Motor-assisted positioning
    • 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
    • A61B6/4476—Constructional features of apparatus for radiation diagnosis related to motor-assisted motion of the source unit
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1048—Monitoring, verifying, controlling systems and methods
    • A61N5/1049—Monitoring, verifying, controlling systems and methods for verifying the position of the patient with respect to the radiation beam
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N5/1077—Beam delivery systems
    • A61N5/1078—Fixed beam systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
    • B25J11/00—Manipulators not otherwise provided for
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
    • A61N5/00—Radiation therapy
    • A61N5/10—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy
    • A61N2005/1085—X-ray therapy; Gamma-ray therapy; Particle-irradiation therapy characterised by the type of particles applied to the patient
    • A61N2005/1087—Ions; Protons

Definitions

  • the invention relates to a patient positioning device for positioning a patient in an irradiation position for radiation therapy system, in particular particles ⁇ radiation therapy system.
  • a patient positioning device In radiation therapy, it is of particular importance to be able to position the patient with high precision in an irradiation position for irradiation. In order to be able to choose the direction of incidence of the irradiation as freely as possible during treatment planning, a patient positioning device should ensure the appropriate freedom for aligning the patient in his radiation position.
  • EP 1 283 734 B1 discloses a device for placing a tumor patient with a tumor in the head / neck region in a heavy-ion therapy room.
  • the device has a patient chair, on which a patient can be fixed in a sitting position and which can be translated and rotated about a horizontal and a vertical axis.
  • the device is permanently mounted and thus permanently assigned to a treatment station.
  • An object of the invention is to specify a patient positioning device which can be used flexibly and ensures a high degree of freedom in aligning the patient in relation to a therapy beam.
  • An embodiment of the patient positioning device comprises, for example, a patient support module with a patient support device for holding the patient in a posture in which the irradiation is planned. Further is the patient support device via a bearing to a base unit of the patient support module about an axis ro ⁇ tierbar mounted.
  • the base unit has a Kupplungsele ⁇ ment, with which the patient support module can be coupled to a device with a positioning.
  • the positioning arm of the patient positioning device has a plurality of joints and a coupling point for coupling the coupling element of the patient support module.
  • the Ro ⁇ tationshog the patient support apparatus and the free mobility of the positioning arm allows free positioning of the patient in an arbitrarily predetermined irradiation position.
  • Such a device has the advantage that, for example, a therapy chair can also be held with the aid of a robotic drive, because due to the geometry of the patient and conventional robot mechanics, for example, docking of a robotic drive from below to the therapy chair is not readily possible.
  • the coupling element is preferably arranged laterally on the base element.
  • Another advantage is that with such a device, the patient can be rotated in any orientation of the positioning arm by 360 °.
  • the patient support device is designed as a patient bed or patient chair.
  • it comprises a motor for driving the particular ring-shaped bearing for rotation through 360 ° or an angular segment.
  • the positioning is also keptbil ⁇ det as a robot arm, which has the free mobility over several joints to several axes.
  • the patient support module has a mechanical screen for protection limbs or to monitor movement for possible contact with external objects. This is done, for example, via pressure sensors or infrared distance measurement.
  • the screen preferably completely surrounds the area to be protected.
  • FIGS. 1 to 5 Show it:
  • Fig. 1 shows a section through an exemplary dutyhal ⁇ esterification module
  • FIG. 2 is a plan view of an exemplary motor-driven patient positioning module
  • FIG. 3 and FIG. 4 a sketch to clarify the use of an exemplary patient positioning device
  • FIG. 5 an exemplary embodiment of a patient positioning module with a protective device and a sensor system.
  • FIG. 1 shows by way of example a patient support module 1 with a patient chair 3 as a patient support device, on which a patient 5 is preferably fixed in an irradiation position.
  • the patient chair 3 is mounted on a Bo ⁇ denplatte 7 and can by means of a bearing 9 before ⁇ preferably rotated by 360 °.
  • the bearing is provided with a Ba ⁇ sisplatte 11 firmly connected, which is designed u-shaped in cross section and averaging element at its radially outer side a couplings 13 is arranged.
  • Figure 2 shows a plan view of an exemplary exporting ⁇ approximate shape of a patient support module, similar to the Pati- duck support module 1 of Figure 1. For clarity, a belt drive with a belt 15 and a drive motor 17 is additionally shown.
  • FIGS 3 and 4 illustrate the use of an exemplary patient positioning device according to the invention.
  • a patient is prepared on the patient support module 1 for the irradiation.
  • the he adopts a posture that was the treatment planning based on examples by game, by means of a fixing device in the entspre ⁇ -reaching position is brought.
  • the patient chair is brought by means of a transport device 19 from a preparation room to a device 21 with a positioning arm 23.
  • a positioning arm 23 There couples a coupling ⁇ point of Positionierarms 23 with a coupling element of the patient support module 1 at.
  • the positioning arm has meh ⁇ rere joints 25, which allow a free alignment of the positioning ⁇ nierarms in space. In this case, the positioning arm, for example, about a vertical axis 27 pivotally.
  • the patient positioning device is controlled by a therapy control center of a radiation therapy system.
  • a therapy beam 31 for example a photon, electrons, neutrons, pions, proton, helium, carbon or oxygen ion beam.
  • FIG. 5 shows a further embodiment of a patient positioning module 41 in which a shield 43 extends radially around the patient 5 in the region of the legs, on the outside of which and on the underside of the base plate 11 pressure sensor systems 45 are arranged.
  • the patient 5 is passively protected against unwanted effects from the outside on the one hand via the guard ring 43. On the other hand, it is protected against such influences by interrupting the actuation of the positioning arm (not shown) upon activation of one of the pressure sensor systems 45.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biomedical Technology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Medical Informatics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Veterinary Medicine (AREA)
  • Pathology (AREA)
  • Radiology & Medical Imaging (AREA)
  • General Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Molecular Biology (AREA)
  • Surgery (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Optics & Photonics (AREA)
  • Robotics (AREA)
  • Mechanical Engineering (AREA)
  • Radiation-Therapy Devices (AREA)

Abstract

The invention relates to a patient-positioning device for positioning a patient in an irradiation position in a radiation therapy arrangement, in particular in a particle radiation therapy arrangement comprising a patient supporting module, which is provided with a patient supporting device for holding the patient in a body holder where the irradiation is to be carried out, wherein, said patient supporting device is mounted on a base unit in such a way that it is rotatable about an axis by means of a bearing, said base unit is provided with a coupling element (13), the inventive device is also provided with a positioning arm (21), which comprises several joints (25) and a coupling point for coupling the coupling element and for freely positioning the patient in any predefined irradiation position by adjusting the angle of rotation of the patient supporting module.

Description

Beschreibungdescription
Patientenpositioniervorrichtungpatient positioning
Die Erfindung betrifft eine Patientenpositioniervorrichtung zum Positionieren eines Patienten in einer Bestrahlungsposition für eine Strahlentherapieanlage, insbesondere Partikel¬ strahlentherapieanlage .The invention relates to a patient positioning device for positioning a patient in an irradiation position for radiation therapy system, in particular particles ¬ radiation therapy system.
Bei der Strahlentherapie ist es von besonderer Bedeutung, den Patienten mit hoher Präzision in einer Bestrahlungsposition zur Bestrahlung positionieren zu können. Um die Einfallsrichtung der Bestrahlung möglichst frei bei der Therapieplanung wählen zu können, sollte eine Patientenpositioniervorrichtung die entsprechenden Freiheiten zur Ausrichtung des Patienten in seiner Bestrahlungshaltung gewährleisten.In radiation therapy, it is of particular importance to be able to position the patient with high precision in an irradiation position for irradiation. In order to be able to choose the direction of incidence of the irradiation as freely as possible during treatment planning, a patient positioning device should ensure the appropriate freedom for aligning the patient in his radiation position.
Aus EP 1 283 734 Bl ist eine Vorrichtung zum Plazieren eines Tumorpatienten mit einem Tumor im Kopf-/Halsbereich in einem Schwerionentherapieraum bekannt. Die Vorrichtung weist einen Patientenstuhl auf, auf dem ein Patient in sitzender Haltung fixiert werden kann und der translatorisch bewegt sowie um eine horizontale und eine vertikale Achse rotiert werden kann. Die Vorrichtung ist fest montiert und somit einem Be- handlungsplatz fest zugeordnet.EP 1 283 734 B1 discloses a device for placing a tumor patient with a tumor in the head / neck region in a heavy-ion therapy room. The device has a patient chair, on which a patient can be fixed in a sitting position and which can be translated and rotated about a horizontal and a vertical axis. The device is permanently mounted and thus permanently assigned to a treatment station.
Eine Aufgabe der Erfindung ist es, eine Patientenpositionier- vorrichtung anzugeben, die flexibel einsetzbar und eine hohe Freiheit bei der Ausrichtung des Patienten im Bezug zu einem Therapiestrahl gewährleistet.An object of the invention is to specify a patient positioning device which can be used flexibly and ensures a high degree of freedom in aligning the patient in relation to a therapy beam.
Diese Aufgabe wird gelöst durch eine Patientenpositioniervor- richtung nach Anspruch 1.This object is achieved by a patient positioning device according to claim 1.
Eine Ausführungsform der Patientenpositioniervorrichtung um- fasst z.B. ein Patientenhalterungsmodul mit einer Patienten- halterungsvorrichtung zum Haltern des Patienten in einer Körperhaltung, in der die Bestrahlung geplant ist. Ferner ist die Patientenhalterungsvorrichtung über ein Lager an einer Basiseinheit des Patientenhalterungsmoduls um eine Achse ro¬ tierbar angebracht. Die Basiseinheit weist ein Kupplungsele¬ ment auf, mit dem das Patientenhalterungsmodul an einer Vor- richtung mit einem Positionierarm angekoppelt werden kann. Der Positionierarm der Patientenpositioniervorrichtung weist mehrere Gelenke und einen Kupplungspunkt zum Ankoppeln des Kupplungselements des Patientenhalterungsmoduls auf. Die Ro¬ tationsbewegung der Patientenhalterungsvorrichtung sowie die freie Beweglichkeit des Positionierarmes gestattet eine freie Positionierung des Patienten in einer beliebig vorgebbaren Bestrahlungsposition .An embodiment of the patient positioning device comprises, for example, a patient support module with a patient support device for holding the patient in a posture in which the irradiation is planned. Further is the patient support device via a bearing to a base unit of the patient support module about an axis ro ¬ tierbar mounted. The base unit has a Kupplungsele ¬ ment, with which the patient support module can be coupled to a device with a positioning. The positioning arm of the patient positioning device has a plurality of joints and a coupling point for coupling the coupling element of the patient support module. The Ro ¬ tationsbewegung the patient support apparatus and the free mobility of the positioning arm allows free positioning of the patient in an arbitrarily predetermined irradiation position.
Eine derartige Vorrichtung hat den Vorteil, dass beispiels- weise auch ein Therapiestuhl mit Hilfe eines robotischen Antriebs gehalten werden kann, denn aufgrund der Geometrie von Patienten und üblicher beispielsweise Robotmechanik ist ein Andocken eines robotischen Antriebs von unten an den Therapiestuhl nicht ohne Weiteres möglich. Aus diesem Grund ist das Kopplungselement vorzugsweise seitlich am Basiselement angeordnet .Such a device has the advantage that, for example, a therapy chair can also be held with the aid of a robotic drive, because due to the geometry of the patient and conventional robot mechanics, for example, docking of a robotic drive from below to the therapy chair is not readily possible. For this reason, the coupling element is preferably arranged laterally on the base element.
Ein weiterer Vorteil liegt darin, dass mit einer derartigen Vorrichtung der Patient in jede Ausrichtung des Positionier- arms um 360° gedreht werden kann.Another advantage is that with such a device, the patient can be rotated in any orientation of the positioning arm by 360 °.
In einer weiteren Ausführungsform ist die Patientenhalterungsvorrichtung als Patientenliege oder Patientenstuhl ausgebildet. Vorzugsweise umfasst sie einen Motor zum Antreiben des insbesondere ringförmig ausgebildeten Lagers zur Rotation um 360° oder einen Winkelsegment.In a further embodiment, the patient support device is designed as a patient bed or patient chair. Preferably, it comprises a motor for driving the particular ring-shaped bearing for rotation through 360 ° or an angular segment.
Vorzugsweise ist der Positionierarm als Roboterarm ausgebil¬ det, der die freie Beweglichkeit über mehrere Gelenke um meh- rere Achsen aufweist.Preferably, the positioning is ausgebil ¬ det as a robot arm, which has the free mobility over several joints to several axes.
In einer besonders vorteilhaften Ausführungsform weist das Patientenhalterungsmodul einen mechanischen Schirm zum Schutz der Extremitäten oder zur Überwachung der Bewegung hinsichtlich möglicher Kontakte zu externen Gegenständen. Dies erfolgt beispielsweise über Drucksensoren oder Infrarotab- standsmessung . Der Schirm umgibt vorzugsweise vollständig den zu schützenden Bereich.In a particularly advantageous embodiment, the patient support module has a mechanical screen for protection limbs or to monitor movement for possible contact with external objects. This is done, for example, via pressure sensors or infrared distance measurement. The screen preferably completely surrounds the area to be protected.
Weitere vorteilhafte Ausführungsformen sind durch die Gegens¬ tände der Unteransprüche gegeben.Further advantageous embodiments are given by the counter ¬ states of the dependent claims.
Es werden mehrere Ausführungsformen der Erfindung anhand der Figuren 1 bis 5 verdeutlicht. Es zeigen:Several embodiments of the invention will become apparent from FIGS. 1 to 5. Show it:
Fig. 1 einen Schnitt durch ein beispielhaftes Patientenhal¬ terungsmodul,Fig. 1 shows a section through an exemplary Patientenhal ¬ esterification module,
Fig. 2 eine Aufsicht auf ein beispielhaftes mit einem Motor angetriebenes Patientenpositioniermodul,FIG. 2 is a plan view of an exemplary motor-driven patient positioning module; FIG.
Fig. 3 und Fig.4 eine Skizze zur Verdeutlichung der Ver- wendung einer beispielhaften Patientenpositioniervor- richtung und3 and FIG. 4 a sketch to clarify the use of an exemplary patient positioning device and FIG
Fig. 5 eine beispielhafte Ausführungsform eines Patientenpo- sitioniermoduls mit einer Schutzvorrichtung sowie ei- nem Sensorsystem.5 an exemplary embodiment of a patient positioning module with a protective device and a sensor system.
Figur 1 zeigt beispielhaft ein Patientenhalterungsmodul 1 mit einem Patientenstuhl 3 als Patientenhalterungsvorrichtung, auf dem ein Patient 5 in einer Bestrahlungshaltung vorzugs- weise fixiert sitzt. Der Patientenstuhl 3 ist auf einer Bo¬ denplatte 7 befestigt und kann mittels eines Lagers 9 vor¬ zugsweise um 360° rotiert werden. Das Lager ist mit einer Ba¬ sisplatte 11 fest verbunden, welche im Querschnitt u-förmig ausgebildet ist und an dessen radialen Außenseite ein Kupp- lungselement 13 angeordnet ist.FIG. 1 shows by way of example a patient support module 1 with a patient chair 3 as a patient support device, on which a patient 5 is preferably fixed in an irradiation position. The patient chair 3 is mounted on a Bo ¬ denplatte 7 and can by means of a bearing 9 before ¬ preferably rotated by 360 °. The bearing is provided with a Ba ¬ sisplatte 11 firmly connected, which is designed u-shaped in cross section and averaging element at its radially outer side a couplings 13 is arranged.
Figur 2 zeigt eine Aufsicht auf eine beispielhafte Ausfüh¬ rungsform eines Patientenhalterungsmoduls, ähnlich des Pati- entenhalterungsmoduls 1 aus Figur 1. Zur Verdeutlichung ist zusätzlich ein Riemenantrieb mit einem Riemen 15 und einem Antriebsmotor 17 dargestellt.Figure 2 shows a plan view of an exemplary exporting ¬ approximate shape of a patient support module, similar to the Pati- duck support module 1 of Figure 1. For clarity, a belt drive with a belt 15 and a drive motor 17 is additionally shown.
Die Figuren 3 und 4 verdeutlichen den Einsatz einer beispielhaften Patientenpositioniervorrichtung nach der Erfindung. Ein Patient wird auf dem Patientenhalterungsmodul 1 für die Bestrahlung vorbereitet. Dazu nimmt er eine Körperhaltung ein, die der Bestrahlungsplanung zugrunde lag, indem er bei- spielsweise mit Hilfe einer Fixiervorrichtung in die entspre¬ chende Position gebracht wird.Figures 3 and 4 illustrate the use of an exemplary patient positioning device according to the invention. A patient is prepared on the patient support module 1 for the irradiation. For this he adopts a posture that was the treatment planning based on examples by game, by means of a fixing device in the entspre ¬-reaching position is brought.
Der Patientenstuhl wird mit Hilfe einer Transportvorrichtung 19 von einem Vorbereitungsraum zu einer Vorrichtung 21 mit einem Positionierarm 23 gebracht. Dort koppelt ein Kopplungs¬ punkt des Positionierarms 23 mit einem Kopplungselement des Patientenhalterungsmoduls 1 an. Der Positionierarm weist meh¬ rere Gelenke 25 auf, die eine freie Ausrichtung des Positio¬ nierarms im Raum ermöglichen. Dabei ist der Positionierarm beispielsweise auch um eine vertikale Achse 27 schwenkbar.The patient chair is brought by means of a transport device 19 from a preparation room to a device 21 with a positioning arm 23. There couples a coupling ¬ point of Positionierarms 23 with a coupling element of the patient support module 1 at. The positioning arm has meh ¬ rere joints 25, which allow a free alignment of the positioning ¬ nierarms in space. In this case, the positioning arm, for example, about a vertical axis 27 pivotally.
Die Patientenpositioniervorrichtung wird von einem Therapiekontrollzentrum einer Strahlentherapieanlage angesteuert. Dies ermöglicht es, wie in Figur 4 dargestellt, den Patienten derart in Bezug zu einem Therapiestrahl 31 auszurichten, beispielsweise einem Photonen, Elektronen, Neutronen, Pionen, Protonen-, Helium-, Kohlenstoff- oder Sauerstoff-Ionen- Strahl. Gehört der Therapiestrahl 31 beispielsweise zu einem Fixed-Beam-Bestrahlungsplatz 33, so kann mit Hilfe der erfin- dungsgemäßen Patientenpositioniervorrichtung die Einsatzmöglichkeit eines derartigen Bestrahlungsplatzes wesentlich ver¬ größert werden. Denn die hohe Freiheit bei der Einstellung des Einfallswinkels führt zu einem großen Bereich an ein¬ stellbaren Einfallswinkeln des Therapiestrahls 31 auf einen zu behandelnden Bereich 35 des Patienten 5.The patient positioning device is controlled by a therapy control center of a radiation therapy system. This makes it possible, as shown in FIG. 4, to orient the patient in relation to a therapy beam 31, for example a photon, electrons, neutrons, pions, proton, helium, carbon or oxygen ion beam. Belongs to the therapeutic beam 31 for example to a fixed beam irradiation station 33, the use of such a possibility may irradiation site substantially ver ¬ be enlarged with the aid of the inventive patient positioning. Because the high level of freedom in setting of the incident angle results in a large area at a ¬ adjustable angles of incidence of the therapeutic beam 31 to a treatment area of the patient 35. 5
Wird eine derartige Patientenpositioniervorrichtung mit verschiedenen Patientenhalterungsvorrichtungen kombiniert - beispielsweise mit einem Patientenstuhl, einer Patientenliege etc.- so erhöht sich die Flexibilität beim Einsatz von Be¬ strahlungsplätzen, insbesondere Fixed-Beam-Bestrahlungs- plätzen, weiter.When such a patient positioning device is combined with various patient support devices, For example, with a patient chair, a patient bed, etc., so the flexibility in the use of Be ¬ irradiation places, in particular fixed-beam irradiation places, further.
Figur 5 zeigt eine weitere Ausführung eines Patientenpositio- niermoduls 41, bei dem radial um den Patienten 5 im Bereich der Beine ein Schirm 43 verläuft, an dessen Außenseite sowie an der Unterseite der Basisplatte 11 Drucksensorsysteme 45 angeordnet sind. In dieser Ausführungsform ist der Patient 5 gegenüber ungewollten Einwirkungen von außen zum einen über den Schutzring 43 passiv geschützt. Zum anderen ist er gegen derartige Einwirkungen über eine Unterbrechung der Ansteuerung des Positionierarms (nicht eingezeichnet) bei Aktivie- rung eines der Drucksensorsysteme 45 gesichert. FIG. 5 shows a further embodiment of a patient positioning module 41 in which a shield 43 extends radially around the patient 5 in the region of the legs, on the outside of which and on the underside of the base plate 11 pressure sensor systems 45 are arranged. In this embodiment, the patient 5 is passively protected against unwanted effects from the outside on the one hand via the guard ring 43. On the other hand, it is protected against such influences by interrupting the actuation of the positioning arm (not shown) upon activation of one of the pressure sensor systems 45.

Claims

Patentansprüche claims
1. Patientenpositioniervorrichtung zum Positionieren eines Patienten in einer Bestrahlungsposition für eine Strahlenthe- rapieanlage, insbesondere Partikelstrahlentherapieanlage, um¬ fassend:1. patient positioning device for positioning a patient in an irradiation position for a Strahlenthe- rapieanlage, particularly particle radiation therapy system to collectively ¬:
- ein Patientenhalterungsmodul mit einer Patientenhalterungs- vorrichtung zum Haltern des Patienten in einer Körperhaltung, in der die Bestrahlung geplant ist, wobei die Patientenhalte- rungsvorrichtung über ein Lager an einer Basiseinheit um eine Achse rotierbar angeordnet ist, wobei die Basiseinheit ein Kupplungselement (13) aufweist, unda patient support module having a patient support device for supporting the patient in a posture in which the radiation is planned, the patient support device being rotatable about an axis about a bearing on a base unit, the base unit having a coupling element (13) , and
- eine Vorrichtung mit einem Positionierarm (21), der mehrere Gelenke (25) und einen Kupplungspunkt zur Ankupplung des Kupplungselements aufweist und der zur freien Positionierung des Patienten unter Einstellung eines Rotationswinkels des Patientenhalterungsmoduls in einer beliebig vorgebbaren Be¬ strahlungsposition ausgebildet ist.- A device with a positioning (21), which has a plurality of joints (25) and a coupling point for coupling the coupling element and which is designed for free positioning of the patient setting a rotation angle of the patient support module in any predetermined Be ¬ radiation position.
2. Patientenpositioniervorrichtung nach Anspruch 1, wobei die Patientenhalterungsvorrichtung als Patientenliege oder Patientenstuhl (3) ausgebildet ist.2. Patientpositioniervorrichtung according to claim 1, wherein the patient support device is designed as a patient bed or patient chair (3).
3. Patientenpositioniervorrichtung nach Anspruch 1 oder 2, wobei das Patientenhalterungsmodel einen Motor zum antreiben des insbesondere ringförmig ausgebildeten Lagers aufweist.3. Patient Positioning device according to claim 1 or 2, wherein the patient support model has a motor for driving the particular ring-shaped bearing.
4. Patientenpositioniervorrichtung nach einem der Ansprüche 1 bis 3, wobei der Positionierarm (23) mittels mehrer Gelenke (25) um mehrere Achsen beweglich und insbesondere als Robo¬ ter-Arm ausgebildet ist.4. Patientpositioniervorrichtung according to one of claims 1 to 3, wherein the positioning (23) by means of several joints (25) about several axes movable and in particular as Robo ¬ ter arm is formed.
5. Patientenpositioniervorrichtung nach einem der Ansprüche 1 bis 4, wobei das Patientenhalterungsmodel einen mechani- sehen Schirm zum Schutz der Extremitäten des Patienten aufweist . 5. Patient positioning device according to one of claims 1 to 4, wherein the patient support model has a mechanical see screen to protect the extremities of the patient.
6. Patientenpositioniervorrichtung nach einem der Ansprüche 1 bis 5, wobei der Schirm als Auffahrschutz zusätzlich mindestens einen Sensor aufweist, der bei Aktivierung ein Anhalten der Bewegung auslöst.6. Patientpositioniervorrichtung according to any one of claims 1 to 5, wherein the screen additionally has at least one sensor as collision protection, which triggers a stop the movement when activated.
7. Patientenpositioniervorrichtung nach Anspruch 6, wobei der Sensor als Drucksensor ausgebildet ist, der beispielswei¬ se durch einen über Kontakt mit einem externen Gegenstand bewirkten Druck aktiviert wird. 7. Patientpositioniervorrichtung according to claim 6, wherein the sensor is designed as a pressure sensor which beispielswei ¬ se is activated by a contact caused by contact with an external object pressure.
EP06793009A 2005-09-01 2006-08-25 Patient positioning device Withdrawn EP1919364A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005041606A DE102005041606B4 (en) 2005-09-01 2005-09-01 Patient positioning device for radiotherapy
PCT/EP2006/065674 WO2007025936A1 (en) 2005-09-01 2006-08-25 Patient positioning device

Publications (1)

Publication Number Publication Date
EP1919364A1 true EP1919364A1 (en) 2008-05-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP06793009A Withdrawn EP1919364A1 (en) 2005-09-01 2006-08-25 Patient positioning device

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Country Link
US (1) US7741623B2 (en)
EP (1) EP1919364A1 (en)
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