WO2023237375A1 - Système de miroir pour transmission d'un contenu vidéo à un patient dans un scanner, et support de patient, scanner médical et système de divertissement de patient utilisant le système de miroir - Google Patents

Système de miroir pour transmission d'un contenu vidéo à un patient dans un scanner, et support de patient, scanner médical et système de divertissement de patient utilisant le système de miroir Download PDF

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Publication number
WO2023237375A1
WO2023237375A1 PCT/EP2023/064347 EP2023064347W WO2023237375A1 WO 2023237375 A1 WO2023237375 A1 WO 2023237375A1 EP 2023064347 W EP2023064347 W EP 2023064347W WO 2023237375 A1 WO2023237375 A1 WO 2023237375A1
Authority
WO
WIPO (PCT)
Prior art keywords
patient
support
mirror
support arm
mirror system
Prior art date
Application number
PCT/EP2023/064347
Other languages
English (en)
Inventor
Cecilia Possanzini
Lieven Adriaenssen
Wen DENG
Shubharthi SENGUPTA
Original Assignee
Koninklijke Philips N.V.
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
Priority claimed from EP22182167.1A external-priority patent/EP4289342A1/fr
Application filed by Koninklijke Philips N.V. filed Critical Koninklijke Philips N.V.
Publication of WO2023237375A1 publication Critical patent/WO2023237375A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
    • A61B5/704—Tables
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/74—Details of notification to user or communication with user or patient ; user input means
    • A61B5/742—Details of notification to user or communication with user or patient ; user input means using visual displays
    • A61B5/7445—Display arrangements, e.g. multiple display units
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/283—Intercom or optical viewing arrangements, structurally associated with NMR apparatus
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
    • A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves  involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
    • 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
    • A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body

Definitions

  • Medical scanners are important in clinical settings for diagnosis, treatment planning and treatment monitoring. Generally, a patient is required to he on a scanner bed, which is then positioned within a bore of the scanner before image acquisition is performed. These scans can be lengthy and noisy, with patients often required to he relatively still within the scanner bore. In addition, scanner bores may be fairly narrow such that there is little separation between the patient’s body and the inner surface of the scanner bore.
  • remote photoplethysmography imaging is a recent emerging technology capable of measuring vital signs by monitoring skin perfusion.
  • Remote photoplethysmography utilizes an off-the-shelf camera and a light source to remotely detect the dynamic changes in blood volume beneath the skin and allows the extraction of blood pulsation signals. It would be desirable to provide a system for entertaining patients within a scanner whilst also allowing clinicians to take remote measurements using techniques for monitoring vital signs.
  • US5825563 describes a device to reduce patient claustrophobia in a magnetic resonance imaging (MRI) scanner.
  • the device described in US5825563 includes a mirror mounted on a support arm, wherein the support arm can be mounted on the patient bed of an MRI scanner.
  • WO2019068185 describes a device for reducing patient anxiety in medical scanners.
  • the device described in WO2019068185 includes a mirror mounted to a support that can be attached to a patient bed.
  • WO2021/102587 discloses a mirror system for displaying images to a patient from a display apparatus (permanently) connected to the patient support and means for handling collisions of this arrangement.
  • US 11185293B2 discloses a screen for a patient in an imaging device that is mounted to a movable frame.
  • the mirror and its support can get in the way of the patient when moving on and off the patient bed, and its presence can increase a feeling of claustrophobia.
  • different mirror system designs are needed for different types of scanner and their associated patient supports, so that the mirror system becomes an expensive option. Thus, there remain problems with current mirror system designs.
  • a mirror system for relaying video content to a patient on a patient support of a medical scanner, the mirror system comprising: a flexible support arm having first and second opposite ends; a mirror attached to the support arm; and first and second support members, each for mounting in a position which is fixed relative to the patient support, and each comprising an end portion, wherein the first and second ends of the support arm are each detachably and rotatably couplable to a respective one of the end portions, and when the support arm is coupled to the end portions it forms an arch.
  • This mirror system is for mounting to a patient support, e.g. a patient couch, of a medical scanner.
  • the support arm which holds the mirror is flexible so that it can be fitted to support members at different spacings. This means that the same support arm may be used with different patient supports and different support members.
  • the support arm forms an arch over the patient support, e.g. over the area where the patient's head will be located. The arch may be positioned to follow the inner contour of a bore of the medical scanner so that the mirror system takes up a minimal amount of space within the bore. This means that the patient can get on and off the patient support without the mirror system getting in their way.
  • the rotatable coupling means that the mirror position can be adjusted to give the best view of the video content (which is, for example, provided on a screen remote from the medical scanner), as well as being adjustable to make it easiest for the patient to get on and off the patient support.
  • the first end of the support arm and the end portion of the first support member may define a first hinge coupling and the second end of the support arm and the end portion of the second support member may define a second hinge coupling.
  • the two hinge couplings, on opposite sides of the patient support provide a firm coupling to the support members and the support arm is easy to grip and adjust.
  • the position of the mirror on the flexible support arm may be adjustable. In combination with the pivoting of the support arm, this enables the mirror to be moved to a position giving the patient an optimal view of the video content.
  • the system may further comprise a second mirror attached to the support arm for vital signs monitoring.
  • the first mirror is used for providing entertainment to the patient and a second mirror can be for reading vital signs.
  • a vital signs camera remote from the scanner e.g. on the room wall
  • the second mirror may directed to the cheek or forehead of the patient for collecting a remote PPG (rPPG) signal - from which respiration rate and/or heart rate can be extracted.
  • rPPG remote PPG
  • the medical scanner may further comprise a screen for displaying video content, wherein the mirror system is for providing a viewing path between the patient and the screen.
  • the medical scanner may further comprise a second mirror attached to the support arm for vital signs monitoring, and the medical scanner then also comprises a vital signs monitoring unit for monitoring the patient using the second mirror.
  • the vital signs monitoring unit may comprise a remote PPG camera for monitoring heart rate and/or respiration rate.
  • the invention also provides a patient entertainment system for using during medical scanning, with the patient on a patient support of a medical scanner, the entertainment system comprising: a screen for displaying video content; and any of the mirror systems described above for providing a viewing path between the patient and the screen.
  • Fig. 1 shows a mirror system for relaying video content to a patient on a patient support of a medical scanner
  • Fig. 2 shows a patient support system
  • Fig. 3 shows the flexible support arm of a mirror system being manually connected to the first and second support members
  • Fig. 6 shows a medical scanner comprising a screen for displaying video content
  • Fig. 7 shows a medical scanner comprising a screen for displaying video content, a second mirror, and a vital signs monitoring unit;
  • Fig. 8 shows a patient entertainment system. DETAILED DESCRIPTION OF THE EMBODIMENTS
  • the invention provides: a mirror system for relaying video content to a scanner patient, a patient support, a medical scanner and a patient entertainment system.
  • a mirror system for relaying video content to a scanner patient, a patient support, a medical scanner and a patient entertainment system.
  • Each of the patient support, medical scanner and patient entertainment system use the mirror system.
  • the mirror system includes a flexible support arm, which is reversibly detachably and rotatably couplable to first and second support members.
  • Fig. 1 shows the first and second ends 12a, 12b of the support arm 10 coupled to a respective one of the end portions 16a, 16b. As shown in Fig. 1, when the support arm 10 is coupled to the end portions 16a, 16b it forms an arch.
  • Mirror systems for directing video content to a patient on a patient support of a medical scanner already exist.
  • the inventors of the present invention have realized that providing a system comprising a flexible support arm which is detachably and rotatably couplable to two support members enables the same mirror to be used on different patient supports. That is, the mirror system can be coupled to one patient support, for example a patient couch of a medical scanner, but then transferred to a different patient support with a different design from the first patient support. As such is can be detached and re-attached every time this is necessary.
  • the inventors of the present invention have devised a more economical mirror system that can be used on several different scanners.
  • the scanners only need to be equipped with support members having a suitable design to enable the support arm ends 12a, 12b to be connected to them.
  • the flexible support arm design enables some freedom in the exact spacing between the support members.
  • the flexible support arm 10 may be easily locked onto the support members 14a, 14b.
  • the flexible support arm 10 and support members 14a, 14b may be configured so that the support arm can be moved to different states (i.e. open, closed and intermediate positions). Any suitable locking and unlocking coupling may be used. For example there may be additional fastenings which are applied to couple the end portions and the ends.
  • the support arm may be connectable to, and releasable from, the support members in one angular orientation (e.g. with the support arm flat against the patient support) but once rotated into an active positions (e.g. with the support arm raised over the patient support, and over head of the patient) the support arm is locked to the support members.
  • the coupling between the support arm and the support members does not require use of any tools.
  • Fig. 2 shows a patient support system 110 comprising the mirror system 100 of Fig. 1 and a patient support 30.
  • the mirror system 100 of Fig. 1 is mounted to the patient support 30 via the first and second support members 14a, 14b.
  • the first and second support members 14a, 14b are mounted directly to the patient support.
  • intermediate components between the first and second support members 14a, 14b and the patient support 30 may be provided in other embodiments. Since the arm support 10 is flexible, slight variations in the spacing or positioning of the first and second support members 14a, 14b on the patient support 30 will not prevent the arm support being coupled to the first and second support members 14a, 14b, as mentioned above.
  • support arm 10 is flexible, it is also designed to be sufficiently robust to keep the mirror 20 in place to withstand vibration introduced by the patient or a medical scanner.
  • Fig. 2 also shows how a patient can be positioned on the patient support 30 so that the mirror 20 of the patient support system 110 is positioned in their line of sight. This enables video content to be directed to the patient lying on the patient support 30, reflected from a remote video source.
  • Fig. 2 also shows a second mirror 40. This is used to provide a line of sight between a vital signs camera (which is remote from the scanner) and the patient, for example the cheek or forehead of the patient.
  • the vital signs camera is for example a remote PPG (rPPG) system from which respiration rate and/or heart rate can be extracted.
  • rPPG remote PPG
  • Fig. 3 shows the flexible support arm 10 of a mirror system being manually connected to the first and second support members 14a, 14b.
  • the support arm 10 is sized so that an operator standing next to the patient support can easily couple the support arm 10 to the support members 14a, 14b.
  • Fig. 4 shows a patient support system 120, wherein the first and second support members 14a, 14b are mounted to a patient coil 50.
  • MRI medical resonance imaging
  • This invention is of interest for all imaging modalities, it is of particular interest to medical resonance imaging (MRI) due to the associated long scan times.
  • Magnetic resonance imaging is a medical imaging technique that uses strong magnetic fields to generate images within the body.
  • a MRI system comprises several different types of coils.
  • an MRI system will include superconducting coils to generate a static magnetic field, a set of gradient coils to generate magnetic field gradients, and radio frequency (RF) coils to transmit and receive RF pulses.
  • RF radio frequency
  • the patient coil 50 may include multiple individual coil elements and the term "patient coil” should be understood accordingly.
  • first and second support members 14a, 14b can be mounted directly to the patient support 30 or they can be mounted to a patient coil 50 that is fixed relative to the patient support 30 - as shown in Fig. 4.
  • the support arm 10 may for example comprises a channel for adjusting the position of the mirror 20.
  • the position of the second mirror 40 may also be adjusted.
  • Either or both mirrors 20, 40 may comprise an interface (not shown) configured to co-operate with the channel. Thereby, the mirror positions can be adjusted by sliding the mirrors 20, 40 along the channel.
  • Fig. 5 shows a medical scanner 1000 comprising a scanning system 200 with a bore 210, and a patient support system 110.
  • the patient support system 110 is shown mostly outside the bore in Fig. 6. However, the skilled person will understand that normally the patient will be positioned on the patient support 30 whilst it is outside the bore, and then the patient support 30 will be slowly moved into the bore 30 so that the patient support system 110 extends through the bore 30.
  • the patient support system comprises a mirror system 100.
  • Fig. 6 shows a medical scanner 1000 comprising a seaming system 200 and a screen 60 for displaying video content.
  • the screen 60 is arranged with respect to the mirror 20 so that video content can be relayed to a patient positioned on the patient support 30.
  • the flexible support arm 10 forms an arch above the patient.
  • the support arm may be positioned so that when it is in a fully open position it follows the inner contour of the bore.
  • the support arm may fit almost flush against the inner surface of the bore of the scanner, so that it takes up a minimum amount of space within the scanner.
  • This arrangement means that the patient can be get on or off the patient support 30 without being obstructed by the mirror system.
  • this has the benefit that the desired distance is maintained between the eyes of the patient and the mirror.
  • the loop may be sized to fit a bore diameter of approximately 60 cm, or a bore diameter of approximately 70 cm.
  • Fig. 7 also shows a medical scanner 1000 comprising a scanning system 200 and a screen 60 for displaying video content.
  • the medical scanner 1000 further comprises a second mirror 40 and a vital signs monitoring unit 70.
  • the vital signs monitoring unit 70 may be positioned on the wall of the scanner room, and the second mirror 40 may be directed towards the patient’s cheek or forehead.
  • the vital signs monitoring unit 70 may comprise a rPPG camera for collecting rPPG signal from the patient. This enables clinicians to determine the heart rate and/or respiration rate of the patient. It is to be understood that other means of vital signs monitoring may be used other than rPPG monitoring.
  • Fig. 8 shows a patient entertainment system comprising a screen 60 for displaying video content, and a mirror system 100.
  • Fig. 8 also shows (in hidden detail) the channel 11 along which the mirror or mirrors can be slid to adjust their position along the support arm.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Medical Informatics (AREA)
  • Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biophysics (AREA)
  • Molecular Biology (AREA)
  • Pathology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)

Abstract

L'invention concerne un système de miroir prévu pour transmettre un contenu vidéo à un patient sur un support de patient d'un scanner médical. Le système de miroir comprend au moins un bras de support flexible ayant des première et seconde extrémités opposées et un miroir fixé au bras de support. Le système de miroir comprend également au moins des premier et second éléments de support, chacun étant destiné à être monté dans une position qui est fixe par rapport au support de patient, et comprenant chacun une partie d'extrémité. Les première et seconde extrémités du bras de support peuvent être accouplées chacune de manière amovible et rotative à l'une respective des parties d'extrémité des éléments de support, et lorsque le bras de support est accouplé aux parties d'extrémité, celui-ci forme une arche.
PCT/EP2023/064347 2022-06-07 2023-05-30 Système de miroir pour transmission d'un contenu vidéo à un patient dans un scanner, et support de patient, scanner médical et système de divertissement de patient utilisant le système de miroir WO2023237375A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN2022097376 2022-06-07
CNPCT/CN2022/097376 2022-06-07
EP22182167.1 2022-06-30
EP22182167.1A EP4289342A1 (fr) 2022-06-07 2022-06-30 Système de miroir pour relayer un contenu vidéo vers un patient de scanner et système d'aide au patient, scanner médical et de divertissement du patient au moyen du système de miroir

Publications (1)

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WO2023237375A1 true WO2023237375A1 (fr) 2023-12-14

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825563A (en) 1995-09-12 1998-10-20 General Electric Company Mirror and support for use in a magnetic resonance imaging device
JP2003190112A (ja) 2001-12-27 2003-07-08 Ge Medical Systems Global Technology Co Llc 表示装置及び磁気共鳴イメージング装置
WO2019068185A1 (fr) 2017-10-02 2019-04-11 Innovere Medical Inc. Systèmes et procédés permettant de montrer des images à un patient se trouvant sur une table mobile pendant des procédures d'imagerie médicale ou de nature thérapeutique
US20190277927A1 (en) 2016-11-25 2019-09-12 General Electric Company A radio frequency head coil for a magnetic resonance imaging system and methods thereof
WO2021102587A1 (fr) 2019-11-29 2021-06-03 Innovere Medical Inc. Systèmes et méthodes de commande de collision passive pendant des procédures d'imagerie médicale ou thérapeutiques
US11185293B2 (en) 2015-10-30 2021-11-30 Canon Medical Systems Corporation Medical image diagnostic apparatus and magnetic resonance imaging apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825563A (en) 1995-09-12 1998-10-20 General Electric Company Mirror and support for use in a magnetic resonance imaging device
JP2003190112A (ja) 2001-12-27 2003-07-08 Ge Medical Systems Global Technology Co Llc 表示装置及び磁気共鳴イメージング装置
US11185293B2 (en) 2015-10-30 2021-11-30 Canon Medical Systems Corporation Medical image diagnostic apparatus and magnetic resonance imaging apparatus
US20190277927A1 (en) 2016-11-25 2019-09-12 General Electric Company A radio frequency head coil for a magnetic resonance imaging system and methods thereof
WO2019068185A1 (fr) 2017-10-02 2019-04-11 Innovere Medical Inc. Systèmes et procédés permettant de montrer des images à un patient se trouvant sur une table mobile pendant des procédures d'imagerie médicale ou de nature thérapeutique
WO2021102587A1 (fr) 2019-11-29 2021-06-03 Innovere Medical Inc. Systèmes et méthodes de commande de collision passive pendant des procédures d'imagerie médicale ou thérapeutiques

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