Koninklijke Philips Corporation N.V.

Mika Petri Ylihautala

Erkki Tapani Vahala

Annemaria Johanna Halkola

Tero Jouko Valtter Virta

Max Oskar Köhler

Romhild Martijn Hoogeveen

Melanie Suzanne Kotys

Matti Lindstrom

Wycliffe Adell Raduma

Jere Matti Nousiainen

Gösta J Ehnholm

Antti Johannes Viitala

Ilpo Asko Julius Koskela

A magnetic resonance antenna includes a surface coil and a receive coil. The magnetic resonance antenna includes one or more antenna elements. The magnetic resonance antenna further includes a preamplifier for the antenna element and a coil former for supporting the antenna element. The coil former is formed from a porous material. The antenna is divided into an irradiation zone and at least one reduced radiation zone. The preamplifier for each of multiple antenna elements is located within the at least one reduced radiation zone. The multiple antenna elements are located at least partially within the irradiation zone. The coil former has a perimeter. The irradiation zone extends continuously from a first edge of the perimeter to a second edge of the perimeter. The first edge and the second edge are opposing edges.

Magnetic resonance imaging receive coil with reduced radiation attenuation

The invention provides for medical instrument () comprising a medical imaging system () for acquiring medical image data () from an imaging zone () and a treatment system () for depositing energy into a treatment zone (). A processor executing instructions receives () a selection of a reference location and one or more anatomical references. The instructions cause the processor to repeatedly: deposit energy into the subject using a treatment system; acquire medical imaging data with the medical imaging system; determine a cumulative dosage data from the medical image data; determine () a first registration () for the reference location; determine () a second registration () for the one or more anatomical references; render () the medical image, the one or more anatomical references, and the cumulative dosage data () in the graphical user interface; and halt the deposition of energy into the subject if a halt command is received from the graphical user interface.

Graphical user interface for medical instruments

The invention provides for a medical apparatus () comprising a high intensity focused ultrasound system (), a memory containing instructions, and a processor. Execution of the instructions causes the processor to receive () surface data () descriptive of the location of a surface (). The surface data defines the location of the heating volume. Execution of the instructions further cause the processor to determine () a set of transducer switching commands () using the heating location data and an ultrasound transducer element model () and control () the high intensity focused ultrasound system with the set of transducer switching commands to heat the heating volume. The set of transducer switching commands comprises an intensity level for the multiple ultrasound transducer elements either above or below a predetermined intensity for controlling a cross sectional shape of the heating volume to encompass the surface.

Medical apparatus for heating a heating volume defined by a surface

The invention provides for a medical instrument () comprising a LINAC guided by a magnetic resonance imaging system (). Execution of the instructions by processor to controlling the medical instrument cause the processor to: receive () a treatment plan () for irradiating the target zone; modify () the treatment plan in accordance with an X-ray transmission model of an accessory; acquire () magnetic resonance data using the magnetic resonance imaging system; reconstruct () a magnetic resonance image () from the magnetic resonance data; register () a location () of the target zone in the magnetic resonance image; generate () control signals () in accordance with the location of the target zone and the X-ray transmission model; and control () the LINAC to irradiate the target zone using the control signals.

Magnetic resonance guided LINAC

An RF/MR transmit and/or receive antenna is disclosed for use in a hybrid magnetic resonance imaging (MRI) system (or MR scanner), which comprises an MRI system and another imaging system for example in the form of a high intensity focused ultrasound (HIFU) system. The RF transmit and/or receive antenna () is provided with respect to its conductor structure such that it does not disturb or in any other way detrimentally influence the related other (i.e. HIFU) of the two systems, especially if both systems are operated simultaneously and if the RF antenna is positioned in close proximity to an object to be imaged.

RF transmit and/or receive antenna for a hybrid MRI/HIFU system

An RF transmit and/or receive antenna is disclosed, especially in the form of a coil structure or coil or loop arrangement, having one or more removable conductors, especially for use in a magnetic resonance imaging (MRI) system or a magnetic resonance (MR) scanner, for transmitting RF excitation signals (Bi field) for exciting nuclear magnetic resonances (NMR), and/or for receiving NMR relaxation signals. The RF antenna is provided such that it can be adapted in an easy way according to an application which either requires a large opening through the RF antenna or a parallel imaging capability.

RF antenna for MRI with a removable conductor

Fiducials () are disposed in an imaging region () along with a subject. The fiducials are mounted either to the subject itself, a surgical tool (), an imaging probe or receive coil (), or the like. The fiducials are filled with a liquid or gel of a fluorine 19 (Fl) compound which has a resonance frequency that is only 6% off from the resonance frequency of protons. This enables a common transmitter (), transmit and receive coils, and receiver () to be utilized for both proton and fluorine 19 imaging. The proton and fluorine resonance signals are separately reconstructed into corresponding image memories (). From the positions of the fiducials, a position calculator () determines the position of a fiducial carrying surgical tool or probe relative to the proton image. A depiction of the tool or probe from a look-up table () is appropriately positioned and rotated () and superimposed on the proton image by a video processor ().

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Vantaa, Finland

Mika Petri Ylihautala