The embodiments relate to a local coil arrangement for an imaging MRI system, where the system is a head local coil or a head/neck local coil, which includes a mirror housing that is mounted in a rotatable manner on the local coil arrangement.
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1. A local coil arrangement for a magnetic resonance imaging (MRI) system, the local coil arrangement comprising: a head local coil or a head-and-neck local coil; anda mirror housing comprising three mirrored surfaces, wherein the mirror housing is mounted in a rotatable manner to the head local coi
1. A local coil arrangement for a magnetic resonance imaging (MRI) system, the local coil arrangement comprising: a head local coil or a head-and-neck local coil; anda mirror housing comprising three mirrored surfaces, wherein the mirror housing is mounted in a rotatable manner to the head local coil or the head-and-neck local coil,wherein the head local coil or the head-and-neck local coil is configured to move from a non-titled position to a titled position, the non-titled position defined by a base of the head local coil or the head-and-neck local coil being positioned in a plane parallel with a patient couch, and the titled position being defined by the base of the head local coil or the head-and-neck local coil being positioned in a separate plane that is not parallel with the patient couch, andwherein the mirror housing is configured to rotate, based on gravity forces acting upon the mirror housing, to maintain a position with respect to, and provide a first view along a first horizontal direction and provide a second view along a second horizontal direction opposite the first horizontal direction, the first and second horizontal directions being in a plane parallel with the patient couch regardless of whether the head local coil or the head-and-neck local coil is positioned in the non-titled position or the titled position. 2. The local coil arrangement as claimed in claim 1, wherein the mirror housing is mounted in a suspended manner. 3. The local coil arrangement as claimed in claim 1, further comprising: a mirror stand secured to an upper portion of the head local coil or the head-and-neck local coil,wherein the mirror housing is mounted in a rotatable manner on the mirror stand. 4. The local coil arrangement as claimed in claim 1, wherein a first mirrored surface and a second mirrored surface of the three mirrored surfaces are part of a first mirror system, and wherein a third mirrored surface of the three mirrored surfaces is part of a second mirror system. 5. The local coil arrangement as claimed in claim 1, wherein the first horizontal direction is in a direction of a patient's feet. 6. The local coil arrangement as claimed in claim 4, wherein the first mirrored surface of the first mirror system comprises a degree of deflection of 22.5° from the first horizontal direction in a direction of a patient's feet, and the first and second mirrored surfaces of the first mirror system comprise a combined degree of deflection of 45° from the first horizontal direction between the first and second mirrored surfaces. 7. The local coil arrangement as claimed in claim 1, wherein the second horizontal direction is in a direction beyond a patient's head. 8. The local coil arrangement as claimed in claim 4, wherein the third mirrored surface of the second mirror system comprises a degree of deflection of 45° from the second horizontal direction in a direction of a patient's head. 9. The local coil arrangement as claimed in claim 1, further comprising: a mirror stand secured to an upper portion of the head local coil or the head-and-neck local coil,wherein the mirror housing is mounted on the mirror stand in the rotatable manner at a center of rotation. 10. The local coil arrangement as claimed in claim 9, wherein the mirror housing is mounted on the mirror stand with a low-friction plain bearing or a ball bearing. 11. The local coil arrangement as claimed in claim 9, wherein the center of rotation is positioned at a distance over a center of gravity of the mirror housing, and wherein the distance is sufficient for tilting of the head local coil or the head-and-neck local coil and is not prevented by the mount at the center of rotation for the mirror housing to be able to provide the first view along the first horizontal direction and the second view along the second horizontal direction regardless of whether the head local coil or the head-and-neck local coil is positioned in the non-titled position or the titled position. 12. The local coil arrangement as claimed in claim 9, wherein the center of rotation is positioned above a center of gravity of the mirror housing. 13. The local coil arrangement as claimed in claim 12, wherein the center of rotation is positioned vertically over the center of gravity of the mirror housing such that a direction of view of a patient extends horizontally out of a bore of the MRI system when the head coil is in a non-tilted position. 14. The local coil arrangement as claimed in claim 3, further comprising: a locking screw, the locking screw configured for locking an angular setting of the mirror housing relative to the mirror stand. 15. The local coil arrangement as claimed in claim 14, wherein the locking screw comprises an end face comprising elastic material. 16. The local coil arrangement as claimed in claim 3, further comprising: a first locking screw provided on a first side of the mirror stand, and second locking screw provided on a second side of the mirror stand, wherein the first and second locking screws are configured for locking an angular setting of the mirror housing relative to the mirror stand. 17. The local coil arrangement as claimed in claim 3, wherein the mirror stand is attached to a mirror holder, an upper part of the head local coil or the head-and-neck local coil, or the mirror holder and the upper part of the head local coil or the head-and-neck local coil, wherein the mirror stand is displaceable in a patient longitudinal direction, independently of whether the head local coil or the head-and-neck local coil is positioned in the non-titled position or the titled position, andwherein the mirror stand is displaceable in a direction inclined with respect to the patient longitudinal direction by a degree of tilt with respect to the patient couch. 18. The local coil arrangement as claimed in claim 3, further comprising: scales on the mirror housing, the mirror stand, or the mirror housing and the mirror stand, wherein the scales display the angular setting of the mirror housing and the mirror stand relative to one another. 19. The local coil arrangement as claimed in claim 1, wherein the mirror housing is mounted in a rotatable manner on a mirror stand of the local coil arrangement, wherein the mirror housing, the mirror stand, and the three mirrored surfaces consist of non-magnetic material. 20. A local coil arrangement for a magnetic resonance imaging (MRI) system, the local coil arrangement comprising: a head local coil or a head-and-neck local coil;a mirror housing that is mounted in a rotatable manner to the head local coil or the head-and-neck local coil; andweights attached below a center of rotation on one side or on both sides of the mirror housing, wherein the weights are configured to provide increased wall strength of the mirror housing in comparison to other regions of the mirror housing. 21. A local coil arrangement for a magnetic resonance imaging (MRI) system, the local coil arrangement comprising: a head local coil or a head-and-neck local coil; anda mirror housing comprising a plurality of mirrors, wherein the mirror housing is mounted in a rotatable manner to the head local coil or the head-and-neck local coil,wherein the head local coil or the head-and-neck local coil is configured to move from a non-titled position to a titled position, the non-titled position defined by a base of the head local coil or the head-and-neck local coil being positioned in a plane parallel with a patient couch, and the titled position being defined by the base of the head local coil or the head-and-neck local coil being positioned in a separate plane that is not parallel with the patient couch,wherein the mirror housing is configured to rotate, based on gravity forces acting upon the mirror housing, to maintain a position with respect to, and provide a first view along a first horizontal direction and provide a second view along a second horizontal direction opposite the first horizontal direction, the first and second horizontal directions being in a plane parallel with the patient couch regardless of whether the head local coil or the head-and-neck local coil is positioned in the non-titled position or the titled position, andwherein one mirror of the plurality of mirrors comprises a degree of deflection of 22.5° from the first horizontal direction in a direction of a patient's feet, and two mirrors of the plurality of mirrors comprise a degree of deflection of 45° from the first horizontal direction between the two mirrors.
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이 특허에 인용된 특허 (12)
Reusche Thomas K. (Wayne IL) Reusche Donald W. (St. Charles IL) Owen Donald B. (Villa Park IL), Adjustable mounting assembly.
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