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US 9,848,797 B2Granted
Patient tables and magnetic resonance imaging equipment
AssigneeSiemens Aktiengesellschaft
InventorsTing Qiang Xue, Xu Yan
Life of this patent
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Abstract
A patient table includes a table body configured for bearing a patient, a connecting rod structure configured for supporting the table body, and a spring structure. The connecting rod structure is operable such that the table body may perform a lifting motion between a high position and a low position. Both ends of the spring structure are fixed. At least a first end of the spring structure is hinged to the connecting rod structure. The spring structure may be used for driving the lifting motion of the connecting rod structure and/or bearing the table body. The patient table may be used for nuclear magnetic resonance imaging equipment.
Claims14
A patient table for nuclear magnetic resonance imaging equipment, the patient table comprising:
- a table body configured for bearing a patient;
- a connecting rod structure configured for supporting the table body, wherein the connecting rod structure is operable to move the table body between a high position and a low position;
- and
- a spring structure having a first fixed end and a second fixed end, wherein at least one end of the first fixed end and the second fixed end is hinged to the connecting rod structure, and wherein the spring structure is configured for driving movement of the connecting rod structure, bearing the table body, or driving movement of the connecting rod structure and bearing the table body using elastic force,
- wherein an angle between an orientation of the spring structure and a horizontal direction is less than or equal to ±15° from the horizontal direction for at least the high position,
- wherein the connecting rod structure comprises a first connecting rod and a second connecting rod, and wherein the first connecting rod and the second connecting rod are arranged crosswise through a central hinge,
- wherein a first end of the first connecting rod is hinged to a rack through a first fixed hinge, and wherein a second end of the first connecting rod is slidably supported on a base plane through a first sliding hinge,
- wherein a first end of the second connecting rod is hinged to the base plane through a second fixed hinge, and wherein a second end of the second connecting rod slidably supports the rack through the second sliding hinge, and
- wherein a first end of the spring structure is hinged to the first connecting rod above the central hinge, and a second end of the spring structure is hinged to the second fixed hinge, or wherein a first end of the spring structure is hinged to the second connecting rod above the central hinge and a second end of the spring structure is hinged to the first sliding hinge.
6 more elements
A nuclear magnetic resonance imaging apparatus comprising:
- a magnet configured to generate a static magnetic field;
- and
- a patient table comprising:
- a table body configured for bearing a patient;
- a connecting rod structure configured for supporting the table body, wherein the connecting rod structure is operable to move the table body between a high position and a low position;
- a spring structure having a first fixed end and a second fixed end, wherein at least one end of the first fixed end and the second fixed end is hinged to the connecting rod structure, and wherein the spring structure is configured for driving movement of the connecting rod structure, bearing the table body, or driving movement of the connecting rod structure and bearing the table body with an elastic force;
- and
- a locking mechanism configured to lock the connecting rod structure at least at the high position and the low position, wherein the locking mechanism comprises:
- a non-self-locking angle screw mounted to the connecting rod structure;
- a locking base fixed to a base plane;
- a pair of locking nuts sleeved on the non-self-locking angle screw;
- and
- a nut toggle mechanism mounted to the locking base;
- wherein an angle between an orientation of the spring structure and an orientation of a nearby static magnetic field is less than or equal to ±15° from the orientation of the nearby static magnetic field,
- wherein the locking base comprises a hole, the non-self-locking angle screw configured to pass through the hole in a non-threaded engagement manner;
- and
- wherein the nut toggle mechanism is configured for toggling the pair of locking nuts to move along an axial direction of the non-self-locking angle screw.
14 more elements
A patient table comprising:
- a table body configured for bearing a patient;
- a connecting rod structure configured for supporting the table body, wherein the connecting rod structure is operable to move the table body between a high position and a low position;
- a spring structure having a first fixed end and a second fixed end, wherein at least one end of the first fixed end and the second fixed end is hinged to the connecting rod structure, and wherein the spring structure is configured for driving movement of the connecting rod structure, bearing the table body, or driving movement of the connecting rod structure and bearing the table body;
- and
- a locking mechanism configured to lock the connecting rod structure at least at the high position and the low position, the locking mechanism comprising:
- a non-self-locking angle screw mounted to the connecting rod structure;
- a locking base fixed to a base plane;
- a pair of locking nuts sleeved on the non-self-locking angle screw;
- and
- a nut toggle mechanism mounted to the locking base;
- wherein the locking base comprises a hole, the non-self-locking angle screw configured to pass through the hole in a non-threaded engagement manner;
- and
- wherein the nut toggle mechanism is configured for toggling the pair of locking nuts to move along an axial direction of the non-self-locking angle screw.
10 more elements
Dependencies are inferred from the claim text.