Patient-supporting unit for a device for supporting a patient, who is to be x-rayed, during an operation

A patient-supporting device, comprising:

• a fastening assembly that fastens the patient-supporting device to a structural member;
• a support member configured to receive a body part of a patient;
• and
• a height adjustment assembly that includes a locking assembly and an elongated member;
• wherein the support member is attached to a first end portion of the elongated member;
• wherein the elongated member is guided in an aperture of the locking assembly in a longitudinal direction of the elongated member;
• wherein a plurality of snap-in recesses is disposed on a side portion of the elongated member;
• wherein the locking assembly includes a locking member;
• wherein the locking member, in a locked position, selectively engages in one of the plurality of snap-in recesses and substantially prevents a movement of the elongated member in a first direction;
• wherein the locking member is preloaded in the locked position by a resilient member;
• and
• wherein a lever moves the locking member against a resetting force of the resilient member, from the locked position into the unlocked position.

A patient-supporting device, comprising:

• a fastening assembly that fastens the patient-supporting device to a structural member;
• a support member configured to receive a body part of a patient;
• and
• a height adjustment assembly that includes a locking assembly and an elongated member;
• wherein the support member is attached to a first end portion of the elongated member;
• wherein the elongated member is guided in an aperture of the locking assembly in a longitudinal direction of the elongated member;
• wherein a plurality of snap-in recesses is disposed on a side portion of the elongated member;
• wherein the locking assembly includes a first locking member and a second locking member;
• wherein each of the first locking member and the second locking member, in a locked position, selectively engages in one of the plurality of snap-in recesses and substantially prevents a movement of the elongated member in a first direction;
• wherein each of the first locking member and the second locking member is movable between the locked position and an unlocked position;
• and
• wherein when moving from the locked position to the unlocked position, the first locking member and the second locking member move in opposite directions.