Noninvasive head fixation method and apparatus
First Claim
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1. A noninvasive head fixation device for use in medical procedures to immobilize a head of a patient having a nasion, comprising:
- a frame, adapted to be disposed adjacent the patient'"'"'s head;
a first deformable housing attached to the frame and means for positioning the first deformable housing to overlie and contact the patient'"'"'s nasion, whereby its deformable housing may deform and conform to the shape of the patient'"'"'s nasion, the first deformable housing including means for retaining the shape imparted to the first deformable housing by the patient'"'"'s nasion; and
means for restraining rotational movement of the patient'"'"'s head, the restraining means being associated with the frame.
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Abstract
A noninvasive head fixation method and apparatus uses a flexible and compressible bladder which contacts and is deformed to conform to the shape of the patient'"'"'s nasion in order to immobilize the patient'"'"'s head during a medical procedure.
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Citations
32 Claims
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1. A noninvasive head fixation device for use in medical procedures to immobilize a head of a patient having a nasion, comprising:
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a frame, adapted to be disposed adjacent the patient'"'"'s head; a first deformable housing attached to the frame and means for positioning the first deformable housing to overlie and contact the patient'"'"'s nasion, whereby its deformable housing may deform and conform to the shape of the patient'"'"'s nasion, the first deformable housing including means for retaining the shape imparted to the first deformable housing by the patient'"'"'s nasion; and means for restraining rotational movement of the patient'"'"'s head, the restraining means being associated with the frame. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A noninvasive method of immobilizing a head of a patient having a nasion, for use in medical procedures, comprising the steps of:
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disposing the patient'"'"'s head adjacent a frame; disposing a first deformable housing associated with the frame to overlie and contact the patient'"'"'s nasion; deforming the first deformable housing to conform to the patient'"'"'s nasion; retaining the shape imparted to the first deformable housing by the patient'"'"'s nasion; and restraining rotational movement of the patient'"'"'s head. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32)
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Specification