Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
130 words
A head immobilization device, comprising: head support sheet having top and bottom surfaces supporting the head of a patient; and a pair of lateral support members for preventing lateral movement of the head, each lateral support member being a triangular cylinder of sheet material having three sides and a triangular cross-section, said cross-section being substantially parallel to the head support sheet with said sides extending in height at an angle away from said support sheet, and said cylinder extending longitudinally upward from the top surface of the head support sheet to provide a pair of triangular cylinders, each cylinder having an inner side and the inner sides of said pair of cylinders being spaced apart by a fixed spacing distance substantially the same as the maximum width of the head.
Claim 2
Dependent Claim
130 words
A head immobilization device, comprising: head support sheet having top and bottom surfaces supporting the head of a patient; and a pair of lateral support members for preventing lateral movement of the head, each lateral support member being a triangular cylinder of sheet material having three sides and a triangular cross-section, said cross-section being substantially parallel to the head support sheet with said sides extending in height at an angle away from said support sheet, and said cylinder extending longitudinally upward from the top surface of the head support sheet to provide a pair of triangular cylinders, each cylinder having an inner side and the inner sides of said pair of cylinders being spaced apart by a fixed spacing distance substantially the same as the maximum width of the head.
Claim 3
Dependent Claim
27 words
A device in accordance with claim 1 in which the triangular cylinders each have a bottom side which is adapted to engage the shoulder of the patient.
Claim 4
Dependent Claim
31 words
A device in accordance with claim 1 in which the triangular cylinders each have an ear hole in an inner side of said cylinder to accommodate the ears of the patient.
Claim 5
Dependent Claim
28 words
A device in accordance with claim 1 in which the head support sheet is provided with attachment means for attaching said support sheet to a flat support member.
Claim 6
Dependent Claim
17 words
A device in accordance with claim 4 in which the attachment means is an adhesive attachment means.
Claim 7
Dependent Claim
32 words
A device in accordance with claim 1 in which the triangular cylinders are integral with the head support sheet and extend longitudinally substantially perpendicular to the top surface of said support sheet.
Claim 8
Dependent Claim
37 words
A device in accordance with claim 6 in which said cylinders are formed by folding two side strips of sheet material and the opposite ends of each side strip are fastened together by a releasable fastening means.
Claim 9
Dependent Claim
19 words
A device in accordance with claim 7 in which the fastening means is a hook and loop fastening means.
Claim 10
Dependent Claim
18 words
A device in accordance with claim 1 in which the triangular cylinders have cross-sections which are right triangles.