| 摘要 |
An article of headgear, particularly but not limited to surgeon's headgear, comprises a frame 12, a lighting arrangement 68 on the frame arranged to point generally towards a focal point in front of the frame. The headgear is arranged such that, when worn on the head of a user, the centre of gravity of the headgear 78 is arranged rearwardly relative to the nodding pivot point of the head of the user. The frame 12 has a front part and a rear part. The front part carries a piece of optical equipment 104 and the rear part carries a lighting arrangement 68 or power source. The weight of the lighting arrangement 68 or power source at least partially counterbalances the weight of the optical equipment 104 or vice versa. The article of headgear 78 comprises a band 12 for arranging around a part of a user's head, a frame 14 for carrying optical equipment 104 mounted to the band so as to extend, in use, around a user's eyes, part of the band extending, in use, over the crown of the user's head and the band bearing at least part of the weight of the frame. The band 12 has a front curved band part 16, two side band parts 18 extending from opposite ends of the front curved band part, the side band parts curving out of the plane defined by the front curved band part, and a rear band part 24 extending between the ends of the side band parts and spaced from the front curved band part. When the article of headgear is worn by a user, the side band parts 18 extend along the parietal bones of the skull to reduce substantially load applied to the sphenoid or temporal bones. Preferably, the frame is mounted on the band, the band supporting the frame in such a way that, in use, substantially no weight is applied to the nose of a user. The invention further envisages a method of fitting an article of surgical headgear to a user comprising the steps of: scanning the head of the user using a laser scanning arrangement, using data from the scan to determine a set of dimensions of the head of the user, using the set of dimensions to design the shape and size of the article of surgical headgear. |
