Adjustable impression tray with variable geometry
OwnerLydie Livolsiinventor
Life of this patent
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Abstract
The invention relates to an adjustable impression tray (1) comprising a trough (2) in the form of an arch with a straight central portion (7) extended by two lateral branches (8,9), essentially matching the form of a dental arch and comprising several integral zones which may be deformed at the temperature of use in the form of a multi-directional extension means (12), for example an accordion-like bellows arrangement (13 to 16). The impression tray, preferably for single usage, advantageously comprises splitting zones (17, 18) which allow the production of impression trays of differing sectors, which by comprising one or several deformation zones are equally adjustable. The invention is of interest to dentists and prosthetic dentists and more generally to producers and users of dental equipment.
Claims21
An impression tray for capture of one or more of a sectoral or total impression of one or more of an upper jaw or a lower jaw, the impression tray comprising:
- a gutter (2, 102, 202) in a general shape of an arch with a central curved section (7, 107) extending on first and second sides by two side branches (8, 9, 108, 109), the gutter comprising;
- a bottom wall (3, 103, 203) bordered longitudinally by an interior side wall (4, 104, 204) and an external side wall (5, 105, 205), and thus defining a receiving throat (6, 106) being able to be filled with an impression paste;
- and
- at least an integrated deformable zone, deformable at a temperature of use and having a multidirectional extension portion (12, 112, 212) extending contiguously across the entire bottom wall, interior side wall and external side wall of the gutter to facilitate both angular adjustment and a change of length of the gutter.
An impression tray for capture of one or more of a sectoral or total impression of one or more of an upper jaw or a lower jaw, the impression tray comprising:
- a gutter (2, 102, 202) in a general shape of an arch with a central curved section (7, 107) extending on first and second sides by two side branches (8, 9, 108, 109), the gutter comprising;
- a bottom wall (3, 103, 203) bordered longitudinally by an interior side wall (4, 104, 204) and an external side wall (5, 105, 205), and thus defining a receiving throat (6, 106) being able to be filled with an impression paste;
- an interior edge of the gutter formed on the interior side wall, and an external edge of the gutter formed on the external side wall;
- and
- at least an integrated deformable zone formed in the gutter, said deformable zone comprising a contiguous bellows extending from said interior edge completely across the interior wall, the bottom wall and the external wall to the external edge of the gutter to define a multidirectional extension portion (12, 112, 212) which permits both angular alignment and lengthwise extension of the gutter.
Dependencies are inferred from the claim text.