发明名称 Reusable dental impression tray
摘要 A reusable dental impression tray having a reusable rigid tray holder with opposing sidewalls spaced apart substantially a first distance, a connector at a distal end of the tray holder couples the sidewalls together, the sidewalls and connector define an inward facing surface, a channel formed in and extends along the inward facing surface, and a disposable mesh bite tray having a generally U-shaped frame having an open end and a closed end, the U-shaped frame is made of a flexible material wherein the U-shaped frame has a static shape having a width at the closed end substantially the first distance and a width at the open end which is greater than the first distance, wherein with the U-shaped frame received in the channel, the open and of the U-shaped frame is held with the open end having a compressed width substantially the same as the first distance.
申请公布号 US8979530(B2) 申请公布日期 2015.03.17
申请号 US201113876818 申请日期 2011.09.29
申请人 DENTSPLY International Inc. 发明人 McDonald Simon Paul
分类号 A61C9/00 主分类号 A61C9/00
代理机构 IpHorgan Ltd. 代理人 IpHorgan Ltd.
主权项 1. A reusable dental impression tray comprising: a reusable rigid tray holder with opposing sidewalls spaced apart substantially a first distance, the opposing sidewalls extend longitudinally in a curved manner, one of the opposing sidewalls defines a buccal sidewall and the other opposing sidewall defines a lingual or palatal sidewall, a connector located at a distal end of the tray holder couples the sidewalls together, the sidewalls and connector define an inward facing surface, a channel portion in the buccal sidewall, a channel portion in the lingual or palatal sidewall, a channel portion in the connector located at the distal end, where the channel portions in the buccal sidewall, lingual or palatal sidewall, and the connector located at the distal end form a continuous generally U-shaped channel in the inward facing surface, the channel portion in the buccal sidewall and the channel portion of the lingual or palatal sidewall are spaced apart substantially a second distance, and a handle located at a mesial end of the tray holder; and a disposable mesh bite tray having a generally U-shaped frame having an open end and a closed end, the U-shaped frame is made of a flexible material wherein the U-shaped frame has a static shape having a width at the closed end substantially the second distance and a width at the open end a third distance which is greater than the second distance, and wherein with the U-shaped frame received in the U-shaped channel, the open end of the U-shaped frame is urged to a compressed state with the open end having a compressed width substantially the same as the second distance.
地址 York PA US