| 发明名称 | Tracheostomy tube assemblies having spherical bearing elements | ||
| 摘要 | Various embodiments of tracheostomy tube assemblies including a first subassembly and a flange subassembly are provided. The first subassembly includes a connector and a first spherical bearing element coupled to a first end of the connector. The first spherical bearing element includes at least two protrusions radially offset about a circumference of the first spherical bearing element. The flange subassembly includes an outer spherical bearing element having recesses for receiving the at least two protrusions and being adapted to encapsulate the first spherical bearing element. | ||
| 申请公布号 | US8887729(B2) | 申请公布日期 | 2014.11.18 |
| 申请号 | US201113076859 | 申请日期 | 2011.03.31 |
| 申请人 | Covidien LP | 发明人 | Harrington Roger |
| 分类号 | A61M16/00;A61M16/08;A61M16/04 | 主分类号 | A61M16/00 |
| 代理机构 | Fletcher Yoder PC | 代理人 | Fletcher Yoder PC |
| 主权项 | 1. A tracheostomy tube assembly, comprising: a first subassembly comprising a lower cannula, an upper connector, and an inner spherical bearing element disposed between the lower cannula and the upper connector and comprising at least two protrusions; a flange member comprising an outer spherical bearing element having recesses for receiving the at least two protrusions and being configured to encircle the inner spherical bearing element; and a cuff disposed on a distal end of the lower cannula and configured to inflate to seal against a patient's trachea. | ||
| 地址 | Mansfield MA US | ||