发明名称 |
FILTERVORRICHTUNG FÜR EIN TRACHEOSTOMA |
摘要 |
PCT No. PCT/GB93/01428 Sec. 371 Date Mar. 21, 1995 Sec. 102(e) Date Mar. 21, 1995 PCT Filed Jul. 8, 1993 PCT Pub. No. WO94/01199 PCT Pub. Date Jan. 20, 1994A device for filtering air that is to be breathed through a tracheostoma, to simulate the role of the nose particularly in patients who have received a tracheostomy comprises a filter (20). The filter comprises a pre-filter (21) formed from electrostatically charged fibers, a first layer (22) formed from activated carbon and a second layer (23) a hydrophilic material such as one that is based on regenerated cellulose material. The filter includes a layer of adhesive by which it can be held in place when in use, and a cover layer (24) on its exposed surface. |
申请公布号 |
DE69309064(D1) |
申请公布日期 |
1997.04.24 |
申请号 |
DE1993609064 |
申请日期 |
1993.07.08 |
申请人 |
KAPITEX HEALTHCARE LTD., WETHERBY, WEST YORKSHIRE, GB |
发明人 |
SMITH, RORY JAMES MAXWELL, NR SKIPTON, NORTH YORKSHIRE BD23 5EB, GB |
分类号 |
A61F2/04;A61M16/04;A61M16/10;B01D39/14;B01D39/16;B01D39/18;B01D39/20 |
主分类号 |
A61F2/04 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|