Title:
【発明の名称】気管瘻用フィルター装置
Document Type and Number:
Japanese Patent JP3016861
Kind Code:
B2
Abstract:
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.
Inventors:
Smith, Rory James Maxwell
Application Number:
JP50311593A
Publication Date:
March 06, 2000
Filing Date:
July 08, 1993
Export Citation:
Assignee:
Capitex Healthcare Limited
International Classes:
A61F2/04; A61M16/04; A61M16/10; B01D39/14; B01D39/16; B01D39/18; B01D39/20; (IPC1-7): A61F2/04; B01D39/14
Domestic Patent References:
| JP619064B2 |
Attorney, Agent or Firm:
Hironobu Onda