| 发明名称 |
SPRING-BALL VALVE FOR VOICE PROSTHESIS |
| 摘要 |
<p>A voice prosthesis that is formed of a soft, elastomeric body containing a spring loaded ball valve, preferably a non-impervious, smooth ball such as a ruby ball biased by a flat helical spring against a seat mounted in a rigid cartridge. An insertion device includes a handle with expandable tip which enters and locks within the cartridge.</p> |
| 申请公布号 |
EP1458312(A2) |
申请公布日期 |
2004.09.22 |
| 申请号 |
EP20020806211 |
申请日期 |
2002.12.20 |
| 申请人 |
HELIX MEDICAL, INC. |
发明人 |
SEDER, EDMUND, V.;SOLIS, MITCHELL, A. |
| 分类号 |
A61F2/20;A61M16/00;F16B;(IPC1-7):A61F2/20 |
主分类号 |
A61F2/20 |
| 代理机构 |
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代理人 |
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