CA2169949C - Capteurs acoustiques jetables - Google Patents
Capteurs acoustiques jetables Download PDFInfo
- Publication number
- CA2169949C CA2169949C CA002169949A CA2169949A CA2169949C CA 2169949 C CA2169949 C CA 2169949C CA 002169949 A CA002169949 A CA 002169949A CA 2169949 A CA2169949 A CA 2169949A CA 2169949 C CA2169949 C CA 2169949C
- Authority
- CA
- Canada
- Prior art keywords
- sensor
- layer
- layers
- sensing
- sensing portions
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
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Landscapes
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
L'invention concerne un dispositif de détection acoustique (10) servant à capter des sons émis par l'intérieur du corps. Le dispositif est conçu pour détecter le fléchissement de l'épiderme d'un patient provenant de la nature localisée de sons émis par l'intérieur du corps, en particulier, les battements cardiaques et pour produire un signal électrique analogue au fléchissement de l'épiderme. Le dispositif décrit comporte, en tant qu'éléments principaux, deux parties de détection piézoélectriques à couches minces (12, 14), de préférence constituées par du fluorure de polyvinylidène ou un matériau piézoélectrique similaire, deux couches (16, 18) en matériau conformable, pratiquement incompressible, une couche adhésive souple et élastique (20) située entre des couches respectives des parties de détection et des couches en matériau incompressible, un connecteur électrique (22) à une extrémité du dispositif de détection, un inducteur éventuel à lignes neutres (24), une protection électrostatique (26) pour le connecteur électrique, un revêtement protecteur/barrière contre l'humidité (28), ainsi qu'une couche éventuelle adhésive ou couche de crème (30) servant à faire adhérer le dispositif de détection à l'épiderme du patient.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11419893A | 1993-08-30 | 1993-08-30 | |
| US08/114,198 | 1993-08-30 | ||
| PCT/US1994/009468 WO1995006525A1 (fr) | 1993-08-30 | 1994-08-29 | Detecteurs acoustiques jetables du type plaquette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CA2169949A1 CA2169949A1 (fr) | 1995-03-09 |
| CA2169949C true CA2169949C (fr) | 2006-04-11 |
Family
ID=36178076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002169949A Expired - Fee Related CA2169949C (fr) | 1993-08-30 | 1994-08-29 | Capteurs acoustiques jetables |
Country Status (1)
| Country | Link |
|---|---|
| CA (1) | CA2169949C (fr) |
-
1994
- 1994-08-29 CA CA002169949A patent/CA2169949C/fr not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CA2169949A1 (fr) | 1995-03-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EEER | Examination request | ||
| MKLA | Lapsed |