WO1998034565B1 - Traitement des stenoses urinaires et autres stenoses corporelles - Google Patents
Traitement des stenoses urinaires et autres stenoses corporellesInfo
- Publication number
- WO1998034565B1 WO1998034565B1 PCT/US1998/002190 US9802190W WO9834565B1 WO 1998034565 B1 WO1998034565 B1 WO 1998034565B1 US 9802190 W US9802190 W US 9802190W WO 9834565 B1 WO9834565 B1 WO 9834565B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mass
- collagen
- tissue
- stricture
- effective
- Prior art date
Links
- 230000002485 urinary Effects 0.000 title 1
- 102000008186 Collagen Human genes 0.000 claims abstract 58
- 108010035532 Collagen Proteins 0.000 claims abstract 58
- 229960005188 collagen Drugs 0.000 claims abstract 58
- 229920001436 collagen Polymers 0.000 claims abstract 58
- 210000001519 tissues Anatomy 0.000 claims abstract 56
- 238000002679 ablation Methods 0.000 claims abstract 11
- 239000000126 substance Substances 0.000 claims 30
- 239000012530 fluid Substances 0.000 claims 27
- 239000011159 matrix material Substances 0.000 claims 8
- 239000012528 membrane Substances 0.000 claims 3
- 238000007789 sealing Methods 0.000 claims 2
- 206010002329 Aneurysm Diseases 0.000 claims 1
- 238000010521 absorption reaction Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 claims 1
- 239000003550 marker Substances 0.000 claims 1
- 230000000087 stabilizing Effects 0.000 claims 1
- 238000007747 plating Methods 0.000 abstract 1
Abstract
L'invention concerne une méthode et un système permettant de traiter des sténoses corporelles de façon à ramener le diamètre luminal à l'intérieur d'une plage de diamètres normaux. Selon la méthode, on dilate la sténose de façon à étirer sa lumière jusqu'à un diamètre désiré; on extrude du collagène près du tissu existant de ladite sténose, afin qu'il soit absorbé par ledit tissu ou colle sur celui-ci, de façon à constituer une structure tissulaire améliorée par le collagène; et on fournit de l'énergie de façon à affecter ledit tissu amélioré par le collagène, notamment par ablation ou durcissement. On peut répéter l'ablation et le durcissement afin de créer une série de couches de collagène durci constituant un cadre support, de préférence en forme de cylindre creux. On termine la dilatation de la sténose en gonflant un ou plusieurs ballonnets, ou en comprimant le collagène extrudé, jusqu'à ce que le diamètre de la sténose soit supérieur à une plage de diamètre normaux. Quand l'énergie est émise dans le collagène, la sténose se rétracte et reprend son diamètre normal, par ablation du tissu excédentaire ou par aplatissement de sa paroi. On isole également le tissu de la sténose au moyen d'une série de ballonnets, à une extrémité de la sténose ou aux deux, de façon à l'isoler et à limiter le collagène à ce niveau. Une endoprothèse, fixée de préférence par le collagène sur le tissu, supporte également celui-ci. Le collagène adhère sur l'endoprothèse, qui supporte le tissu jusqu'à ce qu'elle soit absorbée par lui.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| AT98903924T ATE286688T1 (de) | 1997-02-06 | 1998-02-05 | Gerät zur behandlung von harnwegs- und anderen körperstenosen |
| EP98903924A EP0900062B1 (fr) | 1997-02-06 | 1998-02-05 | Appareil pour le traitement des stenoses urinaires et autres stenoses corporelles |
| DE69828553T DE69828553T2 (de) | 1997-02-06 | 1998-02-05 | Gerät zur behandlung von harnwegs- und anderen körperstenosen |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/795,656 | 1997-02-06 | ||
| US08/795,656 US6338726B1 (en) | 1997-02-06 | 1997-02-06 | Treating urinary and other body strictures |
| CA002250603A CA2250603C (fr) | 1997-02-06 | 1998-10-16 | Traitement du conduit urinaire et d'autres structures corporelles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO1998034565A1 WO1998034565A1 (fr) | 1998-08-13 |
| WO1998034565B1 true WO1998034565B1 (fr) | 1998-10-08 |
Family
ID=31994817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1998/002190 WO1998034565A1 (fr) | 1997-02-06 | 1998-02-05 | Traitement des stenoses urinaires et autres stenoses corporelles |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6338726B1 (fr) |
| EP (1) | EP0900062B1 (fr) |
| CA (1) | CA2250603C (fr) |
| WO (1) | WO1998034565A1 (fr) |
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| US5921954A (en) * | 1996-07-10 | 1999-07-13 | Mohr, Jr.; Lawrence G. | Treating aneurysms by applying hardening/softening agents to hardenable/softenable substances |
-
1997
- 1997-02-06 US US08/795,656 patent/US6338726B1/en not_active Expired - Fee Related
-
1998
- 1998-02-05 WO PCT/US1998/002190 patent/WO1998034565A1/fr active IP Right Grant
- 1998-02-05 EP EP98903924A patent/EP0900062B1/fr not_active Expired - Lifetime
- 1998-10-16 CA CA002250603A patent/CA2250603C/fr not_active Expired - Fee Related
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