A - Human Necessities – 61 – M
Patent
A - Human Necessities
61
M
A61M 25/10 (2006.01) A61F 2/06 (2006.01)
Patent
CA 2302770
The invention relates to a balloon catheter comprising a flexible tube (10) provided with a high pressure balloon (14) adapted to perform a vessel dilatation. A low pressure balloon (17) is further provided, which is connected to the high pressure balloon (14) and which can be widened with a lower pressure. This reduces the strain applied by the blood vessel at the ends of the high pressure balloon (14) or at the ends of a stent (20), whereby the danger of blood vessel dissection is also reduced.
L'invention concerne un cathéter à ballonnet comprenant un tube (10) sur lequel est prévu un ballonnet haute pression (14) permettant d'effectuer une dilatation d'un vaisseau. Il est en outre prévu un ballonnet basse pression (17) raccordé au ballonnet haute pression (14) et élargi avec une pression moins élevée. La contrainte exercée par le vaisseau sanguin au niveau des extrémités du ballonnet haute pression (14) ou d'un extenseur (20) est ainsi réduite, ce qui diminue les risques de dissection de la paroi du vaisseau.
Reul Helmut
Siess Thorsten
Voelker Wolfram
Gowling Lafleur Henderson Llp
Reul Helmut
Siess Thorsten
Voelker Wolfram
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