Fluid cooled and perfused tip for a catheter

A - Human Necessities – 61 – B

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

A61B 5/0402 (2006.01) A61B 18/14 (2006.01) A61M 25/00 (2006.01) A61M 25/14 (2006.01) A61B 5/042 (2006.01) A61B 17/00 (2006.01) A61B 18/00 (2006.01) A61F 2/30 (2006.01) A61M 1/00 (2006.01)

Patent

CA 2179711

The invention relates to an ablation catheter (20) which controls the temperature and reduces the coagulation of biological fluids on a tip (26) of a catheter (20); prevents the impedance rise of tissue in contact with the catheter tip (26), and maximizes the energy transfer to the tissue, thereby allowing an increase in the lesion size produced by the ablation. The ablation catheter includes a tip (26) for applying electrical energy to biological tissue. Passages (48) are positioned within the tip (26) in a variety of manners for directing a fluid flow through the tip (26) to the exterior surface of the tip (26) to control the temperature and form a protective fluid layer around the tip (26). Monitoring structure (47) is also positioned within the tip for measurement of the electrical potentials in a biological tissue. Ablation electrode structure (30) is also positioned within the tip (26) for application of ablative energy to the biological tissue. A flexible extended embodiment electrode (90) provides the capability to form deep, linear lesions along a portion of a heart wall during ablation for the treatment of particular arrhythmias.

L'invention se rapporte à un cathéter d'ablation (20) qui régule la température et réduit la coagulation de fluides biologiques sur un embout (26) de cathéter (20); celui-ci empêche l'augmentation de l'impédance des tissus en contact avec l'embout (26), et maximalise le transfert d'énergie vers les tissus, ce qui permet d'augmenter la dimension de la lésion formée par l'ablation. Le cathéter d'ablation comporte un embout (26) servant à appliquer une énergie électrique sur les tissus biologiques. Des passages (48) sont ménagés dans l'embout (26) sous différentes manières afin de diriger un écoulement de fluide traversant l'embout (26) jusqu'à sa surface extérieure afin de réguler la température et former une couche fluidique protectrice autour de celui-ci. Une structure de contrôle (47) est également ménagée dans l'embout afin de mesurer les potentiels électriques des tissus biologiques. Une structure d'électrode d'ablation (30) est aussi ménagée dans cet embout (26) afin d'appliquer une énergie d'ablation sur les tissus biologiques. Une électrode allongée, flexible (90), permet de former des lésions linéaires, profondes, le long d'une partie d'une paroi cardiaque lors de l'ablation afin de traiter des arythmies spécifiques.

LandOfFree

Say what you really think

Search LandOfFree.com for Canadian inventors and patents. Rate them and share your experience with other people.

Rating

Fluid cooled and perfused tip for a catheter does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fluid cooled and perfused tip for a catheter, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fluid cooled and perfused tip for a catheter will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFCA-PAI-O-1791947

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.