Access needle pressure sensor device and method of use

A - Human Necessities – 61 – B

Patent

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Details

A61B 5/03 (2006.01) A61B 5/0215 (2006.01) A61B 17/34 (2006.01) A61M 25/01 (2006.01)

Patent

CA 2680639

A tool and method of positioning and delivering medical devices and therapeutics within the pericardial space, as well as other body part or space. A needle is inserted into the chest through a sub-xiphoid puncture, and the pressure within the needle is monitored manometrically or otherwise sensed as the needle is advanced towards the pericardial space. By reading the pressure within the needle while it is advanced, the clinician is able to know that he or she is avoiding insertion of it into organs or spaces not intended to be the target location. In addition the retractable sharp edge allows the operator to access the space and cut tissue but do so safely by retracting the sharp edge.

L'invention concerne un instrument et un procédé permettant de positionner et d'administrer des dispositifs médicaux et des substances thérapeutiques à l'intérieur d'un espace péricardique, ou d'un autre espace/partie corporelle. Une aiguille est insérée dans la poitrine par une poncture sous-xiphoïdienne, et la pression à l'intérieur de l'aiguille est surveillée de manière manométrique ou est détectée d'une autre manière, lorsque l'aiguille s'avance vers l'espace péricardique. La lecture de la pression à l'intérieur de l'aiguille, pendant son avancée, permet au médecin de pouvoir éviter d'insérer l'aiguille dans des organes ou dans des espaces non ciblés. En outre, le bord coupant rétractable permet à l'utilisateur d'accéder à l'espace ciblé et de couper le tissu en toute sécurité en rétractant le bord coupant.

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