Self-inflating intragastric volume-occupying device

Details Self-inflating intragastric volume-occupying device Self-inflating intragastric volume-occupying device

A - Human Necessities

61

F

A61F 2/02 (2006.01) A61F 5/00 (2006.01) A61M 29/02 (2006.01)

Patent

CA 2519518

A self-inflating, intragastric balloon device is activated by addition of an activating liquid into an acid or water soluble vessel located within the balloon. After an approximately pre-determined time period post-activation, the activating liquid breaches the vessel wall and causes contact between an acid in liquid form and an emissive substance within the balloon, causing it to inflate. The device is conveniently provided to medical personnel as part of a kit that further contains a syringe and the activating liquid. The device also can have acid or pepsin degradable portions that cause it to deflate after residing in the stomach for a prolonged period of time during which it imparts a feeling of satiety in the patient.

La présente invention concerne un dispositif de ballon intragastrique auto-gonflable qui est activé par addition d'un liquide d'activation dans une cuve soluble d'acide ou d'eau située à l'intérieur de ce ballon. Après une durée approximativement prédéterminée de post-activation, le liquide d'activation brise la paroi de la cuve et entraîne la mise en contact d'un acide sous forme liquide avec une substance d'émission à l'intérieur du ballon, ce qui gonfle ce dernier. Ce dispositif est fournit sans inconvénient au personnel médical sous forme d'une pièce de kit contenant aussi une seringue et le liquide d'activation. Ce dispositif peut posséder aussi des parties dégradable d'acide ou de pepsine qui entraîne le dégonflement du ballon présent dans l'estomac après une durée prolongées durant laquelle il procure une sensation de satiété au patient.

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