Vascular clamp for ceasarian section

A - Human Necessities – 61 – B

Patent

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A61B 17/08 (2006.01)

Patent

CA 2515021

The invention provides devices, systems and methods for clamping arteries which are useful in reducing or abolishing blood flow in an artery, and may be used to control hemorrhage flowing a caesarian delivery. A clamping device embodying features of the invention includes a pair of clamping members with opposed pressure-applying members having facing pressure-applying surfaces, at least one of which is a yieldable pressure-applying surface. The yieldable pressure-applying surface is preferably resilient. The clamping members are configured to adjust the distance between pressure-applying surfaces, and a blood flow sensor is disposed on at least one of the pressure-applying members to aid in locating the target artery and also to monitor blood flow through the artery. The clamping device is particularly suitable for occluding uterine arteries by compressing the broad ligament which contains the uterine artery and which is connected to the patient~s uterus with the arterial clamp.

L'invention concerne des dispositifs, systèmes et procédés de clampage d'artères servant à réduire ou interrompre l'écoulement sanguin dans une artère et pouvant être utilisés pour arrêter une hémorragie à la suite d'un accouchement par césarienne. Un mode de réalisation d'un dispositif de clampage selon l'invention comprend une paire d'éléments de clampage pourvus d'éléments d'application de pression opposés présentant des surfaces d'application de pression se faisant face, au moins une de ces surfaces étant déformable, et de préférence élastique. Les éléments de clampage permettent de régler la distance entre les surfaces d'application de pression, un capteur d'écoulement sanguin étant disposé sur au moins un des éléments d'application de pression pour faciliter la localisation de l'artère cible et contrôler également l'écoulement sanguin à travers l'artère. Ce dispositif de clampage est particulièrement adapté pour occlure des artères utérines par compression du ligament large, qui contient l'artère utérine et qui est relié à l'utérus de la patiente, au moyen du clamp artériel.

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