Magnetic linear actuator for deployable catheter tools

Details Magnetic linear actuator for deployable catheter tools Magnetic linear actuator for deployable catheter tools

A - Human Necessities

61

B

A61B 17/28 (2006.01) A61M 25/00 (2006.01)

Patent

CA 2688330

Using the linear forces that are provided by an electromagnetic solenoid applied near the distal end of a medical catheter (26), various surgical instruments can be actuated or deployed for use in interventional medicine. The linear actuator (101) uses the principles of magnetic repulsion and attraction as a means for moving a bobbin (13) that can be attached to various types of moving components that translate linear movements into the actuation of a tool that is attached to the linear actuator. Using independent solenoid coils (14), movement modality is increased from two possible positions to three.

L'invention concerne l'utilisation des forces linéaires qui sont produites par un solénoïde électromagnétique appliqué près de l'extrémité distale d'un cathéter médical (26), permettant d'actionner ou de déployer divers instruments chirurgicaux en vue de leur utilisation dans les interventions médicales. L'actionneur linéaire (101) utilise les principes de répulsion et d'attraction magnétiques comme moyen pour déplacer une bobine (13) qui peut être fixée à divers types de composants mobiles qui transmettent des mouvements linéaires lors de l'actionnement d'un outil lequel est fixé à l'actionneur linéaire. L'utilisation de bobines solénoïdes (14) indépendante permet d'accroître la modalité de mouvement, qui passe de deux positions possibles à trois.

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