Spring based multi-purpose medical instrument

Details Spring based multi-purpose medical instrument Spring based multi-purpose medical instrument

A - Human Necessities

61

B

A61B 17/00 (2006.01) A61B 1/00 (2006.01) A61B 1/018 (2006.01) A61B 17/28 (2006.01) A61B 17/30 (2006.01) A61B 17/32 (2006.01)

Patent

CA 2252598

A spring based multi-purpose medical instrument (11) having an internal guiding structure (31) and a slotted end cap (40). The instrument being deployable through a catheter or endoscope and further passable within the human anatomy. The slotted end cap (40) and internal guiding structure (31) providing for precise controlled movement of the spring jaws (21) through a remote actuator (25). Further, the slotted end cap (40) preventing the loss of the spring jaws (21) within the internal body cavity upon separation from the actuator (25). In another embodiment of the spring based multi-purpose instrument (311) the jaws (21) being rotatable for cutting and fragmenting materials.

L'invention se rapporte à un instrument médical polyvalent (11) à ressort, présentant une structure de guidage interne (31) et un capuchon final (40) à fente. Cet instrument peut être déployé dans un cathéter ou un endoscope pour pénétrer à l'intérieur d'un corps humain. Le capuchon final (40) à fente et la structure de guidage interne (31) permettent de commander avec précision les mâchoires (21) à ressort par l'intermédiaire d'un actionneur (25) placé à distance. En outre, le capuchon final (40) à fente empêche que les mâchoires (21) à ressort ne restent prises à l'intérieur du corps humain lorsque l'actionneur (25) en est séparé. Dans un autre mode de réalisation dudit instrument polyvalent (311) à ressort, les mâchoires (21) sont rotatives de manière à pouvoir couper et fragmenter des matériaux.

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