Abstract: A system for controlling displacement of an intervention device having an end for inserting in a patient body, including a base in a fixed position relative to the patient. A first portion has an arc member and is pivotally mounted on the base around a first axis (A1). A second portion includes a support member and a carrier member. The support member partially rotates around a second axis (A2). A third portion includes a holding member, and a sliding member mounted on the support member along a translation axis (AT). The holding member is arranged so that translation of the sliding member causes the intervention device to translate along a third axis (A3). The third axis (A3) is parallel to and offset from the translation axis (AT). When the carrier member is positioned halfway of the arc member, the first (A1), second (A2) and third (A3) axes are orthogonal.

Abstract: The invention relates to a device and a method to assist with the operation of an instrument by means of said device, the device and the method using leverage effects in order to calculate the data relative to any point of an instrument axis, instead of using low-accuracy sensors. Other improvements are also described that allow higher-quality usage performance for the operator, which reduces the risk of errors and simplifies the operations.

Abstract: The invention relates to a device and a method to assist with the operation of an instrument by means of said device, the device and the method using leverage effects in order to calculate the data relative to any point of an instrument axis, instead of using low-accuracy sensors. Other improvements are also described that allow higher-quality usage performance for the operator, which reduces the risk of errors and simplifies the operations.

Abstract: The invention relates to a system for controlling with respect to a body of a patient, displacement of an intervention device having an end intended to be inserted in the body of the patient through a point of penetration, comprising: A base (10) intended to be in a fixed position relative to the patient; A first portion (20) comprising an arc member (21), said first portion (20) being pivotally mounted on the base (10) around a first axis (A1), wherein said first axis (A1) is parallel to an arc plane defined by the arc member (21); A second portion (30) comprising a support member (32) and a carrier member (31), said support member (32) having a longitudinal axis and said carrier member (31) being slidably mounted on the arc member (21) for partially rotating around a second axis (A2), said second axis (A2) extending through a centre of curvature of the arc member perpendicularly to the arc plane, wherein the second axis (A2) and the first axis (A1) are perpendicular; A third portion (40) comprising a ho