Abstract: A medical device for penetrating a bone structure including a processing unit having a transfer function that associates an electrical conductivity value S with a depth value d, wherein the processing unit is configured to detect a threshold selected from amongst an absolute threshold, a relative threshold and a critical gradient, and to emit a warning signal and/or control signal responsive to detection of the threshold.

Abstract: A medical system comprising: a robotic arm, a control unit configured to issue a control signal, a medical device intended to penetrate an anatomical structure, the medical device being configured to emit a warning signal which varies as a function of a variable electrical characteristic of the anatomical structure, said medical device comprising a body with first and second electrodes, an electric generator suitable for applying at least one measurement electric current between the first and second electrodes, and a processing device suitable for determining a measurement parameter related to the electrical characteristic, based on said at least one measurement electric current, and for emitting the warning signal corresponding to the measurement parameter, wherein the control unit is configured to issue the control signal as a function of the warning signal.

Abstract: The present invention concerns a device for controlling a robotic system for assisting the mobility of a user, said robotic system comprising at least one active mobility assistance element capable of assisting a given mobility action of the user, characterized in that the device comprises a detection system capable of detecting a compensatory movement of the user associated with the mobility action, said compensatory movement being a movement made by a user who is disabled, or able-bodied but locally and/or temporarily constrained, in order to perform at least part of the mobility action, and which at least partially substitutes the normal movement an unconstrained, able-bodied user would make in order to perform this mobility action, and a control system capable of controlling the at least one active element when the compensatory movement is detected.

Abstract: Systems, instruments, and methods are provided verifying that a robotic surgery is being performed in accordance with a surgical plan, wherein a surgical tool having a sensor outputs a data signal that enables the trajectory of the surgical tool to be displayed as an overlay on an image of an anatomical portion of a patient and a visual or audible signal that confirms the surgical tool is penetrating the anatomical portion in accordance with the surgical plan and/or that issues an alert indicating that the surgical tool is not being inserted into the anatomical portion according to the surgical plan.

Abstract: Systems, instruments, and methods are provided verifying that a robotic surgery is being performed in accordance with a surgical plan, wherein a surgical tool having a sensor outputs a data signal that enables the trajectory of the surgical tool to be displayed as an overlay on an image of an anatomical portion of a patient and a visual or audible signal that confirms the surgical tool is penetrating the anatomical portion in accordance with the surgical plan and/or that issues an alert indicating that the surgical tool is not being inserted into the anatomical portion according to the surgical plan.

Abstract: A medical system comprising: a robotic arm, a control unit configured to issue a control signal, a medical device intended to penetrate an anatomical structure, the medical device being configured to emit a warning signal which varies as a function of a variable electrical characteristic of the anatomical structure, said medical device comprising a body with first and second electrodes, an electric generator suitable for applying at least one measurement electric current between the first and second electrodes, and a processing device suitable for determining a measurement parameter related to the electrical characteristic, based on said at least one measurement electric current, and for emitting the warning signal corresponding to the measurement parameter, wherein the control unit is configured to issue the control signal as a function of the warning signal.

Abstract: The invention relates to an endoscopic instrument (1) having an elongate body with a distal end (4) designed to be introduced into the body of the patient so as to come into proximity with an internal organ, the distal end carrying a tool (7) for intervention on the internal organ. The endoscopic instrument has a fool (10) rigidly connected to the distal end and designed to bear on the internal organ, and also controllable means (13) for conferring movements on the tool, at least in directions transverse to a longitudinal axis (X) of the distal end of the endoscopic instrument, when the foot is bearing against the internal organ.

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 an assistive device for positioning a medical instrument (2) inserted into a natural duct (100) or an artificial duct of a patient relative to an internal organ (P) of a patient, wherein the device comprises a support (1) that is to be inserted at least in part into the body of the patient and supports the medical instrument, means for moving the support, wherein said movement means comprise an articulated arm (9) that includes a plurality of degrees of freedom for moving a proximal end (1a) of the support, means for acquiring images of the internal organ for positioning the medical instrument relative to the internal organ, wherein the image acquisition means comprise a probe (5) supported by the support such that the medical instrument and the probe are rigidly connected, and a control unit (10) for controlling the movement means, which is connected to the image acquisition means and comprises image analyzing means (11) for generating control commands for the articulated arm in orde

Abstract: A device for guiding a medical instrument (2) inserted into a natural duct (101) or an artificial duct of a patient in order to bring at least a distal end (1) of the instrument in proximity to an internal organ (100). The device includes an articulated arm (3) with a plurality of degrees of freedom, for moving a proximal end (4) of the instrument, and a controlled blocking mechanism (7) for blocking the degrees of freedom of the articulated arm. The blocking mechanism is designed in such a way that, for at least one of the degrees of freedom, a blockage imposed on the degree of freedom can be released when an outer stress exerted on the instrument (2) exceeds a predetermined threshold.

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: A device for assisting with the handling of an instrument or tool, the device comprising a jointed mechanical structure on a support, wherein an instrument or tool may be attached, motor drives configured to actuate the jointed mechanical structure, according to a number of degrees of freedom of less than that which the structure provides to the instrument or tool, and an automatic control, wherein the automatic control drives the motor drives in order to facilitate the meeting of a constraint on position and/or velocity parameters of the instrument or tool, which constraint the motor drives by themselves, independently of handling by an operator, cannot entirely meet.

Abstract: A miniaturized scanning system to generate movement of a flexible device positioned at a distal part of a medical tool. The miniaturized scanning system includes an inner shaft with a longitudinal axis, adapted to guide said flexible device along the longitudinal axis, an abutment comprising an external surface and adapted to maintain said device, and a pusher mechanism adapted to engage with said abutment. The miniaturized scanning system includes at least one end portion adapted to contact said external surface of the abutment at a contact point, wherein said end portion is configured to translate along said longitudinal axis of the inner shaft and wherein the translation of said end portion results in a bending of the device in a bending plane defined by the longitudinal axis of the inner shaft and said contact point.

Abstract: A method for determining an insertion trajectory of a tool for reaching a moving target object prior to its insertion into a tissular matrix. The method comprises acquiring images of the tissular matrix, constructing a three-dimensional representation of the tissular matrix, determining coordinates of the initial position of the target object and any obstacles, and determining at least one potential trajectory of the tool from the coordinates of any obstacles and the initial position of the target object. The method further comprises simulating insertion of the tool in the tissular matrix to determine displacement of the target object during insertion of the tool up to the initial position of the target object along a potential trajectory, determining a new position of the target object based on the determined displacement, and determining the insertion trajectory for the new position of the target object.

Abstract: A miniaturized scanning system to generate movement of a flexible device positioned at a distal part of a medical tool. The miniaturized scanning system includes an inner shaft with a longitudinal axis, adapted to guide said flexible device along the longitudinal axis, an abutment comprising an external surface and adapted to maintain said device, and a pusher mechanism adapted to engage with said abutment. The miniaturized scanning system includes at least one end portion adapted to contact said external surface of the abutment at a contact point, wherein said end portion is configured to translate along said longitudinal axis of the inner shaft and wherein the translation of said end portion results in a bending of the device in a bending plane defined by the longitudinal axis of the inner shaft and said contact point.

Abstract: A surgical instrument having an elongated arm and a distal end mounted with a pivot joint on the elongated arm. A drive shaft substantially coaxial with the elongated arm forms a universal joint facing the pivot joint. A distal tool is securely fastened on the drive shaft and rotatively mounted on and in the extension of the distal end of the elongated arm, such that the distal tool has two rotational degree of freedom, distinct and independent of each other, one being around an axis substantially perpendicular to the longitudinal axis of the elongated arm and the other being around an axis substantially collinear to an own axis of the distal tool. The elongated arm includes a plurality of linking elements mounted in series to form the pivot joint. The universal joint is a Cardan joint.

Abstract: The invention relates to an assistive device for positioning a medical instrument (2) inserted into a natural duct (100) or an artificial duct of a patient relative to an internal organ (P) of a patient, wherein the device comprises a support (1) that is to be inserted at least in part into the body of the patient and supports the medical instrument, means for moving the support, wherein said movement means comprise an articulated arm (9) that includes a plurality of degrees of freedom for moving a proximal end (1a) of the support, means for acquiring images of the internal organ for positioning the medical instrument relative to the internal organ, wherein the image acquisition means comprise a probe (5) supported by the support such that the medical instrument and the probe are rigidly connected, and a control unit (10) for controlling the movement means, which is connected to the image acquisition means and comprises image analyzing means (11) for generating control commands for the articulated arm in orde

Abstract: The invention relates to a device for guiding a medical instrument (2) inserted into a natural duel (101) or an artificial duct of a patient in order to bring at least a distal end (1) of the instrument in proximity to an internal organ (100), the device comprising an articulated arm (3) with a plurality of degrees of freedom, for moving a proximal end (4) of the instrument, and controlled blocking means (7) for blocking the degrees of freedom of the articulated arm. According to the invention, the blocking means are designed in such a way that, for at Mast one of the degrees of freedom, a blockage imposed on said degree of freedom can be enforced when an outer stress exerted on the instrument (2) exceeds a predetermined threshold.

Abstract: The invention relates to a surgical instrument (100; 200) comprising: an elongated arm (111; 207) according to a longitudinal axis and having a distal end (105; 204) mounted with a pivot joint on the elongated arm according to an axis substantially orthogonal to the longitudinal axis; a drive shaft (103; 3), substantially coaxial with the elongated arm, comprising means forming a universal joint (104; 206) facing the pivot joint; and, distal tool (9) securely fastened on the drive shaft and rotatively mounted on and in the extension of the distal end of the elongated arm, such that the distal tool has two rotational degrees of freedom, distinct and independent of each other, one being around an axis substantially perpendicular to the longitudinal axis of the elongated arm and the other being around an axis substantially collinear to an own axis of the distal tool, characterized in that the means forming a universal joint comprise a flexible drive sleeve (104; 206).

Abstract: The invention relates to an endoscopic instrument (1) having an elongate body with a distal end (4) designed to be introduced into the body of the patient so as to come into proximity with an internal organ, the distal end carrying a tool (7) for intervention on the internal organ. The endoscopic instrument has a fool (10) rigidly connected to the distal end and designed to bear on the internal organ, and also controllable means (13) for conferring movements on the tool, at least in directions transverse to a longitudinal axis (X) of the distal end of the endoscopic instrument, when the foot is bearing against the internal organ.