5 results about "Micro manipulator" patented technology

A micromanipulator (1) for manipulating a laser beam (L in , L scan ) of a laser surgery device, comprising a scanner (10) for generating at least one scan figure (60) and at least one control element for controlling the scanner (10), wherein the control element comprises a rotating element (51), wherein a rotation (D d) of the rotating element (51) causes a rotation (D s) of the scan figure (60), which depends on the size and / or speed of the rotation (D d) of the rotating element (51), wherein the rotating element (51) can rotate freely without limiting the angle of rotation and the scan figure (60) follows this free rotation without restrictions, and a laser surgery device with said micromanipulator (1).

To control a rotation operation of an end effector smoothly and reliably.SOLUTION: A parallel link mechanism causes one end of a link 13 to make a linear movement by a plurality of linear actuators 14 supported by a base for each link, and moves an end effector 12 connected to the other end of each ink 13. The parallel link mechanism includes a rotation support part 17 provided between the end effector 12 and the parallel link mechanism and supporting the end effector 12 rotatably around a predetermined rotation axis, and a hydraulic drive mechanism for generating rotation force around the rotation axis for the end effector 12. The movement to rotate the end effector 12 is generated by giving liquid pressure variation of working fluid to the hydraulic drive mechanism from outside.SELECTED DRAWING: Figure 5

The invention relates to the technical field of hydraulic fracturing, and discloses a multi-station remote pressure relief device for petroleum fracturing operation and a control method.The multi-station remote pressure relief device for the petroleum fracturing operation comprises a multi-channel valve body, a pressure relief valve, a pressure relief valve and a pressure relief valve body, the plurality of feed ports, the discharge port, the pressure relief hole and the mounting hole are formed in the multi-channel valve body; the one-way conducting mechanism is detachably connected to the mounting hole of the multi-channel valve body; the pressure relief mechanism comprises a sliding type plugging assembly and a linear moving assembly; the adjusting mechanism is used for driving the linear moving assembly to move in the central axis direction of the pressure relief hole; the micro manipulator is matched with the lever type rotating adjusting mechanism, when it is detected that the pressure intensity exceeds a threshold value, the pressure relief mechanism can be remotely adjusted and subjected to pressure relief, the pressure relief process is stable, and the stability of the whole valve body can be effectively guaranteed.

The invention discloses a method for improving rat cerebral apoplexy stable modeling through an improved suture insertion operation, which comprises the following steps of: A, performing preoperative preparation, anesthetizing a rat, fixing the rat on an operation console, connecting a multi-channel physiological sensor array of a physiological parameter real-time monitoring and regulating module, the closed-loop feedback control unit is started to pre-regulate and control the body temperature, the blood pressure and the oxyhemoglobin saturation of the rat; and B, the neck blood vessel of the rat is exposed, and the standardized suture assembly is aseptically connected to a suture micro manipulator and a suture clamp of a feeding mechanism. The invention relates to the technical field of biomedicine. According to the method for improving rat cerebral apoplexy stable modeling through the improved suture insertion operation, real-time visual guidance is provided through a high-frequency miniature ultrasonic imaging module, and a blind insertion operation mode of a traditional suture insertion operation is thoroughly changed by combining precise control of a suture miniature manipulator and a feeding mechanism; this enables an operator to accurately determine the position of the suture tip in the blood vessel.

The application discloses a kind of multi-micro manipulator device parallel collaborative work scheduling and path planning method and system, comprising: according to system state space model, the task information of the task to be processed is obtained;According to the spatial distribution characteristics of target task in task information and task demand, the target task is grouped, and a plurality of task subgroups are obtained;Several task subgroups are assigned to corresponding micro manipulator device, and initial task allocation scheme is generated;In the process that micro manipulator device executes task, its execution state is monitored in real time, and according to the deviation of actual execution progress and expected planning, the remaining tasks are dynamically rescheduled, and updated task scheduling sequence is generated;According to the target position of each micro manipulator device, kinematic constraint and collision constraint, the optimal path without collision is planned for each micro manipulator device, and position calibration is carried out in the process of path execution.The method proposed in the application significantly improves the efficiency of multi-device parallel collaborative work.