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41results about How to "Reduce intervention time" patented technology

Robotic surgical system for performing minimally invasive medical procedures

A robotic surgical system for performing minimally invasive medical procedures includes a robot manipulator for robotically assisted handling of a laparoscopic instrument having a manipulator arm, a manipulator wrist supported by the arm and an effector unit supported by the wrist, wherein the manipulator arm provides three degrees-of-freedom by means of a first joint, a second joint and a third joint, each having an associated actuator, for robotically positioning the wrist, the wrist providing two degrees-of-freedom by means of a fourth joint and a fifth revolute joint having an associated actuator, for robotically setting the yaw angle and the pitch angle of the effector unit respectively; the effector unit includes a laparoscopic instrument actuator and provides one degree-of-freedom by means of a revolute sixth joint having an associated actuator for robotically setting the roll angle of the LIA which includes a seat, with an associated coupling mechanism for mounting an instrument stem adaptor to the effector unit, and an actuation mechanism cooperating with the instrument stem adaptor for actuating a laparoscopic instrument connected to the adaptor. The effector unit is configured such that the rotation axis of the revolute sixth joint coincides with the longitudinal axis of a laparoscopic instrument mounted to the effector unit and the effector unit includes a sensor assembly having a 6 degree-of-freedom (DOF) force / torque sensor and a 6 DOF accelerometer. The sensor assembly connects the LIA to the sixth revolute joint.
Owner:EURO ATOMIC ENERGY COMMUNITY (EURATOM)

Robotic surgical system for performing minimally invasive medical procedures

ActiveUS20090024142A1Eliminates insertion and extraction movementShorten exchange timeProgramme-controlled manipulatorDiagnosticsRolling angleSacroiliac joint
A robotic surgical system for performing minimally invasive medical procedures includes a robot manipulator for robotically assisted handling of a laparoscopic instrument having a manipulator arm, a manipulator wrist supported by the arm and an effector unit supported by the wrist, wherein the manipulator arm provides three degrees-of-freedom by means of a first joint, a second joint and a third joint, each having an associated actuator, for robotically positioning the wrist, the wrist providing two degrees-of-freedom by means of a fourth joint and a fifth revolute joint having an associated actuator, for robotically setting the yaw angle and the pitch angle of the effector unit respectively; the effector unit includes a laparoscopic instrument actuator and provides one degree-of-freedom by means of a revolute sixth joint having an associated actuator for robotically setting the roll angle of the LIAs which includes a seat with an associated coupling mechanism for mounting an instrument stem adaptor to the effector unit, and an actuation mechanisms cooperating with the instrument stem adaptor for actuating a laparoscopic instrument connected to the adaptor. The effector unit is configured such that the rotation axis of the revolute sixth joint coincides with the longitudinal axis of a laparoscopic instrument mounted to the effector unit and the effector unit includes a sensor assembly having a 6 degree-of-freedom (DOF) force/torque sensor and a 6 DOF accelerometer. The sensor assembly connects the LIA to the sixth revolute joint.
Owner:EURATOM

Automatic equipment for welding U-shaped hoop and flat head pin and welding method thereof

The invention discloses automatic equipment for welding a U-shaped hoop and a flat head pin and a welding method of the automatic equipment. The equipment comprises a feeding device, a discharging device and a four-station rotary workbench; the feeding device comprises a U-shaped hoop feeding device and a flat head pin feeding device, and the U-shaped hoop feeding device and the flat head pin feeding device are used for sorting and conveying U-shaped hoops and flat head pins respectively; the discharging device is used for collecting the welded U-shaped hoop and the flat head pin; and the U-shaped hoop feeding device, the flat head pin feeding device, the discharging device and a welding machine are arranged on the four sides of the four-station rotary workbench respectively to form four stations, and the four-station rotary workbench is used for achieving conversion of the four stations. According to the automatic equipment, automatic feeding, assembling, welding and discharging of the U-shaped hoop and the flat head pin within a short time are realized, the production capacity of the whole assembling production line is greatly improved, the labor cost is reduced, and the automation degree and the intelligent degree are obviously improved.
Owner:JIANGSU UNIV OF SCI & TECH

Scheduling method for cross-ring one-way circulation handling system

The invention relates to a scheduling method for a cross-ring one-way circulation handling system, which belongs to the technical field of scheduling of a flexible robot manufacturing unit. The scheduling method for the cross-ring one-way circulation handling system includes the following steps: after a small vehicle loads goods at a loading point, the small vehicle runs on a cross ring in a firstcircle according to a sequential scheduling algorithm; distributing Ji to a station point Sm(i); starting from a second circle, the goods are loaded by the small vehicle and sent to a treatment station point Su+1 for treating, when a lth (I>=2) circle is cycled, a first small vehicle V1 is treated on a treatment station Su; and subsequent small vehicles loaded with the goods are sequentially arranged according to the sequential scheduling algorithm, and are arranged to a treatment station Sw for treating. Compared with the prior art, in the case of same treatment time, an exchange order scheduling method of the scheduling method for the cross-ring one-way circulation handling system of the invention, is obviously superior to a random scheduling algorithm and the sequential scheduling algorithm, carrying capacity per unit time is increased, interference time of the entire handling system is reduced, and a purpose of improving the system efficiency is achieved.
Owner:SHANGHAI OCEAN UNIV
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