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882results about How to "Reduce support" patented technology

Repairing system provided with anchoring device and used for preventing valve regurgitation

The invention relates to a repairing system provided with an anchoring device and used for preventing valve regurgitation. The system comprises a prosthesis preventing valve regurgitation and an anchoring part releasing device, wherein the prosthesis preventing valve regurgitation comprises a fixing unit, a connecting part and a close-assisting part, the fixing unit comprises a fixing part and an anchoring part, the connecting part is flexible, and the fixing part is fixed through the anchoring part, an anti-disengagement end is arranged at the near end of the anchoring part; the anchoring part releasing device comprises a delivery pipe and a push rod and is detachably connected with the fixing unit, the far end of the anchoring part releasing device is in a preset shape to enable the far end of the delivery pipe to be bent integrally or partially, a rigid section is arranged at the farthest end of the delivery pipe, the anchoring part is pre-arranged in the far end of the delivery pipe, the push rod is placed in the delivery pipe and located at the near end of the anchoring part, the anchoring part can be made to move towards the far end of the delivery pipe by pushing the push rod, and the far end of the anchoring part can recover to the preset shape after being pushed out of the delivery pipe.
Owner:NINGBO JENSCARE BIOTECHNOLOGY CO LTD

Apparatus and methods for Z-axis control and collision detection and recovery for waterjet cutting systems

This invention relates to apparatus and methods for z-axis control and collision detection and recovery for waterjet and abrasive-jet cutting systems. In one embodiment, an apparatus includes a linear rail, a slide member coupleable to a cutting head and slideably coupled to the linear rail, at least one actuator having a first end coupled to the slide member and a second end fixed with respect to the linear rail, a position sensor, and a controller. The actuator provides an adjustable support force that supports the weight of the cutting head, allowing the cutting head to be controllably positioned at a desired height above the workpiece. The actuator may include a pneumatic cylinder, or alternately, a linear motor. In another aspect, an apparatus includes a first mount member coupleable to a controllably positionable mounting surface of the waterjet cutting system, a second mount member coupleable to the cutting head and disengageably coupled to the first mount member, and a sensing circuit having a plurality of first conductive elements disposed on the first mount member and a plurality of second conductive elements disposed on the second mount member. In the event of a collision between the cutting head and an obstruction, the second mount member disengages from the first mount member to prevent breakage of the cutting head. Following the collision, the second mount member is quickly and easily re-engaged with the first mount member without time-consuming re-calibration. In one embodiment, re-engagement of the second end first mount members is automatically performed by a biasing member.
Owner:FLOW INT

Upper limb hemiplegia rehabilitation robot device with adjustable training plan

The invention relates to a robot device provided with an adjustable training plane for hemiplegic rehabilitation of an upper limb, and belongs to the technical field of medical rehabilitation appliance. In order to meet space training requirements provided by a medical robot in the hemiplegic rehabilitation training, the invention provides the rehabilitation robot device provided with the training plane, which comprises a seat, the training plane, an adjusting device for the training plane, a mechanical arm arranged on the training plane, a wrist fixing bracket and an elbow bracket. The adjusting device for the training plane can adjust the height of the training plane relative to the ground and the included angle between the training plane and the horizontal plane, so as to adapt to the requirements of different patients to finish a plurality of rehabilitation training actions in a plurality of planes. The robot device has the advantages that the robot device has a simple structure, can meet the requirements of the patient on large active and passive training on various inclined planes through adjusting the pose of a working face, and can do special training for an affected joint and a corresponding muscle group through target-oriented adjustment of the inclined planes, so as to achieve better rehabilitation effect.
Owner:TSINGHUA UNIV
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