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3510 results about "Hinge point" patented technology

Sensor straightened end effector during removal through trocar

In various forms, a sensor-straightened end effector is disclosed. The sensor-straightened end effector may comprise an end effector coupled to a shaft at an articulation point. The end effector may be articulable at an angle with respect to the shaft. A sensor may be disposed on the sensor-straightened end effector, such as on the shaft or on the end effector. The sensor is configured to detect a gross proximal movement. When detecting a gross proximal movement, the sensor may generate a signal to control a motor to begin a straightening process to straighten the end effector with respect to the shaft.
Owner:CILAG GMBH INTERNATIONAL

Apparatus and methods for removing vertebral bone and disc tissue

Tissue removal probes comprise an elongated member, a drive shaft rotatably disposed within the member, and a rotatably tissue removal element mounted to the distal end of the drive shaft. One tissue removal element comprises a plurality of tissue-cutting filaments affixed at proximal and distal ends of the tissue removal element. The cutting filaments may have optional hinge points that allow the distal end of the tissue removal element to be inverted, thereby transforming the tissue removal element from a tissue-cutting device to a tissue-grasping device. Another tissue removal element may have a blunted tip to prevent distal tissue trauma and an irrigation port to provide irrigation fluid to the removed tissue and / or tissue removal element. Another tissue removal element has a proximal and distal spiral grooves that are oppositely pitched, so that removed tissue can be collected in the middle of the tissue removal element. Another tissue removal element has independent counter-rotating tissue removal elements to maintain stability during a bone cutting procedure. Still another tissue removal element takes the form of a drill bit with fluted cutting grooves. Yet another tissue removal element has cascading tissue-cutting notches that can be reciprocatably moved to remove tissue within a hole.
Owner:BOSTON SCI SCIMED INC

Nesting twisting hinge points in a bifurcated petal geometry

A bifurcated stent that uses turning segments to reduce the strain at regions which bend at extreme angles. The turning segments can be placed on side branch petals or on connectors connecting the petals to the stent body. Combining the turning segments with connectors of different length and tethers provides for a stent with high flexibility that can accommodate various shaped body vessels. This design allows the bifurcation branch to extend easily, to a useful distance, and to be deployed along oblique angles. Best of all, this design avoids the problems of angularly strained side branch.
Owner:BOSTON SCI SCIMED INC

Automatic gait correcting device in lower limb rehabilitation

InactiveCN101204347ADetect and evaluate training effectsAchieve joint movementChiropractic devicesThighEngineering
The invention relates to an automatic gait appliance for the rehabilitation of lower extremity, which comprises an upper leg component and a lower leg component. Two ends of an U-shaped shelf is hinged on the upper leg component and the upper leg component is hinged on the lower leg component; the U-shaped shelf and two upper leg components are hinged on two ends of electrical linear driver, and an encoder is arranged on the hinge point; the upper leg component and the lower leg component are hinged on two ends of the other electrical linear driver, and the encoder is arranged on the hinged point. In the practice period, the patient wears the lower extremity exoskeleton gait appliance to guide the movement of the leg of the patient. The invention has the advantages that the angle joint and the size of the moment are real-timely measured by the sensor; the practice efficiency of the patient is measured and evaluated easily; the best rehabilitation plan is drew up for improving the efficiency of the rehabilitation.
Owner:SHANGHAI UNIV

Coupled four-freedom-degree parallel connection vibration isolation platform

A coupled four-freedom-degree parallel connection vibration isolation platform mainly comprises an upper platform, a lower platform, four main part branches and a middle constraint branch, wherein the four main part branches are identical in structure and used for connecting the upper platform and the lower platform. The tails of actuators of the main part branches are connected with the lower platform through universal joints, telescopic rods of the actuators are connected with the upper platform through ball joints, one end of a lower connecting rod in the middle constraint branch is connected with the lower platform through a universal joint, the other end of the lower connecting rod is connected with an upper connecting rod in a bell socket mode to form a sliding pair, namely the upper connecting rod can expand and retract in the lower connecting rod, the upper connecting rod of the sliding pair is sleeved with a spring, the other end of the upper connecting rod is connected with the upper platform through a rotating pair, and the axis of the rotating pair is parallel to one axis of the universal joint in the middle constraint branch. Lower hinge points of the four main part branches are symmetrically arranged in a square shape, upper hinge points are arranged in a trapezoid shape, and the trapezoid is symmetrical about the axis of a rotating pair of the middle constraint branch. The coupled four-freedom-degree parallel connection vibration isolation platform is simple in structure, large in bearing capacity and good in dynamic response characteristic.
Owner:YANSHAN UNIV

Claw beam lifting mechanism for forging manipulator

The invention discloses a claw beam lifting mechanism for a forging manipulator, applied to forging industry. The claw beam lifting mechanism mainly comprises a front lifting part, a rear lifting part, a synchronous connector rod, a lifting cylinder, a pitching cylinder and a buffering part, a front fixing shaft in the front lifting part, a rear fixing shaft in the rear lifting part and the lower end of the lifting cylinder are respectively connected with a large machine frame through hinges, the synchronous connecting rod is arranged overhead and always moves in a range above a connecting line of a front fixing hinge point and a rear fixing hinge point of a claw beam lifting and pitching mechanism and the large machine frame, front ends of two buffering cylinders are respectively connected with tow front lifting connecting rods through hinges, the rear ends of the two buffering cylinders are respectively articulated with two ends of a compensating beam, and the middle part of the compensating beam is connected with the middle part of the large machine frame by a hinge through a beam fixing shaft. The claw beam lifting mechanism has novel and scientific design concept, reasonable stress application, high movement precision, simple structure, low manufacturing cost and is convenient to install, adjust and maintain. The invention not only reduces the manufacturing cost of the lifting mechanism under the condition of ensuring the movement precision, but also thoroughly solves the problems that the front fixing shaft and a shaft sleeve matched with the front fixing shaft are worn easily and a side plate of a machine needs to be thickened specifically.
Owner:SHENYANG HEAVY MACHINERY GROUP

Fold Flat Seating

A folding seat for a vehicle includes a seat base fixed to an intermediate bracket, a seat back having a lower end and a support bracket fixed to the vehicle. An intermediate bracket has a first hinge point where the seat back lower end is hingedly attached to the intermediate bracket. The intermediate bracket has a second hinge point where the intermediate bracket is hingedly attached to the support bracket, and which is spatially removed from the first hinge point. Upon folding of the seat base into a vertical position, the intermediate bracket rotates on the second hinge point, which remains stationary and the first hinge point rotates upwardly and rearwardly around the second hinge point, so that the first hinge point and the lower seat back move rearwardly as the seat back and the seat base are folded into vertical orientation close to the rear vehicle wall.
Owner:SCHUKRA OF NORTH AMERICA
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