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1161results about How to "Shorten the counting process" patented technology

Cardiac tissue ablation instrument with flexible wrist

InactiveUS20060199999A1Promotes convenient, simplified manufacturing and assembly processesShorten the counting processEndoscopesSurgical manipulatorsWristInstrumentation
An articulate minimally invasive surgical instrument with a flexible wrist to facilitate the safe placement and provide visual verification of the ablation catheter or other devices in Cardiac Tissue Ablation (CTA) treatments is described. In one embodiment, the instrument is an endoscope which has an elongate shaft, a flexible wrist at the working end of the shaft, and a vision scope lens at the tip of the flexible wrist. The flexible wrist has at least one degree of freedom to provide the desired articulation. It is actuated and controlled by a drive mechanism located in the housing at the distal end of the shaft. The articulation of the endoscope allows images of hard-to-see places to be taken for use in assisting the placement of the ablation catheter on the desired cardiac tissue. The endoscope may further include couplings to releasably attach an ablation device / catheter or a catheter guide to the endoscope thereby further utilizing the endoscope articulation to facilitate placement of the ablation catheter on hard-to-reach cardiac tissues. In another embodiment, the articulate instrument is a grasper or any other instrument with a flexible wrist and a built-in lumen to allow an endoscope to insert and be guided to the distal end of the instrument.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Cardiac Tissue Ablation Instrument with Flexible Wrist

InactiveUS20110028991A1Promotes convenient, simplified manufacturing and assembly processesShorten the counting processEndoscopesSurgical manipulatorsInstrumentationWrist
An articulate minimally invasive surgical instrument with a flexible wrist to facilitate the safe placement and provide visual verification of the ablation catheter or other devices in Cardiac Tissue Ablation (CTA) treatments is described. In one embodiment, the instrument is an endoscope which has an elongate shaft, a flexible wrist at the working end of the shaft, and a vision scope lens at the tip of the flexible wrist. The flexible wrist has at least one degree of freedom to provide the desired articulation. It is actuated and controlled by a drive mechanism located in the housing at the distal end of the shaft. The articulation of the endoscope allows images of hard-to-see places to be taken for use in assisting the placement of the ablation catheter on the desired cardiac tissue. The endoscope may further include couplings to releasably attach an ablation device / catheter or a catheter guide to the endoscope thereby further utilizing the endoscope articulation to facilitate placement of the ablation catheter on hard-to-reach cardiac tissues. In another embodiment, the articulate instrument is a grasper or any other instrument with a flexible wrist and a built-in lumen to allow an endoscope to insert and be guided to the distal end of the instrument.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Surgical tool having positively positionable tendon-actuated multi-disk wrist joint

ActiveUS7736356B2Promotes convenient, simplified manufacturing and assembly processesShorten the counting processEndoscopesSurgical manipulatorsEngineeringActuator
The present invention is directed to a tool having a wrist mechanism that provides pitch and yaw rotation in such a way that the tool has no singularity in roll, pitch, and yaw. A positively positionable multi-disk wrist mechanism includes a plurality of disks or vertebrae stacked in series. Each vertebra is configured to rotate in pitch or in yaw with respect to each neighboring vertebra. Actuation cables are used to manipulate and control movement of the vertebrae. In specific embodiments, some of the cables are distal cables that extend from a proximal vertebra through one or more intermediate vertebrae to a distal vertebra, while the remaining cables are medial cables that extend from the proximal vertebra to one or more of the intermediate vertebrae. The cables are actuated by a pivoted plate cable actuator mechanism. In specific embodiments, the actuator mechanism includes a plurality of small radius holes or grooves for receiving the medial cables and a plurality of large radius holes or grooves for receiving the distal cables. The holes or grooves restrain the medial cables to a small radius of motion and the distal cables to a large radius of motion, so that the medial cables to the medial vertebra move only a fraction of the amount as the distal cables to the distal vertebra, so as to achieve precise control and manipulation of the vertebrae.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Surgical tool having positively positionable tendon-actuated multi-disk wrist joint

ActiveUS20050090809A1Promotes convenient, simplified manufacturing and assembly processesShorten the counting processEndoscopesSurgical manipulatorsEngineeringActuator
The present invention is directed to a tool having a wrist mechanism that provides pitch and yaw rotation in such a way that the tool has no singularity in roll, pitch, and yaw. A positively positionable multi-disk wrist mechanism includes a plurality of disks or vertebrae stacked in series. Each vertebra is configured to rotate in pitch or in yaw with respect to each neighboring vertebra. Actuation cables are used to manipulate and control movement of the vertebrae. In specific embodiments, some of the cables are distal cables that extend from a proximal vertebra through one or more intermediate vertebrae to a distal vertebra, while the remaining cables are medial cables that extend from the proximal vertebra to one or more of the intermediate vertebrae. The cables are actuated by a pivoted plate cable actuator mechanism. In specific embodiments, the actuator mechanism includes a plurality of small radius holes or grooves for receiving the medial cables and a plurality of large radius holes or grooves for receiving the distal cables. The holes or grooves restrain the medial cables to a small radius of motion and the distal cables to a large radius of motion, so that the medial cables to the medial vertebra move only a fraction of the amount as the distal cables to the distal vertebra, so as to achieve precise control and manipulation of the vertebrae.
Owner:INTUITIVE SURGICAL OPERATIONS INC

Lancet Cartridges and Lancing Devices

A lancet cartridge has a U-shaped support with a pair of anchor portions, a base portion, and a pair of deformable leg portions connecting the anchor portions to the base portion. The pair of deformable leg portions change shape from an initial shape to an extended shape in response to an external applied force and recover to a retracted shape upon removal of the force. The lancet cartridge also has a lancet having a tip end, an opposing base end, and an axis extending between the tip end and the base end. A portion of the lancet is disposed between the pair of deformable leg portions of the U-shaped support. The lancet is movable between a starting position, an extended puncturing position, and an ending position along the axis of the lancet in a path defined by the U-shaped support. When the lancet is in the starting position, the tip end of the lancet is disposed at least partially through the base portion of the U-shaped support, and the U-shaped support is in the initial shape. When the lancet is in the extended puncturing position, the tip end of the lancet is extended through the base of the U-shaped support, and the U-shaped support is in the extended shape. When the U-shaped support recovers to its retracted shape upon removal of the force, the lancet is retracted to the end position.
Owner:AGAMATRIX INC
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