摘要:
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hydrofinished.
摘要:
A process for preparing high VI lubricating oil basestocks comprising hydrotreating, hydrodewaxing and optionally hydrofinishing. The hydrotreated feedstock is hydrodewaxed using a dewaxing catalyst that has been selectively activated by oxygenate treatment. The hydrodewaxed product may then be hydrofinished.
摘要:
A catalyst composition containing a medium pore molecular sieve having deposited thereon an active metal oxide and at least one hydrogenation metal selected from the Group VIII and Group VIB metals for use in hydrodewaxing lube oil boiling range feedstreams.
摘要:
A process for producing lube oil basestocks wherein a wax containing lube oil boiling range feedstream is converted into a basestock suitable for use in motor oil applications by contacting it with a hydrodewaxing catalyst containing a medium pore molecular sieve having deposited thereon an active metal oxide and at least one hydrogenation metal selected from the Group VIII and Group VIB metals.
摘要:
A multi-user medical robotic system for collaboration or training in minimally invasive surgical procedures includes first and second master input devices, a first slave robotic mechanism, and at least one processor configured to generate a first slave command for the first slave robotic mechanism by switchably using one or both of a first command indicative of manipulation of the first master input device by a first user and a second command indicative of manipulation of the second master input device by a second user. To facilitate the collaboration or training, both first and second users communicate with each other through an audio system and see the minimally invasive surgery site on first and second displays respectively viewable by the first and second users.
摘要:
A guide tube has an oblong cross-sectional shape. A first surgical instrument passes through one end of the oblong shape, and a second surgical instrument passes through the other end of the oblong shape. An imaging system is on the guide tube, in some aspects at the guide tube's distal end. In some aspects the guide tube and the instruments are telemanipulatively controlled.
摘要:
Two surgical instruments are inserted through a guide tube and exit via side exit ports of the guide tube. The side exit ports are on opposite sides of the guide tube. A stereoscopic image capture component is at the distal end of the guide tube. Both the surgical instruments and the guide tube may be flexible, and in some aspects the guide tube is retroflexive. The guide tube and the instruments are telemanipulatively controlled. The guide tube has an oblong-shaped cross section, and the instruments pass through opposite ends of the oblong shape, which allows the guide tube to have a reduced cross sectional area.
摘要:
A surgical instrument is provided, including: at least one articulatable arm having a distal end, a proximal end, and at least one joint region disposed between the distal and proximal ends; an optical fiber bend sensor provided in the at least one joint region of the at least one articulatable arm; a detection system coupled to the optical fiber bend sensor, said detection system comprising a light source and a light detector for detecting light reflected by or transmitted through the optical fiber bend sensor to determine a position of at least one joint region of the at least one articulatable arm based on the detected light reflected by or transmitted through the optical fiber bend sensor; and a control system comprising a servo controller for effectuating movement of the arm.
摘要:
The present invention provides an integrated high voltage capacitor, a method of manufacture therefore, and an integrated circuit chip including the same. The integrated high voltage capacitor, among other features, includes a first capacitor plate (120) located over or in a semiconductor substrate (105), and an insulator (130) located over the first capacitor plate (120), at least a portion of the insulator (130) comprising an interlevel dielectric layer (135, 138, 143, or 148). The integrated high voltage capacitor further includes capacitance uniformity structures (910) located at least partially within the insulator (130) and a second capacitor plate (160) located over the insulator (130).
摘要:
Robotic devices, systems, and methods for use in robotic surgery and other robotic applications, and/or medical instrument devices, systems, and methods includes both a reusable processor and a limited-use robotic tool or medical treatment probe. A memory the limited-use component includes machine readable code with data and/or programming instructions to be implemented by the processor. Programming of the processor can be updated by shipping of new data once downloaded by the processor from a component, subsequent components can take advantage of the updated processor without repeated downloading.