摘要:
A plurality of individual medical devices is created that define a medical device family. Within the family of medical devices, each of the plurality of medical devices has at least one dimension that, within an acceptable tolerance, is substantially equal to the same dimension of another of the plurality of medical devices. Thus, for each medical device in the family, another, corresponding medical device has at least one substantially similar dimension. For example, a first medical device may have a first value for a dimension and a second medical device may have a second value for the same dimension that is equal to one of the sum of the second dimension and the acceptable tolerance or the difference between the second dimension and the acceptable tolerance. Thus, each of the plurality of medical devices varies from another of the plurality of medical devices by the acceptable tolerance.
摘要:
A method and circuit arrangement utilize scan logic disposed on a multi-core processor integrated circuit device or chip to perform internal voting-based built in self test (BIST) of the chip. Test patterns are generated internally on the chip and communicated to the scan chains within multiple processing cores on the chip. Test results output by the scan chains are compared with one another on the chip, and majority voting is used to identify outlier test results that are indicative of a faulty processing core. A bit position in a faulty test result may be used to identify a faulty latch in a scan chain and/or a faulty functional unit in the faulty processing core, and a faulty processing core and/or a faulty functional unit may be automatically disabled in response to the testing.
摘要:
An entry guide tube and cannula assembly, a surgical system including the assembly, and a method of surgical instrument insertion are provided. In one embodiment, the assembly includes a cannula having a proximal portion that operably couples to an accessory clamp of a manipulator arm, and a distal tubular member coupled to the proximal portion, the tubular member having an opening for passage of at least one instrument shaft. The assembly also includes an entry guide tube rotatably coupled to the proximal portion of the cannula, the entry guide tube including a plurality of channels for passage of a plurality of instrument shafts, wherein the entry guide tube is rotatably driven relative to the proximal portion of the cannula by rotation of at least one instrument shaft about a longitudinal axis of the entry guide tube.
摘要:
A sterile drape, a surgical system with the drape, and a draping method are provided. In one embodiment, a sterile drape includes a plurality of drape pockets, each of the drape pockets including an exterior surface to be adjacent a sterile field for performing a surgical procedure and an interior surface to be adjacent a non-sterile instrument manipulator coupled to a manipulator arm of a robotic surgical system. The drape further includes a plurality of flexible membranes at a distal face of each of the drape pockets for interfacing between outputs of an instrument manipulator and inputs of a respective surgical instrument, and a rotatable seal adapted to couple a proximal opening of each of the drape pockets to a rotatable element at a distal end of the manipulator arm.
摘要:
According to embodiments of the invention, separate spatial indexes may be created which correspond to dynamic objects in a three dimensional scene and static objects in the three dimensional scene. By creating separate spatial indexes for static and dynamic objects, only the dynamic spatial index may need to be rebuilt in response to movement or changes in shape of objects in the three dimensional scene. Furthermore, the static and dynamic spatial indexes may be stored in separate portions of an image processing system's memory cache. By storing the static spatial index and the dynamic spatial index in separate portions of the memory cache, the dynamic portion of the memory cache may be updated without affecting the static portion of the spatial index in the memory cache.
摘要:
Gallium nitride material transistors and methods associated with the same are provided. The transistors may be used in power applications by amplifying an input signal to produce an output signal having increased power. The transistors may be designed to transmit the majority of the output signal within a specific transmission channel (defined in terms of frequency), while minimizing transmission in adjacent channels. This ability gives the transistors excellent linearity which results in high signal quality and limits errors in transmitted data. The transistors may be designed to achieve low ACPR values (a measure of excellent linearity), while still operating at high drain efficiencies and/or high output powers. Such properties enable the transistors to be used in RF power applications including third generation (3G) power applications based on W-CDMA modulation.
摘要:
Gallium nitride material devices and methods of forming the same are provided. The devices include an electrode-defining layer. The electrode-defining layer typically has a via formed therein in which an electrode is formed (at least in part). Thus, the via defines (at least in part) dimensions of the electrode. In some cases, the electrode-defining layer is a passivating layer that is formed on a gallium nitride material region.
摘要:
An apparatus for determining the correct value to be assigned to the "sticky-bit" (S) position as a consequence of an arithmetic floating point multiply, divide or square root operation. The apparatus measures the number of trailing zeroes in the operand registers, performs a sum or difference calculation of these values, and compares the result with a third value to determine the sticky-bit value.
摘要:
The present invention relates to methods for the manufacturing, inventorying, and supplying of medical components. In one exemplary embodiment, the method includes fabricating individual subcomponents of a modular medical device system as finished goods. The finished subcomponents may then be sterilized, stocked, and inventoried and, upon request from a consumer, the individual subcomponents may be supplied to the consumer. For example, the consumer may be a hospital, a surgeon, or a sales representative. Once the individual subcomponents are received by the consumer, the individual subcomponents may then be assembled by the consumer to form a final, implantable medical device.
摘要:
A knee prosthesis is provided for use in knee arthroplasty. In one exemplary embodiment, the present invention provides a tibial prosthesis having a tibial baseplate with a fixed medial bearing component and a mobile lateral bearing component. In one exemplary embodiment, the lateral bearing component is secured to the lateral portion of the tibial baseplate utilizing at least one prosthetic ligament. Additionally, in one exemplary embodiment, a stop is provided to limit anterior or posterior movement of the lateral bearing component relative to the tibial baseplate. For example, the stop may be defined by cooperating shoulders formed on the lateral bearing and the tibial baseplate.