定价： 481元 / 折扣价： 409 元

定价： 481元 / 折扣价： 409 元 加购物车

定价： 345元 / 折扣价： 294 元 加购物车

5.1 The purpose of this practice is to provide data that can be used for comparison and evaluation of the accuracy of different CAS systems.5.2 The use of CAS systems and robotic tracking systems is becoming increasingly common and requires a degree of trust by the user that the data provided by the system meets necessary accuracy requirements. In order to evaluate the potential use of these systems, and to make informed decisions about suitability of a system for a given procedure, objective performance data of such systems are necessary. While the end user will ultimately want to know the accuracy parameters of a system under clinical application, the first step must be to characterize the digitization accuracy of the tracking subsystem in a controlled environment under controlled conditions.5.3 In order to make comparisons within and between systems, a standardized way of measuring and reporting point accuracy is needed. Parameters such as coordinate system, units of measure, terminology, and operational conditions must be standardized.1.1 This standard will measure the effects on the accuracy of computer assisted surgery (CAS) systems of the environmental influences caused by equipment utilized for bone preparation during the intended clinical application for the system. The environmental vibration effect covered in this standard will include mechanical vibration from: cutting saw (sagittal or reciprocating), burrs, drills, and impact loading. The change in accuracy from detaching and re-attaching or disturbing a restrained connection that does not by design require repeating the registration process of a reference base will also be measured.1.2 It should be noted that one system may need to undergo multiple iterations (one for each clinical application) of this standard to document its accuracy during different clinical applications since each procedure may have different exposure to outside forces given the surgical procedure variability from one procedure to the next.1.3 All units of measure will be reported as millimeters for this standard.1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

定价： 590元 / 折扣价： 502 元 加购物车

CSA Preface This is the first edition of CAN/CSA-C61000-2-12, Electromagnetic compatibility (EMC) - Part 2-12: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public medium-voltage power supply systems, whi

定价： 1001元 / 折扣价： 851 元

CSA Preface This is the second edition of CAN/CSA-C61000-2-2, Electromagnetic compatibility (EMC) - Part 2-2: Environment - Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems, which i

定价： 1001元 / 折扣价： 851 元

定价： 2002元 / 折扣价： 1702 元

1 Scope This part of IEC 61000 is concerned with conducted disturbances in the frequency range from 0 kHz to 9 kHz. It gives numerical compatibility levels for industrial and non-public power distribution systems at nominal voltages up to 35 kV and a n

定价： 1274元 / 折扣价： 1083 元

1 Scope This technical report recommends the procedures to assess the disturbance levels produced by the emission of the devices, equipment and systems installed in non-public networks in industrial environment as far as the low-frequency conducted dis

定价： 1684元 / 折扣价： 1432 元

1 Scope This part of IEC 61000 relates to the immunity requirements and test methods for electrical and electronic equipment to conducted, common mode disturbances in the range d.c. to 150 kHz. The object of this standard is to establish a common and r

定价： 865元 / 折扣价： 736 元

1. Scope This section of IEC 1000-2 is concerned with conducted disturbances in the frequency range up to 10 kHz with an exten sion for mains signalling systems. Separate sections give numerical compatibility levels for different system voltage levels.

定价： 865元 / 折扣价： 736 元

1 Scope This section of International Standard IEC 1000-4 relates to the conducted immunity requirements of electrical and electronic equipment to electromagnetic disturbances coming from intended radio-frequency (RF) transmitters in the frequency ran

定价： 1274元 / 折扣价： 1083 元