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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Position and orientation measuring with magnetic fields

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) A61B-005/05   
미국특허분류(USC) 600/424; 600/427; 600/429; 606/130; 324/244; 324/260
출원번호 US-0370208 (1999-08-09)
발명자 / 주소
  • Mark R. Schneider
  • Christopher D. Conover
출원인 / 주소
  • CorMedica Corporation
대리인 / 주소
    Downs Rachlin Martin PLLC
인용정보 피인용 횟수 : 160  인용 특허 : 49
초록

Splines of magnetic field values are used by a processor to determine location parameters in a remote location determination system. The location determination system is used on a laser catheter that is operable to perform myocardial revascularization. An automatic calibration technique compensates for any variations in gain in a sensor and related components. Methods for reducing the effects of eddy currents in surrounding conductive objects are used in electromagnetic position and orientation measurement systems.

대표
청구항
▼

1. A remote object location determining system comprising:a generation subsystem having at least one transducer operable to produce an electromagnetic field; a sensing subsystem having at least one transducer operable to measure an electromagnetic field produced by the generation subsystem; a driver operable to apply excitation waveforms to the generation subsystem; and a processor operably connected to receive sensor signals from the sensing subsystem, and to determine at least two location parameters by comparing measured magnetic field values to a fun...

이 특허에 인용된 특허 (49)

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  137. Anderson, Peter Traneus, System and method for employing multiple coil architectures simultaneously in one electromagnetic tracking system.
  138. Schneider, Mark R., System and method for measuring position and orientation using distortion-compensated magnetic fields.
  139. Schneider,Mark R., System and method for measuring position and orientation using distortion-compensated magnetic fields.
  140. Schantz, Hans Gregory; DePierre, Robert Edward, System and method for near-field electromagnetic ranging.
  141. Burnside, Eddie K.; Messerly, Shayne, System for placement of a catheter including a signal-generating stylet.
  142. Burnside, Eddie K.; Messerly, Shayne, System for placement of a catheter including a signal-generating stylet.
  143. Burnside, Eddie K.; Messerly, Shayne, System for placement of a catheter including a signal-generating stylet.
  144. Glossop, Neil David, System, method and apparatus for navigated therapy and diagnosis.
  145. Glossop, Neil David, System, method and devices for navigated flexible endoscopy.
  146. Cox, Jeremy B.; Misener, Anthony K.; Breiter, Catherine C.; Burnside, Eddie K.; Stats, Jason R., Systems and methods for breaching a sterile field for intravascular placement of a catheter.
  147. Bukhman, Vladislav; Misener, Anthony K.; Vassylyev, Valeriy; Urry, Robin S.; Tanner, Brian S., Systems and methods for guidance and placement of an intravascular device.
  148. Silverstein, Fred E.; Golden, Robert N., Systems and methods for guiding a medical instrument.
  149. Burnside, Eddie K.; Messerly, Shayne; Golden, Robert N.; Lee, Rand W., Systems and methods for positioning a catheter.
  150. Burnside, Eddie K.; Messerly, Shayne; Golden, Robert N.; Lee, Rand W., Systems and methods for positioning a catheter.
  151. Rochelle, James M.; Sangsingkeow, Rungwit; Protho, Benjamin S.; Lee, Thomas B., Systems and methods of defining boundary regions for animals.
  152. Burg, Bruce M.; Hartmann, Steven L., Trackable biopsy needle.
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  158. Lindekugel, Eric W.; Orome, Amir, Ultrasound probe head.
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