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US6233476B1 Expired / Lapsed US ⏱️ 0.0 years remaining

Medical positioning system

Assignee: St Jude Medical International Holding SARL
•
Filing: 1999-05-18
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Granted: 2001-05-15
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Expires: 2019-05-18
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Abstract

Abstract Medial device comprising a housing, a magnetic detection probe, for detecting a plurality of magnetic fields, a biometric unit and a controller, connected to said magnetic detection probe, said biometric unit and said storage unit, wherein said controller receives magnetic field detection information from said magnetic detection probe, and wherein said controller operates said biometric unit in association with said magnetic field detection information.

Inventors

  • 👤 Gera M Strommer
  • 👤 Uzi Eichler

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 15:58
CPC Classifications
A; A61; A61B; A61B8/00; A61B8/46; A61B8/461; A61B8/463; A61B34/00; A61B34/20; A61B5/00; A61B5/0059; A61B5/0062; A61B5/0066; A61B5/06; A61B5/061; A61B5/062; A61B8/08; A61B8/0833; A61B8/0841; A61B8/12; A61B8/42; A61B8/4245; A61B8/4254; A61B8/48; A61B8/483; A61B8/52; A61B8/5215; A61B8/5238; A61B34/10; A61B2034/101; A61B2034/105; A61B2034/107; A61B2034/2046; A61B2034/2051; A61B2034/2072; A61B34/25; A61B2034/256; A61B90/00; A61B90/30; A61B2090/306; A61B90/36; A61B2090/364; A61B2090/365; A61B2090/367; A61B90/37; A61B2090/378; A61B2090/3782; A61B2090/3784; A61B90/39; A61B2090/3954; A61B2090/3958; A61B5/01; A61B5/015; A61B5/24; A61B5/316; A61B5/318; A61B5/346; A61B5/349; A61B5/352; A61B90/10; A61B90/361

Claims Analysis

Total Claims: 52
Claim 1
Independent Claim 156 words
Apparatus for determining the position and orientation of a surgical tool relative to a reference frame, in association with an image, comprising: a magnetic field transmitter, including at least one magnetic field generating element; a detection probe including at least one magnetic field detector; a signal generation module, connected to said at least one magnetic field generating element; a detection processor, connected to said detection probe; and mounting means, for mounting onto said surgical tool, said signal generation module determining a multiple frequency transmit signal and providing said multiple frequency transmit signal to said magnetic field transmitter, said detection processor receiving a detected signal from said detection probe, at least a portion of said detected signal corresponding to said multiple frequency transmitted signal, determining the location and orientation of said detection probe from the power of said at least a portion of said detected signal and indicating the location of said surgical tool within said image.
Claim 2
Dependent Claim 156 words
Apparatus for determining the position and orientation of a surgical tool relative to a reference frame, in association with an image, comprising: a magnetic field transmitter, including at least one magnetic field generating element; a detection probe including at least one magnetic field detector; a signal generation module, connected to said at least one magnetic field generating element; a detection processor, connected to said detection probe; and mounting means, for mounting onto said surgical tool, said signal generation module determining a multiple frequency transmit signal and providing said multiple frequency transmit signal to said magnetic field transmitter, said detection processor receiving a detected signal from said detection probe, at least a portion of said detected signal corresponding to said multiple frequency transmitted signal, determining the location and orientation of said detection probe from the power of said at least a portion of said detected signal and indicating the location of said surgical tool within said image.
Claim 3
Dependent Claim 18 words
The apparatus according to claim 1 , wherein said detection probe includes at least three magnetic field detectors.
Claim 4
Dependent Claim 22 words
The apparatus according to claim 1 , wherein the number of said at least one magnetic generating element is at least three.
Claim 5
Dependent Claim 56 words
The apparatus according to claim 1 , wherein said signal generation module comprises an digital to analog converter and a signal processor connected thereto, said signal processor determining a digital transmit signal, said digital to analog converter converting said digital signal to a respective analog signal and providing said analog signal to said magnetic field transmitter.
Claim 6
Dependent Claim 16 words
The apparatus according to claim 4 , wherein said digital signal includes at least one channel.
Claim 7
Dependent Claim 19 words
The apparatus according to claim 5 , wherein each said at least one channel includes at least one frequency.
Claim 8
Dependent Claim 31 words
The apparatus according to claim 5 , wherein each said at least one channel includes a plurality of frequencies and wherein said frequencies are transmitted in accordance with a predetermined sequence.
Claim 9
Dependent Claim 17 words
The apparatus according to claim 1 , wherein said transmit signal channel includes at least one frequency.
Claim 10
Dependent Claim 19 words
The apparatus according to claim 1 , wherein each said at least one channel includes at least three frequencies.
Claim 11
Dependent Claim 93 words
The apparatus according to claim 1 , further comprising: an ultrasound detector, connected to said detection processor, said ultrasound detector capturing a plurality of ultrasound frames; and an image location and orientation detector, mounted on said ultrasound detector, and connected to said detection processor, said image location and orientation detector detecting the location and orientation of each said ultrasound frames, wherein said detection processor constructs said image from said ultrasound frames and the detected location and orientation of each said frames with respect to the detected location and orientation of said surgical tool.
Claim 12
Dependent Claim 19 words
The apparatus according to claim 1 , wherein said a detection probe is wirelessly connected to said detection processor.
Claim 13
Dependent Claim 64 words
A medial device comprising: a housing a magnetic detection probe, for detecting a plurality of magnetic fields; a biometric unit; and a controller, connected to said magnetic detection probe, said biometric unit and a storage unit, wherein said controller receives magnetic field detection information from said magnetic detection probe, wherein said controller operates said biometric unit in association with said magnetic field detection information.
Claim 14
Dependent Claim 64 words
A medial device comprising: a housing a magnetic detection probe, for detecting a plurality of magnetic fields; a biometric unit; and a controller, connected to said magnetic detection probe, said biometric unit and a storage unit, wherein said controller receives magnetic field detection information from said magnetic detection probe, wherein said controller operates said biometric unit in association with said magnetic field detection information.
Claim 15
Dependent Claim 23 words
The medial device according to claim 12 , further comprising a transmitter connected to said controller for transmitting said magnetic field detection information.
Claim 16
Dependent Claim 37 words
The medial device according to claim 12 , wherein said biometric unit includes at least one of the devices in the list consisting of: an image detection unit; a substance releasing unit; and a biometric sampling unit.
Claim 17
Dependent Claim 23 words
The medial device according to claim 12 further comprises a storage unit, connected to said controller, for storing said magnetic field detection information.
Claim 18
Dependent Claim 55 words
The medial device according to claim 15 , wherein said biometric unit comprises a biomedical sensor, wherein said biometric unit provides said controller detected biometric information and wherein said controller produces a plurality of records, each said records including a portion of said biometric information and a respective portion of said detected magnetic field information.
Claim 19
Dependent Claim 22 words
The medial device according to claim 16 further comprising a storage unit, wherein said controller stores said records in said storage unit.
Claim 20
Dependent Claim 37 words
The medial device according to claim 16 further comprising a wireless transmitter, connected to said controller, wherein said controller provides said records to said wireless transmitter and wherein said transmitter transmits said records to an external receiver.
Claim 21
Dependent Claim 19 words
The medial device according to claim 12 wherein said plurality of magnetic fields are generated by an external transmitter.
Claim 22
Dependent Claim 25 words
The medial device according to claim 19 wherein said plurality of magnetic fields are generated by said external transmitter in accordance with a predetermined sequence.
Claim 23
Dependent Claim 20 words
The medial device according to claim 19 wherein said plurality of magnetic fields are generated by said external transmitter, continuously.
Claim 24
Dependent Claim 65 words
Method for calibrating a reference image onto a volume, from which the image is produced, the method comprising the steps of: determining a plurality of locations in said volume, said locations being visible, said locations being present in said reference image; detecting a magnetic field reading in each said locations; and calibrating said reference image with respect to said magnetic field readings, onto said volume.
Claim 25
Dependent Claim 65 words
Method for calibrating a reference image onto a volume, from which the image is produced, the method comprising the steps of: determining a plurality of locations in said volume, said locations being visible, said locations being present in said reference image; detecting a magnetic field reading in each said locations; and calibrating said reference image with respect to said magnetic field readings, onto said volume.
Claim 26
Dependent Claim 39 words
The method according to claim 22 , further comprising the steps of: receiving additional magnetic field readings, each in an additional location within said volume; and determining the location and orientation of said additional location, within said reference frame.
Claim 27
Dependent Claim 51 words
Imaging system comprising: an inner body ultrasound detector; and a location and orientation detector, located in proximity of said inner body ultrasound detector, wherein said inner body ultrasound detector detects a plurality of two-dimensional images, wherein said location and orientation detector detects the location and orientation of each said two-dimensional images.
Claim 28
Dependent Claim 51 words
Imaging system comprising: an inner body ultrasound detector; and a location and orientation detector, located in proximity of said inner body ultrasound detector, wherein said inner body ultrasound detector detects a plurality of two-dimensional images, wherein said location and orientation detector detects the location and orientation of each said two-dimensional images.
Claim 29
Dependent Claim 53 words
The imaging system according to claim 24 , further comprising a three dimensional image generator, connected to said inner body ultrasound detector and to said location and orientation detector, wherein said three dimensional image generator processes said two-dimensional images, each with its respecting location and orientation information, thereby producing a three dimensional image.
Claim 30
Dependent Claim 46 words
The imaging system according to claim 25 , further comprising a storage unit connected between said three dimensional image generator and said inner body ultrasound detector and said location and orientation detector, for intermediately storing said two-dimensional images, each with its respecting location and orientation information.
Claim 31
Dependent Claim 68 words
The imaging system according to claim 25 , further comprising a combining processor, connected to said three dimensional image and interfacing at least one additional location and orientation detector, wherein said combining processor receives additional location and orientation information from said at least one additional location and orientation detector, and wherein said combining processor produces an indication of said additional location and orientation information onto said three-dimensional image.
Claim 32
Dependent Claim 19 words
The imaging system according to claim 24 , wherein said inner body ultrasound detector includes an angular ultrasound transceiver.
Claim 33
Dependent Claim 19 words
The imaging system according to claim 24 , wherein said inner body ultrasound detector includes a radial ultrasound transceiver.
Claim 34
Dependent Claim 21 words
The imaging system according to claim 24 , wherein said location and orientation detector includes at least one axial magnetic detector.
Claim 35
Dependent Claim 24 words
The imaging system according to claim 24 , wherein said location and orientation detector detects magnetic field in at least one axial magnetic direction.
Claim 36
Dependent Claim 31 words
The imaging system according to claim 31 , wherein said location and orientation detector detects magnetic field in at least one frequency in each said at least one axial magnetic direction.
Claim 37
Dependent Claim 22 words
The imaging system according to claim 24 , wherein said location and orientation detector detects magnetic field in at least one frequency.
Claim 38
Dependent Claim 22 words
The imaging system according to claim 24 , wherein said location and orientation detector is mounted on said inner body ultrasound detector.
Claim 39
Dependent Claim 43 words
The imaging system according to claim 24 , wherein said inner body ultrasound detector is mounted on a catheter and wherein said location and orientation detector is mounted on the tip of said catheter, in the vicinity of said inner body ultrasound detector.
Claim 40
Dependent Claim 20 words
The imaging system according to claim 24 , wherein said inner body ultrasound detector includes an inner vascular ultrasound transceiver.
Claim 41
Dependent Claim 50 words
The imaging system according to claim 24 , further comprising a surgical tool location and orientation detector, to be mounted on a surgical tool, said surgical tool location and orientation detector detecting the location and orientation of said surgical tool, in the coordinate system of said location and orientation detector.
Claim 42
Dependent Claim 43 words
The imaging system according to claim 24 , further comprising a processor, for reconstructing a three dimensional image from said two dimensional images, by placing said two dimensional images in a three dimensional volume, each according to its respective detected location and orientation.
Claim 43
Dependent Claim 50 words
The imaging system according to claim 38 , further comprising a surgical tool location and orientation detector, to be mounted on a surgical tool, said surgical tool location and orientation detector detecting the location and orientation of said surgical tool, in the coordinate system of said location and orientation detector.
Claim 44
Dependent Claim 34 words
The imaging system according to claim 39 , wherein said processor further adds a representation of said surgical tool onto said three dimensional volume, according to detected location and orientation of said surgical tool.
Claim 45
Dependent Claim 60 words
Method for producing a three dimensional image, comprising the steps of: detecting a plurality of two-dimensional ultrasound images, from the inner section of a scanned volume; detecting the location and orientation of a selected vector in each said two dimensional ultrasound images; and determining a three dimensional representation for each said two-dimensional images, according to the location and orientation thereof.
Claim 46
Dependent Claim 60 words
Method for producing a three dimensional image, comprising the steps of: detecting a plurality of two-dimensional ultrasound images, from the inner section of a scanned volume; detecting the location and orientation of a selected vector in each said two dimensional ultrasound images; and determining a three dimensional representation for each said two-dimensional images, according to the location and orientation thereof.
Claim 47
Dependent Claim 20 words
The method according to claim 41 , further comprising the step of producing a three-dimensional image from said three-dimensional representations.
Claim 48
Dependent Claim 27 words
The method according to claim 42 , further comprising the step of receiving additional location and orientation information and producing an indication thereof onto said three-dimensional image.
Claim 49
Dependent Claim 23 words
The method according to claim 43 , further comprising the step of producing a visible representation of said three-dimensional image and said indication.
Claim 50
Dependent Claim 24 words
The method according to claim 41 , further comprising the step of inserting an ultrasound detector into said inner section of said scanned volume.
Claim 51
Dependent Claim 17 words
The method according to claim 41 , wherein said two-dimensional ultrasound images include angular two-dimensional ultrasound images.
Claim 52
Dependent Claim 17 words
The method according of claim 41 , wherein said two-dimensional ultrasound images include angular two-dimensional ultrasound images.

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2004-05-14 2004-11-13 2005-05-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2008-05-14 2008-11-13 2009-05-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2012-05-14 2012-11-13 2013-05-15 $7700.00 Window Closed / Lapsed

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