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公开(公告)号：US20180010967A1
公开(公告)日：2018-01-11
申请号：US15677146
申请日：2017-08-15
Applicant: Intuitive Surgical Operations, Inc.
Inventor： Ryan SEELEY , Mark E. FROGGATT
IPC: G01J9/02
CPC classification number: G01J9/0246 , H01S3/1303 , H01S3/1305 , H01S3/1307
Abstract: A tunable laser system includes a tunable laser to be scanned over a range of frequencies and an interferometer having a plurality of interferometer outputs. At least two interferometer outputs of the plurality of interferometer outputs have a phase difference. A wavelength reference has a spectral feature within the range of frequencies, and the spectral feature does not change in an expected operating environment of the tunable laser. Processing circuitry uses the spectral feature and the plurality of interferometer outputs to produce an absolute measurement of a wavelength of the tunable laser and controls the tunable laser based on a comparison of the absolute measurement of the wavelength of the tunable laser with a setpoint wavelength.
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12.发明申请公开(公告)号：US20170363410A1
公开(公告)日：2017-12-21
申请号：US15674564
申请日：2017-08-11
Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
Inventor： Mark E. FROGGATT , Justin W. KLEIN
CPC classification number: G01B9/02002 , G01B9/02004 , G01B9/02044 , G01B11/161 , G01B11/18 , G01D5/35316 , G01M11/3172 , G02B6/02042 , G02B6/02085 , G02B6/02114 , G02B6/02123 , G02B2006/02157
Abstract: An optical sensor includes an optical fiber inscribed with densely-overlapping, chirped-frequency fiber Bragg gratings at multiple locations along the optical fiber such that light reflected from a location on the optical fiber is reflected at multiple frequencies in a range of frequencies. An entire length of the optical sensor includes densely-overlapping, chirped-frequency fiber Bragg gratings. At least two of the densely-overlapping, chirped-frequency fiber Bragg gratings overlap at every measurement point along the entire length of the optical sensor. An optical sensing system uses the optical sensor. A method of making the optical sensor is described.
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公开(公告)号：US20140320846A1
公开(公告)日：2014-10-30
申请号：US14326004
申请日：2014-07-08
Applicant: Intuitive Surgical Operations, Inc.
Inventor： Mark E. FROGGATT , Justin W. Klein , Dawn K. Gifford , Stephen Tod Kreger
CPC classification number: G01B11/24 , G01B11/16 , G01B11/168 , G01B11/18 , G01L1/242 , G01L1/246 , G02B6/02042
Abstract: An accurate measurement method and apparatus using an optical fiber are disclosed. A total change in optical length in an optical core in the optical fiber is determined that reflects an accumulation of all of the changes in optical length for multiple segment lengths of the optical core up to a point on the optical fiber. The total change in optical length in the optical core is provided for calculation of an average strain over a length of the optical core based on the detected total change in optical length.
Abstract translation: 公开了一种使用光纤的精确测量方法和装置。 确定光纤中的光纤中的光学长度的总变化，其反映光纤的多个段长度的所有光学长度变化的累积直到光纤上的一点。 提供了光学核心中的光学长度的总变化，用于基于检测到的光学长度的总变化来计算光学核心长度上的平均应变。
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公开(公告)号：US20190234726A1
公开(公告)日：2019-08-01
申请号：US16307269
申请日：2017-05-25
Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
Inventor： Dawn K. GIFFORD , Mark E. FROGGATT , Jeffrey T. LACROIX , Eric E. SANBORN , Alexander K. SANG
Abstract: An interferometric measurement system measures a spun optical fiber sensor that includes multiple optical cores configured in the fiber sensor. A calibration machine includes a calibration fixture having known dimensions, one or more automatically controllable actuators for wrapping the fiber sensor starting at one end of the fiber sensor onto a calibration fixture having known dimensions, and an actuator controller configured to control the one or more actuators with actuator control signals. Interferometric detection circuitry, coupled to the actuator controller and to the other end of the fiber sensor, detects measured interferometric pattern data associated with each of the multiple cores when the fiber sensor is wrapped onto the calibration fixture. Data processing circuitry determines compensation parameters that compensate for variations between an optimal configuration of the multiple cores and an actual configuration of the multiple cores in the fiber sensor based on the detected measured interferometric pattern data. The compensation parameters compensate subsequently-obtained measurement interferometric pattern data for the fiber sensor.
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公开(公告)号：US20190183318A1
公开(公告)日：2019-06-20
申请号：US16325273
申请日：2017-08-15
Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
Inventor： Mark E. FROGGATT , Eric SANBORN
CPC classification number: A61B1/00167 , A61B1/00154 , A61B1/005 , A61B1/01 , A61B1/04 , A61B5/065 , A61B5/08 , A61B5/6852 , A61B34/20 , A61B2034/2061 , A61B2090/3614 , A61B2560/0266 , A61M25/01
Abstract: Where a flexible tool includes a tool body with a flexible portion, a distal end and a first optical fiber within the flexible portion, shape sensing can be achieved with increased accuracy by inserting or otherwise including a second optical fiber within the flexible portion. The increased accuracy can be achieved when the second optical fiber has a diameter larger than that of the first optical fiber. Once the shape of the flexible tool has been determined using at least the second optical fiber, the first optical fiber can be used for subsequent shape sensing. This may be particularly applicable where the tool includes an instrument such as an optical imaging device inserted in a channel of the tool, where not all of the width of the channel is occupied by functional components behind the operable end of the instrument.
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Patent Agency Ranking
公开(公告)号：US20190094459A1
公开(公告)日：2019-03-28
申请号：US16099763
申请日：2017-04-26
Applicant: Intuitive Surgical Operations, Inc.
Inventor： Mark E. FROGGATT , Dawn K. GIFFORD , Jeffrey T. LACROIX , Patrick ROYE , Alexander K. SANG
Abstract: An optical fiber includes multiple optical cores configured in the fiber including a set of primary cores and an auxiliary core. An interferometric measurement system uses measurements from the multiple primary cores to predict a response from the auxiliary core. The predicted auxiliary core response is compared with the actual auxiliary core response to determine if they differ by more than a predetermined amount, in which case the measurements from the multiple primary cores may be deemed unreliable.
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公开(公告)号：US20180356203A1
公开(公告)日：2018-12-13
申请号：US16044559
申请日：2018-07-25
Applicant: Intuitive Surgical Operations, Inc.
Inventor： Mark E. FROGGATT , Alexander K. SANG , Dawn K. GIFFORD , Justin W. KLEIN
CPC classification number: G01B9/0207 , G01B9/02004 , G01B9/02069 , G01B9/02072 , G01B9/02076 , G01B9/02083 , G01B9/0209 , G01B11/0658 , G01B11/18 , G01D5/3537 , G01L1/242 , G01M11/3172
Abstract: Interferometric measurement signals are detected by a single optical interferometric interrogator for a length of a sensing light guide and an interferometric measurement data set corresponding to the interferometric measurement signals is generated. The interferometric measurement data set is transformed into a spectral domain to produce a transformed interferometric measurement data set. The transformed interferometric measurement data set is compared to a baseline interferometric data set to identify a time-varying signal corresponding to a time-varying disturbance. The baseline interferometric data set is representative of the sensing light guide not being subjected to the time-varying disturbance. A compensating signal is determined from the time-varying signal and used to compensate at least a portion of the interferometric measurement data set for the time-varying disturbance as part of producing a measurement of the parameter.
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18.发明申请公开(公告)号：US20180245907A1
公开(公告)日：2018-08-30
申请号：US15757436
申请日：2016-12-08
Applicant: Intuitive Surgical Operations, Inc.
Inventor： Mark E. FROGGATT , Eric E. SANBORN , Federico BARBAGLI
CPC classification number: G01B9/0209 , A61B3/102 , A61B3/107 , A61B5/0066 , A61B5/0261 , A61B5/061 , A61B5/1072 , A61B5/1076 , A61B5/1459 , G01M11/3172
Abstract: A fiber housing includes multiple shape sensing cores and a single optical core. A distal end of the fiber housing is positionable to direct the single optical core to a current point of an anatomical target. Collimated light over a first range of frequencies is projected from the single optical core to the current point. OFDR is used to detect reflected light scattered from the current point and to process the detected light to determine a distance to the current point. Light over a second range of frequencies is projected through the multiple shape sensing optical cores to the distal end of the fiber housing. OFDR is used to measure light reflected from the distal end of the fiber housing back through the multiple shape sensing optical cores and to process the measurement to determine a position in three dimensional space of the distal end of the fiber housing and a pointing direction of the distal end of the fiber housing. A position in three dimensional space of the current point is determined based on the determined position in three dimensional space of the distal end of the fiber housing, the pointing direction of the distal end of the fiber housing, and the determined distance.
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公开(公告)号：US20180228548A1
公开(公告)日：2018-08-16
申请号：US15570912
申请日：2016-04-29
Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
Inventor： Stephen J. BLUMENKRANZ , Vincent DUINDAM , Mark E. FROGGATT , Eric E. SANBORN
CPC classification number: A61B34/20 , A61B1/00165 , A61B1/0051 , A61B1/07 , A61B5/065 , A61B2034/2061 , A61B2034/301 , A61M2025/0166 , G02B6/36 , G02B23/26
Abstract: A flexible tool includes an optical fiber including a proximal region, a distal region, an intermediate portion between the proximal region and the distal region and an bending region between the proximal region and the intermediate portion, wherein the intermediate portion is constrained to have a single degree of freedom that is translational substantially along an axis defined by the optical fiber at the intermediate portion. The optical fiber may be used to provide shape sensing of the flexible tool.
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20.发明申请公开(公告)号：US20160146699A1
公开(公告)日：2016-05-26
申请号：US14899827
申请日：2014-06-16
Applicant: INTUITIVE SURGICAL OPERATIONS, INC.
Inventor： Evan M. LALLY , Matthew WHITE , Matthew T. REAVES , Emily E. HORRELL , Sandra M. KLUTE , Matthew CASTELLUCCI , Mark E. FROGGATT
IPC: G01M11/00
CPC classification number: G01M11/3172 , G01D5/35354 , G01D18/00 , G01K11/32
Abstract: Optical frequency domain reflectometry (OFDR) circuitry to perform tasks on an optical fiber to generate calibration or correction data for calibrating or correcting a reference OFDR data set. A segmented technique is used which permits precise and accurate determination of the correction data for even initial and long fiber lengths. Correction information for each segment is stitched together to generate the correction data for the fiber.
Abstract translation: 光频域反射测量（OFDR）电路，用于执行光纤上的任务以产生用于校准或校正参考OFDR数据集的校准或校正数据。 使用分段技术，其允许精确和准确地确定即使初始和长纤维长度的校正数据。 每个段的校正信息被缝合在一起以产生光纤的校正数据。
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