JPWO2021124300A5 - - Google Patents

Download PDF

Info

Publication number
JPWO2021124300A5
JPWO2021124300A5 JP2022538194A JP2022538194A JPWO2021124300A5 JP WO2021124300 A5 JPWO2021124300 A5 JP WO2021124300A5 JP 2022538194 A JP2022538194 A JP 2022538194A JP 2022538194 A JP2022538194 A JP 2022538194A JP WO2021124300 A5 JPWO2021124300 A5 JP WO2021124300A5
Authority
JP
Japan
Prior art keywords
probe
marker detection
170abcd
marker
detection areas
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2022538194A
Other languages
Japanese (ja)
Other versions
JP2023507658A (en
Publication date
Priority claimed from NL2024545A external-priority patent/NL2024545B1/en
Application filed filed Critical
Publication of JP2023507658A publication Critical patent/JP2023507658A/en
Publication of JPWO2021124300A5 publication Critical patent/JPWO2021124300A5/ja
Pending legal-status Critical Current

Links

Claims (14)

埋め込み型マーカ（２００）の角度配設（１８０、１９０）を決定するための磁場プローブ（１００、１０１）であって、前記マーカが、使用時に磁場を生成するように構成された磁気双極子を備え、前記プローブ（１００、１０１）が、
遠位端（１６０）と、
前記プローブ（１００、１０１）の前記遠位端（１６０）の第１の磁気センサ（１１０）と、
前記第１の磁気センサ（１１０）と前記プローブ（１００、１０１）の近位端（１６５）との間に配設された第２の磁気センサ（１２０）とを備え、前記第１及び第２の磁気センサが、使用時に、前記磁気双極子の１つ又は複数の磁場ベクトルを決定するように構成及び配置され、
前記プローブ（１００、１０１）が、
プローブ長手方向軸（１５０）に沿って前記遠位端（１６０）から延びる２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）を定義し、
前記１つ又は複数の磁場ベクトルを使用して、前記磁気双極子に対する前記角度配設（１８０、１９０）を決定し、
前記角度配設（１８０、１９０）が前記２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）のうちの１つと実質的に一致する場合には、前記埋め込み型マーカ（２００）が前記２つ以上のマーカ検出区域のうちの１つの中にあることを決定し、
前記磁気双極子に対する前記角度配設（１８０、１９０）が前記２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）のうちの前記１つと一致しない場合には、１つ又は複数の磁場ベクトルの決定を抑制する
ようにさらに構成される、磁場プローブ（１００、１０１）。 a magnetic field probe (100, 101) for determining the angular placement (180, 190) of an implantable marker (200), the marker being configured to generate a magnetic field when in use; The probe (100, 101) includes a dipole ,
a distal end (160);
a first magnetic sensor (110) at the distal end (160) of the probe (100, 101) ;
a second magnetic sensor (120) disposed between the first magnetic sensor (110) and the proximal end (165) of the probe (100, 101); a magnetic sensor configured and arranged to, in use, determine one or more magnetic field vectors of the magnetic dipole ;
The probes (100, 101) are
defining two or more marker detection zones (170abcd, 171cd, 172cd, 173cd, 174cd) extending from said distal end (160) along a probe longitudinal axis (150);
determining the angular alignment (180, 190) for the magnetic dipole using the one or more magnetic field vectors;
said embedded marker (200) when said angular arrangement (180, 190) substantially coincides with one of said two or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd); is within one of the two or more marker detection areas;
one or more of the two or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd) if the angular arrangement (180, 190) with respect to the magnetic dipole suppress the determination of the magnetic field vector of
A magnetic field probe (100, 101) further configured to. 前記２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）が、前記長手方向軸（１５０）に関して実質的に対称である、請求項１に記載のプローブ。 The probe of claim 1, wherein the two or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd) are substantially symmetrical about the longitudinal axis (150). 前記２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）が、実質的に円弧、セグメント、円筒、又は円錐形状を有する、請求項１又は２に記載のプローブ。 3. A probe according to claim 1 or 2, wherein the two or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd) have a substantially circular arc, segment, cylindrical or conical shape. 前記２つ以上のマーカ検出区域（１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）が、１つ又は複数の境界を共有する、請求項１～３のいずれか一項に記載のプローブ。 Probe according to any one of claims 1 to 3 , wherein the two or more marker detection areas (171cd, 172cd, 173cd, 174cd) share one or more boundaries. 前記２つ以上のマーカ検出区域（１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）が、
範囲、形状、向き、配設、スケーリング、分解能、角度境界、長手方向範囲、横方向範囲、又はそれらの任意の組合せ
からなる群から選択されるパラメータに関して異なる、請求項１～４のいずれか一項に記載のプローブ。 The two or more marker detection areas (171cd, 172cd, 173cd, 174cd) are
Any one of claims 1 to 4 , differing with respect to a parameter selected from the group consisting of extent, shape, orientation, arrangement, scaling, resolution, angular boundaries, longitudinal extent, lateral extent, or any combination thereof. Probes described in Section. プローブ長手方向軸（１５０）に沿って前記遠位端（１６０）から延びるさらなるマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）を定義し、
前記角度配設（１８０、１９０）が３つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）のうちの１つと実質的に一致するかを判断し、それによって、前記マーカ（２００）が、前記３つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）のうちの前記１つの中にあることを決定する
ようにさらに構成される、請求項１～５のいずれか一項に記載のプローブ。 defining additional marker detection zones (170abcd, 171cd, 172cd, 173cd, 174cd) extending from said distal end (160) along a probe longitudinal axis (150);
determining whether said angular arrangement (180, 190) substantially coincides with one of three or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd), thereby determining whether said marker (200 ) is within the one of the three or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd ). The probe according to paragraph 1. プローブ長手方向軸（１５０）に沿って前記遠位端（１６０）から延びるさらなるマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）を定義し、
前記角度配設（１８０、１９０）が、
前記さらなるマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）と実質的に一致するか、
前記第１のマーカ検出区域及びさらなるマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）の両方と実質的に一致するか、
前記第２のマーカ検出区域及びさらなるマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）の両方と実質的に一致するか、
前記第１のマーカ検出区域又はさらなるマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）のいずれとも一致しないか、
前記第２のマーカ検出区域又はさらなるマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）のいずれとも一致しないか、又は
それらの任意の組合せを判断する
ようにさらに構成される、請求項１～６のいずれか一項に記載のプローブ。 defining additional marker detection zones (170abcd, 171cd, 172cd, 173cd, 174cd) extending from said distal end (160) along a probe longitudinal axis (150);
The angular arrangement (180, 190) is
substantially coincident with the further marker detection area (170abcd, 1710cdb, 1720cd, 1730cd, 174cd) ;
substantially coincident with both the first marker detection area and the further marker detection area (170abcd, 1710cdb, 1720cd, 1730cd, 174cd) ;
substantially coincident with both the second marker detection area and the further marker detection area (170abcd, 1710cdb, 1720cd, 1730cd, 174cd) ;
does not match any of the first marker detection area or the further marker detection areas (170abcd, 1710cdb, 1720cd, 1730cd, 174cd) ,
Further configured to determine whether there is no match with any of the second marker detection area or further marker detection areas (170abcd, 1710cdb, 1720cd, 1730cd, 174cd), or any combination thereof. 6. The probe according to any one of 6. 前記プローブ（１００、１０１）が、前記プローブ（１００、１０１）の前記遠位端（１６０）に対する前記マーカ（２００）の前記角度配設（１８０、１９０）を決定するようにさらに構成及び配置される、請求項１～７のいずれか一項に記載のプローブ。 The probe (100, 101) is further configured and arranged to determine the angular orientation (180, 190) of the marker (200) with respect to the distal end (160) of the probe (100, 101). The probe according to any one of claims 1 to 7 . 前記プローブ（１００、１０１）が、前記プローブ（１００、１０１）の前記長手方向軸（１５０）に対する前記マーカ（２００）の前記角度配設（１８０、１９０）を決定するようにさらに構成及び配置される、請求項１～８のいずれか一項に記載のプローブ。 The probe (100, 101) is further configured and arranged to determine the angular orientation (180, 190) of the marker (200) with respect to the longitudinal axis (150) of the probe (100, 101). The probe according to any one of claims 1 to 8 . 前記プローブ（１００、１０１）が、少なくとも１つのさらなる磁気センサ（１３０）を備え、前記磁気センサ（１１０、１２０）が、１つ又は複数の１Ｄ、２Ｄ、又は３Ｄアレイに含まれる、請求項１～９のいずれか一項に記載のプローブ。 1 . The probe ( 100 , 101 ) comprises at least one further magnetic sensor ( 130 ), the magnetic sensor ( 110 , 120 ) being included in one or more 1D, 2D or 3D arrays. - 9. The probe according to any one of 9 . 前記プローブ（１００、１０１）が、オーディオフィードバックを提供するようにさらに構成及び配置され、前記角度配設（１８０、１９０）が前記第１又は第２のマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）に実質的に一致するかに応じてオーディオ特性が異なる、請求項１～１０のいずれか一項に記載のプローブ。 The probe (100, 101) is further configured and arranged to provide audio feedback, and the angular arrangement (180, 190) is arranged in the first or second marker detection area (170abcd, 1710cdb, 1720cd, 1730cd). , 174cd), the probe according to claim 1, wherein the probe has different audio characteristics depending on whether the probe substantially corresponds to the 174cd) . 前記プローブ（１００、１０１）が、粗い及び細かいマーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）を提供するようにさらに構成及び配置される、請求項１～１１のいずれか一項に記載のプローブ。 12. The probe (100, 101) is further configured and arranged to provide coarse and fine marker detection areas (170abcd, 1710cdb, 1720cd, 1730cd, 174cd). probe. 前記プローブ（１００、１０１）が、前記プローブ（１００、１０１）の前記遠位端（１６０）が前記マーカ（２００）に近づくときに、前記マーカ検出区域（１７０ａｂｃｄ、１７１０ｃｄｂ、１７２０ｃｄ、１７３０ｃｄ、１７４ｃｄ）をより小さい角度で選択するようにさらに構成及び配置される、請求項１～１２のいずれか一項に記載のプローブ。 When the probe (100, 101) approaches the marker (200), the marker detection area (170abcd, 1710cdb, 1720cd, 1730cd, 174cd) 13. A probe according to any one of claims 1 to 12 , further configured and arranged to select at a smaller angle. 埋め込み型マーカ（２００）の角度配設（１８０、１９０）を決定するための方法であって、前記マーカ（２００）が、使用時に磁場を生成するように構成された磁気双極子を備え、前記方法が、
遠位端（１６０）を備えるプローブ（１００、１０１）を提供し、前記プローブが、前記遠位端（１６０）の第１の磁気センサ（１１０）と、前記第１の磁気センサ（１１０）と前記プローブ（１００、１０１）の近位端（１６５）との間に配設された第２の磁気センサ（１２０）とをさらに備え、前記第１及び第２の磁気センサが、使用時に、前記磁気双極子の１つ又は複数の磁場ベクトルを決定するように構成及び配置されること、
プローブ長手方向軸（１５０）に沿って前記遠位端（１６０）から延びる２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）を定義するように前記プローブ（１００、１０１）を構成及び配置すること、
前記１つ又は複数の磁場ベクトルを使用して、前記磁気双極子に対する前記角度配設（１８０、１９０）を決定すること、
前記角度配設（１８０、１９０）が前記２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）のうちの１つと実質的に一致する場合には、前記埋め込み型マーカ（２００）が前記２つ以上のマーカ検出区域のうちの１つの中にあることを決定すること、並びに
前記磁気双極子に対する前記角度配設（１８０、１９０）が前記２つ以上のマーカ検出区域（１７０ａｂｃｄ、１７１ｃｄ、１７２ｃｄ、１７３ｃｄ、１７４ｃｄ）のうちの前記１つと一致しない場合には、１つ又は複数の磁場ベクトルの決定を抑制すること、
を含む方法。 A method for determining angular placement (180, 190) of an implantable marker (200), the marker (200) comprising a magnetic dipole configured to generate a magnetic field in use. , the method is
A probe (100, 101) comprising a distal end (160) is provided, said probe comprising a first magnetic sensor (110) of said distal end (160) and said first magnetic sensor (110). a second magnetic sensor (120) disposed between the proximal end (165 ) of the probe (100, 101 ), wherein the first and second magnetic sensors, in use, configured and arranged to determine one or more magnetic field vectors of the magnetic dipole ;
said probe (100, 101) to define two or more marker detection zones (170abcd, 171cd, 172cd, 173cd, 174cd) extending from said distal end (160) along a probe longitudinal axis ( 150); configuring and arranging;
determining the angular alignment (180, 190) for the magnetic dipole using the one or more magnetic field vectors;
said embedded marker (200) when said angular arrangement (180, 190) substantially coincides with one of said two or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd); is within one of the two or more marker detection areas , and
one or more of the two or more marker detection areas (170abcd, 171cd, 172cd, 173cd, 174cd) if the angular arrangement (180, 190) with respect to the magnetic dipole suppressing the determination of the magnetic field vector of
method including.
JP2022538194A 2019-12-20 2020-12-20 Magnetic field probe for determining placement of implantable markers using two or more detection zones Pending JP2023507658A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL2024545 2019-12-20
NL2024545A NL2024545B1 (en) 2019-12-20 2019-12-20 Magnetic field probe for determining an angular disposition of an implantable marker
PCT/IB2020/062259 WO2021124300A1 (en) 2019-12-20 2020-12-20 Magnetic field probe for determining a disposition of an implantable marker using two or more detection zones

Publications (2)

Publication Number Publication Date
JP2023507658A JP2023507658A (en) 2023-02-24
JPWO2021124300A5 true JPWO2021124300A5 (en) 2023-12-21

Family

ID=69156479

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022538194A Pending JP2023507658A (en) 2019-12-20 2020-12-20 Magnetic field probe for determining placement of implantable markers using two or more detection zones

Country Status (7)

Country Link
US (1) US11672615B2 (en)
EP (1) EP4090280A1 (en)
JP (1) JP2023507658A (en)
CN (1) CN115038403A (en)
CA (1) CA3162504A1 (en)
NL (1) NL2024545B1 (en)
WO (1) WO2021124300A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114403925A (en) * 2022-01-21 2022-04-29 山东黄金职业病防治院 Breast cancer ultrasonic detection system
WO2024042365A1 (en) * 2022-08-23 2024-02-29 Molli Surgical Inc. Sensor optimization to identify location and orientation of anisotropic magnet field from a permanent magnet

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6129668A (en) * 1997-05-08 2000-10-10 Lucent Medical Systems, Inc. System and method to determine the location and orientation of an indwelling medical device
US7561051B1 (en) * 2005-04-20 2009-07-14 Creare Inc. Magnet locating apparatus and method of locating a magnet using such apparatus
WO2016032910A1 (en) * 2014-08-24 2016-03-03 Health Beacons, Inc. Probe for determining magnetic marker locations
JP2019535339A (en) * 2016-09-09 2019-12-12 サニーブルック リサーチ インスティテュート System and method for localization and imaging of magnetic potential lesions
GB2582123B (en) * 2018-01-25 2021-04-28 Endomagnetics Ltd Systems and methods for detecting magnetic markers for surgical guidance
NL2022093B1 (en) 2018-11-29 2020-06-26 Sirius Medical Systems B V The present disclosure relates to a magnetic field probe for determining a disposition of an implantable magnetic marker, a detection unit comprising the probe and a method of detecting the disposition of an implantable magnetic marker.

Similar Documents

Publication Publication Date Title
US20210145305A1 (en) Surgical tools having electromagnetic tracking components
JP6251379B2 (en) Surgical positioning circuit
JP7334320B2 (en) Multi-axis position sensor printed on a folded flexible circuit board
US6701179B1 (en) Coil structures and methods for generating magnetic fields
US7346379B2 (en) Electrophysiology catheter
JP5570691B2 (en) Method and apparatus for guiding a locking screw distally into an intramedullary nail
US4317078A (en) Remote position and orientation detection employing magnetic flux linkage
JP5508023B2 (en) Apparatus and method for influencing and / or detecting magnetic particles in a working region
JP4733177B2 (en) Magnetic resonance imaging apparatus and RF coil for magnetic resonance imaging apparatus
JP2018519863A5 (en)
US20080287771A1 (en) Surgical navigation system with electrostatic shield
CN105783684A (en) Magnetic Sensor Including Resistor Array Including A Plurality Of Resistive Element Sections
US9389286B2 (en) Magnetic sensor with reduced effect of interlayer coupling magnetic field
EP1913338A1 (en) System and method for magnetic tracking of a sensor for interventional device localization
JP2698805B2 (en) Apparatus for determining the strength and direction of a magnetic field and use of the apparatus
NL2022093B1 (en) The present disclosure relates to a magnetic field probe for determining a disposition of an implantable magnetic marker, a detection unit comprising the probe and a method of detecting the disposition of an implantable magnetic marker.
CN110869707A (en) Magnetic azimuth/position measuring device
JP2017511092A (en) Magnetoresistive audio pickup
JPWO2021124300A5 (en)
AU2019226244A1 (en) Catheter with synthetic aperture mri sensor
JP2023507658A (en) Magnetic field probe for determining placement of implantable markers using two or more detection zones
JP5486313B2 (en) Apparatus and method for influencing and / or detecting magnetic particles in a working region
JP2015154826A (en) puncture support device
JPH10314138A (en) Mri reception processor and mr signal reception processing method
WO2020013123A1 (en) Magnetic body detecting device