CA2687511C - Eccentric abrading head for high-speed rotational atherectomy devices - Google Patents

Eccentric abrading head for high-speed rotational atherectomy devices Download PDF

Info

Publication number
CA2687511C
CA2687511C CA2687511A CA2687511A CA2687511C CA 2687511 C CA2687511 C CA 2687511C CA 2687511 A CA2687511 A CA 2687511A CA 2687511 A CA2687511 A CA 2687511A CA 2687511 C CA2687511 C CA 2687511C
Authority
CA
Canada
Prior art keywords
drive shaft
atherectomy device
rotational
axis
cone
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.)
Active
Application number
CA2687511A
Other languages
English (en)
French (fr)
Other versions
CA2687511A1 (en
Inventor
Robert J. Thatcher
Paul J. Robinson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Cardiovascular Systems Inc
Original Assignee
Cardiovascular Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Cardiovascular Systems Inc filed Critical Cardiovascular Systems Inc
Publication of CA2687511A1 publication Critical patent/CA2687511A1/en
Application granted granted Critical
Publication of CA2687511C publication Critical patent/CA2687511C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B17/22004—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves
    • A61B17/22012—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for using mechanical vibrations, e.g. ultrasonic shock waves in direct contact with, or very close to, the obstruction or concrement
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/22—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for
    • A61B2017/22038—Implements for squeezing-off ulcers or the like on inner organs of the body; Implements for scraping-out cavities of body organs, e.g. bones; for invasive removal or destruction of calculus using mechanical vibrations; for removing obstructions in blood vessels, not otherwise provided for with a guide wire
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B2017/320004—Surgical cutting instruments abrasive
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B17/00—Surgical instruments, devices or methods
    • A61B17/32—Surgical cutting instruments
    • A61B17/3205—Excision instruments
    • A61B17/3207—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions
    • A61B17/320758—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven
    • A61B2017/320766—Atherectomy devices working by cutting or abrading; Similar devices specially adapted for non-vascular obstructions with a rotating cutting instrument, e.g. motor driven eccentric

Landscapes

  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Vascular Medicine (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Mechanical Engineering (AREA)
  • Surgical Instruments (AREA)
CA2687511A 2007-06-11 2008-06-09 Eccentric abrading head for high-speed rotational atherectomy devices Active CA2687511C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11/761,128 US8597313B2 (en) 2007-06-11 2007-06-11 Eccentric abrading head for high-speed rotational atherectomy devices
US11/761,128 2007-06-11
PCT/US2008/066294 WO2008154480A1 (en) 2007-06-11 2008-06-09 Eccentric abrading head for high-speed rotational atherectomy devices

Publications (2)

Publication Number Publication Date
CA2687511A1 CA2687511A1 (en) 2008-12-18
CA2687511C true CA2687511C (en) 2013-04-02

Family

ID=40096574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2687511A Active CA2687511C (en) 2007-06-11 2008-06-09 Eccentric abrading head for high-speed rotational atherectomy devices

Country Status (8)

Country Link
US (1) US8597313B2 (https=)
EP (1) EP2155080B1 (https=)
JP (1) JP5307127B2 (https=)
CN (2) CN105455881A (https=)
AU (1) AU2008261836B2 (https=)
CA (1) CA2687511C (https=)
ES (1) ES2544255T3 (https=)
WO (1) WO2008154480A1 (https=)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0722990D0 (en) * 2007-11-23 2008-01-02 Shturman Leonid Rotational atherectomy system with enhanced distal protection capability and method of use
US8177801B2 (en) * 2008-04-18 2012-05-15 Cardiovascular Systems, Inc. Method and apparatus for increasing rotational amplitude of abrasive element on high-speed rotational atherectomy device
US8758377B2 (en) * 2008-05-30 2014-06-24 Cardiovascular Systems, Inc. Eccentric abrading and cutting head for high-speed rotational atherectomy devices
US9055966B2 (en) * 2008-05-30 2015-06-16 Cardiovascular Systems, Inc. Eccentric abrading and cutting head for high-speed rotational atherectomy devices
US8795303B2 (en) * 2009-02-02 2014-08-05 Cardiovascular Systems, Inc. Multi-material abrading head for atherectomy devices having laterally displaced center of mass
US8628550B2 (en) * 2009-02-19 2014-01-14 Cardiovascular Systems, Inc. Rotational atherectomy segmented abrading head and method to improve abrading efficiency
US8632557B2 (en) * 2009-05-12 2014-01-21 Cardiovascular Systems, Inc. Rotational atherectomy device and method to improve abrading efficiency
US8551130B2 (en) * 2010-02-18 2013-10-08 Cardiovascular Systems, Inc. Therapeutic agent delivery system, device and method for localized application of therapeutic substances to a biological conduit
US20120046600A1 (en) * 2010-02-25 2012-02-23 Cardiovascular Systems, Inc. High-speed rotational atherectomy system, device and method for localized application of therapeutic agents to a biological conduit
US9050126B2 (en) * 2010-02-26 2015-06-09 Cardiovascular Systems, Inc. Rotational atherectomy device with electric motor
US9907567B2 (en) 2010-05-04 2018-03-06 Samuel Shiber Mechanical — pharmaceutical system for opening obstructed bodily vessels
US20150094733A1 (en) 2010-05-04 2015-04-02 Samuel Shiber Rotary catheter drive unit containing seal-sets
US10952764B2 (en) 2010-05-04 2021-03-23 Samuel Shiber Rotary catheter drive unit containing seal-sets
US8876845B2 (en) * 2010-09-30 2014-11-04 Loubert Suddaby Sling blade transection of the transverse carpal ligament
DK2744424T3 (en) * 2011-08-17 2018-01-22 Samuel Shiber Adaptively rotating catheter to open clogged vessels in the body
US9289230B2 (en) * 2012-09-17 2016-03-22 Cardiovascular Systems, Inc. Rotational atherectomy device with a system of eccentric abrading heads
US9943329B2 (en) * 2012-11-08 2018-04-17 Covidien Lp Tissue-removing catheter with rotatable cutter
EP2967635B1 (en) 2013-03-12 2017-06-28 Boston Scientific Scimed, Inc. Vibration and inertia enhanced atherectomy
US9936970B2 (en) 2013-03-14 2018-04-10 Cardiovascular Systems, Inc. Devices, systems and methods for an oscillating crown drive for rotational atherectomy
US9750525B2 (en) 2013-03-14 2017-09-05 Cardiovascular Systems, Inc. Devices, systems and methods for an oscillating crown drive for rotational atherectomy
US9848907B2 (en) 2013-03-15 2017-12-26 Cardiovascular Systems, Inc. Rotational atherectomy device with biasing clutch
US20150005791A1 (en) * 2013-06-28 2015-01-01 Cardiovascular Systems, Inc. Atherectomy device having combined open/close drive shaft
US20150080795A1 (en) 2013-07-26 2015-03-19 Cardiovascular Systems, Inc. Devices, systems and methods for performing atherectomy and subsequent balloon angioplasty without exchanging devices
US9468457B2 (en) * 2013-09-30 2016-10-18 Cardiovascular Systems, Inc. Atherectomy device with eccentric crown
USD766433S1 (en) 2013-11-04 2016-09-13 Cardiovascular Systems, Inc. Eccentric crown
US9788853B2 (en) 2014-01-15 2017-10-17 Cardio Flow, Inc. Atherectomy devices and methods
US10052122B2 (en) 2014-01-17 2018-08-21 Cardiovascular Systems, Inc. Spin-to-open atherectomy device with electric motor control
US10271869B2 (en) 2014-03-01 2019-04-30 Rex Medical, L.P. Atherectomy device
EP3957259B1 (en) 2014-03-12 2023-09-27 Boston Scientific Limited Infusion lubricated atherectomy catheter
US10702300B2 (en) * 2014-07-18 2020-07-07 Cardiovascular Systems, Inc. Methods, devices and systems for slow rotation of drive shaft driven atherectomy systems
US10405878B2 (en) 2014-07-25 2019-09-10 Boston Scientific Scimed, Inc. Rotatable medical device
US10405879B2 (en) 2014-12-04 2019-09-10 Boston Scientific Scimed, Inc. Rotatable medical device
US10463389B2 (en) 2014-12-27 2019-11-05 Rex Medical, L.P. Atherectomy device
US10433868B2 (en) 2014-12-27 2019-10-08 Rex Medical, L.P. Artherectomy device
EP3679878B1 (en) 2014-12-30 2023-08-30 Bard Peripheral Vascular, Inc. Abrasive elements for rotational atherectomy systems
US10299820B2 (en) * 2015-02-20 2019-05-28 Cardiovascular Systems, Inc. Methods and systems for disrupting calcified walls of biological conduits and calcified lesions therein
US11253292B2 (en) 2015-09-13 2022-02-22 Rex Medical, L.P. Atherectomy device
US10307175B2 (en) 2016-03-26 2019-06-04 Rex Medical, L.P Atherectomy device
US10595895B2 (en) * 2016-07-19 2020-03-24 Cardiovascular Systems, Inc. Rotational medical device with airfoil
JP6964082B2 (ja) 2016-09-16 2021-11-10 テルモ株式会社 医療デバイス
AU2018250821B2 (en) * 2017-04-10 2024-03-14 The Regents Of The University Of Michigan Hydrodynamic vortex aspiration catheter
US11224458B2 (en) 2017-04-10 2022-01-18 The Regents Of The University Of Michigan Hydrodynamic vortex aspiration catheter
CN110573098B (zh) 2017-05-03 2022-08-23 美敦力瓦斯科尔勒公司 组织移除导管
US11690645B2 (en) 2017-05-03 2023-07-04 Medtronic Vascular, Inc. Tissue-removing catheter
US11147582B2 (en) 2018-06-14 2021-10-19 Cardio Flow, Inc. Atherectomy devices and methods
EP3817673B1 (en) 2018-08-07 2024-11-20 Cardio Flow, Inc. Atherectomy devices
US11730509B2 (en) 2018-10-08 2023-08-22 Cardiovascular Systems, Inc. Devices and methods for generating orbital motion in drive shafts for rotational medical devices
US11357534B2 (en) 2018-11-16 2022-06-14 Medtronic Vascular, Inc. Catheter
US11819236B2 (en) 2019-05-17 2023-11-21 Medtronic Vascular, Inc. Tissue-removing catheter
EP4061257A1 (en) * 2019-11-20 2022-09-28 Boston Scientific Scimed, Inc. Composite atherectomy burr
BR112022018038A2 (pt) 2020-03-12 2023-01-17 Mdt Micro Diamond Tech Ltd Corte de extremidade de escova endodôntica
JP7489546B2 (ja) * 2020-11-02 2024-05-23 バード・ペリフェラル・バスキュラー・インコーポレーテッド 研磨要素を有する軌道アテローム切除システム
CA3210625A1 (en) 2021-03-01 2022-09-09 Scott J. Baron Aspiration devices for treatment of thrombosis including expandable distal ends and systems and methods thereof
CN113663202B (zh) * 2021-04-26 2026-04-24 上海申淇医疗科技股份有限公司 一种医疗装置
CN114916997B (zh) * 2022-05-31 2025-11-04 上海微创旋律医疗科技有限公司 旋磨装置及旋磨设备
CN115153766A (zh) * 2022-08-12 2022-10-11 上海融脉医疗科技有限公司 一种可更换式磨削端头结构
US12053192B2 (en) 2022-09-01 2024-08-06 Endovascular Engineering, Inc. Systems, devices, and methods for aspiration, including expandable structures and rotatable shafts
US12004771B1 (en) 2023-06-27 2024-06-11 Cardio Flow, Inc. Rotational atherectomy devices and methods

Family Cites Families (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4445509A (en) 1982-02-04 1984-05-01 Auth David C Method and apparatus for removal of enclosed abnormal deposits
US5007896A (en) 1988-12-19 1991-04-16 Surgical Systems & Instruments, Inc. Rotary-catheter for atherectomy
US5041082A (en) 1986-06-16 1991-08-20 Samuel Shiber Mechanical atherectomy system and method
US5443443A (en) 1984-05-14 1995-08-22 Surgical Systems & Instruments, Inc. Atherectomy system
US4646736A (en) 1984-09-10 1987-03-03 E. R. Squibb & Sons, Inc. Transluminal thrombectomy apparatus
CA1293663C (en) 1986-01-06 1991-12-31 David Christopher Auth Transluminal microdissection device
US4728319A (en) 1986-03-20 1988-03-01 Helmut Masch Intravascular catheter
US4883460A (en) 1988-04-25 1989-11-28 Zanetti Paul H Technique for removing deposits from body vessels
US4935025A (en) 1989-01-30 1990-06-19 Bundy Mark A Transluminal lysing device
US5431673A (en) 1989-02-17 1995-07-11 American Biomed, Inc. Distal atherectomy catheter
US5078723A (en) 1989-05-08 1992-01-07 Medtronic, Inc. Atherectomy device
US5226909A (en) 1989-09-12 1993-07-13 Devices For Vascular Intervention, Inc. Atherectomy device having helical blade and blade guide
US5116352A (en) 1989-10-06 1992-05-26 Angiomed Ag Apparatus for removing deposits from vessels
US5009659A (en) * 1989-10-30 1991-04-23 Schneider (Usa) Inc. Fiber tip atherectomy catheter
US5026384A (en) 1989-11-07 1991-06-25 Interventional Technologies, Inc. Atherectomy systems and methods
US5030201A (en) 1989-11-24 1991-07-09 Aubrey Palestrant Expandable atherectomy catheter device
US5158564A (en) 1990-02-14 1992-10-27 Angiomed Ag Atherectomy apparatus
US5267955A (en) 1990-05-10 1993-12-07 Lake Region Manufacturing Company, Inc. Atherectomy device
US5395311A (en) 1990-05-14 1995-03-07 Andrews; Winston A. Atherectomy catheter
US5242460A (en) * 1990-10-25 1993-09-07 Devices For Vascular Intervention, Inc. Atherectomy catheter having axially-disposed cutting edge
US5217474A (en) 1991-07-15 1993-06-08 Zacca Nadim M Expandable tip atherectomy method and apparatus
ATE191325T1 (de) * 1991-07-15 2000-04-15 Nadim M Zacca Vorrichtung zur arterienentfernung und angioplastie
FR2685190B1 (fr) 1991-12-23 1998-08-07 Jean Marie Lefebvre Dispositif rotatif d'atherectomie ou de thrombectomie a developpement transversal centrifuge.
US5192291A (en) 1992-01-13 1993-03-09 Interventional Technologies, Inc. Rotationally expandable atherectomy cutter assembly
US5224945A (en) 1992-01-13 1993-07-06 Interventional Technologies, Inc. Compressible/expandable atherectomy cutter
WO1993024017A1 (en) 1992-05-22 1993-12-09 Unilever N.V. Bloom-inhibiting fat blends
CA2107741C (en) 1992-10-07 2000-06-27 Peter T. Keith Ablation devices and methods of use
US5360432A (en) 1992-10-16 1994-11-01 Shturman Cardiology Systems, Inc. Abrasive drive shaft device for directional rotational atherectomy
US5643297A (en) 1992-11-09 1997-07-01 Endovascular Instruments, Inc. Intra-artery obstruction clearing apparatus and methods
US5501694A (en) 1992-11-13 1996-03-26 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5540707A (en) 1992-11-13 1996-07-30 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5490859A (en) 1992-11-13 1996-02-13 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5836868A (en) 1992-11-13 1998-11-17 Scimed Life Systems, Inc. Expandable intravascular occlusion material removal devices and methods of use
US5336464A (en) 1992-11-20 1994-08-09 Hoechst Celanese Corporation Extrusion blow molding of thermotropic liquid crystalline polymers
US5372602A (en) 1992-11-30 1994-12-13 Device For Vascular Intervention, Inc. Method of removing plaque using catheter cutter with torque control
US5584843A (en) 1994-12-20 1996-12-17 Boston Scientific Corporation Shaped wire multi-burr rotational ablation device
US5681336A (en) 1995-09-07 1997-10-28 Boston Scientific Corporation Therapeutic device for treating vien graft lesions
US5695506A (en) 1996-02-06 1997-12-09 Devices For Vascular Intervention Catheter device with a flexible housing
WO1997046164A1 (en) 1996-06-07 1997-12-11 Scieran Technologies, Inc. An apparatus and method for performing ophthalmic procedures
US5843103A (en) 1997-03-06 1998-12-01 Scimed Life Systems, Inc. Shaped wire rotational atherectomy device
US6015420A (en) * 1997-03-06 2000-01-18 Scimed Life Systems, Inc. Atherectomy device for reducing damage to vessels and/or in-vivo stents
US6183487B1 (en) 1997-03-06 2001-02-06 Scimed Life Systems, Inc. Ablation device for reducing damage to vessels and/or in-vivo stents
US6494890B1 (en) 1997-08-14 2002-12-17 Shturman Cardiology Systems, Inc. Eccentric rotational atherectomy device
US6132444A (en) 1997-08-14 2000-10-17 Shturman Cardiology Systems, Inc. Eccentric drive shaft for atherectomy device and method for manufacture
GB9717580D0 (en) 1997-08-19 1997-10-22 Curry Paul Device for opening blocked tubes
US6146395A (en) 1998-03-05 2000-11-14 Scimed Life Systems, Inc. Ablation burr
US6096054A (en) * 1998-03-05 2000-08-01 Scimed Life Systems, Inc. Expandable atherectomy burr and method of ablating an occlusion from a patient's blood vessel
US6001112A (en) 1998-04-10 1999-12-14 Endicor Medical, Inc. Rotational atherectomy device
US6019772A (en) 1998-09-21 2000-02-01 Arteria Medical Sciences, Inc. Atherectomy device
WO2003043685A2 (en) 2001-11-19 2003-05-30 Cardiovascular Systems, Inc High torque, low profile intravascular guidewire system
WO2004100772A2 (en) * 2003-05-12 2004-11-25 University Of Florida Devices and methods for disruption and removal of luninal occlusions
WO2006084256A2 (en) * 2005-02-02 2006-08-10 Peacock James C Total vascular occlusion treatment system and method
US20070213753A1 (en) * 2006-03-08 2007-09-13 Wilson-Cook Medical Inc. Stent-cleaning assembly and method

Also Published As

Publication number Publication date
EP2155080A4 (en) 2012-02-22
ES2544255T3 (es) 2015-08-28
JP2010528817A (ja) 2010-08-26
CN105455881A (zh) 2016-04-06
US8597313B2 (en) 2013-12-03
AU2008261836B2 (en) 2013-12-19
AU2008261836A1 (en) 2008-12-18
JP5307127B2 (ja) 2013-10-02
CA2687511A1 (en) 2008-12-18
CN101711131A (zh) 2010-05-19
US20080306498A1 (en) 2008-12-11
EP2155080B1 (en) 2015-05-06
EP2155080A1 (en) 2010-02-24
WO2008154480A1 (en) 2008-12-18

Similar Documents

Publication Publication Date Title
CA2687511C (en) Eccentric abrading head for high-speed rotational atherectomy devices
US8758377B2 (en) Eccentric abrading and cutting head for high-speed rotational atherectomy devices
CA2755424C (en) Rotational atherectomy device and method to improve abrading efficiency
US8348965B2 (en) Rotational atherectomy device with counterweighting
CA2773923C (en) Eccentric abrading and cutting head for high-speed rotational atherectomy devices
CA2750079C (en) Rotational atherectomy segmented abrading head and method to improve abrading efficiency
US8702735B2 (en) Eccentric abrading element for high-speed rotational atherectomy devices
HK1151962B (en) Eccentric abrading and cutting head for high-speed rotational atherectomy devices
HK1151962A (en) Eccentric abrading and cutting head for high-speed rotational atherectomy devices

Legal Events

Date Code Title Description
EEER Examination request
W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: A-4-4-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20251022

H13 Ip right lapsed

Free format text: ST27 STATUS EVENT CODE: N-4-6-H10-H13-H100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: MAINTENANCE FEE AND LATE FEE NOT PAID BY DEADLINE OF NOTICE

Effective date: 20260203

W00 Other event occurred

Free format text: ST27 STATUS EVENT CODE: N-6-6-W10-W00-W100 (AS PROVIDED BY THE NATIONAL OFFICE); EVENT TEXT: LETTER SENT

Effective date: 20260205