JP7659558B2 - 電極カテーテル - Google Patents

電極カテーテル Download PDF

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Publication number
JP7659558B2
JP7659558B2 JP2022534952A JP2022534952A JP7659558B2 JP 7659558 B2 JP7659558 B2 JP 7659558B2 JP 2022534952 A JP2022534952 A JP 2022534952A JP 2022534952 A JP2022534952 A JP 2022534952A JP 7659558 B2 JP7659558 B2 JP 7659558B2
Authority
JP
Japan
Prior art keywords
coil
shaft
distal end
leaf spring
cover tube
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
JP2022534952A
Other languages
English (en)
Japanese (ja)
Other versions
JPWO2022009566A1 (https=
JPWO2022009566A5 (https=
Inventor
俊哉 木佐
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.)
Kaneka Corp
Original Assignee
Kaneka Corp
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 Kaneka Corp filed Critical Kaneka Corp
Publication of JPWO2022009566A1 publication Critical patent/JPWO2022009566A1/ja
Publication of JPWO2022009566A5 publication Critical patent/JPWO2022009566A5/ja
Application granted granted Critical
Publication of JP7659558B2 publication Critical patent/JP7659558B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0136—Handles therefor
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B18/00—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body
    • A61B18/04—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating
    • A61B18/12—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by heating by passing a current through the tissue to be heated, e.g. high-frequency current
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0147—Tip steering devices with movable mechanical means, e.g. pull wires
    • A61M2025/015—Details of the distal fixation of the movable mechanical means
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0138—Tip steering devices having flexible regions as a result of weakened outer material, e.g. slots, slits, cuts, joints or coils
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M25/00—Catheters; Hollow probes
    • A61M25/01—Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105—Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0133—Tip steering devices
    • A61M25/0144—Tip steering devices having flexible regions as a result of inner reinforcement means, e.g. struts or rods

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Biomedical Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Anesthesiology (AREA)
  • Pulmonology (AREA)
  • Hematology (AREA)
  • Biophysics (AREA)
  • Mechanical Engineering (AREA)
  • Surgery (AREA)
  • Otolaryngology (AREA)
  • Molecular Biology (AREA)
  • Medical Informatics (AREA)
  • Physics & Mathematics (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Plasma & Fusion (AREA)
  • Media Introduction/Drainage Providing Device (AREA)
JP2022534952A 2020-07-08 2021-06-02 電極カテーテル Active JP7659558B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020117631 2020-07-08
JP2020117631 2020-07-08
PCT/JP2021/021005 WO2022009566A1 (ja) 2020-07-08 2021-06-02 カテーテル

Publications (3)

Publication Number Publication Date
JPWO2022009566A1 JPWO2022009566A1 (https=) 2022-01-13
JPWO2022009566A5 JPWO2022009566A5 (https=) 2023-03-22
JP7659558B2 true JP7659558B2 (ja) 2025-04-09

Family

ID=79552368

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022534952A Active JP7659558B2 (ja) 2020-07-08 2021-06-02 電極カテーテル

Country Status (3)

Country Link
US (1) US12472330B2 (https=)
JP (1) JP7659558B2 (https=)
WO (1) WO2022009566A1 (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20240316314A1 (en) * 2021-08-19 2024-09-26 Kaneka Corporation Catheter

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019156059A1 (ja) 2018-02-06 2019-08-15 株式会社カネカ カテーテルおよびその製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5984907A (en) * 1995-06-05 1999-11-16 Ep Technologies, Inc. Transition sleeve assembly for catheters
JP4544457B2 (ja) 2004-08-26 2010-09-15 日本ライフライン株式会社 先端偏向操作可能カテーテル
JP4969289B2 (ja) * 2007-03-29 2012-07-04 日本ライフライン株式会社 先端偏向操作可能カテーテル
JP5784506B2 (ja) 2009-02-20 2015-09-24 ボストン サイエンティフィック サイムド，インコーポレイテッドＢｏｓｔｏｎ Ｓｃｉｅｎｔｉｆｉｃ Ｓｃｉｍｅｄ，Ｉｎｃ． 中間部の剛性を備えた移行領域を有する操作可能なカテーテル
JP5787394B2 (ja) 2011-03-25 2015-09-30 日本ライフライン株式会社 先端偏向操作可能カテーテル
JP6200140B2 (ja) 2012-09-24 2017-09-20 日本ライフライン株式会社 電極カテーテル

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019156059A1 (ja) 2018-02-06 2019-08-15 株式会社カネカ カテーテルおよびその製造方法

Also Published As

Publication number Publication date
WO2022009566A1 (ja) 2022-01-13
JPWO2022009566A1 (https=) 2022-01-13
US20230256203A1 (en) 2023-08-17
US12472330B2 (en) 2025-11-18

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