JP5508190B2 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- JP5508190B2 JP5508190B2 JP2010179826A JP2010179826A JP5508190B2 JP 5508190 B2 JP5508190 B2 JP 5508190B2 JP 2010179826 A JP2010179826 A JP 2010179826A JP 2010179826 A JP2010179826 A JP 2010179826A JP 5508190 B2 JP5508190 B2 JP 5508190B2
- Authority
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- Prior art keywords
- tubular member
- tube
- catheter
- operation wire
- wire insertion
- 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.)
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- 238000003780 insertion Methods 0.000 claims description 50
- 230000037431 insertion Effects 0.000 claims description 50
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 230000035515 penetration Effects 0.000 claims 1
- 230000004308 accommodation Effects 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 6
- 229910000679 solder Inorganic materials 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 239000004952 Polyamide Substances 0.000 description 3
- 229920002647 polyamide Polymers 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 210000004204 blood vessel Anatomy 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- 229920002530 polyetherether ketone Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001040 Beta-titanium Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004721 Polyphenylene oxide Substances 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 206010003119 arrhythmia Diseases 0.000 description 1
- 230000006793 arrhythmia Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Images
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
- A61M25/0147—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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/24—Detecting, measuring or recording bioelectric or biomagnetic signals of the body or parts thereof
- A61B5/25—Bioelectric electrodes therefor
- A61B5/279—Bioelectric electrodes therefor specially adapted for particular uses
- A61B5/28—Bioelectric electrodes therefor specially adapted for particular uses for electrocardiography [ECG]
- A61B5/283—Invasive
-
- 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
-
- 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
- A61M25/09—Guide wires
-
- 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
- A61B18/14—Probes or electrodes therefor
- A61B18/1492—Probes or electrodes therefor having a flexible, catheter-like structure, e.g. for heart ablation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6847—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive mounted on an invasive device
- A61B5/6852—Catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/68—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient
- A61B5/6846—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive
- A61B5/6867—Arrangements of detecting, measuring or recording means, e.g. sensors, in relation to patient specially adapted to be brought in contact with an internal body part, i.e. invasive specially adapted to be attached or implanted in a specific body part
- A61B5/6869—Heart
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/0036—Multi-lumen catheters with stationary elements with more than four lumina
-
- 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
- A61M25/0021—Catheters; Hollow probes characterised by the form of the tubing
- A61M25/0023—Catheters; Hollow probes characterised by the form of the tubing by the form of the lumen, e.g. cross-section, variable diameter
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M2025/004—Multi-lumen catheters with stationary elements characterized by lumina being arranged circumferentially
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Pulmonology (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Mechanical Engineering (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Measuring Leads Or Probes (AREA)
Description
実施形態1に係るカテーテルは、先端偏向操作が可能な電極カテーテルであり、たとえば心臓における不整脈の診断または治療に用いることができる。図1は、実施形態1に係るカテーテルの概略側面図であり、図2は、実施形態1に係るカテーテルの概略平面図である。図3は、図1のA−A線上の概略断面図である。なお、図3では、操作用ワイヤ50a,50bの図示を省略している。
Claims (9)
- 管状部材と、
前記管状部材の中心軸に沿って前記管状部材の内部に設けられ、一方が前記中心軸に対してずれて配置され、他方が前記中心軸に対して前記一方とは反対の方向にずれて配置されている一対の棒バネと、
前記管状部材の中心軸に沿って前記管状部材の内部に設けられ、前記一対の棒バネの中心軸を通る仮想平面の一方の面側および他方の面側の少なくとも一方に配置されている操作用ワイヤ挿通用通路と、
前記操作用ワイヤ挿通用通路にスライド可能に挿通され、一方の端部が前記管状部材の遠位端近傍に接続された操作用ワイヤと、
前記管状部材の内部に設けられた、前記操作用ワイヤ挿通用通路を含む複数の通路を形成するための複数のチューブ部と、を備え、
前記複数のチューブ部の少なくとも一部は、前記管状部材の円周方向に並ぶとともに隣接するチューブ部同士が外接するように配置されていることを特徴とするカテーテル。 - 前記複数のチューブ部の少なくとも1つは、前記仮想平面の一方の面側および他方の面側にまたがるように配置されている請求項1に記載のカテーテル。
- 操作用ワイヤ挿通用チューブ部が前記仮想平面から離間するように配置されている請求項1または2に記載のカテーテル。
- 前記円周方向に並ぶチューブ部は、前記管状部材の中心軸を中心とする仮想略円に内接するように配置されている請求項1乃至3のいずれか1項に記載のカテーテル。
- 前記一対の棒バネは、前記円周方向に並ぶチューブ部のうち隣接する2つのチューブ部と前記仮想略円とで囲まれた領域に配置されている請求項4に記載のカテーテル。
- 前記一対の棒バネは、前記管状部材の中心軸に垂直な断面の形状が略円形であり、前記2つのチューブ部に外接するとともに前記仮想略円に内接するように配置されている請求項5に記載のカテーテル。
- 前記一対の棒バネは、その軸方向に延びる外周面の少なくとも一部が前記管状部材に埋め込まれている請求項1乃至6のいずれか1項に記載のカテーテル。
- 前記複数のチューブ部は、第1〜第5チューブ部と第1および第2操作用ワイヤ挿通用チューブ部とを含み、
第1チューブ部が前記管状部材の中心軸を含むように配置され、第2および第3チューブ部とその間に配置されている第1操作用ワイヤ挿通用チューブ部とが前記仮想平面の一方の面側に配置され、第4および第5チューブ部とその間に配置されている第2操作用ワイヤ挿通用チューブ部とが前記仮想平面の他方の面側に配置され、第2〜第5チューブ部と第1および第2操作用ワイヤ挿通用チューブ部とが第1チューブ部を囲むように設けられている請求項1乃至7のいずれか1項に記載のカテーテル。 - 遠位端領域に複数の電極を備え、
前記複数の通路のうち、操作用ワイヤ挿通用通路以外の少なくとも一部の通路に前記複数の電極用の導線が挿通されている請求項1乃至8のいずれか1項に記載のカテーテル。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010179826A JP5508190B2 (ja) | 2010-08-10 | 2010-08-10 | カテーテル |
CN201180039141.9A CN103079626B (zh) | 2010-08-10 | 2011-03-18 | 探针 |
PCT/JP2011/001651 WO2012020521A1 (ja) | 2010-08-10 | 2011-03-18 | カテーテル |
KR1020127033099A KR101455493B1 (ko) | 2010-08-10 | 2011-03-18 | 카테터 |
TW100120123A TWI435739B (zh) | 2010-08-10 | 2011-06-09 | 導管 |
HK13111334.7A HK1183831A1 (en) | 2010-08-10 | 2013-10-08 | Catheter |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010179826A JP5508190B2 (ja) | 2010-08-10 | 2010-08-10 | カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012034971A JP2012034971A (ja) | 2012-02-23 |
JP5508190B2 true JP5508190B2 (ja) | 2014-05-28 |
Family
ID=45567498
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010179826A Active JP5508190B2 (ja) | 2010-08-10 | 2010-08-10 | カテーテル |
Country Status (6)
Country | Link |
---|---|
JP (1) | JP5508190B2 (ja) |
KR (1) | KR101455493B1 (ja) |
CN (1) | CN103079626B (ja) |
HK (1) | HK1183831A1 (ja) |
TW (1) | TWI435739B (ja) |
WO (1) | WO2012020521A1 (ja) |
Families Citing this family (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5697273B2 (ja) * | 2013-07-25 | 2015-04-08 | 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 |
JP6196110B2 (ja) * | 2013-09-25 | 2017-09-13 | テルモ株式会社 | 医療用の長尺部材 |
WO2015088733A1 (en) | 2013-12-10 | 2015-06-18 | St. Jude Medical, Atrial Fibrillation Division, Inc. | Catheter curve shape strut |
US9572666B2 (en) | 2014-03-17 | 2017-02-21 | Evalve, Inc. | Mitral valve fixation device removal devices and methods |
JP6600468B2 (ja) * | 2015-02-24 | 2019-10-30 | 日本ライフライン株式会社 | カテーテル |
US10376673B2 (en) | 2015-06-19 | 2019-08-13 | Evalve, Inc. | Catheter guiding system and methods |
JPWO2017154172A1 (ja) * | 2016-03-10 | 2019-01-10 | オリンパス株式会社 | 軟性処置具および医療用チューブ |
US10736632B2 (en) | 2016-07-06 | 2020-08-11 | Evalve, Inc. | Methods and devices for valve clip excision |
US10661052B2 (en) | 2016-07-29 | 2020-05-26 | Cephea Valve Technologies, Inc. | Intravascular device delivery sheath |
US10974027B2 (en) | 2016-07-29 | 2021-04-13 | Cephea Valve Technologies, Inc. | Combination steerable catheter and systems |
US10646689B2 (en) | 2016-07-29 | 2020-05-12 | Cephea Valve Technologies, Inc. | Mechanical interlock for catheters |
US10639151B2 (en) | 2016-07-29 | 2020-05-05 | Cephea Valve Technologies, Inc. | Threaded coil |
US11324495B2 (en) | 2016-07-29 | 2022-05-10 | Cephea Valve Technologies, Inc. | Systems and methods for delivering an intravascular device to the mitral annulus |
US10933216B2 (en) * | 2016-08-29 | 2021-03-02 | Cephea Valve Technologies, Inc. | Multilumen catheter |
US11045315B2 (en) | 2016-08-29 | 2021-06-29 | Cephea Valve Technologies, Inc. | Methods of steering and delivery of intravascular devices |
US11109967B2 (en) | 2016-08-29 | 2021-09-07 | Cephea Valve Technologies, Inc. | Systems and methods for loading and deploying an intravascular device |
US10874512B2 (en) | 2016-10-05 | 2020-12-29 | Cephea Valve Technologies, Inc. | System and methods for delivering and deploying an artificial heart valve within the mitral annulus |
US11071564B2 (en) | 2016-10-05 | 2021-07-27 | Evalve, Inc. | Cardiac valve cutting device |
US10363138B2 (en) | 2016-11-09 | 2019-07-30 | Evalve, Inc. | Devices for adjusting the curvature of cardiac valve structures |
US10631981B2 (en) | 2016-11-15 | 2020-04-28 | Cephea Valve Technologies, Inc. | Delivery catheter distal cap |
JP6864965B2 (ja) * | 2018-03-23 | 2021-04-28 | 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 |
US12102531B2 (en) | 2018-10-22 | 2024-10-01 | Evalve, Inc. | Tissue cutting systems, devices and methods |
US11724068B2 (en) | 2018-11-16 | 2023-08-15 | Cephea Valve Technologies, Inc. | Intravascular delivery system |
JP7261290B2 (ja) * | 2019-03-18 | 2023-04-19 | 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 |
US12048448B2 (en) | 2020-05-06 | 2024-07-30 | Evalve, Inc. | Leaflet grasping and cutting device |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06133921A (ja) * | 1992-10-23 | 1994-05-17 | Olympus Optical Co Ltd | 可撓管の湾曲機構とそのアクチュエータ製造方法 |
US6123699A (en) * | 1997-09-05 | 2000-09-26 | Cordis Webster, Inc. | Omni-directional steerable catheter |
JP3623894B2 (ja) * | 1999-04-13 | 2005-02-23 | ペンタックス株式会社 | 体内留置型内視鏡 |
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 |
-
2010
- 2010-08-10 JP JP2010179826A patent/JP5508190B2/ja active Active
-
2011
- 2011-03-18 KR KR1020127033099A patent/KR101455493B1/ko active IP Right Grant
- 2011-03-18 WO PCT/JP2011/001651 patent/WO2012020521A1/ja active Application Filing
- 2011-03-18 CN CN201180039141.9A patent/CN103079626B/zh active Active
- 2011-06-09 TW TW100120123A patent/TWI435739B/zh not_active IP Right Cessation
-
2013
- 2013-10-08 HK HK13111334.7A patent/HK1183831A1/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
WO2012020521A1 (ja) | 2012-02-16 |
CN103079626B (zh) | 2015-04-22 |
HK1183831A1 (en) | 2014-01-10 |
JP2012034971A (ja) | 2012-02-23 |
KR20130041817A (ko) | 2013-04-25 |
TW201206513A (en) | 2012-02-16 |
CN103079626A (zh) | 2013-05-01 |
KR101455493B1 (ko) | 2014-10-27 |
TWI435739B (zh) | 2014-05-01 |
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