JP5542069B2 - 撮像カテーテル - Google Patents
撮像カテーテル Download PDFInfo
- Publication number
- JP5542069B2 JP5542069B2 JP2010548905A JP2010548905A JP5542069B2 JP 5542069 B2 JP5542069 B2 JP 5542069B2 JP 2010548905 A JP2010548905 A JP 2010548905A JP 2010548905 A JP2010548905 A JP 2010548905A JP 5542069 B2 JP5542069 B2 JP 5542069B2
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- Prior art keywords
- catheter
- drive cable
- slider
- proximal
- distal
- 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.)
- Expired - Fee Related
Links
- 238000003384 imaging method Methods 0.000 title claims description 57
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 230000014759 maintenance of location Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 17
- 210000004204 blood vessel Anatomy 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000002608 intravascular ultrasound Methods 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 5
- 230000001070 adhesive effect Effects 0.000 description 5
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000004417 polycarbonate Substances 0.000 description 4
- 229920000515 polycarbonate Polymers 0.000 description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 description 4
- 238000002604 ultrasonography Methods 0.000 description 4
- 239000004677 Nylon Substances 0.000 description 3
- 239000004696 Poly ether ether ketone Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000002059 diagnostic imaging Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 229920001778 nylon Polymers 0.000 description 3
- 229920002530 polyetherether ketone Polymers 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229920002614 Polyether block amide Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000001954 sterilising effect Effects 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- GQVPFRDPWURVSR-UHFFFAOYSA-N C=C=CCCCC1=CN1 Chemical compound C=C=CCCCC1=CN1 GQVPFRDPWURVSR-UHFFFAOYSA-N 0.000 description 1
- 0 CC(*C1(**)N=C1)N=C Chemical compound CC(*C1(**)N=C1)N=C 0.000 description 1
- 229920002449 FKM Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000036512 infertility Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002991 molded plastic Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012285 ultrasound imaging Methods 0.000 description 1
- 210000005166 vasculature Anatomy 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/44—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
- A61B8/4444—Constructional features of the ultrasonic, sonic or infrasonic diagnostic device related to the probe
- A61B8/445—Details of catheter construction
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pathology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Radiology & Medical Imaging (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Description
120 可撓性チューブ
125 カテーテルシース
180 摺動部材
Claims (13)
- 遠位端と、近位端と、前記遠位端と前記近位端との間の管腔と、スロットとを有するハンドルと、
前記ハンドルの前記遠位端に連結されたカテーテルシースと、
前記ハンドルの前記近位端に連結された細長いチューブと、
前記カテーテルシース及び前記ハンドルの前記管腔内に摺動自在に受け取られる撮像コアと含み、前記撮像コアは、ハイポチューブと、前記ハイポチューブ内に配置された遠位駆動ケーブルと、前記遠位駆動ケーブルの遠位部分に固定された少なくとも1つの変換器とを備え、
更に、前記細長いチューブ、及び、前記ハンドルの前記管腔内に受け取られる近位駆動ケーブルと、
前記ハンドルの前記管腔内に摺動自在に受け取られる摺動子とを備え、前記摺動子は、空洞を形成していて、前記摺動子は、前記近位駆動ケーブルと前記ハイポチューブを接続する連結器と、前記連結器を回転自在に受け取って前記ハイポチューブおよび前記近位駆動ケーブルが前記摺動子の内部で自由に回転することを可能にしているスラスト軸受と、前記スラスト軸受を前記摺動子内に保持するために前記摺動子に結合された円筒形ブッシングとを前記空洞の内部に備えており、前記連結器は、前記スラスト軸受と、前記ハイポチューブおよび前記近位駆動ケーブルの両方との間に配置されていて、
更に、前記摺動子から延び、かつ、前記ハンドルの前記スロットを通過する摺動部材を備える、
ことを特徴とするカテーテル。 - 前記細長いチューブは、30.5cm又はそれよりも大きい長さを延びることを特徴とする請求項1に記載のカテーテル。
- 前記細長いチューブは、61cm又はそれよりも大きい長さを延びることを特徴とする請求項1に記載のカテーテル。
- 前記連結器は、前記連結器を前記摺動子に対して縦方向に固定するために、前記摺動子において、溝内に受け取られる保持形態を有することを特徴とする請求項1に記載のカテーテル。
- 前記遠位駆動ケーブルは、少なくとも2つの逆巻きコイルを含むことを特徴とする請求項1に記載のカテーテル。
- 前記近位駆動ケーブルは、前記遠位駆動ケーブルよりも大きい直径を有することを特徴とする請求項1に記載のカテーテル。
- 前記近位駆動ケーブルは、前記遠位駆動ケーブルの外径よりも少なくとも4倍大きい外径を有することを特徴とする請求項6に記載のカテーテル。
- 前記摺動部材は、前記摺動子において前記空洞に流体連結されたフラッシュポートを有することを特徴とする請求項1に記載のカテーテル。
- 前記摺動部材の側面に取り付けられて前記フラッシュポートに流体連結されたLuer取付金具を更に含むことを特徴とする請求項8に記載のカテーテル。
- 前記ハンドルは、前記スロットに沿って前記撮像コアの縦方向位置を示す目盛りを含むことを特徴とする請求項1に記載のカテーテル。
- 前記ハンドルの前記遠位端に取り付けられて前記カテーテルシースの一部分を取り囲む歪み緩和部を更に含むことを特徴とする請求項1に記載のカテーテル。
- 請求項1に記載のカテーテルと、
前記細長いチューブの前記近位端と、前記近位駆動ケーブルの近位端とに連結されたモータ駆動ユニットと、
を含むことを特徴とする医療システム。 - 前記モータ駆動ユニットは、
前記細長いチューブの前記近位端に連結されたハウジングと、
前記ハウジング内で前記撮像コアの前記近位端に連結された摺動キャリッジと、
を含む、
ことを特徴とする請求項12に記載のシステム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3234808P | 2008-02-28 | 2008-02-28 | |
US61/032,348 | 2008-02-28 | ||
PCT/US2009/035477 WO2009108863A1 (en) | 2008-02-28 | 2009-02-27 | Imaging catheter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011512961A JP2011512961A (ja) | 2011-04-28 |
JP5542069B2 true JP5542069B2 (ja) | 2014-07-09 |
Family
ID=40642614
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2010548905A Expired - Fee Related JP5542069B2 (ja) | 2008-02-28 | 2009-02-27 | 撮像カテーテル |
Country Status (5)
Country | Link |
---|---|
US (1) | US8323203B2 (ja) |
EP (1) | EP2265183B1 (ja) |
JP (1) | JP5542069B2 (ja) |
CA (1) | CA2716942A1 (ja) |
WO (1) | WO2009108863A1 (ja) |
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US10028783B2 (en) | 2006-06-28 | 2018-07-24 | Kardium Inc. | Apparatus and method for intra-cardiac mapping and ablation |
US9119633B2 (en) | 2006-06-28 | 2015-09-01 | Kardium Inc. | Apparatus and method for intra-cardiac mapping and ablation |
US8906011B2 (en) | 2007-11-16 | 2014-12-09 | Kardium Inc. | Medical device for use in bodily lumens, for example an atrium |
US8167809B2 (en) | 2007-12-20 | 2012-05-01 | Silicon Valley Medical Instruments, Inc. | Imaging probe housing with fluid flushing |
US8403856B2 (en) * | 2009-03-11 | 2013-03-26 | Volcano Corporation | Rotational intravascular ultrasound probe with an active spinning element |
US8758256B2 (en) * | 2010-07-12 | 2014-06-24 | Best Medical International, Inc. | Apparatus for brachytherapy that uses a scanning probe for treatment of malignant tissue |
US11259867B2 (en) | 2011-01-21 | 2022-03-01 | Kardium Inc. | High-density electrode-based medical device system |
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-
2009
- 2009-02-26 US US12/393,937 patent/US8323203B2/en active Active
- 2009-02-27 CA CA2716942A patent/CA2716942A1/en not_active Abandoned
- 2009-02-27 JP JP2010548905A patent/JP5542069B2/ja not_active Expired - Fee Related
- 2009-02-27 WO PCT/US2009/035477 patent/WO2009108863A1/en active Application Filing
- 2009-02-27 EP EP09715084A patent/EP2265183B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2009108863A1 (en) | 2009-09-03 |
JP2011512961A (ja) | 2011-04-28 |
US20090270737A1 (en) | 2009-10-29 |
EP2265183B1 (en) | 2012-12-26 |
EP2265183A1 (en) | 2010-12-29 |
CA2716942A1 (en) | 2009-09-03 |
US8323203B2 (en) | 2012-12-04 |
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