JP2001516230A - 切除用のカテーテル - Google Patents
切除用のカテーテルInfo
- Publication number
- JP2001516230A JP2001516230A JP54064197A JP54064197A JP2001516230A JP 2001516230 A JP2001516230 A JP 2001516230A JP 54064197 A JP54064197 A JP 54064197A JP 54064197 A JP54064197 A JP 54064197A JP 2001516230 A JP2001516230 A JP 2001516230A
- Authority
- JP
- Japan
- Prior art keywords
- catheter
- resection
- electrode
- probe
- conductor
- 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.)
- Ceased
Links
- 238000002271 resection Methods 0.000 title claims description 34
- 239000000523 sample Substances 0.000 claims abstract description 40
- 239000004020 conductor Substances 0.000 claims abstract description 32
- 238000002679 ablation Methods 0.000 claims abstract description 25
- 239000003146 anticoagulant agent Substances 0.000 claims description 3
- 229940127219 anticoagulant drug Drugs 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 210000005242 cardiac chamber Anatomy 0.000 abstract description 5
- 239000012777 electrically insulating material Substances 0.000 abstract description 2
- 238000007675 cardiac surgery Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000000747 cardiac effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000019622 heart disease Diseases 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000003902 lesion Effects 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 239000005528 B01AC05 - Ticlopidine Substances 0.000 description 1
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004299 exfoliation Methods 0.000 description 1
- 229960002897 heparin Drugs 0.000 description 1
- 229920000669 heparin Polymers 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- PHWBOXQYWZNQIN-UHFFFAOYSA-N ticlopidine Chemical compound ClC1=CC=CC=C1CN1CC(C=CS2)=C2CC1 PHWBOXQYWZNQIN-UHFFFAOYSA-N 0.000 description 1
- 229960005001 ticlopidine Drugs 0.000 description 1
Classifications
-
- 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
- A61B18/1485—Probes or electrodes therefor having a short rigid shaft for accessing the inner body through natural openings
-
- 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
- A61B18/18—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves
- A61B18/1815—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body by applying electromagnetic radiation, e.g. microwaves using microwaves
-
- 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
- A61B2018/0091—Handpieces of the surgical instrument or device
- A61B2018/00916—Handpieces of the surgical instrument or device with means for switching or controlling the main function of the instrument or device
- A61B2018/0094—Types of switches or controllers
- A61B2018/00952—Types of switches or controllers rotatable
Landscapes
- Health & Medical Sciences (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Otolaryngology (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Plasma & Fusion (AREA)
- Physics & Mathematics (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)
- Surgical Instruments (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.切除用のカテーテルであって、 プローブ(2)と、当該プローブに対して移動できるように当該プローブに取 り付けられた電極(3)と、前記電極を移動させるための、遠隔操作されるアク チュエーター手段(4)とを備えていることを特徴とする切除用のカテーテル。 2.請求項1に記載の切除用のカテーテルにおいて、 前記電極(3)に接続された細長い導体(10)を備えていることを特徴とす る切除用のカテーテル。 3.請求項2に記載の切除用のカテーテルにおいて、 絶縁手段(16、2a)が、前記導体(10)の周囲に設けられていることを 特徴とする切除用のカテーテル。 4.請求項3に記載の切除用のカテーテルにおいて、 前記絶縁手段(16、2a)は、管状のシースを備えており、 前記環状のシースは、前記アクチュエーター手段(4)から前記電極(3)に 実質的に長手方向に伸長しており、前記プローブに形成されたの細長い溝(9、 30)に収容されていることを特徴とする切除用のカテーテル。 5.請求項4に記載の切除用のカテーテルにおいて、 前記電極(3)の軸線方向への摺動は、シースに入れられた導体(2a)を、 前記電極から遠く離れた前記導体の端で、軸線方向に移動させることによって、 もたらされていることを特徴とする切除用のカテーテル。 6.請求項3に記載の切除用のカテーテルにおいて、 前記プローブは、シャフト部(7)を備えており、 前記絶縁手段は、前記シャフト部で軸線方向に摺動可能な絶縁スリーブを備え ており、 前記導体(10)は、前記シャフト部(7)と前記絶縁スリーブ(2a)との 間で長手方向に伸長しており、 前記絶縁スリーブは、前記プローブの後方部(8)に形成された凹部(30) 内に、少なくとも部分的に引っ込み可能になっていることを特徴とする切除用の カテーテル。 7.請求項6に記載の切除用のカテーテルにおいて、 前記凹部は、前記プローブの後方部(8)に形成された環状のボア(30)を 備えていることを特徴とする切除用のカテーテル。 8.請求項4または5のいずれか1項に記載の切除用のカテーテルにおいて、長 手方向に伸長する前記溝は、前記プローブの外面に形成された表面溝(9)を 備えていることを特徴とする切除用のカテーテル。 9.請求項1ないし8のいずれか1項に記載の切除用のカテーテルにおいて、前 記プローブはチップ(6)を備えており、 前記チップの少なくとも一部は、電極(28、29)を含んでいることを特徴 とする切除用のカテーテル。 10.請求項9に記載の切除用のカテーテルにおいて、 前記プローブのチップ(6)に含まれる前記電極(29)は、前記プローブの チップ(6)の前方端に配置されていることを特徴とする切除用のカテーテル。 11.請求項9に記載の切除用のカテーテルにおいて、 前記プローブのチップ(6)に含まれる前記電極は、前記プローブのチップ( 6)の前方端の後方(28)に配置されていることを特徴とする切除用のカテー テル。 12.請求項1ないし11のいずれか1項に記載の切除用のカテーテルにおいて 、 前記電極のアクチュエーター手段(4)を作動させることによって、前記導体 (10)が軸線方向に変位し、それによって、前記電極(3)が軸線方向に変位 することを特徴とする切除用のカテーテル。 13.請求項12に記載の切除用のカテーテルにおいて、 前記電極のアクチュエーター手段(4)は、ラチェット機構(27)を備えて いることを特徴とする切除用のカテーテル。 14.請求項1ないし13のいずれか1項に記載の切除用のカテーテルにおいて 、 前記切除用のカテーテルの非電極部分は、抗凝固性の材料でコーティングされ ていることを特徴とする切除用のカテーテル。 15.請求項1ないし14のいずれか1項に記載の切除用のカテーテルにおいて 、 前記移動可能な電極(3)は、多構成要素の形態からなる電極(3a、3b) となっていることを特徴とする切除用のカテーテル。 16.請求項1ないし15のいずれか1項に記載の切除用のカテーテルと、前記 切除用のカテーテルに接続された、制御される熱エネルギー源(15)との組み 合わせ。 17.請求項16に記載の組み合わせにおいて、 前記熱エネルギー源(15)は、無線周波数電気エネルギー源、レーザーエネ ルギー源、またはマイクロ波エネルギー源を備えていることを特徴とする組み合 わせ。 18.添付した図面のうち図1を参照して、実質的に上で説明したような切除用 のカテーテル。 19.添付した図面のうち図3を参照して、実質的に上で説明したような切除用 のカテーテル。 20.添付した図面のうち図4を参照して上で説明されたように実質的に変更さ れた、添付した図面のうち図1または3を参照して、実質的に上で説明したよう な切除用のカテーテル。 21.添付した図面のうち図2を参照して上で説明されたように実質的に変更さ れた、添付した図面のうち図1または3を参照して、実質的に上で説明したよう な切除用のカテーテル。 22.添付した図面のうち図5を参照して上で説明されたように実質的に変更さ れた、添付した図面のうち図1または3を参照して、実質的に上で説明したよう な切除用のカテーテル。 23.請求項1ないし22のいずれか1項に記載の切除用のカテーテルと、前記 切除用のカテーテルに接続された熱エネルギー源との組み合わせ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9609866.0A GB9609866D0 (en) | 1996-05-11 | 1996-05-11 | Ablation catheter |
GB9609866.0 | 1996-05-11 | ||
PCT/GB1997/001270 WO1997042893A1 (en) | 1996-05-11 | 1997-05-09 | Ablation catheter |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2001516230A true JP2001516230A (ja) | 2001-09-25 |
JP2001516230A5 JP2001516230A5 (ja) | 2005-01-13 |
Family
ID=10793540
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP54064197A Ceased JP2001516230A (ja) | 1996-05-11 | 1997-05-09 | 切除用のカテーテル |
Country Status (7)
Country | Link |
---|---|
US (2) | US6245066B1 (ja) |
EP (1) | EP0906064B1 (ja) |
JP (1) | JP2001516230A (ja) |
DE (1) | DE69725981T2 (ja) |
ES (1) | ES2210522T3 (ja) |
GB (1) | GB9609866D0 (ja) |
WO (1) | WO1997042893A1 (ja) |
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US10980523B1 (en) * | 2019-11-01 | 2021-04-20 | Stephanie Toy | Medical device to access pericardial space with control |
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US452220A (en) | 1891-05-12 | gunning | ||
US5720718A (en) * | 1992-08-12 | 1998-02-24 | Vidamed, Inc. | Medical probe apparatus with enhanced RF, resistance heating, and microwave ablation capabilities |
IT1266217B1 (it) | 1993-01-18 | 1996-12-27 | Xtrode Srl | Elettrocatetere per la mappatura e l'intervento su cavita' cardiache. |
US5366476A (en) * | 1993-04-02 | 1994-11-22 | Laparomed Corporation | Handle for laparoscopic instrument |
AU6821994A (en) * | 1993-05-05 | 1994-11-21 | Arrow International Investment Corp. | Electrode-carrying catheter and method of making same |
SE9401267D0 (sv) * | 1994-04-14 | 1994-04-14 | Siemens Elema Ab | Elektrodanordning |
US5885278A (en) * | 1994-10-07 | 1999-03-23 | E.P. Technologies, Inc. | Structures for deploying movable electrode elements |
US5722401A (en) * | 1994-10-19 | 1998-03-03 | Cardiac Pathways Corporation | Endocardial mapping and/or ablation catheter probe |
US5800482A (en) * | 1996-03-06 | 1998-09-01 | Cardiac Pathways Corporation | Apparatus and method for linear lesion ablation |
-
1996
- 1996-05-11 GB GBGB9609866.0A patent/GB9609866D0/en active Pending
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1997
- 1997-05-09 JP JP54064197A patent/JP2001516230A/ja not_active Ceased
- 1997-05-09 US US09/180,636 patent/US6245066B1/en not_active Expired - Lifetime
- 1997-05-09 WO PCT/GB1997/001270 patent/WO1997042893A1/en active IP Right Grant
- 1997-05-09 EP EP97920877A patent/EP0906064B1/en not_active Expired - Lifetime
- 1997-05-09 DE DE69725981T patent/DE69725981T2/de not_active Expired - Lifetime
- 1997-05-09 ES ES97920877T patent/ES2210522T3/es not_active Expired - Lifetime
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2001
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GB9609866D0 (en) | 1996-07-17 |
DE69725981D1 (de) | 2003-12-11 |
DE69725981T2 (de) | 2004-09-02 |
WO1997042893A1 (en) | 1997-11-20 |
US6245066B1 (en) | 2001-06-12 |
US6544263B2 (en) | 2003-04-08 |
US20010012935A1 (en) | 2001-08-09 |
EP0906064B1 (en) | 2003-11-05 |
EP0906064A1 (en) | 1999-04-07 |
ES2210522T3 (es) | 2004-07-01 |
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