JP7309688B2 - 医療デバイス - Google Patents
医療デバイス Download PDFInfo
- Publication number
- JP7309688B2 JP7309688B2 JP2020508229A JP2020508229A JP7309688B2 JP 7309688 B2 JP7309688 B2 JP 7309688B2 JP 2020508229 A JP2020508229 A JP 2020508229A JP 2020508229 A JP2020508229 A JP 2020508229A JP 7309688 B2 JP7309688 B2 JP 7309688B2
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- Prior art keywords
- medical device
- dilator
- elongated body
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- 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
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
-
- 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
- A61B18/1487—Trocar-like, i.e. devices producing an enlarged transcutaneous opening
-
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/005—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids
-
- 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
- A61M25/06—Body-piercing guide needles or the like
- A61M25/065—Guide needles
-
- 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
- A61M29/00—Dilators with or without means for introducing media, e.g. remedies
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/00234—Surgical instruments, devices or methods, e.g. tourniquets for minimally invasive surgery
- A61B2017/00238—Type of minimally invasive operation
- A61B2017/00243—Type of minimally invasive operation cardiac
- A61B2017/00247—Making holes in the wall of the heart, e.g. laser Myocardial revascularization
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B2017/00831—Material properties
- A61B2017/00867—Material properties shape memory effect
-
- 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
- A61B2018/00315—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for treatment of particular body parts
- A61B2018/00345—Vascular system
- A61B2018/00351—Heart
- A61B2018/0038—Foramen ovale
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00577—Ablation
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00595—Cauterization
-
- 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
- A61B2018/00571—Surgical instruments, devices or methods for transferring non-mechanical forms of energy to or from the body for achieving a particular surgical effect
- A61B2018/00601—Cutting
-
- 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
- A61B2018/1497—Electrodes covering only part of the probe circumference
-
- 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
- A61M2210/00—Anatomical parts of the body
- A61M2210/12—Blood circulatory system
- A61M2210/122—Pericardium
Description
21、80、90 出力部、
22 導電部、
40 ダイレータ(長尺体)、
41 シャフト部、
42 テーパー部、
43 接続部、
45 ルーメン、
50 芯材、
H 孔、
O 卵円窩(生体組織)。
Claims (10)
- 生体内の生体組織に孔を形成するための医療デバイスであって、
樹脂製の中空の長尺体と、
前記長尺体の周方向の一部に配置され、前記長尺体の長軸方向へ延在する金属製の芯材と、
前記長尺体の遠位部に配置され、エネルギーを出力して前記生体組織に孔を形成する出力部と、を有し、
前記芯材は、前記長尺体の内周面と外周面の間に埋設され、
前記芯材は、導電性を有し、前記出力部へ電気的に接続され、
前記長尺体は、周方向の全体の外径が遠位側へ向かって減少するテーパー部と、前記テーパー部の近位側に位置して外径が略一定のシャフト部と、を有し、
前記出力部は、前記長尺体の少なくとも遠位端に配置され、かつ前記テーパー部の先端側の外周面に配置される医療デバイス。 - 前記出力部は、前記長尺体の周方向に360度未満の範囲で配置される請求項1に記載の医療デバイス。
- 前記長尺体は、所定の角度で曲がったシャフト曲げ部を有し、
前記シャフト曲げ部の曲がった軸心が位置する断面において、前記長尺体の軸心に対して前記シャフト曲げ部が曲がって凸状となる側は、前記長尺体の軸心に対して前記出力部が配置される側と一致する請求項1または2に記載の医療デバイス。 - 前記長尺体は、遠位端から近位端へ貫通するルーメンが形成されたダイレータである請求項1~3のいずれか1項に記載の医療デバイス。
- 前記芯材は、導電部を介して前記出力部と電気的に接続され、
前記テーパー部の近位部に、前記芯材および導電部を接続した接続部が位置する請求項1~4のいずれか1項に記載の医療デバイス。 - 前記テーパー部およびシャフト部は、異なる部材であり、接合されている請求項1~5のいずれか1項に記載の医療デバイス。
- 前記芯材は、前記長尺体の軸心と略平行に配置される請求項1~6のいずれか1項に記載の医療デバイス。
- 前記長尺体の軸心と直交する断面における前記長尺体の面積は、当該断面における全ての前記芯材の総面積よりも大きい請求項1~7のいずれか1項に記載の医療デバイス。
- 前記芯材は、少なくとも2つ設けられ、前記長尺体の周方向へ均等に配置される請求項1~8のいずれか1項に記載の医療デバイス。
- 前記芯材は、中実である請求項1~9のいずれか1項に記載の医療デバイス。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023110742A JP2023123818A (ja) | 2018-03-20 | 2023-07-05 | 医療デバイス |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2018052243 | 2018-03-20 | ||
JP2018052243 | 2018-03-20 | ||
PCT/JP2019/009729 WO2019181611A1 (ja) | 2018-03-20 | 2019-03-11 | 医療デバイス |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023110742A Division JP2023123818A (ja) | 2018-03-20 | 2023-07-05 | 医療デバイス |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019181611A1 JPWO2019181611A1 (ja) | 2021-03-25 |
JP7309688B2 true JP7309688B2 (ja) | 2023-07-18 |
Family
ID=67987798
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020508229A Active JP7309688B2 (ja) | 2018-03-20 | 2019-03-11 | 医療デバイス |
JP2023110742A Pending JP2023123818A (ja) | 2018-03-20 | 2023-07-05 | 医療デバイス |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023110742A Pending JP2023123818A (ja) | 2018-03-20 | 2023-07-05 | 医療デバイス |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210000538A1 (ja) |
EP (1) | EP3769708B1 (ja) |
JP (2) | JP7309688B2 (ja) |
WO (1) | WO2019181611A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA3167407A1 (en) * | 2020-02-11 | 2021-08-19 | John Paul Urbanski | Medical dilator |
CA3171227A1 (en) * | 2020-03-20 | 2021-09-23 | Boston Scientific Medical Device Limited | Needle assembly for forming hole through biological wall |
US20230190330A1 (en) * | 2020-06-18 | 2023-06-22 | Boston Scientific Medical Device Limited | Energy-emitting devices for elongated medical assembly |
US20210401481A1 (en) * | 2020-06-25 | 2021-12-30 | Covidien Lp | Inductively heated perforator with suction |
EP4056221A1 (de) * | 2021-03-09 | 2022-09-14 | SoftRail Medical AG | Schlauchvorrichtung und verfahren zum selektiven versteifen einer schlauchvorrichtung |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2554849B2 (ja) | 1992-06-30 | 1996-11-20 | ヴァリーラブ・インコーポレーテッド | 電気外科用管状トロカール |
JP2016513520A (ja) | 2013-03-15 | 2016-05-16 | ベイリス メディカル カンパニー インコーポレイテッドBaylis Medical Company Inc. | 遠位開口部を有する電気外科手術デバイス |
WO2018047901A1 (ja) | 2016-09-09 | 2018-03-15 | テルモ株式会社 | 医療デバイスおよび処置方法 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20060241366A1 (en) * | 2002-10-31 | 2006-10-26 | Gary Falwell | Electrophysiology loop catheter |
US8192425B2 (en) | 2006-09-29 | 2012-06-05 | Baylis Medical Company Inc. | Radiofrequency perforation apparatus |
US20150134047A1 (en) * | 2011-11-07 | 2015-05-14 | Micell Technologies, Inc. | Safe drug eluting stent with absorbable coating |
EP3636164A1 (en) * | 2012-05-17 | 2020-04-15 | Boston Scientific Scimed Inc. | Devices for access across adjacent tissue layers |
JP2014155597A (ja) * | 2013-02-15 | 2014-08-28 | Hitachi Metals Ltd | カテーテル内電線 |
US9949652B2 (en) * | 2013-10-25 | 2018-04-24 | Ablative Solutions, Inc. | Apparatus for effective ablation and nerve sensing associated with denervation |
CA3190740A1 (en) * | 2014-03-24 | 2015-10-01 | Boston Scientific Medical Device Limited | Medical apparatus for fluid communication |
JP6339145B2 (ja) | 2016-09-28 | 2018-06-06 | 本田技研工業株式会社 | 能動型防振装置 |
JP6917381B2 (ja) * | 2016-09-30 | 2021-08-11 | テルモ株式会社 | 医療デバイス |
-
2019
- 2019-03-11 EP EP19772141.8A patent/EP3769708B1/en active Active
- 2019-03-11 JP JP2020508229A patent/JP7309688B2/ja active Active
- 2019-03-11 WO PCT/JP2019/009729 patent/WO2019181611A1/ja unknown
-
2020
- 2020-09-17 US US17/023,584 patent/US20210000538A1/en active Pending
-
2023
- 2023-07-05 JP JP2023110742A patent/JP2023123818A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2554849B2 (ja) | 1992-06-30 | 1996-11-20 | ヴァリーラブ・インコーポレーテッド | 電気外科用管状トロカール |
JP2016513520A (ja) | 2013-03-15 | 2016-05-16 | ベイリス メディカル カンパニー インコーポレイテッドBaylis Medical Company Inc. | 遠位開口部を有する電気外科手術デバイス |
WO2018047901A1 (ja) | 2016-09-09 | 2018-03-15 | テルモ株式会社 | 医療デバイスおよび処置方法 |
Also Published As
Publication number | Publication date |
---|---|
US20210000538A1 (en) | 2021-01-07 |
EP3769708A4 (en) | 2021-04-28 |
WO2019181611A1 (ja) | 2019-09-26 |
EP3769708A1 (en) | 2021-01-27 |
JPWO2019181611A1 (ja) | 2021-03-25 |
JP2023123818A (ja) | 2023-09-05 |
EP3769708B1 (en) | 2022-07-27 |
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