JP6822640B2 - 圧力感知カテーテル及び関連方法 - Google Patents
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- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
- A61B5/021—Measuring pressure in heart or blood vessels
- A61B5/0215—Measuring pressure in heart or blood vessels by means inserted into the body
- A61B5/02158—Measuring pressure in heart or blood vessels by means inserted into the body provided with two or more sensor elements
-
- 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
- A61M25/0108—Steering means as part of the catheter or advancing means; Markers for positioning using radio-opaque or ultrasound markers
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/06—Measuring instruments not otherwise provided for
- A61B2090/064—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension
- A61B2090/065—Measuring instruments not otherwise provided for for measuring force, pressure or mechanical tension for measuring contact or contact pressure
-
- 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
- A61B5/6853—Catheters with a balloon
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- A—HUMAN NECESSITIES
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- 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
- A61B5/6855—Catheters with a distal curved tip
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- A—HUMAN NECESSITIES
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- 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
- A61B5/6857—Catheters with a distal pigtail shape
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- A—HUMAN NECESSITIES
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- 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
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
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- 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
- A61M2025/0001—Catheters; Hollow probes for pressure measurement
- A61M2025/0003—Catheters; Hollow probes for pressure measurement having an additional lumen transmitting fluid pressure to the outside for measurement
-
- 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
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- Health & Medical Sciences (AREA)
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- Media Introduction/Drainage Providing Device (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Description
圧力又は他の特性を感知及び/又は測定するためのマルチルーメンカテーテルが、関連方法と共に本明細書に開示される。
Claims (12)
- カテーテルであって、
本体部分が、
前記本体部分に沿って中央に配置された主ルーメンと、
前記カテーテルの第1のルーメンと流体連通している少なくとも1つのポートを有する遠位部分であって、第1の放射線濃度を有する、遠位部分と、
前記カテーテルの第2のルーメンと流体連通している少なくとも1つのポートを有する近位部分であって、第2の放射線濃度を有する、近位部分と、
前記近位部分と前記遠位部分との間に配設された中間部分であって、第3の放射線濃度を有する、中間部分と、
前記本体部分の近位端に配置された、一体化された圧力読み出しハウジングと、を備え、
前記本体部分の近位端は、前記主ルーメンから延在する主近位管、前記第1のルーメンから延在する第1の管、及び前記第2のルーメンから延在する第2の管で終端し、各管の一部は前記一体化された圧力読み出しハウジング内に配置され、各管の一部は前記一体化された圧力読み出しハウジング外に配置され、
第1のインライン圧力センサが、前記一体化された圧力読み出しハウジング内に配置されて前記第1の管の前記第1のルーメンと連通し、第2のインライン圧力センサが、前記一体化された圧力読み出しハウジング内に配置されて前記第2の管の前記第2のルーメンと連通し、
前記第3の放射線濃度が、前記第1の放射線濃度及び前記第2の放射線濃度の両方と異なり、
前記中間部分が、前記遠位部分及び前記近位部分の両方よりも放射線濃度が低い、カテーテル。 - 前記第1のルーメン及び前記第2のルーメンが、互いに流体連通していない、請求項1に記載のカテーテル。
- 前記カテーテルが非拘束状態にあるとき、前記中間部分が屈曲部を備える、請求項1又は2に記載のカテーテル。
- 前記カテーテルが非拘束状態にあるとき、前記中間部分の前記屈曲部が、130°〜170°の角度を形成する、請求項3に記載のカテーテル。
- 前記近位部分が、前記遠位部分のデュロメータ硬度よりも大きいデュロメータ硬度を有する、請求項1〜4のいずれか一項に記載のカテーテル。
- 前記中間部分が、前記遠位部分の前記デュロメータ硬度よりも大きいデュロメータ硬度を有する、請求項1〜5のいずれか一項に記載のカテーテル。
- 前記近位部分が、前記中間部分の前記デュロメータ硬度よりも大きいデュロメータ硬度を有する、請求項1〜6のいずれか一項に記載のカテーテル。
- 前記近位部分が、90〜100ショアDのデュロメータ硬度を有し、前記中間部分が、65〜80ショアDのデュロメータ硬度を有し、前記遠位部分が、45〜55ショアDのデュロメータ硬度を有する、請求項1〜7のいずれか一項に記載のカテーテル。
- 第1の細長い管と、前記第1の細長い管内に少なくとも部分的に配設されている第2の細長い管とを更に備え、前記第1の細長い管及び前記第2の細長い管が、前記カテーテルの前記近位部分の少なくとも一部を形成する、請求項1〜8のいずれか一項に記載のカテーテル。
- 前記第1の細長い管から前記第2の細長い管まで径方向内側に延在する複数の隔壁と、
前記複数の隔壁によって、少なくとも部分的に画定される複数の径方向ルーメンであって、前記中間部分の近位にかつ前記第1の細長い管と前記第2の細長い管との間に配設される、複数の径方向ルーメンと、を更に備える、請求項9に記載のカテーテル。 - 前記中間部分の少なくとも一部を形成する細長い管状カテーテル先端と、
前記カテーテルの前記近位部分と前記カテーテルの前記中間部分との間の移行部分であって、前記第1の細長い管と前記第2の細長い管との間に配設され、かつこれらの両方に融合された前記カテーテル先端の一部を備える、移行部分と、を更に備える、請求項9〜10のいずれか一項に記載のカテーテル。 - 前記近位部分が、前記近位部分の周囲を螺旋状に取り巻く複数のポートを備え、
前記近位部分の前記複数のポートが、前記カテーテルの第2のルーメンと流体連通している前記少なくとも1つのポートを含む、請求項1〜11のいずれか一項に記載のカテーテル。
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US201562121606P | 2015-02-27 | 2015-02-27 | |
US62/121,606 | 2015-02-27 | ||
US201662278803P | 2016-01-14 | 2016-01-14 | |
US62/278,803 | 2016-01-14 | ||
PCT/US2016/019564 WO2016138263A1 (en) | 2015-02-27 | 2016-02-25 | Pressure-sensing catheters and related methods |
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JP2018507723A JP2018507723A (ja) | 2018-03-22 |
JP2018507723A5 JP2018507723A5 (ja) | 2018-07-12 |
JP6822640B2 true JP6822640B2 (ja) | 2021-01-27 |
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US (1) | US10702672B2 (ja) |
EP (1) | EP3261701B1 (ja) |
JP (1) | JP6822640B2 (ja) |
AU (1) | AU2016222643B2 (ja) |
WO (1) | WO2016138263A1 (ja) |
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- 2016-02-25 EP EP16756357.6A patent/EP3261701B1/en active Active
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WO2016138263A1 (en) | 2016-09-01 |
AU2016222643A1 (en) | 2017-08-31 |
JP2018507723A (ja) | 2018-03-22 |
US20160250444A1 (en) | 2016-09-01 |
EP3261701B1 (en) | 2022-01-05 |
AU2016222643B2 (en) | 2020-10-15 |
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EP3261701A1 (en) | 2018-01-03 |
US10702672B2 (en) | 2020-07-07 |
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