JP7138189B2 - 圧力センサ付き医療装置 - Google Patents
圧力センサ付き医療装置 Download PDFInfo
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- JP7138189B2 JP7138189B2 JP2020551926A JP2020551926A JP7138189B2 JP 7138189 B2 JP7138189 B2 JP 7138189B2 JP 2020551926 A JP2020551926 A JP 2020551926A JP 2020551926 A JP2020551926 A JP 2020551926A JP 7138189 B2 JP7138189 B2 JP 7138189B2
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- Prior art keywords
- pressure
- optical fiber
- tubular member
- medical device
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- 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
- A61B5/02154—Measuring pressure in heart or blood vessels by means inserted into the body by optical transmission
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
- A61B5/0082—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes
- A61B5/0084—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence adapted for particular medical purposes for introduction into the body, e.g. by catheters
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- 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
- A61B5/6851—Guide 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
- A61M25/09—Guide wires
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/02—Details of sensors specially adapted for in-vivo measurements
- A61B2562/0247—Pressure sensors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2562/00—Details of sensors; Constructional details of sensor housings or probes; Accessories for sensors
- A61B2562/12—Manufacturing methods specially adapted for producing sensors for in-vivo measurements
-
- 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
- A61M2025/0002—Catheters; Hollow probes for pressure measurement with a pressure sensor at the distal end
-
- 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
- A61M2025/09133—Guide wires having specific material compositions or coatings; Materials with specific mechanical behaviours, e.g. stiffness, strength to transmit torque
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/3616—Holders, macro size fixtures for mechanically holding or positioning fibres, e.g. on an optical bench
- G02B6/3624—Fibre head, e.g. fibre probe termination
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Biophysics (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Cardiology (AREA)
- Physiology (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring Fluid Pressure (AREA)
Description
上記の実施形態のいずれかに代えて又はそれに加えて、管状部材は、実質的に一定の外径を有する。
上記の実施形態のいずれかに代えて又はそれに加えて、1つ以上のファイバブラッググレーティングが光ファイバに沿って配置される。
上記の実施形態のいずれかに代えて又はそれに加えて、反射面は、ポリマー部材に沿って配置されたコーティングを含む。
上記の実施形態のいずれかに代えて又はそれに加えて、コーティングは、ポリマー部材の遠位端に配置される。
上記の実施形態のいずれかに代えて又はそれに加えて、管状部材は、実質的に一定の外径を有する。
上記の実施形態のいずれかに代えて又はそれに加えて、1つ以上のファイバブラッググレーティングが光ファイバに沿って配置される。
上記の実施形態のいずれかに代えて又はそれに加えて、反射性コーティングは、圧力センサの遠位端に配置される。
いくつかの実施形態の上記の概要は、本開示の開示された各実施形態又はすべての実施を説明することを意図していない。以下の図面及び詳細な説明は、これらの実施形態をより具体的に例示する。
以下に定義された用語については、請求項又は本明細書の他の場所で異なる定義が与えられていない限り、これらの定義が適用されるものとする。
本明細書及び添付の特許請求の範囲で使用する場合、単数形「1つの」、「その」、及び「前記」は、内容が明らかに別様に指示しない限り、複数の指示対象を含む。本明細書及び添付の特許請求の範囲で使用する場合、用語「又は」は、概して、内容が明確に別様に指示しない限り、「及び/又は」を含む意味で使用される。
Claims (14)
- 近位領域及びハウジング領域を有する管状部材;
管状部材内に配置されてハウジング領域まで延びる光ファイバであって、内部にキャビティが形成された遠位端領域を有する光ファイバ;
キャビティを満たすようにキャビティ内に配置されたポリマー部材であって、圧力変化に反応性を有するポリマー部材;及び
ポリマー部材の遠位端に沿って配置された反射面
を含む、圧力感知医療装置。 - 管状部材の近位領域は第1の内径を有し、管状部材のハウジング領域は第2の内径を有し、第1の内径は第2の内径とは異なる、請求項1に記載の圧力感知医療装置。
- 第1の内径は第2の内径よりも小さい、請求項2に記載の圧力感知医療装置。
- 管状部材は、実質的に一定の外径を有する、請求項3に記載の圧力感知医療装置。
- 光ファイバは、実質的に一定の外径を有する、請求項1~4のいずれか一項に記載の圧力感知医療装置。
- 1つ以上のファイバブラッググレーティングが光ファイバに沿って配置されている、請求項1~5のいずれか一項に記載の圧力感知医療装置。
- 反射面は、ポリマー部材に沿って配置されたコーティングを含む、請求項1~6のいずれか一項に記載の圧力感知医療装置。
- コーティングは金属を含む、請求項7に記載の圧力感知医療装置。
- コーティングは、ポリマー部材の遠位端に配置されている、請求項7又は8に記載の圧力感知医療装置。
- 近位領域及び圧力センサハウジング領域を有する管状部材;
管状部材内に配置され、圧力センサハウジング領域まで延びる光ファイバ;
圧力センサは、光ファイバの遠位端領域における、圧力変化に反応性を有するポリマーで満たされたキャビティによって画定されること;及び
圧力センサのポリマーの遠位端に沿って配置された反射性コーティング
を含む、圧力感知ガイドワイヤ。 - 管状部材の近位領域は第1の内径を有し、管状部材の圧力センサハウジング領域は第2の内径を有し、第1の内径は第2の内径よりも小さく、管状部材は実質的に一定の外径を有する、請求項10に記載の圧力感知ガイドワイヤ。
- 1つ以上のファイバブラッググレーティングが光ファイバに沿って配置されている、請求項10又は11に記載の圧力感知ガイドワイヤ。
- 圧力感知ガイドワイヤを製造する方法であって、
光ファイバの遠位端領域に沿ってキャビティを形成する工程;
圧力変化に反応性を有するポリマー部材を、キャビティを満たすようにキャビティ内に配置する工程;
反射部材をポリマー部材の遠位端に結合して圧力センサを形成する工程;及び
管状部材のハウジング領域内に圧力センサを配置する工程
を含む方法。 - 光ファイバに沿って1つ以上のファイバブラッググレーティングを配置することをさらに含む、請求項13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201862653921P | 2018-04-06 | 2018-04-06 | |
US62/653,921 | 2018-04-06 | ||
PCT/US2019/026055 WO2019195721A1 (en) | 2018-04-06 | 2019-04-05 | Medical device with pressure sensor |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021516589A JP2021516589A (ja) | 2021-07-08 |
JP7138189B2 true JP7138189B2 (ja) | 2022-09-15 |
Family
ID=66251862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020551926A Active JP7138189B2 (ja) | 2018-04-06 | 2019-04-05 | 圧力センサ付き医療装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US11559213B2 (ja) |
EP (1) | EP3773182B1 (ja) |
JP (1) | JP7138189B2 (ja) |
CN (1) | CN112292074B (ja) |
WO (1) | WO2019195721A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN117617913B (zh) * | 2024-01-25 | 2024-06-18 | 浙江巴泰医疗科技有限公司 | 压力导丝 |
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EP3773182B1 (en) | 2023-08-09 |
US20190307338A1 (en) | 2019-10-10 |
JP2021516589A (ja) | 2021-07-08 |
EP3773182A1 (en) | 2021-02-17 |
CN112292074A (zh) | 2021-01-29 |
WO2019195721A1 (en) | 2019-10-10 |
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