JPWO2019215827A1 - 医療用チューブ - Google Patents
医療用チューブ Download PDFInfo
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- JPWO2019215827A1 JPWO2019215827A1 JP2020517668A JP2020517668A JPWO2019215827A1 JP WO2019215827 A1 JPWO2019215827 A1 JP WO2019215827A1 JP 2020517668 A JP2020517668 A JP 2020517668A JP 2020517668 A JP2020517668 A JP 2020517668A JP WO2019215827 A1 JPWO2019215827 A1 JP WO2019215827A1
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- slit
- medical tube
- end portion
- tube
- 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.)
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Classifications
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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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M25/0054—Catheters; Hollow probes characterised by structural features with regions for increasing flexibility
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/01—Measuring temperature of body parts ; Diagnostic temperature sensing, e.g. for malignant or inflamed tissue
-
- 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
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
- A61B5/14542—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring blood gases
-
- 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
- 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
-
- 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
- A61M25/0133—Tip steering devices
- A61M25/0138—Tip steering devices having flexible regions as a result of weakened outer material, e.g. slots, slits, cuts, joints or coils
-
- 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
- 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
- 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
- A61M25/0043—Catheters; Hollow probes characterised by structural features
- A61M2025/0059—Catheters; Hollow probes characterised by structural features having means for preventing the catheter, sheath or lumens from collapsing due to outer forces, e.g. compressing forces, or caused by twisting or kinking
-
- 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
- A61M2025/09058—Basic structures of guide wires
- A61M2025/09083—Basic structures of guide wires having a coil around a core
-
- 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
- A61M2025/0915—Guide wires having features for changing the stiffness
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Biophysics (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Hematology (AREA)
- Anesthesiology (AREA)
- Pulmonology (AREA)
- Physics & Mathematics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Surgery (AREA)
- Medical Informatics (AREA)
- Cardiology (AREA)
- Vascular Medicine (AREA)
- Physiology (AREA)
- Optics & Photonics (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Abstract
Description
先ず、本発明の第1実施形態について説明する。なお、本実施形態に使用する図面は、理解を容易にするために誇張して表現されており、その寸法は実際の寸法とは異なる。特に、後述するスリットの形状は、理解を容易にする為に特に大きく記載されている。
次に、本発明の第2実施形態について説明する。なお、本実施形態に使用する図面も、理解を容易にするために誇張して表現されており、その寸法は実際の寸法とは異なる。特に、後述するスリットの形状は、理解を容易にする為に特に大きく記載されている。
次に、本発明の第3実施形態について説明する。なお、本実施形態に使用する図面も、理解を容易にするために誇張して表現されており、その寸法は実際の寸法とは異なる。特に、後述するスリットの形状は、理解を容易にする為に特に大きく記載されている。
次に、本発明の第4実施形態について説明する。なお、本実施形態に使用する図面も、理解を容易にするために誇張して表現されており、その寸法は実際の寸法とは異なる。
次に、本発明の第5実施形態について説明する。なお、本実施形態に使用する図面も、理解を容易にするために誇張して表現されており、その寸法は実際の寸法とは異なる。特に、後述するスリットの形状は、理解を容易にする為に特に大きく記載されている。
次に、本発明の第6実施形態について説明する。なお、本実施形態に使用する図面も、理解を容易にするために誇張して表現されており、その寸法は実際の寸法とは異なる。特に、後述するスリットの形状は、理解を容易にする為に特に大きく記載されている。
2,42,52・・・内管シャフト
3,13,23,33,43,53・・・医療用チューブ
4・・・先端部
5,15,25,45,55・・・外管シャフト
4a,5a,15a,25a・・・ルーメン
6,7,17,27,37,47,57・・・スリット
8,48,58・・・基端部
9・・・開口
35・・・中空撚線
37・・・凹み
Claims (5)
- 基端部と、その基端部の先端側に形成され、前記基端部の外径よりも小さい外径を有し、表面に第1の方向に延びる第1スリットが形成された先端部と、を有する第1中空シャフトと、
前記第1中空シャフトの前記先端部の外周を覆い、表面に前記第1の方向と交差する第2の方向に延びる第2スリットが形成された第2中空シャフトと、
を備えたことを特徴とする医療用チューブ。 - 前記第1中空シャフトに形成された前記第1スリット及び前記第2中空シャフトに形成された前記第2スリットは螺旋状に延びていることを特徴とする請求項1に記載の医療用チューブ。
- 前記第2中空シャフトに形成された前記第2スリットの螺旋方向を、前記第1中空シャフトに形成された前記第1スリットの螺旋方向に対して反対方向としたことを特徴とする請求項2に記載の医療用チューブ。
- 前記第2中空シャフトは、単一または複数の素線を撚って形成された中空撚線で形成されていることを特徴とする請求項2または請求項3に記載の医療用チューブ。
- 前記第1中空シャフトの前記先端部の外周を覆った状態における前記第2中空シャフトの先端の外径は、前記第1中空シャフトの前記基端部の外径よりも小さいことを特徴とする請求項1乃至請求項4の何れかに記載の医療用チューブ。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2018/017886 WO2019215827A1 (ja) | 2018-05-09 | 2018-05-09 | 医療用チューブ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2019215827A1 true JPWO2019215827A1 (ja) | 2020-12-10 |
JP6906104B2 JP6906104B2 (ja) | 2021-07-21 |
Family
ID=68467481
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020517668A Active JP6906104B2 (ja) | 2018-05-09 | 2018-05-09 | 医療用チューブ |
Country Status (6)
Country | Link |
---|---|
US (1) | US20200330734A1 (ja) |
EP (1) | EP3791916A4 (ja) |
JP (1) | JP6906104B2 (ja) |
KR (1) | KR20200071749A (ja) |
CN (1) | CN111447967B (ja) |
WO (1) | WO2019215827A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112353526A (zh) * | 2019-12-25 | 2021-02-12 | 上海微创医疗器械(集团)有限公司 | 一种栓塞保护装置 |
KR102530566B1 (ko) * | 2020-09-03 | 2023-05-11 | 전남대학교산학협력단 | 웨이-포인트 기반 생체의 강내 병변부 치료물질 전달 시스템 및 웨이-포인트 경로 데이터 생성 방법 |
CN112156324B (zh) * | 2020-10-22 | 2022-05-13 | 艾柯医疗器械(北京)有限公司 | 医用导管及其制备方法 |
WO2022083676A1 (zh) * | 2020-10-22 | 2022-04-28 | 艾柯医疗器械(北京)有限公司 | 医用导管及其制备方法 |
CN112674835B (zh) * | 2020-12-07 | 2022-04-08 | 上海璞慧医疗器械有限公司 | 一种取栓装置 |
WO2024033706A1 (en) * | 2022-08-11 | 2024-02-15 | Petrus Antonius Besselink | Flexible and steerable device with adjustable floppiness |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07323090A (ja) * | 1994-05-31 | 1995-12-12 | Terumo Corp | 医療用チューブ |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0386921A3 (en) * | 1989-03-02 | 1991-07-31 | Microspring Company, Inc. | Torque transmitter |
JPH07178176A (ja) * | 1993-12-24 | 1995-07-18 | Terumo Corp | カテーテル |
JP3970341B2 (ja) * | 1994-06-20 | 2007-09-05 | テルモ株式会社 | 血管カテーテル |
DE19544233A1 (de) | 1995-11-28 | 1997-06-05 | Hoechst Ag | Verfahren zur Nutzung des Hefe-ADH II-Promotorsystems zur biotechnologischen Produktion heterologer Proteine in hohen Ausbeuten |
US6001117A (en) * | 1998-03-19 | 1999-12-14 | Indigo Medical, Inc. | Bellows medical construct and apparatus and method for using same |
JP2002355313A (ja) * | 2001-03-29 | 2002-12-10 | Nippon Zeon Co Ltd | カテーテルチューブおよびバルーンカテーテル |
AUPR847301A0 (en) * | 2001-10-26 | 2001-11-15 | Cook Incorporated | Endoluminal prostheses for curved lumens |
US7785273B2 (en) * | 2003-09-22 | 2010-08-31 | Boston Scientific Scimed, Inc. | Guidewire with reinforcing member |
EP1656963B1 (en) * | 2004-11-10 | 2007-11-21 | Creganna Technologies Limited | Stent delivery catheter assembly |
US20070083132A1 (en) * | 2005-10-11 | 2007-04-12 | Sharrow James S | Medical device coil |
US8292827B2 (en) * | 2005-12-12 | 2012-10-23 | Boston Scientific Scimed, Inc. | Micromachined medical devices |
US8556914B2 (en) * | 2006-12-15 | 2013-10-15 | Boston Scientific Scimed, Inc. | Medical device including structure for crossing an occlusion in a vessel |
WO2010102105A1 (en) * | 2009-03-06 | 2010-09-10 | Cook Incorporated | Reinforced rapid exchange catheter |
CA2808202C (en) | 2010-11-09 | 2013-11-05 | Opsens Inc. | Guidewire with internal pressure sensor |
EP2711042B1 (en) * | 2011-05-17 | 2019-06-26 | Terumo Kabushiki Kaisha | Medical tube, catheter, and method for producing medical tube |
US10029076B2 (en) * | 2012-02-28 | 2018-07-24 | Covidien Lp | Intravascular guidewire |
JP5917279B2 (ja) * | 2012-05-07 | 2016-05-11 | 株式会社グッドマン | 医療用シャフトおよび医療用器具 |
CN103961785A (zh) * | 2013-01-31 | 2014-08-06 | 朝日英达科株式会社 | 开缝管以及使用了该开缝管的导丝 |
WO2014174661A1 (ja) * | 2013-04-26 | 2014-10-30 | テルモ株式会社 | 医療用長尺体 |
JP5948535B1 (ja) * | 2015-05-29 | 2016-07-06 | 株式会社エフエムディ | 医療用ガイドワイヤ |
WO2017087149A1 (en) * | 2015-11-18 | 2017-05-26 | Heraeus Deutschland GmbH & Co. KG | Signal and torque transmitting torque coil |
CN113181513B (zh) * | 2016-03-10 | 2023-05-12 | 朝日英达科株式会社 | 导丝 |
US10391274B2 (en) * | 2016-07-07 | 2019-08-27 | Brian Giles | Medical device with distal torque control |
EP3603551A4 (en) * | 2017-03-24 | 2020-11-11 | Asahi Intecc Co., Ltd. | DILATOR |
-
2018
- 2018-05-09 WO PCT/JP2018/017886 patent/WO2019215827A1/ja unknown
- 2018-05-09 KR KR1020207013376A patent/KR20200071749A/ko not_active Application Discontinuation
- 2018-05-09 CN CN201880079528.9A patent/CN111447967B/zh active Active
- 2018-05-09 EP EP18917661.3A patent/EP3791916A4/en active Pending
- 2018-05-09 JP JP2020517668A patent/JP6906104B2/ja active Active
-
2020
- 2020-07-01 US US16/918,471 patent/US20200330734A1/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07323090A (ja) * | 1994-05-31 | 1995-12-12 | Terumo Corp | 医療用チューブ |
Also Published As
Publication number | Publication date |
---|---|
CN111447967A (zh) | 2020-07-24 |
EP3791916A1 (en) | 2021-03-17 |
KR20200071749A (ko) | 2020-06-19 |
US20200330734A1 (en) | 2020-10-22 |
WO2019215827A1 (ja) | 2019-11-14 |
EP3791916A4 (en) | 2021-12-15 |
CN111447967B (zh) | 2022-08-05 |
JP6906104B2 (ja) | 2021-07-21 |
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