JP2020006210A - ダイレータ - Google Patents
ダイレータ Download PDFInfo
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- JP2020006210A JP2020006210A JP2019166194A JP2019166194A JP2020006210A JP 2020006210 A JP2020006210 A JP 2020006210A JP 2019166194 A JP2019166194 A JP 2019166194A JP 2019166194 A JP2019166194 A JP 2019166194A JP 2020006210 A JP2020006210 A JP 2020006210A
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- shaft
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- 238000004804 winding Methods 0.000 claims description 7
- 210000001035 gastrointestinal tract Anatomy 0.000 abstract description 18
- 239000011295 pitch Substances 0.000 description 61
- 229910052751 metal Inorganic materials 0.000 description 14
- 239000002184 metal Substances 0.000 description 14
- 230000004048 modification Effects 0.000 description 14
- 238000012986 modification Methods 0.000 description 14
- 239000000463 material Substances 0.000 description 10
- 229920005989 resin Polymers 0.000 description 10
- 239000011347 resin Substances 0.000 description 10
- 238000005266 casting Methods 0.000 description 7
- 210000002784 stomach Anatomy 0.000 description 7
- 210000004185 liver Anatomy 0.000 description 6
- 238000000576 coating method Methods 0.000 description 5
- 238000005219 brazing Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 239000000956 alloy Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920006122 polyamide resin Polymers 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- QCEUXSAXTBNJGO-UHFFFAOYSA-N [Ag].[Sn] Chemical compound [Ag].[Sn] QCEUXSAXTBNJGO-UHFFFAOYSA-N 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- JVPLOXQKFGYFMN-UHFFFAOYSA-N gold tin Chemical compound [Sn].[Au] JVPLOXQKFGYFMN-UHFFFAOYSA-N 0.000 description 1
- 229910001000 nickel titanium Inorganic materials 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 229920002803 thermoplastic polyurethane Polymers 0.000 description 1
Images
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
-
- 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
- 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
- A61B90/02—Devices for expanding tissue, e.g. skin tissue
-
- 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
-
- 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
- A61M25/0052—Localized reinforcement, e.g. where only a specific part of the catheter is reinforced, for rapid exchange guidewire port
-
- 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
- A61M25/0053—Catheters; Hollow probes characterised by structural features with embedded materials for reinforcement, e.g. wires, coils, braids having a variable stiffness along the longitudinal axis, e.g. by varying the pitch of the coil or braid
-
- 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
- A61M25/0067—Catheters; Hollow probes characterised by the distal end, e.g. tips
- A61M25/008—Strength or flexibility characteristics of the catheter tip
-
- 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
- A61M25/0662—Guide tubes
-
- 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
- A61B2017/00902—Material properties transparent or translucent
- A61B2017/00915—Material properties transparent or translucent for radioactive radiation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
- A61B2017/3456—Details of tips blunt
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
- A61B17/3417—Details of tips or shafts, e.g. grooves, expandable, bendable; Multiple coaxial sliding cannulas, e.g. for dilating
- A61B2017/3454—Details of tips
- A61B2017/3458—Details of tips threaded
-
- 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
- A61B90/39—Markers, e.g. radio-opaque or breast lesions markers
- A61B2090/3966—Radiopaque markers visible in an X-ray image
-
- 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
- A61M2025/006—Catheters; Hollow probes characterised by structural features having a special surface topography or special surface properties, e.g. roughened or knurled surface
-
- 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
- A61M25/0662—Guide tubes
- A61M2025/0687—Guide tubes having means for atraumatic insertion in the body or protection of the tip of the sheath during insertion, e.g. special designs of dilators, needles or sheaths
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Surgery (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Pathology (AREA)
- Dermatology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Surgical Instruments (AREA)
- Prostheses (AREA)
- Gasket Seals (AREA)
Abstract
Description
<第1実施形態>
本発明の第1実施形態について、図面を参照しつつ説明する。
図1は、本発明の第1実施形態に係るダイレータ1の全体図である。
また、図1において、図示左側が体内に挿入される先端側(遠位側)、右側が医師等の手技者によって操作される基端側(手元側、近位側)である。
図2は、第2実施形態に係るダイレータ10の先端側部分を示す図である。
また、図2において、図示左側が体内に挿入される先端側(遠位側)、右側が医師等の手技者によって操作される基端側(手元側、近位側)である。
図3は、第3実施形態に係るダイレータ20の全体図である。
また、図3において、図示左側が体内に挿入される先端側(遠位側)、右側が医師等の手技者によって操作される基端側(手元側、近位側)である。
図4は、本発明の第4実施形態に係るダイレータ30の先端側部分の一部断面図である。
また、図4において、図示左側が体内に挿入される先端側(遠位側)、右側が医師等の手技者によって操作される基端側(手元側、近位側)である。
3 第1コイル
3A、21B、31B 外周面
5 第2コイル
9 コネクタ
21、31 シャフト
22、32 螺旋状の凸部
3C、23、33 基端部
3D、24、34 テーパ部
3E、25 先端部
L1、L2、L3、L11、L12、L13、L21、L22、L23、L31、L32、La、Lb、Lc ピッチ
Claims (5)
- 中空状のシャフトと、
前記シャフトの基端に設けられた把持部と、を備えるダイレータであって、
前記シャフトは、
先端の外径が基端の外径よりも小さいテーパ部と、
前記テーパ部の先端側に設けられ先端側へ延びる先端部および前記テーパ部の基端側に設けられ基端側へ延びる基端部と、または、前記先端部を有さずに、前記テーパ部の基端側に設けられ基端側へ延びる基端部と、を有し、
前記シャフトの外周面に、螺旋状の凸部が設けられ、
前記螺旋状の凸部は、前記シャフトの軸に沿って隣り合う部分に隙間を有し、
前記シャフトが前記先端部を有しない場合、前記テーパ部に設けられた前記螺旋状の凸部の前記軸に沿って隣り合う部分のピッチは、前記基端部に設けられた前記螺旋状の凸部の前記軸に沿って隣り合う部分のピッチよりも大きく、
前記シャフトが前記先端部を有する場合、前記テーパ部に設けられた前記螺旋状の凸部の前記軸に沿って隣り合う部分のピッチは、前記先端部または前記基端部に設けられた前記螺旋状の凸部の前記軸に沿って隣り合う部分のピッチよりも大きいダイレータ。 - 前記シャフトが前記先端部を有する場合、
前記テーパ部に設けられた前記螺旋状の凸部の前記軸方向に沿って隣り合う部分のピッチは、前記先端部に設けられた前記螺旋状の凸部の前記軸方向に沿って隣り合う部分のピッチよりも大きく、かつ、前記基端部に設けられた前記螺旋状の凸部の前記軸方向に沿って隣り合う部分のピッチよりも大きい請求項1に記載のダイレータ。 - 前記シャフトが、素線を中空形状に巻き回した第1コイルから構成される請求項1または請求項2に記載のダイレータ。
- 前記螺旋状の凸部が、素線を前記シャフトの外周面に巻き回した第2コイルから構成される請求項1から請求項3のいずれか一項に記載のダイレータ。
- 前記シャフトが、素線を中空形状に巻き回した第1コイルからなり、前記螺旋状の突部が、素線を前記シャフトの外周面に巻き回した第2コイルからなり、
前記第1コイル及び前記第2コイルの各素線が互いに反対向きに巻き回されている請求項1または請求項2に記載のダイレータ。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017012024 | 2017-03-24 | ||
PCT/JP2018/011673 WO2018174242A1 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JPPCT/JP2018/011673 | 2018-03-23 | ||
JP2019508990A JP6588679B1 (ja) | 2018-03-23 | 2018-09-21 | ダイレータ |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019508990A Division JP6588679B1 (ja) | 2017-03-24 | 2018-09-21 | ダイレータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020006210A true JP2020006210A (ja) | 2020-01-16 |
JP7344059B2 JP7344059B2 (ja) | 2023-09-13 |
Family
ID=63585555
Family Applications (10)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019507019A Active JP6588676B2 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2018530811A Active JP6445745B1 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2019507020A Active JP6588677B2 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2019507021A Active JP6588678B2 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2018114163A Pending JP2018167050A (ja) | 2017-03-24 | 2018-06-15 | ダイレータ |
JP2020507310A Active JP6978583B2 (ja) | 2017-03-24 | 2018-09-21 | ダイレータ |
JP2019166153A Active JP7431001B2 (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
JP2019166194A Active JP7344059B2 (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
JP2019166177A Pending JP2019205933A (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
JP2019166112A Pending JP2020006209A (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
Family Applications Before (7)
Application Number | Title | Priority Date | Filing Date |
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JP2019507019A Active JP6588676B2 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2018530811A Active JP6445745B1 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2019507020A Active JP6588677B2 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2019507021A Active JP6588678B2 (ja) | 2017-03-24 | 2018-03-23 | ダイレータ |
JP2018114163A Pending JP2018167050A (ja) | 2017-03-24 | 2018-06-15 | ダイレータ |
JP2020507310A Active JP6978583B2 (ja) | 2017-03-24 | 2018-09-21 | ダイレータ |
JP2019166153A Active JP7431001B2 (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
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JP2019166177A Pending JP2019205933A (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
JP2019166112A Pending JP2020006209A (ja) | 2017-03-24 | 2019-09-12 | ダイレータ |
Country Status (6)
Country | Link |
---|---|
US (7) | US20200016387A1 (ja) |
EP (6) | EP3603551A4 (ja) |
JP (10) | JP6588676B2 (ja) |
KR (4) | KR102299776B1 (ja) |
CN (6) | CN110139616B (ja) |
WO (6) | WO2018174242A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2018174242A1 (ja) | 2017-03-24 | 2018-09-27 | 朝日インテック株式会社 | ダイレータ |
WO2019215827A1 (ja) * | 2018-05-09 | 2019-11-14 | 朝日インテック株式会社 | 医療用チューブ |
JP7457579B2 (ja) | 2020-06-01 | 2024-03-28 | 朝日インテック株式会社 | ダイレータ |
WO2021255906A1 (ja) * | 2020-06-18 | 2021-12-23 | 朝日インテック株式会社 | サポートデバイス |
US11471651B2 (en) * | 2020-06-22 | 2022-10-18 | Medtronic, Inc. | Balloon catheter including a guidewire tube with a friction-increasing outer coating |
CN111743619A (zh) * | 2020-08-06 | 2020-10-09 | 北京大学第三医院(北京大学第三临床医学院) | 一种扩张切开装置 |
CN115996685A (zh) * | 2020-09-03 | 2023-04-21 | 朝日英达科株式会社 | 扩张器 |
WO2023112192A1 (ja) * | 2021-12-15 | 2023-06-22 | 朝日インテック株式会社 | ダイレータ |
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