JPWO2020170582A1 - 薬剤注入カテーテル - Google Patents
薬剤注入カテーテル Download PDFInfo
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- JPWO2020170582A1 JPWO2020170582A1 JP2021501616A JP2021501616A JPWO2020170582A1 JP WO2020170582 A1 JPWO2020170582 A1 JP WO2020170582A1 JP 2021501616 A JP2021501616 A JP 2021501616A JP 2021501616 A JP2021501616 A JP 2021501616A JP WO2020170582 A1 JPWO2020170582 A1 JP WO2020170582A1
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- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 1
- 229910002113 barium titanate Inorganic materials 0.000 description 1
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 description 1
- 210000003445 biliary tract Anatomy 0.000 description 1
- 239000000560 biocompatible material Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009954 braiding Methods 0.000 description 1
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- 229910017052 cobalt Inorganic materials 0.000 description 1
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- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
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- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
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Images
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/12—Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using 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
-
- 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
- A61M31/00—Devices for introducing or retaining media, e.g. remedies, in cavities of the body
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Biophysics (AREA)
- Pulmonology (AREA)
- Physics & Mathematics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Medical Informatics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Media Introduction/Drainage Providing Device (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
Abstract
Description
2a、2b、2a1〜2a4 患部接触検知部(患部接触検知電極)
3 針管
4 内側シャフト
5 注入具
6 超音波発生部
7 吸引具
8 樹脂製リング状部材
100 薬剤注入カテーテル
d1 樹脂製リング状部材8の内径
d2 シャフト1の内径
α シャフト1の遠位端
β 患部接触検知部の遠位端
γ 超音波発生部の遠位端
Claims (16)
- 内腔を有し近位端から遠位端へ延在し、遠位端に開口を有するシャフトと、
前記シャフトの内腔を減圧するための吸引口と、
前記シャフトの内腔に配置され、該シャフトの遠位端から突没可能である針管と、
前記シャフトの遠位端部に設けられている患部接触検知部および超音波発生部と、
を有することを特徴とする薬剤注入カテーテル。 - 前記患部接触検知部の遠位端は、前記シャフトの遠位端より遠位側にある請求項1に記載の薬剤注入カテーテル。
- 前記患部接触検知部の遠位端は、前記シャフトの遠位端より遠位側、かつ前記超音波発生部の遠位端より遠位側にある請求項2に記載の薬剤注入カテーテル。
- 前記患部接触検知部は、電極である請求項1〜3のいずれか一項に記載の薬剤注入カテーテル。
- 前記超音波発生部は、圧電材料、正極、および負極を有し、正極と負極はリング状である請求項1〜4のいずれか一項に記載の薬剤注入カテーテル。
- 前記超音波発生部は、圧電材料、正極、および負極を有し、圧電材料は、リング状である請求項1〜4のいずれか一項に記載の薬剤注入カテーテル。
- 前記超音波発生部は複数であり、前記シャフトの遠位端部に、それらが該シャフトの周方向に配置されている請求項1〜4のいずれか一項に記載の薬剤注入カテーテル。
- 前記患部接触検知部はリング状である請求項1〜7のいずれか一項に記載の薬剤注入カテーテル。
- 前記患部接触検知部は、前記超音波発生部の外方に配置されている請求項1〜8のいずれか一項に記載の薬剤注入カテーテル。
- 前記患部接触検知部は複数であり、前記シャフトの遠位端部に、それらが該シャフトの周方向に配置されている請求項1〜9のいずれか一項に記載の薬剤注入カテーテル。
- 前記シャフトの遠位端より遠位側、前記患部接触検知部の遠位端より遠位側、かつ前記超音波発生部の遠位端より遠位側に、樹脂製リング状部材が配置されている請求項1〜10のいずれか一項に記載の薬剤注入カテーテル。
- 前記樹脂製リング状部材の内径は、前記シャフトの内径より大きい請求項11に記載の薬剤注入カテーテル。
- 前記樹脂製リング状部材の厚みは、前記シャフトの厚みより小さい請求項11に記載の薬剤注入カテーテル。
- 前記針管は、屈曲部を有する請求項1〜13のいずれか一項に記載の薬剤注入カテーテル。
- 前記針管は、遠位側開口と近位側開口の他に、側部開口を有している請求項1〜14のいずれか一項に記載の薬剤注入カテーテル。
- 請求項1〜15のいずれか一項に記載の薬剤注入カテーテルの少なくとも一部を体内腔に送達させる工程と、
前記患部接触検知部により注入部位を検知する工程と、
検知された前記注入部位に前記針管を挿入する工程と、
前記シャフトの内腔を減圧する工程と、
前記針管から薬剤を注入する工程と、
前記超音波発生部から超音波を発生する工程と、
を含むことを特徴とする薬剤注入カテーテルの使用方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019027567 | 2019-02-19 | ||
JP2019027567 | 2019-02-19 | ||
PCT/JP2019/049332 WO2020170582A1 (ja) | 2019-02-19 | 2019-12-17 | 薬剤注入カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2020170582A1 true JPWO2020170582A1 (ja) | 2021-12-16 |
JP7492499B2 JP7492499B2 (ja) | 2024-05-29 |
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Publication number | Publication date |
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WO2020170582A1 (ja) | 2020-08-27 |
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