JP7044956B1 - 経皮カテーテル - Google Patents
経皮カテーテル Download PDFInfo
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- JP7044956B1 JP7044956B1 JP2022506118A JP2022506118A JP7044956B1 JP 7044956 B1 JP7044956 B1 JP 7044956B1 JP 2022506118 A JP2022506118 A JP 2022506118A JP 2022506118 A JP2022506118 A JP 2022506118A JP 7044956 B1 JP7044956 B1 JP 7044956B1
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- catheter
- peripheral ring
- tube
- outer peripheral
- blood
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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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3653—Interfaces between patient blood circulation and extra-corporal blood circuit
- A61M1/3659—Cannulae pertaining to extracorporeal circulation
-
- 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
- A61M1/00—Suction or pumping devices for medical purposes; Devices for carrying-off, for treatment of, or for carrying-over, body-liquids; Drainage systems
- A61M1/36—Other treatment of blood in a by-pass of the natural circulatory system, e.g. temperature adaptation, irradiation ; Extra-corporeal blood circuits
- A61M1/3621—Extra-corporeal blood circuits
- A61M1/3666—Cardiac or cardiopulmonary bypass, e.g. heart-lung machines
-
- 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
- A61M25/0009—Making of catheters or other medical or surgical tubes
- A61M25/0012—Making of catheters or other medical or surgical tubes with embedded structures, e.g. coils, braids, meshes, strands or radiopaque 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
- A61M25/0043—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
-
- 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
- A61M25/0102—Insertion or introduction using an inner stiffening member, e.g. stylet or push-rod
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/117—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body for assisting the heart, e.g. transcutaneous or external ventricular assist devices
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/122—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body
- A61M60/126—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel
- A61M60/13—Implantable pumps or pumping devices, i.e. the blood being pumped inside the patient's body implantable via, into, inside, in line, branching on, or around a blood vessel by means of a catheter allowing explantation, e.g. catheter pumps temporarily introduced via the vascular system
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/205—Non-positive displacement blood pumps
- A61M60/216—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller
- A61M60/226—Non-positive displacement blood pumps including a rotating member acting on the blood, e.g. impeller the blood flow through the rotating member having mainly radial components
- A61M60/232—Centrifugal pumps
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
- A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
- A61M60/38—Blood oxygenation
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
-
- 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
- A61M2207/00—Methods of manufacture, assembly or production
- A61M2207/10—Device therefor
-
- 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
- A61M25/0045—Catheters; Hollow probes characterised by structural features multi-layered, e.g. coated
-
- 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
- A61M25/0068—Static characteristics of the catheter tip, e.g. shape, atraumatic tip, curved tip or tip structure
- A61M25/007—Side holes, e.g. their profiles or arrangements; Provisions to keep side holes unblocked
-
- 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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- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hematology (AREA)
- General Health & Medical Sciences (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Cardiology (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Mechanical Engineering (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Emergency Medicine (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Abstract
Description
図2~図6を参照して、本発明の第1実施形態に係る経皮カテーテル(以下、「カテーテル」と称する)30を説明する。図2~図6は、第1実施形態に係るカテーテル30の構成の説明に供する図である。このカテーテル30は、図1の静脈側カテーテル(脱血用カテーテル)5として使用されるものである。
以下、図7~図12を参照して、第1実施形態に係るカテーテル30の製造方法について説明する。図7~図12は、第1実施形態に係るカテーテル30の製造方法を示す図である。図7~図11では、側面断面図のうち略半周分を示している。
次に、上述したカテーテル30の使用方法について説明する。図2はスタイレット50のスタイレットチューブ51をカテーテル30のルーメン30Aに挿通する前の状態、図6はスタイレットチューブ51をカテーテル30のルーメン30Aに挿通した後の状態をそれぞれ示している。
図13~図15を参照して、本発明の第2実施形態に係る経皮カテーテル(以下、「カテーテル」という。)60を説明する。図13~図15は、第2実施形態に係るカテーテル60の構成の説明に供する図である。
31 カテーテルチューブ(チューブ)、
311 補強体、
311A 補強体の先端、
312 補強層、
32 内周リング、
33 外周リング、
131 第1チューブ(チューブ)、
300 芯金、
W ワイヤー。
Claims (5)
- 血液を通すルーメンを備える経皮カテーテルであって、
交差するように編組された複数のワイヤーからなる管状の補強体、および前記補強体を被覆するように設けられる樹脂層を備えるチューブと、
前記補強体の先端を内周側および外周側から挟持する一対のリングと、を有し、
前記一対のリングの先端位置は軸方向において同一である経皮カテーテル。 - 血液を通すルーメンを備える経皮カテーテルであって、
交差するように編組された複数のワイヤーからなる管状の補強体、および前記補強体を被覆するように設けられる樹脂層を備えるチューブと、
前記補強体の先端を内周側および外周側から挟持する一対のリングと、を有し、
前記一対のリングのうち、外周側に位置する外周リングにはスリットが形成される経皮カテーテル。 - 前記一対のリングのうち、外周側に位置する外周リングの厚みは、内周側に位置する内周リングの厚みよりも薄い、請求項1または2に記載の経皮カテーテル。
- 前記一対のリングのうち、外周側に位置する外周リングは、内周側に位置する内周リングよりも柔らかい材料によって構成される、請求項1~3のいずれか1項に記載の経皮カテーテル。
- 血液を通すルーメンを備える経皮カテーテルの製造方法であって、
芯金の外周に内周リングをセッティングする工程と、
前記内周リングの外周に、交差するように編組された複数のワイヤーからなる管状の補強体を配置する工程と、
前記補強体の外周に外周リングを配置して、前記外周リングを前記芯金に対してかしめる工程と、を有する経皮カテーテルの製造方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020164487 | 2020-09-30 | ||
JP2020164487 | 2020-09-30 | ||
PCT/JP2021/034717 WO2022071041A1 (ja) | 2020-09-30 | 2021-09-22 | 経皮カテーテル |
Publications (3)
Publication Number | Publication Date |
---|---|
JP7044956B1 true JP7044956B1 (ja) | 2022-03-30 |
JPWO2022071041A1 JPWO2022071041A1 (ja) | 2022-04-07 |
JPWO2022071041A5 JPWO2022071041A5 (ja) | 2022-09-20 |
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Application Number | Title | Priority Date | Filing Date |
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JP2022506118A Active JP7044956B1 (ja) | 2020-09-30 | 2021-09-22 | 経皮カテーテル |
Country Status (3)
Country | Link |
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US (1) | US20230191014A1 (ja) |
JP (1) | JP7044956B1 (ja) |
WO (1) | WO2022071041A1 (ja) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080125752A1 (en) * | 2006-08-09 | 2008-05-29 | Boston Scientific Scimed, Inc. | Catheter assembly having a modified reinforcement layer |
JP2013081655A (ja) * | 2011-10-11 | 2013-05-09 | Asahi Intecc Co Ltd | 医療用チューブ及びこれを用いたカテーテル |
JP2014171635A (ja) * | 2013-03-08 | 2014-09-22 | Sumitomo Bakelite Co Ltd | 医療用機器、カテーテルおよび医療用機器の製造方法 |
JP2017225737A (ja) * | 2016-06-24 | 2017-12-28 | 朝日インテック株式会社 | カテーテル |
WO2018051926A1 (ja) * | 2016-09-14 | 2018-03-22 | テルモ株式会社 | カテーテル |
-
2021
- 2021-09-22 JP JP2022506118A patent/JP7044956B1/ja active Active
- 2021-09-22 WO PCT/JP2021/034717 patent/WO2022071041A1/ja active Application Filing
-
2023
- 2023-02-09 US US18/107,629 patent/US20230191014A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20080125752A1 (en) * | 2006-08-09 | 2008-05-29 | Boston Scientific Scimed, Inc. | Catheter assembly having a modified reinforcement layer |
JP2013081655A (ja) * | 2011-10-11 | 2013-05-09 | Asahi Intecc Co Ltd | 医療用チューブ及びこれを用いたカテーテル |
JP2014171635A (ja) * | 2013-03-08 | 2014-09-22 | Sumitomo Bakelite Co Ltd | 医療用機器、カテーテルおよび医療用機器の製造方法 |
JP2017225737A (ja) * | 2016-06-24 | 2017-12-28 | 朝日インテック株式会社 | カテーテル |
WO2018051926A1 (ja) * | 2016-09-14 | 2018-03-22 | テルモ株式会社 | カテーテル |
Also Published As
Publication number | Publication date |
---|---|
US20230191014A1 (en) | 2023-06-22 |
JPWO2022071041A1 (ja) | 2022-04-07 |
WO2022071041A1 (ja) | 2022-04-07 |
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