JP7054697B2 - カテーテル - Google Patents
カテーテル Download PDFInfo
- Publication number
- JP7054697B2 JP7054697B2 JP2019523353A JP2019523353A JP7054697B2 JP 7054697 B2 JP7054697 B2 JP 7054697B2 JP 2019523353 A JP2019523353 A JP 2019523353A JP 2019523353 A JP2019523353 A JP 2019523353A JP 7054697 B2 JP7054697 B2 JP 7054697B2
- Authority
- JP
- Japan
- Prior art keywords
- blood
- tube
- catheter
- blood feeding
- tip
- 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.)
- Active
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Classifications
-
- 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
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/003—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves
-
- 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
- A61M1/3607—Regulation parameters
-
- 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
- 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
- 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
- A61M25/0021—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
- A61M25/0026—Multi-lumen catheters with stationary elements
- A61M25/003—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves
- A61M2025/0031—Multi-lumen catheters with stationary elements characterized by features relating to least one lumen located at the distal part of the catheter, e.g. filters, plugs or valves characterized by lumina for withdrawing or delivering, i.e. used for extracorporeal circuit treatment
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Vascular Medicine (AREA)
- Pulmonology (AREA)
- Biophysics (AREA)
- Cardiology (AREA)
- Media Introduction/Drainage Providing Device (AREA)
Description
31 カテーテルチューブ、
32 第1チューブ、
33 第2チューブ、
34 第3チューブ、
41 先端チップ、
45 コネクター、
50 ダイレーター、
60、60A カテーテル、
61 送血用ルーメン、
62 脱血用ルーメン、
63 送血孔、
63a 側部、
63b 底部、
63c 先端壁、
64 脱血孔、
70 リブ、
100 カテーテル組立体。
Claims (2)
- 軸方向に延在し血液を通すためのカテーテルであって、
前記軸方向に延在する送血用ルーメンと、
前記送血用ルーメンの先端に連通する送血孔と、を有し、
前記送血孔は、前記送血用ルーメンに臨む基端側の側部が当該送血孔の底部まで切り開かれており、
前記送血孔の先端側に形成され、前記軸方向の先端側へ向けて凹状に湾曲した先端壁を有し、
前記送血孔は、平面視において、基端側から先端側に向けて徐々に幅狭になる外形形状を有しており、
前記軸方向に沿う断面において、当該カテーテルの軸線に平行な直線と前記送血孔の基端側の開口面に平行な直線とがなす角度が略90°である、カテーテル。 - 前記送血孔の先端側と前記送血孔の基端側との間に延在し、前記送血孔に対する生体組織の引っ掛かりを抑制するリブを有する、請求項1に記載のカテーテル。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017114672 | 2017-06-09 | ||
JP2017114672 | 2017-06-09 | ||
PCT/JP2018/010883 WO2018225331A1 (ja) | 2017-06-09 | 2018-03-19 | カテーテル |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2018225331A1 JPWO2018225331A1 (ja) | 2020-04-09 |
JP7054697B2 true JP7054697B2 (ja) | 2022-04-14 |
Family
ID=64566551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019523353A Active JP7054697B2 (ja) | 2017-06-09 | 2018-03-19 | カテーテル |
Country Status (3)
Country | Link |
---|---|
US (1) | US11318281B2 (ja) |
JP (1) | JP7054697B2 (ja) |
WO (1) | WO2018225331A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4072643A1 (en) * | 2019-12-09 | 2022-10-19 | The Cleveland Clinic Foundation | Apparatus and method for use of fluid flow device |
WO2022150346A1 (en) * | 2021-01-05 | 2022-07-14 | Tc1 Llc | Coaxial cannula for use with extracorporeal membrane oxygenation systems |
JPWO2023073942A1 (ja) * | 2021-10-29 | 2023-05-04 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001104486A (ja) | 1999-10-06 | 2001-04-17 | Nippon Sherwood Medical Industries Ltd | ダブルルーメンカテーテル |
JP2007521913A (ja) | 2004-02-12 | 2007-08-09 | ボストン サイエンティフィック サイムド,インコーポレイティド | 透析カテーテル先端部 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4098275A (en) * | 1975-11-28 | 1978-07-04 | Dante Vincent Consalvo | Dual flow cannula set |
US4134402A (en) * | 1976-02-11 | 1979-01-16 | Mahurkar Sakharam D | Double lumen hemodialysis catheter |
US5976114A (en) * | 1998-04-30 | 1999-11-02 | Medtronic, Inc. | Aortic cannula with reduced velocity flow-through tip |
US7850675B2 (en) * | 2004-07-20 | 2010-12-14 | Boston Scientific Scimed, Inc. | Reinforced venous access catheter |
KR101096296B1 (ko) | 2006-04-19 | 2011-12-20 | 아사히 카세이 쿠라레 메디칼 가부시키가이샤 | 체외 순환 회로의 압력 센서 |
-
2018
- 2018-03-19 WO PCT/JP2018/010883 patent/WO2018225331A1/ja active Application Filing
- 2018-03-19 JP JP2019523353A patent/JP7054697B2/ja active Active
-
2019
- 2019-10-30 US US16/668,138 patent/US11318281B2/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001104486A (ja) | 1999-10-06 | 2001-04-17 | Nippon Sherwood Medical Industries Ltd | ダブルルーメンカテーテル |
JP2007521913A (ja) | 2004-02-12 | 2007-08-09 | ボストン サイエンティフィック サイムド,インコーポレイティド | 透析カテーテル先端部 |
Also Published As
Publication number | Publication date |
---|---|
US11318281B2 (en) | 2022-05-03 |
WO2018225331A1 (ja) | 2018-12-13 |
US20200069909A1 (en) | 2020-03-05 |
JPWO2018225331A1 (ja) | 2020-04-09 |
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