JP2007144026A - 体外循環回路 - Google Patents
体外循環回路 Download PDFInfo
- Publication number
- JP2007144026A JP2007144026A JP2005345274A JP2005345274A JP2007144026A JP 2007144026 A JP2007144026 A JP 2007144026A JP 2005345274 A JP2005345274 A JP 2005345274A JP 2005345274 A JP2005345274 A JP 2005345274A JP 2007144026 A JP2007144026 A JP 2007144026A
- Authority
- JP
- Japan
- Prior art keywords
- tube
- branch
- branch tube
- extracorporeal circuit
- throttle
- 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.)
- Granted
Links
- 210000001124 body fluid Anatomy 0.000 claims abstract description 27
- 239000000126 substance Substances 0.000 claims abstract description 24
- 239000010839 body fluid Substances 0.000 claims abstract description 21
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 210000004369 blood Anatomy 0.000 abstract description 17
- 239000008280 blood Substances 0.000 abstract description 17
- 238000005345 coagulation Methods 0.000 abstract description 5
- 230000015271 coagulation Effects 0.000 abstract description 5
- 230000037452 priming Effects 0.000 abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract 1
- 239000007788 liquid Substances 0.000 description 67
- 239000000243 solution Substances 0.000 description 16
- 238000004891 communication Methods 0.000 description 9
- 230000010349 pulsation Effects 0.000 description 9
- 238000002560 therapeutic procedure Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 239000000470 constituent Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XECAHXYUAAWDEL-UHFFFAOYSA-N acrylonitrile butadiene styrene Chemical compound C=CC=C.C=CC#N.C=CC1=CC=CC=C1 XECAHXYUAAWDEL-UHFFFAOYSA-N 0.000 description 2
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 2
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 210000002381 plasma Anatomy 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 229920005992 thermoplastic resin Polymers 0.000 description 2
- 102000009027 Albumins Human genes 0.000 description 1
- 108010088751 Albumins Proteins 0.000 description 1
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 102000004127 Cytokines Human genes 0.000 description 1
- 108090000695 Cytokines Proteins 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 206010018910 Haemolysis Diseases 0.000 description 1
- 229930182556 Polyacetal Natural products 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
- 239000003146 anticoagulant agent Substances 0.000 description 1
- 229940127219 anticoagulant drug Drugs 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 229920006026 co-polymeric resin Polymers 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000004023 fresh frozen plasma Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000008588 hemolysis Effects 0.000 description 1
- 229940088597 hormone Drugs 0.000 description 1
- 239000005556 hormone Substances 0.000 description 1
- 238000001802 infusion Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 210000002751 lymph Anatomy 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000008155 medical solution Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 mucus Substances 0.000 description 1
- 210000003097 mucus Anatomy 0.000 description 1
- 239000002504 physiological saline solution Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 210000002700 urine Anatomy 0.000 description 1
Images
Landscapes
- External Artificial Organs (AREA)
Abstract
【解決手段】 体外循環回路1であって、体液或いは薬液を送液するメインチューブ10と、該メインチューブ10の途中に配置された分岐部40と、該分岐部40に接続された分岐チューブ20と、該分岐チューブ20の末端またはその途中を閉塞するように配された閉塞器具30とを有し、該分岐チューブ20の途中に少なくとも一箇所の流路断面積が縮小した絞り部21を設けたことを特徴とする。
【選択図】 図1
Description
10…メインチューブ
11…メインチューブの絞り部
12…メインチューブ絞り部との連通部
20…分岐チューブ
21…分岐チューブの絞り部
22…分岐チューブと絞り部の連通部
30…閉塞器具
40…分岐部
54…メインチューブ内の液の流れ方向
Claims (8)
- 体外循環回路であって、
体液或いは薬液を送液するメインチューブと、
前記メインチューブの途中に配置された分岐部と、
前記分岐部に接続された分岐チューブと、
前記分岐チューブの末端またはその途中を閉塞するように配された閉塞器具と、
を有し、
前記分岐チューブの途中に少なくとも一箇所の流路断面積が縮小した絞り部を設けたことを特徴とする体外循環回路。 - 前記分岐チューブの非絞り部の流路断面積は、前記絞り部の流路断面積の1.5倍以上であることを特徴とする請求項1に記載の体外循環回路。
- 前記分岐チューブの非絞り部の流路断面積が7mm2以上、且つ51mm2以下であり、前記絞り部の流路断面積が3mm2以上、且つ30mm2以下であり、前記絞り部の長手方向の長さが30mm以下であることを特徴とする請求項1または請求項2に記載の体外循環回路。
- 前記分岐チューブの途中に絞り部が複数あり、該分岐チューブ上の絞り部相互の離間間隔が一定であることを特徴とする請求項1〜3の何れか1項に記載の体外循環回路。
- 前記分岐チューブ上の絞り部相互の離間間隔が10mm以上、且つ50mm以下であることを特徴とする請求項4に記載の体外循環回路。
- 前記絞り部は前記分岐チューブよりも内径の小さな絞り部チューブから成り、該絞り部チューブは20°以上、且つ70°以下の傾斜角度で拡径して前記分岐チューブに連通することを特徴とする請求項1〜5の何れか1項に記載の体外循環回路。
- 前記分岐部よりも上流側の前記メインチューブに、少なくとも一箇所の流路断面積が縮小した絞り部を設けたことを特徴とする請求項1〜6の何れか1項に記載の体外循環回路。
- 前記メインチューブの絞り部の流路断面積が0.2mm2以上、且つ1.8mm2以下であることを特徴とする請求項7に記載の体外循環回路。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005345274A JP4493587B2 (ja) | 2005-11-30 | 2005-11-30 | 体外循環装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005345274A JP4493587B2 (ja) | 2005-11-30 | 2005-11-30 | 体外循環装置 |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2007144026A true JP2007144026A (ja) | 2007-06-14 |
JP2007144026A5 JP2007144026A5 (ja) | 2008-11-27 |
JP4493587B2 JP4493587B2 (ja) | 2010-06-30 |
Family
ID=38206137
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005345274A Expired - Fee Related JP4493587B2 (ja) | 2005-11-30 | 2005-11-30 | 体外循環装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4493587B2 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010125206A (ja) * | 2008-11-28 | 2010-06-10 | Asahi Kasei Kuraray Medical Co Ltd | ドリップチャンバの液面調整方法とその液面調整機構 |
CN112004567A (zh) * | 2018-04-20 | 2020-11-27 | 费森尤斯医疗护理德国有限责任公司 | 压力测量管线和用于通过合适的装置及设备监测压力测量管线的方法 |
KR20220098918A (ko) * | 2021-01-05 | 2022-07-12 | 연세대학교 원주산학협력단 | 비강 캐뉼라 및 이를 포함하는 의료 장비 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56163447U (ja) * | 1980-05-07 | 1981-12-04 | ||
JPS628491U (ja) * | 1985-07-01 | 1987-01-19 | ||
JPH0318373A (ja) * | 1989-06-16 | 1991-01-25 | Terumo Corp | 中空糸膜型液体処理装置のリーク検出方法及びリーク検出装置 |
JPH0523308A (ja) * | 1991-07-18 | 1993-02-02 | Terumo Corp | 流れ制御装置および血圧測定装置 |
-
2005
- 2005-11-30 JP JP2005345274A patent/JP4493587B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56163447U (ja) * | 1980-05-07 | 1981-12-04 | ||
JPS628491U (ja) * | 1985-07-01 | 1987-01-19 | ||
JPH0318373A (ja) * | 1989-06-16 | 1991-01-25 | Terumo Corp | 中空糸膜型液体処理装置のリーク検出方法及びリーク検出装置 |
JPH0523308A (ja) * | 1991-07-18 | 1993-02-02 | Terumo Corp | 流れ制御装置および血圧測定装置 |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010125206A (ja) * | 2008-11-28 | 2010-06-10 | Asahi Kasei Kuraray Medical Co Ltd | ドリップチャンバの液面調整方法とその液面調整機構 |
CN112004567A (zh) * | 2018-04-20 | 2020-11-27 | 费森尤斯医疗护理德国有限责任公司 | 压力测量管线和用于通过合适的装置及设备监测压力测量管线的方法 |
JP7472039B2 (ja) | 2018-04-20 | 2024-04-22 | フレセニウス・メディカル・ケア・ドイチュラント・ゲーエムベーハー | 圧力測定ラインおよび好適な機器ならびにデバイスを用いて圧力測定ラインをモニタリングするための方法 |
CN112004567B (zh) * | 2018-04-20 | 2024-06-11 | 费森尤斯医疗护理德国有限责任公司 | 压力测量管线和用于通过合适的装置及设备监测压力测量管线的方法 |
KR20220098918A (ko) * | 2021-01-05 | 2022-07-12 | 연세대학교 원주산학협력단 | 비강 캐뉼라 및 이를 포함하는 의료 장비 |
WO2022149817A1 (ko) * | 2021-01-05 | 2022-07-14 | 연세대학교 원주산학협력단 | 비강 캐뉼라 및 이를 포함하는 의료 장비 |
KR102445648B1 (ko) | 2021-01-05 | 2022-09-20 | 연세대학교 원주산학협력단 | 비강 캐뉼라 및 이를 포함하는 의료 장비 |
Also Published As
Publication number | Publication date |
---|---|
JP4493587B2 (ja) | 2010-06-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN100522280C (zh) | 带有防堵塞尖端的导管 | |
JP5439053B2 (ja) | 溶解可能な弁部材を備える弁アセンブリ | |
ES2443615T3 (es) | Método y aparato para un dispositivo de tratamiento extracorpóreo para controlar la extracción e infusión de sangre | |
US20200237993A1 (en) | Airtrap, system and method for removing microbubbles from a fluid stream | |
US6695807B2 (en) | Blood flow reversing system | |
US4265240A (en) | Apparatus for providing a controlled introduction of intravenous fluid to a patient | |
US6308737B1 (en) | Method and apparatus for selectively reversing flow between a dialyzer and a patient access | |
EP1875931A1 (en) | Blood depurator and depurating method | |
EP2228090B1 (en) | Double lumen catheter | |
CN100506308C (zh) | 带有防堵塞尖端的导管 | |
US11931499B2 (en) | Pressure detector | |
US11872334B2 (en) | Pressure detector | |
US20210052800A1 (en) | Pressure Detector | |
JP4493587B2 (ja) | 体外循環装置 | |
JP2007144026A5 (ja) | ||
JP2011212174A (ja) | 血液浄化装置 | |
JP2004160214A (ja) | 血液浄化装置用継手 | |
US20210178045A1 (en) | Flow chamber with helical flow path | |
JPS625172Y2 (ja) | ||
CN105597175A (zh) | 一种血液透析装置 | |
WO2019211951A1 (ja) | エアトラップチャンバ及び体外循環回路 | |
JP2007117256A (ja) | 腹膜透析及び潅流用ラージポアカテーテル |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20080130 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20081009 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20081009 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20091222 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20100112 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20100312 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20100406 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20100406 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4493587 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130416 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130416 Year of fee payment: 3 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130416 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130416 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140416 Year of fee payment: 4 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |