JP6827802B2 - 圧力検出チャンバ - Google Patents
圧力検出チャンバ Download PDFInfo
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- JP6827802B2 JP6827802B2 JP2016252174A JP2016252174A JP6827802B2 JP 6827802 B2 JP6827802 B2 JP 6827802B2 JP 2016252174 A JP2016252174 A JP 2016252174A JP 2016252174 A JP2016252174 A JP 2016252174A JP 6827802 B2 JP6827802 B2 JP 6827802B2
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- blood
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- 238000001514 detection method Methods 0.000 title claims description 65
- 239000008280 blood Substances 0.000 claims description 116
- 210000004369 blood Anatomy 0.000 claims description 116
- 230000037452 priming Effects 0.000 claims description 52
- 230000000740 bleeding effect Effects 0.000 claims description 41
- 230000017531 blood circulation Effects 0.000 claims description 38
- 230000002093 peripheral effect Effects 0.000 claims description 23
- 238000005192 partition Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 description 17
- 210000004072 lung Anatomy 0.000 description 10
- 230000004087 circulation Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 239000002504 physiological saline solution Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 210000003462 vein Anatomy 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 210000000709 aorta Anatomy 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000036770 blood supply Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000002612 cardiopulmonary effect Effects 0.000 description 1
- 235000019994 cava Nutrition 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 210000001105 femoral artery Anatomy 0.000 description 1
- 210000003191 femoral vein Anatomy 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Images
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- External Artificial Organs (AREA)
Description
32A〜32D…圧力検出チャンバ 34…血液室
36…空気室 44…検出容器
46…ダイヤフラム 48…血液容器部
48a、50a…周壁部 48b、50b…端壁部
50…空気容器部 56…回路接続用ポート
58…空気抜き用ポート 60…角部
Claims (3)
- 中空状の検出容器と、
前記検出容器の内部を血液室と空気室とに仕切るダイヤフラムとを備え、
前記検出容器には、前記血液室に連通するとともに血液循環回路に接続される回路接続用ポートと、前記血液循環回路に接続されないポートであって、前記血液室に連通するとともに前記血液循環回路のプライミング時に前記血液室から空気を抜くための空気抜き用ポートとが設けられ、
前記検出容器は、内部に前記血液室が形成された血液容器部を有し、
前記血液容器部は、前記血液容器部の他の部位に対して相対的に高い位置となるように前記血液容器部の姿勢が保持された際に前記空気を集中させる角部を有し、
前記角部又はその近傍に、前記空気抜き用ポートが設けられ、
前記血液容器部は、筒状の周壁部と、前記ダイヤフラムと反対側で前記周壁部から先細り状に突出する錐部とを有し、
前記角部は、前記周壁部と前記錐部との接続箇所である、
ことを特徴とする圧力検出チャンバ。 - 請求項1記載の圧力検出チャンバにおいて、
前記回路接続用ポートと前記空気抜き用ポートとは互いに平行に設けられている、
ことを特徴とする圧力検出チャンバ。 - 請求項1記載の圧力検出チャンバにおいて、
前記回路接続用ポートと前記空気抜き用ポートとは互いに非平行に設けられている、
ことを特徴とする圧力検出チャンバ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016252174A JP6827802B2 (ja) | 2016-12-27 | 2016-12-27 | 圧力検出チャンバ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016252174A JP6827802B2 (ja) | 2016-12-27 | 2016-12-27 | 圧力検出チャンバ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018102597A JP2018102597A (ja) | 2018-07-05 |
JP6827802B2 true JP6827802B2 (ja) | 2021-02-10 |
Family
ID=62785957
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016252174A Active JP6827802B2 (ja) | 2016-12-27 | 2016-12-27 | 圧力検出チャンバ |
Country Status (1)
Country | Link |
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JP (1) | JP6827802B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8092414B2 (en) | 2005-11-09 | 2012-01-10 | Nxstage Medical, Inc. | Diaphragm pressure pod for medical fluids |
WO2012166980A2 (en) | 2011-05-31 | 2012-12-06 | Nxstage Medical, Inc. | Pressure measurement devices, methods, and systems |
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2016
- 2016-12-27 JP JP2016252174A patent/JP6827802B2/ja active Active
Also Published As
Publication number | Publication date |
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JP2018102597A (ja) | 2018-07-05 |
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