JP6899991B2 - ダックビル弁 - Google Patents
ダックビル弁 Download PDFInfo
- Publication number
- JP6899991B2 JP6899991B2 JP2016240749A JP2016240749A JP6899991B2 JP 6899991 B2 JP6899991 B2 JP 6899991B2 JP 2016240749 A JP2016240749 A JP 2016240749A JP 2016240749 A JP2016240749 A JP 2016240749A JP 6899991 B2 JP6899991 B2 JP 6899991B2
- Authority
- JP
- Japan
- Prior art keywords
- duckbill valve
- main body
- slit
- tip
- protrusion
- 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
Links
- 230000002093 peripheral effect Effects 0.000 claims description 16
- 239000012530 fluid Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 210000000683 abdominal cavity Anatomy 0.000 description 5
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- 210000003815 abdominal wall Anatomy 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002357 laparoscopic surgery Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000007779 soft material Substances 0.000 description 1
Images
Landscapes
- Check Valves (AREA)
- Surgical Instruments (AREA)
- Endoscopes (AREA)
Description
Claims (4)
- 先端側から基端方向への流体の流動を規制するダックビル弁において、
円筒形の本体部と、
該本体部の先端から所定の間隔を存した内周面に設けられ、基端側から先端方向に向けて、先端が収束するように傾斜して延びる一対の傾斜部と、
両傾斜部の先端が接することにより形成される開閉可能な直線状のスリットと、
前記本体部の外周面において、前記傾斜部の基端縁よりも前記本体部の基端側の位置に設けられ、前記本体部の軸線から離れる方向に拡径する鍔部と、
前記本体部の外周面に設けられ、該本体部の軸線に沿って前記鍔部の下端から本体部の先端まで延びる突起部と、
前記本体部の内周面のうち該突起部と対向する位置から前記傾斜部まで延びるリブとを備えることを特徴とするダックビル弁。 - 請求項1記載のダックビル弁であって、
前記突起部は、径断面視において略半円状であることを特徴とするダックビル弁。 - 請求項1または請求項2に記載のダックビル弁であって、
前記突起部の幅は、前記リブの幅より大になっていることを特徴とするダックビル弁。 - 請求項1乃至請求項3のいずれか一項に記載のダックビル弁であって、
前記突起部は、周方向において均等に90°で離間して4個設けられていることを特徴とするダックビル弁。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016240749A JP6899991B2 (ja) | 2016-12-12 | 2016-12-12 | ダックビル弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016240749A JP6899991B2 (ja) | 2016-12-12 | 2016-12-12 | ダックビル弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018096436A JP2018096436A (ja) | 2018-06-21 |
JP6899991B2 true JP6899991B2 (ja) | 2021-07-07 |
Family
ID=62633672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016240749A Active JP6899991B2 (ja) | 2016-12-12 | 2016-12-12 | ダックビル弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP6899991B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108703815A (zh) * | 2018-07-24 | 2018-10-26 | 舒可士(深圳)科技有限公司 | 一种液流单向阀及洗牙器 |
US10859540B2 (en) * | 2018-08-03 | 2020-12-08 | Chromatography Research Supplies, Inc. | Duckbill septum |
DE202019103326U1 (de) * | 2019-06-13 | 2020-09-16 | Neoperl Gmbh | Schnabelventil und Verwendung eines Schnabelventils |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3517682A (en) * | 1967-09-28 | 1970-06-30 | Flo Container Inc | Inflation means |
US4960412A (en) * | 1988-04-15 | 1990-10-02 | Universal Medical Instrument Corp. | Catheter introducing system |
EP1061973A4 (en) * | 1998-03-10 | 2003-01-02 | Vernay Laboratories | HEMOSTATIC VALVE ARRANGEMENT WITH A GUIDE WIRE SEAL |
JP5383312B2 (ja) * | 2009-05-20 | 2014-01-08 | 株式会社八光 | ダックビル弁 |
-
2016
- 2016-12-12 JP JP2016240749A patent/JP6899991B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
JP2018096436A (ja) | 2018-06-21 |
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