CA1165136A - Pressure detector - Google Patents
Pressure detectorInfo
- Publication number
- CA1165136A CA1165136A CA000390947A CA390947A CA1165136A CA 1165136 A CA1165136 A CA 1165136A CA 000390947 A CA000390947 A CA 000390947A CA 390947 A CA390947 A CA 390947A CA 1165136 A CA1165136 A CA 1165136A
- Authority
- CA
- Canada
- Prior art keywords
- contact
- pressure
- pressure diaphragm
- diaphragm
- whenever
- 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.)
- Expired
Links
- 239000012530 fluid Substances 0.000 claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 42
- 230000000712 assembly Effects 0.000 claims description 25
- 238000000429 assembly Methods 0.000 claims description 25
- 230000000717 retained effect Effects 0.000 claims description 25
- 238000009434 installation Methods 0.000 abstract description 2
- 208000036366 Sensation of pressure Diseases 0.000 abstract 1
- 210000000188 diaphragm Anatomy 0.000 description 42
- 239000000543 intermediate Substances 0.000 description 7
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- AYFVYJQAPQTCCC-GBXIJSLDSA-N L-threonine Chemical compound C[C@@H](O)[C@H](N)C(O)=O AYFVYJQAPQTCCC-GBXIJSLDSA-N 0.000 description 2
- 238000001802 infusion Methods 0.000 description 2
- 230000003213 activating effect Effects 0.000 description 1
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002674 ointment Substances 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H35/00—Switches operated by change of a physical condition
- H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
- H01H35/34—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Infusion, Injection, And Reservoir Apparatuses (AREA)
- Switches Operated By Changes In Physical Conditions (AREA)
- External Artificial Organs (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US216,764 | 1980-12-15 | ||
| US06/216,764 US4404440A (en) | 1980-12-15 | 1980-12-15 | Apparatus for detecting when the pressure detector in a fluid line exceeds a prescribed threshold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1165136A true CA1165136A (en) | 1984-04-10 |
Family
ID=22808415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000390947A Expired CA1165136A (en) | 1980-12-15 | 1981-11-26 | Pressure detector |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4404440A (Direct) |
| EP (1) | EP0066607B2 (Direct) |
| JP (1) | JPH0132611B2 (Direct) |
| CA (1) | CA1165136A (Direct) |
| DE (1) | DE3172391D1 (Direct) |
| WO (1) | WO1982002114A1 (Direct) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2497543B1 (fr) * | 1981-01-07 | 1986-08-29 | Imed Corp | Mecanismes et procedes pour controler l'ecoulement d'un fluide vers un recepteur et convertir une pompe en controleur ainsi que controler la pression du fluide |
| US4503301A (en) * | 1983-03-24 | 1985-03-05 | American Standard Inc. | Differential fluid pressure switch |
| US4501583A (en) * | 1983-06-15 | 1985-02-26 | Extracorporeal, Inc. | Hemodialysis access monitors |
| DE3838689C1 (en) * | 1988-11-15 | 1990-06-28 | Fresenius Ag, 6380 Bad Homburg, De | Method for the continuous measurement of the pressure in a flexible fluid line for medical purposes, as well as a device for carrying out the method |
| US5015808A (en) * | 1989-12-22 | 1991-05-14 | Texas Instruments Incorporated | Normally open pressure switch |
| US6221045B1 (en) | 1995-04-20 | 2001-04-24 | Acist Medical Systems, Inc. | Angiographic injector system with automatic high/low pressure switching |
| KR20020003676A (ko) * | 2000-06-24 | 2002-01-15 | 전계익 | 레이저 편위계 |
| US6625394B2 (en) * | 2001-12-21 | 2003-09-23 | Eastman Kodak Company | Two-shot molded seal integrity indicator, underwater camera, and method |
| US7303175B2 (en) * | 2004-07-16 | 2007-12-04 | Cardinal Health 303, Inc. | Automatic clamp apparatus having lateral motion resistance for IV infusion sets |
| US7124996B2 (en) * | 2004-07-16 | 2006-10-24 | Cardinal Health 303, Inc. | Automatic clamp apparatus for IV infusion sets used in pump devices |
| USD556904S1 (en) | 2004-07-16 | 2007-12-04 | Cardinal Health 303, Inc. | Automatic clamp device with offset release tab |
| US11484645B2 (en) | 2020-11-18 | 2022-11-01 | Perceptive Medical Inc. | Systems and components for regulating fluid infusion to a patient |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2086264A (en) * | 1937-07-06 | Ceecbit controller | ||
| US2996588A (en) * | 1958-12-05 | 1961-08-15 | Power Brake Parts Mfg Co | Fluid pressure operated electrical switch assembly |
| US3304381A (en) * | 1965-09-02 | 1967-02-14 | Triex Inc | Caution light apparatus to indicate vehicle deceleration |
| US3665156A (en) * | 1970-09-08 | 1972-05-23 | Herbert P Lee | Heating-element protector for electric water-heater |
| CH599786A5 (Direct) * | 1975-10-24 | 1978-05-31 | Hoffmann La Roche | |
| JPS52119989A (en) * | 1976-04-02 | 1977-10-07 | Hitachi Ltd | Air-fuel ratio sensor |
| SE403004B (sv) * | 1976-12-03 | 1978-07-24 | Gambro Ab | Tryckvakt |
-
1980
- 1980-12-15 US US06/216,764 patent/US4404440A/en not_active Expired - Fee Related
-
1981
- 1981-11-26 CA CA000390947A patent/CA1165136A/en not_active Expired
- 1981-11-27 WO PCT/US1981/001591 patent/WO1982002114A1/en not_active Ceased
- 1981-11-27 EP EP82900271A patent/EP0066607B2/en not_active Expired
- 1981-11-27 JP JP57500337A patent/JPH0132611B2/ja not_active Expired
- 1981-11-27 DE DE8282900271T patent/DE3172391D1/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| WO1982002114A1 (en) | 1982-06-24 |
| DE3172391D1 (en) | 1985-10-24 |
| JPS57501982A (Direct) | 1982-11-04 |
| US4404440A (en) | 1983-09-13 |
| EP0066607A4 (en) | 1983-06-24 |
| JPH0132611B2 (Direct) | 1989-07-07 |
| EP0066607B2 (en) | 1989-03-22 |
| EP0066607B1 (en) | 1985-09-18 |
| EP0066607A1 (en) | 1982-12-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |