DE2219848A1 - Vorrichtung zur Ermittlung von Blasen in einer strömenden Flüssigkeit - Google Patents
Vorrichtung zur Ermittlung von Blasen in einer strömenden FlüssigkeitInfo
- Publication number
- DE2219848A1 DE2219848A1 DE19722219848 DE2219848A DE2219848A1 DE 2219848 A1 DE2219848 A1 DE 2219848A1 DE 19722219848 DE19722219848 DE 19722219848 DE 2219848 A DE2219848 A DE 2219848A DE 2219848 A1 DE2219848 A1 DE 2219848A1
- Authority
- DE
- Germany
- Prior art keywords
- photocell
- circuit
- lamp
- rail
- blood
- 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.)
- Pending
Links
- 239000007788 liquid Substances 0.000 title claims description 8
- 239000008280 blood Substances 0.000 claims description 34
- 210000004369 blood Anatomy 0.000 claims description 34
- 238000000746 purification Methods 0.000 claims description 14
- 239000003990 capacitor Substances 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 claims description 4
- 230000005284 excitation Effects 0.000 claims 1
- 239000012530 fluid Substances 0.000 claims 1
- 206010016717 Fistula Diseases 0.000 description 4
- 230000003890 fistula Effects 0.000 description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 3
- HTTJABKRGRZYRN-UHFFFAOYSA-N Heparin Chemical compound OC1C(NC(=O)C)C(O)OC(COS(O)(=O)=O)C1OC1C(OS(O)(=O)=O)C(O)C(OC2C(C(OS(O)(=O)=O)C(OC3C(C(O)C(O)C(O3)C(O)=O)OS(O)(=O)=O)C(CO)O2)NS(O)(=O)=O)C(C(O)=O)O1 HTTJABKRGRZYRN-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229960002897 heparin Drugs 0.000 description 2
- 229920000669 heparin Polymers 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- 206010053567 Coagulopathies Diseases 0.000 description 1
- 206010033799 Paralysis Diseases 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000035602 clotting Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000003642 hunger Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
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
- 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
- A61M1/3626—Gas bubble detectors
-
- 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
- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
- A61M5/36—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests with means for eliminating or preventing injection or infusion of air into body
- A61M5/365—Air detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/85—Investigating moving fluids or granular solids
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- Animal Behavior & Ethology (AREA)
- Hematology (AREA)
- Biomedical Technology (AREA)
- Anesthesiology (AREA)
- Engineering & Computer Science (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Pathology (AREA)
- Immunology (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1092171A GB1392804A (en) | 1971-04-23 | 1971-04-23 | Haemodialysis machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2219848A1 true DE2219848A1 (de) | 1972-11-09 |
Family
ID=9976754
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19722219848 Pending DE2219848A1 (de) | 1971-04-23 | 1972-04-22 | Vorrichtung zur Ermittlung von Blasen in einer strömenden Flüssigkeit |
Country Status (4)
| Country | Link |
|---|---|
| AT (1) | AT342751B (enExample) |
| DE (1) | DE2219848A1 (enExample) |
| FR (1) | FR2135013A5 (enExample) |
| GB (1) | GB1392804A (enExample) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344848A1 (de) * | 1983-12-12 | 1985-06-13 | "gutta" Gesellschaft für Infusionstechnik mbH, 2000 Hamburg | Lufterkennungseinrichtung fuer schwerkraftinfusionsregelgeraete |
| DE3931971A1 (de) * | 1989-09-25 | 1991-04-04 | Knapp Guenter Univ Prof Dipl I | Vorrichtung zur aufbereitung von fluessigen analysenproben |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2567956B1 (fr) * | 1984-07-20 | 1987-10-23 | Rech Geolog Miniere | Procede et installation pour la detection de la pression du point de bulle d'un fluide produit a partir d'un puits de forage ou en circulation dans une installation industrielle |
| FR2710538B1 (fr) * | 1993-09-30 | 1995-12-01 | Becton Dickinson Co | Procédé et dispositif de détection de bulles dans une ligne de perfusion. |
| US7338470B2 (en) * | 2003-12-03 | 2008-03-04 | Ethicon Endo-Surgery, Inc. | Air-bubble-monitoring medication assembly, medical system and method |
-
1971
- 1971-04-23 GB GB1092171A patent/GB1392804A/en not_active Expired
-
1972
- 1972-04-21 AT AT355872A patent/AT342751B/de not_active IP Right Cessation
- 1972-04-21 FR FR7214291A patent/FR2135013A5/fr not_active Expired
- 1972-04-22 DE DE19722219848 patent/DE2219848A1/de active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3344848A1 (de) * | 1983-12-12 | 1985-06-13 | "gutta" Gesellschaft für Infusionstechnik mbH, 2000 Hamburg | Lufterkennungseinrichtung fuer schwerkraftinfusionsregelgeraete |
| DE3931971A1 (de) * | 1989-09-25 | 1991-04-04 | Knapp Guenter Univ Prof Dipl I | Vorrichtung zur aufbereitung von fluessigen analysenproben |
Also Published As
| Publication number | Publication date |
|---|---|
| AT342751B (de) | 1978-04-25 |
| FR2135013A5 (enExample) | 1972-12-08 |
| GB1392804A (en) | 1975-04-30 |
| ATA355872A (de) | 1977-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHJ | Non-payment of the annual fee |