GB1591205A - Hemodialysis systems - Google Patents
Hemodialysis systems Download PDFInfo
- Publication number
- GB1591205A GB1591205A GB37100/77A GB3710077A GB1591205A GB 1591205 A GB1591205 A GB 1591205A GB 37100/77 A GB37100/77 A GB 37100/77A GB 3710077 A GB3710077 A GB 3710077A GB 1591205 A GB1591205 A GB 1591205A
- Authority
- GB
- United Kingdom
- Prior art keywords
- dialysate solution
- blood
- dialysate
- tubing
- sensing
- 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
- 238000001631 haemodialysis Methods 0.000 title claims description 63
- 230000000322 hemodialysis Effects 0.000 title claims description 63
- 239000008280 blood Substances 0.000 claims description 145
- 210000004369 blood Anatomy 0.000 claims description 145
- 239000002699 waste material Substances 0.000 claims description 68
- 238000010438 heat treatment Methods 0.000 claims description 66
- 239000012535 impurity Substances 0.000 claims description 62
- 230000002572 peristaltic effect Effects 0.000 claims description 58
- 238000005086 pumping Methods 0.000 claims description 47
- 238000012546 transfer Methods 0.000 claims description 39
- 230000017531 blood circulation Effects 0.000 claims description 31
- 230000006835 compression Effects 0.000 claims description 16
- 238000007906 compression Methods 0.000 claims description 16
- 238000007599 discharging Methods 0.000 claims description 13
- 230000000007 visual effect Effects 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 9
- 238000010276 construction Methods 0.000 claims description 8
- 239000012530 fluid Substances 0.000 claims description 8
- 238000004873 anchoring Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 7
- 238000010168 coupling process Methods 0.000 claims description 7
- 238000005859 coupling reaction Methods 0.000 claims description 7
- 238000012864 cross contamination Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910000619 316 stainless steel Inorganic materials 0.000 claims description 2
- 239000005030 aluminium foil Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 240
- 230000000541 pulsatile effect Effects 0.000 description 20
- 238000000502 dialysis Methods 0.000 description 15
- 238000012544 monitoring process Methods 0.000 description 11
- 238000001514 detection method Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- 206010018910 Haemolysis Diseases 0.000 description 6
- 230000008588 hemolysis Effects 0.000 description 6
- 239000012510 hollow fiber Substances 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 4
- DDRJAANPRJIHGJ-UHFFFAOYSA-N creatinine Chemical compound CN1CC(=O)NC1=N DDRJAANPRJIHGJ-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 230000036772 blood pressure Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 210000003734 kidney Anatomy 0.000 description 3
- 230000003204 osmotic effect Effects 0.000 description 3
- 229920002379 silicone rubber Polymers 0.000 description 3
- 230000001954 sterilising effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 206010016717 Fistula Diseases 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 2
- 239000004202 carbamide Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 229940109239 creatinine Drugs 0.000 description 2
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- 238000009792 diffusion process Methods 0.000 description 2
- 230000003890 fistula Effects 0.000 description 2
- 208000006454 hepatitis Diseases 0.000 description 2
- 231100000283 hepatitis Toxicity 0.000 description 2
- 208000017169 kidney disease Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 230000003612 virological effect Effects 0.000 description 2
- 206010003226 Arteriovenous fistula Diseases 0.000 description 1
- 206010019799 Hepatitis viral Diseases 0.000 description 1
- LEHOTFFKMJEONL-UHFFFAOYSA-N Uric Acid Chemical compound N1C(=O)NC(=O)C2=C1NC(=O)N2 LEHOTFFKMJEONL-UHFFFAOYSA-N 0.000 description 1
- TVWHNULVHGKJHS-UHFFFAOYSA-N Uric acid Natural products N1C(=O)NC(=O)C2NC(=O)NC21 TVWHNULVHGKJHS-UHFFFAOYSA-N 0.000 description 1
- 230000001594 aberrant effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000000427 antigen Substances 0.000 description 1
- 102000036639 antigens Human genes 0.000 description 1
- 108091007433 antigens Proteins 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000005779 cell damage Effects 0.000 description 1
- 208000037887 cell injury Diseases 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000012217 deletion Methods 0.000 description 1
- 230000037430 deletion Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000385 dialysis solution Substances 0.000 description 1
- 230000007717 exclusion Effects 0.000 description 1
- 231100000206 health hazard Toxicity 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003907 kidney function Effects 0.000 description 1
- 239000003562 lightweight material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000010349 pulsation Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 239000003206 sterilizing agent Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000002054 transplantation Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229940045136 urea Drugs 0.000 description 1
- 229940116269 uric acid Drugs 0.000 description 1
- 201000001862 viral hepatitis Diseases 0.000 description 1
- 238000011179 visual inspection Methods 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1601—Control or regulation
- A61M1/1603—Regulation parameters
- A61M1/1605—Physical characteristics of the dialysate fluid
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1621—Constructional aspects thereof
- A61M1/1649—Constructional aspects thereof with pulsatile dialysis fluid flow
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1654—Dialysates therefor
- A61M1/1656—Apparatus for preparing dialysates
- A61M1/166—Heating
- A61M1/1664—Heating with temperature control
-
- 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
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
-
- 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
- A61M1/34—Filtering material out of the blood by passing it through a membrane, i.e. hemofiltration or diafiltration
- A61M1/3403—Regulation parameters
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- 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
- A61M1/3607—Regulation parameters
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/10—Location thereof with respect to the patient's body
- A61M60/104—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body
- A61M60/109—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems
- A61M60/113—Extracorporeal pumps, i.e. the blood being pumped outside the patient's body incorporated within extracorporeal blood circuits or systems in other functional devices, e.g. dialysers or heart-lung machines
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/20—Type thereof
- A61M60/247—Positive displacement blood pumps
- A61M60/253—Positive displacement blood pumps including a displacement member directly acting on the blood
- A61M60/268—Positive displacement blood pumps including a displacement member directly acting on the blood the displacement member being flexible, e.g. membranes, diaphragms or bladders
- A61M60/279—Peristaltic pumps, e.g. roller pumps
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/30—Medical purposes thereof other than the enhancement of the cardiac output
- A61M60/36—Medical purposes thereof other than the enhancement of the cardiac output for specific blood treatment; for specific therapy
- A61M60/37—Haemodialysis, haemofiltration or diafiltration
-
- 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
- A61M60/00—Blood pumps; Devices for mechanical circulatory actuation; Balloon pumps for circulatory assistance
- A61M60/50—Details relating to control
- A61M60/508—Electronic control means, e.g. for feedback regulation
- A61M60/562—Electronic control means, e.g. for feedback regulation for making blood flow pulsatile in blood pumps that do not intrinsically create pulsatile flow
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1215—Machines, pumps, or pumping installations having flexible working members having peristaltic action having no backing plate (deforming of the tube only by rollers)
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1692—Detection of blood traces in dialysate
-
- 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
- A61M1/14—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis
- A61M1/16—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes
- A61M1/1694—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid
- A61M1/1696—Dialysis systems; Artificial kidneys; Blood oxygenators ; Reciprocating systems for treatment of body fluids, e.g. single needle systems for hemofiltration or pheresis with membranes with recirculating dialysing liquid with dialysate regeneration
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/10—General characteristics of the apparatus with powered movement mechanisms
- A61M2205/103—General characteristics of the apparatus with powered movement mechanisms rotating
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/15—Detection of leaks
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/18—General characteristics of the apparatus with alarm
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3334—Measuring or controlling the flow rate
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3331—Pressure; Flow
- A61M2205/3344—Measuring or controlling pressure at the body treatment site
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3365—Rotational speed
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- 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
- A61M2205/00—General characteristics of the apparatus
- A61M2205/50—General characteristics of the apparatus with microprocessors or computers
- A61M2205/502—User interfaces, e.g. screens or keyboards
-
- 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
- A61M2230/00—Measuring parameters of the user
- A61M2230/65—Impedance, e.g. conductivity, capacity
Landscapes
- Health & Medical Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Engineering & Computer Science (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Urology & Nephrology (AREA)
- Vascular Medicine (AREA)
- Cardiology (AREA)
- Mechanical Engineering (AREA)
- Emergency Medicine (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pulmonology (AREA)
- General Engineering & Computer Science (AREA)
- External Artificial Organs (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/720,673 US4079007A (en) | 1976-09-07 | 1976-09-07 | Hemodialysis system with modular dialysate manifold assembly |
| US05/720,672 US4083777A (en) | 1976-09-07 | 1976-09-07 | Portable hemodialysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1591205A true GB1591205A (en) | 1981-06-17 |
Family
ID=27110290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB37100/77A Expired GB1591205A (en) | 1976-09-07 | 1977-09-06 | Hemodialysis systems |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS5334396A (https=) |
| BR (1) | BR7705935A (https=) |
| CA (1) | CA1119971A (https=) |
| DE (1) | DE2740062C3 (https=) |
| FR (1) | FR2363333A1 (https=) |
| GB (1) | GB1591205A (https=) |
| IN (1) | IN147809B (https=) |
| IT (1) | IT1219981B (https=) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2184670A (en) * | 1985-12-19 | 1987-07-01 | Cleveland Clinic Foundation | Thermofiltration of plasma |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4229299A (en) * | 1978-03-22 | 1980-10-21 | Hoechst Aktiengesellschaft | Peristaltic dialysate solution pump |
| US4166961A (en) * | 1978-03-22 | 1979-09-04 | Hoechst Aktiengesellschaft | Method and apparatus for detecting a blood leak in a hemodialysis system |
| US4227526A (en) * | 1978-04-13 | 1980-10-14 | Extracorporeal Medical Systems, Inc. | Mechanism for aurally instructing a patient and method |
| GB2023427B (en) * | 1978-06-15 | 1982-11-24 | Honda Motor Co Ltd | Artificial kindey |
| FR2459050A1 (fr) * | 1979-06-19 | 1981-01-09 | Ceske Vysoke Uceni Tech | Dispositif pour hemodyalise |
| SE451056B (sv) * | 1982-09-10 | 1987-08-31 | Gambro Lundia Ab | Slangset avsett for extrakorporeal behandling av blod och liknande omtaliga vetskor |
| FR2550583B1 (fr) * | 1983-08-08 | 1986-03-28 | Delecroix Michel | Dispositif de regulation d'une pompe |
| AU2003230862A1 (en) | 2002-04-11 | 2003-10-27 | Deka Products Limited Partnership | System and method for delivering a target volume of fluid |
| US10537671B2 (en) | 2006-04-14 | 2020-01-21 | Deka Products Limited Partnership | Automated control mechanisms in a hemodialysis apparatus |
| EP2724736B1 (en) | 2006-04-14 | 2022-06-08 | DEKA Products Limited Partnership | Pod pump cassette |
| US10463774B2 (en) | 2007-02-27 | 2019-11-05 | Deka Products Limited Partnership | Control systems and methods for blood or fluid handling medical devices |
| US8393690B2 (en) | 2007-02-27 | 2013-03-12 | Deka Products Limited Partnership | Enclosure for a portable hemodialysis system |
| US9028691B2 (en) | 2007-02-27 | 2015-05-12 | Deka Products Limited Partnership | Blood circuit assembly for a hemodialysis system |
| US8409441B2 (en) | 2007-02-27 | 2013-04-02 | Deka Products Limited Partnership | Blood treatment systems and methods |
| US8491184B2 (en) | 2007-02-27 | 2013-07-23 | Deka Products Limited Partnership | Sensor apparatus systems, devices and methods |
| US8366655B2 (en) | 2007-02-27 | 2013-02-05 | Deka Products Limited Partnership | Peritoneal dialysis sensor apparatus systems, devices and methods |
| CN101711171B (zh) | 2007-02-27 | 2014-03-26 | 德卡产品有限公司 | 血液透析系统及方法 |
| US10201647B2 (en) | 2008-01-23 | 2019-02-12 | Deka Products Limited Partnership | Medical treatment system and methods using a plurality of fluid lines |
| US11975128B2 (en) | 2008-01-23 | 2024-05-07 | Deka Products Limited Partnership | Medical treatment system and methods using a plurality of fluid lines |
| EP2254616B1 (en) | 2008-01-23 | 2016-07-06 | DEKA Products Limited Partnership | Disposable fluid handling cassette for peritoneal dialysis |
| US12171922B2 (en) | 2008-08-27 | 2024-12-24 | Deka Products Limited Partnership | Blood treatment systems and methods |
| DE102009026060B4 (de) * | 2009-06-29 | 2018-05-24 | Fresenius Medical Care Deutschland Gmbh | Verfahren zur Präparierung und Aufrüstung einer Hämodialysemaschine zur Durchführung einer Hämodialysebehandlung sowie Hämodialysemaschine |
| JP2013509271A (ja) | 2009-10-30 | 2013-03-14 | デカ・プロダクツ・リミテッド・パートナーシップ | 血管アクセスデバイスの離脱を検知するための装置および方法 |
| CA3166031A1 (en) | 2011-05-24 | 2012-11-29 | Deka Products Limited Partnership | Hemodialysis system |
| US9999717B2 (en) | 2011-05-24 | 2018-06-19 | Deka Products Limited Partnership | Systems and methods for detecting vascular access disconnection |
| EP3219342B1 (en) | 2011-11-04 | 2019-01-09 | DEKA Products Limited Partnership | Medical treatment system and methods using a plurality of fluid lines |
| US12303631B2 (en) | 2011-11-04 | 2025-05-20 | Deka Products Limited Partnership | Medical treatment system and methods using a plurality of fluid lines |
| US9364655B2 (en) | 2012-05-24 | 2016-06-14 | Deka Products Limited Partnership | Flexible tubing occlusion assembly |
| US12026271B2 (en) | 2014-05-27 | 2024-07-02 | Deka Products Limited Partnership | Control systems and methods for blood or fluid handling medical devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3506126A (en) * | 1968-05-03 | 1970-04-14 | Milton Roy Co | Closed recirculating hemodialysis system |
| BE758029A (fr) * | 1969-10-27 | 1971-04-26 | Rhone Poulenc Sa | Pompe peristaltique |
| BE759038A (fr) * | 1969-11-17 | 1971-04-30 | Cci Aerospace Corp | Module a dialysat a remise en circulation, destine a etre jete |
| US3946731A (en) * | 1971-01-20 | 1976-03-30 | Lichtenstein Eric Stefan | Apparatus for extracorporeal treatment of blood |
| IE40006B1 (en) * | 1973-09-07 | 1979-02-14 | Lichtenstein Eric Stefan | Automated apparatus for monitoring of physiological parameters and control of fluid therapy including extracorporealcirculation of blood |
-
1977
- 1977-08-19 CA CA000285084A patent/CA1119971A/en not_active Expired
- 1977-09-06 GB GB37100/77A patent/GB1591205A/en not_active Expired
- 1977-09-06 IN IN1371/CAL/77A patent/IN147809B/en unknown
- 1977-09-06 IT IT50902/77A patent/IT1219981B/it active
- 1977-09-06 DE DE2740062A patent/DE2740062C3/de not_active Expired
- 1977-09-06 FR FR7727005A patent/FR2363333A1/fr active Granted
- 1977-09-06 JP JP10636177A patent/JPS5334396A/ja active Pending
- 1977-09-06 BR BR7705935A patent/BR7705935A/pt unknown
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2184670A (en) * | 1985-12-19 | 1987-07-01 | Cleveland Clinic Foundation | Thermofiltration of plasma |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5334396A (en) | 1978-03-30 |
| DE2740062A1 (de) | 1978-03-09 |
| BR7705935A (pt) | 1978-06-27 |
| IT1219981B (it) | 1990-05-24 |
| IN147809B (https=) | 1980-07-05 |
| DE2740062C3 (de) | 1980-02-14 |
| DE2740062B2 (de) | 1979-06-07 |
| FR2363333A1 (fr) | 1978-03-31 |
| CA1119971A (en) | 1982-03-16 |
| FR2363333B1 (https=) | 1983-05-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed [section 19, patents act 1949] | ||
| PCNP | Patent ceased through non-payment of renewal fee |