GB1467946A - Artificial kidney device - Google Patents

Artificial kidney device

Info

Publication number
GB1467946A
GB1467946A GB1340575A GB1340575A GB1467946A GB 1467946 A GB1467946 A GB 1467946A GB 1340575 A GB1340575 A GB 1340575A GB 1340575 A GB1340575 A GB 1340575A GB 1467946 A GB1467946 A GB 1467946A
Authority
GB
United Kingdom
Prior art keywords
tube
chamber
inner tube
pressure
constant
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
Application number
GB1340575A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Tokyo Shibaura Electric Co Ltd filed Critical Tokyo Shibaura Electric Co Ltd
Publication of GB1467946A publication Critical patent/GB1467946A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/08—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance
    • H03B5/10—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element comprising lumped inductance and capacitance active element in amplifier being vacuum tube
    • 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
    • A61M1/36—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
    • A61M1/3639—Blood pressure control, pressure transducers specially adapted therefor
    • 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
    • A61M39/00—Tubes, tube connectors, tube couplings, valves, access sites or the like, specially adapted for medical use
    • A61M39/22—Valves or arrangement of valves
    • A61M39/227—Valves actuated by a secondary fluid, e.g. hydraulically or pneumatically actuated valves
    • A61M39/228—Valves actuated by a secondary fluid, e.g. hydraulically or pneumatically actuated valves with a tubular diaphragm constrictable by radial fluid force
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/445—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes
    • 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
    • A61M2205/3344—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

Landscapes

  • Health & Medical Sciences (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Hematology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • Vascular Medicine (AREA)
  • Public Health (AREA)
  • Urology & Nephrology (AREA)
  • Cardiology (AREA)
  • Power Engineering (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • External Artificial Organs (AREA)
GB1340575A 1974-12-23 1975-04-02 Artificial kidney device Expired GB1467946A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14785974A JPS5544619B2 (de) 1974-12-23 1974-12-23

Publications (1)

Publication Number Publication Date
GB1467946A true GB1467946A (en) 1977-03-23

Family

ID=15439855

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1340575A Expired GB1467946A (en) 1974-12-23 1975-04-02 Artificial kidney device

Country Status (5)

Country Link
JP (1) JPS5544619B2 (de)
DE (2) DE2522180C3 (de)
FR (2) FR2295762A1 (de)
GB (1) GB1467946A (de)
IT (1) IT1040914B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034671A1 (de) * 1980-02-18 1981-09-02 University Of Exeter Verfahren und Gerät, insbesondere intravenöser Infusionsapparat, zur Beibehaltung einer gewünschten Durchflussmenge
GB2140895A (en) * 1983-05-31 1984-12-05 Ford Motor Co Fluid valve

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2739350A1 (de) * 1977-09-01 1979-03-15 Schi Wa Arzneimittel Vorrichtung zur behandlung uraemischer patienten
DE2922957A1 (de) * 1979-06-06 1980-12-18 Mottaghy Khosrow Verfahren und vorrichtung zum umwaelzen bzw. pumpen organisch-biologischer fluessigkeiten, insbesondere von blut
JPS5636346U (de) * 1979-08-31 1981-04-08
JPS57186819A (en) * 1981-05-13 1982-11-17 Toshiba Corp Surface acoustic wave filter element
DE3131075C2 (de) * 1981-08-05 1984-01-19 Dr. Eduard Fresenius, Chemisch-pharmazeutische Industrie KG, 6380 Bad Homburg Vorrichtung zum Reinigen von Blut
US4490135A (en) * 1982-09-24 1984-12-25 Extracorporeal Medical Specialties, Inc. Single needle alternating blood flow system
DE3302804C2 (de) * 1983-01-28 1985-03-14 Fresenius AG, 6380 Bad Homburg Vorrichtung zur Entfernung von Wasser aus Blut
DE3416956C2 (de) * 1984-05-08 1986-12-04 Fresenius AG, 6380 Bad Homburg Meßvorrichtung zur Bestimmung der Aktivität oder der Konzentration von Ionen in Lösungen
JPH0225104A (ja) * 1988-07-14 1990-01-26 Sanyo Electric Co Ltd 表面弾性波装置
US5061365A (en) * 1991-01-22 1991-10-29 Utterberg David S Medical fluid flow set

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1124356A (fr) * 1954-05-22 1956-10-09 Dispositif de prise et de conservation des liquides biologiques, tels que le sang, les sérums, les solutions d'injection et liquides analogues
FR2131144A5 (de) * 1971-04-13 1972-11-10 Rhone Poulenc Sa
US3879293A (en) * 1974-06-20 1975-04-22 Baxter Laboratories Inc Membrane diffusion device having inflatable member for pressurization and sealing

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0034671A1 (de) * 1980-02-18 1981-09-02 University Of Exeter Verfahren und Gerät, insbesondere intravenöser Infusionsapparat, zur Beibehaltung einer gewünschten Durchflussmenge
GB2140895A (en) * 1983-05-31 1984-12-05 Ford Motor Co Fluid valve

Also Published As

Publication number Publication date
JPS5173795A (de) 1976-06-25
FR2351668B1 (de) 1981-12-31
DE2557604C3 (de) 1978-04-06
DE2522180C3 (de) 1978-05-18
FR2295762B1 (de) 1978-11-03
DE2522180B2 (de) 1977-09-22
FR2295762A1 (fr) 1976-07-23
IT1040914B (it) 1979-12-20
DE2522180A1 (de) 1976-11-18
DE2557604A1 (de) 1976-06-24
FR2351668A1 (fr) 1977-12-16
JPS5544619B2 (de) 1980-11-13
DE2557604B2 (de) 1977-08-04

Similar Documents

Publication Publication Date Title
GB1467946A (en) Artificial kidney device
GB1409382A (en) Vented drainage tube assembly
US4041944A (en) Body fluid transfusion and displacement apparatus and method
GB1343728A (en) Mechanism for control of pulsatile fluid flow especially for preserving animal organs
US4158530A (en) Pumping apparatus comprising two collapsible chambers
US4156428A (en) Tracheal tube with expandable cuff system
US4029088A (en) Biological tissue strengthening device
GB1093269A (en) Extracorporeal artificial organ
WO2003057276B1 (en) Breast pump system
GB1481753A (en) Artificial kidney
US4721491A (en) Balloon inflation valve
GB1521146A (en) Direct finger actuated pump
US5337930A (en) Automatic watering and feeding mechanism for potted plants
GB1077481A (en) Inflating device for inflatable splints
GB2001146A (en) Valved tube joints
US5855547A (en) Bulb pump for impotence therapy and other purposes
JPS6463007A (en) Degasifying mechanism
GB2012393A (en) Apparatus for the Microregulation of Flow and Stabilization of Flow Rate
GB1113484A (en) Improvements in or relating to surgical tubes
FR2233543A1 (en) Valve esp. for human heart with low opening resistance - having an elastomer diaphragm on a PTFE grid
US3525335A (en) Shallow water breathing apparatus with air pump
FR2337670A1 (fr) Embout-valve
GB1001208A (en) Flexible tube pumps
FR2257311A1 (en) Endotracheal tube with liquid fillable cuff - mfd from air permeable expanded hydrophobic cellular plastics, pref. PTFE
GB1426963A (en) Peristaltic pumps

Legal Events

Date Code Title Description
PS Patent sealed
746 Register noted 'licences of right' (sect. 46/1977)
PE20 Patent expired after termination of 20 years

Effective date: 19950401