FR2373693A1 - Elastically squeezed tube pump for medical injections - has directly coupled motor speed impeller running-in lubricant - Google Patents

Elastically squeezed tube pump for medical injections - has directly coupled motor speed impeller running-in lubricant

Info

Publication number
FR2373693A1
FR2373693A1 FR7637191A FR7637191A FR2373693A1 FR 2373693 A1 FR2373693 A1 FR 2373693A1 FR 7637191 A FR7637191 A FR 7637191A FR 7637191 A FR7637191 A FR 7637191A FR 2373693 A1 FR2373693 A1 FR 2373693A1
Authority
FR
France
Prior art keywords
bar
lubricant
housing
motor
directly coupled
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.)
Granted
Application number
FR7637191A
Other languages
French (fr)
Other versions
FR2373693B1 (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.)
VIAL Sarl
Original Assignee
VIAL Sarl
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 VIAL Sarl filed Critical VIAL Sarl
Priority to FR7637191A priority Critical patent/FR2373693A1/en
Publication of FR2373693A1 publication Critical patent/FR2373693A1/en
Application granted granted Critical
Publication of FR2373693B1 publication Critical patent/FR2373693B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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
    • A61M5/14—Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142—Pressure infusion, e.g. using pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Vascular Medicine (AREA)
  • Anesthesiology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Reciprocating Pumps (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

Pump, partic. for injecting liq. into a human or animal patient, of the type in which a flexible, elastic tube is looped tightly around a rotating impeller bar of polygonal section. The bar is an extension of or directly coupled to the shaft of an electric motor. The bar is part of or keyed to the motor shaft and the bar and tube loop operate in a reservoir of lubricant inside a housing. The housing is pref. a cap fixed over the motor shaft bearing cover. Alternatively, the housing can be a casing separate from the motor, a bar extension from the casing keyed to th motor shaft. The housing should be fitted with seals to prevent loss of lubricant. The impeller bar is pref. of square cross-section with rounded corners. The motor is pref. supplied with power via a rheostat. Pump is partic. suitable for use in hospitals, veterinary surgeries or ambulances.
FR7637191A 1976-12-10 1976-12-10 Elastically squeezed tube pump for medical injections - has directly coupled motor speed impeller running-in lubricant Granted FR2373693A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7637191A FR2373693A1 (en) 1976-12-10 1976-12-10 Elastically squeezed tube pump for medical injections - has directly coupled motor speed impeller running-in lubricant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7637191A FR2373693A1 (en) 1976-12-10 1976-12-10 Elastically squeezed tube pump for medical injections - has directly coupled motor speed impeller running-in lubricant

Publications (2)

Publication Number Publication Date
FR2373693A1 true FR2373693A1 (en) 1978-07-07
FR2373693B1 FR2373693B1 (en) 1980-03-28

Family

ID=9180882

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637191A Granted FR2373693A1 (en) 1976-12-10 1976-12-10 Elastically squeezed tube pump for medical injections - has directly coupled motor speed impeller running-in lubricant

Country Status (1)

Country Link
FR (1) FR2373693A1 (en)

Also Published As

Publication number Publication date
FR2373693B1 (en) 1980-03-28

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Legal Events

Date Code Title Description
ST Notification of lapse