DE4339842A1 - Drip=feed infusion system flowback detector - Google Patents

Drip=feed infusion system flowback detector

Info

Publication number
DE4339842A1
DE4339842A1 DE19934339842 DE4339842A DE4339842A1 DE 4339842 A1 DE4339842 A1 DE 4339842A1 DE 19934339842 DE19934339842 DE 19934339842 DE 4339842 A DE4339842 A DE 4339842A DE 4339842 A1 DE4339842 A1 DE 4339842A1
Authority
DE
Germany
Prior art keywords
drip
detector
infusion system
flowback
lines
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.)
Withdrawn
Application number
DE19934339842
Other languages
German (de)
Inventor
Ingrid Barbknecht
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to DE19934339842 priority Critical patent/DE4339842A1/en
Publication of DE4339842A1 publication Critical patent/DE4339842A1/en
Withdrawn legal-status Critical Current

Links

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
    • 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

Abstract

The flowback detector consists of a rising tube above the dropping chamber, where flowback causes the liquid level to rise in the tube. The tube is monitored by a detector, triggering an acoustic or visual alarm as the liquid rises in the detection zone.

Description

1. Bezeichnung1. Name

Rückflußkontrolle für Flüssigkeitsleitungen mit TropfstreckenBackflow control for liquid lines with drip lines

2. Stand der Technik2. State of the art

Mechanische Rückflußventile
Patientennahe Druckmessung
Patientennahe Flußmessung
Tropfengeregelte OberwachungMechanical check valves
Pressure measurement close to the patient
Flow measurement close to the patient
Drop-controlled monitoring

3. Aufgabe3rd task

Die Rückflußkontrolle soll schon bei minimalen Rückfluß in das System ein optisches oder akustisches Signal geben.The backflow control should start with minimal backflow into the system give an optical or acoustic signal.

4. Vorteile4. Advantages

Freier Fluß der Flüssigkeit im System
Signal schon bei sehr geringem Rückfluß
geringe Störmeldungen Free flow of liquid in the system
Signal with very little reflux
low error messages

5. Darstellung der Erfindung5. Representation of the invention

In Flüssigkeitsleitungen mit einer Tropfstrecke zur Flußkontrolle, z. B. Infusionsleitungen, besteht in bestimmten Situationen die Forderung, einen Rückfluß im Leitungssystem sicher zu vermeiden.In liquid lines with a drip line for flow control, e.g. B. infusion lines, there is a requirement in certain situations to safely avoid a backflow in the pipe system.

Die Tropfenkontrolle hat sich dazu als ungeeignet erwiesen, da sowohl bei wechselnden als auch dauerndem Stillstand eine Störung gemeldet wird, ohne daß ein tatsächlicher Rückfluß stattfindet.The drop control has proven to be unsuitable for this, since both at alternating as well as permanent standstill a fault is reported, without actual reflux taking place.

Gegenstand der Erfindung ist die Ausnutzung einer bei Rückfluß aus der Tropfkammer in das Steigrohr oder den Steigschlauch oberhalb der Tropfkammer eindringenden Luftstrecke, die sowohl optisch als auch akustisch erkannt werden kann. Dieses Signal kann für Effektoren wie Ventile, Schlauchklemmen, Pumpen etc. zur Weiterverarbeitung genutzt werden.The invention relates to the exploitation of a reflux from the Drip chamber in the riser pipe or the riser hose above the Drip chamber penetrating air gap, which is both visual and can be recognized acoustically. This signal can be used for effectors like Valves, hose clamps, pumps etc. used for further processing become.

6. Anwendungsgebiet6. Area of application

Flüssigkeitsdurchflußsysteme mit Tropfstrecken, die gegen Rückfluß kontrolliert werden sollen. Insbesondere medizinisch technische Geräte, zum Beispiel Infusionssysteme.Liquid flow systems with drip lines that prevent backflow should be checked. In particular medical technical devices for Example infusion systems.

Claims (1)

Rückflußkontrolle für Flüssigkeitsleitungen mit Tropfstrecken durch Erfassen der Luftstrecke im Steigrohr oder Steigschlauch oberhalb der Tropfstrecke und elektronisches Umsetzen in ein akustisches oder optisches SignalBackflow control for liquid lines with drip lines by detection the air gap in the riser pipe or riser hose above the drip section and electronic conversion into an acoustic or optical signal
DE19934339842 1993-11-23 1993-11-23 Drip=feed infusion system flowback detector Withdrawn DE4339842A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19934339842 DE4339842A1 (en) 1993-11-23 1993-11-23 Drip=feed infusion system flowback detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19934339842 DE4339842A1 (en) 1993-11-23 1993-11-23 Drip=feed infusion system flowback detector

Publications (1)

Publication Number Publication Date
DE4339842A1 true DE4339842A1 (en) 1995-05-24

Family

ID=6503200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19934339842 Withdrawn DE4339842A1 (en) 1993-11-23 1993-11-23 Drip=feed infusion system flowback detector

Country Status (1)

Country Link
DE (1) DE4339842A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104826191A (en) * 2015-06-03 2015-08-12 王文秀 Disposable automatic drop stopping alarming infusion apparatus

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104826191A (en) * 2015-06-03 2015-08-12 王文秀 Disposable automatic drop stopping alarming infusion apparatus
CN104826191B (en) * 2015-06-03 2017-12-08 王文秀 It is disposable to stop dripping automatic alarm transfusion device

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Legal Events

Date Code Title Description
8122 Nonbinding interest in granting licenses declared
8139 Disposal/non-payment of the annual fee