DE20106162U1 - Medical probe - Google Patents

Medical probe

Info

Publication number
DE20106162U1
DE20106162U1 DE20106162U DE20106162U DE20106162U1 DE 20106162 U1 DE20106162 U1 DE 20106162U1 DE 20106162 U DE20106162 U DE 20106162U DE 20106162 U DE20106162 U DE 20106162U DE 20106162 U1 DE20106162 U1 DE 20106162U1
Authority
DE
Germany
Prior art keywords
medical probe
lumen
electrode
probe according
lumen tube
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 - Lifetime
Application number
DE20106162U
Other languages
German (de)
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.)
Schoenfeld Andreas Dipl-Ing De
Original Assignee
Kurt Schwabe Institut fuer Mess und Sensortechnik Ev Meinsberg
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 Kurt Schwabe Institut fuer Mess und Sensortechnik Ev Meinsberg filed Critical Kurt Schwabe Institut fuer Mess und Sensortechnik Ev Meinsberg
Priority to DE20106162U priority Critical patent/DE20106162U1/en
Publication of DE20106162U1 publication Critical patent/DE20106162U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/14539—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue for measuring pH
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/145—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue
    • A61B5/1468—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means
    • A61B5/1473—Measuring characteristics of blood in vivo, e.g. gas concentration, pH value; Measuring characteristics of body fluids or tissues, e.g. interstitial fluid, cerebral tissue using chemical or electrochemical methods, e.g. by polarographic means invasive, e.g. introduced into the body by a catheter

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Molecular Biology (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Optics & Photonics (AREA)
  • Surgery (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Medizinische Sonde zur Bestimmung des pH-Wertes im Ver­ dauungstrakt, dadurch gekennzeichnet,
dass in einem Mehrlumenschlauch (3) der an seinem mess­ seitigen Ende aufgebohrt ist, eben in dieser Bohrung eine pilzförmige im Schleudergussverfahren hergestellte Anti­ monelektrode (1) raumfüllend eingeklebt ist,
dass an diese Antimonelektrode (1) ein Ableitdraht (6) angelötet ist, welcher im Lumen 1 (9) geführt wird,
dass im Lumen 2 (10) eine Kerbe(11) vorhanden ist, in der sich ein zylinderförmiges poröses Keramikdiaphragma (2) befindet, welches zur Antimonelektrode (1) hin mit der zur Verklebung dieser Elektrode verwendeten polymeren Masse durch einen Pfropfen (8) abgedichtet ist,
dass sich auf der anderen Seite des porösen Keramikdia­ phragmas (2) im Lumen 2 (10) ein Bezugselektrolyt (5) be­ findet, in den ein Silberdraht mit AgCl-Überzug (4) ein­ gebracht ist,
dass der Mehrlumenschlauch (3) am messfernen Ende eben­ falls über einen aus der bereits erwähnten Klebe- und Vergussmasse bestehenden Pfropfen (8a) abgeschlossen ist und
dass Ableitdraht (6) und chlorierter Silberdraht (4) mit einem Steckverbinder (7) in elektrischer Verbindung ste­ hen.1. Medical probe for determining the pH in the digestive tract, characterized in that
that in a multi-lumen tube ( 3 ) which is drilled out at its measuring end, a mushroom-shaped anti-monelectrode ( 1 ) manufactured in a centrifugal casting process is glued into this hole to fill the space,
that is soldered to these antimony electrode (1), a drain wire (6), which is guided in the lumen 1 (9)
that in the lumen 2 ( 10 ) there is a notch ( 11 ) in which there is a cylindrical porous ceramic diaphragm ( 2 ) which seals against the antimony electrode ( 1 ) with the polymeric mass used for bonding this electrode by means of a plug ( 8 ) is
that on the other side of the porous ceramic diaphragm ( 2 ) in the lumen 2 ( 10 ) there is a reference electrolyte ( 5 ) into which a silver wire with an AgCl coating ( 4 ) is inserted,
that the multi-lumen tube ( 3 ) at the end remote from the measurement is also closed by a plug ( 8 a) consisting of the adhesive and potting compound already mentioned and
that drain wire ( 6 ) and chlorinated silver wire ( 4 ) are in electrical connection with a plug connector ( 7 ). 2. Medizinische Sonde nach Anspruch 1, dadurch gekennzeich­ net, dass anstelle der Antimonelektrode (1) eine andere für die pH-Messung geeignete pH-Indikatorelektrode in dem aufgebohrten Teil des Mehrlumenschlauches (3) vorhanden ist, wobei es sich bei dieser pH-Indikatorelektrode nicht ausschließlich um eine andere Metall- oder Metalloxid­ elektrode handelt; sondern es sind ebenfalls pH-ISFET-, Glas- und Flüssig- oder Gelmembranelektroden möglich.2. Medical probe according to claim 1, characterized in that, instead of the antimony electrode ( 1 ), another pH indicator electrode suitable for pH measurement is present in the drilled part of the multi-lumen tube ( 3 ), with this pH indicator electrode is not exclusively another metal or metal oxide electrode; instead, pH-ISFET, glass and liquid or gel membrane electrodes are also possible. 3. Medizinische Sonde nach den Ansprüchen 1 und 2, dadurch gekennzeichnet, dass der Mehrlumenschlauch (3) aus einem Kunstoff aus der Gruppe Polyurethan, Polytetrafluorethen, Polyvinylchlorid, Polyethen besteht und einen maximalen äußeren Durchmesser von 3,5 mm aufweist.3. Medical probe according to claims 1 and 2, characterized in that the multi-lumen tube ( 3 ) consists of a plastic from the group consisting of polyurethane, polytetrafluoroethylene, polyvinyl chloride, polyethene and has a maximum outer diameter of 3.5 mm. 4. Medizinische Sonde nach den vorangegangenen Ansprüchen, dadurch gekennzeichnet, dass es sich bei dem Bezugselektrolyten (5) um einen gelverfestigten Elektrolyten han­ delt.4. Medical probe according to the preceding claims, characterized in that the reference electrolyte ( 5 ) is a gel-solidified electrolyte. 5. Medizinische Sonde nach einem oder mehreren der vorange­ gangenen Ansprüche, dadurch gekennzeichnet, dass der Mehrlumenschlauch (3) eine Lumenzahl von < 2 aufweist, und dass sich in den zusätzlichen Lumen weitere Funktionsele­ mente befinden, die die Bestimmung anderer in der medizi­ nischen Diagnostik relevanter Parameter mittels der medi­ zinischen Sonde gestatten und/oder dass zusätzliche räum­ lich an anderer Stelle angeordnete pH-Elektroden vorhan­ den sind.5. Medical probe according to one or more of the preceding claims, characterized in that the multi-lumen tube ( 3 ) has a lumen number of <2, and that there are further functional elements in the additional lumen that determine the determination of others in medical diagnostics Allow relevant parameters by means of the medical probe and / or that additional pH electrodes arranged spatially elsewhere are present. 6. Medizinische Sonde nach den vorangegangenen Ansprüchen, dadurch gekennzeichnet, dass das Keramikdiaphragma (2) vor Inbetriebnahme der medizinischen Sonde durch einen zusätzlichen Schlauch (12) vor dem Auslaufen des Bezugs­ elektrolyten (5) geschützt ist.6. A medical probe according to the preceding claims, characterized in that the ceramic diaphragm ( 2 ) is protected by an additional hose ( 12 ) before the reference electrolyte ( 5 ) runs out before the medical probe is put into operation.
DE20106162U 2001-04-07 2001-04-07 Medical probe Expired - Lifetime DE20106162U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20106162U DE20106162U1 (en) 2001-04-07 2001-04-07 Medical probe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20106162U DE20106162U1 (en) 2001-04-07 2001-04-07 Medical probe

Publications (1)

Publication Number Publication Date
DE20106162U1 true DE20106162U1 (en) 2001-07-26

Family

ID=7955513

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20106162U Expired - Lifetime DE20106162U1 (en) 2001-04-07 2001-04-07 Medical probe

Country Status (1)

Country Link
DE (1) DE20106162U1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1690083A2 (en) * 2003-12-01 2006-08-16 Sierra Medical Technology, Inc. A self-condensing ph sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1690083A2 (en) * 2003-12-01 2006-08-16 Sierra Medical Technology, Inc. A self-condensing ph sensor
EP1690083A4 (en) * 2003-12-01 2009-07-01 Sierra Medical Technology Inc A self-condensing ph sensor

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010830

R150 Term of protection extended to 6 years

Effective date: 20030527

R151 Term of protection extended to 8 years

Effective date: 20060706

R081 Change of applicant/patentee

Owner name: SCHOENFELD, ANDREAS, DIPL.-ING., DE

Free format text: FORMER OWNER: KURT-SCHWABE-INSTITUT FUER MESS- UND SENSORTECHNIK E.V. MEINSBERG, 04720 ZIEGRA-KNOBELSDORF, DE

Effective date: 20090416

R152 Term of protection extended to 10 years

Effective date: 20090626

R071 Expiry of right