DE68919182D1 - Verfahren und Gerät zur Ermittlung der Lage eines Katheters. - Google Patents

Verfahren und Gerät zur Ermittlung der Lage eines Katheters.

Info

Publication number
DE68919182D1
DE68919182D1 DE68919182T DE68919182T DE68919182D1 DE 68919182 D1 DE68919182 D1 DE 68919182D1 DE 68919182 T DE68919182 T DE 68919182T DE 68919182 T DE68919182 T DE 68919182T DE 68919182 D1 DE68919182 D1 DE 68919182D1
Authority
DE
Germany
Prior art keywords
locator
detector
coil
output voltage
catheter
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 - Fee Related
Application number
DE68919182T
Other languages
English (en)
Other versions
DE68919182T2 (de
Inventor
Clair L Strohl
Michael C Ferragamo
Donald A Kay
Alan R Shapiro
Gary R Whipple
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.)
Smiths Medical ASD Inc
Original Assignee
Pharmacia Deltec Inc
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 Pharmacia Deltec Inc filed Critical Pharmacia Deltec Inc
Publication of DE68919182D1 publication Critical patent/DE68919182D1/de
Application granted granted Critical
Publication of DE68919182T2 publication Critical patent/DE68919182T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
    • A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
    • A61B5/062—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using magnetic field
DE68919182T 1988-09-13 1989-09-13 Verfahren und Gerät zur Ermittlung der Lage eines Katheters. Expired - Fee Related DE68919182T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/243,689 US4905698A (en) 1988-09-13 1988-09-13 Method and apparatus for catheter location determination

Publications (2)

Publication Number Publication Date
DE68919182D1 true DE68919182D1 (de) 1994-12-08
DE68919182T2 DE68919182T2 (de) 1995-06-22

Family

ID=22919731

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919182T Expired - Fee Related DE68919182T2 (de) 1988-09-13 1989-09-13 Verfahren und Gerät zur Ermittlung der Lage eines Katheters.

Country Status (11)

Country Link
US (1) US4905698A (de)
EP (2) EP0434745A1 (de)
JP (1) JP2777244B2 (de)
KR (1) KR0124415B1 (de)
AT (1) ATE113454T1 (de)
AU (1) AU633232B2 (de)
CA (1) CA1330108C (de)
DE (1) DE68919182T2 (de)
DK (1) DK44591A (de)
IE (1) IE62403B1 (de)
WO (1) WO1990002514A1 (de)

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US4905698A (en) 1990-03-06
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US4905698B1 (de) 1991-10-01
AU4227589A (en) 1990-04-02
IE892856L (en) 1990-03-13
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DK44591D0 (da) 1991-03-12
ATE113454T1 (de) 1994-11-15
EP0359697A1 (de) 1990-03-21
JP2777244B2 (ja) 1998-07-16
KR0124415B1 (ko) 1997-11-27
WO1990002514A1 (en) 1990-03-22
CA1330108C (en) 1994-06-07
EP0359697B1 (de) 1994-11-02
KR900701217A (ko) 1990-12-01
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AU633232B2 (en) 1993-01-21
DE68919182T2 (de) 1995-06-22

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