DE10038737A1 - Catheter for magnetic resonance supported interventions, comprises a hollow section through which a media flows, and supply and removal openings - Google Patents

Catheter for magnetic resonance supported interventions, comprises a hollow section through which a media flows, and supply and removal openings

Info

Publication number
DE10038737A1
DE10038737A1 DE10038737A DE10038737A DE10038737A1 DE 10038737 A1 DE10038737 A1 DE 10038737A1 DE 10038737 A DE10038737 A DE 10038737A DE 10038737 A DE10038737 A DE 10038737A DE 10038737 A1 DE10038737 A1 DE 10038737A1
Authority
DE
Germany
Prior art keywords
catheter
mr
characterized
magnetic resonance
supply
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Withdrawn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
DE10038737A
Other languages
German (de)
Inventor
Oliver Wendt
Peter Diesing
Original Assignee
Oliver Wendt
Peter Diesing
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 Oliver Wendt, Peter Diesing filed Critical Oliver Wendt
Priority to DE10038737A priority Critical patent/DE10038737A1/en
Publication of DE10038737A1 publication Critical patent/DE10038737A1/en
Withdrawn legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES 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
    • A61M25/00Catheters; Hollow probes
    • A61M25/01Introducing, guiding, advancing, emplacing or holding catheters
    • A61M25/0105Steering means as part of the catheter or advancing means; Markers for positioning
    • A61M25/0127Magnetic means; Magnetic markers
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B90/00Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
    • A61B90/39Markers, e.g. radio-opaque or breast lesions markers
    • A61B2090/3954Markers, e.g. radio-opaque or breast lesions markers magnetic, e.g. NMR or MRI

Abstract

A catheter for magnetic resonance supported interventions, enables a magnetic resonance signal delivery media (2a) to be placed in a chosen location to give an intense signal. The medium is placed in or flows in a hollow section (2b). The catheter (1) has at least one supply and removal point.

Description

The invention relates to a catheter for magnetic resonance imaging examinations, which can be made visible in MR tomographic sectional images and with which Have anatomical structures such as blood vessels displayed in a signal-intensive manner.

Magnetic resonance imaging is an increasingly common imaging technique with strong magnetic fields without radiation and is primarily based on targeted excitation and measurement of hydrogen atoms under resonance. The signal intensity depends on this depends essentially on the number of hydrogen atom nuclei present at the measuring location, so that different hydrogen densities in the MR tomographic sectional image in corresponding Have signal intensity levels differentiated. Is the number of these hydrogen atom nuclei in However, if the body is only slight, the signal is correspondingly weak and the The measuring point or the measuring object is only weakly or not at all recognizable in the sectional view. This also represents a major problem with conventional catheters, because of their Material properties do not cause signal intensity and thus their clear location and not in the MR tomographic sectional image or in the body part to be displayed can be made visible.

With increasing indications in MR diagnostics and therapy, the demand for visualizable catheters and body parts such as B. of cardiac vessels more and more clearly.

The invention has solved this problem by using Catheters that can be provided with signaling media or the transport of these enable signaling media in a body.

The invention solves the problem by accommodating or flowing signal Media in specially designed catheter tubes. The signaling media can do this be arranged in cavities or directly on the surface of the catheter tubes. To the Flow through the signaling medium through a catheter to the examination site, there is at least one inlet and outlet opening on the catheter.

Exemplary embodiments of these catheters are shown with reference to FIGS. 1 to 7. Show:

FIG. 1a is a cross section of a catheter integrated contrast medium housing,

FIG. 1b a cross section of a catheter with Kontrastmittelapplizierung through the catheter,

Fig. 2 shows a catheter with near-surface opacifying layers,

Fig. 3 shows a catheter with a local signal source,

Fig. 4 shows a catheter with finely dispersely distributed capable contrast media,

Fig. 5 shows a catheter disposed in the radial direction of openings for application of contrast agents,

Fig. 6 shows a catheter disposed in the axial direction, openings for application of a contrast agent,

Fig. 7 are explanatory views of catheter sections with arrays of signaling lumens and other cavities in a catheter.

According to the invention the catheter 1 shown in Fig. 1a includes a trapped in the catheter MR signal forming medium 2a and a lumen 3, z. B. can be used for the injection of liquids for diagnostic or therapeutic reasons. FIG. 1b exemplifies a further embodiment of the catheter 1. Here, a body, the MR-signal-generating medium 2 a via access through an opening 4 are added.

For example, according to FIG. 2, the MR signaling medium 2 a is placed between the catheter tube 1 and a jacket 5 , which can be a tube.

In the applications described, the exact position of a part (eg a balloon) of the catheter is often required, which can then be localized by means of a locally limited MR signaling region described in FIG. 3. The signaling medium 2 a is applied radially to a portion of the catheter 1 and by an additional cover layer 6 , the z. B can be a hose section covered.

A further possibility for adaptation of a catheter of the signal-generating properties shown in Fig. 4, adapted to the signal-generating properties of finely dispersed introduction of MR-signal-generating medium 2 a of the catheter can be achieved in the catheter tube 1, whereby particularly homogeneous material properties.

In Fig. 5 and Fig. 6, the options are displayed, through openings 4 in the catheter 1, an MR signal forming medium 2 to inject a. In this case, these openings 6 can 4 according to the invention corresponding to Fig. 5 may be arranged in radial direction on the catheter 1, or according to Fig. Axially the Applizierung of signaling media 2 a permit.

The possibilities for arranging the lumens for the signaling medium 2 a and the lumens 3 for introducing further diagnostic or therapeutic aids are shown in FIG. 7.

LIST OF REFERENCE NUMBERS

1

catheter

2

a signaling medium

2

b lumens

3

Cavity in the catheter

4

Radial / axial openings

5

coat

6

Local top layer

Claims (6)

1. Catheter for MR-guided interventions, which can be achieved by placing the MR signal-generating media pictures (2 a) tomographic completely or in selected portions of the MR slice image signal intensively and / or MR-signal-generating means of which media (2 a) (1 ) have it delivered to a body.
2. Catheter according to claim 1, characterized in that the MR signaling medium ( 2 a) in at least one cavity ( 2 b) can be accommodated or flowed through.
3. Catheter according to claim 1, characterized in that the MR signaling medium ( 2 a) is finely dispersed in the material of the catheter ( 1 ).
4. Catheter according to claim 1, characterized in that the catheter ( 1 ) has at least one inflow and outflow for the MR signaling medium ( 2 a) in a radial and / or axial arrangement ( 4 ) on the catheter.
5. Catheter according to claim 1, characterized in that the MR signaling medium ( 2 a) for the surrounding medium is applied soluble or insoluble.
6. Catheter according to claim 1, characterized in that at least one cavity ( 3 ) is present in the catheter ( 1 ) for the supply and / or accommodation of substances such as medications, infusion solutions, guide wires, implants or medical instruments.
DE10038737A 2000-08-02 2000-08-02 Catheter for magnetic resonance supported interventions, comprises a hollow section through which a media flows, and supply and removal openings Withdrawn DE10038737A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE10038737A DE10038737A1 (en) 2000-08-02 2000-08-02 Catheter for magnetic resonance supported interventions, comprises a hollow section through which a media flows, and supply and removal openings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10038737A DE10038737A1 (en) 2000-08-02 2000-08-02 Catheter for magnetic resonance supported interventions, comprises a hollow section through which a media flows, and supply and removal openings

Publications (1)

Publication Number Publication Date
DE10038737A1 true DE10038737A1 (en) 2002-02-14

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DE10038737A Withdrawn DE10038737A1 (en) 2000-08-02 2000-08-02 Catheter for magnetic resonance supported interventions, comprises a hollow section through which a media flows, and supply and removal openings

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Cited By (69)

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WO2012100095A1 (en) * 2011-01-19 2012-07-26 Boston Scientific Scimed, Inc. Guide-compatible large-electrode catheter for renal nerve ablation with reduced arterial injury
US8880185B2 (en) 2010-06-11 2014-11-04 Boston Scientific Scimed, Inc. Renal denervation and stimulation employing wireless vascular energy transfer arrangement
US8939970B2 (en) 2004-09-10 2015-01-27 Vessix Vascular, Inc. Tuned RF energy and electrical tissue characterization for selective treatment of target tissues
US8951251B2 (en) 2011-11-08 2015-02-10 Boston Scientific Scimed, Inc. Ostial renal nerve ablation
US8974451B2 (en) 2010-10-25 2015-03-10 Boston Scientific Scimed, Inc. Renal nerve ablation using conductive fluid jet and RF energy
US9023034B2 (en) 2010-11-22 2015-05-05 Boston Scientific Scimed, Inc. Renal ablation electrode with force-activatable conduction apparatus
US9028472B2 (en) 2011-12-23 2015-05-12 Vessix Vascular, Inc. Methods and apparatuses for remodeling tissue of or adjacent to a body passage
US9050106B2 (en) 2011-12-29 2015-06-09 Boston Scientific Scimed, Inc. Off-wall electrode device and methods for nerve modulation
US9060761B2 (en) 2010-11-18 2015-06-23 Boston Scientific Scime, Inc. Catheter-focused magnetic field induced renal nerve ablation
US9079000B2 (en) 2011-10-18 2015-07-14 Boston Scientific Scimed, Inc. Integrated crossing balloon catheter
US9084609B2 (en) 2010-07-30 2015-07-21 Boston Scientific Scime, Inc. Spiral balloon catheter for renal nerve ablation
US9089350B2 (en) 2010-11-16 2015-07-28 Boston Scientific Scimed, Inc. Renal denervation catheter with RF electrode and integral contrast dye injection arrangement
US9119632B2 (en) 2011-11-21 2015-09-01 Boston Scientific Scimed, Inc. Deflectable renal nerve ablation catheter
US9119600B2 (en) 2011-11-15 2015-09-01 Boston Scientific Scimed, Inc. Device and methods for renal nerve modulation monitoring
US9125667B2 (en) 2004-09-10 2015-09-08 Vessix Vascular, Inc. System for inducing desirable temperature effects on body tissue
US9125666B2 (en) 2003-09-12 2015-09-08 Vessix Vascular, Inc. Selectable eccentric remodeling and/or ablation of atherosclerotic material
US9155589B2 (en) 2010-07-30 2015-10-13 Boston Scientific Scimed, Inc. Sequential activation RF electrode set for renal nerve ablation
US9162046B2 (en) 2011-10-18 2015-10-20 Boston Scientific Scimed, Inc. Deflectable medical devices
US9173696B2 (en) 2012-09-17 2015-11-03 Boston Scientific Scimed, Inc. Self-positioning electrode system and method for renal nerve modulation
US9186210B2 (en) 2011-10-10 2015-11-17 Boston Scientific Scimed, Inc. Medical devices including ablation electrodes
US9186209B2 (en) 2011-07-22 2015-11-17 Boston Scientific Scimed, Inc. Nerve modulation system having helical guide
US9192790B2 (en) 2010-04-14 2015-11-24 Boston Scientific Scimed, Inc. Focused ultrasonic renal denervation
US9192435B2 (en) 2010-11-22 2015-11-24 Boston Scientific Scimed, Inc. Renal denervation catheter with cooled RF electrode
US9220558B2 (en) 2010-10-27 2015-12-29 Boston Scientific Scimed, Inc. RF renal denervation catheter with multiple independent electrodes
US9265969B2 (en) 2011-12-21 2016-02-23 Cardiac Pacemakers, Inc. Methods for modulating cell function
US9277955B2 (en) 2010-04-09 2016-03-08 Vessix Vascular, Inc. Power generating and control apparatus for the treatment of tissue
US9297845B2 (en) 2013-03-15 2016-03-29 Boston Scientific Scimed, Inc. Medical devices and methods for treatment of hypertension that utilize impedance compensation
US9326751B2 (en) 2010-11-17 2016-05-03 Boston Scientific Scimed, Inc. Catheter guidance of external energy for renal denervation
US9327100B2 (en) 2008-11-14 2016-05-03 Vessix Vascular, Inc. Selective drug delivery in a lumen
US9358365B2 (en) 2010-07-30 2016-06-07 Boston Scientific Scimed, Inc. Precision electrode movement control for renal nerve ablation
US9364284B2 (en) 2011-10-12 2016-06-14 Boston Scientific Scimed, Inc. Method of making an off-wall spacer cage
US9408661B2 (en) 2010-07-30 2016-08-09 Patrick A. Haverkost RF electrodes on multiple flexible wires for renal nerve ablation
US9420955B2 (en) 2011-10-11 2016-08-23 Boston Scientific Scimed, Inc. Intravascular temperature monitoring system and method
US9433760B2 (en) 2011-12-28 2016-09-06 Boston Scientific Scimed, Inc. Device and methods for nerve modulation using a novel ablation catheter with polymeric ablative elements
US9463062B2 (en) 2010-07-30 2016-10-11 Boston Scientific Scimed, Inc. Cooled conductive balloon RF catheter for renal nerve ablation
US9486355B2 (en) 2005-05-03 2016-11-08 Vessix Vascular, Inc. Selective accumulation of energy with or without knowledge of tissue topography
US9579030B2 (en) 2011-07-20 2017-02-28 Boston Scientific Scimed, Inc. Percutaneous devices and methods to visualize, target and ablate nerves
US9649156B2 (en) 2010-12-15 2017-05-16 Boston Scientific Scimed, Inc. Bipolar off-wall electrode device for renal nerve ablation
US9668811B2 (en) 2010-11-16 2017-06-06 Boston Scientific Scimed, Inc. Minimally invasive access for renal nerve ablation
US9687166B2 (en) 2013-10-14 2017-06-27 Boston Scientific Scimed, Inc. High resolution cardiac mapping electrode array catheter
US9693821B2 (en) 2013-03-11 2017-07-04 Boston Scientific Scimed, Inc. Medical devices for modulating nerves
US9707036B2 (en) 2013-06-25 2017-07-18 Boston Scientific Scimed, Inc. Devices and methods for nerve modulation using localized indifferent electrodes
US9770606B2 (en) 2013-10-15 2017-09-26 Boston Scientific Scimed, Inc. Ultrasound ablation catheter with cooling infusion and centering basket
US9808311B2 (en) 2013-03-13 2017-11-07 Boston Scientific Scimed, Inc. Deflectable medical devices
US9808300B2 (en) 2006-05-02 2017-11-07 Boston Scientific Scimed, Inc. Control of arterial smooth muscle tone
US9827039B2 (en) 2013-03-15 2017-11-28 Boston Scientific Scimed, Inc. Methods and apparatuses for remodeling tissue of or adjacent to a body passage
US9833283B2 (en) 2013-07-01 2017-12-05 Boston Scientific Scimed, Inc. Medical devices for renal nerve ablation
US9848946B2 (en) 2010-11-15 2017-12-26 Boston Scientific Scimed, Inc. Self-expanding cooling electrode for renal nerve ablation
US9895194B2 (en) 2013-09-04 2018-02-20 Boston Scientific Scimed, Inc. Radio frequency (RF) balloon catheter having flushing and cooling capability
US9907609B2 (en) 2014-02-04 2018-03-06 Boston Scientific Scimed, Inc. Alternative placement of thermal sensors on bipolar electrode
US9925001B2 (en) 2013-07-19 2018-03-27 Boston Scientific Scimed, Inc. Spiral bipolar electrode renal denervation balloon
WO2018054424A1 (en) * 2016-09-21 2018-03-29 Otto-Von-Guericke-Universität Magdeburg, Patentwesen Marker for visualization during mr imaging
US9943365B2 (en) 2013-06-21 2018-04-17 Boston Scientific Scimed, Inc. Renal denervation balloon catheter with ride along electrode support
US9956033B2 (en) 2013-03-11 2018-05-01 Boston Scientific Scimed, Inc. Medical devices for modulating nerves
US9962223B2 (en) 2013-10-15 2018-05-08 Boston Scientific Scimed, Inc. Medical device balloon
US9974607B2 (en) 2006-10-18 2018-05-22 Vessix Vascular, Inc. Inducing desirable temperature effects on body tissue
US10022182B2 (en) 2013-06-21 2018-07-17 Boston Scientific Scimed, Inc. Medical devices for renal nerve ablation having rotatable shafts
US10085799B2 (en) 2011-10-11 2018-10-02 Boston Scientific Scimed, Inc. Off-wall electrode device and methods for nerve modulation
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US9125667B2 (en) 2004-09-10 2015-09-08 Vessix Vascular, Inc. System for inducing desirable temperature effects on body tissue
US8939970B2 (en) 2004-09-10 2015-01-27 Vessix Vascular, Inc. Tuned RF energy and electrical tissue characterization for selective treatment of target tissues
US9486355B2 (en) 2005-05-03 2016-11-08 Vessix Vascular, Inc. Selective accumulation of energy with or without knowledge of tissue topography
US9808300B2 (en) 2006-05-02 2017-11-07 Boston Scientific Scimed, Inc. Control of arterial smooth muscle tone
US10213252B2 (en) 2006-10-18 2019-02-26 Vessix, Inc. Inducing desirable temperature effects on body tissue
US10413356B2 (en) 2006-10-18 2019-09-17 Boston Scientific Scimed, Inc. System for inducing desirable temperature effects on body tissue
US9974607B2 (en) 2006-10-18 2018-05-22 Vessix Vascular, Inc. Inducing desirable temperature effects on body tissue
US9327100B2 (en) 2008-11-14 2016-05-03 Vessix Vascular, Inc. Selective drug delivery in a lumen
US9277955B2 (en) 2010-04-09 2016-03-08 Vessix Vascular, Inc. Power generating and control apparatus for the treatment of tissue
US9192790B2 (en) 2010-04-14 2015-11-24 Boston Scientific Scimed, Inc. Focused ultrasonic renal denervation
US8880185B2 (en) 2010-06-11 2014-11-04 Boston Scientific Scimed, Inc. Renal denervation and stimulation employing wireless vascular energy transfer arrangement
US9358365B2 (en) 2010-07-30 2016-06-07 Boston Scientific Scimed, Inc. Precision electrode movement control for renal nerve ablation
US9155589B2 (en) 2010-07-30 2015-10-13 Boston Scientific Scimed, Inc. Sequential activation RF electrode set for renal nerve ablation
US9463062B2 (en) 2010-07-30 2016-10-11 Boston Scientific Scimed, Inc. Cooled conductive balloon RF catheter for renal nerve ablation
US9408661B2 (en) 2010-07-30 2016-08-09 Patrick A. Haverkost RF electrodes on multiple flexible wires for renal nerve ablation
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US8974451B2 (en) 2010-10-25 2015-03-10 Boston Scientific Scimed, Inc. Renal nerve ablation using conductive fluid jet and RF energy
US9220558B2 (en) 2010-10-27 2015-12-29 Boston Scientific Scimed, Inc. RF renal denervation catheter with multiple independent electrodes
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US9089350B2 (en) 2010-11-16 2015-07-28 Boston Scientific Scimed, Inc. Renal denervation catheter with RF electrode and integral contrast dye injection arrangement
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US9220561B2 (en) 2011-01-19 2015-12-29 Boston Scientific Scimed, Inc. Guide-compatible large-electrode catheter for renal nerve ablation with reduced arterial injury
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US9770606B2 (en) 2013-10-15 2017-09-26 Boston Scientific Scimed, Inc. Ultrasound ablation catheter with cooling infusion and centering basket
US9962223B2 (en) 2013-10-15 2018-05-08 Boston Scientific Scimed, Inc. Medical device balloon
US10271898B2 (en) 2013-10-25 2019-04-30 Boston Scientific Scimed, Inc. Embedded thermocouple in denervation flex circuit
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