CN102626309B - Electrode for nerve electrophysiology monitoring in high field intensity magnetic resonance compatible technology - Google Patents
Electrode for nerve electrophysiology monitoring in high field intensity magnetic resonance compatible technology Download PDFInfo
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- CN102626309B CN102626309B CN201110074011.0A CN201110074011A CN102626309B CN 102626309 B CN102626309 B CN 102626309B CN 201110074011 A CN201110074011 A CN 201110074011A CN 102626309 B CN102626309 B CN 102626309B
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Abstract
The invention belongs to the field of medical instruments and auxiliary devices, and in particular relates to an electrode for nerve electrophysiology monitoring in high field intensity magnetic resonance compatible technology. The electrode comprises a probe electrode and a pin electrode, wherein the probe electrode is a spherical probe electrode, and the pin electrode is a pin-shaped electrode. The spherical probe electrode is composed of a head portion, an electrode rod, a handle, a wire and a plug. The pin type electrode is composed of a pin-shaped head portion, a handle, a wire and a plug. The wire penetrates through the handle to be welded with the head portion through silver, and the other end of the wire is rivet joint with the plug. A high field intensity magnetic field has small influence on the electrode for monitoring, and a heat effect and a displacement effect are small. The electrode for monitoring does not generate extra current and tissue burn, and can be safely applied in a high field intensity environment without interfering magnetic resonance imaging. A recording electrode does not need to be removed when nerve electrophysiology monitoring is performed, image analysis is not influenced, and operation is convenient, simple and standard.
Description
Technical field
The invention belongs to medical apparatus and instruments and auxiliary device field, relate to for monitoring device in the art under nuclear magnetic resonance (Magnetic Resonance Imaging, MRI) environment, be specifically related to a kind of electrode for meurophysiological monitoring of high-field strength magnetic resonance compatible surgery.
Background technology
At present in clinical treatment, the tumor operation of functional areas is taking at utmost tumor resection and minimum function damage as target, and in use in conjunction art Electrophysiology monitoring and intraoperative MRI real-time imaging to navigate be a kind of important means that improves at present tumor resection rate, reduces postoperative nervous function damage incidence rate.In clinical practice, because influencing each other, electromagnetic field produces heat effect, ferromagnetic metal displacement effect, magnetoelectric effect etc., in the process of said two devices use in conjunction, likely can there is brain tissue impairment, guard unsuccessfully, the problem such as MRI image fault, simultaneously, the mornitoring electrode of current application mostly is stainless steel electrode (paramagnetic material), it has following defect: can cause local susceptibility to change, show as " artifact " on MRI image.
At present, clinical practice is badly in need of overcoming Electrophysiology monitoring probe electrode and needle electrode in the art of high field intensity magnetic resonance compatible of above-mentioned defect, changes to solve the local susceptibility producing in practice, causes problems such as " artifacts " on MRI image.
Summary of the invention
The defect and the deficiency that the object of the invention is to overcome prior art, provide a kind of electrode for meurophysiological monitoring of high-field strength magnetic resonance compatible surgery; Relate in particular to Electrophysiology monitoring probe electrode and needle electrode in high field intensity magnetic resonance compatible art.
Monitoring of the present invention with probe electrode and needle electrode can be in magnetic field environment environment Secure Application, and simple and easy to operate.
Electrophysiology of the present invention monitoring adopts silver-colored titanium, aluminum, vitriol, carbon alloy to make with electrode, and this material is affected by magnetic fields little, can application safety in magnetic field environment and do not disturb nuclear magnetic resonance.
Particularly, electrode for meurophysiological monitoring of high-field strength magnetic resonance compatible surgery of the present invention, is characterized in that, described electrode comprises probe electrode and needle electrode; Wherein probe electrode is ball-type probe electrode, and needle electrode is pin type electrode.
In the present invention, described ball-type probe electrode is made up of head 1, electrode stem 2, handle 3, wire 4 and plug 5, and its head 1 is ball-type, and this spherical type head portion is positioned at the top of electrode stem 2, wire 4 connects with silver soldering through handle 3 and the other end of electrode stem 2, and the other end of this wire 4 and plug 5 are riveted.
Described pin type electrode is made up of aciculiform head 6, handle 7, wire 4 and plug 5, and this aciculiform head is positioned at the top of handle 3, and wire 4 connects with silver soldering through handle 7 and aciculiform head, and the other end of wire 4 and plug 5 are riveted.
In the present invention, the length of described electrode is that 1-5cm, diameter are 1-10mm, and length can be adjusted according to difference clinical and requirement of experiment with diameter.
In the present invention, described Electrophysiology monitoring adopts the insulation of teflon insulation cover with the ball-type probe electrode bar 2 of electrode with pin type electrode handle 7, for the protection of the head of electrode, can prevent that magnetoelectric effect from producing local current;
In the present invention, described handle 3 is human engineering profiling ABS handle, and its appearance looks elegant is smooth, applies simple and convenient;
In the present invention, described electrode stem 2 adopts silver soldering to connect with the connected mode of wire 4, can effectively avoid producing local current and heat; These wire 4 other ends and plug 5 are riveted;
In the present invention, it is the gold-plating plug of Φ 1.5 that described plug 5 adopts specification conventionally.
When use, can, according to the different parts of Electrophysiology monitoring in operation, select different ball-type probe electrodes or pin type electrode; The head 6 of described pin type electrode is inserted to testee's scalp or muscle, electrode plug 5 is connected to after electrophysiologic monitoring recording electrode box to Electrophysiology Real-Time Monitoring in performing the operation.
Operate through clinical practice, result shows, Electrophysiology monitoring of the present invention can overcome with electrode the defect that prior art exists, this neural electrophysiologic monitoring is affected by high field intensity magnetic field with electrode little, heat effect and displacement effect are little, do not produce extracurrent, do not produce tissue and burn, can be in high field intensity environment Secure Application, do not disturb nuclear magnetic resonance; And in the time that Electrophysiology is monitored, do not need to remove recording electrode, do not affect graphical analysis, easy and simple to handle, specification.
For the ease of understanding, below by the drawings and Examples by concrete, to Electrophysiology of the present invention, monitoring is described in detail with electrode.It needs to be noted, instantiation and accompanying drawing are only in order to illustrate, obviously those of ordinary skill in the art can, according to explanation herein, make various corrections and change to the present invention within the scope of the invention, and these corrections and change are also included in scope of the present invention.
Brief description of the drawings
Fig. 1 is ball-type probe electrode structural representation of the present invention,
Wherein, the 1st, head, the 2nd, electrode stem, the 3rd, handle, the 4th, wire, the 5th, plug.
Fig. 2 is pin type electrode structure schematic diagram of the present invention,
Wherein, the 6th, aciculiform head, the 7th, handle, the 4th, wire, the 5th, plug.
Detailed description of the invention
embodiment 1
As shown in Figure 1, this neural electrophysiologic monitoring adopts silver-colored titanium, aluminum, vitriol, carbon alloy to make ball-type probe electrode with electrode, this ball-type probe electrode is made up of head 1, electrode stem 2, handle 3, wire 4 and plug 5, its head 1 is ball-type, this spherical type head portion is positioned at the top of electrode stem 2, wire 4 connects with silver soldering through handle 3 and the other end of electrode stem 2, and the other end of this wire 4 and plug 5 are riveted.
In the present invention, the length of described electrode is that 1-5cm, diameter are 1-10mm, and length can be adjusted according to difference clinical and requirement of experiment with diameter; Ball-type probe electrode bar adopts the insulation of teflon insulation cover, for the protection of the head of electrode, can prevent that magnetoelectric effect from producing local current; Handle 3 is human engineering profiling ABS handle, and its appearance looks elegant is smooth, applies simple and convenient; Described electrode stem 2 adopts silver soldering to connect with the connected mode of wire 4, can effectively avoid producing local current and heat; These wire 4 other ends and plug 5 are riveted; It is the gold-plating plug of Φ 1.5 that this plug 5 adopts specification conventionally.
When use, can, according to the different parts of Electrophysiology monitoring in operation, select the ball-type probe electrode of different size; The head 1 of described ball-type probe electrode is placed on to testee's scalp or muscle position, electrode plug 5 is connected to after electrophysiologic monitoring recording electrode box to Electrophysiology Real-Time Monitoring in performing the operation.
The material that this neural electrophysiologic monitoring uses with electrode is affected by magnetic fields little, can application safety in magnetic field environment and do not disturb nuclear magnetic resonance.Show through result on trial, this neural electrophysiologic monitoring is affected by high field intensity magnetic field with electrode little, and heat effect and displacement effect are little, do not produce extracurrent, does not produce tissue and burns, can be in high field intensity environment Secure Application, do not disturb nuclear magnetic resonance; And in the time that Electrophysiology is monitored, do not need to remove recording electrode, do not affect graphical analysis, easy and simple to handle, specification.
embodiment 2
Shown in Fig. 2, adopt silver-colored titanium, aluminum, vitriol, carbon alloy to make pin type Electrophysiology monitoring electrode, described pin type electrode is made up of aciculiform head 6, handle 7, wire 4 and plug 5, this aciculiform head is positioned at the top of handle 3, wire 4 connects with silver soldering through handle 3 and aciculiform head, and the other end of wire 4 and plug 5 are riveted.
The length of pin type electrode of the present invention is generally 1-5cm, diameter is 1-10mm, this length can be adjusted according to difference clinical and requirement of experiment with diameter, described handle 7 adopts the insulation of teflon insulation cover, for the protection of the head of electrode, can prevent that magnetoelectric effect from producing local current; Described handle 7 adopts silver soldering to connect with the connected mode of wire 4, can effectively avoid producing local current and heat; These wire 4 other ends and plug 5 are riveted; It is the gold-plating plug of Φ 1.5 that this plug 5 adopts specification conventionally.
When use, can, according to the different parts of Electrophysiology monitoring in operation, select the pin type electrode of different size; The head 6 of described pin type electrode is inserted to testee's scalp or muscle, electrode plug 5 is connected to after electrophysiologic monitoring recording electrode box to Electrophysiology Real-Time Monitoring in performing the operation.
This neural electrophysiologic monitoring shows through result on trial with electrode, and it is little that electrode is affected by high field intensity magnetic field, and heat effect and displacement effect are little, do not produce extracurrent, do not produce tissue and burns, can be in high field intensity environment Secure Application, do not disturb nuclear magnetic resonance; And in the time that Electrophysiology is monitored, do not need to remove recording electrode, do not affect graphical analysis, easy and simple to handle, specification.
Claims (2)
1. probe electrode and needle electrode are combined in Electrophysiology application in electrode for monitoring of manufacturing in high field intensity magnetic resonance compatible art,
Wherein, the monitoring of the Electrophysiology in described high field intensity magnetic resonance compatible art is made up of described probe electrode and described needle electrode with electrode;
Wherein said probe electrode is ball-type probe electrode, and described needle electrode is pin type electrode;
Described ball-type probe electrode is made up of head (1), electrode stem (2), handle (3), wire (4) and plug (5), its head (1) is ball-type, this spherical type head portion is positioned at the top of electrode stem (2), wire (4) connects with silver soldering through handle (3) and the other end of electrode stem (2), the other end of this wire (4) and plug (5) riveted joint, wherein said electrode stem (2) adopts the insulation of teflon insulation cover, and described electrode stem (2) is straight;
Described pin type electrode is made up of aciculiform head (6), handle (7), wire (4) and plug (5), this aciculiform head is positioned at the top of handle (3), wire (4) connects with silver soldering through handle (7) and aciculiform head, the other end of wire (4) and plug (5) riveted joint, and wherein, described plug (5) adopts gold-plating plug, specification is Φ 1.5, and described handle (7) adopts the insulation of teflon insulation cover;
Described Electrophysiology monitoring adopts silver-colored titanium, aluminum, vitriol, carbon alloy to make with electrode.
2. application claimed in claim 1, is characterized in that, the described handle (3) of described ball-type probe electrode is human engineering profiling ABS handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110074011.0A CN102626309B (en) | 2011-03-27 | 2011-03-27 | Electrode for nerve electrophysiology monitoring in high field intensity magnetic resonance compatible technology |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201110074011.0A CN102626309B (en) | 2011-03-27 | 2011-03-27 | Electrode for nerve electrophysiology monitoring in high field intensity magnetic resonance compatible technology |
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| CN102626309A CN102626309A (en) | 2012-08-08 |
| CN102626309B true CN102626309B (en) | 2014-11-26 |
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| CN201110074011.0A Active CN102626309B (en) | 2011-03-27 | 2011-03-27 | Electrode for nerve electrophysiology monitoring in high field intensity magnetic resonance compatible technology |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105852858A (en) * | 2016-03-28 | 2016-08-17 | 西安富德医疗电子有限公司 | Disposable facial muscle needle electrode for medical use |
| CN109247932A (en) * | 2018-09-30 | 2019-01-22 | 复旦大学附属华山医院 | Electrophysiology for laparoscopy monitors electrode |
| CN111839511B (en) * | 2020-07-21 | 2021-08-10 | 浙江大学 | Magnetic compatible nerve probe and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117771A (en) * | 1993-12-14 | 1996-02-28 | Plc医药系统公司 | Unitary ECG monitor lead and needle electrode system |
| CN200980670Y (en) * | 2005-08-26 | 2007-11-28 | 翟映川 | Medical monitoring acupuncture electrode |
| CN101626723A (en) * | 2007-03-29 | 2010-01-13 | 日本生命线株式会社 | Electrode catheter |
| CN202060765U (en) * | 2011-03-27 | 2011-12-07 | 西安富德医疗电子有限公司 | Electrode for meurophysiological monitoring of high-field strength magnetic resonance compatible surgery |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030208252A1 (en) * | 2001-05-14 | 2003-11-06 | O' Boyle Gary S. | Mri ablation catheter |
| US8942781B2 (en) * | 2008-04-09 | 2015-01-27 | Universite Pierre Et Marie Curie (Paris 6) | Medical system comprising a percutaneous probe |
| US20120133363A1 (en) * | 2009-08-07 | 2012-05-31 | University Of Florida Research Foundation, Inc. | Magnetic resonance compatible and susceptibility-matched apparatus and method for mr imaging & spectroscopy |
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- 2011-03-27 CN CN201110074011.0A patent/CN102626309B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1117771A (en) * | 1993-12-14 | 1996-02-28 | Plc医药系统公司 | Unitary ECG monitor lead and needle electrode system |
| CN200980670Y (en) * | 2005-08-26 | 2007-11-28 | 翟映川 | Medical monitoring acupuncture electrode |
| CN101626723A (en) * | 2007-03-29 | 2010-01-13 | 日本生命线株式会社 | Electrode catheter |
| CN202060765U (en) * | 2011-03-27 | 2011-12-07 | 西安富德医疗电子有限公司 | Electrode for meurophysiological monitoring of high-field strength magnetic resonance compatible surgery |
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