CN201127791Y - Medical non-implantation type optic nerve electric stimulation electrode - Google Patents

Medical non-implantation type optic nerve electric stimulation electrode Download PDF

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Publication number
CN201127791Y
CN201127791Y CNU2007200263017U CN200720026301U CN201127791Y CN 201127791 Y CN201127791 Y CN 201127791Y CN U2007200263017 U CNU2007200263017 U CN U2007200263017U CN 200720026301 U CN200720026301 U CN 200720026301U CN 201127791 Y CN201127791 Y CN 201127791Y
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China
Prior art keywords
electrode
optic nerve
diameter
stem
electrode contact
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Expired - Fee Related
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CNU2007200263017U
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Chinese (zh)
Inventor
段亚东
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SHANGDONG LIANGSHAN SANLI RESIN Co Ltd
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SHANGDONG LIANGSHAN SANLI RESIN Co Ltd
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Priority to CNU2007200263017U priority Critical patent/CN201127791Y/en
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Abstract

The utility model relates to a medical implanted optic nerve electrical stimulus electrode, in particular to a medical electronic impulse implanted optic nerve electrical stimulus electrode treatment apparatus. The front end of an electrode pole is provided with an electrode contact terminal; the rear end of the electrode pole is connected with an electrode lead; the diameter of the electrode pole is 1-3 mm, and the diameter of the electrode contact terminal is set as 2-30 mm; the electrode contact terminal is set as a round shape, an oval shape, an annular shape or a sphere shape; the contact stimulus face is set as a plane shape, a concave shape or a convex shape. The diameter of the electrode contact terminal is 3-30 mm larger than the diameter of the electrode pole; the appearance of the electrode contact terminal is large, and the appearance of the electrode pole is small; the electrode pole of the electrode head is connected with the electrode lead in a handle as a whole. Except for the stimulus face, the surface of the electrode pole and the electrode contact terminal are both coated with insulated dope to form an insulated layer. The electrode pole is designed with a 5-90 degree bend. The medical implanted optic nerve electrical stimulus electrode has simple structure and convenient operation, can perform direct impulse electrical stimulus effect through the eye socket skin, the cornea, the conjunctiva, the sclera and the optic nerve, and is easy to be generalized and used in clinic.

Description

Medical non-built-in mode optic nerve electric stimulation electrode
Technical field:
This utility model relates to a kind of medical non-built-in mode optic nerve electric stimulation electrode, particularly the therapeutic equipments equipment of medical electronics pulse non-built-in mode optic nerve electric stimulation electrode.
Background technology:
At present, patient's optical fundus degeneration, atrophy and ischemic diseases has high incidence, high blind rate, do not have the characteristics of effective treatment measure, is one of technical barrier of international ophthalmiatrics.Nerve electric stimulation is one of treatment measure of internationally recognized promotion neuranagenesis or function reparation, is divided into two kinds of stimulating methods of implanted and non-built-in mode.The implantable nerve electricity irritation is meant the Therapeutic Method that pulse generator, lead and stimulating electrode are implanted.The optic nerve prosthese belongs to the implantable nerve electricity irritation, be divided into artificial retina, optic nerve prosthese and look the cortex prosthese, it is accurate and biocompatibility is high, instrument is extremely expensive, operation is extremely complicated, easily cause multiple complications in the body, need regularly replace battery, only be adapted to technological deficiency such as optic neuropathy patient in late period to have a requirement height of instrument.The optic nerve prosthese only has the minute quantity case report in the U.S., Germany, and China does not have the clinical practice report, is difficult to clinical application.Up to the present, on market, do not see the electrode special that is used for retina and optic nerve electricity irritation of non-built-in mode as yet, in retinopathy, use so limited the non-built-in mode nerve electric stimulation.
Summary of the invention:
The purpose of this utility model is to overcome deficiency of the prior art, a kind of medical non-built-in mode optic nerve electric stimulation electrode is provided, it is to adopt electric stimulation electrode to have through eye socket skin, through cornea, through conjunctiva, through sclera and the direct low-frequency pulse nerve electric stimulation of optic nerve effect, promote optic nerve regeneration or function reparation, reach the patient of treatment optical fundus degeneration, atrophy and ischemic diseases.
The medical non-built-in mode optic nerve of this utility model electric stimulation electrode takes following technical scheme to realize, it is to be made of electrode cable and electrode stem and electrode contact and handle, the electrode stem front end is provided with electrode contact, electrode stem rear end connection electrode lead, the electrode stem diameter is the 1-3 millimeter, the electrode contact diameter is set to the 2-30 millimeter, and the electrode contact profile is arranged to circle, ellipse, annular or spherical, and thigmic stimulus face is arranged to planar shaped, concave shape or convex.The electrode contact diameter is greater than electrode stem diameter 3-30 millimeter, and the electrode contact profile of electrode tip is big, and the electrode stem profile is little, and electrode contact diameter and electrode stem diameter are arranged to equal sizes.The electrode stem of electrode tip is installed within the handle, and is connected one with electrode cable.For the clinical electrode tip that is convenient for changing, electrode tip can be prepared into a single component, to assemble in the electrode stem insertion handle with the required form electrode tip during application, the electrode cable in the electrode stem of electrode tip and the handle connects as one.Electrode stem and electrode contact surface form insulating barrier by the coatings coating except that stimulation face.Electrode stem prepares the bending of 5-90 degree.
The effect of the medical non-built-in mode optic nerve of this utility model electric stimulation electrode is simple in structure, easy to operate, non-built-in mode optic nerve electric stimulation electrode equipment, carry out through eye socket skin, through cornea, through conjunctiva, through sclera and the direct electric-impulse stimulation effect of optic nerve, avoided the implanted prosthetics defective of optic nerve prosthese, electrode structure is simple, is easy to manufacture, cost is low, is easy to clinical universal use.
Description of drawings:
The medical non-built-in mode optic nerve of this utility model electric stimulation electrode will describe in further detail in conjunction with the accompanying drawings.
Fig. 1 is the circular electrode structure of contact terminal sketch map of medical non-built-in mode optic nerve electric stimulation electrode.
Fig. 2 is the spheric electrode structure of contact terminal sketch map of medical non-built-in mode optic nerve electric stimulation electrode.
Fig. 3 is the oval-shaped electrode structure of contact terminal sketch map of medical non-built-in mode optic nerve electric stimulation electrode.
Fig. 4 is the annular electrode structure of contact terminal sketch map of medical non-built-in mode optic nerve electric stimulation electrode.
1---electrode cable 2-electrode stem 3---electrode contact 4---handle
The specific embodiment:
With reference to Fig. 1,2,3,4, the medical non-built-in mode optic nerve of this utility model electric stimulation electrode, it is to be made of with electrode contact 3 and handle 4 electrode cable 1 and electrode stem 2, electrode stem 2 front ends are provided with electrode contact 3, electrode stem 2 rear end connection electrode leads 1, electrode stem 2 diameters are the 1-3 millimeter, electrode contact 3 diameters are set to the 2-30 millimeter, electrode contact 3 profiles are arranged to circle, ellipse, annular or spherical, and thigmic stimulus face is arranged to planar shaped, concave shape or convex.Electrode contact 3 diameters are greater than electrode stem 2 diameter 3-30 millimeters, and electrode contact 3 profiles of electrode tip are big, and electrode stem 2 profiles are little, and electrode contact 3 diameters and electrode stem 2 diameters are arranged to equal sizes.The electrode stem 2 of electrode tip is installed within the handle 4, and is connected one with electrode cable 1.For the clinical electrode tip that is convenient for changing, electrode tip is prepared into a single component, the electrode stem 2 with the required form electrode tip during application inserts assembling in the handle 4, and the electrode stem 2 of electrode tip and the electrode cable 1 in the handle 4 connect as one.Electrode stem 2 and electrode contact 3 surfaces form insulating barrier by the coatings coating except that stimulation face.Electrode stem 2 is arranged to the bending of 5-90 degree.
The embodiment of the medical non-built-in mode optic nerve of this utility model electric stimulation electrode, it is made up of with electrode contact 3 and handle 4 electrode cable l and electrode stem 2.The common medical electrode lead 1 of choosing folding forms electrode cable 1; Conductive materials such as choosing folding silver oxide, platinum, ferrum, copper, rustless steel, platinum, platinoiridita, nickel, titanium or tungsten prepare electrode stem 2 and electrode contact 3, and can select one or more materials for use according to the character and the actual needs that use of various conductive materials.Usually use rustless steel as electrode stem 2, choosing folding platinumiridio is as electrode contact 3; Add iridium in the platinum alloy and can improve its machining property, weldability, corrosion resistance, the ratio of platinumiridio is 80: 20-99: 1, and preferred platinum 95: iridium 5.Electrode stem 2 front ends are prepared into the electrode tip that electrode contact 3 constitutes one, electrode contact 3 is arranged to circle, ellipse, annular or spherical, the electricity irritation face that promptly contacts foremost of electrode contact 3 with tissue, be set to planar shaped, concave shape or convex, purpose is that the stimulation face of electrode contact 3 contacts with stimulation location tissue tight, and preferred concave shape, planar shaped stimulate face.Electrode stem 2 diameters are arranged to the 1-3 millimeter, electrode contact 3 diameters are arranged to the 3-30 millimeter, it is big to be arranged to electrode contact 3 profiles, the electrode tip that electrode stem 2 profiles are little, usually electrode contact 3 diameters also can be arranged to the same diameter size with electrode contact 3 and electrode stem 2 greater than electrode stem 2 diameter 3-30 millimeters.Electrode tip be provided with two kinds, a kind of is directly to be arranged to electrode contact 3 foremost at electrode stem 2, electrode stem 2 is set to integrally formed electrode tip with electrode contact 3, another kind is to prepare electrode contact 3 by platinumiridio, the electrode stem 2 of metals such as rustless steel preparations and platinumiridio electrode contact 3 is connected by welding method again.Choosing folding lucite and plastics prepare handle 4 with metal or rustless steel, within the end insertion handle 4 with electrode cable 1, and are connected as a single entity.Medical non-built-in mode optic nerve electric stimulation electrode is provided with two types, and a kind of is that electrode tip is inserted within the handle 4, and the electrode stem 2 of electrode tip is connected with electrode cable 1, and is set to one with handle 4.Another kind is the single electrode tip of being arranged to different electrode contact 3 profiles or stimulating face, and the kind electrode head is selected different electrode contacts 3 according to the clinical practice needs, is inserted into assembling application in the electrode handle 4.Described annular electrode is to be arranged to a circular electrode contact 3, get out a round diameter breach in electrode contact 3 central authorities, usually there is diameter 1-12 millimeter circumferential notch annular electrode contact 3 in the central authorities of preparation diameter 4-20 millimeter, 1-3 electrode stem 2 of preparation on annular electrode contact 3, if when preparing two or three electrode stems 2, the not end of two or three electrode stems 2 is converted into one electrode stem 2.Electrode stem 2 can prepare the bending of 5-90 degree, and purpose is to make things convenient for the electricity irritation of eyeball rear portion.Electrode stem 2 and electrode contact 3 surfaces, except that stimulation face, all form insulating barrier with the coatings coating, usually with politef (Teflon, polytetrafluoroethylene) coating insulation, its objective is when inserting the optic nerve electricity irritation of eyeball rear portion, the stimulation mask of only guaranteed electricity irritation contact has the electricity irritation effect, and avoiding electrode contact 3 other positions not have again has the electricity irritation effect.
This optic nerve electric stimulation electrode links to each other with the nerve electric stimulation device by electrode cable 1, human body is carried out the electric-impulse stimulation treatment: using method, this optic nerve electric stimulation electrode can be positioned on eye socket top, bottom or the eyeball, carries out transcutaneous electric nerve stimulation.A plurality of human acupoints are gathered in the eye socket upper and lower, for example the astute cave of endocanthion; There is cave on Shangming acupoint, the socket of the eye on eye socket top; There are chengqi, Qiuhou acupoint in the eye socket bottom; Outer canthus is good for bright cave; This Neural stimulation electrodes is placed on these acupuncture points, carry out percutaneous acupuncture point electricity irritation effect.Under conjunctival surface anesthesia or the conjunctiva, under the retrobulbar injection anesthesia, eye speculum opens eyelid, the electrode contact 3 of pen type optic nerve electric stimulation electrode is extend into arched roof position conjunctiva, and electrode contact 3 is close on conjunctiva and the sclera, carry out through the electricity irritation of conjunctiva optic nerve.Also can be under anesthesia, cut off osculum of conjunctiva, the electrode contact 3 of optic nerve electric stimulation electrode is inserted into the scleral surface at eyeball rear portion by conjunctival incision, carry out trans-scleral optic nerve electricity irritation, electrode contact is directly contacted the optic nerve surface, carry out the optic nerve stimulus of direct current.

Claims (5)

1. medical non-built-in mode optic nerve electric stimulation electrode, it is to be made of with electrode contact (3) and handle (4) electrode cable (1) and electrode stem (2), it is characterized in that electrode stem (2) front end is provided with the electrode tip that electrode contact (3) constitutes one, electrode contact (3) is arranged to diameter 2-30 millimeter, electrode contact (3) profile is circular, oval, annular or spherical, and stimulation face is planar shaped, concave shape or convex.
2. according to the described medical non-built-in mode optic nerve electric stimulation electrode of claim 1, it is characterized in that: electrode stem (2) diameter 1-3 millimeter, electrode contact (3) diameter 2-30 millimeter.
3. according to the described medical non-built-in mode optic nerve electric stimulation electrode of claim 1, it is characterized in that: electrode stem of electrode tip (2) and handle (4) are set to one.
4. according to the described medical non-built-in mode optic nerve electric stimulation electrode of claim 1, it is characterized in that: electrode tip and electrode stem (2) are provided with the bending of 5-90 degree.
5. according to the described medical non-built-in mode optic nerve electric stimulation electrode of claim 1, it is characterized in that: electrode stem (2) and electrode contact (3) surface all form insulating barrier with the coatings coating except that stimulation face.
CNU2007200263017U 2007-08-01 2007-08-01 Medical non-implantation type optic nerve electric stimulation electrode Expired - Fee Related CN201127791Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104368086A (en) * 2014-11-29 2015-02-25 安阳市翔宇医疗设备有限责任公司 Multifunctional physical therapy follower
CN108670191A (en) * 2018-06-12 2018-10-19 中国人民解放军陆军军医大学第附属医院 Eye electrode

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104368086A (en) * 2014-11-29 2015-02-25 安阳市翔宇医疗设备有限责任公司 Multifunctional physical therapy follower
CN108670191A (en) * 2018-06-12 2018-10-19 中国人民解放军陆军军医大学第附属医院 Eye electrode

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Granted publication date: 20081008

Termination date: 20110801