CN1085766A - DC neuro-stimulation instrument - Google Patents

DC neuro-stimulation instrument Download PDF

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Publication number
CN1085766A
CN1085766A CN 93106934 CN93106934A CN1085766A CN 1085766 A CN1085766 A CN 1085766A CN 93106934 CN93106934 CN 93106934 CN 93106934 A CN93106934 A CN 93106934A CN 1085766 A CN1085766 A CN 1085766A
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probe
handle
resistor
connected
wire
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CN 93106934
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Chinese (zh)
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张志光
陈光晔
任材年
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中山医科大学孙逸仙纪念医院
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Abstract

This nerve recognizing instrument consists of positive-electrode probe, its seat and handle, conductor, and negative-electrode probe. There are three resistors (0.3mA, 0.6mA and 1mA) in the handle. The said product has the advantages of conforming to physiological requirements, small volume, multiple ranges and convenient operation, and may be used in the operation which needs recognizing of surrounding nerves in order to distinguish muscle from the connective tissue, especially recognition and anastomosing of nerves in the operation of E.N.T. department and micro-surgery.

Description

本发明属于一种医疗器械,是临床口腔科、耳鼻喉科和外科手术中用于识别颅神经和周围神经的仪器。 The present invention pertains to a medical device, clinical dentistry, ENT surgery and an instrument for identifying the cranial nerves and peripheral nerves.

中国专利89204024.6的直流电神经刺激器,当电源通过其电阻后,电流只有0.6mA一个档次,在使用过程中,对于有部分变性或陈旧性损伤的神经刺激强度不够大,而对于神经束的对位缝合时刺激强度又显得过大。 Chinese Patent No. 89204024.6 DC neural stimulator, when the power supply through a resistance, a current of only 0.6mA grade, during use, some degeneration of nerve injury or old stimulus intensity is not big enough, and for the position of nerve bundles suture stimulus intensity and it looks too big. 另一方面,由于其探针为双头,在耳鼻喉科和显微外科手术中不能使用。 On the other hand, since it is a double probe, it can not be used in the ENT surgery and microsurgery.

本发明的目的在于提供一种易于识别颅神经和周围神经的、新型的直流电神经刺激器。 Object of the present invention is to provide an easy identification of the cranial nerves and peripheral nerves, the new DC neurostimulator.

本发明是这样实现的,它由正极探针(1)、针座(2)和手柄(3)、导线(11)和负极探针(4)所组成,正极探针(1)插入针座(2)固定,针座(2)套接在手柄(3)内,且可旋转;正极探针(1)与手柄(3)内的电阻(5)、(6)、(7)分别旋转至相对位置连接,电阻(5)、(6)、(7)呈120°分布,它们的另一端通过一块铜片与电池(8)连接,电池(8)的负极与弹簧(9)相连,弹簧(9)与发光二极管(10)的正极连接,发光二极管(10)与导线(11)连接,导线(11)从手柄(3)尾部穿出后与负极探针(4)连接。 The present invention is achieved in that a positive electrode probe (1), the needle hub (2) and a handle (3), the wire (11) and the negative probe (4) consisting of a positive electrode probe (1) is inserted into the needle hub (2) fixing the needle hub (2) in the handle socket (3), and is rotatable; a positive probe (1) and the handle resistor (5) in (3), (6), (7) rotation, respectively position relative to the connector, a resistor (5), (6), (7) as a 120 ° distribution, and the other end thereof with copper by a battery (8), battery (8) and a negative spring (9) is connected, a spring (9) and a light emitting diode (10) connected to the positive electrode, a light emitting diode (10) and the wire (11), the wire (11) (4) connected to the negative probe from the handle after piercing (3) tail.

下面结合附图和实施例对本发明作详细描述。 The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

图1为本发明的主视图。 1 is a front view of the present invention, FIG.

图2为本发明的纵剖面图。 FIG 2 is a longitudinal sectional view of the present disclosure.

本发明由正极探针(1)、针座(2)、手柄(3)、导线(11)和负极探针(4)所组成;正极探针(1)为不锈钢材料制成,长约38mm,直径小于1mm,钝头,等长,其插入针座(2)固定,针座(2)套接在手柄(3)内,且可旋转;正极探针(1)与手柄(3)内的电组(5)、(6)、(7)分别旋转至相对位置连接,电阻(5)、(6)、(7)呈120°分布,它们的另一端通过一块铜片与电池(8)连接,电池(8)与弹簧(9)相连,弹簧(9)与发光二极管(10)的正极连接,发光二极管(10)与导线(11)连接,导线(11)从手柄(3)尾部穿出后与负极探针(4)连接。 The present invention is a positive electrode probe (1), the needle hub (2), a handle (3), the wire (11) and the negative probe (4) is composed; a positive probe (1) is made of stainless steel, about 38mm diameter of less than 1mm, blunt, as long as its insertion needle holder (2) is fixed, the inner needle hub (2) in the handle socket (3), and is rotatable; the positive electrode probe (1) and the handle (3) the electrical group (5), (6), (7) are rotated relative to the position of the connection, the resistor (5), (6), (7) as a 120 ° distribution, and the other end thereof with copper by a battery (8 ) is connected, the battery (8) and a spring (9) is connected, the spring (9) and a light emitting diode (10) connected to an anode, a light emitting diode (10) and the wire (11), the wire (11) from the handle (3) tail connected to the negative probe (4) after piercing. 电阻(5)为40KΩ,电阻(6)为20KΩ,电阻(7)为12KΩ。 A resistor (5) is 40KΩ, resistor (6) is 20KΩ, resistor (7) is 12KΩ. 电池(8)为单个12V电池,发光二极管(10)电压为1.5~2V,起指示灯的作用。 A battery (8) as a single 12V battery, a light emitting diode (10) voltage of 1.5 ~ 2V, it acts as indicator. 手柄(3)为圆柱形,长约88mm,直径约15mm。 A handle (3) is cylindrical, about 88mm, a diameter of about 15mm.

当电流通过电阻(5)后,电流为0.3mA,传导致正极探针(1),直接刺激神经束,电流经过神经干传导到周围组织,负极探针(4)与周围组织接触,电流由负极探针(4)通过导线(11)、发光二极管(10)和弹簧(9)回流到原位,这样完成一个周期,所受刺激的神经就产生动作电位,使受支配的肌肉相应运动。 When the current through the resistor (5), a current of 0.3mA, resulting in transfer of the positive electrode probe (1) directly stimulating a nerve bundle, the nerve conduction current passes into the surrounding tissue, a negative probe (4) in contact with the surrounding tissues, the current negative probe (4) via a line (11), a light emitting diode (10) and a spring (9) back to the original position, thus completing one cycle, suffered nerve stimulation to generate action potentials, the respective moving the dominated muscles. 当电流通过电阻(6)后,电流为0.6mA,传导至正极探针(1),直接刺激神经外膜,电流经过神经干传导到周围组织,负极探针(4)与周围组织接触,电流由负极探针(4)通过导线(11)、发光二极管(10)和弹簧(9)回流到原位,这样完成第二个周期,所受刺激的神经就产生动作电位,使受支配的肌肉相应运动。 When the current through the resistor (6), current is 0.6mA, the cathode is transferred to the probe (1), directly stimulate the nerve membrane, current flows through the nerve conduction into the surrounding tissue, a negative probe (4) in contact with the surrounding tissues, the current a negative electrode probe (4) via a line (11), a light emitting diode (10) and a spring (9) back to the original position, thus completing the second cycle, suffered nerve stimulation to generate action potentials, so that the dominated muscle corresponding movement. 当电流通过电阻(7)后,电流为1mA,传导至正极探针(1),直接刺激神经外膜,电流经过神经干传导到周围组织,负极探针(4)与周围组织接触,电流由负极探针(4)通过导线(11)、发光二极管(10)和弹簧(9)回流到原位,这样完成第三个周期,所受刺激的神经就产生动作电位,使受支配的肌肉相应运动。 When the current through the resistor (7), current is 1mA, the positive electrode to the conductive probe (1), directly stimulate the nerve membrane, current flows through the nerve conduction into the surrounding tissue, a negative probe (4) in contact with the surrounding tissues, the current negative probe (4) via a line (11), a light emitting diode (10) and a spring (9) back to the original position, thus completing the third cycle, suffered nerve stimulation to generate action potentials, so that a corresponding dominated muscle motion. 每刺激一次运动一次,根据人体神经的静息电位为-70~-90mV,动作电位为20~40mV,当人为给予这一动作电位的电刺激时,可表现为相应的功能效应。 Each movement stimulated once again, according to the human nervous resting potential of -70 ~ -90mV, the action potential is 20 ~ 40mV, when the electrical stimulation of the human action potential, can be expressed as the corresponding functional effect.

本发明的使用方法:手术前将该产品放在40%福尔马林气体蒸气消毒40分钟备用。 Using the method of the invention: the product before surgery in 40% formalin steam sterilization gas 40 minutes back. 手术时把被检定的神经适当暴露,印干血液,将探头一端接触被检定的神经组织,另一端接触其周围组织,便可观察其反应。 When exposed surgically appropriate accredited nerves, blood dry printing, the probe end contacting nerve tissue of the assay, and the other end thereof in contact with the surrounding tissue, can observe its response. 当在显微镜下吻合神经时可旋转至0.3mA档次,当作正常神经解剖探查时可旋转至0.6mA档次,当作陈旧性损伤的神经或部分变性的神经检查时则旋转至1mA档次。 Grade is rotated to 1mA When nerve anastomosis under a microscope may be rotated to 0.3mA grade, neurological examination as to rotatably 0.6mA normal grade neuroanatomical exploration, as old or damaged nerves partially denatured.

本发明的优点为:(一)符合生理要求,使用安全可靠,能快速准确识别神经,缩短手术时间;(二)体积小,档次多,操作简便;(三)在各种需要识别周围神经,以区别肌肉及结缔组织等的手术均可使用,特别是在耳鼻喉科和显微外科手术中神经的鉴别和吻合;(四)区别运动神经(束)与感觉神经(刺);(五)验证损伤神经或肿瘤包围着神经后功能是否完全丧失,且可验证吻合后的神经纤维是否正确对位。 Advantage of the present invention is :( a) physiological requirements, safety and reliability, can quickly and accurately identify the nerves, shorten the operation time; (ii) small size, a multi-level, easy to operate; (c) needs to identify peripheral nerves, surgery to distinguish muscle and connective tissue can be used, in particular nerve in ENT surgery and microsurgery identification and consistent; (iv) the difference between motor nerve (beam) and sensory nerve (thorn); (e) verify damage nerves or nerve tumor surrounded the function is completely lost, and verify that the correct match nerve fiber alignment.

Claims (2)

1.一种新型的直流电神经刺激器,它由正极探针(1)、针座(2)和手柄(3)、导线(11)和负极探针(4)所组成,其特征在于正极探针(1)插入针座(2)固定,针座(2)套接在手柄(3)内,且可旋转;正极探针(1)与手柄(3)内的电阻(5)、(6)、(7)分别旋转至相对位置连接,电阻(5)、(6)、(7)呈120°分布,它们的另一端通过一块铜片与电池(8)连接,电池(8)的负极与弹簧(9)相连,弹簧(9)与发光二极管(10)的正极连接,发光二极管(10)与导线(11)连接,导线(11)从手柄(3)尾部穿出后与负极探针(4)连接。 1. A novel DC neural stimulator, which comprises a positive electrode probe (1), the needle hub (2) and a handle (3), the wire (11) and the negative probe (4) formed, wherein the positive electrode probe needle (1) the insertion needle holder (2) fixed to the needle hub (2) in the handle socket (3), and is rotatable; a positive probe (1) and the handle resistor (5) in (3), (6 ), (7) are rotated relative to the position of the connection, the resistor (5), (6), (7) as a 120 ° distribution, and the other end thereof is connected to the battery via a copper strip (8), the negative electrode of the battery (8) is connected to the spring (9), the spring (9) and a light emitting diode (10) connected to the positive electrode, a light emitting diode (10) and the wire (11), the wire (11) from the handle (3) after piercing the tail of the probe and the negative electrode (4) is connected.
2.根据权利要求1所述的新型的直流电神经刺激器,其特征在于电阻(5)为40KΩ,电阻(6)为20KΩ,电阻(7)为12KΩ。 The new DC neural stimulator according to claim 1, characterized in that the resistor (5) of the 40k ohm, resistor (6) is 20K ohms, the resistor (7) is 12KΩ.
CN 93106934 1993-06-14 1993-06-14 DC neuro-stimulation instrument CN1085766A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101594906B (en) 2007-01-09 2014-03-26 赤克邦外科有限公司 Systems and methods intra-operative stimulation

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101594906B (en) 2007-01-09 2014-03-26 赤克邦外科有限公司 Systems and methods intra-operative stimulation

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