CN2560315Y - Brain stereoscopic orienting instrument - Google Patents

Brain stereoscopic orienting instrument Download PDF

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Publication number
CN2560315Y
CN2560315Y CN01269249U CN01269249U CN2560315Y CN 2560315 Y CN2560315 Y CN 2560315Y CN 01269249 U CN01269249 U CN 01269249U CN 01269249 U CN01269249 U CN 01269249U CN 2560315 Y CN2560315 Y CN 2560315Y
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China
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fixed
surface
bow
puncture
end
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CN01269249U
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Chinese (zh)
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刘伯晨
林红雨
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刘伯晨
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Publication of CN2560315Y publication Critical patent/CN2560315Y/en

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Abstract

The utility model relates to a brain stereotactic device of medical brain surgical instruments and consists of a bow-shaped positioning frame (1), a fixed joint (2), a fixed arm (3), four fixed bars (4) and a puncture outfit (5), the intracerebral focus target is determined according to CT films and the target and the distance of the anteroposterior diameter of the skull are calculated, so as to determine the two positioning points at both sides of the skull and the angular direction position of a puncture needle, then the fixed arm and the puncture outfit are adjusted and fixed on the skull, after that, the bow-shaped positioning frame is rotated to puncture the intracerebral focus for treatment. The utility model has the advantages of simple and easy operation, short preparation time before operation, high precision of the puncture target, timely rescue of patients and so on.

Description

脑立体定向仪 Stereotactic

技术领域 FIELD

本实用新型涉及医疗脑外科手术用具,应用于脑内病灶定位定向穿刺及术中导向的手术辅助设备。 The present invention relates to medical appliances, brain surgery, brain lesion localization applied orientation puncture guide and intraoperative surgical aid.

背景技术 Background technique

目前国内外现代高精度CT脑立体定向仪已应用于临床,但使用过程繁琐,术前准备时间长,对危重、意识朦胧病人抢救延误了宝贵的时间,且该仪器价格较昂贵。 At present domestic and international modern high-precision CT stereotactic frame has been used clinically, but the process is cumbersome to use, preoperative preparation for a long time, critically ill, dim consciousness of patients delayed the rescue of valuable time, and the equipment more expensive. 我国专利99222083.1立体定向脑内病灶穿刺器为90°结构,定位穿刺的稳定性较差。 Patent No. 99222083.1 of stereotactic brain lesions is 90 ° puncture structure, poor positioning the penetration stability. 我国专利99243363.0 CT脑立体定向仪为180°两端伸长结构,虽解决了定位稳定性,但当头颅两侧的两个定位点较接近时,难以操作,又因穿刺架是整体结构,固定棒的操作较为困难,耗时较长。 Our patent 99243363.0 CT stereotactic frame is 180 ° at both ends of the elongated structures, although the positioning solution stability, but when the two anchor points on both sides of the head when the closer, difficult to handle, because the overall configuration of the puncture holder, fixed bar operation is difficult, time-consuming. 为此,本实用新型提供一种定位架与固定棒之间可相对改变角向位置的结构,让出固定棒上方的空间,使固定棒向头颅两侧固定时,操作方便,提高了穿刺靶点的精确度,并缩短了手术时间。 For this purpose, between the present invention to provide a positioning frame relative to the fixed rod may alter the structure of the angular position, so that the space above the stationary rod, so that when the head is fixed on both sides, fixing rods easy operation, improves the puncture target point accuracy, and shorten the operation time.

发明内容 SUMMARY

本实用新型的弓型定位架(1)为180°半圆环,环面有角度刻线,在半圆环的内、外圆柱面上有V型槽,半圆环两端向前突并向外伸出圆柱转轴,转轴中心为内螺纹孔,并拧入固定棒(4),转轴端面有一刻线,两外伸转轴装入于固定关节(2)的孔内,并通过螺钉可固定,孔的外端侧面上有角度刻线,以便观察弓型定位架转动的角向位置。 The bow of the present invention, a spacer (1) is a 180 ° semi-circle, torus angled score lines in the inner half ring, an outer cylindrical surface of the forwardly projecting V-shaped groove, and both ends of the semi-circle outwardly projecting cylindrical shaft, the central shaft is internally threaded hole and is screwed into the fixing rod (4), the shaft end surface of a moment line, extending two outer fixed shaft is fitted into the joint (2) of the bore, and may be fixed by screws , on the outer end of the angled bore side scorelines, to observe the position of the bow angle of rotation of the positioning frame. 固定关节孔的后方垂直方向设一孔,并通过螺钉可固定固定臂(3)。 Vertical rear joint hole provided a fixing hole, and can be fixed by screws fixed arm (3). 固定臂的一个面上有长度刻线,下端呈半圆柱形弯头状,半圆中心为内螺纹孔,并拧入固定棒(4),固定棒的外螺纹有一小平面,并刻有长度刻线,固定棒内端为锥状,外端为滚花圆柱状,弓型定位架两端外突方向的环面上,装有穿刺器(5),并通过螺钉可固定于内、外圆柱面上的V型槽内,穿刺器上面的V型槽中部接近内、外柱面处有通孔。 A surface of the fixed arm length score line, the lower end of semicylindrical shape of an elbow, within semicircular central threaded hole and screwed into the fixing rod (4), fixed externally threaded rod has a small plane and having a length engraved engraved wire, rod end is fixed to the inner tapered outer end a knurled cylindrical shape, the spacer ring surface bow outwardly projecting ends direction, with the piercing device (5), and can be fixed by a screw in the outer cylinder V-groove surface, V-shaped groove above the middle of the trocar close to the inner and outer cylindrical surface of the through hole. 本设备关键是四根固定棒中心线及穿刺器V型槽确定的圆柱柄穿刺针的中心线在同一平面内,或基本上在同一平面内,以准确定位脑内病灶。 This device is a key center line of the cylindrical shank of the puncture needle centerline four fixing rods and piercer V-groove defined in the same plane, or substantially in the same plane, in order to accurately locate brain lesions. 固定棒(4)外端为滚花圆柱状,可以在外端头刻一字槽或十字槽,也可以将外端头部改为四棱柱或六棱柱,或者加工成两平面的扁头,便于拧动固定棒。 (4) an outer end fixed to a knurled cylindrical rod, the outer ends can be cut or slotted cross recess, the outer end of the head may also be changed to a quadrangular prism or a hexagonal prism, or processed into a flat plane of the first two, to facilitate twist fixing rod.

弓形定位架(1)半圆环的内、外圆柱面上有V型槽,也可以用在内、外圆柱面向后收缩的斜面来替代。 Positioning the arcuate frame (1) half-ring, V-shaped grooves, may be the inner surface of the outer cylinder, the outer cylinder facing the inclined surface instead of shrinking. 穿刺器(5)上面的V型槽,可以是半圆弧,也可以是圆孔。 Puncturing means (5) above the V-groove may be semi-circular, may be circular holes.

本实用新型与已有技术相比较,其优点是固定到头颅两侧时,弓型定位架可以转动,让出固定棒上方的定位空间位置,使四根固定棒操作时较为方便,然后再将弓型定位架转到固定棒上方位置,从而缩短了固定的时间,提高了穿刺靶点的精确度,为抢救病人争取了宝贵的时间。 Present invention compared with the prior art, the advantage that the head is secured to both sides, bow-type spacers may be rotated, so that the spatial position of the positioning rod is fixed above the four fixing rods more convenient operation, and then bow to a fixed position above the spacer bar, reducing fixed time and improve the accuracy of the puncture target for the fight to save the patient valuable time. 也可以用于脑内窥镜导向及神经外科手术的术中导向等。 Guiding the endoscope can be used for brain surgery and intraoperative neural guide the like.

附图说明 BRIEF DESCRIPTION

图1为脑立体定向仪的结构示意图。 FIG 1 is a schematic view of the stereotactic frame.

图2为图1的俯视图。 Figure 2 is a plan view of FIG. 1.

图3为图1的左侧视图。 3 is a left side view of FIG.

具体实施方式 Detailed ways

本实用新型将结合附图作进一步描述。 The present invention will be further described in conjunction with the accompanying drawings. 根据病人的头颅CT记片上出现的病灶靶点,头颅前后径的尺寸,确定靶点及头颅前后径的距离,从而确定头颅两侧各二个固定点的位置及穿刺针的角向位置,然后依据这些数据调整脑立体定向仪,松开各个螺钉,按头颅两侧各两个固定点的位置,调整固定臂,使固定臂上的固定棒中心至转轴内的固定棒中心距离等于头颅每侧二个固定点的距离后,拧紧螺钉固定。 The lesions appear on the target plate head CT in mind the patient, the size of the front and rear head diameter, anteroposterior diameter of determining the distance of targets and head, to thereby determine the position and angular position of each of the two fixed needle points at both the head, and based on these data stereotactic adjustments, each release screw, according to two fixed points on each side of the head position adjustment fixing arm, the fixing arm is fixed to the rod center rod fixed center distance is equal to the shaft on each side of the head after from two fixed points, tighten the screws. 再按穿刺针的角向位置,调整穿刺器,使其处在同一角度时,拧紧螺钉固定。 Then the angular position of the puncture needle, puncture adjusted so that the angle at the same time, tighten the screws. 然后将本设备固定于病人头颅,使四根固定棒各固定在病人头颅两侧的固定点位置,再把弓型定位架转向固定棒的上方,并使穿刺针中心线与固定棒中心线处在同一平面时,拧紧螺钉,固定弓型定位架,穿刺针即可在穿刺器V型槽内向脑内进行穿刺治疗。 This device is then secured to the patient head, fixed to the respective four fixing rods at a fixed position on both sides of the patient's head, then the bow is positioned above the fixed frame steering bar, and with the center line of the puncture needle holding rods centerline when the same plane, tighten the screws, the positioning frame is fixed bow, the puncture needle can puncture the puncture therapeutic intracerebral V-groove.

Claims (4)

1.一种涉及医疗脑外科手术用具的脑立体定向仪,具有螺钉,其特征在于弓型定位架(1)为180°半圆环,环面有角度刻线,在半圆环的内、外圆柱面上有V型槽,半圆环两端向前突并向外伸出圆柱转轴,转轴中心为内螺纹孔,并拧入固定棒(4),转轴端面有一刻线,两外伸转轴装入于固定关节(2)的孔内,并通过螺钉可固定,孔的外端侧面上有角度刻线,孔的后方垂直方向设一孔,并通过螺钉可固定固定臂(3)。 A brain surgery involves a medical appliance stereotactic frame, with screws, characterized in that the bow-type spacers (1) is a 180 ° semi-circle, torus angled score lines, half-ring within, an outer cylindrical surface of the forwardly projecting V-grooves, semi-circle at both ends and a cylindrical shaft projecting outwardly, the central shaft is internally threaded hole and is screwed into the fixing rod (4), the shaft end surface of a moment line, two outrigger the fixed shaft is fitted into the joint (2) of the bore, and may be fixed by screws, angled groove on the outer end side of the hole, the rear hole is a hole provided in the vertical direction, and can be fixed by screws fixed arm (3). 固定臂的一个面上有长度刻线,下端呈半圆柱形弯头状,半圆中心为内螺纹孔,并拧入固定棒(4),固定棒的外螺纹有一小平面,并刻有长度刻线,固定棒内端为锥状,外端为滚花圆柱状,弓型定位架两端外突方向的环面上,装有穿刺器(5),并通过螺钉可固定于内、外圆柱面上的V型槽内,穿刺器上面的V型槽中部接近内、外柱面处有通孔,并使四根固定棒中心线及穿刺器V型槽内的圆柱柄穿刺针的中心线在同一平面内。 A surface of the fixed arm length score line, the lower end of semicylindrical shape of an elbow, within semicircular central threaded hole and screwed into the fixing rod (4), fixed externally threaded rod has a small plane and having a length engraved engraved wire, rod end is fixed to the inner tapered outer end a knurled cylindrical shape, the spacer ring surface bow outwardly projecting ends direction, with the piercing device (5), and can be fixed by a screw in the outer cylinder V-groove surface, V-shaped groove above the middle of the trocar close to the inner and outer cylindrical surface of the through hole, and the center line of the cylindrical shank of the needle and the four fixing rods trocar centerline of the V-groove in the same plane.
2.根据权利的要求1所述的脑立体定向仪,其特征在于所说的固定棒(4)外端滚花圆柱状,可以在外端头刻一字槽或十字槽环,也可以将外端头呈四棱柱,或六棱柱,或呈两平面的扁头。 The brain of claims 1 stereotactic, wherein said external fixation rod (4) knurled cylindrical end, the outer end can be slotted or cross grooves carved ring, may be outside the end quadrangular prism shape, or a hexagonal prism, or in a flat plane of the first two.
3.根据权利的要求1所述的脑立体定向仪,其特征在于所说的在弓型定位架(1)的半圆环内、外柱面上有V型槽,也可以用在内、外柱面向后收缩的斜面替代。 The stereotactic frame as claimed in claim 1, characterized in that the inner bow in said positioning frame (1) of the semi-circle, V-shaped grooves, can also be used outside the inner cylinder, an outer cylindrical rearwardly inclined surface shrinkage alternative.
4.根据权利的要求1所述的脑立体定向仪,其特征在于所说的穿刺器(5)上面的V型槽,可以是半圆弧,也可以是圆孔。 The stereotactic frame as claimed in claim 1, characterized in that (5) of said trocar above the V-groove may be semi-circular, may be circular holes.
CN01269249U 2001-10-31 2001-10-31 Brain stereoscopic orienting instrument CN2560315Y (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100588900C (en) 2008-11-06 2010-02-10 铁岭市公安局213研究所 Cranioface deflection angle calibration instrument
CN102068312A (en) * 2010-12-31 2011-05-25 李鹏 Puncture guide device for frontal horn of lateral ventricle
CN101791249B (en) 2010-01-28 2012-09-26 冯子彦 Precornu puncture direction finder
CN103083088A (en) * 2012-12-07 2013-05-08 中国人民解放军第三医院 Portable positioning device for intracerebral cathetering
CN104586392A (en) * 2013-10-31 2015-05-06 医科达公司 FRAME FOR FIXATION OF EQUIPMENT TO THE HEAD OF A PATIENT, and STEREOTACTIC frame system
CN105326566A (en) * 2014-08-11 2016-02-17 刘会 Skull surface marking and planar positioning stereotactic instrument and positioning method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100588900C (en) 2008-11-06 2010-02-10 铁岭市公安局213研究所 Cranioface deflection angle calibration instrument
CN101791249B (en) 2010-01-28 2012-09-26 冯子彦 Precornu puncture direction finder
CN102068312A (en) * 2010-12-31 2011-05-25 李鹏 Puncture guide device for frontal horn of lateral ventricle
CN103083088A (en) * 2012-12-07 2013-05-08 中国人民解放军第三医院 Portable positioning device for intracerebral cathetering
CN104586392A (en) * 2013-10-31 2015-05-06 医科达公司 FRAME FOR FIXATION OF EQUIPMENT TO THE HEAD OF A PATIENT, and STEREOTACTIC frame system
CN105326566A (en) * 2014-08-11 2016-02-17 刘会 Skull surface marking and planar positioning stereotactic instrument and positioning method thereof
CN105326566B (en) * 2014-08-11 2017-09-22 刘会 Head surface markers plane positioning stereotactic apparatus and its localization method

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