CN102715937A - Epidural space puncture location indicator - Google Patents

Epidural space puncture location indicator Download PDF

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Publication number
CN102715937A
CN102715937A CN 201210227093 CN201210227093A CN102715937A CN 102715937 A CN102715937 A CN 102715937A CN 201210227093 CN201210227093 CN 201210227093 CN 201210227093 A CN201210227093 A CN 201210227093A CN 102715937 A CN102715937 A CN 102715937A
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needle
core
tube
observation
puncture
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CN 201210227093
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Chinese (zh)
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CN102715937B (en )
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罗永温
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罗永温
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Abstract

The invention relates to the technical field of epidural space puncture location, in particular to an epidural space puncture location indicator. The epidural space puncture location indicator comprises a needle core and a needle core peduncle, wherein the needle core is a hollow tube provided with a tube cavity running through the needle core; the upper end part of the needle core is connected with the needle core peduncle with the cavity; and the lower end of the needle core peduncle is connected with an observation tube made of a transparent material. When the epidural space puncture location indicator is used, a proper amount of liquid is injected into the observation cavity of the observation tube to form a liquid column; when a puncture needle reaches the epidural space, the epidural space has negative pressure, and the liquid column moves under the action of pressure difference, so that a user can know that the puncture needle reaches the epidural space and stops inserting the needle. In the operation process of the location indicator, the needle core does not need to be drawn out repeatedly and connected with a wave tube or a syringe for repeated measurement location, so the operation complexity is reduced, the puncture efficiency is improved, error is reduced and the effect is obvious for a new learner. The epidural space puncture location indicator can judge whether the puncture needle reaches the epidural space or not in the needle inserting process so as to increase the accurate degree of puncture.

Description

硬膜外腔穿刺定位指示器 Epidural puncture position indicator

技术领域 FIELD

[0001] 本发明涉及硬膜外穿刺技术领域,特别是指一种配合穿刺针使用的硬膜外腔穿刺定位指示器。 [0001] The present invention relates to epidural technical field, particularly to a fit position indicator epidural puncture needle used.

背景技术 Background technique

[0002] 现如今,硬膜外神经阻滞麻醉是经常使用的麻醉方法,在该麻醉方法中非常重要的一个步骤是将硬膜外穿刺针准确的穿刺到硬膜外腔。 [0002] Now, epidural anesthesia nerve block anesthesia is often used, is very important in the anesthetic method step is to accurately puncture the epidural needle into the epidural space. 如果穿刺针进针太浅,则导致麻醉失败,如进针过深,则有可能损伤脊髓对病患者造成危害。 If the needle into the needle too shallow, it causes anesthesia failure, such as the needle too deep, it might cause harm to spinal cord injury patients. 而为了使进针更加准确,近年来麻醉医疗工作者根据大量临床研究提出了空气囊泡指示法,测压报警法等定位指示方法,但这些方法存在明显缺陷,实际操作比较困难。 In order to make more accurate needle, made according to the medical staff in recent years anesthesia Numerous clinical studies indicate the position indicating the air vesicle method, pressure alarm method, etc., but there are obvious shortcomings of these methods, the actual operation is difficult. [0003] 中国专利公开号为CN2244917Y,名为“硬膜外穿刺针”的专利文件公开了一种硬膜外穿刺针,包括有针体和用于防止针管堵塞的实心针芯,在实际操作过程中,为了实现准确定位,穿刺操作中,穿刺针推进一定距离后抽出针芯,再接上波管或注射器进行定位测试,如未到达,则需要再置入针芯继续推进一段距离后再重复以上操作。 [0003] Chinese Patent Publication No. CN2244917Y, titled "epidural needle" Patent Document discloses an epidural needle, comprising a needle body and a solid core needle for preventing clogging of the needle, in practice process, in order to achieve accurate positioning, the piercing operation, the puncture needle after the needle out of the core to promote a certain distance, followed by a wave tube or syringe positioning tests, if not reached, the need to continue to advance stylet placed a distance after repeat. 该方法虽然可以实现判断穿刺针是否已经到达硬膜外腔,但由于需要反复抽出针芯再接上波管或注射器反复测试定位,操作过程繁琐,容易造成失误。 Although this method may be implemented to judge whether the puncture needle has reached the epidural space, but due to the need to repeatedly draw a line on a core needle out of the syringe or repeated testing wave tube positioning, the operation cumbersome, easily lead to mistakes. 同时由于未能在进针过程中同步判断穿刺针是否已经到达硬膜外腔,所以有可能在最后一次进针过程中进针过深,缺陷明显。 The failure while the needle synchronization process is determined whether the needle has reached the epidural space, it is possible to feed the needle into the needle in the last process too deep, obvious defects.

发明内容 SUMMARY

[0004] 本发明要解决的技术问题是提供硬膜外腔穿刺定位指示器,使得穿刺过程中无需反复抽出针芯再接上波管或注射器反复测试定位,同时可实现在进针过程中同步判断穿刺针是否已经到达硬膜外腔。 [0004] The present invention is to solve the technical problem of providing epidural puncture position indicator, such that the piercing needle withdrawn without repeated during the wave tube core followed by repeated test fixture or syringe, and the needle can synchronize process determining whether the needle has reached the epidural space.

[0005] 为解决上述技术问题,本发明采用如下技术方案:硬膜外腔穿刺定位指示器,包括有针芯以及针芯蒂,所述针芯为设置有贯通针芯的管腔的空心管,所述针芯上端部与开设有空腔的针芯蒂连接,所述针芯蒂的上端连接有由透明材料制成的观察管,所述观察管开设有贯通观察管的观察腔,所述针芯的管腔、针芯蒂的空腔以及观察管的观察腔依次连通。 [0005] To solve the above problems, the present invention adopts the following technical solution: epidural puncture position indicator, comprising a needle and a needle core pedicle core, the core is provided with a needle through a lumen of the needle core hollow tube the upper portion of the needle and the core defines a cavity connecting pedicle needle core, an upper end of the needle core is connected to pedicle sight tube made of a transparent material to observe the observation tube defines a lumen through the sight tube, the said core lumen of the needle, the needle sequentially communicating the cavity core pedicle observation chamber and the observation tube.

[0006] 优选的,所述针芯蒂与观察管一体成型。 [0006] Preferably, the core needle sight tube integrally formed with the pedicle.

[0007] 其中,所述观察管的外壁设置有防滑纹。 [0007] wherein the outer wall of the tube is provided with observation antiskid.

[0008] 其中,所述观察管的观察腔的腔壁设置有防止液体自行流动的防流纹。 [0008] wherein the chamber wall observation chamber is provided in the observation tube to prevent fluid flow mark anti-self-flowing.

[0009] 其中,所述针芯蒂的下端部设置有与穿刺针针管蒂匹配的环槽。 [0009] wherein the lower portion of the pedicle core needle provided with needle puncture needle pedicle matching annular groove.

[0010] 其中,所述观察管的长度为2cm〜5cm。 [0010] wherein a length of said observation tube is 2cm~5cm.

[0011] 其中,所述观察管上端部侧壁开设有通气孔,所述通气孔与观察腔连通。 [0011] wherein said observation tube defines a side wall upper portion a vent hole in communication with the observation chamber.

[0012] 其中,所述观察管的上端部的内径与注射器连接头的外径相匹配。 [0012] wherein the inner diameter to match the outer diameter of the syringe to observe the upper end portion of the connector pipe.

[0013] 其中,所述针芯的下端开设有两个或者两个以上的通孔。 [0013] wherein a lower end of the needle core defines two or more than two through holes.

[0014] 本发明的有益效果在于:本发明提供了一种配合穿刺针使用的硬膜外腔穿刺定位指示器,包括有针芯以及针芯蒂,所述针芯为设置有贯通针芯的管腔的空心管,所述针芯上端部与开设有空腔的针芯蒂连接,所述针芯蒂的上端连接有由透明材料制成的观察管,所述观察管开设有贯通观察管的观察腔,所述针芯的管腔、针芯蒂的空腔以及观察管的观察腔依次连通。 [0014] Advantageous effects of the present invention: The present invention provides a position indicator epidural puncture needle used in a complex, comprising a needle and a needle core pedicle core, the core is provided with a needle through the needle core hollow tube lumen, the core of the needle with the upper portion defines a cavity connecting pedicle needle core, an upper end of the needle core is connected to pedicle sight tube is made of a transparent material, through the observation tube defines a sight tube sequentially observation chamber communicating observation chamber, the lumen of the needle core, core needle stem cavity and the observation tube. 使用时先向观察管的观察腔注入适量液体,如生理盐水,液体由于表面张力的作用在观察腔中形成一段可供观察的液柱,同时将针芯插入穿刺针针管中,将穿刺针刺入人体皮下缓慢推进,当穿刺针到达硬膜外腔时,由于硬膜外腔存在负压,同时由于针芯为空心,针芯的管腔、针芯蒂的空腔以及观察管的观察腔依次连通,所以液柱会在压力差的作用下移动,在观察管上可明显的观察到液柱的移动,此时便可获知穿刺针已经到达硬膜外腔,操作人员随即停止进针。 When using the observation chamber Xianxiang sight tube into the amount of liquid, such as physiological saline, liquid form due to the surface tension of the liquid column in the observation period for observation chamber while the needle core needle insertion puncture needle, the puncture needle slowly advancing into the human skin, when the needle reaches the epidural space, the epidural space due to the negative pressure, and because the observation chamber hollow core needle, the lumen of the needle core, core needle stem cavity and the observation tube successively communicating, the liquid column moves at a pressure difference, was observed in the tube can significantly observed movement of the liquid column at this time can be informed of the puncture needle has reached the epidural space, the operator immediately stops the needle. 因此该定位指示器在穿刺过程中无需反复抽出针芯再接上波管或注射器反复测试定位,减低操作的复杂度,提高穿刺效率并减少失误,对初学者来说作用更显著。 So that the position indicator during lancing needle withdrawn without repeated on the complexity of the core followed by a syringe or repeated testing wave tube positioning, reduction operation, improving efficiency and reducing errors puncture, more significant effect on the beginners. 同时可实现在进针过程中同步判断穿刺针是否已经到达硬膜外腔,提高穿刺的准确程度。 While the needle may be implemented in the synchronization process is determined whether the needle has reached the epidural space, to improve the accuracy of puncture.

附图说明 BRIEF DESCRIPTION

[0015] 图I为本发明实施例一的剖面结构示意图。 [0015] Figure I is a sectional schematic structural diagram of an embodiment of the invention.

[0016] 图2为本发明实施例一结合注射器使用时的剖面结构示意图。 [0016] Fig 2 a schematic cross-sectional structure of an embodiment of the syringe when used in conjunction with the present invention a.

[0017] 图3为本发明实施例二结合注射器使用时的剖面结构示意图。 [0017] FIG. 3 is a schematic cross-sectional structure when use of the syringe according to the second embodiment of the present invention in combination.

[0018] 图4为本发明实施例二配合穿刺针使用时的剖面结构示意图。 [0018] FIG. 4 is a schematic cross-sectional configuration with time according to a second embodiment of the present invention using the puncture needle.

[0019] 图5为本发明实施例三配合穿刺针使用时的剖面结构示意图。 [0019] FIG. 5 is a schematic cross-sectional structure when used according to a third embodiment of the puncture needle with the present invention.

[0020] 图6为本发明实施例四配合穿刺针使用时的剖面结构示意图。 [0020] FIG. 6 is a schematic cross-sectional configuration with time according to a fourth embodiment of the present invention using the puncture needle.

[0021] 图7为本发明实施例五配合穿刺针使用时的剖面结构示意图。 [0021] FIG. 7 is a schematic cross-sectional structure when used according to a fifth embodiment of the puncture needle with the present invention.

具体实施方式 detailed description

[0022] 为了便于本领域技术人员的理解,下面结合实施例与附图对本发明作进一步的说明,实施方式提及的内容并非对本发明的限定。 [0022] In order to facilitate understanding of the skilled in the art, the following embodiments in conjunction with the accompanying drawings of embodiments of the present invention will be further described, the contents mentioned embodiment is not limited to the embodiment of the present invention.

[0023] 如图I和图2所示为本发明所述硬膜外腔穿刺定位指示器的实施例一,包括有针芯I以及针芯蒂2,所述针芯I为设置有贯通针芯I的管腔3的空心管,所述针芯I上端部与开设有空腔4的针芯蒂2连接,所述针芯蒂2的下端连接有由透明材料制成的观察管5,所述观察管5开设有贯通观察管5的观察腔6,所述针芯I的管腔3、针芯蒂2的空腔4以及观察管5的观察腔6依次连通。 [0023] As shown in Figure I and 2 of the present invention, an embodiment of the epidural puncture position indicator includes a core needle stylet pedicle and I 2, the core pin is provided with a through-pin I I core lumen of the hollow tube 3, an upper end portion of the needle and the I core defines a core cavity 4 pin connector pedicle 2, the lower end of the core pin 2 is connected to pedicle sight tube 5 is made of a transparent material, 5 the observation tube defines a lumen through observe the observation of 5 6, the lumen of the needle I of the core 3, core needle stem cavity 2 and the observation of the observation chamber 4 5 6 sequentially communicating tube.

[0024] 使用时先检测该定位指示器是否通畅良好及密闭良好,可以采用以下方法,如用注射器注气或注液检测,注气时用手指或堵头堵住观察腔6的其它气孔,通过按压注射器来检测定位指示器是否通畅及密闭。 [0024] When used to detect the position indicator is smooth and the sealing Good Good, the following method may be employed, such as with a syringe injection or gas injection detection, when a finger or gas injection hole blanking plug 6 other observation chamber, be detected by pressing the syringe is smooth and the sealing position indicator. 检测良好之后,先向观察管5的观察腔6注入适量液体,如生理盐水,液体由于表面张力的作用在观察腔6中形成一段可供观察的液柱;接着将定位指示器插入穿刺针针管中,然后将穿刺针刺入人体皮下缓慢推进,当穿刺针到达硬膜外腔时,由于硬膜外腔存在负压,同时由于针芯I为空心,针芯I的管腔3、针芯蒂2的空腔4以及观察管5的观察腔6依次连通,所以液柱会在压力差的作用下移动,在观察管5上可明显的观察到液柱的移动,此时便可获知穿刺针已经到达硬膜外腔,操作人员随即停止进针。 After good detection, Xianxiang observe the observation of the lumen 5 6 into the amount of liquid, such as physiological saline, liquid form due to the surface tension of the liquid column in the observation period for the observation chamber 6; then the insertion puncture needle position indicator needle , and then the puncture needle slowly advancing into the human skin, when the needle reaches the epidural space, the epidural space due to the negative pressure, and because I hollow core needle, needle lumen 3 I core, core needle 2 viewed pedicle cavity and the observation chamber 4 5 6 sequentially communicating pipe, so that the liquid column moves at a pressure difference, was observed in the tube 5 may obviously observed movement of the liquid column is then ready for puncture informed the needle has reached the epidural space, the operator immediately stops the needle. 因此该定位指示器在穿刺过程中无需反复抽出针芯再接上波管或注射器反复测试定位,减低操作的复杂度,提高穿刺效率并减少失误,对初学者来说作用更显著。 So that the position indicator during lancing needle withdrawn without repeated on the complexity of the core followed by a syringe or repeated testing wave tube positioning, reduction operation, improving efficiency and reducing errors puncture, more significant effect on the beginners. 同时可实现在进针过程中同步判断穿刺针是否已经到达硬膜外腔,提高穿刺的准确程度。 While the needle may be implemented in the synchronization process is determined whether the needle has reached the epidural space, to improve the accuracy of puncture.

[0025] 本实施例中,所述针芯蒂2的下端部设置有与穿刺针针管蒂11匹配的环槽10,如图I所示。 [0025] In this embodiment, the lower end portion of the pedicle 2 of the core pin is provided with a needle tube of the puncture needle 11 pedicle matching annular groove 10, as shown in I below. 在将针芯I插入到针管时,穿刺针针管蒂11恰好能嵌入针芯蒂2中,使得在穿刺针和定位指示器保持良好的密封性能,提高定位的可靠性。 When the needle is inserted into the I-core needle tube, the needle tube of the puncture needle stem 11 just to be embedded in the needle core pedicle 2, so as to maintain good sealing properties and puncture needle position indicator, improve the reliability of positioning. 同时也有利于该定位指示器与穿刺针的相互结合,便于操作与观察。 But also conducive to the puncture needle position indicator and bonded to each other, easy operation and observation. 当然也可设置为方槽或者其他形状的凹槽,只要与穿刺针针管蒂11匹配便可。 Of course, grooves may also be provided as a square or other shaped grooves, so long as the puncture needle tube can pedicle 11 match.

[0026] 本实施例中,优选的实施方式是所述观察管5的长度为2cm。 [0026] In this embodiment, a preferred embodiment is the observed length of the tube 5 is 2cm. 该长度适中,可达到良好的观察效果,同时也不至于太长影响推针操作。 The length of the medium, the observation can achieve good results, while not too long as to affect the operation of the push pins. 另外,观察管5的长度也可为3cm、5cm或者2cm〜5cm之间的其它任一数值,只要观察管的长度能满足观察需求即可。 Further, the length of the observation tube 5 may also be 3cm, a value between any of the other 5cm or 2cm~5cm, as long as the length of the tube was observed to meet the needs of observation.

[0027] 本实施例中,所述观察管5的上端部的内径与注射器连接头9的外径相匹配。 [0027] In this embodiment, the outer diameter of the inner diameter of the syringe to observe the upper end portion of the connector pipe 5 9 match. 由于在进行穿刺操作前一般需先使用注射器测试该定位指示器的性能,因此,将观察管5的上端部的内径与注射器连接头9的外径相匹配的尺寸。 Since the operation before performing puncture using a syringe is generally required to test the performance of the position indicator, and therefore, the size of the outer diameter of the inner diameter of the syringe to observe the upper end portion of the connector pipe 5 9 matches. [0028] 本实施例中,所述针芯I的下端开设有两个通孔8。 [0028] In this embodiment, the lower end of the needle I of the core defines two through holes 8. 通过在针芯I前段开设更多的通孔8,避免在进针过程中有个别通孔8被堵塞而造成穿刺针到达硬膜外腔时无法产生压力差,致使液柱不移动而造成定位指示器失效,本实施例的实用性更强。 Caused by core needle positioned anterior to open more I through hole 8, to avoid needle individual process is blocked through hole 8 causing the puncture needle can not reach the pressure difference is generated when the epidural space, so that the liquid column does not move failure indicator, the present embodiment is more practical. 当然为了获得更好的效果,还可以开设三个甚至更多的通孔8。 Of course, in order to obtain better results, three or more may also defines a through hole 8.

[0029] 如图3和图4所示为本发明硬膜外腔穿刺定位指示器的实施例二,与上述实施例一的不同之处在于:所述观察管5的上端部侧壁开设有通气孔7,所述通气孔7与观察腔6连通。 [0029] Example 3 and epidural puncture position indicator Second, differences from the first embodiment shown in FIG 4 is that the present invention: the observation upper portion of the side wall 5 defines a tube vent holes 7, 7 communicating with the vent chamber 6 observed. 由于通气孔7的设置,即使观察管5上端被堵上,观察腔6依然可与大气连通,从而当穿刺针到达硬膜外腔时液柱可以正确移动,所以在进针过程中可将手按压在观察管5上端,使推针操作更方便,也避免操作者由于以往的操作习惯而导致观察腔6未能与大气相通进而使得该定位指示器不能达到定位指示的效果,提高了该定位指示器的可操作性与实用性。 Since the vent hole 7 is provided, even if the pipe 5 on the upper end blocked observed, observation chamber 6 can still communicate with the atmosphere, so that the liquid column can move properly when the needle reaches the epidural space, so the needle during the hand may be pressing the upper end of pipe 5 was observed, so that the push-pin operation more convenient, since the operator can avoid the conventional observed behavior from chamber 6 to the atmosphere could not turn so that the orientation indicator can not achieve the effect of position indicating improve the positioning operability and practicality indicator. 观察管5的上端部侧壁和上端均可以通气,从而适用于不同操作手法的握持者,实用性更强。 An upper side wall portion and the upper end can be observed in the vent tube 5, so that for different operating practices are gripping, more practical.

[0030] 如图5所示为本发明硬膜外腔穿刺定位指示器的实施例三,与上述实施例二的不同之处在于:所述观察管5的观察腔6的腔壁设置有防止液体自行流动的防流纹。 [0030] The third embodiment shown in FIG. 5 epidural puncture position indicator of the present invention differs from the above-described second embodiment in that: the lumen 5 observe the observation chamber wall 6 is provided to prevent anti-flow pattern of the liquid flow itself. 本实施例中防流纹为波浪状,利用液体的表面张力避免液柱在观察腔6里自由流动,进而避免因此导致的误判,提高定位指示的准确性。 In this embodiment the anti-flow pattern is wavy, the surface tension of the liquid in the liquid column to avoid observation chamber 6 in free-flowing, thus leading to further avoid false improve the accuracy of positioning indication.

[0031] 如图6所示为本发明硬膜外腔穿刺定位指示器的实施例四,与上述实施例三的不同之处在于:所述观察管5的外壁设置有防滑纹。 Embodiment [0031] As shown in FIG. 6 epidural puncture position indicator of the present invention four differences from the third embodiment in that: the outer wall of the viewing tube 5 is provided with a non-slip pattern. 通过该防滑纹增加手指与观察管5之间的摩擦力,方便推针时使力,使得推针操作更加容易。 Increase the friction between the finger and observed by the antiskid tube 5, a force easily pushed the needle, such that the push-pin operations easier. 本实施例中该防滑纹为波浪状防滑纹,在方便推针同时也不影响对液柱的观察,当然,该防滑纹也可以为条状防滑纹或者其它防滑纹。 In this embodiment of the antiskid antiskid wavy, while not affecting the easy observation of the liquid column in the push pin, of course, the antiskid antiskid may be a strip or other non-slip pattern.

[0032] 本实施例中所示防流纹为方波状,在避免液体自由流动的同时也更加便于观察。 [0032] The present embodiment the anti-flow pattern illustrated embodiment is a square wave, while avoiding a free flowing liquid and more easy to observe.

[0033] 如图7所示为本发明硬膜外腔穿刺定位指示器的最优选实施例五,与上述实施例四的不同之处在于:所述针芯蒂2与观察管5 —体成型,在加工过程中无需再将观察管5与针芯蒂2进行组装连接,进一步简化加工工序,降低了定位指示器生产成本,提高其生产效率;同时也避免了组装过程中由于观察管5与针芯蒂2之间连接不紧密而造成定位不准确的问题,使该定位指示器的定位指示功能更加可靠。 Most preferred embodiment [0033] As shown in FIG. 7 of the present epidural puncture position indicator having five, different from the fourth embodiment in that: the core needle 2 and the sight tube pedicle 5 - shaping , in the process eliminating the need to observe the needle tube 5 and the core assembly connecting pedicle 2, further simplifying the processing step, the position indicator reducing production cost and improving production efficiency; while avoiding the assembling process due to tube 5 and observed the connection between the needle core pedicle 2 does not close and cause the problem of inaccurate positioning, positioning indicator indicating the positioning functions more reliable. [0034] 上述实施例为本发明较佳的实现方案,除此之外,本发明还可以其它方式实现,在不脱离本发明构思的前提下任何显而易见的替换均在本发明的保护范围之内。 [0034] The preferred embodiment implementation of the present invention, in addition, the present invention may also be implemented in other ways, any apparent replacement are within the scope of the present invention without departing from the inventive concept .

Claims (9)

  1. 1.硬膜外腔穿刺定位指示器,包括有针芯(I)以及针芯蒂(2),其特征在于:所述针芯(I)为开设有贯通针芯(I)的管腔(3)的空心管,所述针芯(I)上端部与开设有空腔(4)的针芯蒂(2)连接,所述针芯蒂(2)的上端连接有由透明材料制成的观察管(5),所述观察管(5)开设有贯通观察管(5)的观察腔(6),所述针芯(I)的管腔(3)、针芯蒂(2)的空腔(4)以及观察管(5)的观察腔(6)依次连通。 1. epidural puncture position indicator, comprising a needle core (I) and a needle pedicle core (2), characterized in that: said needle core (I) is defined in a through core pin (I) of the lumen ( 3) a hollow tube, the needle core (I) defined in an upper portion of the cavity (4) of the pedicle core pin (2), said core pin pedicle (2) is connected to an upper end of a transparent material observation tube (5), the observation tube (5) defines an observation chamber (6) through the sight tube (5) of the needle core (I), a lumen (3), core needle stem (2) empty successively communicating chamber (4) and the observation tube (5) observation chamber (6).
  2. 2.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述针芯蒂(2)与观察管(5)—体成型。 The epidural puncture position indicator according to claim I, wherein: said core needle stem (2) and the observation tube (5) - shaping.
  3. 3.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述观察管(5)的外壁设置有防滑纹。 The epidural space according to claim I of the puncturing position indicator, characterized in that: said observation tube (5) is provided with antiskid outer wall.
  4. 4.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述观察管(5)的观察腔(6)的腔壁设置有防止液体自行流动的防流纹。 The epidural puncture position indicator according to claim I, wherein: said observation tube (5) observation chamber (6) is provided with a cavity wall to prevent anti-self rhyolite liquid flow.
  5. 5.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述针芯蒂(2)的下端部设置有与穿刺针针管蒂(11)匹配的环槽(10)。 The epidural puncture position indicator according to claim I, wherein: said core needle stem (2) provided with a lower end portion of the puncture needle tube pedicle (11) matching annular groove (10) .
  6. 6.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述观察管(5)的长度为2cm〜5cm。 The epidural puncture position indicator according to claim I, wherein: the length of the observation tube (5) is 2cm~5cm.
  7. 7.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述观察管(5)的上端部侧壁开设有通气孔(7),所述通气孔(7)与观察腔(6)连通。 The epidural puncture position indicator according to claim I, wherein: an upper portion of a sidewall of the observation tube (5) defines a vent hole (7), said orifice (7) (6) communicates observation chamber.
  8. 8.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述观察管(5)的上端部的内径与注射器连接头(9)的外径相匹配。 According to claim I of the epidural puncture position indicator, wherein: said observation tube (5) and the inner diameter of the outer diameter of the upper end portion of the connector of the syringe (9) is matched.
  9. 9.根据权利要求I所述的硬膜外腔穿刺定位指示器,其特征在于:所述针芯(I)的下端开设有两个或者两个以上的通孔(8)。 9. The epidural puncture position indicator according to claim I, wherein: the lower end of the core pin (I) defines two or more than two through holes (8).
CN 201210227093 2012-07-03 2012-07-03 Epidural space puncture location indicator CN102715937B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102895019A (en) * 2012-11-01 2013-01-30 李志煜 Anesthesia spinal needle with negative-pressure inner needle core
US9144436B2 (en) 2013-06-24 2015-09-29 Thomas A. Senatore Apparatus for hanging drop detection of epidural space penetration

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205828A (en) * 1991-10-24 1993-04-27 Dan Kedem Epidural needle location indicator assembly
CN2160348Y (en) * 1992-11-13 1994-04-06 宗酉明 Diagnosis apparatus for external puncture of spinal cord
CN2505028Y (en) * 2001-11-09 2002-08-14 张国庆 Test tube for decision of external space of spinal cord
US20020198501A1 (en) * 2001-06-22 2002-12-26 Kumar Matthew M. Epidural needle having a distal flare
CN2600057Y (en) * 2003-01-16 2004-01-21 郑济兰 Nanometric type lumbar puncture outfit
CN2610225Y (en) * 2003-07-28 2004-04-07 刘吉川 Steam pocket water-level double-compartment container
CN201516074U (en) * 2009-10-29 2010-06-30 张学春 Skin puncture withdrawing needle for anesthesia
CN201642250U (en) * 2010-04-06 2010-11-24 鲁国 Lumbar puncture needle
CN202223684U (en) * 2011-08-15 2012-05-23 孙少东 Safe liquid level self-locking structure for transfusion tube
CN102488545A (en) * 2011-12-13 2012-06-13 方锦程 Puncture needle for epidural space
CN202665704U (en) * 2012-07-03 2013-01-16 罗永温 Epidural space puncture positioning indicator

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5205828A (en) * 1991-10-24 1993-04-27 Dan Kedem Epidural needle location indicator assembly
CN2160348Y (en) * 1992-11-13 1994-04-06 宗酉明 Diagnosis apparatus for external puncture of spinal cord
US20020198501A1 (en) * 2001-06-22 2002-12-26 Kumar Matthew M. Epidural needle having a distal flare
CN2505028Y (en) * 2001-11-09 2002-08-14 张国庆 Test tube for decision of external space of spinal cord
CN2600057Y (en) * 2003-01-16 2004-01-21 郑济兰 Nanometric type lumbar puncture outfit
CN2610225Y (en) * 2003-07-28 2004-04-07 刘吉川 Steam pocket water-level double-compartment container
CN201516074U (en) * 2009-10-29 2010-06-30 张学春 Skin puncture withdrawing needle for anesthesia
CN201642250U (en) * 2010-04-06 2010-11-24 鲁国 Lumbar puncture needle
CN202223684U (en) * 2011-08-15 2012-05-23 孙少东 Safe liquid level self-locking structure for transfusion tube
CN102488545A (en) * 2011-12-13 2012-06-13 方锦程 Puncture needle for epidural space
CN202665704U (en) * 2012-07-03 2013-01-16 罗永温 Epidural space puncture positioning indicator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102895019A (en) * 2012-11-01 2013-01-30 李志煜 Anesthesia spinal needle with negative-pressure inner needle core
US9144436B2 (en) 2013-06-24 2015-09-29 Thomas A. Senatore Apparatus for hanging drop detection of epidural space penetration

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