CN104784786A - Hard waist combined anesthesia puncture bag for automatically detecting epidural space position - Google Patents

Hard waist combined anesthesia puncture bag for automatically detecting epidural space position Download PDF

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Publication number
CN104784786A
CN104784786A CN 201510228454 CN201510228454A CN104784786A CN 104784786 A CN104784786 A CN 104784786A CN 201510228454 CN201510228454 CN 201510228454 CN 201510228454 A CN201510228454 A CN 201510228454A CN 104784786 A CN104784786 A CN 104784786A
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spring
epidural
push rod
epidural space
puncture
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CN 201510228454
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Chinese (zh)
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邱金勇
陆娟
井郁陌
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镇江高冠医疗器械有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/002Packages specially adapted therefor, e.g. for syringes or needles, kits for diabetics
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31501Means for blocking or restricting the movement of the rod or piston
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/31Details
    • A61M5/315Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31565Administration mechanisms, i.e. constructional features, modes of administering a dose
    • A61M5/31566Means improving security or handling thereof
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178Syringes
    • A61M5/20Automatic syringes, e.g. with automatically actuated piston rod, with automatic needle injection, filling automatically
    • A61M2005/2006Having specific accessories

Abstract

The invention discloses a hard waist combined anesthesia puncture bag for automatically detecting the epidural space position. The hard waist combined anesthesia puncture bag comprises a push rod with tooth grooves, a spring, a spring baffle and an injector needle cylinder. The front portion of the push rod penetrates through the spring baffle to stretch into the injector needle cylinder, a piston is arranged at the top end of the front side of the push rod, and the spring baffle is fixed to the injector needle cylinder. The push rod is sleeved with the spring, the front end of the spring is connected to the piston, and the rear end of the spring is connected to the spring baffle. A lock catch matched with the tooth grooves is arranged on the spring baffle. The subjective judgment of an anesthetist and the visual effect are organically combined, a puncture needle is prevented from penetrating through the endorhachis, and the hard waist combined anesthesia puncture bag is safer and more effective for a patient and more practical and more reliable for the anesthetist.

Description

一种自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包 An automatic detection of the position of the epidural space spinal and epidural anesthesia puncture package

技术领域 FIELD

[0001] 本发明涉及一种医疗设备,具体地说是一种自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包。 [0001] The present invention relates to a medical device, particularly an automatic hard lumbar epidural space position detecting anesthesia puncture package.

背景技术 Background technique

[0002] 硬膜外麻醉,又称硬脊膜外腔阻滞,即将局麻药注入硬膜外间隙以阻断相应节段脊髓的感觉神经、运动神经及交感、副交感神经的传入纤维,从而阻断局部的有害刺激,扩张外周血管,使体循环阻力下降,减轻心脏前后负荷;上胸段的硬膜外间隙阻滞还可改善心肌氧的供需平衡,降低恶性心律失常的发生率。 [0002] epidural anesthesia, also known as the epidural block, the upcoming local anesthetic into the epidural space in order to block the corresponding spinal sensory nerve, motor nerve and sympathetic, parasympathetic afferent fibers, thereby partial blocking harmful stimulation, peripheral expansion, so that decrease systemic vascular resistance, reduce cardiac preload and afterload; thoracic epidural space on the block also improve the balance between supply and demand of myocardial oxygen, reduce the incidence of malignant arrhythmias. 硬膜外麻醉时,麻醉平面具有节段性、麻醉时间便于调控、镇痛完善、肌肉松弛,而且相对患者机体影响较小对术后治疗有利,其优点众多,因此硬膜外麻醉仍然是采用最为广泛地麻醉方法之一。 Epidural anesthesia, segmental plane having, duration of anesthesia to facilitate regulation, improve analgesia, muscle relaxation, but also affect the body is relatively small for the postoperative treatment of patients Advantageously, a number of advantages, so is the use of epidural anesthesia remains one of the most widely anesthesia methods.

[0003] 硬膜外麻醉成功往往取决于能否正确定位硬膜外间隙的位置,而定位硬膜外间隙的方法却多种多样,目前麻醉医生最常采用确定硬膜外间隙的方法是穿刺时阻力的改变。 [0003] epidural anesthesia success often depends on the correct positioning of the epidural space location, and method of locating the epidural space has varied, anesthesiologists currently the most commonly used method of determining the epidural space puncture when the resistance change. 当穿刺针进入黄韧带时阻力增大,这时抽出针芯,接上带有小量空气(或生理盐水)的注射器,小心继续进针,穿刺针穿破黄韧带时,不仅会感觉到“落空感”,而且由于硬膜外间隙的负压,注射器中的少量空气(或生理盐水)还会被吸入硬膜外间隙,这便是硬膜外间隙特有的“负压效应”。 When the needle into the ligamentum flavum resistance increases, then the needle out of the core, connected to a syringe with a small amount of air (or saline), and the needle carefully continues, when the puncture needle pierced yellow ligament, it will not only feel " sense of frustration ", and the negative pressure in the epidural space, a small amount of air (or saline) is sucked into the syringe will epidural space, which is specific to the epidural space," negative effect. "

[0004] 传统硬膜外麻醉包中经常配备一种玻璃低阻力注射器,不同于一般的一次性塑料注射器,该种注射器推杆与针筒之间的摩擦力大大减小,在穿刺针从黄韧带进入硬膜外间隙时能够使麻醉医生更加灵敏地感受到阻力的变化,从而增加硬膜外麻醉的成功率。 [0004] Traditional packages are often equipped with epidural anesthesia low resistance A glass syringe, different from disposable plastic syringes, the frictional force between the plunger and the syringe barrel species is greatly reduced, the puncture needle from yellow It enables the anesthesiologist when the ligament into the epidural space feel more sensitive to changes in resistance, thereby increasing the success rate of epidural anesthesia. 但是用上述方法判断阻力的变化毕竟是麻醉医生的一种主观感受,故而硬膜外穿刺失败的情况常有发生,尤其在缺乏经验的住院医师中发生率较高。 But judging by the above method resistance change after the anesthesiologist is a subjective feeling, and therefore the case of epidural failure often occur, especially in the higher incidence inexperienced residents in rates.

[0005] 近年来又有一种自动探测硬膜外间隙注射器上市。 [0005] In recent years there an automatic detection of the epidural space syringe market. 这种注射器是一种内置弹簧的新型注射器,注射器内部使用压缩弹簧对针栓保持了持续的压力,由弹簧控制的推杆能够在硬膜外穿刺针头从黄韧带进入硬膜外间隙时自动缩回,从而将麻醉医生对阻力变化的传统主观感受转变为视觉效果的确认。 This syringe is a new type of innerspring syringe, the syringe needle inside a compression spring to maintain a constant pressure pin, the plunger can be controlled automatically by the spring compression when the epidural needle into the epidural space from yellow ligament back, so that the anesthesiologist resistance to change traditional subjective feelings into visual effects confirmation. 同时,这种注射器还允许麻醉医生使用双手将硬膜外穿刺针向前推进,增加穿刺的稳定性,降低穿破硬脊膜的发生率。 At the same time, this also allows the anesthesiologist to use a syringe to the epidural needle with both hands to move forward, increase the stability of the puncture, reduce the incidence of perforation of the dura. 比较了使用自动探测注射器和传统玻璃注射器判断穿刺进入硬膜外间隙的准确性,结果表明,自动探测注射器的应用可以提高判断进入硬膜外间隙的准确性,也可以降低穿刺针穿破硬脊膜的发生率。 Compared the conventional glass syringes and automatic detection accuracy is determined syringes puncture into the epidural space, the results showed that application may automatically detect the syringe into the epidural space to improve the accuracy of the determination can be reduced puncture needle pierced hard ridge the occurrence of the film.

[0006] 但是上述自动探测注射器中弹簧回缩亦有可能反映的是其他组织间的阻力变化,而非穿刺针从黄韧带进入硬膜外间隙的阻力消失,从而导致麻醉医生的错误判断;当探测硬膜外间隙失败而需要退出穿刺针重新穿刺时,注射器弹簧也会因为阻力的改变而回缩,因而需要重新抽回推杆再连接穿刺针,从而增加了硬膜外穿刺过程的繁琐性;而且弹簧的回缩力较大,惯性可能令控制穿刺针的双手继续将已经在硬膜外间隙的穿刺针头向前推进,增加穿破硬脊膜的概率。 [0006] However, the above-described automatic detection of the syringe retraction spring also may reflect the change in resistance among other organizations, rather than needle into the epidural space from the resistance disappearance of the yellow ligament, resulting in erroneous determination anesthesiologist; when when the failure detection epidural space requires re-exit puncture needle, the syringe also because of changes in the resistance of the springs and retract, thereby retracting the plunger need to reconnect the puncture needle, thereby increasing the cumbersome process of epidural ; and the spring retraction force is larger, inertia may make hands needle control will have to continue to move forward in the puncture needle epidural space, increase the probability of dural puncture.

发明内容 SUMMARY

[0007] 为了克服现有技术存在的问题,本发明的目的是提供一种自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包,该硬腰联合麻醉穿刺包将麻醉医生的主观判断与视觉效果有机地结合,避免穿刺针穿透硬脊膜,于患者更为安全有效,于麻醉医生则更为实用可靠。 [0007] In order to overcome the problems of the prior art, an object of the present invention is to provide an automatic position detection of the epidural space of spinal and epidural anesthesia puncture package, the spinal and epidural anesthesia puncture package anesthesiologist subjective visual the effect of organically to avoid puncture needle penetrates the dura mater, in patients safer and more effective, Dr. Yu Mazui is more practical and reliable.

[0008] 本发明的目的通过以下技术方案实现: [0008] The object of the present invention is achieved by the following technical solution:

一种自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包,其特征在于:该硬腰联合麻醉穿刺包包括带有齿槽的推杆、弹簧、弹簧挡板和注射器针筒,推杆的前部穿过弹簧挡板后伸入到注射器针筒内,且在推杆的前侧顶端设有活塞,弹簧挡板固定在注射器针筒上;弹簧套装在推杆上,且弹簧的前端连接在活塞上,后端连接在弹簧挡板上;在弹簧挡板上设有与齿槽配套的锁扣。 An automatic detection of the position of the epidural space puncture spinal and epidural anesthesia packet, wherein: the spinal and epidural anesthesia puncture package includes ram, spring, spring plate, and the syringe barrel with a cogging, plunger after passing through the front portion of the spring plate extends into the syringe barrel, and the front side of the plunger tip is provided with a piston, spring plate fixed on the syringe barrel; spring set on the push rod, and the spring is connected to the tip on the piston, a rear end connected to the spring plate; supporting shackle is provided with cogging on the spring plate.

[0009] 本发明中,所述锁扣包括滑动开关、对卡锁扣和旋转轴,滑动开关通过旋转轴连接在弹簧挡板上,与齿槽相配合的对卡锁扣安装在滑动开关上。 [0009] In the present invention, the latch comprises a slide switch, the rotary shaft of the latch, and the card, the slide switch is connected to the spring plate by rotating the shaft, cooperating with the cogging of the card lock mounting the slide switch . 在对卡锁扣的端部设有与齿槽相配合的斜面。 In the inclined surface cooperating with the cogging of the end portion of the card latch. 滑动开关通过旋转轴连接于弹簧挡板,便于开关。 The slide switch through a rotating shaft connected to a spring plate, to facilitate switching. 滑动开关关闭时,对卡锁扣可以扣紧推杆上的齿槽从而阻止推杆向前推进;滑动开关打开时,对卡锁扣与推杆齿槽分离,在弹簧作用下,推杆则会随着阻力的消失回缩。 When the slide switch is closed, the striker on the card can be fastened on the push rod so as to prevent cogging push rod forward; when the slide switch is opened, and the separation of the card pusher catch cogging, under spring action, the push rod with the resistance will disappear retraction.

[0010] 使用时,在麻醉医生确定穿刺针进入黄韧带后打开锁扣,推杆才可随弹簧发生回缩,确保将弹簧回缩力控制在一个安全的范围内,避免穿刺针穿透硬脊膜。 [0010] In use, the latch is opened after anesthesia needle into the physician determines that the yellow ligament, the plunger spring with the retraction occurs before, to ensure that the retraction force of the spring is controlled within a safe range, to avoid the penetration of the needle hard meninges.

[0011] 本发明在弹簧挡板上设计一个推杆锁扣,其可以扣紧推杆上设有的齿槽从而阻止推杆向前推进,在麻醉医生确定穿刺针进入黄韧带后打开锁扣,推杆才可随弹簧发生回缩,将麻醉医生的主观判断黄韧带的位置与阻力消失的视觉效果有机结合,令硬膜外麻醉的成功率提高。 [0011] The present invention is designed to catch on a pusher spring plate which can be fastened cogging provided on the push rod so as to prevent the push rod moving forward, to determine the needle into the ligamentum flavum open latch anesthesiologist , with the plunger spring before retraction occurs, the combination of the position of the subjective judgment of the ligamentum flavum resistance anesthesiologist visual effect disappears, so the success rate improved epidural anesthesia. 将注射器的弹簧回缩力控制在一个相对安全的范围内,避免回缩力过大的冲力迫使穿刺针穿透硬脊膜。 The spring force of retraction of the syringe is controlled within a relatively safe range, to avoid excessive retractive force momentum forces the needle penetrates the dura.

[0012] 本发明将麻醉医生的主观判断与视觉效果有机地结合,于患者更为安全有效,于麻醉医生则更为实用可靠,可以提高硬膜外穿刺的成功率,减少硬膜外麻醉的穿刺时间。 [0012] The present invention will anesthesiologist subjective judgment and visual effects organically integrated, safer and more effective to a patient, the anesthesiologist in the more practical and reliable, can improve the success rate of epidural, reducing epidural anesthesia puncture time.

附图说明 BRIEF DESCRIPTION

[0013] 图1是本发明的结构示意图。 [0013] FIG. 1 is a structural diagram of the present invention.

[0014] 图2是本发明中锁扣的结构示意图。 [0014] FIG. 2 is a schematic view of the latch of the present invention.

[0015] 图3是本发明中对卡锁扣与齿槽相配合的示意图。 [0015] FIG. 3 is a schematic diagram of the present invention, the card and alveolar mating catch.

具体实施方式 detailed description

[0016] 一种自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包,见图1,该硬腰联合麻醉穿刺包包括带有齿槽11的推杆1、弹簧3、弹簧挡板6和注射器针筒5,推杆的前部穿过弹簧挡板后伸入到注射器针筒内,且在推杆的前侧顶端设有活塞4,弹簧挡板固定在注射器针筒上;弹簧套装在推杆上,且弹簧的前端连接在活塞上,后端连接在弹簧挡板上;在弹簧挡板上设有与齿槽配套的锁扣2。 [0016] A spinal and epidural anesthesia puncture package automatically detect the position of the epidural space, shown in Figure 1, the spinal and epidural anesthesia puncture package 11 comprises a push rod with a cogging 1, a spring 3, and the spring plate 6 the syringe barrel 5, the front portion of the plunger through the rear spring plate extends into the syringe barrel, the plunger and the front side of the top of the piston 4 is provided, the spring plate fixed on the syringe barrel; spring sleeved push rod, and the tip of the spring is connected to the piston, a rear end connected to the spring plate; supporting shackle is provided with cogging on the spring plate 2. 图2是本发明中锁扣的结构示意图,锁扣2包括滑动开关21、对卡锁扣22和旋转轴23,滑动开关通过旋转轴连接在弹簧挡板上,与齿槽相配合的对卡锁扣安装在滑动开关上。 FIG 2 is a schematic view of the latch of the present invention, the slide switch 21 comprises a latch 2, the latch 22 of the card 23 and the rotary shaft, the slide switch is connected through a rotating shaft on the spring plate, cooperating with the cogging of the card lock mounting the slide switch. 图3是本发明中对卡锁扣与齿槽相配合的示意图,在对卡锁扣的端部设有与齿槽相配合的斜面。 3 is a schematic of the present invention, the card and the catch cogging cooperating at the end portion of the card is provided with latching cogging cooperating bevel. 滑动开关通过旋转轴连接于弹簧挡板,便于开关。 The slide switch through a rotating shaft connected to a spring plate, to facilitate switching. 滑动开关关闭时,对卡锁扣可以扣紧推杆上的齿槽从而阻止推杆向前推进;滑动开关打开时,对卡锁扣与推杆齿槽分离,在弹簧作用下,推杆则会随着阻力的消失回缩。 When the slide switch is closed, the striker on the card can be fastened on the push rod so as to prevent cogging push rod forward; when the slide switch is opened, and the separation of the card pusher catch cogging, under spring action, the push rod with the resistance will disappear retraction.

[0017] 在弹簧挡板上设计一个推杆锁扣,其可以扣紧推杆上设有的齿槽从而阻止推杆向前推进,在麻醉医生确定穿刺针进入黄韧带后打开锁扣,推杆才可随弹簧发生回缩,将麻醉医生的主观判断黄韧带的位置与阻力消失的视觉效果有机结合,令硬膜外麻醉的成功率提高。 [0017] Design of a pusher on the spring catch flap, which fastening can be provided with cogging on the plunger to prevent the plunger forward, determining the needle into the ligamentum flavum in the catch open anesthesiologist, push before retraction occurs with the spring lever, the position of the combination of the resistance of the subjective judgment of the ligamentum flavum anesthesiologist visual effect disappears, so the success rate improved epidural anesthesia. 将注射器的弹簧回缩力控制在一个相对安全的范围内,避免回缩力过大的冲力迫使穿刺针穿透硬脊膜。 The spring force of retraction of the syringe is controlled within a relatively safe range, to avoid excessive retractive force momentum forces the needle penetrates the dura. 可以提高硬膜外穿刺的成功率,减少硬膜外麻醉的穿刺时间,具有重要的社会和市场价值。 You can improve the success rate of epidural puncture, puncture reduce the time of epidural anesthesia, has important social and market value.

Claims (3)

  1. 1.一种自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包,其特征在于:该硬腰联合麻醉穿刺包包括带有齿槽(11)的推杆(I)、弹簧(3)、弹簧挡板(6)和注射器针筒(5),推杆(O的前部穿过弹簧挡板(6)后伸入到注射器针筒(5)内,且在推杆(I)的前侧顶端设有活塞(4),弹簧挡板(6)固定在注射器针筒(5)上;弹簧(3)套装在推杆(I)上,且弹簧(3)的前端连接在活塞(4)上,后端连接在弹簧挡板(6)上;在弹簧挡板(6)上设有与齿槽(11)配套的锁扣(2)。 Spinal and epidural anesthesia puncture package for an automatic detection of the position of the epidural space, wherein: the spinal and epidural anesthesia ram puncture package comprising (I) have teeth (11), the spring (3), spring plate (6) and the syringe barrel (5), the pusher (O passing through the front portion of the spring plate (6) extends into the syringe barrel (5), the push rod and the front (I), is provided to the top side of the piston (4), spring plate (6) fixed to the syringe barrel (5); a spring (3) set on the push rod (the I), and the front end of the spring (3) is connected to the piston (4 on), a rear end connected to the spring plate (6); provided with a cogging (11) supporting the catch (2) on the spring plate (6).
  2. 2.根据权利要求1所述的自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包,其特征在于:所述锁扣(2)包括滑动开关(21)、对卡锁扣(22)和旋转轴(23),滑动开关(21)通过旋转轴(23 )连接在弹簧挡板(6 )上,与齿槽(11)相配合的对卡锁扣(22 )安装在滑动开关(21)上。 The automatic detection of the spinal and epidural anesthesia to a puncture position of the epidural space package as claimed in claim wherein: the catch (2) comprises a slide switch (21), latching to the card (22) and the rotation shaft (23), the slide switch (21) is connected by a rotating shaft (23) on the spring plate (6), cogging (11) of the card cooperating catch (22) mounted on the slide switch (21) on.
  3. 3.根据权利要求2所述的自动探测硬膜外间隙位置的硬腰联合麻醉穿刺包,其特征在于:在对卡锁扣(22)的端部设有与齿槽(11)相配合的斜面。 The automatic detection of the two spinal and epidural anesthesia puncture position of the epidural space package as claimed in claim, wherein: the card at the end portion of the shackle (22) is provided to cooperate with the cogging (11) slant.
CN 201510228454 2015-05-07 2015-05-07 Hard waist combined anesthesia puncture bag for automatically detecting epidural space position CN104784786A (en)

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Citations (6)

* 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
CN2673419Y (en) * 2004-01-05 2005-01-26 董永华 Self locking type injector
CN1774212A (en) * 2003-01-28 2006-05-17 英迪戈奥尔布股份有限公司 Apparatus and method for detection, especially detection of the puncture of the epidural space
CN202516105U (en) * 2012-02-22 2012-11-07 杨荣一 Disposable automatic detection epidural syringe
CN204092735U (en) * 2014-04-04 2015-01-14 沈颖 Device for injection of bleeding stopping needle
CN204655685U (en) * 2015-05-07 2015-09-23 镇江高冠医疗器械有限公司 Automatic survey hard waist of outer interstitial site of dura mater and jointly anaesthetize puncture package

Patent Citations (6)

* 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
CN1774212A (en) * 2003-01-28 2006-05-17 英迪戈奥尔布股份有限公司 Apparatus and method for detection, especially detection of the puncture of the epidural space
CN2673419Y (en) * 2004-01-05 2005-01-26 董永华 Self locking type injector
CN202516105U (en) * 2012-02-22 2012-11-07 杨荣一 Disposable automatic detection epidural syringe
CN204092735U (en) * 2014-04-04 2015-01-14 沈颖 Device for injection of bleeding stopping needle
CN204655685U (en) * 2015-05-07 2015-09-23 镇江高冠医疗器械有限公司 Automatic survey hard waist of outer interstitial site of dura mater and jointly anaesthetize puncture package

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