CN103405824A - Flat and round infusion tube and high-limiting adjuster composited standard blood return interpretation system - Google Patents

Flat and round infusion tube and high-limiting adjuster composited standard blood return interpretation system Download PDF

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Publication number
CN103405824A
CN103405824A CN2013103768884A CN201310376888A CN103405824A CN 103405824 A CN103405824 A CN 103405824A CN 2013103768884 A CN2013103768884 A CN 2013103768884A CN 201310376888 A CN201310376888 A CN 201310376888A CN 103405824 A CN103405824 A CN 103405824A
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infusion tube
oblate
flow regulator
high
flat
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CN2013103768884A
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Chinese (zh)
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贾宇东
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贾宇东
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Abstract

A flat and round infusion tube and high-limiting adjuster composited standard blood return interpretation system mainly comprises a dropping bottle, a flat and round infusion tube, a flow adjustor, a shaping limiting clamp ring and a vein needle, wherein the flat and round infusion tube is installed in the downstream direction of the dropping bottle, a cross section of the flat and round infusion tube is approximately elliptic, a flat and round structure sinking towards the inside a tube and expanding outward can be easily achieved, the flow adjustor is installed at the position close to the bottom of the dropping bottle in an upper-end region of the infusion tube under the dropping bottle in a high-limiting mode, a structure for limiting the height of the flow adjustor is installed on the shaping limiting clamp ring at the lower end of the flow adjustor, and the flow adjustor is limited between the bottom end of the dropping bottle and the shaping limiting clamp ring to be installed and used. By using the flat and round infusion tube and high-limiting adjuster composited standard blood return interpretation system, the air bubble production problem is solved fundamentally, an independent structure device, relevant adhesives and a leakage detection link are omitted, the technical standard of operation is unified, and the blood return is most sensitive and objectified.

Description

扁圆输液管与高限位调节器合成标准回血判读系统 Oblate high infusion tube stopper regulator synthetic standard interpretation system back to the blood

技术领域 FIELD

[0001] 本发明涉及可以反复实现的,不需要单独零件结构组成独立装置的,利用输液器既有体系重新规定了结构和位置,确实无气泡产生和存留的自体回血显示技术,特别是涉及一种由扁圆输液管、高限位流量调节器和塑形限位卡环三因素共同构成的静脉穿刺回血判读系统,另外因为预先设定限制了流量调节器的高度而使任何操作人实施静脉穿刺时获得回血的条件一致,使得回血效果决定于输液器具而非操作人,从而规范了回血的标准指标,即任何人对同一静脉的穿刺所显示的回血都是一样的,不会因为不同人而产生不同强度的回血显示。 [0001] The present invention relates can be repeatedly achieved, without requiring a separate part structure composed of an independent apparatus, using the infusion existing system re-defines the structure and location, does not bubble generation and retention of autologous blood display technology, and particularly to a species from the infusion tube oblate, high flow regulator and shaped stopper stop collar venipuncture blood back interpretation system composed of three factors, as further preset height limits the flow regulator of any of embodiments operator vein conditions get back to the blood puncture consistent, so that blood results back depends on the infusion set and not the operator, so that a standard for the index back to the blood, that blood back anyone in the same vein puncture displayed are the same, not because different people produce different intensity display back to the blood.

技术背景 technical background

[0002] 输液器使用回血器已经有了近20年,最早为本人发明的囊式回血技术,后来逐渐演变为膜式回血技术,但不论哪种,均是制造一个独立的装置,内置乳胶囊或乳胶膜,依靠独立的回血装置获得回血显示。 [0002] infusion using the return of blood already had nearly 20 years, the bladder back to the blood technology was first developed as my invention, and later evolved into the film back to the blood technologies, but no matter what, are to create a stand-alone device, built-milk capsules or latex film, relying on independent means for obtaining the blood back to the blood back to the display. 以前的回血装置一致以来存在的几个问题始终没有解决,首先一个是独立回血结构内始终存在不能排净的气泡问题,其次是以往任何一个独立结构均需要单独制造结构性的零件和需要特别的制作环节和检测环节,第三是独立的回血结构还有对人体有危害的胶粘剂和加工过程的颗粒脱落等问题,例如本人前期申请的专利号为200610089700.8,“隧道膜式灵敏回血静脉针”和另外的专利申请号为201110038953.3 “回血显示正压关闭留置针”等专利技术都存在以上问题。 Back to the blood system prior consistent since several problems has not been resolved, the first one is always the presence of bubbles problem can not be drained in a separate back to the blood structure, followed by ever an independent structure are necessary to manufacture a separate structural parts and require special making links and link detection, and the third is an independent structure back to the blood as well as harmful to the human body adhesives and processing of particle shedding and other issues, such as patent application No. I was 200,610,089,700.8 early, "sensitive membrane tunnel back to the blood vein needle" and Further Patent application No. 201110038953.3 "back off the blood pressure display indwelling needle" and other patented technologies have the above problems exist.

[0003] 另外,现有输液器的输液管横断面为圆形,管壁弹性是最低的,即拱形结构的抗压力很高,圆形管路向外扩张的余地也是最低,对于回血所需要的向管路内侧凹陷性变形和向管路外侧膨胀性变形都是最困难的,因此,依靠现有输液器自身的圆形管路所能获得的回血性能几乎为零,另外由于流量调节器处于自由的人为可随意调整位置的设计,在临床上操作差异很大,流量调节器在输液管上部和下部时,所得到的很小的回血也因位置不同而差异更大,不能形成统一的标准化回血条件,回血判断基本靠“猜”。 [0003] Further, conventional infusion infusion tube cross section is circular, the elastic wall is the lowest, i.e. anti-stress of the arches is high, a circular conduit outward expansion room is the lowest, the return of blood required for inward and outward conduit expandable conduit variations are the most difficult recesses deformation, therefore, rely on the prior performance back to the blood transfusion circular line itself can be obtained almost zero, since the additional flow regulator artificially designed in a free position can be adjusted, large differences in clinical operation, return of blood flow regulation in a small infusion tube when the upper and lower portions, the resultant difference is also greater due to different positions, can form a unified standardized conditions back to the blood, the blood back to the basic judgment by "guess."

[0004] 要解决上述问题,首先要杜绝气泡问·题,保证在任何使用环节均不会出现结构性气泡,即由于空间截面的大小变化而导致的液体湍流或涡流的出现而出现的气泡,其次是要尽可能减除独立的结构装置和对独立装置进行泄露检测的工艺,如要减少胶粘剂的使用,更应该减少粘接环节和加工过程,第三是规范限定流量调节器的位置,避免人为调整的随意性。 [0004] To solve these problems, we must first put an end to the bubble asked questions to ensure that structural bubbles will not appear in any use of links, namely the emergence of liquid and bubbles due to turbulence or eddy current changes in the size of the space section caused, the second is to subtract a separate structure of the device as much as possible and leak detection apparatus independent process, such as to reduce the use of adhesive, but the adhesive should be reduced and process aspects, is a specification defining a third position of the flow regulator, to avoid artificially adjusting randomness.

发明内容 SUMMARY

[0005] 为了解决上述现有技术所存在的缺陷,同时还提高回血的灵敏性,经过大量新结构实验的验证,本发明提供了一种由扁圆输液管、高限位流量调节器和塑形限位卡环三因素共同构成的静脉穿刺回血判读系统,该体系是两个必然条件即扁圆输液管和高限位调节器同时按照规定方式应用的互为辅助的静脉穿刺回血判断系统,塑形限位卡环则是维持输液管扁圆形态和诱发扁圆输液管在压力下变形的可靠保障因素,该系统内的扁圆形输液管可变形性的管壁代替了以前使用的乳胶膜,将流量调节器限位在高位,则可以尽可能扩大扁圆输液管的变形面积,获得了最大的回血效果,塑形限位卡环则是进一步限定了流量调节器的高度,不论何人操作,都不会人为地影响整体回血性能的展现。 [0005] In order to solve the above-mentioned drawbacks present in the prior art, but also increase the sensitivity of blood back, after a large number of experiments verify the new structure, the present invention provides an infusion tube from the oval, high flow regulator and plastic stopper intravenous shaped stop collar formed of three factors puncture interpretation system back to the blood, which are mutually assist system venipuncture blood back system determines two conditions i.e. oblate necessarily high infusion tube and stopper actuator embodiment in accordance with the application at the same time, shaped stop collar is to maintain a reliable protection factors and induce infusion tube oblate oval shape deformation of the infusion tube under pressure, flat circular deformability infusion tube wall within the system instead of the previously used latex membrane, the flow regulator at high limit, the deformation area can be expanded as oblate infusion tube obtained maximum blood results back, shaped stop collar further defines the height of the flow regulator, whoever operation, will not artificially affect the overall performance of the blood back. 另外,在扁圆输液管路结构中,管路内腔为截面积一致的管路,从而液体流动顺畅不会产生湍流或涡流,避免了实现回血功能时气泡的产生和积存问题,由于使用整体扁圆输液管作为回血膜使用,本身成为一个完整的独立结构,也不用另外的加工和泄露检测,从而降低了制造的成本和降低了环境污染,更重要的是避免了胶粘剂的使用和对人体的伤害。 Further, in the infusion line oblate configuration, the tubing lumen uniform cross-sectional area of ​​the pipeline, so that the liquid flow smoothly without turbulence or eddy currents, and avoid the generation of air bubbles when the accumulated return blood to achieve the function, the use of the entire oblate infusion tube film is used as the return of blood itself becomes a complete independent structure, without additional processing and leak detection, thereby reducing the manufacturing cost and reduced environmental pollution, and more importantly, to avoid the use of adhesives and human s damage. 本发明主要包括滴瓶、扁圆输液管、流量调节器、塑形限位卡环和静脉针,其中扁圆输液管安装在滴瓶下游方向,扁圆输液管横断面为近似椭圆形的可以更容易地实现向管路内凹陷和向外膨胀的扁圆形结构,流量调节器高限位性安装在滴瓶下方输液管的上端区域临近滴瓶底部位置,用来限位流量调节器高度的结构是安装在流量调节器下端的塑形限位卡环,流量调节器被限定在滴瓶底端和塑形限位卡环之间安装和使用,其中,扁圆输液管横断面的形状不仅仅限于近似椭圆形的扁圆形结构,还包括多边的扁形结构,扁圆输液管包括整根扁圆管和分段扁圆管,流量调节器下端安装的塑形限位卡环的高度设计在静脉穿刺点20厘米以上,该塑形限位卡环可以套装或插接固定在滴瓶下游的输液管路上,套装固定在输液管上的塑形限位卡环的内孔形状与扁圆输液 The present invention comprises a dropper, oblate infusion tube, a flow regulator shaped stop ring and the venous needle, which is mounted in the infusion tube oblate dropper downstream direction, the infusion tube oblate elliptical cross section can be approximately more easily achieve the structure of the flat circular recess and outwardly expandable inner conduit, the high limit of the flow regulator is mounted in the region below the upper end of the dropper infusion tube near the bottom position dropper, to limit the height of the flow regulator shaped configuration is mounted on the lower end of the flow regulators stop collar, the flow regulator is installed and used defined between the bottom end and a drop shaped stop collar, wherein the oblate cross-sectional shape of the infusion tube is not limited to a circular configuration approximately flat oval, a flat structure further comprises a multilateral, oblate infusion tube including the entire root oblate oval tube and the tube segment, the height of the flow regulator is installed in the lower end of the snap ring shaped stopper in the above design venipuncture 20 cm, the collar may be shaped stop plug is fixed to an infusion set or pipeline downstream of the dropper, the infusion tube set is fixed to the shaping of the stop collar with the flat inner hole shape infusion round 横断面的外形基本一致,塑形并维持扁圆输液管的扁圆形状保持不变,而流量调节器包括滚轮式流量调节器,管内插接的设定流量调节器或开关架子三种,套装或插接固定在输液管上的塑形限位卡环用于限定上述三种流量调节器中的任何一种调节器的高度,滴瓶下端与塑形限位卡环之间的距离在5-20厘米,将流量调节器限定性地安装和使用在滴瓶下端与塑形限位卡环之间并作为静脉穿刺时的最低位的关闭点,使用流量调节器的固定型-即插接在输液管上不可移动的流量调节器,扁圆输液管则插接安装在固定型流量调节器的下方,固定型流量调节器安装在滴瓶下端并高于静脉穿刺点20厘米使用。 Substantially uniform cross-sectional shape, an oblate shape oblate shaped and maintains the infusion tube is kept constant, and the flow regulator comprises a roller type flow regulator, setting the plug inner tube flow regulator or switches three kinds of shelves, set plug or fixed to the infusion tube shaping stop collar for defining any of the three actuator flow regulator in height, the distance between the dropper and the lower end of the card shaped stop ring 5 -20 cm, the limiting flow regulator mounted and used between the lower end of the dropper ring shaped locating clip closed position and as a minimum point when the venipuncture, using a fixed type flow regulator - i.e. plug on the infusion tube immovable flow regulators, oblate infusion tube is mounted below the stationary plug type flow regulator, flow regulator mounted stationary in the dropper and the lower end 20 cm above the venipuncture use.

[0006] 使用本发明所设计回血体系,根本解决了气泡的产生,减免了一个独立的结构装置和相关的胶粘剂使用以及减免了泄露的检测环节,统一了操作的技术标准,使得回血最灵敏化和客观化。 [0006] The present invention is designed to return to the blood system, the fundamental solution to the bubble formation, reduction of a separate structure of the device and the associated use of adhesive and reduction of the detected links leakage, uniform technical standards of operation, such that the blood back to the most sensitive of and objective.

附图说明 BRIEF DESCRIPTION

[0007] 下面结合附图对本发明作进一步说明,附图中: [0007] DRAWINGS The present invention is further illustrated drawings in which:

[0008] 图1是本发明所提出的扁圆输液管横断面结构示意图; [0008] FIG. 1 is a schematic cross-section of the infusion tube oblate structure proposed by the present invention;

[0009] 图2是本发明所提出的扁圆输液管与高限位调节器整体布局结构示意图; [0009] FIG. 2 is a schematic layout of the infusion tube oblate high overall configuration of the stopper regulator proposed by the present invention;

具体实施方式 Detailed ways

[0010] 如图1所不,为本发明所提出的扁圆输液器的横断面结构不意图,扁圆输液管壁I和扁圆输液管内腔2的形态示意。 [0010] The cross-sectional structure is not shown in Figure 1, the proposed infusion oblate present invention is not intended, and I oblate oval wall infusion lumen of the infusion tube 2 in a schematic form.

[0011] 如图2所示, 为本发明所提出的扁圆输液管与高限位调节器合成标准回血判读系统,主要包括:滴瓶3、扁圆输液管5、流量调节器4、塑形限位卡环7和静脉针6,其中扁圆输液管5安装在滴瓶3的下游方向,扁圆输液管5横断面为近似椭圆形的扁圆输液管壁I和扁圆输液管内腔2的形态结构,流量调节器4高限位性地安装在滴瓶3的下方输液管的上端区域临近滴瓶3的底部位置,用来限位流量调节器4的高度的结构是安装在流量调节器4下端的塑形限位卡环7,流量调节器4被限定在滴瓶3的底端和塑形限位卡环7之间的区域内安装和使用,另外,扁圆输液管5的横断面的形状不仅仅限于近似椭圆形的扁圆形结构,还包括多边的扁形结构,扁圆输液管5包括整根扁圆管和分段扁圆管,即圆管和扁圆管混合形态,流量调节器4下端安装的塑形限位卡环7高于静脉穿刺点20厘米 [0011] 2, the present invention proposes a synthetic standard infusion tube oblate high blood back stopper regulator interpretation system, mainly comprising: a dropper 3, oblate infusion tube 5, the flow regulator 4, plastic card-shaped stop ring 7 and the venous needle 6, wherein the oblate infusion tube 5 is mounted in the downstream direction of the dropper bottle 3, infusion tube 5 oblate oval cross section is approximately oval wall I infusion lumen and infusion tube oblate 2 morphology, high flow regulator 4 of the stopper mounted on the bottle 3 drops below the upper end region of the infusion tube near the bottom position 3 of the dropper, flow regulator to limit the height of the structure 4 installed in the flow 4 the lower end of the stop collar shaped actuator 7, the flow regulator 4 is defined in the installation and use of dropper region between the bottom 7 and the snap ring shaped stopper 3, Further, the infusion tube 5 oblate the shape of the cross section is not limited to a circular configuration approximately flat oval, a flat structure further comprises a multilateral, oblate infusion tube 5 and comprises the entire root canal oblate oval pipe sections, i.e. tube and mixing tube oblate shape, the lower end of the flow regulator 4 is installed above the shaping stop collar 7 venipuncture 20 cm 上,该塑形限位卡环7套装或插接固定在滴瓶3下游的扁圆输液管5上,用于阻止流量调节器4被人为捋拽或自然下滑而导致流量调节器4降低高度,套装固定在扁圆输液管5上的塑形限位卡环7的内孔形状与扁圆输液管横断面的扁圆输液管壁I外形基本一致,使扁圆输液管5的扁圆形状保持不变,流量调节器4包括滚轮式流量调节器4a,管内插接的设定流量调节器4b或开关夹子4c三种,套装或插接固定在输液管上的塑形限位卡环7用于限定上述三种流量调节器中的任何一种调节器的高度,滴瓶3下端与塑形限位卡环7之间的距离设计在5-20厘米,将流量调节器4限定性地安装和使用在滴瓶3的下端与塑形限位卡环7之间并作为静脉穿刺时的最低位的关闭点,使用流量调节器4的固定型-即插接在输液管上不可移动的流量调节器4b,扁圆输液管5则插接安装在固定型流量调节器4b On the shaping stop collar 7 fixed to the suit or inserted dropper oblate on the downstream infusion tube 53, for preventing the flow regulator 4 is pulled artificial or natural decline in stroke caused by reducing the height of the flow regulator 4 , the infusion set is fixed to the tube 5 oblate shaped locating clip bore 7 ring shape oblate oval cross-section of the infusion tube wall I infusion basically the same shape, so that the infusion tube oblate oval shape 5 remains unchanged, the flow regulator 4 comprises a roller type flow regulator 4a, an inner tube plug flow regulator setting switch 4b or 4c three kinds of clips, secured to the suit or inserted infusion tube shaping stop collar 7 It used to define any of the three actuator flow regulator in height, the lower end of the dropper 3 and the distance between the stop shaped collar 7 5-20 cm design, the flow regulator 4 restrictively installation and use of the least significant bit and as a shut-off point during venipuncture, using a flow regulator between the dropper and the lower collar shaped stopper 3 7 4 stationary - that is inserted in the infusion tube immovable flow regulator 4b, oblate infusion tube 5 mounted in a fixed plug-type flow regulator 4b 的下方,固定型流量调节器4b安装在滴瓶3下端并高于静脉穿刺点20厘米使用,其下方安装塑形限位卡环7作为始终的变形诱发点,或在扁圆输液管5在任何环境下能够可靠维持扁圆形态时可以省略安装。 Below, 4b fixed type flow regulator mounted on the lower end of the dropper 3 and 20 cm above the venipuncture using, shaped stopper mounted below the collar 7, as always induced deformation point, or the infusion tube 5 oblate can be installed in any environment omit oblate shape can be reliably maintained.

[0012] 本发明实现了系统结构产生回血功效的目的,根本解决了气泡的产生和存留,减免了一个独立的结构装置和相关的胶粘剂使用以及减免了泄露的检测环节,统一了操作的技术标准,使得回血最灵敏·化和客观化。 [0012] The present invention achieves the object of the system resulting structure back to the blood efficacy, the fundamental solution of bubble formation and retention, reduction of a separate structure of the device and the associated use of adhesive and reduction of the detected links leakage, uniform technical standards operating so back to the blood-the most sensitive and objective manner.

Claims (7)

1.一种扁圆输液管与高限位调节器合成标准化回血显示系统,主要包括:滴瓶、扁圆输液管、流量调节器、塑形限位卡环和静脉针,其中扁圆输液管安装在滴瓶下游方向,扁圆输液管横断面为近似椭圆形的扁圆形结构,流量调节器高限位性安装在滴瓶下方输液管的上端区域临近滴瓶底部位置,用来限位流量调节器高度的结构是安装在流量调节器下端的塑形限位卡环,流量调节器被限定在滴瓶底端和塑形限位卡环之间安装和使用。 An infusion tube and the high oblate regulator synthetic stopper standardized display system back to the blood, mainly comprising: a dropper, oblate infusion tube, flow regulator, shaping and venous needle stop collar, wherein the infusion tube oblate dropper mounted downstream direction, the infusion tube oblate oval cross section is approximately flat circular configuration, the high limit of the flow regulator is mounted in the region below the upper end of the dropper infusion tube near the bottom position dropper, to limit the height of the flow regulator structure is mounted at the lower limit of the flow rate regulator shaping the collar, the flow regulator is defined in the bottom end and a drop shaped stop mounted between the snap ring and use.
2.如权利要求1所述的一种扁圆输液管与高限位调节器合成标准化回血显示系统,其特征在于,扁圆输液管横断面的形状不仅仅限于近似椭圆形的扁圆形结构,还包括多边的扁形结构,扁圆输液管包括整根扁圆管和分段扁圆管。 2. An infusion tube and the high oblate stop regulator according to claim 1 Synthesis standardized display system back to the blood, characterized in that the shape of the oblate cross-section of the infusion tube is not limited to flat circular configuration approximately elliptical further comprising a multilateral flat structure, including oblate infusion tube segment and the entire root canal oblate oval tube.
3.如权利要求1所述的一种扁圆输液管与高限位调节器合成标准化回血显示系统,其特征在于,所述的流量调节器下端安装的塑形限位卡环高于静脉穿刺点20厘米以上,该塑形限位卡环套装或插接固定在滴瓶下游的输液管路上。 3. An infusion tube and the high oblate stop regulator according to claim 1 Synthesis standardized display system back to the blood, characterized in that the lower end of the flow regulator is installed above the collar shaped stop venipuncture point 20 cm above the shaping plug or stopper collar fixed set dropper infusion downstream pipeline.
4.如权利要求1所述的一种扁圆输液管与高限位调节器合成标准化回血显示系统,其特征在于,套装固定在输液管上的塑形限位卡环的内孔形状与扁圆输液管横断面的外形基本一致,塑形并维持扁圆输液管的扁圆形状保持不变。 4. An infusion tube and the high oblate stop regulator according to claim 1 Synthesis standardized display system back to the blood, characterized in that the shape of the hole is fixed to the infusion tube set shaping the flat stop collar circular cross section of the infusion tube basically the same shape, an oblate shape oblate shaped and infusion tube is maintained unchanged.
5.如权利要求1所述的一种扁圆输液管与高限位调节器合成标准化回血显示系统,其特征在于,流量调节器包括滚轮式流量调节器,管内插接的设定流量调节器或开关夹子三种,套装或插接固定在输液管上的塑形限位卡环用于限定上述三种流量调节器中的任何一种调节器的高度。 5. An infusion tube and the high oblate stop regulator according to claim 1 Synthesis standardized display system back to the blood, characterized in that the flow regulator comprises a roller type flow regulator, setting the plug inner tube flow regulator clamps or three kinds of switches, plug fixed to the suit or shaping infusion tube defining a stop collar height adjuster of any of the three in the flow regulator.
6.如权利要求1所述的一种扁圆输液管与高限位调节器合成标准化回血显示系统,其特征在于,滴瓶下端与塑形限位卡环之间的距离在5-20厘米,将流量调节器限定性地安装和使用在滴瓶下端与塑形限位卡环之间并作为静脉穿刺时的最低位的关闭点。 6. An infusion tube and the high oblate stop regulator according to claim 1 Synthesis standardized display system back to the blood, characterized in that the distance between the lower end of the dropper and the snap ring shaped stop 5-20 cm , limiting the flow regulator mounted and used between the lower end of the dropper ring shaped locating clip closed position and as a minimum point when the venipuncture.
7.如权利要求1所述的一种扁圆输液管与高限位调节器合成标准化回血显示系统,其特征在于,使用流量调节器的固定型-即插接在输液管上不可移动的流量调节器,扁圆输液管则插接安装在固定型流量调·节器的下方,固定型流量调节器安装在滴瓶下端并高于静脉穿刺点20厘米使用。 7. An infusion tube and the high oblate stop regulator according to claim 1 Synthesis standardized display system back to the blood, characterized in that a flow regulator is stationary - i.e., non-removable plug in the infusion tube flow regulator, oblate infusion tube is mounted below the stationary plug-type flow regulator's section, fixed type flow regulator mounted on the lower end of the dropper and 20 cm above the venipuncture use.
CN2013103768884A 2013-08-27 2013-08-27 Flat and round infusion tube and high-limiting adjuster composited standard blood return interpretation system CN103405824A (en)

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CN1994485A (en) * 2006-01-06 2007-07-11 沈捷 Transfusion device provided with highly sensitive blood backstreaming unit
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CN103110998A (en) * 2013-03-19 2013-05-22 王振民 Novel vein needle with quick, sensitive and visible blood returning functions

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728490A2 (en) * 1995-02-22 1996-08-28 Hans Müller Blood treatment device
CN1994485A (en) * 2006-01-06 2007-07-11 沈捷 Transfusion device provided with highly sensitive blood backstreaming unit
CN201481894U (en) * 2009-07-31 2010-05-26 江西洪达医疗器械集团有限公司 Bubble-free transfusion system
CN103110998A (en) * 2013-03-19 2013-05-22 王振民 Novel vein needle with quick, sensitive and visible blood returning functions

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