CN1568162A - 一种带螺纹的注射器 - Google Patents
一种带螺纹的注射器 Download PDFInfo
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- A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
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- A61B17/56—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor
- A61B17/58—Surgical instruments or methods for treatment of bones or joints; Devices specially adapted therefor for osteosynthesis, e.g. bone plates, screws, setting implements or the like
- A61B17/88—Osteosynthesis instruments; Methods or means for implanting or extracting internal or external fixation devices
- A61B17/8802—Equipment for handling bone cement or other fluid fillers
- A61B17/8805—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it
- A61B17/8822—Equipment for handling bone cement or other fluid fillers for introducing fluid filler into bone or extracting it characterised by means facilitating expulsion of fluid from the introducer, e.g. a screw pump plunger, hydraulic force transmissions, application of vibrations or a vacuum
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- A—HUMAN NECESSITIES
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- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/34—Trocars; Puncturing needles
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- A61M37/00—Other apparatus for introducing media into the body; Percutany, i.e. introducing medicines into the body by diffusion through the skin
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
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- A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
- A61F2/02—Prostheses implantable into the body
- A61F2/30—Joints
- A61F2/46—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor
- A61F2/4601—Special tools or methods for implanting or extracting artificial joints, accessories, bone grafts or substitutes, or particular adaptations therefor for introducing bone substitute, for implanting bone graft implants or for compacting them in the bone cavity
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F2310/00—Prostheses classified in A61F2/28 or A61F2/30 - A61F2/44 being constructed from or coated with a particular material
- A61F2310/00005—The prosthesis being constructed from a particular material
- A61F2310/00353—Bone cement, e.g. polymethylmethacrylate or PMMA
Abstract
本发明涉及一种可输入骨替代材料的注射器(10)。注射器(10)包括容纳材料的圆筒(12),位于圆筒(12)中带有螺纹部分的活塞(14),和设有与圆筒(12)同轴的螺纹通孔(50)的接合件(13)。通过沿轴向推动活塞(14)和使活塞(14)转动,活塞(14)的螺纹部分可在圆筒(12)的螺纹通孔(50)中移动。本发明还涉及从注射器(10)挤出材料的方法。
Description
发明领域
本发明涉及一种带螺纹的注射器,具体地,本发明涉及用于输入骨替代材料的注射器。
背景技术
可注射输入的骨替代材料用于修理和增强整形裂纹和缺陷。骨替代材料还可用于某些要求在骨质上形成空穴的诊断或治疗方法。这些诊断或治疗方法可用于处理任何骨问题,如骨质疏松症、骨无血坏死、骨癌或骨损伤等造成的裂纹、压裂或破裂。这些问题如果未成功处理,会导致畸形、慢性并发症和形成对生活质量的负面冲击。
另外,已经知道在一些手术过程中,需要在较低压力下注入大量的骨替代材料,然后在较高压力下基本不加力地注入少量的材料。然而,尤其在高粘性或连续不断但柔软的粘固剂成分的情况下,采用标准推动型注射器通过沿轴向施加压力到注射器活塞,难以产生足以使材料通过注射器出口的压力。另外的严重问题是一旦向活塞施加足够的压力,就难以精确地控制通过圆筒出口挤出的材料数量,导致过多的流出(如流到骨空穴外)。
已经采用了各种类型器具来输送如骨粘固剂这样的骨替代材料,例如带有扳机机构的注射枪,其中使用了具有杆形式的扳机机构。为此目的也可使用标准的包括圆筒和活塞的推动型注射器。
美国专利No.5,638,997公开了一种具有扳机机构的骨粘固剂注射枪,扳机机构具有对应于触发行程的第一和第二机械利益。在专利No.4,338,925中第一机械利益有助于产生高压,所介绍的带扳机机构的注射枪使用具有恒定机械利益的扳机机构。
带扳机机构的注射枪通常缺少改善的触觉反馈,而这是注射器所具有的。这种改善的触觉反馈很重要,当存在阻塞或其它障碍阻止材料从输送机构挤出时,其能够引起手术医生的注意;而且对于敏感的手术,如修理脊椎骨手术,的效果也是很重要的。
欧洲专利B1-006430介绍了一种注入器或注射器,可将骨粘固剂注入手术准备的骨空穴。骨粘固剂注入器包括活塞和圆柱形管,带有小截面喷嘴管的喷嘴连接到圆柱形管。这种结构的注入器能够以简单方式使糊状骨粘固剂混合和挤出。为此,喷嘴管制成具有较小截面的两段构件。
美国专利No.4,576,152公开了另一种骨粘固剂注射器。这种注射器在圆柱形管的底部设置了注入喷嘴,用于低压操作输送大量骨粘固剂。用于高压注入的喷嘴可释放地固定到圆柱形管,该喷嘴件可取下以便进行低压注入,当安装上时进行高压注入。
发明内容
本发明涉及一种可输送骨替代材料的注射器。该注射器包括容纳材料的圆筒,位于所述圆筒中的带有螺纹部分的活塞,和与圆筒同轴的带有螺纹通孔的接合件。通过沿轴向推动所述活塞和使所述活塞转动,可使活塞的螺纹部分在螺纹通孔中移动。
优选的接合件具有C形状并包括径向延伸的槽。另外,优选的接合件可沿径向膨胀。在一实施例中,通孔的截面可变化。在另一实施例中,通孔的内表面,当所述活塞通过时,可与活塞完全接触。
在另一优选实施例中,向远端推动活塞时,材料在第一压力下从圆筒挤出;当旋转活塞前进时,材料在第二压力下从圆筒挤出。当沿轴向推动活塞时,活塞的螺纹部分通过接合件时最好产生可听到的声响。每次伴随可听到的声响最好有预定数量的材料从圆筒挤出。此外当所述活塞随着每次转动前进时,预定数量的材料从圆筒挤出。
注射器最好还包括连接件,其结构可容纳部分的容纳材料的包装部件,连接件有助于使材料从所述包装部件输送到圆筒。优选的连接件包括漏斗件,可使材料漏入圆筒。
注射器最好还包括连接到圆筒近端的指压件,所述接合件位于所述指压件中。在一实施例中,所述指压件包括两个半壳体。在优选实施例中,所述接合件可在指压件中的第一位置和第二位置之间移动,在第一位置沿轴向推动所述活塞使所述活塞前进,在第二位置转动活塞可使所述活塞前进。优选的接合件包括延伸臂,当所述接合件位于第一位置时,可与所述指压件的内壁接触。接合件最好与座部件接合,当所述接合件位于第二位置时,可防止接合件膨胀。
本发明还涉及从注射器挤出材料的方法,注射器包括设有接合件的圆筒和活塞,优选的方法包括下列步骤:推动活塞通过接合件使活塞在圆筒中移动;转动活塞通过接合件使活塞在圆筒中移动。
附图说明
图1是根据本发明的注射器的透视图;
图2是图1注射器的前视图,显示了指压件的截面;
图3是图1注射器的接合件的透视图;
图4是图1带螺纹活塞的透视图;
图5是图1带螺纹活塞的螺纹的部分纵向截面图;
图6是显示材料管连接到图1注射器的分解透视图;
图7是图6连接件的透视图;
图8是显示材料输送到图1注射器的截面图;
图9是与图1注射器分开的图6的管的透视图;
图10是显示图4活塞插入图1圆筒的透视图;和
图11A和11B是图1指压件的部分截面图,分别显示了位于第一和第二位置的接合件。
具体实施方式
参考图1和图2,根据本发明的注射器10的第一实施例包括圆柱体或圆筒12、接合件13、和带螺纹的活塞14。注射器可用于输送药物,最好用于输送促进受伤或患病骨头恢复的材料。这些用于医治骨头的适合材料示例包括聚甲基丙烯酸甲酯(PMMA),磷酸钙粘固剂,如可从加利福尼亚州的Norian Corporation of Cupertino公司购买的Norian磷酸钙骨粘固剂;硫酸钙粘固剂;脱除有机质的骨混悬液,或其他骨充填材料或骨替代材料。在优选实施例中,注射器10可输送较高粘性或连续不断,但柔软的材料,或具有较低液固比的材料,如糊状材料。
圆筒12包括沿圆筒12的纵轴线18从近端20延伸到远端22的中心通道或孔16。孔16内部基本为圆柱形,其直径D最好为大约0.625英寸。出口通道24在孔16远端与孔16流体连通,其直径小于孔16的直径。当使用注射器10时,可通过出口通道挤出圆筒12容纳物。孔16内壁在远端形成锥度,带有收缩角26,以过渡到较小直径的出口通道24。在优选实施例中,收缩角26大约为90度,以帮助离开孔16的材料传输和进入出口通道32。圆筒12一般具有圆柱形外表面28,在近端20最好设有至少一个环状法兰30,法兰沿径向延伸超过外表面28。两个平面的指压件的固定件33从圆筒12的近端20径向向外延伸,并纵向延伸超过圆筒12近端20,以支撑指压件34。
针头连接部分36在注射器10的远端22形成。针头连接部分36包括从圆筒12远端向远端方向延伸的中心圆柱体38,其内部形成出口通道32。两个翼片40从圆筒12远端延伸到注射器10的远端22。至少一个法兰42位于针头连接部分36的远端,以帮助针头或类似器件连接到注射器10的远端22。
指压件34在注射器10的近端20连接到指压件固定件33,其形状适合使用者使用注射器时用手指按压。在优选实施例中,指压件34包括两个半壳体44,其与固定件33配合并可通过超声波焊接连接到一起。指压件34的远端部分最好对接环形法兰30,这样,当使用注射器时,沿近端方向施加到指压件34上的力可传递到圆筒12,反之亦然。指压件34内一部分与固定件33对接或接触,因此,任何传递到指压件34的转动力可传递到圆筒12,反之亦然。指压件34的外部包括中心圆柱部分46,其直径稍大于圆筒12的直径;和两个平行圆筒12纵轴线18的指状部分48。指压件34内部至少部分是中空的,可容纳接合件13。在优选实施例中,接合件13在中心圆柱部分46内部可沿径向自由膨胀和沿轴向自由移动。另一实施例中,接合件13可容纳于圆筒12,或与圆筒整体形成。
参考图2和图3,接合件13位于相邻的圆筒12近端20,包括内表面54上带有螺纹52的通孔50。接合件13的螺纹52与法兰14的螺纹互补。在优选实施例中,接合件13具有C形状,其外径一般对应于上面介绍的环形法兰30的直径。槽56沿径向从通孔50延伸到接合件13外表面58,使得接合件13可沿径向膨胀,如图3中的箭头60所示。在优选实施例中,接合件13和螺纹通孔50位于指压件34中,与圆筒12的中心孔16轴向对准。槽56与一个指压件固定件33对准并与之接合,接合件13的外表面58的一部分与另外的指压件固定件33对接。接合件13可沿轴向在指压件34内部的第一位置和第二位置之间移动。第一位置离开指压件34,接合件在第一位置与圆筒12对接或接触,如图11A所示。第二位置接近指压件34,接合件在第二位置与指压件的内壁对接或接触,如图11B所示。槽56通过与指压件固定件33接合可防止接合件13转动。接合件13包括延伸臂62,当接合件位于第一位置时,可以与指压件34的内壁接触,延伸臂使接合件具有容易辨认的特征,可帮助注射器10正确安装。
参考图4,活塞14具有近端72,远端74,螺纹杆76,没有螺纹的顶端78,和整体形成的把手状的端部80。螺纹杆76的外螺纹82与接合件13的内螺纹52互补可互相连接。螺纹杆76的螺纹82的外径近似相同于圆筒12中心孔16的内径D,但稍小,可使螺纹杆76在紧密公差下在中心孔16中移动。在一优选实施例中,螺纹杆76螺纹82的螺距大约为0.10英寸,或每英寸有大约10个螺纹。螺纹82的侧角84,86最好不对称。如图5所示,螺纹杆76的各螺纹82的前侧表面88具有前侧角84。在优选实施例中,前侧角大约为60度,前侧角84最好在大约45到大约75度之间。后侧表面90具有大约0度到10度之间的后侧角86,该角度最好为0度。采用推动方式时优选的侧角可帮助注射器10输送材料,防止使用时的活塞14受到近端方向的推动或受力。可清楚地看出上面介绍的螺纹形状是从英制梯形螺纹(Acme)改进得到,但又明显不同。对于介绍螺纹和其构成部分所使用术语的更详细说明,读者可参考纽约,IndustrialPress Incorporated公司出版的机械加工手册的24版。其中许多介绍螺纹部分的定义在本文中参考引用。
为了防止螺纹杆76的螺纹之间的材料在进入圆筒时向上回流,无螺纹顶部78的外直径近似相同于中心孔16的内径,但稍小,使无螺纹顶部78以非常小公差在中心孔16滑动。无螺纹顶端78还设有环形凹槽,可容纳适当尺寸的○形圈(未显示),提供相对中心孔16内表面的有效密封。无螺纹顶端78的远端74具有倾斜的顶表面92,可帮助注射器10排出最多数量的材料。在优选实施例中,顶部78的远端设有角度在大约95到145度之间的活塞角94,角度在大约105到135度之间更好,最好是大约120度。已经明确,不希望活塞角94与收缩角26相等。活塞角94最好大于收缩角26,这样注射器可排出最大数量的材料。
活塞14可进行轴向推动或转动通过接合件13在圆筒12内前进。通过沿轴向推动活塞14,活塞14可沿圆筒12的纵轴线18移动通过接合件13的螺纹通孔50。也可通过转动活塞使活塞14的螺纹杆76的螺纹82与螺纹通孔50的螺纹啮合,使活塞14沿圆筒12的纵轴线移动。
参考图6到9,在优选实施例中,连接件110可连接到活塞12的近端20,以使材料输入圆筒12。连接件110可安装到带有连接器98的包装部件或管96,以帮助管96中容纳的材料输入注射器。
如图7所示,优选连接件110包括反转的中心漏斗件112,其具有从位于底部的较大的开口部116向上延伸的较窄的圆柱形顶部114。螺纹接合指状件118与开口部116间隔开,可与接合件13的接合螺纹52连接。两个释放臂120从顶部114的端部径向向外延伸,可帮助连接件110相对圆筒12的近端20插入和取出。如图8所示,一旦连接件110插入圆筒12的近端20,管96的连接器98与连接件110接合,顶部114延伸进入连接件98。当管96与圆筒12接合,管96中的材料可通过按压管96容易地输出。当材料进入圆筒12,连接件110的反转漏斗112有利地使材料转向通过接合件13,保护接合件13在进行传输时免于接触材料。希望接合件保持着没有材料,使接合件在操作注射器时可自由移动。参考图9,一旦有足够的材料传输到圆筒12中,通过向释放臂120接近使指状件118与螺纹52脱离,连接件110和管96可容易地从注射器10取下。
现在参考图10,一旦材料位于圆筒12中,活塞14可通过接合件13插入圆筒12的近端20,并延伸进入圆筒12的中心孔16,可根据需要在低压和高压下进行材料挤出。例如,低压适合排出大量材料,而高压适合当需要材料流入封闭空腔的情况,或需要进入松质骨的情况。在一些实施例中,必须产生大约100Psi和大约500Psi之间的压力才能以足够速率将治疗材料注入。应当注意到,使用者希望能在输入材料时有触觉反馈,这样才能根据所采用的程序在最佳压力下进行材料输入。
可沿轴向推动活塞14在低压下进行材料挤出。如上面所作解释,螺纹82的侧角84,86不是对称的,而是前表面88带有前侧角84。这样,当活塞沿轴向前进或推动时,该前侧角84引导接合件13进入指压件34中某区域,在这里沿径向弹性膨胀,如图3中箭头60所示。因此,当活塞的各螺纹82通过时,通孔50的截面积随接合件13的膨胀和收缩而变化。通过这种模式,当活塞沿远端方向前进时,接合件13的行为如同阻力很小的棘齿。在后侧角大约为0度的优选实施例中,一旦螺纹82已经沿远端方向前进通过接合件,可防止螺纹沿近端方向向后移动通过接合件,并不会沿逆时针方向转动活塞,即脱开活塞。在优选实施例中,通孔50的内表面54围绕活塞14,且最好当活塞移动通过时,与活塞14完全接触。最好随每次整个螺纹82通过接合件12能发出可听到的声响。通过相对圆筒12的截面积调整螺纹82的螺距,该声响表示不连续的材料量从注射器中挤出。在优选实施例中,直径为0.625英寸和螺距为0.10英寸时,一次声响表示0.5cc的材料从注射器中排出。这样就为使用者提供了确定输入量的方法。
通过相对圆筒12沿顺时针方向转动活塞14端部80,材料可在高压下挤出。当端部80转动时,活塞14的远端74可逐渐前进到圆筒12的中心孔16。螺纹通孔70和螺纹杆76配合将施加到端部80的外转动力转变为纵向作用力,通过活塞16的远端74作用到圆筒12中的骨粘固剂材料上。所述领域的技术人员应当认识到,使用带螺纹的活塞,使用者更容易在圆筒12中产生需要的力,在较高的压力下将材料挤出圆筒12的远端22。应当注意到,端部80的形状还允许使用者以最小的手和腕转动量来有效地转动活塞16。扩大的端部80形状使使用者更容易把握和操纵。所属领域的技术人员应认识到,当相对圆筒12转动活塞16,活塞16前进进入圆筒12,圆筒12内可产生很高的压力,特别是在高粘性或连续不断,但柔软的骨粘固剂成分置于圆筒12内时。这样在优选实施例中,通过采用螺纹活塞所提供的机械利益最好大约为5比1。此外,活塞14相对圆筒12的旋转数(或其分数)提供了从注射器10远端22排出材料数量的测定方法。在一个优选实施例中,采用了0.10英寸的螺距,端部80的完整一圈(即360度)使活塞纵向前进足够的距离,使0.5cc的材料从圆筒12的远端22挤出。
参考图11B,在一优选实施例中,一旦活塞顺时针方向转动,促使接合件13沿近端方向移动,在指压件34近端内与座部件126接合。座部件126最好围绕或包围至少一部分接合件13外部,防止接合件沿径向膨胀。这样可提供接合件的刚性支撑,使接合件的作用如同螺母,将活塞14的转动转换为轴向移动。
所属领域的普通技术人员可对本发明进行许多的改进和变化。所有这些改进都属于所附权利要求的精神和其限定的范围。
Claims (17)
1.一种可输入骨替代材料的注射器,其包括:
容纳材料的圆筒,具有从中延伸的纵轴线;
位于所述圆筒中带有螺纹部分的活塞,和
同轴地位于所述圆筒的接合件,所述接合件包括带螺纹的通孔,所述螺纹可与所述活塞的螺纹部分相连接;
其中通过沿轴向推动所述活塞和使所述活塞转动,可使所述活塞的螺纹部分在所述螺纹通孔中移动。
2.根据权利要求1所述的注射器,其特征在于,所述接合件具有C形状并包括径向延伸的槽。
3.根据权利要求2所述的注射器,其特征在于,所述接合件可沿径向膨胀。
4.根据权利要求1所述的注射器,其特征在于,所述通孔的截面可变化。
5.根据权利要求1所述的注射器,其特征在于,所述通孔包括内表面,当所述活塞通过时,可与所述活塞完全接触。
6.根据权利要求1所述的注射器,其特征在于,当向远端推动所述活塞时,材料在第一压力下从所述圆筒挤出;当旋转所述活塞前进时,材料在第二压力下从所述圆筒挤出。
7.根据权利要求1所述的注射器,其特征在于,当沿轴向推动所述活塞时,所述活塞的螺纹部分通过所述接合件时产生可听到的声响。
8.根据权利要求7所述的注射器,其特征在于,每次伴随可听到的声响从所述圆筒挤出预定数量的材料。
9.根据权利要求1所述的注射器,其特征在于,当所述活塞随每次转动前进时,从所述圆筒挤出预定数量的材料。
10.根据权利要求1所述的注射器,所述注射器还包括连接件,其结构可容纳包装部件,所述包装部件容纳材料,可帮助材料从所述包装部件传送到所述圆筒。
11.根据权利要求10所述的注射器,其特征在于,所述连接件包括漏斗件,可将材料漏入所述圆筒。
12.根据权利要求1所述的注射器,其特征在于,所述注射器还包括指压件,其连接到所述圆筒的近端,所述接合件位于所述指压件之中。
13.根据权利要求12所述的注射器,其特征在于,所述指压件包括两个半壳体。
14.根据权利要求12所述的注射器,其特征在于,所述接合件可在所述指压件中的第一位置和第二位置之间移动,在第一位置通过沿轴向推动所述活塞可使所述活塞前进,在第二位置通过转动所述活塞可使所述活塞前进。
15.根据权利要求14所述的注射器,其特征在于,所述接合件包括延伸臂,当所述接合件位于第一位置时,可与所述指压件的内壁接触。
16.根据权利要求14所述的注射器,其特征在于,所述接合件与座部件接合,当所述接合件位于第二位置时,可防止所述接合件膨胀。
17.一种从注射器中挤出材料的方法,所述注射器包括设有接合件的圆筒和活塞,所述方法包括步骤:
推动所述活塞通过所述接合件,使所述活塞在所述圆筒中移动;
和
转动所述活塞通过所述接合件,使所述活塞在所述圆筒中移动。
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- 2002-08-20 MX MXPA04001512A patent/MXPA04001512A/es unknown
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- 2002-08-20 ES ES02768637T patent/ES2316611T3/es not_active Expired - Lifetime
- 2002-08-20 JP JP2003520799A patent/JP4257976B2/ja not_active Expired - Lifetime
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WO2010139093A1 (zh) * | 2009-06-05 | 2010-12-09 | Shao Weixing | 一种脊椎用填充器 |
CN107427637A (zh) * | 2014-04-17 | 2017-12-01 | 巴林医疗有限公司 | 用于制备并施用血液组分的仪器和方法 |
US11464915B2 (en) | 2014-04-17 | 2022-10-11 | Genesis Biologics Holdings Ltd. | Apparatus and method for the preparation and administration of blood components |
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CN106456213B (zh) * | 2014-06-09 | 2019-04-12 | 库克医药技术有限责任公司 | 用于基准物部署的螺钉驱动式手柄及系统 |
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CN108420728A (zh) * | 2018-03-19 | 2018-08-21 | 魏长同 | 一种配药用注射器 |
CN108420728B (zh) * | 2018-03-19 | 2020-11-24 | 王常荣 | 一种配药用注射器 |
CN112384988A (zh) * | 2018-05-18 | 2021-02-19 | 巴德外周血管股份有限公司 | 用于两种或更多种流体的独立输送的双级注射器 |
CN112354025A (zh) * | 2020-11-14 | 2021-02-12 | 西安交通大学 | 一次性正负压注射器 |
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---|---|
AU2002331658B2 (en) | 2006-11-02 |
JP2004538100A (ja) | 2004-12-24 |
CA2457130C (en) | 2009-04-21 |
WO2003015845A2 (en) | 2003-02-27 |
ES2316611T3 (es) | 2009-04-16 |
JP4257976B2 (ja) | 2009-04-30 |
KR20040039298A (ko) | 2004-05-10 |
US20030036762A1 (en) | 2003-02-20 |
DE60229650D1 (de) | 2008-12-11 |
CA2457130A1 (en) | 2003-02-27 |
EP1424945A2 (en) | 2004-06-09 |
WO2003015845A3 (en) | 2003-08-14 |
CN100522089C (zh) | 2009-08-05 |
ATE412439T1 (de) | 2008-11-15 |
US6793660B2 (en) | 2004-09-21 |
EP1424945A4 (en) | 2005-10-05 |
EP1424945B1 (en) | 2008-10-29 |
MXPA04001512A (es) | 2004-05-31 |
RU2004108127A (ru) | 2005-02-20 |
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