公开(公告)号：US20110224642A1

公开(公告)日：2011-09-15

申请号：US12723610

申请日：2010-03-12

申请人： Shawn P. Fojtik

发明人： Shawn P. Fojtik

IPC分类号： A61M5/31 ,  A61M1/00

CPC分类号： A61M5/204 ,  A61B10/0283 ,  A61B2010/0258 ,  A61M1/0009 ,  A61M5/31511 ,  A61M2005/3112 ,  A61M2005/3114 ,  A61M2005/3115 ,  A61M2005/3128

摘要： The present invention includes syringes with valves. The valves control communication between the interior of a barrel of the syringe and the exterior of the barrel. In syringes that include two valves, the valves may be oriented opposite one another, such that one of the valves may enable fluid to flow into the interior of the barrel of the syringe while preventing fluid from flowing in the opposite direction, while the other valve may enable fluid to flow out of the interior of the barrel while preventing fluid from flowing in the opposite direction. Alternatively, a syringe may include a single valve, which is carried at or near a distal end of its plunger. Methods for using such syringes, including, but not limited to, manual pulsed aspiration methods and manual pulsed delivery methods are also disclosed.

摘要翻译： 本发明包括具有阀的注射器。 阀门控制注射器的枪管的内部与枪管的外部之间的连通。 在包括两个阀的注射器中，阀可以彼此相对定向，使得阀中的一个可以使流体能够流动到注射器的筒的内部，同时防止流体沿相反的方向流动，而另一个阀 可以使流体从筒的内部流出，同时防止流体沿相反的方向流动。 或者，注射器可以包括单个阀，其在其柱塞的远端处或附近承载。 还公开了使用这种注射器的方法，包括但不限于手动脉冲抽吸方法和手动脉冲递送方法。

公开(公告)号：US20110224622A1

公开(公告)日：2011-09-15

申请号：US13062511

申请日：2009-09-07

申请人： Martin Karlsson

发明人： Martin Karlsson

IPC分类号： A61M5/315

CPC分类号： A61M5/20 ,  A61M5/24 ,  A61M5/3129 ,  A61M5/31538 ,  A61M5/31543 ,  A61M5/31586 ,  A61M2005/202 ,  A61M2005/2407 ,  A61M2005/3112

摘要： The present invention relates to a device for delivering medicament, comprising a generally elongated tubular housing having opposite distal and proximal ends, said tubular housing comprising a distal housing part and a proximal housing part releasebly connected to each other by first engagement means; a container inside said proximal housing part and arranged to contain medicament; a threaded plunger rod; a drive nut threadedly connected to the threaded plunger rod; a drive member having a tensioning wheel accessible outside the distal end of the distal housing part, said drive member being connected to the drive nut via a plunger housing arranged between said drive member and said drive nut; spring force means having a first end connected to the drive member and a second end connected to a fixed point on the distal housing part such that said spring force means is tensioned when said tensioning wheel and said drive member are rotated; a manually operated activation means releasable interconnected to said plunger housing by fourth engagement means for providing a rotational locking of the plunger housing in any direction when said drive member is rotated and said spring force means is tensioned, and for releasing said rotational locking when said fourth engagement are moved away from each other, such that said drive member, said plunger housing and said drive nut are rotated in the opposite direction forcing the plunger rod to move axially exerting pressure on the medicament inside the container for expelling a certain predetermined quantity of the medicament through a delivery member; wherein the device further comprises a guide nut arranged with guide ledges which cooperate with longitudinal grooves of the plunger for providing a rotational lock but allowing a longitudinal movement of the plunger rod in relation to the guide nut, and wherein said guide nut is rotationally locked to the distal housing part by fifth engagement means when the two housing parts are connected to each other; and pressure release means comprising slanting wedge-like surfaces arranged on said drive means and slanting wedge-like surfaces arranged on a fixed inner annular surface of the distal housing part, which slanting wedge-like surfaces are abutting each other such that they move out of contact near the end of the delivery of the predetermined quantity when the drive nut is rotated.

公开(公告)号：US20110224612A1

公开(公告)日：2011-09-15

申请号：US12767058

申请日：2010-04-26

申请人： Chee Leong Lum ,  Michael Soltz

发明人： Chee Leong Lum ,  Michael Soltz

IPC分类号： A61M5/38 ,  A61M5/36 ,  B65B3/04

CPC分类号： A61M5/36 ,  A61B5/15003 ,  A61B5/150213 ,  A61B5/150236 ,  A61B5/153 ,  A61M5/1782 ,  A61M5/3145 ,  A61M5/31511 ,  A61M5/31513 ,  A61M2005/3112 ,  A61M2005/3123 ,  A61M2005/31516

摘要： Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.

公开(公告)号：US20110224610A1

公开(公告)日：2011-09-15

申请号：US12762672

申请日：2010-04-19

申请人： Chee Leong Lum ,  Peter Douglas ,  Waheed Abid

发明人： Chee Leong Lum ,  Peter Douglas ,  Waheed Abid

IPC分类号： A61M5/38 ,  A61M5/31 ,  A61M1/00 ,  B65B3/04

CPC分类号： A61M5/31513 ,  A61B5/1411 ,  A61B5/1416 ,  A61B5/15003 ,  A61B5/150213 ,  A61B5/150221 ,  A61B5/150236 ,  A61B5/150244 ,  A61B5/150251 ,  A61B5/150259 ,  A61B5/150404 ,  A61B5/15048 ,  A61B5/150519 ,  A61B5/150755 ,  A61B5/153 ,  A61M5/1782 ,  A61M5/3145 ,  A61M5/31511 ,  A61M5/36 ,  A61M5/38 ,  A61M2005/3101 ,  A61M2005/3112 ,  A61M2005/3114 ,  A61M2005/3123 ,  A61M2005/31516 ,  B65B3/003 ,  B65B3/12

摘要： Medical device assemblies capable of aspirating liquid into a syringe barrel or other medical devices while evacuating any air from the syringe are described. An exemplary medical device includes a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within either the stopper or the plunger rod. Described is a medical device including a syringe barrel, plunger rod and stopper assembly having an air permeable and liquid impermeable porous portion and structure for forming a vacuum within chamber between the stopper and plunger rod wherein the plunger rod includes a sealing edge and is moveable relative to the stopper. Exemplary medical devices may include a vent for allowing air that permeates through the porous portion to escape to atmosphere. Methods for aspirating a syringe barrel with a liquid are also provided.

摘要翻译： 描述了能够从注射器抽空任何空气的能将液体吸入注射器筒或其他医疗装置的医疗装置组件。 示例性医疗装置包括注射器筒，柱塞杆和止动器组件，其具有透气且液体不可渗透的多孔部分和用于在塞子或柱塞杆内形成真空的结构。 描述了一种医疗装置，其包括注射器筒，柱塞杆和止动器组件，其具有透气性和液体不可渗透的多孔部分和用于在塞子和柱塞杆之间形成腔室内的真空的结构，其中柱塞杆包括密封边缘并且可相对移动 到塞子 示例性医疗装置可以包括用于允许渗透通过多孔部分的空气逸出到大气中的通气口。 还提供了用液体抽吸注射器筒的方法。

公开(公告)号：US07491191B2

公开(公告)日：2009-02-17

申请号：US10779285

申请日：2004-02-13

申请人： Gary S. Wagner ,  Frank Fago

发明人： Gary S. Wagner ,  Frank Fago

IPC分类号： A61M37/00 ,  A61M5/315 ,  A61M5/00

CPC分类号： A61M5/007 ,  A61M5/14546 ,  A61M5/1456 ,  A61M5/31511 ,  A61M2005/1404 ,  A61M2005/3112

摘要： The present invention embodies a method and an injector adapted to incorporate this method, for keeping a patient's vein open during an intravenous contrast injector procedure without injecting a saline solution from a separate syringe. The injector includes a controller having a programable software module to allow an operator to configure the injector to push some contrast media fluid through an injection site and then retract a plunger drive ram. A syringe is adapted to allow a patient's blood pressure to move the syringe plunger back towards its starting position, thus enabling a patient's blood to pass through the injection site. Alternatively, the syringe is adapted with an elastic plunger which as it enlarges and contracts facilitates fluid communication through the injection site. Additionally, the plunger drive ram can be adapted to gradually pull as well as push the plunger, thereby causing fluid to flow across the injection site.

摘要翻译： 本发明体现了适用于该方法的方法和注射器，用于在静脉造影注射器程序期间保持患者的静脉打开，而不从单独的注射器注入盐水溶液。 注射器包括具有可编程软件模块的控制器，其允许操作者配置喷射器以将一些造影剂流体推动通过注射部位，然后缩回柱塞驱动柱塞。 注射器适于允许患者的血压将注射器柱塞移回其起始位置，从而使患者的血液能够通过注射部位。 或者，注射器适应于弹性柱塞，随着其放大和收缩，便于通过注射部位的流体连通。 此外，柱塞驱动柱塞可以适于逐渐拉动以及推动柱塞，从而使流体流过注射部位。

公开(公告)号：US20080160479A1

公开(公告)日：2008-07-03

申请号：US11618191

申请日：2006-12-29

申请人： Clifford J. Ruddle ,  Stephen Barker

发明人： Clifford J. Ruddle ,  Stephen Barker

IPC分类号： A61C5/02

CPC分类号： A61C17/0208 ,  A61C5/40 ,  A61M2005/3112

摘要： A combined irrigator-vacuum device includes a pump assembly mountable over a syringe or device body. The device body has a dividing wall which divides the body into a clean chamber and a waste chamber. Openings are formed at the bottom of the body to provide an inlet into said waste chamber and an outlet from said clean chamber. The pump assembly comprises a housing and a compressible cover defining a pump chamber. A vacuum valve and an irrigation valve are positioned within the pump chamber above the syringe waste chamber and clean chamber, respectively. The pump is operable such that compression of the cover causes irrigant fluid to be ejected from the clean chamber and release of the cover causes used irrigant to be vacuumed into the waste chamber. The device can be selectively switchable between an irrigation-vacuum mode, an irrigation-only mode and a vacuum-only mode.

摘要翻译： 组合的冲洗器 - 真空装置包括可安装在注射器或装置主体上的泵组件。 装置主体具有分隔壁，该分隔壁将主体分成清洁室和废物室。 开口形成在主体的底部以提供进入所述废物室的入口和来自所述清洁室的出口。 泵组件包括壳体和限定泵室的可压缩盖。 真空阀和冲洗阀分别位于注射器废物室和清洁室之上的泵室内。 泵是可操作的，使得盖的压缩使得冲洗液体从清洁室喷射并且盖的释放导致使用的冲洗液被抽真空到废物室中。 该装置可以在灌溉真空模式，仅灌溉模式和仅真空模式之间选择性切换。

公开(公告)号：US20030187406A1

公开(公告)日：2003-10-02

申请号：US10311505

申请日：2002-12-16

发明人： Leonard Morris Spofforth

IPC分类号： A61M005/315

CPC分类号： A61M5/31511 ,  A61M5/28 ,  A61M5/288 ,  A61M5/31515 ,  A61M5/347 ,  A61M2005/3112

摘要： The invention comprises a disposable hypodermic syringe with means for passive aspiration. The syringe comprises a barrel (10) of clear synthetic plastics material and a plunger (12) comprising an elastic bung (28) slideable in the barrel (10). Pressure on the plunger elastically deforms the bung (28). If this pressure is released the bung (28) resiles to effect aspiration. This aspiration is passive, requiring no active withdrawal of the plunger by the user. After use the syringe may be disposed of as a whole, with no disassembly, using one hand only. The syringe may be made by adapting cartridges conventionally used for dental local anaesthetic.

摘要翻译： 本发明包括具有被动抽吸装置的一次性皮下注射器。 注射器包括透明合成塑料材料的桶（10）和包括可在桶（10）中滑动的弹性栓（28）的柱塞（12）。 柱塞上的压力弹性变形（28）。 如果释放这个压力，那么（28）就可以吸收。 该抽吸是被动的，不需要用户主动地抽出柱塞。 使用后，注射器可以作为整体进行处理，无需拆卸，仅使用一只手。 注射器可以通过适用于常规用于牙齿局部麻醉剂的滤芯来制造。

公开(公告)号：US5314415A

公开(公告)日：1994-05-24

申请号：US94284

申请日：1993-07-21

申请人： Richard T. Liebert ,  Neil H. Brown

发明人： Richard T. Liebert ,  Neil H. Brown

IPC分类号： A61M5/178 ,  A61M5/145 ,  A61M5/31 ,  A61M5/315

CPC分类号： A61M5/14546 ,  A61M5/31511 ,  A61M2005/3112 ,  A61M5/14566

摘要： A self-aspirating plunger for power injector cartridges characterized by its ability to pump head space gas and aspirate the power injector cartridge without the need to draw backward on the plunger toward the proximal end of the cartride comprising:a female ring component;a male component having a stem and a cone-shaped portion, said stem slideably fitting into said female ring component; andan elastomeric diaphragm shell covering said female ring component and said cone shaped head portion of said male component.

摘要翻译： 一种用于动力注射器筒的自吸式柱塞，其特征在于，其能够泵送顶部空间气体并抽吸动力注射器筒，而不需要在柱塞上向后朝向底板的近端向后拉动，包括：阴环部件; 具有杆和锥形部分的阳部件，所述杆部可滑动地装配到所述阴环部件中; 以及覆盖所述阴环部件和所述阳部件的所述锥形头部的弹性体膜片壳体。

公开(公告)号：US3766918A

公开(公告)日：1973-10-23

申请号：US3766918D

申请日：1971-09-07

申请人： KESSEL J

发明人： KESSEL J

IPC分类号： A61M5/31 ,  A61M5/315 ,  A61M5/22 ,  A61M1/00

CPC分类号： A61M5/31511 ,  A61M2005/3112 ,  Y10S604/90

摘要： A self-aspirating hypodermic ampule which incorporates a piston capable of limited resilient movement when a force is manually applied to effect a hypodermic injection so that, when the force is subsequently released, the piston retracts sufficiently to cause a back flow or aspirating flow through the needle into the ampule for blood detection; the piston including radial flanges the axial sides of which converge to permit resiliant distortion and axial displacement of the central portion of the piston before sliding movement of the piston relative to the surrounding walls of the ampule; the piston also being arranged for insertion in the ampule, either end forward and its ends being shaped to minimize gas entrapment thereby maximizing the effect of its aspirating movement.

摘要翻译： 一种自吸式皮下注射安瓿，其结合了当手动施加力以有效地进行皮下注射时能够有限弹性运动的活塞，使得当力随后释放时，活塞足够缩回以引起回流或抽吸流过 针头进入安瓿进行血液检测; 该活塞包括径向凸缘，其轴向侧会在活塞相对于安瓿的周围壁滑动运动之前会聚，从而允许活塞的中心部分的棘轮变形和轴向位移; 活塞还被布置成用于插入安瓿中，两端的前端和端部成形为使气体截留最小化，从而使其吸气运动的效果最大化。

公开(公告)号：US3583399A

公开(公告)日：1971-06-08

申请号：US3583399D

申请日：1969-08-29

申请人： ASTRA CHEM LTD

发明人： RITSKY ANTHONY F

IPC分类号： A61M5/24 ,  A61M5/31 ,  A61J1/06

CPC分类号： A61M5/24 ,  A61M5/3148 ,  A61M2005/2414 ,  A61M2005/2437 ,  A61M2005/247 ,  A61M2005/2477 ,  A61M2005/3112 ,  Y10S604/90

摘要： A hypodermic syringe for medical, dental, or veterinary use employing cartridge ampuls of injectable fluid arranged to be automatically self-aspirating. A resilient membrane is deflected at the forward end of the ampul rearwardly of the ampul each time the syringe plunger is actuated, so that upon release of the plunger the membrane is automatically resiliently restored to its normal position thereby producing conditions of reduced pressure or aspiration within the ampul. The membrane is deflected on a stud positioned at the forward end of the ampul-receiving cavity in the syringe, or on a movable flanged tubular element on the ampul adjacent the membrane and projecting forwardly of the ampul.