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    • 1. 发明申请
    • Multi-chamber, sequential dose dispensing syringe
    • 多室,顺序剂量分配注射器
    • US20050245880A1
    • 2005-11-03
    • US10838101
    • 2004-05-03
    • Michael HowlettJames MercerGale ThorneGale Thorne
    • Michael HowlettJames MercerGale ThorneGale Thorne
    • A61M5/28A61M5/31A61M5/315
    • A61M5/285A61M5/284A61M5/286A61M5/31596A61M2005/1787A61M2005/3128
    • A valve assembly is disclosed which effectively partitions a syringe into proximal and distal chambers to provide a multi-chamber, sequentially dispensing syringe apparatus. The valve assembly may be effectively used with a variety of standard, currently available commercial syringes and pre-filled syringes. Incorporated in the valve assembly is a valved stopper having a valve (which may be a slit valve), an impact sensor which opens the valve upon impact between the valve assembly and internal distal end of the syringe and a gas separator which separates liquid from gas disposed in the proximal chamber to assure gas is not delivered therefrom. The valve assembly is displaced as a plunger of the syringe is displaced via communication through fluid in the proximal chamber of the syringe. The actuator has a latching feature which latches the valve to an open state after being opened by the impact sensor. The gas separator has a proximally disposed orifice which facilitates priming. The valve assembly may be made from two parts. One part, a valved stopper, may be molded from the same rubber based material used in syringe plunger stoppers. The second part, the valve actuator, may be injection molded as a single part. A synthetic resinous material which is compatible with manufacture of living hinges my be used for the second part. Multiple valve assemblies may be used in a single syringe barrel.
    • 公开了一种阀组件,其有效地将注射器分隔成近端和远端腔室,以提供多腔顺序分配的注射器装置。 阀组件可以与各种标准的,当前可用的商业注射器和预装的注射器有效地一起使用。 结合在阀组件中的是具有阀(其可以是狭缝阀)的阀止动器,在阀组件和注射器的内部远端之间碰撞时打开阀的冲击传感器以及将液体与气体分离的气体分离器 设置在近侧室中以确保气体不从其中传出。 当注射器的柱塞通过注射器的近侧室中的流体的连通通过位移时,阀组件被移位。 致动器具有闩锁特征,其在被冲击传感器打开之后将阀锁定到打开状态。 气体分离器具有近端设置的孔口,其有利于起动。 阀组件可以由两部分制成。 一个部件,一个带阀的止动器,可以由注射器柱塞塞中使用的相同的橡胶基材料模制。 第二部分,阀门致动器可以注射成型为单一部件。 与生产铰链制造兼容的合成树脂材料可用于第二部分。 多个阀组件可用于单个注射器筒中。
    • 2. 发明申请
    • Guide-wire steered variable incision width safety scalpel
    • 导丝转向可变切口宽度安全解剖刀
    • US20050177183A1
    • 2005-08-11
    • US10774929
    • 2004-02-09
    • Gale ThorneMichael HowlettJames Mercer
    • Gale ThorneMichael HowlettJames Mercer
    • A61B17/32A61B17/34A61B17/14
    • A61B17/32A61B17/34A61B17/3494A61B2017/320052A61B2017/32113
    • A variety of embodiments of a variable incision width guide-wire steered scalpel are disclosed. Each embodiment employs a split blade which is proximally hinged, thereby facilitating making a variable width incision of a predetermined, substantially constant depth. Methods of preselecting an incision width are disclosed. Also, a plurality of embodiments of such a scalpel which may be used to provide an incision of preselected depth, as well, are disclosed. Notably, once a depth has been predetermined, that depth is kept substantially constant over the width of a resulting incision. While a wire may be threaded through the scalpel as a guide, the scalpel may be used for other incision applications without a guide-wire. The scalpel has safety features which generally follow the steps of piercing to make an incision of predetermined depth, transversely opening the split blade to widen the incision to a predetermined width, closing split blade and retracting the blade into a protective housing. In some embodiments, the retracting step precedes the closing step.
    • 公开了可变切口宽度导丝转向手术刀的各种实施例。 每个实施例采用近侧铰接的分割叶片,从而有助于形成预定的,基本恒定的深度的可变宽度切口。 公开了预选切口宽度的方法。 此外,还公开了可用于提供预选深度切口的这种解剖刀的多个实施例。 值得注意的是,一旦已经预定了深度,则在所得切口的宽度上该深度保持基本恒定。 当导线可以穿过手术刀作为引导件时,解剖刀可以用于没有导丝的其他切口应用。 手术刀具有通常遵循穿刺步骤以形成预定深度的切口,横向打开分割刀片以将切口加宽到预定宽度,闭合分割刀片并将刀片收回到保护壳体中的安全特征。 在一些实施例中,缩回步骤在关闭步骤之前。
    • 3. 发明申请
    • Syringe drive system
    • 注射器驱动系统
    • US20060173439A1
    • 2006-08-03
    • US11037900
    • 2005-01-18
    • Gale ThorneGale ThorneMichael Howlett
    • Gale ThorneGale ThorneMichael Howlett
    • A61M37/00A61M31/00
    • A61M5/1454A61M5/14244A61M5/1456A61M2205/502
    • A syringe driver or pump system based upon a syringe stem and associated assembly having a spiral threaded pattern along the outer surface of the stem, a collet-button which is displaceable along the stem assembly (as a nut is displaced along a bolt) and a spring. All are disposed to provide a cam action, translating rotary activity of the collet-button, which tends to be displaced to compress the spring when rotated, to linear displacement as the force of energy is released from the spring when compressed. Thus, force available for driving effluent fluid flow from the syringe is limited by the energy available from the spring, rather than force and energy which might be directly applied to otherwise displace the syringe stem assembly and collet-button. A digitally activated syringe driver and an electrical motor activated driver is disclosed. A number of electronic control systems for the motor are also disclosed.
    • 基于注射器杆和相关组件的注射器驱动器或泵系统,其具有沿着杆的外表面的螺旋形螺纹图案,可沿着杆组件(当螺母沿螺栓移位时)可移位的夹头 - 弹簧。 所有这些都设置成提供凸轮动作,平移当夹紧弹簧的旋转活动时,当压缩时力量的力从弹簧释放时,夹头按钮的旋转活动倾向于在旋转时将弹簧压缩到线性位移。 因此,可用于驱动来自注射器的流出物流体流动的力受到来自弹簧的可用能量的限制,而不是可能直接施加以另外替代注射器杆组件和夹头按钮的力和能量。 公开了一种数字激活的注射器驱动器和电动机激活的驱动器。 还公开了一些用于电动机的电子控制系统。