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    • 51. 发明授权
    • Medical instruments and techniques for treating pulmonary disorders
    • 用于治疗肺部疾病的医疗仪器和技术
    • US08187269B2
    • 2012-05-29
    • US12947228
    • 2010-11-16
    • John H. ShadduckMichael Hoey
    • John H. ShadduckMichael Hoey
    • A61B18/18
    • A61B18/04A61B17/32037A61B2017/00809A61B2018/00315A61B2018/048
    • A surgical instrument for delivering energy to lung tissue, for example to cause lung volume reduction. In one embodiment, an elongated catheter has a handle portion that includes an interior chamber that is supplied with a biocompatible liquid media under pressure. An energy source delivers energy to the media to cause a liquid-to-vapor phase change within the interior chamber and ejects a flow of vapor media from the working end of the catheter. The delivery of energy and the flow of vapor are controlled by a computer controller to cause a selected pressure and selected volume of vapor to propagate to the extremities of the airways. Contemporaneously, the vapor undergoes a vapor-to-liquid phase transition which delivers large amount of energy to the airway tissue. The thermal energy delivered is equivalent to the heat of vaporization of the fluid media, which shrinks and collapses the treated airways. The treated tissue is the maintained in a collapsed state by means of aspiration for a short interval to enhance tissue remodeling. Thereafter, the patient's wound healing response causes fibrosis and further remodeling to cause permanent lung volume reduction.
    • 用于向肺组织递送能量的手术器械,例如以减少肺容积。 在一个实施例中,细长导管具有手柄部分,该手柄部分包括在压力下供应生物相容性液体介质的内部腔室。 能量源将能量传递到介质以在内部室内引起液体 - 气相变化,并从导管的工作端喷出蒸气介质流。 能量的传递和蒸气的流动由计算机控制器控制,以使所选压力和选定体积的蒸气传播到气道的末端。 同时,蒸气经历气 - 液相转移,其向气道组织输送大量的能量。 传递的热能相当于流体介质的蒸发热量,这会使经过处理的气道收缩和收缩。 经处理的组织通过抽吸短时间保持在折叠状态以增强组织重塑。 此后,患者的伤口愈合反应引起纤维化并进一步重塑以造成永久肺容积减少。
    • 54. 发明授权
    • Surgical sealing surfaces and methods of use
    • 手术密封面及使用方法
    • US08075555B2
    • 2011-12-13
    • US11681740
    • 2007-03-02
    • Csaba TruckaiJohn H. Shadduck
    • Csaba TruckaiJohn H. Shadduck
    • A61B18/18H01C7/10H05B3/42
    • A61B18/14A61B18/1442A61B2018/0063
    • Various embodiments provide compositions that exhibit positive temperature coefficient of resistance (PTCR) properties for use in thermal interactions with tissue—including thermal sensing and I2R current-limiting interactions. Embodiments also provide tissue-engaging surfaces having PTCR materials that provide very fast switching times between low resistance and high, current-limiting resistance. One embodiment provides a matrix for an electrosurgical energy delivery surface comprising a PTCR material and a heat exchange material disposed within an interior of the matrix. The PTCR material has a substantially conductive state and a substantially non-conductive state. The heat exchange material has a structure configured to have an omni-directional thermal diffusivity for exchanging heat with the PTCR material to cause rapid switching of the PTCR material between the conductive state and non-conductive state. Preferably, the structure comprises a graphite foam having an open cell configuration. The matrix can be carried by tissue contacting surfaces of various electrosurgical devices.
    • 各种实施方案提供了组合物,其表现出与包含组织的热感测和I2R限流相互作用的热相互作用中的正电温度系数(PTCR)性质。 实施例还提供具有PTCR材料的组织接合表面,其在低电阻和高电流限制电阻之间提供非常快的开关时间。 一个实施例提供了一种用于电外科能量输送表面的基质,其包含PTCR材料和设置在基质内部的热交换材料。 PTCR材料具有基本上导电的状态和基本上不导电的状态。 热交换材料具有被配置为具有用于与PTCR材料进行热交换的全向热扩散性以使PTCR材料在导电状态和非导电状态之间快速切换的结构。 优选地,该结构包括具有开孔构造的石墨泡沫。 基质可以由各种电外科装置的组织接触表面携带。
    • 55. 发明授权
    • Instruments and techniques for controlled removal of epidermal layers
    • 用于控制去除表皮层的仪器和技术
    • US08066716B2
    • 2011-11-29
    • US11417709
    • 2006-05-03
    • John H. Shadduck
    • John H. Shadduck
    • A61B17/50A61M35/00
    • A61B17/545A61B17/50A61B17/54A61B2017/00761A61B2017/320004A61B2217/005A61B2217/007A61M1/0064A61M35/00
    • An instrument and technique for the removal of epidermal layers in a controlled manner utilizing a hand-held instrument with a working end that (i) a vacuum aspiration system, (ii) a source for delivery of a sterile fluids or pharmacological agents to the skin; and (iii) a skin interface surface in the working end that has specially shape structure for abrading surface layers of the patient's epidermis as the working end is moved over the patient's skin while at the same time causing rapid penetration of the fluids into the skin for therapeutic purposes. Movement of the working end across the skin causes abrasion of the surface layers in a path over the patient's skin. The method of the invention may be used in a periodic treatment for the removal of superficial skin layers that enhances the synthesis of dermal collagen aggregates by inducing the body's natural wound healing response. The method of the invention creates more normal dermal architectures in skin with limited depths of skin removal by the series of superficial treatments that may be comparable to the extent of neocollagenesis caused by a deep skin removal treatment (e.g., CO2 laser skin removal).
    • 一种利用具有工作端的手持式仪器以受控方式去除表皮层的仪器和技术,该工具包括(i)真空抽吸系统,(ii)用于将无菌流体或药物剂递送至皮肤的源 ; 和(iii)工作端中的皮肤界面表面,其具有特殊的形状结构,用于当工作端移动到患者皮肤上同时使流体快速渗透到皮肤中时,用于研磨患者表皮的表面层 治疗目的。 穿过皮肤的工作端的移动导致患者皮肤上的路径中的表面层的磨损。 本发明的方法可用于周期性治疗以通过诱导人体的自然伤口愈合反应来去除表皮层,从而增强真皮胶原聚集体的合成。 本发明的方法在皮肤中产生更正常的皮肤结构,通过一系列表皮处理有限的皮肤去除深度,其可以与由深层皮肤去除处理(例如,CO2激光皮肤去除)引起的新胶原形成的程度相当。
    • 57. 发明申请
    • Accommodating Intraocular Lens
    • 容纳人工晶状体
    • US20100228344A1
    • 2010-09-09
    • US12782644
    • 2010-05-18
    • John H. Shadduck
    • John H. Shadduck
    • A61F2/16
    • A61F2/1635A61F2/1601A61F2/1624A61F2/1648A61F2/1694A61F2002/1682A61F2002/16901A61F2210/0014A61F2250/0003A61F2310/00023
    • A deformable intracapsular implant device for shaping an enucleated lens capsule sac for use in cataract procedures and refractive lensectomy procedures. In one embodiment, the intraocular implant devices rely on thin film shape memory alloys and combine with the post-phaco capsular sac to provide a biomimetic complex that can mimic the energy-absorbing and energy-releasing characteristics of a young accommodative lens capsule. In another embodiment, the capsular shaping body is combined with an adaptive optic. The peripheral capsular shaping body carries at least one fluid-filled interior chamber that communicates with a space in a adaptive optic portion that has a deformable lens surface. The flexing of the peripheral shaping body in response to zonular tensioning and de-tensioning provides an inventive adaptive optics mechanism wherein fluid media flows between the respective chambers “adapts” the optic to increase and decrease the power thereof. In one embodiment, the capsular shaping body carries a posterior negative power adaptive optic that can be altered in power during accommodation to cooperate with an independent drop-in exchangeable intraocular lens.
    • 一种可变形的囊内植入装置,用于成形用于白内障手术和折射镜片切除术程序的去核晶状体囊囊。 在一个实施例中,眼内植入装置依赖于薄膜形状记忆合金并与后囊膜囊囊组合以提供可模仿年轻调节性晶状体囊的能量吸收和释放能量的仿生复合物。 在另一个实施例中,囊状成形体与自适应光学元件组合。 周边胶囊成形体携带至少一个流体填充的内部室,其与具有可变形透镜表面的自适应光学部分中的空间连通。 外围成形体响应于zonular张力和张力的弯曲提供了本发明的自适应光学机构,其中流体介质在各个腔室之间流动“适配”光学元件以增加和减小其功率。 在一个实施例中,囊状成形体携带后负电力自适应光学器件,其在调节期间可以改变功率,以与独立的可插入的可交换眼内透镜协作。