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PCT No. PCT / DE97 / 00910 Sec. 371 Date May 13, 1999 Sec. 102(e) Date May 13, 1999 PCT Filed May 7, 1997 PCT Pub. No. WO97 / 41783 PCT Pub. Date Nov. 13, 1997What is described here is an instrument having a shaft element carrying an engaging element disposed on the distal end thereof, which is operated via a proximally disposed actuator element which is integrated into a handle for being mobile in such a way that the angle enclosed by the axis of said handle and by the axis of said shaft element may be varied. The invention is characterized by the provision that the handle is connected to the shaft element via a universal joint.

A method of forming a metal layer having excellent thermal and oxidation resistant characteristics using atomic layer deposition is provided. The metal layer includes a reactive metal (A), an element (B) for the amorphous combination between the reactive metal (A) and nitrogen (N), and nitrogen (N). The reactive metal (A) may be titanium (Ti), tantalum (Ta), tungsten (W), zirconium (Zr), hafnium (Hf), molybdenum (Mo) or niobium (Nb). The amorphous combination element (B) may be aluminum (Al), silicon (Si) or boron (B). The metal layer is formed by alternately injecting pulsed source gases for the elements (A, B and N) into a chamber according to atomic layer deposition to thereby alternately stack atomic layers. Accordingly, the composition ratio of a nitrogen compound (A-B-N) of the metal layer can be desirably adjusted just by appropriately determining the number of injection pulses of each source gas. According to the composition ratio, a desirable electrical conductivity and resistance of the metal layer can be accurately obtained. The atomic layers are individually deposited, thereby realizing excellent step coverage even in a complex and compact region. A metal layer formed by atomic layer deposition can be employed as a barrier metal layer, a lower electrode or an upper electrode in a semiconductor device.

The invention provides robotic surgical systems which allow selectable independent repositioning of an input handle of a master controller and / or a surgical end effector without corresponding movement of the other. In some embodiments, independent repositioning is limited to translational degrees of freedom. In other embodiments, the system provides an input device adjacent a manipulator supporting the surgical instrument so that an assistant can reposition the instrument at the patient's side.

A highly phased power regulation (converter) system having an improved control feature is provided. A controller, such as a digital signal processor or microprocessor, receives digital information from a plurality of power conversion blocks and transmits control commands in response to the information. The controller is able to change the mode of operation of the system and / or re-phase the power blocks to accommodate a dynamic load requirement, occasions of high transient response or detection of a fault. A compensation block within the controller is used to regulate the output voltage and provide stability to the system. In one embodiment, the controller is implemented as a PID compensator controller. In another embodiment, a microprocessor is able to receive feedback on its own operation thus providing enabling the controller to anticipate and predict conditions by analyzing precursor data.

The invention relates to a fiber strand (10) for an implantable supporting body (100) comprising at least two individual fibers (12). The at least two individual fibers (12) are each shorter in their longitudinal extent than the longitudinal extent (14) of the fiber strand, and in their transverse extent they are each thinner than the transverse extent (16) of the fiber strand.

A display including a current drive circuit capable of supplying a desired current to a light-emitting element in each pixel stably and accurately irrespective of the characteristic variations of active elements in the pixel, thereby providing a high-definition image. Each pixel is composed of a receiving transistor (TFT3) for receiving a signal current (1w) from a data ine (data) when a scanning line (scanA) is selected, a converting transistor (TFT1) for converting the current level of the received signal current (1w) to a voltage level and holding the voltage level, and a driving transistor (TFT3) for allowing a drive current having a current level corresponding to the held voltage level to flow through light-emitting element (OLED). The converting thin film transistor (TFT1) generates the converted voltage level at its gate by allowing the signal current (Iw) through its channel, and a capacitor (C) holds the voltage level at the gate of the transistor (TFT1). The transistor (TFT2) allows the drive current having a current level corresponding to the voltage level held by the capacitor (C) to flow through the light-emitting element (OLED).

The present invention addresses the problem of providing illumination in a manner that is energy efficient and intelligent. In particular, the present invention uses distributed processing across a network of illuminators to control the illumination for a given environment. The network controls the illumination level and pattern in response to light, sound, and motion. The network may also be trained according to uploaded software behavior modules, and subsets of the network may be organized into groups for illumination control and maintenance reporting.

A tissue ablation catheter for forming a lesion along a substantially circumferential region of tissue is described. The catheter includes one or more sensors for monitoring the temperature of the tissue being ablated. The temperature sensors are mounted on the interior or exterior of an expandable member that is affixed to a shaft of the catheter.

The invention provides robotic surgical systems which allow selectable independent repositioning of an input handle of a master controller and / or a surgical end effector without corresponding movement of the other. In some embodiments, independent repositioning is limited to translational degrees of freedom. In other embodiments, the system provides an input device adjacent a manipulator supporting the surgical instrument so that an assistant can reposition the instrument at the patient's side.

The invention relates to: A medication delivery device and a method of making such a device. The object of the present invention is to provide a handy medication delivery device that may be easily adjusted to the different needs of a given user in different situations and to the different needs of different users, and which is economic from a production point of view. The problem is solved in that it comprises a basis module (1) and one or more replaceable modules (2, 3, 4, 5, 6), each of which is adapted to cooperate mechanically and / or electronically with the basis module to provide a specific function, and the basis module includes resources that are jointly used by the replaceable modules. This has the advantage of providing a rational concept for economically supplying high quality, mass-produced devices capable of being customized to individual users' needs for functionality by avoiding the duplication of key components. The invention may be used in injector type, medication pump type, inhaler or spray type devices for delivering a discrete dose or a continuous dose of a medication to a user.

Molecular cross-linked gels comprise a variety of biologic and non-biologic polymers, such as proteins, polysaccharides, and synthetic polymers. Such molecular gels may be applied to target sites in a patient's body by extruding the gel through an orifice at the target site. Alternatively, the gels may be mechanically disrupted and used in implantable articles, such as breast implants. When used in vivo, the compositions are useful for inhibiting post-surgical spinal and other tissue adhesions, for filling tissue divots, tissue tracts, body cavities, surgical defects, and the like.

A method of detecting a lane change of a subject vehicle (20), having a locating device (10) which uses angular resolution for locating vehicles (VEH1, VEH2, VEH3) traveling in front, and a device (44) for determining the yaw rate (ω0) of the subject vehicle. The angular velocity (ωi) of at least one vehicle traveling in front relative to the subject vehicle (20) is measured using the locating device (10), and a lane change signal (LC) indicating the lane change is formed by comparing the measured angular velocity (ωi) to the yaw rate (ω0) of the subject vehicle.

A suture lock utilizes a first engaging element and a second engaging element to define a non-through bore capture zone. Each of the engaging elements possesses a surface including at least one mating element that corresponds to a mating element on a surface of the opposing engaging element. When engaged across suture segments, the mating elements apply a frictional holding force to the suture segments. The frictional holding force secures the suture along the length of the suture in the capture zone between the mating elements.

An exposure apparatus performs exposure for a substrate by filling a space between a projection optical system and the substrate with a liquid and projecting an image of a pattern onto the substrate through the liquid by using the projection optical system. The exposure apparatus includes a substrate stage for holding the substrate, a liquid supply unit for supplying the liquid to a side of an image plane of the projection optical system, and a focus / leveling-detecting system for detecting surface information about a surface of the substrate not through the liquid. The exposure apparatus performs liquid immersion exposure for the substrate while adjusting a positional relationship between the surface of the substrate and the image plane formed through the projection optical system and the liquid, on the basis of the surface information detected by the focus / leveling-detecting system. The liquid immersion exposure can be performed at a satisfactory pattern transfer accuracy.

The invention discloses a chaotic stirring control system based on ARM single chip chaotic mapping control. The system comprises an ARM single chip which is connected and communicated with an input device, a drive chip and an AD (analog to digital) conversion chip respectively; the drive chip is connected with an H bridge drive circuit, the H bridge drive circuit is connected with a direct current motor, the direct current motor is connected with a chaotic stirring system, a sensor which monitors the rotating speed and a current signal of the direct current motor is arranged on the direct current motor, and the sensor is connected with the AD conversion chip. The system adopts a full digit circuit, has good stability and high reliability, can accurately control and conveniently adjust the rotating speed of the motor, is wide in application range, and can meet requirements of different stirring parameters under various work conditions.

A camera acquires a 4D light field of a scene. The camera includes a lens and sensor. A mask is arranged in a straight optical path between the lens and the sensor. The mask including an attenuation pattern to spatially modulate the 4D light field acquired of the scene by the sensor. The pattern has a low spatial frequency when the mask is arranged near the lens, and a high spatial frequency when the mask is arranged near the sensor.

Multimedia conferencing software and computing devices allow the appearance of a video image of a conference participant to be adjusted in dependence on a level of activity associated with the conference participant. In this way, video images of more active participants may be given greater prominence. An end-user participating in the conference may focus attention on the more active participants.

Disclosed herein are modular spinal implants having components which are interlocked together to form a single implant. Specifically exemplified herein are implants that are sectioned along a longitudinal plane. Implants are disclosed which include channels for inter-fragmentary association with an elongate bone screw and which allow for angular variability of the screw relative to the channel. Also disclosed is an anti-backout mechanism that helps prevent fixators from backing out upon securement of the implant in the spine. Kits comprising different sizes and inclination angles of components are disclosed, which can assist the surgeon in preoperatively assembling an implant to best fit in the surgical site of the patient.

The present invention relates to wireless networks using relaying. In the method according to the present invention of performing communication in a two-hop wireless communication network, a transmitter 210, a receiver 220 and at least one relay station 215 are engaged in a communication session. The relay station 215 forwards signals from a first link between the transmitter 210 and the relay station 215 to a second link between the relay stations 215 and the receiver 220. The forwarding performed by the at least one relay station 215 is adapted as a response to estimated radio channel characteristics of at least the first link. Preferably the forwarding is adapted as a response to estimated radio channel characteristics of both the first and second link.

A method and device is provided, including implanting, at an intraventricular site of a ventricle of a patient, a spool coupled to a first end portion of a longitudinal member, and coupling a second end portion of the longitudinal member to a portion of tissue facing a lumen of the ventricle. Other embodiments are also described.

A golf club comprising a head having a series of tracks forming a three-dimensional pattern along a surface of the head; a plurality of weights for positioning along the channels; and a mechanism for securing the weights at arbitrary positions along the channels so as to customize at least one of center of gravity and moment of inertia of the head. The channels can all interconnect with one another to allow a weight to be moved from one to another. The golf club can further comprising a removable cover for at least a portion of the surface, the cover being for covering the channels and the weights positioned along the channels. The weights can comprise a spherical member disposed in a channel; an external member having a portion external to a surface of the head; and a coupling between the spherical member and the external member to allow the spherical member and the external member to securely capture between them a wall in which a track is formed. The channels may be in the removable cover, or below the removable cover, in the head.

A method, terminal device, network element, system and computer program product for controlling discontinuous reception or transmission at a terminal device of a communication network are disclosed. A regular discontinuous reception or transmission cycle of a regular discontinuous reception or transmission scheme is set by using a first control layer, and in addition thereto a shorter temporary discontinuous reception or transmission cycle of an interim discontinuous reception or transmission scheme can be set by using a second control layer. This arrangement provides long discontinuous reception or transmission cycles for power consumption improvements while at the same time ensuring that the network can easily and flexibly shorten these cycles for increased data throughput, if needed.

Apparatus is provided that includes an implant structure, which includes a contracting mechanism, which includes a rotatable structure, arranged such that rotation of the rotatable structure contracts the implant structure. A longitudinal member is coupled to the contracting mechanism. A tool for rotating the rotatable structure is configured to be guided along the longitudinal member, to engage the rotatable structure, and to rotate the rotatable structure in response to a rotational force applied to the tool. Other embodiments are also described.

In one embodiment, a method of forming a multijunction solar cell having lattice mismatched layers and lattice-matched layers comprises growing a top subcell having a first band gap over a growth semiconductor substrate. A middle subcell having a second band gap is grown over the top subcell, and a lower subcell having a third band gap is grown over the middle subcell. The lower subcell is substantially lattice-mismatched with respect to the growth semiconductor substrate. The first band gap of the top subcell is larger than the second band gap of the middle subcell. The second band gap of the middle subcell is larger than the third band gap of the lower subcell. A support substrate is formed over the lower subcell, and the growth semiconductor substrate is removed. In various embodiments, the multijunction solar cell may further comprise additional lower subcells. A parting layer may also be provided between the growth substrate and the top subcell in certain embodiments. Embodiments of this reverse process permit the top and middle subcells to have high performance by having atomic lattice spacing closely matched to that of the growth substrate. Lower subcells can be included with appropriate band gap, but with lattice spacing mismatched to the other subcells. The reduced performance caused by strain resulting from mismatch can be mitigated without reducing the performance of the upper subcells.

An orthopedic flip-wing tissue retainer (2) comprises a flip-wing (7), tissue-retaining means (8) and a joint formed between the flip-wing (7) and the tissue-retaining means (8). The tissue retainer (2) is easily installed and used to anchor a biological tissue. The tissue retainer (2) can be used in combination with other devices to replace or repair a ligament or tendon in a joint. In particular, when used for ligament replacement, the tissue retainer (2) eliminates or at least minimizes the twisting that typically occurs during conventional surgery. In addition, the tension of the ligament graft can be precisely adjusted by using a tension-adjusting device (3 or 203) in combination with the flip-wing tissue retainer (2). The tension-adjusting device (203) can include a ball (204)-and-socket (205) joint.

A device for correcting and stabilizing a curvature of a spinal column by anterior fusion including at least two brace holders (1-5), each adapted to be arranged against an associated vertebral body (7-11) in the spinal column. The device also includes a securing means (6, 6') for securing the respective brace holders (1-5) on said vertebral body (7-11), and at least one elongate brace (12), which is adapted to extend through and between said brace holders (1-5) along the extent of the spinal column and be locked thereto. The brace (12) is plate-shaped, and the brace holder (1-5) is designed to support the brace (12) in such a manner that a first flat side of the brace (12) faces the abutment surface of the brace holder (1-5) on said vertebral body (7-11), whereby the brace (12) is deformable in only one geometric plane during mounting in the brace holder (1-5) and during correction. In a method for contacting and stabilizing the curvature, the brace (12) is arranged to extend through the brace holders (1-5), such that the brace (12) is deformed to substantially follow the curvature. The brace is locked in at least one first brace holder (1), whereupon the spinal column, vertebra by vertebra, is corrected while the brace (12) is gradually clamped and locked in the brace holders (1-5).

The present invention relates to an integrated sleep diagnosis and treatment device, and more particularly to an integrated apnea diagnosis and treatment device. The present invention additionally relates to methods of sleep diagnosis and treatment. The sleep disorder treatment system of the present invention can use a diagnosis device to perform various forms of analysis to determine or diagnose a subject's sleeping disorder or symptoms of a subject's sleep disorder, and using this analysis or diagnosis can with or in some embodiments without human intervention treat the subject either physically or chemically to improve the sleeping disorder or the symptoms of the sleeping disorder. The diagnostic part of the system can use many different types of sensors and methods for diagnosing the severity of the symptoms of or the sleep disorder itself. The treatment part of the system can use a device to physically or chemically treat the subject's symptoms or sleep disorder itself.

An implant insertion apparatus for guiding surgical instrumentation and facilitating insertion of surgical implants into an intervertebral space includes an adjustable element defining a longitudinal passageway dimensioned to guide the surgical instrumentation inserted through the longitudinal passageway. The adjustable element has an elongate body and an extended body that are movable relative to one another for varying the length of the adjustable element. The apparatus also includes an engaging element insertable into the intervertebral space between adjacent vertebrae. The engaging element is releasably secured to a distal end of the elongate body.