73 results about "Left sided" patented technology

A system and method are provided for developing a database of body surface ECG P-wave maps for classification and localization of left-sided atrial arrhythmias. The system and method include generating and receiving P-wave data in a subject by left atrial pacing or receiving P-wave data in a subject during spontaneously occurring or induced left atrial arrhythmias; computing (e.g. potential or integral) maps of the P-wave data; classifying the maps specific to a left atrial ectopic origin; verifying the classification procedure; averaging the classified maps into mean maps; and storing and accessing the mean maps in the database. The mean maps of the P-wave data in the database can be used to automatically classify and localize P-wave data from a patient obtained during a left atrial arrhythmia such as atrial tachycardia, focal atrial fibrillation, or orthodromic atrioventricular reentrant tachycardia.

A computer based ablation interface system provides useful information for monitoring catheter ablations, especially left sided ablations for atrial fibrillation. Such a system provides added safety, by providing useful information during the ablation procedure. The system comprises a computer, specialized software, analog and digital input / output board, transducer, and display. The information displayed includes both electrical parameters and physiological parameters. In one aspect of the invention alarms and indicators are displayed on the screen for highlighting certain events to the physicians, for guiding them through the ablation procedure. In another aspect of the invention, the system comprises circuitry for automatically switching the ablation circuit off, based on pre-determined events.

Vitamin K is effective in counteracting cardiovascular disorders such as the reduction in arterial elasticity normally associated with the aging process. A pharmaceutical composition or nutritional formulation comprising vitamin K can be used to combat age-related stiffening of the arteries, and the consequences thereof, namely pulmonary congestion, hypertension, left ventricular hypertrophy, congestive (right sided) heart failure, left sided or left ventricular failure, chronic cardiac failure, angina pectoris, myocardial infarction, Mönckeberg's sclerosis and stroke. In various embodiments, vitamin K can also be used to reduce or reverse calcification of a blood vessel in pre-existing cardiovascular disorders such as arteriosclerosis.

The invention discloses a swing type concrete block crushing and mixing device, which comprises a bottom plate, a side plate, a top plate and a mixing drum. Double-sided rack and right double-sided rack, the mixing drum is provided with a rotating shaft coaxial with it, the top of the rotating shaft is provided with a left gear, the left gear meshes with the left double-sided rack, and the mixing drum A sieve plate is installed inside, and the sieve plate divides the mixing drum into a crushing chamber and a mixing chamber. A crushing rod is arranged on the shaft section of the rotating shaft in the crushing chamber and on the side wall of the crushing chamber, and a crushing rod is arranged on the crushing rod. The blade is provided with a mixing rod at the bottom of the rotating shaft in the mixing chamber. The invention has the advantages of simple structure, continuous crushing and mixing of concrete blocks, improved working efficiency, sufficient and uniform crushing and mixing, high mixing and crushing efficiency, simple operation and strong practicability.

A power ring device that includes: a ring conductor; a plurality of controllers, each controller being connected to the ring conductor and includes a first control unit; a plurality of paired pick ups, wherein each pair connects either an electrical consumer device or an electrical power supply to the ring conductor and to one of the plurality of controllers, wherein a first pair of pick ups of a first controller is connected to a first power supply; and a plurality of current sensor signal lines connecting each control unit to form a data connection; wherein each controller has a right and left side, a right sided and left sided switch elements; and a right sided and left sided current sensors connected so that a first current value measured by the left sided current sensor of the first controller is transmitted as data to the first control unit of a second controller.

A universal surgical plate comprises a symmetrical design which enables it to be used for both right and left sided TPLO procedures as well as other orthopedic procedures on other bilaterally symmetric bones. The plate provides a 30 degree angle compression force with respect to the longitudinal axis of the plate in order to ensure maximum compression across an osteotomy or fracture. The plate is affixed across the osteotomy or fracture with orthopedic screws disposed through a plurality of elongated and circular drive apertures. The drive apertures are defined within the plate at sufficient distances to preserve the integrity of the underlying bone. The body of the plate also comprises a plurality of notches for improving periosteal circulation. The head of the plate includes a pair of recessed corners so that the plate may be implanted close to an assisting jig pin on smaller breeds of canines.

Semi-rigid stylets configured with a particular curve shaped and handle design to accurately advance either left-sided or right-sided double lumen endotracheal tubes to be positioned in the appropriate place are described. The semi-rigid stylets have a distal bend to counter or compensate for the inherent curvature of double lumen tubes imparted by the memory of spooled tubing stocks. Other embodiments of the semi-rigid stylets are made of materials that establish only those forces sufficient to cause the necessary bending to route a bronchial cuff to a desired lung location without causing substantial tissue injury. The semi-rigid stylets are also fitted with a curved handle configured to engage a user's thumb for easy manipulation and includes a locking component to engage a nearby tracheal tube extension to stabilize endotracheal tube shapes for insertion into the trachea and bronchial regions.

A shooting mode switch control mechanism used in a nail gun is disclosed to include a trigger, a lever function stop member pivotally mounted in the trigger, a spring member stopped against the stop member and a switch pivotally mounted in the trigger. The spring member and the switch are arranged at two sides relative to the pivoted area of the stop member so that when the switch is in the single-shooting position and the trigger is released, the second end portion of the stop member is forced by the spring member into the moving path of the safety bar and pushable by the safety bar for enabling the stop member to activate the air-valve switch once each time the trigger is pressed. When the switch is in the continuous-shooting position, the first end portion of the stop member is stopped against the switch for enabling the second end portion of the stop member to be continuously pushed by the safety bar to activate the air-valve switch continuously. By means of using the stop member to match with the left-sided switch and the right-sided spring member for controlling the biasing angle of the stop member, one single spring member can provide the necessary power for returning the stop member and the trigger, and therefore the invention has a compact structure characteristic.

The invention belongs to the technical field of fish genetic engineering, and particularly relates to fishpond sterilizing equipment for fish genetic engineering. The invention aims to provide the fishpond sterilizing equipment for the fish genetic engineering which can designate a sterilization range, is uniform in sterilization, economizes sterilization materials and reduces the sterilization cost. In order to solve the technical problem, the fishpond sterilizing equipment for the fish genetic engineering is provided. The equipment comprises sliding rails, mounting bases, roller wheels, guiding rods, a top plate, a winch, a lifting rope, guiding sleeves, a left bearing block, a right bearing block, a first motor, a lead screw, a nut and the like, wherein the sliding rails are arranged on the left-sided ground and the right-side ground of a fishpond; the sliding rails are poured on the ground in a concrete pouring way; the mounting bases are arranged on the sliding rails. According to the fishpond sterilizing equipment for the fish genetic engineering provided by the invention, the effects of designating a sterilization range, uniformly sterilizing, economizing sterilization materials and reducing the sterilization cost can be achieved.

The invention discloses a double power drive walking mechanism, which belongs to a vehicle walking system. The technical proposal comprises: a differential gear train 4-5-6-7, an internal gear 7 and a wheel 8 are coaxially connected through a long-closed torque clutch 12; a bevel gear 3 is fixedly connected and coaxially rotates with a center gear 5; a bevel gear 2 is meshing driven with the bevel 3; a cylindrical gear 9 is fixed connected and coaxially rotates with the bevel gear 2 to form a right-sided driving device 9-2-3-4-5-6-7-12-8 which is symmetrically arranged with a completely identical left-sided driving device 9<1>-2<1>-3<1>-4<1>-5<1>-6<1>-7<1>-12<1>-8<1> on a frame 13 under the condition that the cylindrical gear 9 is correctly meshing transmitted with 91; tie bars 4 and 41 are fixedly connected and coaxially rotate with the bevel gear 1 and a main shaft 10; the bevel gears 11 is meshing driven with the bevel 1; the bevel gear 11 is driven by the main power and the cylindrical gear 9 is driven by the auxiliary power; the left and right wheels are driven by the main and auxiliary power to realize the vehicle running through the differential gear train.

The invention discloses a corn seedling device capable of uniformly discharging kernels for agricultural planting. The corn seedling device comprises a vehicle plate, and is characterized in that Y-shaped mounting racks are formed in the middle of the two sides of the bottom part of the vehicle plate; the bottom parts of the two-sided inner walls of the two mounting racks are connected with wheelsthrough bearings; the top inner walls of the two mounting racks are provided with brush hairs; the one-sided outer wall of the left-sided mounting rack positioned at the bottom of the vehicle plate is provided with a second driving motor; the left side of the bottom part of the vehicle plate is provided with two ditching rods; the bottom parts of the two ditching rods are provided with shaving gears which are distributed equidistantly; a material distribution bin is arranged in the middle of the bottom plate of the vehicle plate; and a material distribution bulge is formed in the middle of the bottom inner wall of the material distribution bin. The corn seedling device disclosed by the invention has the advantages that corn kernels can be effectively prevented from being blocked, kernelsare discharged uniformly, the phenomena that operation personnel cannot conveniently walk after sowing or the seeds are trodden and exposed are avoided, and integration of ditching, sowing, soil covering and irrigation is realized, and thus, the sowing operation efficiency is improved, and the corn seedling device has a rainwater collection function so that water resources are saved.

An autonomous mobile robot includes a housing mounted on a track and controllable to move along the track and to stop at each selected location, two side covers pivotally mounted on the left and right sides of the housing and movable by a respective driving motor to close / open the left or right side of the housing, and a mechanism consisting of a motor roller, a driven roller, timing pulleys and timing belts to move a material carrier horizontally leftwards or rightwards to the outside of the housing after opening of the left-sided or right-sided side cover.

An autonomous mobile robot includes a housing mounted on a track and controllable to move along the track and to stop at each selected location, two side covers pivotally mounted on the left and right sides of the housing and movable by a respective driving motor to close / open the left or right side of the housing, and a mechanism controllable to move a material carrier horizontally leftwards or rightwards to the outside of the housing after opening of the left-sided or right-sided side cover.

The invention discloses a gate device for hydraulic engineering. The gate device comprises a fixed bottom plate, wherein fixed racks are mounted on the two sides of the upper end of the fixed bottom plate; a top plate is mounted between the top ends of the fixed racks; a driving motor is mounted in the middle part of the upper end of the top plate; a driving shaft is mounted at the lower end of the driving motor; the top plate arranged at the lower end of the driving shaft is connected with a driving gear; the two ends of the driving gear are separately meshed with driven gears; a corresponding rotating shaft is mounted in the middle of each of the driven gears; a left rotating worm gear is mounted in the middle part of the lower end of the left-sided rotating shaft; a right rotating wormgear is mounted in the middle part of the lower end of the right-sided rotating shaft; the left end of the left rotating worm gear and the right end of the right rotating worm gear are separately meshed with rotating worm gears; and rotating gears are mounted on the coaxial positions of the middle parts of the front ends of the rotating worm gears. The invention also discloses a using method of the gate device. Under a driving effect of the driving motor, a gate plate is lifted to an expected position and is stopped; and the gate is moved downwards under a meshed action of the rotating gears and the lifting racks. According to the gate device and the using method of the gate device, the phenomenon that lifting of the gate is realized by utilizing screw transmission is avoided, and the reliability of the whole gate is improved.

The invention relates to a PV (photovoltaic) system, which comprises a plurality of beam supports which are parallel to each other, and a plurality of rows of PV modules which are connected onto the adjacent beam supports, wherein each PV module comprises tiles and PV cell pack laminates, and each tile comprises a base; the base of each tile comprises lengthwise extending left-sided and right-sided wings which are vertical to the extending direction of the beam supports, and the left-sided and right-sided wings are oppositely arranged at the two sides of the base; adjacent upper and lower rows of tiles are arranged in a staggered way, and the right-sided wings of the left-sided tiles of adjacent left and right tiles positioned at the same row are overlapped on the left-sided wings of right-sided tiles. The tiles are arranged in a staggered way, and the right-sided wings of the left-sided tiles of adjacent tiles positioned at the same row are overlapped on the left-sided wings of right-sided tiles, so that the tiles can not be mixed and the wind resistance of the overall PV system is improved, and also dust and rain can not enter rooms.

A shaft coupling for a drive shaft (3), with a driving and a driven coupling component in which the driving or the driven coupling component is configured to form a cylindrical hollow coupling outer member (8) and the other coupling component configured to form a cylindrical coupling inner member (9), the two members being disposed so as to be coaxial with the longitudinal axis of the shaft coupling, and in which axially parallel grooves (27, 28) that are provided with right- and left-sided side walls (19, 20, 21, 22) are formed on the inner circumference of the coupling outer member (8) and on the outer circumference of the coupling inner member (9) for receiving rolling members (11) that drivingly and axially slidably interconnect the coupling outer member (8) and the coupling inner member (9), whereby the right- and left-sided side walls (19, 20, 21, 22) of the coupling inner member (8) and of the coupling outer member (9) are disposed side by side and mesh together thereby in such a manner that, together with a side wall (19, 20) of a groove (27) of the coupling inner member (9), a respective one of the side walls (21, 22) of a groove (28) of the outer member (8) defines and / or forms a rolling member passage (13, 14).

An implantable electrical lead suitable for left sided cardiac placement, the implantable medical electrical lead having an external blood contacting surface having an external coating including a monolayer of at least one biological agent that promotes endothelialization covalently attached to a polymeric lead surface.

The invention relates to a method and a device for guiding the movement of a moving machine element on a numerically controlled machine, whereby maximum possible track speed, maximum possible track acceleration, and maximum possible track jerk are defined by means of given restrictions on track axes. The local minima for the maximum possible track speed are determined, whereby for each local minimum a corresponding left-sided and right-sided track speed segment is determined, whereby, for track values for the displacement track to the left and right of a given minimum, the resulting track speed is determined by using the maximum possible track jerk and the maximum possible track acceleration until the track speed exceeds the maximum possible track speed to the left and right of the minimum, a track jerk curve for the movement guidance is hence determined. According to the invention, a simple method and a simple device for movement guidance of a moving machine element on a numerically controlled machine are achieved, with as good as possible a usage of the restrictions on machine axes of the machine.

A device for sharpening lawnmower and sod cutting blades is provided. The blade sharpener provides a rotatable blade bed that can be used to safely adjust the grinding attack angle without exposing the operator to the moving grinding wheel. The blade bed of the present invention can be quickly adjusted over a range of different sharpening angles and is adapted for honing both right and left-sided blades.

A multi-jointed, upper extremity radial artery procedure support device and associated warming sleeve is disclosed. The support device may function like a human arm and is designed to support both right-sided and left sided interventions. The multi-jointed radial arm support device may allow flexion and extension of a patient's arm at the patient's associated elbow and wrist. The arm-warming sleeve may apply gentle warmth to the patient's arm during a procedure to induce vasodilation of the radial artery, and eliminate a need for vasoactive drugs during radial artery procedures.

A device (10) for fastening a window blind with a window blind end piece (12), which has a front surface (13), on which is arranged an axis segment (15). The axis segment (15) interacts with a mounting element (18), which can be rotated about an axis of rotation (44) of the axis segment (15), for opening and / or closing a holding mount (17). An axial guide (47) is provided, which fixes an axial position of the mounting element (18) in relation to the axis of rotation (44) of the mounting element (18) about the axis segment (15). In order to reduce the risk of premature wear and to simplify a change between left-sided or right-sided mounting, the device (10) has a positioning device (48), which is separate from the axial guide (47). The positioning device (48) is provided for the detachable fixing of the mounting element (18) in at least one rotation position of the mounting element (18) in relation to the axis segment (15).

The invention provides a sponge block cutter, and relates to the field of block cutting mechanical equipment. The sponge block cutter comprises a worktable, a work base, a push rod, a scroll wheel and a hydraulic cylinder sliding device, wherein a groove is formed in the worktable; the left side of the groove is provided with a turning plate and a sponge block outlet while the right side of the groove is provided with a sliding plate; the sliding plate is fixedly connected with the right side of the groove by an extensible rod; the worktable is connected with the sliding groove positioned on the work base by sliding blocks in a sliding manner; the hydraulic cylinder sliding device is connected with a sliding groove positioned on the inner side of each baffle plate by sliding blocks positioned on the two sides of the hydraulic cylinder sliding device; the sponge block outlet penetrates through the left-sided baffle plate; the hydraulic cylinder is connected with the sliding groove positioned on the hydraulic sliding device by the one-sided sliding block in a sliding manner; the lower part of the hydraulic cylinder is provided with a connection device; the hydraulic cylinder is fixedly connected with a cutter by a connection device; and the push rod is arranged in front of the work base. The sponge block cutter has the advantages of simple structure, high working efficiency, and capability of reducing production cost and freely moving.