118results about How to "Circumference small" patented technology

A method and apparatus for caged stent delivery is provided herein. The device can be used to position and deliver any type of stent to a preselected treatment site within an intraluminal cavity. The device comprises a tubular portion, a plurality of arms attached to the distal end of the tubular portion, and a mechanism to open the arms. In operation, the caged device carries a stent in a constricted form to the treatment site for deployment. The arms of the cage are then opened, the stent released and deployed, and the device withdrawn. Several methods are provided to open the arms, including various pullwires, a piston, an electrolytic joint, and an activator. The arms may be constructed of a shape memory alloy and opened when shape memory behavior is effected. The device may be used with conventional catheters or used with a stent-loaded guidewire.

An implant having a first member having a first elongated channel and a second member having a second elongated concave channel that becomes generally opposed when the first and second members are mounted to a first and second vertebra. A ball bearing is received in each of the channels to both separate and maintain a predetermined distance between the first and second member and also to facilitate movement in a plane that intersects an axis of the spinal column. The ball bearing is seated in and cooperates with the channels to permit pivotal movement about a plurality of axes. A method for replacing a disc is also shown using the implant.

A transfer assembly comprising an intracorporeal transfer coil of an implant, and an extracorporeal transfer coil of an extracorporeal supply unit. The transfer coil of the implant has permanently associated therewith a transmitting element. The transfer coil of the supply unit has permanently associated therewith at least one receiving element. Further, the supply unit comprises an evaluation module connected with the receiving element and issuing a locating signal depending on an offset and / or a direction of offset of the transmitting element relative to the receiving element.

In combination a device for delivering a stent within an intraluminal cavity and a stent including an elongated member configured to receive a stent thereon, a stent mounted on the elongated member and movable between a smaller diameter delivery position and an expanded placement position and a tubular portion attached to the elongated member. First and second stent engaging arms and a pusher arm extend distally of the tubular portion. The first and second engaging arms configured to constrain the stent in an area between the arms and the pusher arm configured to contact the proximal portion of the stent. The engaging arms are movable between a closed stent constraining position and an open stent release position. The delivery system can also be used to deliver other vascular implants.

An off-road vehicle includes a frame and wheels. An engine powers the wheels through a drive system that includes a front differential gear unit. A housing encloses the front differential gear unit. The housing is positioned generally on a longitudinal center plane of the frame with the plane extending generally vertically and fore to aft. A steering system controls directional movement of the front wheels. The steering system includes a steering wheel that is offset relative to the center plane. A steering shaft is connected to the steering wheel and is disposed on the frame for rotation. A pair of tie-rods are coupled with the respective front wheels. A coupling mechanism couples the steering shaft to the tie-rods. The coupling mechanism converts the rotary movement of the steering shaft to an axial movement of each tie-rod. The coupling mechanism includes a rack-and-pinion assembly. A gear case encloses the rack-and-pinion assembly. The gear case is coupled with the differential housing and positioned such that the center plane intersects the gear case.

Apparatus and methods are provided that enable processing of patterned layers on substrates using a detachable mask. Unlike prior art where the mask is formed directly over the substrate, according to aspects of the invention the mask is made independently of the substrate. During use, the mask is positioned in close proximity or in contact with the substrate so as to expose only portions of the substrate to processing, e.g., sputtering or etch. Once the processing is completed, the mask is moved away from the substrate and may be used for another substrate. The substrate may be cycled for a given number of substrates and then be removed for cleaning or disposal.

The invention relates to a dispensing device (1) for dispensing a product. The dispensing device comprises: a container (2) containing the product under pressure, the container having a top (7), bottom (5) and body portion (8), an axial direction being defined between the bottom and top; a valve mechanism (3) mounted at the top of the container, the valve mechanism being movable with respect to the container for pressurized discharge of the product out of the container; and a dispensing cap (4) mounted on the top of the container. The dispensing cap carries: a nozzle (21) debouching outside the cap for spraying the product, the nozzle being connected to the valve mechanism by a conduit; and art actuating member (23) having a horizontal arm (25) and a vertical arm (24). The horizontal arm is hingedly suspended in the cap and engages the valve mechanism to actuate the valve mechanism upon pulling the vertical arm towards the container portion. The body portion of the container has a lower portion (40) and an upper portion (41) providing a one-band grip (42). The vertical arm is arranged to be engageable by at least one finger of a hand gripping the one-band grip. The one-hand grip is constricted in its circumference with respect to the lower portion.

The invention relates to a dispensing device (1) for dispensing a product. The dispensing device comprises: a container (2) containing the product under pressure, the container having a top (7), bottom (5) and body portion (8), an axial direction being defined between the bottom and top; a valve mechanism (3) mounted at the top of the container, the valve mechanism being movable with respect to the container for pressurized discharge of the product out of the container; and a dispensing cap (4) mounted on the top of the container. The dispensing cap carries: a nozzle (21) debouching outside the cap for spraying the product, the nozzle being connected to the valve mechanism by a conduit; and art actuating member (23) having a horizontal arm (25) and a vertical arm (24). The horizontal arm is hingedly suspended in the cap and engages the valve mechanism to actuate the valve mechanism upon pulling the vertical arm towards the container portion. The body portion of the container has a lower portion (40) and an upper portion (41) providing a one-band grip (42). The vertical arm is arranged to be engageable by at least one finger of a hand gripping the one-band grip. The one-hand grip is constricted in its circumference with respect to the lower portion.

The invention relates to a medical proton synchrotron which comprises the components of a first deflecting two-pole magnet, a second deflecting two-pole magnet, a third deflecting two-pole magnet, a fourth deflecting two-pole magnet, a fifth deflecting two-pole magnet, a sixth deflecting two-pole magnet, a seventh deflecting two-pole magnet and an eighth deflecting two-pole magnet, wherein the deflecting two-pole magnets are successively connected, and furthermore the first deflecting two-pole magnet is connected with the eighth deflecting two-pole magnet for forming an annular structure; a first long linear junction, a second long linear junction, a third long linear junction, a fourth long linear junction; a first miniature linear junction, a second miniature linear junction, a third miniature linear junction and a fourth miniature linear junction. According to the medical proton synchrotron, through utilizing the deflecting two-pole magnets with ultrahigh field strength and horizontal focusing and horizontal defocusing four-pole magnets, an envelope function is kept in a relatively low level, and furthermore the medical proton synchrotron has advantages of effectively improving acceptance degree of the proton synchrotron, increasing number of stored protons, increasing proton utilization rate and duty ratio, and shortening treatment time. Furthermore each magnet element in the medical proton synchrotron has relatively high strength for reducing perimeter of the whole synchrotron, thereby effectively utilizing the space of the medical proton synchrotron and furthermore reducing treatment cost.

An angle measuring device with two pivotable arms connected at a common point is disclosed. The first arm contains a rigidly linked shaft which connects the first arm to a second arm rotatable relative to the first arm. A first electronic sensor, such as a magnetic rotary encoder, determines the angle between the arms. Optionally, a second electronic sensor, such as an accelerometer, determines the angle of orientation of an arm with reference to the plane of the Earth. The microcontroller can be used to aggregate the output of the magnetic rotary encoder with the accelerometers, so as to calculate the angle from the plane of the Earth up to the first arm of the angle measuring device.

The invention provides a single-window guided valve constriction system. The system comprises a catheter positioning device, a conveying device, an anchoring device and a tightening line, wherein theanchoring device comprises a plurality of anchoring parts; the catheter positioning device comprises a positioning tube, a window communicated with an inner cavity of the positioning tube is formed inthe side wall of the far end of the positioning tube, and the positioning tube moves to enable the window to face different positions of a targeting part; the conveying device conveys the plurality of anchoring parts to the different positions of the targeting part through the windows along the positioning tube; the anchoring device is used for sequentially fixing the anchoring parts penetratingthrough the window at the different positions of the targeting part; and the tightening line is used for serially connecting and tightening the plurality of anchoring parts fixed at the different positions of the targeting part, so that the perimeter of the targeting part is reduced. According to the single-window-guided valve contracting ring system, the positioning pipe moves to enable the window to face the different positions of the targeting part, then the anchoring parts are fixed to the different positions of the targeting part, then the targeting part is tightened through the tightening line, and therefore the effect of shortening the perimeter of the targeting part is achieved.

Provided are variations of a motor and planetary gear assembly comprising a motor, as well as a method for producing such motor and planetary gear assemblies.

A wet clutch for a motorcycle having an outer basket having a first toothing as the input side of the wet clutch, an inner basket which is coaxial to the outer basket having a second toothing as the output side of the wet clutch, first frictional elements which are torsionally connected to the outer basket, second frictional elements which are torsionally connected to the inner basket, the first and second frictional elements being situated axially alternating between the inner basket and the outer basket, and a clamping element to compress the first and second frictional elements axially in order to produce a torsional connection between the input side and the output side. The inner basket and / or the outer basket can essentially be produced from one or more sheet metal parts.

The present invention discloses a low-temperature plasma generator with a hexagon pipe-type structure. The low-temperature plasma generator comprises a copper rod, a generator cavity and a metallic mesh. The generator cavity is in the shape of a regular hexagon pipe, is made of quartz glass or corundum and is used as a medium in the middle of a discharging gap. The shape of the copper rod is the same with that of the generator cavity, and the copper rod is arranged in the generator cavity; both ends of the copper rod are sealed and fixed by positioning stoppers, and a through hole used for installing an aeration pipe is formed in each positioning stopper; and the metallic mesh wraps the outer surface of the generator cavity, and is used as a grounded negative electrode so as to ensure normal discharging, and fixes the generator cavity. During operation, the copper rod is connected to a high-voltage power source positive electrode by a positive electrode wiring head, the metallic mesh is connected to a high-voltage power source negative electrode by an external high-voltage wire, and after the generator is electrified, violet low-temperature plasma is generated in a slit between the copper rod and the generator cavity, and the generation amount of the low-temperature plasma is increased. When a plurality of low temperature plasma generators are connected in parallel, a space utilization rate can be improved, and the usage amount of medium materials and negative materials can be reduced.

The invention discloses an oblate lamp and a spherical lotus lamp formed by the same. The oblate lamp comprises two or more than two root parts of lamp body in parallel arrangement, each of the root part of lamp body is set with a middle part of lamp body matching with the root part of lamp body, the outer surfaces of the middle part of the lamp body are luminous faces, the two ends of the middle part of the lamp body are connected in a whole a connecting part of the lamp body, the cross-section of the middle part of the lamp body is in oblate shape, the spherical lotus lamp is composed by connecting several of the oblate lamps. Compared with the existing round lamp, the oblate lamp according to the invention effectively enlarges luminous surface under condition of same perimeter of the luminous lamp, in order to enhance the luminous efficiency; meanwhile, compared to the existing round lamp, the oblate lamp in the middle part of the lamp body enables massively reduced perimeter of middle part of the lamp body under condition that the two has same luminous surface areas, in order to save disposable material for manufacturing the lamp body with low costs.

An interface having a receiver and a test adapter. The receiver has a body and a latch post connected to the body. The latch post has a body, a neck, and a tip with the tip being larger than the neck. The test adapter has a frame and an engagement assembly. The engagement assembly has a drive shaft having first and second ends, a drive knob connected to the first end of the drive shaft, a drive nut connected to the drift shaft near the second end of the drive shaft. The drive nut has a threaded interior portion. The drive assembly further has a drive screw and a drive screw housing. The drive screw has a threaded exterior portion such that the threaded exterior portion of the drive screw engages with the threaded interior portions of the drive nut. A spring extends from the drive screw longitudinally away from the threaded portion of the drive screw. The spring has an enlarged portion at its distal end. The drive screw housing surrounds the springs and has a recessed portion adjacent the enlarge portion of the spring when the engagement assembly is in a disengaged position.

A roller bearing of the type having a flange on which thrust loads are received shows improved ability to form an oil film at the contact surface portions of the end surface of a roller and the flange. The contact surface portions are both inclined at an angle of not less than 0.1° and not more than 1.5° with respect to the radial direction, over the entire circumferences of the respective contact surface portions.

The invention discloses a silicon-based liquid crystal chip. The silicon-based liquid crystal chip comprises a substrate and a plurality of pixel electrodes which are arranged on the substrate in an array form, wherein the transverse section of each pixel electrode is in an n-edge shape or a circular shape, wherein n is greater than or equal to 5, the perimeter of each pixel electrode is C1, the perimeter of a square with the same area with each pixel electrode is C2, and C1 is smaller than C2. The invention also provides a display device comprising the silicon-based liquid crystal chip. The silicon-based liquid crystal chip and the display device can effectively avoid the unfavorable matching problem of the silicon-based liquid crystal chip and a liquid crystal layer.

A passageway between two carriages of a rail vehicle, in particular a high-speed rail vehicle, wherein the passageway comprises an inner bellows and, disposed at a distance to said, an outer bellows to form an interior space, wherein the two bellows are each attached to the end face of the vehicle, wherein the two bellows are each designed in their circumference in a box shape, and that the interior space contains a means for at least a partial pressure compensation.

The invention relates to a proton synchrotron composed of combined magnets. The proton synchrotron comprises four deflecting combined magnets connected by four straight sections to form a ring structure. The deflecting combined magnets are combined magnets having the functions of a deflecting dipole magnet and horizontal focusing and horizontal defocusing quadrupole magnets. The straight sectionsinclude quadrupole-hexapole combined magnets having a horizontal focusing or horizontal defocusing function. Quadrupole-dipole and quadrupole-hexapole combined magnets are used for the first time on amedical proton accelerator, a full-loop envelope function is controlled to a small level, the acceptance of the synchrotron and the number of proton storage are effectively improved, the proton utilization rate and the duty cycle are increased and the treatment time is shortened. In addition, the use of the combined magnets and four blocks of bent iron reduces the gap between the magnet elementsand the same, and the functions of the medical accelerator are realized with as few elements as possible, so that the space occupied by the synchrotron is reduced and the equipment cost and treatmentcost are lowered.

The present invention provides a prosthetic heart valve comprising a stent, an alloy wire and biological tissue leaflets, the biological tissue leaflets being sewn to the alloy wire which is wrapped with a first polyester cloth, and the alloy wire being sewn to the stent which is wrapped with a second polyester cloth, wherein the stent is ring-shaped, comprising: a first stent layer and a second stent layer which are closely hooping with each other; the first stem layer being on the outside of the second stent layer, the first stent layer being made of a first material, the second stent layer being made of a second material, the first material and the second material being elastic, and the hardness of the second material being higher than that of the first material. Through the design of making the stent always tend to remain annular both in a stationary state and in a stressed state, the prosthetic heart valve of the present invention ensures the perfect match between the stent and the alloy wire, thereby increasing the stability of the entire valve and extending the service life of the valve.