33results about How to "Large bend" patented technology

The present invention relates to a steerable catheter device and method of using the same comprising a catheter body having a distal section. The distal section of the catheter body has an inner lumen, and one or more steering lumen radially offset from the inner lumen. The steering lumen comprise a first end having a first diameter and a second end having a second diameter smaller than the first diameter. A fluid source is in fluid communication with the steering lumen for supplying fluid thereto to radially distend the first end of the steering lumen such that the catheter body bends away from the steering lumen. In some cases, a vacuum is supplied to an opposite lumen to further assist bending of the catheter body. The inner lumen may include a porous material that is utilized to clean an instrument, such as an imaging device, movably disposed in the inner lumen.

A steerable catheter device includes a catheter body, a flexing tip member coupled to a distal end of the catheter body and having a wall with a first plurality of arcuate slits and a second plurality of arcuate slits, the first and second plurality of slits being diametrically opposed and alternating with each other, and an actuator that bends the flexing tip member, wherein at least a portion of the catheter body includes a braided sheath, and wherein each of the first and second plurality of slits has two ends and a center positioned midway between the two ends, and wherein all of the first plurality of slits have centers positioned along a first axis substantially parallel to the longitudinal axis of the catheter body and all of the second plurality of slits have centers positioned along a second axis substantially parallel to the longitudinal axis of the catheter body.

The invention discloses clamping type pipe bending equipment. The equipment comprises a device main frame; a spindle base is welded to the upper part of the device main frame and is matched with the spindle in a rotating mode; a rotating wheel and a driven chain wheel are connected to the spindle in a key mode; a push shaft is connected to the rotating wheel; a pipe push support is arranged on thepush shaft in a rotating mode; the driven chain wheel is matched with transfer chain wheels on a transfer shaft; a supporting plate frame is further detachably connected to the device main frame; supporting frames are welded to the two sides of the upper part of the supporting plate frame; a top plate frame is connected to the upper parts of the supporting frames; a lower pressing plate frame iswelded to one end of the top plate frame; a plurality of limiting bolts are connected to the supporting frames in a screwed mode; a fixed oil cylinder is arranged on the top plate frame; a lower pressing oil cylinder is arranged on the lower pressing plate frame; a right-angled frame is welded to the lower part of the device main frame; and a clamping bolt is connected to the right-angled frame ina screwed mode. The clamping type pipe bending equipment is clamped on a workbench, pipes can be bent in batches, the working efficiency is high, the uniformity of the bending angles of the pipes isgood, the operation is labor-saving and simple, and the application range is wide.

A flexible skateboard may include a pair of direction casters mounted for steering rotation a twistable one piece skateboard. A center section may be made sufficiently narrower than outboard foot support areas which may be twisted by a rider to add energy for rolling motion to wheels in the casters. The center section may also be made sufficiently resistant to twist so that the skateboard may be ridden as a conventional, non-flexible skateboard.

The invention provides a light guide plate and a back light module using the same. The light guide plate is formed by the connection of multiple sub-light guide plates by hinge structures, wherein the contact surface of each sub-light guide plate is designed into a concave-convex matching cambered surface structure to enable the whole light guide plate to be bent to a certain extent along the cambered surfaces. Therefore, the light guide plate and the back light module have the advantage of large bending amplitude and are not influenced by the dimension.

The invention relates to a bionic body mechanism capable of realizing multi-directional bending. The bionic body mechanism comprises a front body assembly, a driving assembly, a bionic spine assembly and a back body assembly, wherein the front body assembly and the back body assembly adopt frame structures; the driving assembly comprises six motors which drive six fixed-length connecting rods respectively and are circumferentially distributed around the bionic spine assembly, and the driving assembly is fixedly connected with the front body assembly and the back body assembly through screws; the two ends of the bionic spine assembly are fixedly connected with the front body assembly and the back body assembly through screws respectively. The bionic body mechanism capable of realizing multi-directional bending simulates the body structure of four-footed organisms, can realize lateral bending and vertical bending, has a good bionic property and bending flexibility and overcomes the defect that traditional robot body structures cannot realize flexible and dynamic bending.

A light emitting device (1) comprising at least one light source (2), and a light guide unit comprising at least a first light guide (3) and a second light guide (4) each comprising a light input end surface (6, 31, 41) arranged to, when in operation, receive light emitted from the at least one light source and a light output surface (7, 32, 42), at least a part (8) of the first light guide and the second light guide near the light output end surface being bent in a bending radius (R), at least the first light guide of the light guide unit being ring-shaped in cross section, and the first light guide and the second light guide of the light guide unit being arranged in a nested relationship.

The invention discloses a multi-joint spine. The multi-joint spine comprises a first chine, a second chine and a third chine hinged in sequence; the first chine and the third chine are used for mounting robot lower limbs; the first chine is connected with a first driving unit for driving the first chine to rotate around the hinged shaft; the third chine is connected with a second driving unit fordriving the third chine to rotate around the hinged shaft; and the first driving unit and the second driving unit are mounted on the second chine. The invention further discloses a spine four-foot robot; the spine four-foot robot comprises the multi-joint spine and the robot lower limbs; and the robot lower limbs are mounted on the first chine and the third chine. The multi-joint spine and the spine four-foot robot; and the robot has the multi-joint spine structure to simulate spine bending actions of four-foot organisms, so that the spine bending amplitude is wide, the motion independence andoperability of front and back limbs are improved, and the motion speed and the motion flexibility of the four-foot robot are improved.

The invention provides a flexible touch control panel, and a preparation method and a touch control device thereof, which relate to the field of electronic device preparation. The flexible touch control panel comprises a flexible transparent cover plate, a flexible transparent decorative plate and a sensor film layer for connecting a circuit board stacked in sequence. The flexible touch panel solves the technical problems of small bending amplitude and short service life of the flexible touch panel in the prior art. Compared with the traditional touch panel, the flexible touch panel has largerbending amplitude and longer service life, expands the application range of the flexible touch panel, and improves the market competitiveness of the flexible touch panel.

The invention discloses a lining capable of adjusting the space temperature in a firefighter uniform and a manufacturing method of the lining. A fabric layer and a plurality of buffering temperature adjusting protrusions are included. The multiple buffering temperature adjusting protrusions are fixed to the side face of the fabric layer at equal intervals, and the part, between every two adjacentbuffering temperature adjusting protrusions, of the fabric layer is provided with ventilation holes. Each buffering temperature adjusting protrusion is internally provided with an inert gas containingcavity and a phase change material containing cavity. After food-grade silica gel is subjected to extrusion molding and fusion through an extruder, a membrane is formed in a forming mold and extruded; the buffering temperature adjusting protrusions are formed after treatment, the inert gas containing cavities are inflated with nitrogen, and the phase change material containing cavities are filledwith phase change materials; and finally, the buffering temperature adjusting protrusions are sewn to the side face of the fabric layer, the ventilation holes are punched through a mechanical punching device, and the lining is manufactured. On the premise that a good cooling effect is guaranteed, the lining is light in structure and convenient to wear and use, and meanwhile the lining has good buffering capability; and accordingly the personal safety and work efficiency of firemen in the high temperature environment are improved.

The false eyelash comprises an eyelash stem and a plurality of eyelash bodies, at least part of the eyelash bodies are simulation bodies, each simulation body comprises a root portion, a tail portion and a deformation section located between the root portion and the tail portion, the root portions are connected and fixed to the eyelash stem, the deformation sections are provided with bending points, and the bending points are connected with the tail portions. And after the simulation bodies are deformed and bent at the bending points, the extension paths of the deformation sections of the two adjacent simulation bodies are different. The false eyelashes can be more stereoscopic and can be prevented from hurting a human body.

The invention relates to a paper watchband and a manufacturing process thereof, the paper watchband comprises a band body, a fixed band ring and a movable band ring, the band body comprises a fabric, a core material and a backing material, the fabric comprises a paper material and a waterproof layer, and the waterproof layer is waterproof glue coated on the surface of the paper material; the belt body is divided into a first belt body and a second belt body, the fixed belt ring is fixed on the first belt body, and the movable belt ring movably sleeves the first belt body; one part of the fixing belt ring is adhered and fixed between the core material and the bottom material of the first belt body, and the other part of the fixing belt ring is exposed outside the first belt body; the paper material is recycled newspaper, printed characters and patterns on the newspaper form a decorative layer, and the waterproof layer is a transparent waterproof layer through which the decorative layer of the paper material can be observed. The paper watchband is made of paper, and printed characters and patterns on newspaper are recycled to form a decorative layer of the watchband, so that the watchband is more environment-friendly to manufacture, and the appearance of the watchband is more personalized; the core material and the bottom material which are made of leather provide enough toughness for the watchband, so that the watchband is not easy to break.

The invention relates to the technical field of hardware processing, and discloses a hardware strip bending device. The hardware strip bending device comprises a bottom plate, wherein a fixing frame is arranged on the left side of the upper surface of the bottom plate; a fixing rod is arranged at the right end of the fixing frame; a fixing block is arranged at the lower part of the fixing rod; a supporting column is arranged on the right side of the upper surface of the bottom plate; a workbench is arranged at the upper end of the supporting column; the middle of the workbench is rotationallyconnected with the middle of a rotating shaft; the upper part of the rotating shaft is provided with a rotating block; the left side of the rotating block is provided with a lead screw; the middle ofthe lead screw is connected with a driving nut in a threaded mode; the left side of the driving nut is rotationally connected with the middle of a fixing plate; the lower part of the fixing plate is rotationally connected with a rotating rod; and the left end and the right end of the rotating rod are provided with driving wheels. According to the hardware strip bending device, the rotating shaft is arranged to drive the fixing plate to rotate, and in the rotating process, the driving nut moves along the lead screw, so that the fixing plate finally moves along the track of a spiral involute, and consequently, a hardware strip is bent.

The subject invention pertains to percutaneous surgical device with variable stiffness for percutaneous procedures, including but not limited to pericardiocentesis, and flexible neurosurgical devices for procedures, including but not limited to intracerebral hemorrhage evacuation and third ventriculostomy and brain tumor biopsy, and methods of making and using them.

The invention discloses dried bean curd air pressure equipment which is structurally provided with an air pressure device, a pressing plate, a placing table, a buffer base, a starter, a connecting column and a top cover, and the bottom surface of the air pressure device is detachably mounted in the center of the top surface of the top cover; the top surface of a placement table is in threaded connection with the bottom surface of the top cover through a connecting column, the bottom of the placement table is movably connected with a buffer base, and the heating ring in the dehumidification device mounted at the left end of the air inlet is used for heating incoming humid air, so that moisture in some air is eliminated; a sponge plate in an extrusion device is used for absorbing residual moisture in air, moisture entering an inner cavity is reduced, the situation that dried bean curd is broken due to the fact that the pressure of the inner cavity of the pneumatic pump is too large and the compressive strength of a product is too high is prevented, and the bending amplitude of the sponge plate cannot be increased when the sponge plate is extruded through cooperation of a limiting mechanism; therefore, water remains on the sponge plate.

The invention relates to an anti-load pressure regulator pre-pressurizing mechanism with a selecting function. The anti-load pressure regulator pre-pressurizing mechanism with the selecting function comprises a pre-pressurizing shell, a baffle, a pre-pressurizing spring and a valve. A longitudinal supporting pipe frame is fixed to the top surface of the pre-pressurizing shell. An operating rod is arranged in the supporting pipe frame. The top of the operating rod penetrates upwards out of the supporting pipe frame and is provided with an operating head. The bottom of the operating rod extends downwards into the pre-pressurizing shell, and a shifting piece is fixed to the bottom of the operating rod. The upper portion of the shifting piece is vertical, and the lower portion of the shifting piece deflects towards the side away from the valve. A seam is formed in the middle of the shifting rod in the direction of the shifting piece. A sliding block is arranged between the pre-pressurizing spring and the valve. One end of a pull rod is fixed to the sliding block. The other end of the pull rod sequentially penetrates through the pre-pressurizing spring, the baffle and the seam. A protruding block is arranged on the pull rod and located near the side, away from the valve, of the shifting piece. The coarse motion of loosening or tensioning the pre-pressurizing spring is converted into the longitudinal motion of lifting or pressing the operating rod, the overall arrangement is reasonable, operation of aviators is facilitated, and the aviators can autonomously choose to start the pre-pressurizing function or stop the pre-pressurizing function.

The invention provides a ligament or tendon prosthesis made from two or more of cables braided into a helical structure, where each cable is made from two or more strands. The strands may be made from an alloy exhibiting pseudoelastic properties at body temperature, and may be twisted into a helical structure in the cables.