294 results about "Plethoric face" patented technology

An inexpensive ligament fixing system capable of providing an efficient fixing force and accurately driving a staple with less invasion, comprising a flat-shaped plate having a plurality of drilled holes and curved bottom and upper surfaces and formed by casting and a cross bar used to allow a parallelism, to be checked, wherein the plate is fixed to a ligament and the folded-up ligament is further fixed with the staple, the tips of the leg parts of the staple are moved from the centerline to the inside, a cut-in is provided on the insides of the leg parts, the cross sections of the leg parts are formed in a polyhedron, the plate is pressed and driven by a driving device having a driving structure by a thrust bar is used.

The three-dimensional device is adapted to be inserted into a portion of a vasculature for occluding the portion of the vasculature for use in interventional therapy and vascular surgery. The device is formed from a multi-stranded micro-cable having a plurality of flexible strands of a shape memory material and at least one radiopaque strand. The flexible strands in a multi-stranded micro-cable of the device can be helically wound, or can be configured as parallel, longitudinal strands, and can also be formed to have a secondary, three-dimensional therapeutic configuration, such as helical, conical, spherical, or other geometric shapes. The strands can be made of a shape memory nickel titanium alloy, that is highly flexible at a temperature appropriate for introduction into the body via a catheter, and that after placement will take on the therapeutic shape. The device can also include a therapeutic agent, and can be bundled by an outer cover to constrain the strands of the micro-cable about a longitudinal axis to produce a composite banded cable. The radiopaque strand can have a core strand with a plurality of intermittently spaced apart enlarged radiopaque portions that may be a plurality of beads of radiopaque material spaced apart and mounted on the core strand, or a plurality of coils intermittently wound about and spaced apart on the core strand. A polyhedral occlusive device is also provided, adapted to be inserted into a portion of a vasculature for occluding a portion of the vasculature, for use in interventional therapy and vascular surgery. One or more therapeutic fibers can also be woven into the coil to enhance treatment of the side after placement of the device.

A modular display system for polyhedron shaped merchandise, such as DVD's, software, computer games, CD's and the like, and a method for manufacturing such a display. In a preferred embodiment, the system comprises a plurality of individual pocket constraints configured as integral modules aligned and retained in a set of cascading shelves. The individual pocket modules are an integral form having side constraints, a connecting portion extending between the side portions, and a pushing portion having a merchandise engagement portion connecting to a bias-providing portion. The cascading shelves are, in a preferred embodiment, formed from a plurality of stackable shelves. Each shelf, in a preferred embodiment, has a horizontal lower base, a vertical back side, a vertical front portion, and a horizontal top piece forming generally a G-shape in the cross-section. The shelves are cascaded such that each successive higher shelf is set rearwardly from the shelf below.

Flocked cosmetic applicators have a mounting post connected to an applicator tip by a flexing element. The flexing element has a cutaway, reduced diameter portion, which may be provided by horizontal grooves formed on opposite sides of the flexing element, to provide flexibility by reducing its cross-sectional area. The applicator tip has a body and one or more flocked applicator surfaces. Preferred embodiments of the applicator tip include applicator surfaces which are angled relative to the body, and include a doefoot body, a flexible body, and a spatula body. A preferred applicator tip has a convex applicator surface. The design permits use of lower cost materials yet provides the sensation of softness to the user.

A polyhedron disposable container formed from flexible weldable plastic film and a method of forming the same are provided. The container has opposite ends and an openings that accommodates a port at the center of at least one of such ends. The container also has multiple sides and an opening on at least one such side located midway between the edges of such side.

A light mould component for concreting, which includes a polyhedron solid light material component, its character lies in: the mentioned polyhedron solid light material component contains at least one strengthening pole. Because of the strengthening pole, the intensity of the component is high, the rigidity is large, and it is not apt to be damaged; additionally, it has characters of simple structure, high intensity, deformation and vibration resisting, easy producing, low cost, and convenient construction. And the applications of the component are wide.

A variegated polymeric article such as a variegated siding panel having improved depth of color and a three-dimensional appearance is formed having a substantially clear, methacrylic acid based capstock coextruded to a tinted polyvinyl chloride based substrate material. A specially formulated streaker pellet provides accent color streaks within the capstock to simulate a wood grain appearance. The use of a clear capstock material eliminates the need for capstock tinting necessary in the prior art to color match the capstock to the substrate material in post formed variegated vinyl sidings. Titanium dioxide may also be introduced in small amounts to the capstock to provide further ultraviolet light protection to the underlying tinted polyvinyl chloride based substrate material.

A light mould component for concreting which includes a polyhedron solid light weight material component, its character lies in: the polyhedron solid light weight material component is arranged with at least one transverse aperture penetrating the surface of the component. When it is applied to the construction, because that the apertures penetrates the around side surfaces of the component, and the concrete is poured into the aperture cavities, after they are solidified, there forms concreting poles, thus a stressing and bearing component is formed in the light weight tire matrix component, the mechanical performance is upgraded greatly; at the same time, the light weight tire matrix component has characters of low cost, convenient construction and quick.

The invention provides a high-strength small-bore metal bone trabecula and a preparation method of the same. The high-strength small-bore metal bone trabecula is made through overlapping of a plurality of basic units, wherein the basic unit has seamed edges and is solid, other parts have a hollow polyhedral structure, one face of one basic unit coincides with one face of an adjacent basic unit, and reinforced bars are disposed inside the basic unit. The invention also provides a method to prepare the metal bone trabecula, which comprises the steps: 1. modeling is completed; 2. sectioning is completed; 3. a base plate is pre-heated; 4. powder is pre-heated; 5. areas are selected for melting and scanning; 6. the fourth and the fifth steps are repeated to obtain a 3D printing part; 7. residual powder is removed; and 8. electrochemical corrosion is carried out to obtain the high-strength small-bore metal bone trabecula. The high-strength small-bore metal bone trabecula provided by the invention has compression strength of 60 MPa-90 MPa, and effective aperture of 100 mum-150 mum, wherein the aperture is reduced by over 50% and the compression strength increases by over 20% in comparison with those of a conventional 3D printing porous material. The high-strength small-bore metal bone trabecula provided by the invention is more beneficial for bone in-growth and cell growth.

A bone replacement material for use in a treatment for repairing a vertebral body compression fracture is formed into a pellet having a roughly polyhedral shape. Each pellet having the roughly polyhedral shape has a pair of opposite surfaces, in which one of the opposite surfaces is inclined with respect to the other surface for a predetermined angle. The angle is preferably in the range of 10 to 60°. Further, the volume of each pellet of the bone replacement material 1 is in the range of 13 to 239 mm3. Furthermore, the bone replacement material is formed of calcium phosphate based compound having the Ca / P ratio of 1.0 to 2.0. By using such a bone replacement material, it is possible to carry out packing operation of the bone replacement material into a collapsed vertebral body smoothly, reliably and safely.

The invention relates to a medical implant in the form of an elongated helix wherein at least one part of the helix is preformed in such a manner that it has a secondary structure of identically sized loops which it assumes during implantation at the placement site, with said structure in turn forming at the placement site during implantation a polyhedral tertiary structure, and the polyhedron being provided with at least one additional loop.

The long axis of an object that is complex in shape, such as a tooth, may be accurately determined using digital data representing the shape of the object. A polyhedron is defined such that the center of the polyhedron coincides with a point representing the centroid of the object. Axis lines are then determined by establishing reference lines through each face of the polyhedron and the point representing the centroid of the object. The moment of the object is calculated about each axis line, and the axis line that corresponds to the smallest calculated moment is selected. Additional iterations of the method are then carried out by recursively subdividing the corresponding face into smaller sections until a desired angular accuracy is achieved. The method is particularly useful for orthodontic diagnosis and treatment.

The invention discloses a lattice material with function gradients. The lattice material is formed through spatial expansion of a single cell element lattice structure. Single cell elements can be in a pyramid shape or in a tetrahedron shape or in other polyhedron shapes. The height direction of the single cell elements is the Z-axis direction. Dots on the bottom face of the single cell element are located on the X-Y plane. Single chip lattice structures are formed through extended arrangement of the single cell element structures in the X direction and the Y direction. During extended arrangement, the height of the single cell elements on the same layer in the Z direction are kept constant. The distances between upper endpoints of the bottom faces of every two adjacent single cell elements are not equal. The single chip lattice structure with different heights are subjected to mirror symmetry extended arrangement with the X-Y plane where the vertexes of the single cell elements located as the plane of symmetry, so that the multi-layer spatial lattice structure is formed. The physical property parameters of the lattice material represent gradient change along with spatial positions, the lattice material is low in dead load is low, high in designability and excellent in impact resistance, raw materials are easy to obtain, a manufacturing method is simple, and the application prospects are quite considerable.

The invention discloses a 3D printer with the hook face processing characteristic and belongs to the technical field of digital processing. The 3D printer with the hook face processing characteristic solves the gravity limitation problem caused by a cantilever and a hollow structure in workpiece design engineering, can achieve hook face 3D printing and structurally comprises a fixing framework, a work platform, a parallel connection rod movement sprayer, stepping motors and a synchronous belt. The work platform is inclined through the stepping motors and the synchronous belt. According to the 3D printer, by means of inclination of a machine base platform and movement of a nozzle on a 3D printer body, workpiece cantilever printed pieces and cavity hook face printed pieces can be printed without supporting matter. The 3D printer with the hook face processing characteristic can perform direct printing on a hollow polyhedron, a multilayer cellular structure workpiece and a hook surface workpiece, and the 3D printing efficiency is improved.

The invention discloses a method and a device for three-dimensional ultrasonic real-time imaging and an ultrasonic imaging system comprising the device. A reconstructed polyhedron of body data is expressed by an analytical method and an imaging method, so that light rays can be cut to the range of the reconstructed polyhedron quickly and accurately, and the real-time and high-quality three-dimensional ultrasonic imaging can be realized.

The present invention relates to a stiffening component and a method for manufacturing a stiffening component. A component includes elementary units arranged in a regular pattern to form a mesoscopic geometrical structure, wherein each of the plurality of elementary units has the shape of a hollow polyhedron. A method for manufacturing such a component includes manufacturing elementary units in a regular pattern to form a mesoscopic geometrical structure using an AM or 3D printing technique.

This invention discloses a steel bar stereo load-carrying structure floor. It includes cast-in-place concrete board, cast-in-place concrete rib, cavity moulding shell and space arrangement of cavity moulding shell with cast-in-place concrete rib in it, cast-in-place-concrete board is above it, and the three pieces is placing as one body. The cavity moulding shell includes up roof plate, around lateral wall and down plate, and they are connected with each other to form polyhedron sealing cavity, up roof plate and around lateral wall are congruented with cast-in-place-concrete up board and with cast-in-place concrete rib in it rib. At least one bar piece is set in cavity, the feature is that the integer is consisted by at least two bar pieces to form integer bar pieces group. It is propitious to house cover, base bottom board, wall body, bridge and other hollow structures.

A cavity die shell member includes a top plate, surrounding side walls and a bottom forming a polyhedron cavity shell member characterizing in setting a laminated form at on a side of themember, thus, an open cavity shell member can be processed and the open side is up ward, then a form is suspended on put on the opening side to seal it, after the mushy material is hardened it is cured for specified time to get a cavity shell member with a laminated form.

A method of analyzing the electrocardiogram ("ECG") using a set of vectors mathematically derived from the heart vector. The entire ECG waveform of one representative heartbeat is analyzed as a time series of vectors taken at selected time intervals. The vector set consists of the heart vector, the vector of deviation, vector of abnormality, delta vector, the delta vector deviation, and the delta vector abnormality. The analysis system can be applied to two or any greater number of ECG leads represented on planar axes, orthogonal spatial axes, or four or more axes in multidimensional space. The normal range of the ECG in this method is delineated by an adaptive multi-dimensional polyhedron in space to which the unknown ECG is compared. This is accomplished by utilizing a computer platform and the software program to support the required mathematical calculations.

The invention relates to a manufacturing method of a rating plate, which comprises the following steps: (1) a precision mould is manufactured: the surface of a convex mould cavity is faceted with precision paralleling lines, concentric circle stripes or geometrical patterns; furthermore, the patterns or characters of the rating plate are faceted according to the designing requirement; a concave mould cavity is manufactured to have mirror face glazed effect, polyhedral gem effect or the outline with design patterns; (2) a semi-finished product piece is molded; the material of the semi-finished product piece can be PC, PMMA, ABS, PC+ABS or PET transparent resin; (3) the back surface of the semi-finished product piece is vacuum and plated with a film layer; (4) the semi-finished product piece is protected via printing, and the film layer is not needed to be eliminated. The rating plate manufactured in the invention can have changeable rotary glaring effect and be very beautiful. The invention also can be used for manufacturing mobile phone mating parts, accessories, car mating parts, electrical apparatus keypads and the outline accessories of various products.

Multipurpose fancy goods having a plurality of sheets connected to each other to form a polyhedron. The multipurpose fancy goods including a first regular square-shaped sheet, a second regular square-shaped sheet, a first regular triangle-shaped sheet, and a second regular triangle-shaped sheet each being made of a polypropylene foam sheet. Each of the first and second regular square-shaped sheets has four regular square-shaped sheet coupling parts each protruded outwardly from one side of each edge. Each of the first and second regular square-shaped sheets has four regular square-shaped sheet coupling through holes each formed around each corner. Each of the first and second regular triangle-shaped sheets has three regular triangle-shaped sheet coupling through holes each formed around each corner.

Bone replacement material to be used by being packed into a bone defective part, wherein the bone replacement material consists essentially of a calcium phosphate based compound and is formed into a pellet and satisfies both of the following conditions (I) and (II): (I) porosity is equal to or less than 75%; and (II) collapsing strength is equal to or more than 15 Mpa. The pellet has a roughly polyhedral shape and is defined by a plurality of surfaces including a pair of opposite, non-parallel surfaces and a surface adjoining to the pair of opposite, non-parallel surfaces, one of the opposite, non-parallel surfaces being inclined at a predetermined angle with respect to the other of the opposite, non-parallel surfaces. The one of the opposite, non-parallel surfaces is non-adjoined with the other of the opposite, non-parallel surfaces in the pellet. The other of the opposite, non-parallel surfaces is perpendicular to the surface adjoining to the pair of opposite, non-parallel surfaces.

A cavity die shell member using a casting-in plate concrete includes a top plate, side walls and bottom forming a polyhedron cavity die shell component, among which, the bottom extends from a side wall to form a cantilever slab characterizing in setting at least one reinforcing rod in the component, therefore, the component is stronger and more rigid, not easy to be broken and bears and transmits stres with the floor.

The invention discloses a method for constructing a spherical grid structure, which comprises the steps that an icosidodecahedron and a variant of the icosidodecahedron are constructed and combined; new hexagonal planar primitives are established; regular polygon configuration and subdivision are performed on the new hexagonal planar primitives; planar topology expansion primitives are formed; a Hanaor method is replaced by a planar primitive topology expansion and node chord plane angle sum mapping transformation method for performing spherical mapping transformation and constructing a spherical polyhedron structure; and the spherical grid structure is constructed based on the spherical polyhedron. Compared with the current Hanaor geodesic projection method for designing and constructing a spherical polyhedron grid structure, the spherical polyhedron constructed with the method is simplified obviously in hexagon configuration category, the number of node types and the number of rod length categories; relative relationship among nodes, polygonal surfaces and side lengths of the obtained spherical polyhedron grid structure is simpler and fixed; all polygons meet the planar no-distortion condition; and mounting and implementation are further facilitated.

The invention relates to a foldable polyhedral structure with single degree of freedom and large folding ratio, and discloses a foldable hexahedral structure. The structure comprises six folding units, twelve rod units and a symmetric axis, wherein connecting positions of the six folding units are respectively connected with connecting positions on the twelve rod units through revolute pairs or ball pairs to from a closed polyhedral structure; the units and motion pairs can meet a series of symmetric relations and constraint conditions in regard with a symmetric axis, so that a tetrakaidecahedron structure which can be folded into a hexahedron structure can be constructed. According to the foldable hexahedral structure, two stable states including folding and unfolding can be realized, the small folded size is convenient for transmitting or transporting, and the unfolded structure has a large working space; and the whole structure only has one degree of freedom, has the advantages of simplicity in production processing, convenience in motion control, high reliability and the like, and has important meaning and wide application prospect in aerospace, civil engineering and other fields.

The present invention provides a passive microfluid mixer and its encapsulation method. The microfluid mixer is composed of an upper PDMS and a lower PDMS. The upper PDMS layer forms a complex microstructure of the microfluid channel bottom, the shape is raised microspine or recess microgroove, the layout is any shape, generally parallel spine(groove), horizontal to the flowing direction. These microstructures lead to chaotic stream of microfluid, evidently enhances the mixing effect, obtained by a step etching method. The encapsulation method is encapsuled by contacting raised column microstructure adhesion array to generate adhesive force of the upper and the lower PDMS. The shape of the raised column microstructure is polyhedron or cylinder; each column microstructure contacts with the side of one or more column microstructures of another layer by the side; the top of each column microstructure of a certain layer contacts with the bottom of another layer.

The invention discloses a double-regular-tetrahedron superimposed symmetrical coupling mechanism with single-freedom-degree movement. The technical scheme of a symmetrical coupling mechanism with single-freedom-degree movement is adopted on the basis of the characteristic that a frame is composed of regular polyhedron structures. According to the characteristics of geometric elements forming regular polyhedrons, two regular tetrahedrons which are of the completely-same structure size are selected, regular triangular faces included in the two regular tetrahedrons are selected to coincide with each other, and a new space polyhedron is obtained. The mechanism is simple and symmetrical in branch structure, the whole mechanism framework is obtained by coupling and connecting a base of a regular triangular component form and a movable platform of a regular triangular component form through regular quadrilateral joint components and two pairs of rod components on the basis of the space polyhedron structure obtained by combining the two regular polyhedrons, the straight line connecting the geometric centers of the base and the movable platform is used as the symmetry axis of the whole mechanism, earlier-stage assembling and later-period maintenance are easy and convenient, and good application prospects are achieved.

An ion generating unit is made compact, yet avoids the undesired arc discharge for successfully generating the ions. The ion generating unit includes a dielectric base having a length and carrying a needle electrode and a ground electrode. The needle electrode has a pointed tip and is adapted to receive a high electric voltage relative to the ground electrode for electrically charging particles present in the surrounding air. The dielectric base being a polyhedron having multiple faces including a first face and a second face which are different from each other and have the length of the dielectric base. The needle electrode is mounted on or in a closely adjacent relation to the first face, and has its pointed tip directing forwardly along the length of the dielectric base with the pointed tip receded from the front end of the base. The ground electrode is mounted at the front end of the base in longitudinally spaced relation with the pointed tip. The ground electrode include anchor ends only by which the ground electrode is secured to the base. The anchor ends are fixed to the second face of the base, but not to the first face. Thus, the creepage distance between the electrodes extends over the first face and also the second face of the dielectric base, thereby being given an elongated distance relative to the air path between the electrodes for successfully generating the ions.