39results about How to "Small pressure" patented technology

A device for verifying occlusion of the fallopian tube in a female subject includes an elongate gas delivery member having a lumen disposed therein, the elongate gas delivery member adapted for sealing engagement with the subject's uterus. The device includes a pressurized insufflation gas source coupled to the elongate gas delivery member, the insufflation gas source being in communication with the lumen of the elongate gas delivery member. The insufflation gas may includes for example, carbon dioxide. In one aspect, the device includes a pressure sensor or gauge to measure intra-uterine pressure to verify occlusion of the fallopian tube(s). In another aspect, the flow rate of insufflation gas into the uterus may be measured using a flow meter to verify occlusion of the fallopian tube(s).

A technique for forming an organic polymer thin film on a surface of a substrate with high film formation efficiency and excellent reproducibility and stability is provided. When a vacuum deposition polymerization for forming an organic polymer thin film is performed on a surface of a substrate 12 repeatedly, in which a plurality of kinds of monomers evaporated in a plurality of evaporation source containers 32a, 32b in vacuum state are introduced into a deposition chamber 10 in a vacuum state and polymerized on a surface of the substrate 12 arranged in the deposition chamber 10, each of the monomers in a liquid form is present in the evaporation source containers 32a, 32b in a constant amount every time, at the beginning of the evaporation operation of monomers.

The invention relates to a method for forming a grating for machine tool measurement in a two-step solidifying rolling pressing forming manner, which comprises the following steps: 1) coating an ultraviolet light solidifying adhesive layer on a grating blank substrate; 2) manufacturing a rolling mould having a prototype grating structure on the surface of a cylindrical mould, making an alignment mark, and polishing and performing low surface energy treatment on the surface of the rolling mould; 3) coating a flexible film on the adhesive layer on the grating blank substrate, carrying out primary exposure and peeling the film; 4) comparing the alignment mark on the grating blank substrate with an acquired alignment mark image on the surface of the rolling mould, adjusting and calibrating; 5) gluing the rolling mould with the grating, applying a pressing force, and compounding the prototype grating structure on the surface of rolling mould on the adhesive layer on the surface of the substrate; 6) carrying out exposure on the compounded ultraviolet light solidifying adhesive layer; and 7) collecting and packaging the grating. According to the method, the required pressing force is small, and thus, the substrate deformation and stress concentration are avoided. The method has high production efficiency and can be used for realizing the mass production of the grating for large-area and altitude machine tool measurement.

The invention provides a combined type body posture pad for operation, and belongs to a body posture fixing device. The combined type body posture pad for operation comprises a head fixing member, a cervical vertebra holder and a shoulder pad, wherein the head fixing member, the cervical vertebra holder and the shoulder pad are made of polyurethane gel, the head fixing member if of a circular shape, the hollow part of the head fixing member corresponds to a cranium occipitalia, the bottom of the cervical vertebra holder is planer, the top of the cervical vertebra holder is of a cambered surface, a concave holding surface is arranged on the top center of the cervical vertebra holder, and the shoulder pad is cylindrical. An aseptic cover is arranged on the external of each of the head fixing member, the cervical vertebra holder and the shoulder pad. The combined type body posture pad, when used in a body posture placing process for an anterior cervical operation, has the advantages of being convenient for use, being firm for fixing a neck portion and being light in skin compression. The comfort level and operation convenience for a surgeon are improved.

A shower head with rotary bottom cover assembly includes a water passage member with a third inlet and an outlet chamber communicating with each other, a rotator mounted inside the outlet chamber and having a first rotator inlet, a first outlet and a diverting channel, a rotator cover, a bottom cover assembly. The first rotator inlet is mounted inside the third inlet of the water passage member and communicates with a center portion of the diverting channel. The diverting channel has two second outlets formed on two ends thereof and oppositely located. The rotator cover hermetically covers and seals the outlet chamber and has a hole for an outlet hose to be mounted through. A top of the outlet hose is connected with the center portion of the diverting channel. A bottom of the outlet hose engages the bottom cover assembly. The water head is structurally simple and has massaging effect.

The invention discloses a laser heating roller type micro-imprinting device. The laser heating roller type micro-imprinting device comprises a frame, a supporting and conveying mechanism, a laser device, a transparent mold, a transparent roller and a rolling gap adjusting mechanism; the transparent roller is rotatably arranged at the lower end of the rolling gap adjusting mechanism; the laser device is arranged above the transparent roller; a central rotating shaft of the transparent roller and the conveying direction of the supporting and conveying mechanism are perpendicular to each other; the transparent roller acts on the surface of the transparent mold; a rolling gap is formed between the transparent mold and the supporting and conveying mechanism; materials are placed at the rollinggap; and laser beams emitted by the laser device sequentially pass through the transparent roller and the transparent mold to act on the materials. According to the laser heating roller type micro-imprinting device, impressing force is reduced through the near-linear contact between the transparent roller, the transparent mold and the materials, the molding stability and the molding precision of the materials are improved by adopting a laser non-contact mode to heat micro-forming areas on the surfaces of the materials; and a traditional rolling process is combined with a plane impressing process, and the imprinting efficiency is improved.

The invention relates to a multifunctional combined carrying system, which is respectively provided with a first combination strap and a second combination strap. Each of the first combination strap and the second combination strap comprises a strap, load connecting mechanisms, a shoulder pad, a waist belt and a waist belt plug connector. The waist belt plug connectors of the first combination strap and the second combination strap are fastened to each other. The multifunctional combined carrying system is further provided with a first bag hanging carrier and a second bag hanging carrier. Waist belt plug connectors of the first bag hanging carrier and the second bag hanging carrier can be mutually fastened to the waist belt plug connectors of the first combination strap and the second combination strap. The first combination strap and the second combination strap are suitable for double-shoulder carrying. One combination strap can be used with one bag hanging carrier for single-shoulder crossover carrying. The waist belts can be used around a waist for fastening the load. One bag hanging carrier can be used for carrying the load with a single hand. The multifunctional combined carrying system can be used for long-term carrying of any load, is suitable for hikes or journeys on vehicles under various difficult conditions, and is effective.

The invention discloses a glass bottle label and a manufacturing method thereof. The glass bottle label comprises a stained paper bottom layer and a patterned layer positioned on the stained paper bottom layer, the patterned layer comprises a white pigment layer, patterns and a transparent pigment layer, the patterns are positioned between the white pigment layer and the transparent pigment layer, and the outermost layer of the label is a tearable film. The manufacturing method includes: printing the white pigment layer or the transparent pigment layer on the stained paper bottom layer, printing the patterns on the white pigment layer or the transparent pigment layer, printing the transparent pigment layer, and finally printing the tearable film on the outermost layer of the label to obtain the glass bottle label. The glass bottle label overcomes defects of high cost, many printing procedures, incapability of seeing patterns in bottles and poor beautifulness, and is low in cost, few in printing procedure, capable of seeing the patterns even in the bottles, good in beautifulness and high in three-dimensionality.

The invention discloses a method for manufacturing a well casing. The method comprises that: a concrete mixture is evenly put into or poured into a rotary well casing mould through openings at two ends of the well casing mould; and an iron roll is put into a port of the rotary well casing mould to roll the concrete mixture in the well casing mould repeatedly, and the concrete mixture is compacted. The method for manufacturing the well casing has the advantages of simple operation, high concrete strength, little damage to a body of the well casing, and high integrated intensity of the manufactured well casing.

The invention provides a personalized skull defect protection device and a preparation method. The protection device comprises a cap body and a 3D printing protection support matched with a damaged part of a patient, the 3D printing protection support is provided with a smooth contour edge and can cover a skull defect part of the patient, the outer side of the 3D printing protection support is wrapped with a connecting cover, and the side, away from the damaged part of the patient, of the connecting cover is connected with the inner side of the cap body. Due to the arrangement of the personalized 3D printing protection support, the defect part can be substantially protected. The preparation method comprises the following steps: reconstructing a three-dimensional computer image of the headof a patient according to three-dimensional data of the head of the patient to obtain a three-dimensional computer image of a defect part of the patient, extracting a curved surface of the three-dimensional computer image of the defect part, reconstructing a protection support computer three-dimensional model according to the curved surface, and printing a solid body of the protection support in a3D mode so that the protection support matched with the defect portion of the patient is obtained, recovery of head defects of the patient is facilitated, and comfort of the patient is improved.

A deformation measurement sensor for measuring pressures and shearing forces according to the present invention includes: a plurality of beams shaped like a lattice; a strain gauge attached to each of the plurality of beams for measuring a deformation rate; a frame connected to the end of the lattice shape for surrounding the plurality of beams; and holes for arranging lines and formed in the intersections of the plurality of beams, whereby it is possible to precisely measure the deformation rate depending on the pressures or shearing forces exerted to a plurality of areas.

The invention relates to a floating type surface cleaning roller for a metal belt material, a strip steel rolling system adopting the floating type surface cleaning roller for the metal belt materialand a usage method of the floating type surface cleaning roller for the metal belt material. The cleaning roller comprises a roller seat and a flexible floating roller, wherein the roller seat is connected with a driving mechanism used for driving the roller seat to approach or be far away from a metal-belt-material running passage; the bottom of the roller seat is provided with a floating groove;the width of a groove opening of the floating groove is less than the diameter of the floating roller; the floating roller can be held in the floating groove and further the bottom end of the floating roller is located outside the floating groove, so as to be in contact with the surface of the metal belt material; a gas charging cavity is enclosed and formed by the floating roller and the groovewall of the floating groove; the roller seat is provided with a gas charging passage communicated with the gas charging cavity. The pressure of a gas in the gas charging cavity can uniformly act on the total length of the floating roller; the pressure and tension distribution in the width direction of the metal belt material is not influenced; when the surface of the metal belt material is uneven,the floating roller can generate different extrusion deformation along the axial direction of the floating roller; a cleaning blind area can be effectively overcome and the metal belt material is better cleaned.

The invention discloses a positioning supporting device for a wheel letter press. The positioning supporting device comprises a fixed core mechanism for positioning a wheel hub, a rotating mechanism for driving the fixed core mechanism to rotate and a supporting mechanism, wherein the supporting mechanism is mounted on a lower beam of the letter press; one end of the rotating mechanism is connected on the supporting mechanism; and the fixed core mechanism is connected at the other end of the rotating mechanism. To realize function needs of the letter press, the positioning supporting device disclosed by the invention can meet positioning needs of different hub-hole wheels, also can drive the wheels to rotate to meet needs of letter pressing positions in the peripheral direction of the wheels. The positioning supporting device disclosed by the invention realizes that the wheel letter press adopts a single letter pressing mode, is small in needed pressing-printing force, is simple in structure, is compact and reasonable in configuration, is high in degree of automation, is less in investment, is low in operation and maintenance cost, is convenient in operation, is reliable in operation, improves production space, reduces production cost, and improves market competition of wheel products. The invention further discloses a using method of the positioning supporting device for the wheel letter press.