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1652results about How to "Not easy to break away" patented technology

Artificial chordae tendineae and artificial chordae tendineae implanting system

The invention discloses artificial chordae tendineae and an artificial chordae tendineae implanting system. The artificial chordae tendineae comprises a flexible chordae tendineae main body, wherein the first end and / or the second end of the chordae tendineae main body are / is connected with a fixing element; and a puncture connecting element is arranged at one side, backing to the chordae tendineae main body, of the fixing element. The artificial chordae tendineae implanting system comprises a clamping device, a puncture device and a pushing device, wherein the pushing device comprises a pushing guide pipe; the puncture device and the clamping device are arranged in different inner cavities of the pushing guide pipe in a penetrating way; the clamping device comprises a clamping push rod, afar end clamp head and a near end clamp head; the near end clamp head is arranged at the far end of the pushing guide pipe; the far end clamp head is arranged at the far end of the clamping push rod;the artificial chordae tendineae is accommodated in the clamping device; the fixing element of the artificial chordae tendineae corresponds to a puncture needle head; the puncture device comprises the puncture needle head and a puncture push rod; the puncture push rod is connected with the near end of the puncture needle head; and the far end of the puncture needle head is a cone-shaped straightsharp end. The artificial chordae tendineae and the puncture needle head form stable connection; the puncture point is small; the injury on valve leaflets is reduced; and the operation time is reduced.
Owner:HANGZHOU VALGEN MEDTECH CO LTD

Flexible MEMS resistance reducing covering and method of manufacturing the same

The invention discloses a flexible MEMS resistance-reducing skin and a manufacturing method thereof used for reducing skin friction resistance during the advancing of on-water or underwater vehicles, which employs micro-fine resident bubbles to reduce resistance and belongs to the fields of micro-machinery and fluid dynamics. The upper surface of the skin is a surface layer coated with micro-pit arrays and processed by surface soakage; electrolytic anodes and cathodes of comb-shaped micro-fine planar metal, which are attached on an insulating layer, are arranged at the bottom of the micro-pits; a flexible substrate is positioned below the insulating layer; wire leading terminals for electrodes are arranged on the lower surface of the skin; and both the surface layer and the substrate are made by flexible materials. The overall thickness of the resistance reducing skin is at sub-millimeter level, and the skin is in the status of flexible film. The manufacturing method is an MEMS micro machining technique compatible with the flexible MEMS technology. The flexible MEMS resistance-reducing skin is coated on the outer surfaces of the on-water or underwater vehicles, with power thereof supplied by the on-water or under-water vehicles. Micro-bubbles stably residing in the micro-pits are formed by water electrolysis reaction to coat most parts of the surfaces of the on-water or under-water vehicles, thus realizing the function of reducing skin friction resistance.
Owner:WUXI RES INST OF APPLIED TECH TSINGHUA UNIV +1

Location-based-service-based community and surrounding information communication system and method

The invention discloses a location-based-service-based community and surrounding information communication system and a location-based-service-based community and surrounding information communication method. Convenient and real community surrounding living service information is provided for community residents, a highly-efficient and stable resident communication channel is provided for community managers, and a comprehensive, normative and clearly-directional information communication tool is provided for resident-oriented service providers surrounding a community. The technical scheme is that: the system comprises mobile equipment, a local community wireless information service platform, a wireless node or base station and an authentication service module, and sets the system login identity of each of the residents, the community and the surrounding service providers. The residents acquires positioning data by the mobile equipment, and are connected to the local community wireless information service platform by a wireless network, so that the community and the surrounding service providers can conveniently provide service information thereof in communication activities with the residents, and can transmit the information according to the different locations of the residents in real time.
Owner:SHANGHAI JEITU SOFTWARE

Foldable bearing saddle of steel coil transportation container

The invention provides a foldable bearing saddle of a steel coil transportation container. The foldable bearing saddle comprises a supporting seat and at least one pair of V-shaped brackets arranged on the supporting seat, each V-shaped bracket comprises a bearing beam and a supporting beam, first rotating shafts and second rotating shafts are arranged on the supporting seat, the bottom end of each bearing beam is hinged to the supporting seat through the corresponding first rotating shaft, and the bottom end of the supporting beam is hinged to the supporting seat through the corresponding second rotating shaft. The top end of each supporting beam is matched with the top end of the corresponding bearing beam in an inserted connection manner, and each bearing beam and the corresponding supporting beam are in the shape of an inverted V. The bearing beams of each pair of V-shaped brackets are arranged oppositely to form a V-shaped clamping bracket. The V-shaped clamping brackets can play a role in limit on rolling of columnar cargos, when ordinary dry cargos such as briquettes, bagged bulk cargos and the like are transported, the bearing beams are rotated clockwise to enable the supporting beams to retreat from bearing beam insertion grooves, then the supporting beams are rotated clockwise to horizontal positions, the bearing beams are rotated anticlockwise to the horizontal positions, the upper plane of each bearing beam is flush with the upper plane of the supporting seat, and transportation requirements of ordinary dry bulk cargos are met; the foldable bearing saddle is easy to turn over and operate, less prone to separation and high in reliability.
Owner:CRRC QIQIHAR ROLLING CO LTD

Submerged plant modularized growth bed and method for recovering growth of underwater submerged plant

The invention provides a submerged plant modularized growth bed and a method for recovering growth of underwater submerged plants. The submerged plant modularized growth bed comprises suspended solids, planting layers, plant layers, a growth substrate layer, a bearing layer and balance weight facilities, the submerged plant modularized growth beds are mutually connected to form an entire piece, micropores are formed in the bearing layer so that roots of the plants can penetrate through, the growth substrate layer adopts planting soil, the periphery of the planting layer is fixedly connected with the periphery of the bearing layer, the planting layers and the bearing layer wrap the growth substrate layer, the suspended solids are fixedly arranged around the submerged plant modularized growth bed, each suspended solid is hollow and is filled with air, and the balance weights are fixedly arranged at the lower end portion of the suspended solids to keep the depth of the modularized growth bed suspending on the water surface. The submerged plant modularized growth bed is reasonable in design, compact in structure, simple to manufacture, low in cost, simple to operate and convenient to manage, and the submerged plant modularized growth bed is degraded along with the growth of the underwater submerged plants, is free of pollution, protects the environment, is wide in application range, is widely popularized conveniently, and is favorable for recovery of the underwater submerged plants in different water areas.
Owner:TIANJIN WATER RESOURCES RES INST

Multifunctional intelligent invisible orthodontic braces and making method thereof

The invention discloses a set of multifunctional intelligent invisible orthodontic braces and a making method thereof. The set of multifunctional intelligent invisible orthodontic braces comprises an upper brace, a lower brace and chips, wherein the upper brace and the lower brace each comprise an inner soft layer and an outer hard layer; the inner soft layers fit to the peripheries of teeth; the outer hard layers cover the outer side faces of the inner soft layers; the chips are arranged on the outer side faces of the outer hard layers or between the inner soft layers and the outer hard layers; and monitors, which are used for detecting wearing time length, are arranged in the chips. The set of the multifunctional intelligent invisible orthodontic braces that the inner soft layers are arranged in the outer hard layers has the advantages that the set of braces is of a double-layer structure which is soft inside and hard outside, so that a better fitting performance with teeth is guaranteed and adsorption force of the braces to the teeth is enhanced; by virtue of the inner soft layers which can take a cushioning effect for occlusion of upper and lower teeth, the braces can be protected from getting damaged easily; by virtue of the inner soft layers which are elastic, the braces can be worn conveniently; by virtue of the built-in chips which have a monitoring function, wearing duration of a patient can be monitored; and through the elastic inner soft layers, abrasion between the teeth and the braces can be effectively reduced, so that service life of the braces is prolonged.
Owner:GUANGZHOU FAN YU MEDICAL TECH CO LTD

End effector mechanism of micro surgical instrument

ActiveCN105212987AIncrease wrap angleIncrease the equivalent allowable strengthSurgical forcepsFiberWrist
The invention discloses an end effector mechanism for a micro surgical instrument. The end effector mechanism comprises an interface board unit connected with a driving device, a carbon fiber tube connected with the interface board unit and adopting a hollow structure, an instrument tong head unit mounted at the far-end part of the carbon fiber tube and a plurality of wire cables used for controlling the instrument tong head unit to act according to preset commands, wherein the instrument tong head unit comprises a support part, a left side tong head, a right side tong head, a guiding wheel set and a wrist part guiding wheel set, a pair of second connecting arms are symmetrically arranged at the top of the support part, the left side tong head and the right side tong head are hinged to the second connecting arms in a crossed manner, the guiding wheel set and the wrist part guiding wheel set are symmetrically mounted in the middle and at the lower part of the support part; and an eccentric balance wheel groove is formed in the side wall of the lower part of the support part. The end effector mechanism can effectively increase both the accommodating space and the diameters of the guiding wheels, so that the winding wrap angles of the wire cables on the guiding wheels are correspondingly increased, accordingly, the equivalent allowable strength of the wire cables is improved, and the service lives of both the wire cables and the micro instrument are prolonged.
Owner:HARBIN SIZHERUI INTELLIGENT MEDICAL EQUIP CO LTD

Speed reducing shaft clutch for washing machine

The invention relates to a speed reducing shaft clutch for a washing machine. The clutch is provided with a driving shaft and a driving shaft sleeve, wherein the driving shaft is provided with a secondary driving shaft and a transmission shaft which are coaxially arranged in the vertical direction; the secondary driving shaft is connected with a drive motor; a planet wheel component is arranged on the outer side of the secondary driving shaft, and is provided with a planet wheel retainer, a planet wheel which is arranged on the planet wheel retainer and is engaged with the secondary driving shaft and a planet wheel outer gear ring which is arranged on the outer ring of the planet wheel and is engaged with the planet wheel; the planet wheel outer gear ring is connected with the transmission shaft; a tooth-shaped clutch ring is sleeved on the outer side of the planet wheel outer gear ring, is in spline fit with the planet wheel outer gear ring and is in sliding connection with the planet wheel outer gear ring in the vertical direction; a slotted gear is arranged at the lower end of the tooth-shaped clutch ring; a slot disc which is fixedly connected with the secondary driving shaft is arranged below the tooth-shaped clutch ring; a slot which is matched with the slotted gear at the lower end of the tooth-shaped clutch ring is formed on the slot disc; and an electromagnetic coil is arranged above the tooth-shaped clutch ring. The speed reducing shaft clutch can be suitable for a high-rotating-speed motor, has a compact structure, a reasonable design and high practicability and is accurately controlled.
Owner:CHANGZHOU XINYA ELECTROMOTOR

Control method of collision-prevention electronic device

The invention provides an anti-collision electronic device control method, which relates to the field of electronic devices. The anti-collision electronic device control box includes a fixed plate, the four corners of the bottom of the fixed plate are fixedly equipped with connection blocks, the bottom of the connection block is fixedly connected with the top of the first pressure rod, and the top of the first pressure rod The bottom end passes through the first shock absorber and extends to the inside of the first shock absorber to be fixedly connected with the top of the first pressure block. The anti-collision electronic device control box drives the second splint to clamp and fix the front and back of the box body through the second shock absorber, and drives the first splint to clamp and fix the left and right sides of the box body through the screw rod, so that the box body Reliably fixed, through the buffering and shock absorption of the first shock absorber and the buffer, the fixed plate drives the box body to move along the surface of the guide rod, thereby effectively cushioning the box body and making it difficult for the box body to detach from the base, thereby The electronic devices inside the protective box are not easily damaged, which effectively reduces the cost of use.
Owner:石国华
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