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52results about How to "Reduced risk of displacement" patented technology
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Neuro-intervention head-neck fixing device
ActiveCN107080592AReduced risk of displacementGood curative effectOperating tablesAmbulance serviceCurative effectEngineering
The invention discloses a neuro-intervention head-neck fixing device. A head fixing plate can be movably installed on a supporting plate, a left splint is movably installed at the upper portion of the left side of the head fixing plate, a right splint is movably installed at the upper portion of the right side of the head fixing plate, a first tightening device and a second tightening device are both installed at the left side of the left splint in a front-back spaced mode, both the first tightening device and the second tightening device comprise shells, guide rods, slide rods, ratchet bars, and ratchets, a lifting device controls the slide rods to move up and down, the slide rods are slidably connected with slide blocks, the slide blocks are rotatably connected with connecting rods, the lower portions of manipulating rods are rotatably connected with the connecting rods, the ratchet bars are in slidably connected with the guide rods, the rackets are arranged at the lower portions of the slide blocks and are matched with the racket bars, the lower portions of the racket bars are fixedly connected with winch racks, the lower portions of the winch racks are meshed with winch gears, and shafts of the winch gears are provided with winches. The neuro-intervention head-neck fixing device is high in safety and reliability, the risk of occurrence of head dislocation of a patient in a neuro-interventio operation is drastically lowered, which is conducive to improvement of the curative effect of the operation.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
External-use medical ointment for bone fracture
InactiveCN101496875AFlexible applicationEasy to checkAerosol deliveryOintment deliveryParenchymaDressing change
The invention relates to a bone injury ointment for external use, which is applied to treating human body bone fractures and parenchyma contuses and sprains. The bone injury ointment is prepared from drug loose powder added with honey according to a weight ratio of 1:1.7-2.0, wherein the drug loose powder and the honey are mixed evenly, and the drug powder is prepared by evenly mixing the following components in portion by weight: 8 to 11 portions of radix angelicae powder, 3 to 7 portions of rhubarb powder, 8 to 11 portions of gardenia powder, 3 to 7 portions of frankincense powder, 3 to 7 portions of radix paeoniae rubra powder, and 3 to 7 portions of safflower powder. The bone injury ointment has the advantages of flexible drug application, more convenient examination and observation of state of illness, simple and convenient dressing change to reduce replacement risk, quick pain alleviation, detumescence and callus growth, greatly reduced pains for patients, wide range of drug resources, and the like.
Owner:林炳堂
Embedding nanoparticles in thermoplastic polymers
ActiveUS20140220091A1Reduce riskReduces amount of nanoparticlesMaterial nanotechnologyBiocideNanometreSurface layer
The present invention relates to a polymeric material having one or more nanoparticles embedded within the surface layer of a single side of the material. In some embodiments, the nanoparticles are microbiocidal nanoparticles which impart antimicrobial characteristics to the polymeric material within which they sprayed and pushed by are embedded.
Owner:UNIVERSITY OF LIMERICK
Secondary battery
InactiveCN106450052AImprove securityReduced risk of displacementCurrent conducting connectionsSmall-sized cells cases/jacketsInternal pressureElectricity
The invention relates to a secondary battery. The secondary battery comprises an electrode assembly, a top cover piece, a first terminal and a second terminal. The electrode assembly comprises a first pole piece and a second pole piece, the first pole piece is electrically connected with the first terminal, the second pole piece is electrically connected with the second terminal, and at least one of the first terminal and the second terminal is arranged on the top cover piece in an insulating mode. The secondary battery further comprises a conductive piece and a contact piece attached to the first terminal. The conductive piece comprises a first part and a second part which are connected. The first part is electrically connected with the second terminal. When the internal pressure of the secondary battery exceeds a standard pressure, the contact piece acts under the action of air pressure and makes contact with the second part so that an electric connection path passing through the first pole piece, the first terminal, the contact piece, the conductive piece, the second terminal and the second pole piece can be formed, and the second part is arranged to be fixed relative to the top cover piece. The secondary battery reduces the risk of displacement generated by the conductive piece under the action of contact force, and safety of the secondary battery is improved.
Owner:CONTEMPORARY AMPEREX TECH CO
Refuse intercepting device for wetland
The invention discloses a refuse intercepting device for a wetland. The refuse intercepting device for the wetland comprises a base; positioning rods are arranged on the two sides of the base; fixingrods are arranged below the base; stones are arranged in the base; a conical head is arranged at the lower end of each positioning rod; auxiliary rods are arranged on each positioning rod in an inclined manner; a soft net is arranged above the base; a hard net is arranged above the soft net; a floating block is arranged above the hard net; floating rods are arranged on the two sides of the hard net and the floating block; a chute is formed in each positioning rod; each floating rod extends into the corresponding chute; a positioning block is arranged below each floating rod; an intercepting frame is arranged above the floating block; a frame is arranged on each of the two sides of the intercepting frame; and each frame is fixedly connected with the corresponding floating rod. According tothe refuse intercepting device for the wetland, the fixing capacity of the positioning rods can be enhanced by arranging the base and the fixing rods, so that the equipment can work stably in water.
Owner:方涛
Biological kit with double damping functions
InactiveCN108996047ARealize the shock absorption effectAct as a shock absorberContainers to prevent mechanical damageDamagable goods packagingDamping functionGas-filled tube
The invention discloses a biological kit with double damping functions. The biological kit comprises a kit body, a damping mechanism and a cover body, wherein a bottom plate of the kit body is of a multilayer structure formed by an upper layer, an elastic middle layer and a lower layer from top to bottom, and grooves are uniformly formed in the upper surface of the upper layer line by line; the damping mechanism comprises elastic protective layers, an elastic gas tube and an inflatable balloon, the elastic protective layers are attached to the inner sides of side plates, air inlets are formedin the inner surfaces of the elastic protective layers on the two adjacent side plates row by row, air outlets are correspondingly formed in the elastic protective layers opposite to the elastic protective layers with the air inlets, both ends of the elastic gas tube are respectively connected with the air inlets and the air outlets, air inlet ports and air outlet ports are formed in the side plates, the air outlet ports communicate with air in the air outlets, and the inflatable balloon is connected with the air inlet ports. According to the biological kit, the anti-vibration capability of the biological kit is increased, and the damage caused by mutual collision of reagents in the kit body can be avoided when the biological kit vibrates, so that the transportation requirement of biological reagents is reduced, and the safe transportation of the reagents is guaranteed.
Owner:牛静洁
Ingestion body posture adjusting wheelchair used for dysphagia patients
InactiveCN106176068AOptimal feeding positionImprove nutritional statusWheelchairs/patient conveyanceWheelchairVehicle frame
The invention provides an ingestion body posture adjusting wheelchair used for dysphagia patients. The ingestion body posture adjusting wheelchair comprises a wheelchair frame, a backrest mechanism, a seat mechanism and a foot support mechanism, wherein the backrest mechanism comprises a backrest frame, safety protection boards on the left and right sides, a headrest and a backrest inclined air cylinder; the seat mechanism comprises a seat cushion frame and a seat cushion rotation air cylinder; the foot support mechanism comprises a foot support frame, a pedal, left and right leg baffles and a foot support lifting air cylinder; the seat cushion frame is rotatably connected with the backrest frame, the foot support frame is rotatably connected with the seat cushion frame, and the seat cushion frame is rotatably connected with the wheelchair frame. With the ingestion body posture adjusting wheelchair, patients can be subjected to multi-part (back lateral pitching composite posture and leg inclining posture) and multi-angle body posture adjustment on the wheelchair, so that the ingestion body posture adjustment requirements of the different dysphagia patients can be satisfied.
Owner:UNIV OF SHANGHAI FOR SCI & TECH
Mosaic tile sticking and jointing integrated binder mosaic tile glue and preparing method thereof
ActiveCN105384396ASimple construction methodShorten construction timePolymer scienceHigh wear resistance
The invention discloses mosaic tile sticking and jointing integrated binder mosaic tile glue and a preparing method thereof and belongs to the technical field of building materials. The mosaic tile sticking and jointing integrated binder mosaic tile glue not only can meet the requirement for high bonding strength, but also can meet the requirements for high wear resistance and low water absorption of a joint mixture. According to the technical scheme, the mosaic tile sticking and jointing integrated binder mosaic tile glue is prepared from 20-50% of cement, 10-60% of fine sand, 5-30% of dolomite dust, 0.1-0.5% of HPMC, 0.1-1% of thixotropy lubricant, 1-5% of polymer dispersion powder, 0.1-1% of water repellent and 0.1-1% of early strength agent, and the total percentage is 100%.
Owner:广州协堡建材有限公司
Postcaval filter
ActiveCN110731832AReduce axial playReduce breakageBlood vessel filtersInferior vena cava filterThrombus
The invention relates to a postcaval filter. The postcaval filter comprises a supporting piece and a filtering piece, and the supporting piece is made of a degradable first material and is of a net-pipe-shaped structure with the two ends large and the middle small. The filtering piece is made of a degradable second material and comprises a first filtering part, a condensation part and a second filtering part which are connected in sequence, the cross section of an inner cavity of the first filtering part is gradually reduced in the direction from the first opening end to the condensation part,and the cross section of an inner cavity of the second filtering part is gradually reduced in the direction from the second opening end to the condensation part. No matter which direction blood flowpasses through, the blood flow needs to pass through the first filtering part and the second filtering part, mechanical blocking on thrombus is effectively achieved, thrombus is finally gathered at the position of the condensation part, and the thrombus capture rate is high.
Owner:上海发微医用材料有限公司
Embolism protection device
PendingCN112022426AReduced risk of displacementReduce the possibility of leaksBlood vessel filtersEmbolic Protection DevicesEmbolus
The invention relates to an embolism protection device. The embolism protection device comprises a conveying guide wire and a filter screen. The filter screen is arranged on the conveying guide wire and comprises a mesh basket formed by weaving metal wires, the mesh basket comprises a near-end section, a far-end section and a middle section connected with the near-end section and the far-end section, the near-end section is of an opening structure, the far-end section is of a closing structure, the middle section is of a cylindrical structure, the near-end section and the far-end section are connected with the conveying guide wire, a projection of the mesh basket on a plane perpendicular to the extending direction of the conveying guide wire comprises a first inclined edge, a first connecting edge, a second inclined edge and a second connecting edge which are connected in sequence, the first connecting edge is parallel to the second connecting edge, and the length of the first connecting edge is 1 / 4-1 / 3 of that of the second connecting edge. The contact area of the embolism protection device and the blood vessel wall is relatively large, so that the risk of displacement under bloodflow is reduced, and the possibility of embolus leakage is reduced.
Owner:CONLIFE MEDICAL SCI (SHENZHEN) CO LTD
Preparation of rapid forming die of individualized airway stent based on 3D printing
InactiveCN106671420AReduced risk of displacementInhibit hyperplasiaAdditive manufacturing apparatusManufacturing data aquisition/processingAnatomical structuresPersonalization
The invention discloses a preparation method of a rapid forming die of an individualized airway stent based on 3D printing. According to the method, a three-dimensional numerical model of the airway wall of a patient is rebuilt through medical image processing software based on CT scanning images of the chest of a patient, the rapid forming die of the individualized airway stent is designed out according to the model, and the rapid forming die is prepared through the 3D printing technology. Due to the fact that a standard batched production manner is adopted for existing commercial airway stents, the airway stents cannot reflect individual differences of airways of different patients. By means of the preparation method, the airway stent capable of reflecting individual differences of airway anatomical structures of different patients can be prepared; the airway stent is more attached to the airway of the patient, the risk of displacement of the patient is lowered, and excessive hyperplasia of airway granulation tissues can be inhibited; and meanwhile, defects that an existing commercial stent production process procedure is complex, high in cost and the like are well overcome.
Owner:CHANGZHOU UNIV
Stent for TIPS
The invention relates to a stent for TIPS. The stent is characterized by comprising a tectorial membrane framework, elastic self-expanding frameworks and a precious metal ring, wherein the tectorial membrane framework is made by laser engraving, is of a tubular structure capable of shrinking along the radial direction, and comprises a support bone and a covering membrane; the elastic self-expanding frameworks are formed by mutual cooperation of metal wires and are of taper-pipe-shaped structures capable of contracting in the radial direction. The two elastic self-expanding frameworks are located at the two ends of the tectorial membrane framework respectively and connected with the tectorial membrane framework through precious metal. The large-diameter end of each elastic self-expanding framework is designed to face outwards, and the small-diameter end of the elastic self-expanding framework is designed to face the tectorial membrane framework. The stent is manufactured by adopting a method of end braided wire self-expanding and middle part engraving; when the stent is released, the required application force is smaller, the risk of stent displacement is lower, the operation is more convenient, and the operation effect is better; and meanwhile, the cost of the stent is reduced by adopting a weaving and carving combined mode, and the production process is simplified.
Owner:天琴特普新医疗科技(苏州)有限公司
Hold down assembly, with tubular container transport apparatus and methodology incorporating the same
InactiveUS6926132B1Reduce riskEasy constructionPackagingConveyor partsEngineeringMagnetic interaction
A hold down assembly for use in a tubular container transport apparatus comprises upper and lower pieces movably mounted relative to one another. Preferably the lower piece is removably seated on a mounting plate of the transport apparatus and the upper piece is adapted to magnetically interact with a tube holder carrying a filled tube product, such that the tube holder may be retained in registered alignment relative to an ejector rod during ejection of the filled tube product. A tubular container transport apparatus and a methodology for ejecting a filled tube product with a reduced risk of dislodgement are also provided.
Owner:REAGENT CHEM & RES
Mobile debugging workbench for computer server room
ActiveCN113068925AEasy to moveStable supportOffice tablesExtensible tablesSoftware engineeringServer room
The invention relates to a mobile debugging workbench for a computer server room. The mobile debugging workbench comprises a mounting seat, a supporting plate is fixedly mounted on one side of the top of the mounting seat, a first workbench is arranged on the left side of the supporting plate, an obliquely arranged display screen is fixedly mounted on the top of the left side of the supporting plate, an obliquely-arranged U-shaped push rod is fixedly installed at the bottom of the right side of the supporting plate, a height adjusting mechanism and a rolling wheel storage mechanism matched with the height adjusting mechanism are arranged on the mounting seat, and an area increasing and expanding mechanism is arranged on the supporting plate. The mobile debugging workbench is reasonable in design; the whole device is convenient to move, four walking wheels are convenient to store, the parking stability is improved, and the risk of displacement of the whole device in the using process is reduced; the heights of the first workbench and a second workbench are convenient to adjust according to using requirements, so that people of different heights can operate and use the device conveniently; and the area of the workbench can be increased and adjusted conveniently, and people can operate the workbench conveniently.
Owner:HENAN MEDICAL COLLEGE
Structure laser with support barrel
ActiveCN106207719AImprove reliabilityExtended service lifeLaser constructional detailsEngineeringRelative slip
The invention relates to the field of lasers, in particular to a structure laser with a support barrel. The laser comprises a reservoir pipe, a water-cooling pipe and a discharge tube, wherein a reflecting lens is arranged at one end of the reservoir pipe and an output lens is arranged at the other end of the reservoir pipe; the water-cooling pipe is sleeved with the reservoir pipe; the discharge tube is sleeved with the water-cooling pipe; two ends of the water-cooling pipe and the discharge tube are in closed connection separately; and a support barrel structure sleeves outside the water-cooling pipe and elastically supports the water-cooling pipe in the water-cooling pipe. By the laser, on one hand, the direct alignment accuracy of the reflecting lens and the output lens is ensured to improve the output quality of a laser beam; and on the other hand, the risk of relative slippage between a support part and the water-cooling pipe and the discharge tube is reduced to reduce the risk that the reservoir pipe and the water-cooling pipe are scratched by the support part is reduced. Therefore, the reliability of the laser is improved and the service lifetime is prolonged.
Owner:CHENGDU WEESON TECH
Valve prosthesis
PendingCN113331999AIncrease roughnessEasy to solidifyVenous valvesBlood streamBiomedical engineering
The invention provides a valve prosthesis. The valve prosthesis comprises a support and a skirt assembly; the support is provided with an inflow end and an outflow end which are opposite in the axial direction of the support; the skirt assembly comprises at least two skirts, the skirts surround the support in a ring shape and are provided with inner edges and outer edges, the inner edges are the edges, close to the axis of the support, of the skirts, and the outer edges are the edges, away from the axis of the support, of the skirts; the inner edges are connected with the support, and the outer edges form a free end; the at least two skirts are arranged at intervals along the axial direction of the support and are different in radial external dimensions; and the outer edge of at least one skirt is used for being in contact with a native tissue. By means of the configuration, even if a small amount of blood flow enters a gap between the skirts and the native tissue, the blood flow can be blocked by the skirts of different radial outer sizes to form a blood flow low-speed area, blood can be solidified in the low-speed area, perivalvular leakage is reduced, and meanwhile endothelialization is accelerated. Meanwhile, the roughness of the skirt assembly is increased due to the change of the radial outer size of the skirts, and tissue climbing growth and endothelialization are facilitated.
Owner:SHANGHAI TRULIVE MEDTECH CO LTD +1
Nerve intervention head and neck fixation device
ActiveCN107080592BReduced risk of displacementGood curative effectOperating tablesAmbulance serviceCurative effectHead fixation
The invention discloses a neuro-intervention head-neck fixing device. A head fixing plate can be movably installed on a supporting plate, a left splint is movably installed at the upper portion of the left side of the head fixing plate, a right splint is movably installed at the upper portion of the right side of the head fixing plate, a first tightening device and a second tightening device are both installed at the left side of the left splint in a front-back spaced mode, both the first tightening device and the second tightening device comprise shells, guide rods, slide rods, ratchet bars, and ratchets, a lifting device controls the slide rods to move up and down, the slide rods are slidably connected with slide blocks, the slide blocks are rotatably connected with connecting rods, the lower portions of manipulating rods are rotatably connected with the connecting rods, the ratchet bars are in slidably connected with the guide rods, the rackets are arranged at the lower portions of the slide blocks and are matched with the racket bars, the lower portions of the racket bars are fixedly connected with winch racks, the lower portions of the winch racks are meshed with winch gears, and shafts of the winch gears are provided with winches. The neuro-intervention head-neck fixing device is high in safety and reliability, the risk of occurrence of head dislocation of a patient in a neuro-interventio operation is drastically lowered, which is conducive to improvement of the curative effect of the operation.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV
Primary biplanar mammary augumentation method
PendingCN111110285AEasy to integrateRich surgical clinical experienceSurgeryBreast Prosthesis ImplantationEngineering
The invention discloses a primary biplanar mammary augumentation method. The method comprises the following steps: formulation of an operation plane; preparation of breast prosthesis: preparing the breast prosthesis by a 3D printing technology according to various parameters of the breasts of a patient; preoperative preparation; cutting: cutting the breasts according to cuts designed before operation under armpits with a width smaller than 3 cm, perfectly fusing scar with armpit folds to realize traceless conceal; gap separation; breast prosthesis implantation; suturing: suturing the cuts withmedical suture and adopting a pressurized fixed binding manner; and postoperative nursing. According to the biplanar method, after the lower side of pectoralis major is divided, the risk of upward and outward shift of the prosthesis is reduced, the prosthesis deformation caused by contraction of the pectoralis major is also effectively reduced, after part of prosthesis is placed behind the pectoralis major by the biplanar method, the probability of infection and capsular contracture is reduced, the position of lower plica after mammary augumentation can be accurately controlled by the biplanar mammary augumentation operation, the postoperative effect is stable, and shift cannot be caused easily.
Owner:黄惠铭
Fine filtration type seawater filter structure
PendingCN113200619AImprove filtration efficiencyAchieve fixationSeawater treatmentTreatment involving filtrationPolymer resinPolymer adsorbent
The invention discloses a fine filtration type seawater filter structure. A butterfly check valve is arranged in a seawater outlet, a sealing cover is arranged at the bottom of a box body, a through hole is formed in the sealing cover, the bottom of the through hole is connected with a seawater inlet pipe, a cylindrical filter screen is arranged at the top of the through hole, a top plate is arranged at the top of the cylindrical filter screen, and two glands are arranged at the top of the top plate. One gland is connected with the top plate through a fixing mechanism, an anti-corrosion zinc block is arranged at the bottom of the box body, a base is arranged at the bottom of the anti-corrosion zinc block, the base and the inner wall of the box body are fixed through a quick insertion mechanism, and a vertical polar polymer resin adsorption layer, a non-polar polymer resin adsorption layer and a porous medium filter plate are sequentially arranged close to the inside of the box body. A stirring shaft is arranged at the end, close to the seawater outlet, of the box body, the bottom of the stirring shaft is connected with a driving motor, and a feeding mechanism is arranged on the other gland. According to the invention, shaking of the filter screen can be reduced while the filter screen is convenient to disassemble and assemble, the anti-corrosion zinc block can be quickly disassembled and assembled, the oxygen content in the box body is reduced, the structure is simple, and use is convenient.
Owner:佛山市南海珠峰造船有限公司 +1
A high-pressure-resistant separation filtration membrane column device with a low-resistance deflector
ActiveCN104524974BLittle resistance lossAvoid double deflectionSemi-permeable membranesWater/sewage treatment bu osmosis/dialysisMembrane surfaceEngineering
Owner:浙江美易膜科技有限公司
Protection system with stem-leaf-imitated structure
PendingCN113229912AEasy to compressReduced access incision sizeSurgeryForeign matterStructural engineering
The invention relates to the field of medical instruments, in particular to a protection system with a stem-leaf-imitated structure, the protection system with the stem-leaf-imitated structure at least comprises a blocking device, and the blocking device comprises an elastic framework and a filtering device connected to the framework; wherein the framework comprises at least two rhizomes, a supporting skeleton is arranged between the stems, the supporting skeleton is connected with all the stems, the stems and the supporting skeleton have shape memorability and anatomic form self-adaptability, and the filtering device can intercept foreign matters without influencing blood cell components and water passing; or the framework further comprises a plurality of branch rod structures, the branch rod structures have shape memorability and anatomic form self-adaptability, and the branch rod structures are distributed on the stems in a comb shape; when the blocking device is placed in a predetermined position, all the stems and / or the plurality of branch structures can form a convex surface, and when the blocking device comprises the branch structures, each branch structure is generally perpendicular to the whole stem in the axial direction or faces the far end.
Owner:NINGBO DIOCHANGE MEDICAL TECH CO LTD
Optical fiber grinding machine
ActiveCN113500515AReduce labor intensityHigh degree of automationGrinding drivesLapping machinesEngineeringMechanical engineering
The invention relates to the field of optical fiber grinding devices, in particular to an optical fiber grinding machine. The machine comprises a machine base, a plurality of optical fiber chucks provided with optical fibers in an inserted mode and a material conveying rail used for conveying the optical fiber chucks; the top end of the machine base is provided with a grinding disc used for abutting against the end surfaces of the optical fibers; the grinding disc is located in the middle of the material conveying rail; the machine base is provided with at least two telescopic air cylinders; the at least two telescopic air cylinders are located on the two sides of the material conveying rail correspondingly; abutting blocks are arranged at the ends of piston rods of the telescopic air cylinders; the side walls of the abutting blocks and the end surface, opposite to the machine base, of barrels of the telescopic air cylinders abut against the opposite surfaces of the optical fiber chucks correspondingly. Compared with the situation that an operator needs to continuously and repeatedly take, place and fix the optical fiber chucks, the machine has the advantages that after the operator places the multiple optical fiber chucks on the material conveying rail, all that is required for completing the operation that the multiple optical fiber chucks are oppositely placed and fixed relative to the grinding disc in turn is to open and close the material conveying rail and the telescopic air cylinders, and the machine has the effect of reducing the labor intensity of the operator.
Owner:SHENZHEN ADTEK TECH CO LTD
External-use medical ointment for bone fracture
InactiveCN101496875BEasy to checkEasy to observeAerosol deliveryOintment deliveryParenchymaDressing change
Owner:林炳堂
Preparation method of polypropylene/polydopamine compounded patch, compounded patch and application
The invention discloses a preparation method of a polypropylene / polydopamine compounded patch, the compounded patch and application. According to the preparation method disclosed by the invention, a single-layer compounded patch is divided into two faces from a nano scale by using the principle that a polydopamine membrane can be rapidly taken off from polypropylene by using sodium hypochlorite and the concentration of a polypropylene patch is lower than that of a saturated brine solution; a polypropylene / polydopamine membrane face serves as one face, and thus, the compounded patch is effectively prevented from being adhered to organs in an abdominal cavity; a polypropylene face, exposed after a polydopamine nano-membrane falls off, serves as the other face, the face is in contact with theinterior of an abdominal membrane, the tension of an abdominal wall is improved, the risk of displacement can be reduced, the structure is more reasonable, and intraperitoneal requirements and intraperitoneal requirements can be simultaneously met. Simultaneously, by the preparation method, stacked lamination of a variety of composite materials is not involved, the thickness of the polypropylene / polydopamine compounded patch keeps that of a pure PP patch macroscopically, and thus, the patch is relatively lightweight and thin and has a great clinical application value.
Owner:SUN YAT SEN UNIV
A left ventricular volume reduction mechanism
ActiveCN106344081BReduce torqueReduce fatigue fractureHeart valvesOcculdersHeart apexInjury blood vessel
Owner:NINGBO DIOCHANGE MEDICAL TECH CO LTD
Construction method of flexible connection structure of prefabricated part and building main body
InactiveCN113309234AAvoid falling and hitting the bottom crowd problemRealize flexible connectionProtective buildings/sheltersShock proofingArchitectural engineeringStructural engineering
The invention relates to the field of fabricated building industrialization, in particular to a construction method of a flexible connection structure of a prefabricated part and a building main body. Flexible connection plates are mounted at two ends of a formed prefabricated part to form a combined prefabricated plate, mounting slots are formed at two ends of the position where the combined prefabricated plate is mounted when the building main body is poured, and then the two ends of the combined prefabricated plate are inserted into the corresponding mounting slots. Comprehensive flexible connection between the building main body and the prefabricated part is effectively achieved, meanwhile, foundation limiting is conducted on the prefabricated part, when dislocation occurs between the prefabricated part and the building main body, the dislocation can be limited within the design range, and the problem that under the earthquake condition, large-amplitude dislocation sliding between the prefabricated part and the building main body occurs, even the prefabricated part is separated from the building main body, consequently, the prefabricated part falls down and hits people at the bottom is avoided.
Owner:张明明
An allogeneic meniscal graft harvesting device and method
The invention provides a device and method for obtaining allogeneic meniscus grafts, which include a Kirschner wire, an electric drill, a retrieving drill, a drill base and a hollow screw; wherein the retrieving drill is provided with a cylindrical hollow drill string, hollow The free end face of the drill string is provided with axially protruding serrations; one end of the drill base is connected to the power output shaft of the electric drill, and the other end is fixedly connected to one end of the reclaiming drill. The drill base is provided with an axial hollow cavity. The hollow drill string is assembled with the axial hollow cavity of the drill bit base to form a guide cavity; the hollow screw is coaxially built in the guide cavity, and its inner diameter is set in cooperation with the diameter of the Kirschner wire. Using the allogeneic meniscus graft harvesting device to obtain the allogeneic meniscus with a cylindrical bone block structure can increase the contact area with the bone structure on the side wall of the cylindrical bone tunnel made during meniscus transplantation, thereby promoting bone formation. The integration of the block and the side wall of the bone tunnel shortens the time of bone integration.
Owner:PEKING UNIV THIRD HOSPITAL
Application of sodium hypochlorite in the preparation of single-layer double-sided polypropylene/polydopamine patch
Owner:SUN YAT SEN UNIV
Nerve spacer in centrum
A nerve spacer in centrum comprises a pipe body which is implanted in the centrum and used for building a nerve channel. The pipe body is made of biocompatible materials and the inner wall of the pipe body is smooth. The outer wall of the pipe body is provided with lines which are meshed with the centrum so as to prevent the centrum from falling off. A choke plug in a half stream line shape is installed at one end port of the pipe body in a detachable mode. The invention provides a novel train of thought of nerve translocation. The method that a normal nerve root is translocated in front of the centrum is changed into the method that the normal nerve root is translocated in the centrum, so that not only is a translocation route shortened greatly and the complexity of an operation reduced, but also the original condition that the centrum constricts the tranlocation nerve root is avoided and the recovery rate of the patients after operations is improved further.
Owner:刘亚平
Elevator dragging method and equipment
PendingCN114538256AReduce system loadExtend your lifeElevatorsSustainable buildingsDriving modeElectrical and Electronics engineering
The elevator dragging device comprises a lifting cage, a balance weight, a guide mechanism for the lifting cage and the balance weight to move up and down, a traction machine, a first guide wheel set and a second guide wheel set, the upper end of the balance weight is provided with an upper wheel set, and the lower end of the balance weight is provided with a lower wheel set; one end of the first traction cable is relatively fixed with the cage and is connected with the first coded disc, and the other end of the first traction cable upwards bypasses the first guide wheel group and then is downwards connected with the counterweight; and one end of the second traction cable is relatively fixed with the lower part of the hoistway and is connected with the second coded disc, and the other end of the second traction cable is wound on the traction machine after upwards bypassing the lower wheel set, then upwards wound on the second guide wheel set, downwards wound on the upper wheel set and finally upwards fixed with the hoistway sky beam through a rope head combination. The length of the traction cable and the length of the guide mechanism can be continuously adjusted through the coded disc to meet the height change of a building. And through an indirect driving mode, the cycle frequency and number of the traction cable are reduced, reactive power loss caused by the quality of a traction cable system is reduced, and the operation efficiency is improved.
Owner:浙江班门机械科技有限公司
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