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46 results about "Locking joints" patented technology

In medicine, joint locking is a symptom of pathology in a joint. It is a complaint by a person when he is unable to fully flex or fully extend a joint. This term is also used to describe the mechanism of lower limb joints held in full extension without much muscular effort when a person is standing.

Self-locking type connector device with optimized inclination angle of anchor piece

The utility model discloses a self-locking type connector device with an optimized inclination angle of an anchor piece, and relates to the technical field of self-locking anchorage devices. The anchor comprises an anchor ring assembly, an anchor piece assembly and a fixing assembly, the anchor ring assembly comprises two semi-rings distributed in a mirror image mode, taper holes are formed in the two semi-rings, the anchor piece assembly is conical, the anchor piece assembly comprises two clamping pieces distributed in a mirror image mode, clamping grooves are formed in the two clamping pieces, and limiting assemblies are installed on the two clamping pieces. The two limiting assemblies each comprise a clamping block, springs are fixedly installed in the two sliding grooves, and a plurality of annular clamping grooves which are distributed at equal intervals up and down are formed in the inner walls of the conical holes of the two semi-rings. According to the steel strand clamping device, through the arrangement of the limiting assembly, when the steel strand drives the clamping pieces to move in the taper holes, the clamping blocks in the clamping pieces can be gradually clamped in the annular clamping grooves in the taper holes through the elastic force of the springs, the clamping pieces are limited, and the situation that the clamping pieces move reversely, and the clamping force on the steel strand is lost can be prevented.
Owner:MINNAN INST OF SCI & TECH

Multi-joint locking type retractor for preparing free tissue valve

The invention relates to the technical field related to medical instruments, and discloses a multi-joint locking type retractor for preparing a free tissue valve, which comprises a first joint arm, a second joint arm and a third joint arm, a bedside fixing frame is arranged at the lower end of the first articulated arm, a second articulated arm is rotatably arranged at the upper end of the first articulated arm, and the medical bed is characterized in that a third articulated arm is rotatably arranged at the end part of the second articulated arm, and a clamping module is rotatably arranged at the front end of the third articulated arm; according to the invention, through a cooperative structure of a fixing buckle, a rotating buckle, a bolt and a knob of the bedside fixing frame, and through cooperation of a threaded sleeve of the first joint arm and a thread adjustment design of the telescopic joint, stable connection (no obvious looseness) and height adaptation (according with operation habits of operators and requirements of operation sites) of the device and an operation bed frame are realized.
Owner:HANGZHOU TONGLU JIANGNAN MEDICAL EQUIP CO LTD +1

Universal butt-joint high-rigidity butt-joint locking quick-change device for large-scale modular on-orbit assembly

PendingCN121516281AGripping headsToolsButt jointLocking joints
The invention discloses a universal butt-joint high-rigidity butt-joint locking quick-change device for large-scale modular on-orbit assembly, and belongs to the technical field of space robots. An existing butt joint interface is poor in universality and difficult to adapt to diversified on-orbit assembly requirements. A first positioning surface is arranged at the top end of a driving end shell, and an opening is formed in the outer circumferential surface; a clamping jaw driving assembly is arranged in the shell; the clamping jaw comprises three capturing fingers and three groups of corresponding finger connecting assemblies, each group comprises a hinge seat, a finger connecting rod, a first pin shaft, a second pin shaft and a third pin shaft, the hinge seat can be driven by the clamping jaw driving assembly to move up and down, one end of each capturing finger is connected with one end of the corresponding finger connecting rod through the corresponding first pin shaft, and the other end of each capturing finger extends out of an opening of the shell; the other end of the finger connecting rod is connected with the hinge seat through a second pin shaft; the third pin shaft is mounted at the position, close to the opening, of the shell and rotationally connected with the capturing finger; the passive butt joint module is provided with a locking groove matched with the clamping jaw and a second positioning face matched with the first positioning face.
Owner:HARBIN INST OF TECH

Self-locking connector device for medical combined pipeline

ActiveCN223754926UCouplingsLocking jointsMedical treatment
The utility model discloses a self-locking connector device for a medical combined pipeline, which comprises a shell and a connector, a base is arranged in the shell, the connector can extend into the shell to be fixedly inserted into the base, and a locking structure is arranged in the shell; the locking structure comprises a locking ring and an elastic piece, the locking ring is in sliding limiting connection with the shell, a guide hole is formed in the locking ring, the connector penetrates through the guide hole and then is connected with the base in an inserted mode, an operation rod is arranged on the locking ring, one end of the operation rod extends out of the shell, the elastic piece is used for pushing the locking ring to slide in the shell in the radial direction, and a wedge-shaped guide block is arranged on the outer side wall of the connector. The wedge-shaped guide block can penetrate through the guide hole and push the locking ring to extrude the elastic piece, and the wedge-shaped guide block can abut against the end face of the locking ring. Self-locking can be achieved by inserting the connector, unlocking can be achieved through the operating rod, the structure is simple, connection is stable and not prone to loosening, and the safety of medical operation can be improved; and the operation is simple and convenient, and can be completed by a single person.
Owner:YIYANG MEDICAL (SHENZHEN) CO LTD

Quick mounting flexible pipe connecting joint for first-aid repair and combination of quick mounting flexible pipe connecting joint

ActiveCN223740314UHose connectionsLocking jointsJoint locking
The utility model discloses a rapid installation flexible pipe connecting joint for first-aid repair and repair, which comprises a joint connecting locking fixing sleeve installed on a flexible pipe; the connector connecting and locking inner sleeve is installed on the flexible pipe, the diameter of the connector connecting and locking inner sleeve is smaller than that of the connector connecting and locking fixing sleeve, and the connector connecting and locking inner sleeve abuts against the connector connecting and locking fixing sleeve; one end of the connector inner core is inserted into the flexible pipe, and the other end of the connector inner core is connected with the connector locking cap. And the connecting joint combination consists of two connecting joints. The rapid installation flexible pipe connector for first-aid repair is easy and convenient to install and does not need to be matched with large-scale equipment. And the joints do not need to be welded, so that potential safety hazards are reduced.
Owner:JIANGSU ZHENGDAO OCEAN TECH CO LTD

forearms and junctions of support arms (VERSACRANE-e type)

1. Name of the designed product: Forearm and joint of support arm (VERSACRANE-e type). 2. Use of the designed product: Component of VERSACRANE-e type support arm for positioning and fixing of surgical microscope (i.e. forearm and Heli-lock joint). 3. Design points of the designed product: in shape. 4. Picture or photo best showing the design points: perspective view.
Owner:KARL STORZ SE & CO KG

Multifunctional exoskeleton device

The invention provides a multifunctional exoskeleton device, and belongs to the technical field of wearable auxiliary equipment, specifically, a hip joint module is provided with a hip joint locking mechanism, and a knee joint module is provided with a knee joint locking mechanism; a first rolling wheel is installed behind the waist module through a folding frame, a folding locking mechanism for locking the folding and unfolding states of the folding frame is arranged on the folding frame, a second rolling wheel is connected to the knee joint module or the shank part through a supporting rod, and the supporting rod is rotationally installed on the knee joint module or the shank module. A support locking mechanism for locking the position of the support rod is arranged on the knee joint module or the shank part; a plurality of connecting rods are detachably hung on the thigh parts, first connecting seats are arranged at the ends, close to the knee joints, of the thigh parts, second connecting seats are arranged at the ends, away from the knee joints, of the shank parts, the first connecting seats and the second connecting seats are used for being detachably connected with the ends of the connecting rods in a clamped mode, and the multifunctional exoskeleton device comprises an upright form and a trolley form.
Owner:SHAANXI BOHE ELECTRONIC TECH CO LTD

Flange anti-bending locking joint

The utility model relates to a flange anti-bending locking connector. The technical problem to be solved by the utility model is to provide a flange anti-bending locking joint. According to the technical scheme, the connector comprises a flange plate, a connector body, a clamping piece, a connector spring, a flange connecting screw and a clamping piece adjusting screw, the flange plate comprises a flange plate body and a flange plate butt joint column, a flange plate wire clamping groove is formed in the flange plate butt joint column, a flange plate wire penetrating hole is formed in the middle of the flange plate body, and the clamping piece is arranged in the flange plate wire penetrating hole. A connector butt joint hole is formed in the connector body, and the flange plate body is attached to the upper end face of the connector body. Compared with the prior art, the utility model has the advantages that the cable at the joint of the joint is internally clamped and protected by additionally arranging the joint spring to be matched with the clamping piece, and due to the elastic action of the joint spring, on one hand, smooth transition during bending is realized, and on the other hand, the internal cable is protected from being abraded, so that the anti-bending effect is good.
Owner:ZHEJIANG HONGXIANG CONNECTOR CO LTD

Tongue lifting device and visual laryngoscope

ActiveCN223914116UBronchoscopesLaryngoscopesLocking jointsSurgery
The utility model discloses a tongue lifting device and visual laryngoscope, including handle, rotational joint, angle adjusting mechanism and laryngoscope, rotational joint includes first joint and second joint, handle is connected with the first joint, laryngoscope is connected with the second joint, angle adjusting mechanism is connected with the angle adjusting mechanism, and the angle adjusting mechanism is connected with the angle adjusting mechanism. The angle adjusting mechanism is arranged between the first joint and the second joint so as to lock or unlock the second joint relative to the first joint; the angle adjusting mechanism comprises an operating piece and a locking piece, the operating piece, the locking piece, the first joint and the second joint are coaxially arranged, and a plurality of clamping positions are arranged in the first joint in the circumferential direction around the center shaft; the locking piece is arranged between the first joint and the second joint, and clamping teeth are arranged on the periphery of the locking piece. The operation piece is arranged on one of the first joint and the second joint in a sliding mode along a pivot shaft of the first joint. The utility model has the advantages of simple operation and convenient use.
Owner:OPCOM O E (DONGGUAN) INC

Medical tubing lock fitting

ActiveCN121155020BTube connectorsMedicineLocking joints
The application relates to the technical field of medical devices, in particular to a medical pipeline locking joint which comprises a joint main body, a locking head and a sleeve, one end of the joint main body is provided with a connecting section, the outer side of the connecting section is provided with threads; the end face of the connecting section is provided with a mounting section, the outer side wall of the mounting section is a first taper face; a through hole is arranged in the joint main body; two outwardly extending side wings are arranged in the middle section of the joint main body; a threaded hole is arranged at one end of the locking head, a mounting hole is arranged at the other end of the locking head, the side wall of the mounting hole is a second taper face; the locking head is provided with a recess; two clamping grooves are arranged on the side wall of the sleeve, and a protruding block is arranged on the end face of the sleeve; during installation, the pipeline is sleeved on the first taper face, the locking head is mounted on the joint main body, and the second taper face is attached to the outer wall of the pipeline; the two side wings are inserted into corresponding clamping grooves, and the end of the clamping groove close to the locking head is attached to the side wing; the end face of the sleeve is attached to the locking head, and the protruding block is inserted into the recess. The application can effectively improve the fixing effect of the joint on the pipeline and avoid the falling of the pipeline.
Owner:JIANGSU TECH-BIO-MED MEDICAL EQUIP CO LTD

Pipe-up compression coupling

The application discloses a pipeline tightening compression joint, which comprises a circular joint inner core, a joint compression sleeve and a joint outer sleeve. The outer side of the joint inner core is provided with a protruding part, and the inner side of the joint compression sleeve is provided with a clamping groove part corresponding to the protruding part. The joint compression sleeve is composed of several arc-shaped pieces which are movably connected. The surface of the joint compression sleeve and the joint outer sleeve is an inclined surface. The outer surface of the joint compression sleeve is provided with grooves at intervals. An arched spring piece is arranged in each groove. An iron piece is arranged above the spring piece. One end of the iron piece is connected with the side surface of the groove through a pin, and the other end of the iron piece extends out of the groove. The inner wall of the joint outer sleeve is provided with a clamping groove which is recessed and corresponds to the groove. Corresponding connecting holes are arranged on the outer side flanges of the joint outer sleeve and the joint inner core. The joint locking force is realized by the inclined surface sliding, the hose is clamped, the self-locking structure is increased, the structure is light and compact, the joint connection firmness is high, the installation efficiency is fast, and the installation cost is low.
Owner:5ELEM HI TECH CORP

A flexible adjusting robot arm flexible joint structure

ActiveCN224689046UMassageLocking joints
The utility model relates to flexible joint technical field, and disclose a kind of robot arm flexible joint structure of flexible adjustment, including end moving part and connecting rod moving part, both are connected by spherical movable roll and spherical movable groove gap cooperation, the adjusting column of connecting rod moving part right end is connected with magnetorheological elastomer ring, there is solenoid on ring, there is circumferential array's nickel-titanium alloy spring between end moving part and connecting rod moving part, close solenoid, magnetorheological elastomer ring stiffness is low, joint full flexibility, activate nickel-titanium alloy spring, joint can small amplitude rotation adjustment, combine tactile sensor feedback, can realize the light and soft action of dynamic following, when needing big support force, solenoid is energized, magnetorheological elastomer ring stiffness is promoted, constrain end moving part and connecting rod moving part, lock joint form, nickel-titanium alloy spring increases contraction amplitude, output high degree, applicable to deep massage etc. Operation, can accurately transmit massage degree, improve physiotherapy effect.
Owner:SHENZHEN CHENGWEI TECH CO LTD

A multi-functional exoskeleton device

ActiveCN224527215UKnee JointThigh part
The application provides a multifunctional exoskeleton device, and belongs to the technical field of wearable auxiliary equipment, specifically, a hip joint locking mechanism is arranged on a hip joint module, and a knee joint locking mechanism is arranged on a knee joint module; a first roller is arranged on the rear of a waist module through a folding support, a folding locking mechanism for locking the folding support in a folded state or an unfolded state is arranged on the folding support, a second roller is connected to the knee joint module or a lower leg part through a supporting rod, the supporting rod is rotatably arranged on the knee joint module or the lower leg module, and a supporting locking mechanism for locking the position of the supporting rod is arranged on the knee joint module or the lower leg part; a plurality of connecting rods are detachably mounted on a thigh part, a first connecting seat is arranged on the end of the thigh part close to the knee joint, a second connecting seat is arranged on the end of the lower leg part away from the knee joint, the first connecting seat and the second connecting seat are used for detachably clamping the end of the connecting rod, and the multifunctional exoskeleton device comprises a standing mode and a trolley mode.
Owner:SHAANXI BOHE ELECTRONIC TECH CO LTD

A quasi-unpowered exoskeleton robot

The present invention relates to the field of industrial exoskeleton technology, specifically a quasi-unpowered exoskeleton robot. The device comprises a waist fixation module, a back linkage module, a shoulder linkage module, an upper arm linkage module, a forearm linkage module, a locking joint module, and an end-hole drilling module. Compared to existing technologies, this invention utilizes the locking joint module to offset and transfer the load on the worker during the processing phase of the operation, and utilizes a spring load-reducing device to balance the load exerted by the tool's gravity on the worker during non-processing operations, achieving a more comprehensive assistance effect.
Owner:NANJING UNIV OF AERONAUTICS & ASTRONAUTICS

Strength recovery device for nursing rehabilitation exercise

The invention discloses a strength recovery device for nursing rehabilitation exercise in the technical field of medical instruments, which comprises a bionic movable support, a plurality of protective layers are fixedly connected to the outer side wall of the bionic movable support, a controller is detachably connected to the middle of the bionic movable support, and the bionic movable support and the protective layers are both in signal connection with the controller. Various actions of a patient are supported through the bionic movable support capable of flexibly moving, action data are recorded, joints are locked to form fulcrums, meanwhile, surface electromyogram signals of the patient are detected, disable muscles of the patient are found in combination with the action data, then appropriate exercise actions are assigned to the patient, and the action standard of the patient is compensated; and in combination with electrical stimulation treatment, the rehabilitation exercise efficiency is improved, and flexible rehabilitation exercise is realized.
Owner:THE FIRST AFFILIATED HOSPITAL OF XINXIANG MEDICAL UNIVERSITY

A minimally invasive reduction and wiring kit for acromioclavicular joint dislocation

ActiveCN116570358BFastenersSurgical forcepsJoint dislocationLocking joints
The application discloses a shoulder lock joint dislocation minimally invasive reduction threading kit in the technical field of fracture threading reduction, which comprises a hooking wire clamp, a ring rotating hook rod, a threading clamp and a clavicle clamp. The hooking wire clamp is in a scissor-shaped structure capable of being opened and closed and is formed by connecting two straight rods through a rotating shaft. The two straight rods of the hooking wire clamp are both provided with holding handles at rear ends. The front end of one straight rod of the hooking wire clamp is rotatably connected with the ring rotating hook rod. The front end of the other straight rod of the hooking wire clamp is provided with the threading clamp. After the coracoid process of the scapula and the clavicle are positioned, the threading clamp can be used to stably penetrate along a rotating path into the bone to be positioned, so that the bone to be reduced can be precisely and quickly threaded. Because the holding is convenient and the stress is stable, the muscle and ligament are not easily disturbed, so that the device can conveniently and stably position the bone to be positioned and thread and wind.
Owner:FUZHOU SECOND HOSPITAL (FUZHOU FUZHOU HOSPITAL OF INTEGRATED TRADITIONAL CHINESE & WESTERN MEDICINE FUZHOU OCCUPATIONAL DISEASE HOSPITAL)

Locking joint

The invention relates to a locking joint for an orthopaedic device, wherein the locking joint - a first joint part (2) with ◯ a first stop (6) which has a first stop surface (8), and ◯ a second stop (14) which has a second stop surface (16) and can be moved into a release position and a locking position, and - a second joint part (4) with a first contact surface (10) and a second contact surface (18), which ◯ is arranged pivotably about a joint axis (20) on the first joint part (2), wherein ◯ the pivoting movement in a first direction is limited by the first stop (6) when the first contact surface (10) rests against the first stop surface (8), and wherein ◯ the pivoting movement in a second direction is limited by the second stop (14) when the second stop (14) is in the locking position and the second contact surface (18) rests against the second stop surface (16), characterized in that the first contact surface (10) and the second contact surface (18) are arranged on a support element (12) which is pivotably arranged about a support axis on a base body (22) of the second joint part (4).
Owner:OTTOBOCK SE & CO KGAA

Push-pull folding footrest and seat

ActiveCN116211090BDevelopment is stablestable stateStoolsChairsRotation - actionSimulation
This invention discloses a push-pull retractable footrest and a seat. The push-pull retractable footrest includes a footrest, an outer telescopic component, an inner telescopic component, a connecting mechanism, a joint locking mechanism, and a position locking mechanism. The inner telescopic component is slidably connected to the outer telescopic component, and the linkage mechanism is rotatably connected to the footrest. The joint locking mechanism includes a locking head that locks or unlocks the footrest, and the position locking mechanism is locked at a first limiting part or a second limiting part. The seat includes a push-pull retractable footrest. In this invention, the linkage mechanism, joint locking mechanism, and position locking mechanism are linked together with the sliding of the inner telescopic component relative to the outer telescopic component, and perform corresponding unlocking, locking, and footrest rotation actions. When the footrest needs to be retracted, the user only needs to push or pull the inner telescopic component to switch the footrest's state. Furthermore, the footrest and the inner telescopic component can be locked after the footrest is retracted, keeping the footrest stable. The retraction and retraction actions are minimal, resulting in high operational convenience.
Owner:SHENZHEN SIHOO INTELLIGENT FURNITURE CO LTD

Jacket nut-clamping jaw assembly applied to self-locking connector

ActiveCN223375363UCouplingsClassical mechanicsLocking joints
The utility model discloses a jacket nut-clamping jaw assembly applied to a self-locking connector, and relates to the technical field of connecting assemblies, in particular to the jacket nut-clamping jaw assembly applied to the self-locking connector in an aviation hydraulic pipeline system. The nut comprises an outer sleeve nut and a clamping jaw, an upper square hole and a lower square hole are respectively formed in the upper end and the lower end of the outer sleeve nut; the clamping jaw is inserted from the lower square hole, and the head part of the upper clamping jaw is clamped in the upper square hole and is limited and mounted in the outer sleeve nut; and the grabbing parts of the clamping jaws protrude out of the flat pipe nozzle toothed ring and are engaged to realize an anti-loosening function. The head of the clamping jaw is of a thin locking plate structure, and two sides outside the top end are of buckle-type structures; a V-shaped groove is formed in the middle position; the bottom of the V-shaped groove is in circular transition. According to the technical scheme, the problems that in the prior art, due to the fact that the surface of an outer sleeve nut is very brittle and hard after the outer sleeve nut is oxidized, cracks are prone to occurring at the punching position during punching, and the punching position, depth, size and the like are difficult to be consistent in technical state are solved.
Owner:DALIAN CANDL TECH DEV CO LTD

Ratchet flex joint locking mechanism

A flex joint headed tool with a locking mechanism adapted to selectively retain the angle of the head relative to a handle. The locking mechanism may retain the head in at least one of two positions using a bias member and two detent balls disposed at opposite ends of the bias member. The bias member and detent balls may be disposed in a through hole disposed in a locking lever, with one detent ball engaging a joint tang and the other detent ball engaging a detent disposed in a tool body or handle, wherein the detent balls provide tactile response to a user. The locking lever may rotate between locked and unlocked positions, whereby in the locked position, the ratchet head is prevented from rotating relative to the handle, and when in the unlocked position, the head may rotate relative to the handle.
Owner:SNAP ON INC

A locking mechanism for expansion joint of oil steel pipe

ActiveCN224414608URealize modular assemblyavoid job delaysLocking jointsExpansion joint
The utility model belongs to telescopic joint locking technical field discloses a kind of telescopic joint locking mechanism for petroleum steel pipe stability, including outer locking ring, connecting piece, locking inner tube and baffle, the accommodating space is formed in the inside of outer locking ring, the connecting piece and locking inner tube are set in the inside of outer locking ring, the locking inner tube is movably inserted in the inside of connecting piece, the outer locking ring is fixedly connected with the locking inner tube by fixed pin, the baffle is set in the inner end surface of outer locking ring, the baffle is fixedly connected with the connecting piece by screw.The utility model in the quick insertion of outer locking ring and locking inner tube by fixed pin is set, in combination with the screw fixing mode of baffle and connecting piece, the modular assembly of telescopic joint locking mechanism is realized, locking and unlocking can be completed by only inserting or pulling out fixed pin, without disassembling multiple fasteners one by one, avoid the delay of operation caused by operation time-consuming too long.
Owner:JINGMING OIL EQUIP DEV

Lower limb brace

The utility model belongs to the technical field of medical instruments, and particularly relates to a lower limb brace. Comprising a bottom plate and two supporting arms arranged on the bottom plate, a bearing seat is arranged on the bottom plate and hinged to the tail end of a first supporting arm, a self-locking joint is arranged at the other end of the first supporting arm and hinged to a second supporting arm, a ratchet wheel with inward ratchets is arranged on the inner wall of the self-locking joint, and a one-way rotating shaft at the tail end of the second supporting arm is sleeved with the ratchet wheel. The one-way rotating shaft is provided with a protruding pawl matched with the ratchet wheel, and the pawl presses the inner teeth of the ratchet wheel under the action of the spring to lock the one-way rotating shaft of the second supporting arm in the self-locking joint. The height and the angle can be adjusted and locked, and the folding chair has the advantages of being light in weight, good in stability and foldable.
Owner:FIRST HOSPITAL AFFILIATED TO GENERAL HOSPITAL OF PLA

Flange anti-bending locking joint

ActiveCN309554969SLocking jointsIndustrial engineering
1. The name of the design product: flange anti-bending locking joint. 2. The use of the design product: flange type locking joint with anti-bending. 3. The design points of the design product: in shape. 4. The picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.
Owner:ZHEJIANG HONGXIANG CONNECTOR CO LTD

Locking joint for rapid connection and fixation of infusion port

The utility model relates to the technical field of infusion port connectors, and discloses an infusion port fast connecting and fixing locking connector which comprises an injection base, the front side of the injection base is communicated with a liquid outlet pipe, an inner groove is formed in the front side of the interior of the liquid outlet pipe, and clamping rings are arranged on the left side and the right side of the interior of the inner groove. Two springs are fixedly connected to the sides, away from each other, of the two clamping rings, one ends of the multiple springs are fixedly connected with the inner side of the inner groove, connecting columns are fixedly connected to the middles of the sides, away from each other, of the two clamping rings, and the ends, away from each other, of the two connecting columns penetrate through a liquid outlet pipe; and the same connecting pipe is arranged on the adjacent sides of the two clamping rings. According to the syringe, the connecting pipe is inserted to push the clamping rings on the two sides to move towards the outer side, the clamping rings move to compress the springs, and when the connecting pipe is inserted in place, the springs push the clamping rings to move, so that the clamping rings are clamped with the clamping grooves to fix the connecting pipe, and the connecting pipe can be conveniently connected with the injection seat.
Owner:THE SECOND AFFILIATED HOSPITAL ARMY MEDICAL UNIV

Mortise and tenon type 3D printing multi-material composite bionic ankle foot orthosis

The invention discloses a tenon-and-mortise type 3D printing multi-material composite bionic ankle-foot orthosis, which belongs to the technical field of rehabilitation engineering and additive manufacturing, and comprises a tibia supporting part, a tenon-and-mortise type locking structure, an ankle joint part, a sole supporting part and an ankle-foot orthosis bandage, the tibia supporting part is of a semi-arc surface structure, the section of the tibia supporting part is gradually reduced from top to bottom, and the tibia supporting part is formed by compositely printing an inner side flexible attaching layer and an outer side rigid layer; the tibia supporting part, the ankle joint part and the sole supporting part are sequentially connected in a transition fit and locking manner through a mortise and tenon locking structure; the ankle joint part is of an approximately L-shaped cambered surface wrapping structure, and a bionic skin microstructure contact layer is arranged on the inner side of the ankle joint part; the sole supporting part is of a U-shaped cambered surface structure, and the section of the sole supporting part is gradually increased from inside to outside; a bionic octopus sucker is arranged on the bottom surface of the inner side, and sole anti-skid lines are arranged on the bottom surface of the outer side; the ankle-foot orthosis bandage is used for fixing the shank and the foot respectively. In conclusion, the invention has great application value in the fields of rehabilitation engineering and medical instruments.
Owner:JILIN UNIVERSITY

Auxiliary fixing device for pediatric blood drawing

The invention discloses an auxiliary fixing device for pediatric blood drawing. The auxiliary fixing device comprises a bearing base; the lifting stand column is vertically mounted on the bearing base; the universal locking joint is mounted at the top end of the lifting stand column; the arm support frame is rigidly connected with the universal locking joint; the width adjusting mechanism penetrates through the arm support frame; the length adjusting mechanism is nested in the arm support frame; the bandage lock catch structures are arranged on the two sides of the width adjusting mechanism. The height of the diagnosis and treatment table and the requirements of child patients with different heights can be quickly matched by arranging the lifting stand column; the arm support frame effectively adapts to the arm circumference difference from a baby to a teenager through the width adjusting mechanism, and binding or releasing of a single hand in one second is achieved through the binding band lock catch structure. The universal locking joint can freely adjust the angle of the arm support by unscrewing a first locking bolt, and after screwing, the arm support is self-locked and stably suspended through friction between a ball head and a hemispherical lock cover, so that a cubital fossa puncture site is conveniently exposed, and the limbs of a sick child are prevented from being pinched through a length adjusting mechanism.
Owner:TONGJI HOSPITAL ATTACHED TO TONGJI MEDICAL COLLEGE HUAZHONG SCI TECH

Joint locking mechanism for easy alignment of surgical instrument

ActiveCN223845745UOsteosynthesis devicesApparatus instrumentsLocking joints
The utility model relates to the technical field of medical instruments, and discloses a surgical instrument easy-to-align joint locking mechanism which comprises a first rotating plate and a second rotating plate, embedding grooves are formed in the midpoint of one side of the first rotating plate and the midpoint of one side of the second rotating plate, adjusting plates are embedded in the two embedding grooves, and the adjusting plates are connected with the first rotating plate and the second rotating plate. Positioning blocks are movably embedded in the midpoints of one sides of the lower end faces of the first rotating plate and the second rotating plate, the outer surfaces, located in the first rotating plate and the second rotating plate, of the two positioning blocks are fixedly sleeved with springs, and a rotating shaft is arranged between the first rotating plate and the second rotating plate. According to the joint fixing device, the adjusting plates embedded in the first rotating plate and the second rotating plate can better align and fix the joints of a patient, and the two arranged fixing mechanisms can better play a role in rotating and fixing the first rotating plate and the second rotating plate.
Owner:YANAN UNIV AFFILIATED HOSPITAL