61 results about "Biomimetic Devices" patented technology

The invention provides a sperm screening and in vitro fertilization bionic device based on micro fluidic technology. The sperm screening and in vitro fertilization bionic device based on micro fluidic technology comprises a bionic device main body; the bionic device main body is composed of a glass sheet layer, a silica gel pipeline layer, and a polydimethylsiloxane layer; a center cell is arranged at the middle part of the silica gel pipeline layer; an inlet cell, a first outlet cell, and a second outlet cell are arranged outside the center cell; the center cell is communicated with the inlet cell, the first outlet cell, and the second outlet cell via a first pipeline, a second pipeline, and a third pipeline respectively; the first pipeline is provided with a first sample adding port; the second pipeline is provided with a second sample adding port; and the third pipeline is provided with a third sample adding port. The sperm screening and in vitro fertilization bionic device is used for stimulating complete natural impregnation process, unfavorable influences of operation on gametes and embryos are avoided, and polyspermy is avoided; high quality embryos at stimulated natural impregnation states can be obtained, in vitro fertilization success rate is increased greatly, the potential causes of sterility can be identified, and a direction is provided for clinical treatment.

The invention provides a SPR neural synaptic device based on a-SiOx memristor effect and a preparation method thereof, belonging to the technical field of biomimetic devices. The invention combines K9glass prism with 'top electrode/a-SiOx: metal nanoparticle double resistive layer/bottom electrode' memristor structure coupling, so the optical signal is allowed to be injected into the double resistive layer through the K9 glass prism under the electric modulation, A surface plasmon resonance (SPR) effect is utilize to read that dielectric constant change information of the resistive layer during the working process of the device, thereby realizing the optical read of the synaptic weight of the device. The 'electrically modulated, optically read' synaptic device of the invention has the advantages that the traditional 'electrically modulated, electrically read' synaptic device cannot be compared with, because the synaptic device not only has the characteristics of low energy consumptionand non-volatility of the traditional memristor, but also has the advantages of large signal processing bandwidth and strong electromagnetic interference resistance when the light is used as an information carrier.

The invention discloses a military portable biomimetic device for obtaining water from atmosphere and relates to the device for obtaining the water from the atmosphere. The invention aims to solve the problems that an existing method for obtaining the water from the atmosphere is high in energy consumption and complicated in steps, and the device is large in size and inconvenient to carry. The device disclosed by the invention comprises a water obtaining net, a fixing needle, a piece of super-hydrophobic cloth, a shrinkable framework, a supporting framework, a shrinkable pull rod, a positioning spring, a threaded pipe, a water purifier, a water collecting cylinder and a bracket, wherein the super-hydrophobic cloth is fixedly arranged on the supporting framework; the water obtaining net is arranged above the super-hydrophobic cloth; one end of the shrinkable framework is connected with the supporting framework, and the other end of the shrinkable framework is connected with one end of the shrinkable pull rod; the positioning spring is fixedly arranged at the other end of the shrinkable pull rod; the supporting framework is connected with the threaded pipe through a hinge; the lower part of the threaded pipe is connected with the water collecting cylinder; the water collecting cylinder is connected with the threaded pipe through screw threads; the water purifier is arranged inside the threaded pipe; the outside of the threaded pipe is connected with the bracket through the hinge. The device disclosed by the invention is low in energy consumption, high in efficiency, free of pollution and applicable to preparation of the water from the atmosphere in wild.

The invention discloses a bionic hand gun shooting device and belongs to the field of bionics techniques. The bionic hand gun shooting device mainly comprises a bionic finger tensioning assembly, a tightening assembly, a trigger assembly, a control system, a rack, safety protective covers, an angle adjusting screw rod and a bionic jaw. Compared with the prior art, the bionic hand gun shooting device has the advantages that by the adoption of the bionic finger tensioning device, adjustment is convenient and fast, and force is controllable; by the adoption of the tightening mechanism, the effect of wrapping a gun grip is enhanced by tightening a stay wire, and a gun is clamped more tightly; by the adoption of the structure of the bionic jaw, clamping stability of the gun and the buffering effect on a rear base can be enhanced; operation is simple and control is convenient; by the adoption of a remote control trigger device, direction contact between people and equipment is avoided when a trigger is touched off.

The invention relates to a squatting-type human body lower limb joint biomimetic device. The technical scheme is as follows, a sliding table which is driven by a first motor and slides up and down oris fixed in the height direction of a vertical supporting plate is arranged on the vertical supporting plate, a horizontal fixed shaft is fixed on the sliding table, the middle part of the fixed shaftis connected to a femoral shaft through a first universal joint, the lower end of the femoral shaft is fixedly connected to a femur lower end simulation block, a steel wire rope is wound on a rotating shaft, on which a second motor is fixed, of a base, one end of the steel wire rope is fixed on the rotating shaft of the second motor, and the other end extends upwards, bypasses a fixed pulley block fixed on the sliding table and then is connected to the upper end of a patella ligament simulation belt. According to the invention, the condition of applying squatting force is acquired through a tension sensor, the motion trail signal in the squatting process is acquired through a gyroscope, and the stress of knee joints and soles is acquired through strain gauges, so that the motion trail andthe stress condition of squatting motion of the lower limbs of a human body under the condition of a certain stress curve are simulated.

The invention discloses an electric double hand rubbing bionic device. The electric double hand rubbing bionic device comprises a rack, a linear motor, a gear rack and two rubbing assemblies, wherein the linear motor is arranged on the rack, the end portion of the rack is in transmission connection with a secondary phase of the linear motor, and the two rubbing assemblies are arranged on the two sides of the gear rack respectively; each rubbing assembly comprises a gear, a connecting rod and a cylinder or sliding seat, wherein one end of the connecting rod is eccentrically arranged on the gear, the center of the cylinder or sliding seat is hinged to the rack, the cylinder or sliding seat is provided with a through hole for the connecting rod to penetrate through, and the connecting rod penetrates through the through hole in a clearance fit mode; the gears of the two rubbing assemblies are meshed with the gear rack respectively; the linear motor drives the gear rack to move in the linear direction when operating so that the gears can be driven to rotate, the connecting rods can be driven to move both in a linearly sliding mode and in a swinging mode relative to the hinge centers of the cylinders or sliding seats, and the lower ends of the connecting rods can generate bionic motion similar to rubbing of human hands; rubbing tools with different functions are fixed to the lower ends of the connecting rods so that various functions can be achieved.

The invention discloses a pneumatic double-hand rubbing bionic device. According to the pneumatic double-hand rubbing bionic device, only the simple parts including air cylinders, double-face racks, gears, connecting rods and cylinders or sliding bases are used, and the complex plane motion of simulating double-hand rubbing can be realized, wherein the centers of the cylinders or the centers of the sliding bases are hinged to a machine frame. Rubbing tools with different functions are fixed to the lower ends of the connecting rods so that various pneumatic double-hand rubbing bionic devices with different functions can be formed. The pneumatic double-hand rubbing bionic device is extremely simple in structure, especially low in manufacturing cost, high in working reliability, and capable of meeting the requirements for the rubbing bionic devices of different industries. A striking contrast is formed between the pneumatic double-hand rubbing bionic device and other bionic devices which are huge and complex in structure and extremely high in manufacturing cost, and the pneumatic double-hand rubbing bionic device can be widely popularized and used.

The present disclosure generally pertains to a biomimetic apparatus configured to simulate physiological conditions by, in part, providing for both barrier and transport interfaces. The presently disclosed apparatus may be used to: test therapeutics for different diseases; to study transport; form a substrate for any organ tissue with a barrier and/or transport function; provide a closed loop assembly for fluid flow; mimic underlying and enveloped tissue; and model external environmental conditions.

The present invention provides a novel electrochemical device and a cancer cell heat release map method to visually display the cancer progresses. The novel device comprises an electrode having a nanopore biomimetic electron-relay network with imidazolium-ATP of cancer cell-water-pyridine at the active sites that mimic the electron-relaying between His 516 and N(5)-FAD of GOx for the purpose to selectively detect triple-negative breast cancer cell at single cell concentration and it rejects brain cancer cell. The device is fast in millisecond to detect cancers without sample preparation and without interference from other substances, such glucose and proteins under reagent-free conditions. A unique biomarker of the ratio of “Action/Resting” cell membrane potential can be used to monitor the cancer progress against the normal cells. A visual contour map of a multiple variable correlation method provided to assess the heat release from the cancer cells against the normal cells is presented. The device for a potential therapeutic application was demonstrated by discharge voltage pulses from the live cancer cells with release extra energy that the cells possessed until it returns to a normal status in terms of normal cell membrane action/resting potential ratio.

The invention relates to a book position bionic automatic error correction robot. The robot comprises a robot body, a telescopic rotating mechanism, a telescopic mechanism and a bionic device; the telescopic rotating mechanism is arranged on the robot body, the telescopic mechanism is arranged on the telescopic rotating mechanism, and the bionic device is arranged on the telescopic rotating mechanism; the bionic device is used for identifying, taking and placing books; and the bionic device comprises a damage prevention mechanism, and the damage prevention mechanism is used for preventing therobot from damaging books in the operation process. According to the book position bionic automatic error correction robot, the operation of a reader in practice is simulated, the book placed at wrongposition is identified by using the bionic device, then the damage prevention mechanism simulates fingers of a person to pull out a corner of the book from the bookshelf above, and then the selectedbook is grabbed by using the bionic device, so that the bionic book extraction process is realized. The damage prevention mechanism simulates the fingers to push books on the two sides away from bookgaps, and then the books are put back to correct positions through the bionic device, so that damage to the books is avoided, and the flexibility is high.

The invention discloses a pneumatic double-hand rubbing bionic device. According to the pneumatic double-hand rubbing bionic device, only the simple parts including air cylinders, double-face racks, gears, connecting rods and sliding blocks or guiding parts are used, and the complex plane motion of simulating double-hand rubbing can be realized, wherein the centers of the sliding blocks are hinged to a machine frame or the centers of the guiding parts are fixed to the machine frame and the outer surfaces of the guiding parts are cylindrical. Rubbing tools with different functions are fixed to the lower ends of the connecting rods so that various pneumatic double-hand rubbing bionic devices with different functions can be formed. The pneumatic double-hand rubbing bionic device is extremely simple in structure, especially low in manufacturing cost, high in working reliability, and capable of meeting the requirements for the rubbing bionic devices of different industries. A striking contrast is formed between the pneumatic double-hand rubbing bionic device and other bionic devices which are huge and complex in structure and extremely high in manufacturing cost, and the pneumatic double-hand rubbing bionic device can be widely popularized and used.

The invention discloses an electric bionic double-hand rubbing device. By means of a simple screw rod, a nut, a double-face rack, a gear, a connecting rod, a sliding block with the center hinged to a machine frame and a guide element with the center fixed to the outer surface of a cylinder on the machine frame, complex plane motions imitating double-hand rubbing are achieved. The lower end of the connecting rod is fixedly provided with rubbing tools with different functions, so that various electric bionic double-hand rubbing devices with different functions are formed. The electric bionic double-hand rubbing device is simple in structure, low in manufacturing cost and high in work reliability, and can meet requirements for the bionic double-hand rubbing devices in different industries. The electric bionic double-hand rubbing device stands in sharp contrast to an existing bionic device which is large and complex in structure and high in manufacturing cost, and can be widely popularized and used.

The invention discloses an underwater object taking monitoring bionic device which comprises a machine body. The clamping assembly is used for clamping an underwater object; the moving assembly comprises a first servo motor, a rotating rod, a mounting ring arranged on the rotating rod in a sleeving manner and rotating blades fixedly connected with the side wall of the mounting ring; the locking assembly comprises two spring rods fixedly mounted on the inner ring wall of the mounting ring, a mounting groove is formed in the end, away from the first servo motor, of the rotating rod, fixing plates are symmetrically, obliquely and fixedly mounted on the rotating rod, and inserting openings used for allowing the ends of the two spring rods to extend into are symmetrically formed in the side wall of the rotating rod; and the driving part is used for controlling the end parts of the two spring rods extending into the two inserting openings to contract. Through the cooperation between the locking assembly and the driving part, the mounting ring and the rotating blade can be quickly disassembled and assembled with the rotating rod, convenience and rapidness are achieved, and the working efficiency of replacing the rotating blade is improved.

The invention belongs to the technical field of bionic devices, and in particular relates to a varanus salvator tooth imitation clamping device. The device comprises a fixing plate, and two fixing rods are symmetrically fixed on one side of the fixing plate; a hollow cavity is arranged in the fixing plate, and a battery and a controller are fixedly connected to the interior of the hollow cavity; afirst switch and a second switch are fixedly connected to the outer side of the fixing plate; and object storage grooves are arranged in opposite sides of the two fixing rods, the interior of each object storage groove is provided with a threaded rod, and a slide block is in screw connection with each threaded rod. The device has a reasonable and novel structure, by simulating occlusion of varanus salvator teeth, in the entire operation process, compared with mechanical surgical forceps, the device provided by the invention reduces the holding strength of a medical worker during use, at the same time, the holding strength can be adjusted, the length of the device can be adjusted, and the device has a good use effect.

The invention discloses a sliding-flapping type underwater vehicle which comprises a shell, a main propeller, an auxiliary propeller, a main control cabin, a detection lamp control cabin, a bionic system equipment cabin, a bionic device control cabin and a bionic device, the main propeller is arranged at the upper end of the interior of the shell, one end of the main propeller extends out of the shell, the auxiliary thruster is arranged below the main thruster in the shell, one end of the auxiliary thruster extends out of the shell, the main control cabin is arranged on one side of the main thruster in the shell, the detection lamp control cabin is arranged on one side of the main control cabin in the shell, and the bionic system equipment cabin is arranged at the bottom in the shell. The bionic device control chamber is arranged on one side in the bionic system equipment cabin, the bionic device is arranged at the lower end of the shell, and the upper end of the bionic device is connected with the bionic device control chamber; a central processing unit is arranged in the main control cabin, an electric quantity detection module is arranged on one side of the central processing unit in the main control cabin, and a storage battery is arranged on the lower side of the electric quantity detection module in the main control cabin.

The invention discloses a flexible synaptic bionic device and a preparation method thereof, comprising a flexible substrate, a bottom electrode film, an oxygen-deficient titanium dioxide film layer, a titanium dioxide film layer, a zinc oxide film layer and a top electrode film from bottom to top. The bottom electrode film and the top electrode film are connected to the power supply through electrode leads; during preparation, the bottom electrode film, the oxygen-deficient titanium dioxide film layer, the titanium dioxide film layer, the zinc oxide film layer and the top electrode film are sequentially formed on the flexible substrate, and then the bottom electrode film is formed on the bottom electrode film. The electrode film and the top electrode film are provided with electrode leads, and the contact points between the electrode leads and the bottom electrode film and the top electrode film are fixed by high-frequency ultrasonic waves. The flexible synapse bionic device of the present invention not only effectively avoids the damage of the flexible substrate due to the mechanical energy or thermal energy generated by the fixed electrode lead, which causes stress between the bottom electrode or the top electrode and the flexible substrate, but also improves the time retention of the device. And fatigue resistance, improve service life.