68 results about "Forelimb" patented technology

The invention provides a frog-inspired biomimetic jumping robot. Forelimb and hindlimb driving mechanisms are mounted on a body mounting plate and connected with forelimb and hindlimb actuating mechanisms respectively, each of the forelimb driving mechanism and the hindlimb driving mechanism comprises an input shaft, a second gear, a one-way bearing, an incomplete gear and a ratchet pawl are mounted on each input shaft, each second gear is in gear transmission with a second output shaft, each incomplete gear is in gear transmission with a first output shaft, ropes are wound on second winding drums which are mounted at two ends of each first output shaft respectively, and output gears are mounted at two ends of each second output shaft respectively. By means of reasonable arrangement of the forelimb and hindlimb driving mechanisms and the forelimb and hindlimb actuating mechanisms, utilization rate of driving elements of the robot is increased, mechanical structures of legs are optimized, biomimetic degree of the robot is increased, jumping capability of the robot is enhanced, flexibility of mechanical mechanisms of the robot is improved, and posture stability during jumping is improved.

A harness for a quadruped animal including a chest strap which in use of the harness lies across the chest of the animal in front of the forelegs, the harness including an attachment for a leading strap, the attachment being slidably mounted on the chest strap for movement therealong. Each end of the chest strap is attached to a trunk loop which in use of the harness passes around the trunk of the animal behind the forelegs. The trunk loop includes a back strap which in use of the harness lies across the back of the animal affixed to a lower strap which in use of the harness passes under the animal behind the forelegs.

The invention discloses a pig gait anomaly detection method based on ellipse fitting and a predictive neural network. The method comprises steps: a video sample needed for an experiment is collected; the video sample is intercepted to acquire continuous target frames, the target frames are pre-processed, and a pig contour sequence with normal walking and abnormal gaits is obtained; ellipse fitting is used for modeling each part of the pig body, and a pig walking gait feature parameter sequence is built; through principal component analysis, the extracted features are subjected to optimized processing, and a feature sequence is extracted; and the predictive neural network is used for building a training model about normal walking and abnormal gait feature sequences, and through the training model, whether the inputted gait sequence belongs to abnormal walking is detected. Abnormal walking, such as laming, diseases of the forelimbs and instable forelimb walking caused by injuries of the pig, can be effectively recognized, and a good basis is provided for realizing a large-scale and intelligent pig industry.

The invention discloses a three-degree-of-freedom forelimb rehabilitation robot based on a parallel mechanism, and relates to the technical field of medical rehabilitation machines. The robot is used for performing rehabilitation training therapy on paralytic limbs caused by cerebral apoplexy. The device comprises a body component and an installation base. A part is split in one end of a fixed platform of the body component, so that a patient to be subjected to rehabilitation training stretches the arm from the side face, reaches a large gear after passing through the central axis of the fixed platform and then holds a handle to act; the body component and the installation support are connected through a bolt, during actual application, the installation height of the body component can be adjusted according to the need of the hemiplegic patient, and the installation base is provided with truckles, so that the robot is moved freely to a place where rehabilitation training is performed.

An animal restraining shield comprising a planar sheet having a vertical edge and a horizontal edge and an aperture in the planar sheet sized to permit a head of an animal to pass through the aperture, wherein the animal restraining shield is adapted to limit motion of one or more limbs of the animal and wherein the vertical edge extends a downward distance from the aperture comprising at least a full length of a forelimb of the animal as measured from the head of the animal to a foot of the animal.

Disclosed is an improved harness for a quadruped animal, comprising a length of material forming a first and second closed loop, along with a connector means for forming the loops into a figure eight shape. The animal's forelegs are places through the first and second loops of the figure eight, while the intersecting connector is positioned centrally against the animal's chest. The outer ends of each loop are wrapped around the animal's shoulders and secured along the animal's back via a securing means such as a leash clasp. A leading strap can be attached to the harness for use when walking the animal, wherein the connector bears against the animal's chest and the position of the loops provides improved control over the actions of the animal. The harness prevents choking or twisting of the animal's neck, while allowing the user to have better over control.

Disclosed is a method for breeding scorpions. Domesticated buthus martensii karsches serve as female parents and wild eastern Asian king scorpions serve as male parents to be hybridized, and litters reproduced by pregnant scorpions are first-generation eastern Asian king scorpions. The first-generation eastern Asian king scorpions serve as female parents, the wild eastern Asian king scorpions serve as male parents to be hybridized, and litters reproduced by pregnant scorpions are second-generation eastern Asian king scorpions. The second-generation eastern Asian king scorpions serve as female parents, the wild eastern Asian king scorpions serve as male parents to be hybridized, and litters reproduced by pregnant scorpions are third-generation eastern Asian king scorpions. The wild eastern Asian king scorpions serving as male parents or female parents before hybridization can be selected, and individuals which are strong and yellow in gourd, yellowish and bright in tails, bulging and round in forelimb pincers, quick in action and sexually mature are selected. The method for breeding scorpions has the advantages of little investment, rapid effect taking, small labor intensity and no pollution. Both wild resources are protected, and requirements of domestic and foreign markets can be met.

The invention discloses a waist simulation device of a bionic robot mouse based on differential gears. Under the driving of a motor (7), a pinion drives a back differential gear group (8); when two large gears of the back differential gear group (8) turn in the same direction, left and right wagging of the waist portion of the bionic robot mouse with respect to vehicle wheels can be realized; when the two large gears of the back differential gear group (8) turn in different directions, up and down pitching motion of the waist portion of the bionic robot mouse with respect to the vehicle wheels can be realized; and similarly, left and right wagging and up and down pitching motion of the waist portion of the bionic robot mouse with respect to fore limbs can be realized. The waist simulation device is to solve the problems that the simulated waist structure of the bionic robot mouse is low in control precision, and overlong in structure and cannot approximate to the real shape of a mouse well in appearance and the like.

The invention provides a mole-imitating excavation robot which comprises a body, a left fore limb and a right fore limb which are arranged in front of the body, a left posterior limb and a right posterior limb which are arranged in rear of the body, wherein fore limb claw toes are arranged on the left fore limb and the right fore limb, and posterior limb buckets are arranged on the left posterior limb and the right posterior limb. Four limbs are two-degrees-of-freedom mechanisms, independently move, circulate according to a desired trajectory and are changeable in trajectory radiuses. The left fore limb and the right fore limb mainly complete an excavation movement, and the left posterior limb and the right posterior limb mainly complete a dumping movement. Through a coordination movement of the four limbs, an advancing movement and a turning movement in a horizontal plane can be realized. The body is divided into a front part and a rear part which are connected through a torsion shaft and can relatively rotate by a certain angle, and therefore, the excavation trajectory of the robot turns in a vertical plane. The fore limb claw toes and the posterior limb buckets are fixed on the tail ends of the limbs through auxiliary slide blocks, and can rotate with the rotation of the limbs and retract with the retraction of the limbs, and therefore the functions of earth cutting and earth dumping are realized.

The invention relates to a heel bone anatomical form plastic reset bone fracture plate for heel bone fractures, which comprises a hind limb plate for fixing a heel bone on one side of a heel and a forelimb plate for fixing the heel bone on one side of a dorsum pedis, wherein a steel plate is 1.5-2.2 mm in thickness, the hind limb plate is in a bending structure and is 24-30mm in length, and the upper part of the hind limb is a bending bent towards the left along the middle part in an angle of 5-15 degrees; the bone fracture plate further comprises an upper limb plate and a lower limb plate, the upper limb plate and the lower limb plate are respectively fixedly connected with the upper part and the lower part of the hind limb plate, the upper limb plate is 24-28mm in length, the lower limb plate is 48-52mm in length, the front end of the lower limb plate is further fixedly connected with the bottom end of the forelimb plate, an included angle of 90-110 degrees is formed between the front end of the lower limb plate and the bottom end of the forelimb plate, and the forelimb plate is 18-22mm in length; locating holes for locating the specified points of the heel bone are respectively formed at the upper end of the forelimb plate, the front end of the upper limb plate, the upper and the lower ends of the hind limb plate, screw holes are formed on the hind limb plate, the forelimb plate, the upper limb plate and the lower limb plate, and the locating holes and fixing nail pilot holes are round or elliptical holes. The bone fracture plate achieves the optimal effects of reset and internal fixation for various types of heel bone fractures, and has the advantages of being little in damage, convenient to operate and firm for fixation.

An animal restraining shield comprising a planar sheet having a vertical edge and a horizontal edge and an aperture in the planar sheet sized to permit a head of an animal to pass through the aperture, wherein the animal restraining shield is adapted to limit motion of one or more limbs of the animal and wherein the vertical edge extends a downward distance from the aperture comprising at least a full length of a forelimb of the animal as measured from the head of the animal to a foot of the animal.

The invention discloses a blood collection device with a pull hook fixing function for deseased pigs in animal husbandry and veterinary, and relates to the technical field of livestock blood collection. The blood collection device with the pull hook fixing function for the deseased pigs in the animal husbandry and veterinary includes a base, wherein fixing columns are fixedly connected at the fourright angles of the top of the base; the front and rear sides of the top of the base are respectively embedded with the front and rear sides of the bottom of a placement mechanism; two-way threaded rods are movably mounted between the two fixing columns recpectively located on the left and right sides of the top of the base; positive and negative rotation motors are fixedly mounted on the two fixing columns located on the top of the base near the front side of the base. According to the blood collection device with the pull hook fixing function for the deseased pigs in the animal husbandry and veterinary, two pull hook mechanisms moving towards forelimbs of piglets are vertically parallel and are in contact with the forelimbs to squeeze the forelimbs of the piglets to straighten backwards; meanwhile, the two pull hook mechanisms in splay shapes move towards hind legs of the piglets to separate the hind legs of the piglets into splay shapes, and the preparation work of a precaval veinblood collection method is quickly completed.

A walking training device for rats with spinal cord injury of which blended leg motion is synchronized with a belt running speed relates to a walking training device for the rats and solves the problems that the prior device for training a hind limb blended leg motion of the rats with the spinal cord injury can not ensure the running speed synchronism of the blended leg motion and the movement slab. Two friction wheels are arranged on the upper end surface of a belt, and the two friction wheel are fixedly installed on a connection plate through a support rod. The connection plate is fixedly installed on a fixing frame. The outer lateral wall of each friction wheel is fixedly connected with one end of a corresponding linkage rod, and the other end of each linkage rod is fixedly connected with the fixing frame. Each linkage rod comprises a first rod and a second rod; one end of the first rod is hinged with one end of the second rod 8-2, and the angle between the first rod and the second rod is 60 degrees to 120 degrees; and the first linkage rod is fixedly connected with the fixing frame. One end of a weight reduction rod passes through the first connection rod to be arranged at the upper side of the belt and fixedly connected with a cylinder, and the other end of the weight reduction rod is provided with a weight; and the angle between the weight reduction rod and the horizontal line is 45 degrees to 60 degrees. The invention is suitable for training the hind limbs of the rats with the spinal cord injury.

A forelimb brace device suitable for use by snowboarders, skiers, in-line skaters and others protects against hyperextension and other injuries, by maintaining a selected orientation of the fingers, hand, wrist and forearm within a substantially rigid shell assembly having a palmar arch grip element and tensioning elements for maintaining a selected tension of the palmer element across the users' hand and forearm. The forelimb is maintained in a flexed position, while an extension stop prevents hyperextension of the phalanges, and a thumb portion prevents abduction or opposition injuries to the thumb.

Methods and apparatus for strengthening and straightening livestock legs are provided. These methods and apparatus include a use of a splint that has a brace and a securing mechanism. The splint is secured to the forelimb of an animal.

The invention relates to a suspension type animal fixing device. According to the invention, an object carrying platform is made from flexible materials, ear notches are arranged at one side of the object carrying platform, hind limb notches are arranged at the other side of the object carrying platform relative to the ear notches, forelimb notches are arranged between the ear notches and the hind limb notches, bonding devices are respectively arranged at end parts of the object carrying platform close to the ear notches and the hind limb notches, and form an animal head accommodating chamber and an animal hip accommodating chamber when being folded, an excrement collecting device consists of an excrement collecting opening and an excrement collecting barrel, the excrement collecting opening is formed on the object carrying platform, and is positioned between the two hind limb notches and near to the back, the excrement collecting barrel is arranged on a base frame, and the excrement collecting opening is orthographically projected on the base frame. As the object carrying platform is made from the flexible materials, is soft in texture, and is fixed in a suspending manner, and moreover hollows are introduced, an animal cannot find leveraging points in the struggle, thereby getting a higher comfort level, so that panic degree of the animal is greatly lowered, internal environment of the animal per se tends to be stable, and therefore errors are reduced during a pharmaceutical experiment.

The invention discloses a leg-foot type bionic robot mouse. The biomimetic robot mouse comprises a mouse head assembly (1), a forelimb assembly (2), a hind limb assembly (3), a waist assembly (4), anda neck. A forelimb attachment assembly (5), and a tail (6); The rear limb assembly (3) comprises a rear limb motor bracket (16) and a rear limb driving device (13) for directly driving the movement of the rear limb of a biomimetic robotic mouse (10). The forelimb assembly (2) comprising a forelimb motor bracket (27), forelimb driving means (24) for directly driving the forelimb movement of a mouse of a biomimetic robot, the mouse head assembly (1) comprising a mouse head, a steering gear I (29) and a steering gear II (30) for directly driving the mouse head of the biomimetic robot to pitch, yaw, neck, respectively. The forelimb driving means (24) comprises: The forelimb connecting assembly (5) is connected with the mouse head assembly (1) and the forelimb assembly (2), and the lumbar assembly (4) is connected with the forelimb assembly (2) and the hindlimb assembly (3). Thus, the bionic robot mouse of the present invention can solve the problems of low degree of bionics and low flexibility.

The invention provides a multi-purpose portable transfusion device for cows and relates to a device which is used for hanging transfusion bottles or post-operation bandages in a process of treating animals. The device is a double-layer and breathable canvas belt (1) which is 30cm in width, and one side of the canvas belt (1) is provided with a belt lacer (5); the side, close to the belt lacer (5), of the canvas belt (1) is provided with an assistant handle (7); a light and thin steel sheet (4) which is matched with the arc of the back of a cow is embedded in the top canvas of the canvas belt (1), a nut (6) is welded in the center of the steel sheet (4), the steel sheet (4) is connected with a bracket (8) through the nut (6), and the bracket (8) is provided with a transfusion bottle hanging disk (9); and the two ends of the canvas belt (1) is provided with a pair of small-sized belts (3) and small-sized belt lacers (2) respectively, which are used for binding forelimbs or posterior limbs. By the device provided by the invention, the problem that by the conventional cow-transfusing method, the cow is bound and limited so that the cow cannot move is solved, and the comfortable degree and treatment of the cow is relatively improved. The device can be used as an after-delivery belly belt which has the functions of fixing the womb in the abdominal cavity and alleviating the pain of the wound; the device can also be used for binding up the wound after an operation and protecting and fixing fractured ribs; and when the blood needs to be collected frequently or in a large amount, the device can be hung for binding a blood collecting machine for assisting in colleting blood.

The invention relates to fitness equipment bionic in modeling and action. The appearance of the equipment is a result of turtle-crane fusion, the bionic fitness equipment comprises a crane-belly-shaped base (1), a turtle-shell-shaped cover plate (2), a turtle-body-shaped case (3), fore limbs (4), hind limbs (5), a front support (6), a rear support (7), a turtle head (8), an inner driving mechanism (9) and a circular control panel (10). The fore limbs and the hind limbs can perform a positive symmetry action, an inverse symmetry action and a cross type arc action under the driving of speed changes and direction changes of an inner motor so as to drive a body builder who lies on the turtle shell to imitate crawling of a turtle, flying of a crane, diving of the turtle, waist arching of civet, crawling of a snake, fishtailing of a tiger, leg warping of a migratory locust and other bionic actions, and massage of acupuncture points in the hands, the feet and the belly can be achieved. Compared with an existing machine, the fitness equipment has more interestingness and action diversity, integrates aesthetics, medical science and bionics, and has huge market attractiveness.

The present invention discloses an electrical stimulation method for observing rat craniotomy motor cortex with the adjustable waveform and amplitude. The method is characterized in that: the motor area of the cerebral cortex is an advanced nerve center for regulating the body motor function, and, through the downward pathway of the pyramidal and extrapyramidal system, controls activities of the brain stem and spinal motor neurons, so as to control muscle movement. Corresponding effects occur after cortical electrical stimulation, experimenters attempt to, through the electrical stimulation of the motor area of the cerebral cortex, cause the effect of body movement, and observe the phenomenon of functional localization of the motor area of the cortex. The rat is fixed to a stereotaxic apparatus, the bone windows are opened, a cortical electrical stimulation using microelectrode is performed, and the electrode is inserted vertically into the position 1.8 mm below the cortex, and adjusted within a range of + / - 200 um so as to cause the maximum movement of the contralateral forelimb, facial hair and neck corresponding to the stimulation points. An electrical stimulator with the adjustable waveform and amplitude is further produced, is capable of accurately completing the experimental observation of electrical stimulation predetermined by experimenters, and provides technical support for the experiment.

The invention discloses a training device and a training method. The training device comprises a forelimb movement mechanism, a posterior limb movement mechanism, a linkage mechanism, a middle supporting mechanism and an inclination mechanism. The forelimb movement mechanism is installed on the tilting mechanism, the posterior limb movement mechanism is installed on the tilting mechanism, the linkage mechanism is connected with the forelimb movement mechanism and the posterior limb movement mechanism, the middle supporting mechanism is installed on the tilting mechanism, and the linkage mechanism is installed on the middle supporting mechanism. According to the training device, the comfort degree of a patient during crawling is greatly improved, and the crawling posture is corrected.

The invention provides an experiment seat used under electromagnetic radiation environment. Forelimb fixing devices, hind limb fixing devices, and a head fixing device are moveably arranged on a device fixing frame. The head fixing device comprises a necklace, a necklace groove, a locking device, a U-shaped hook, and a snap-fastener. The necklace comprises a left fixed necklace and a right moveable necklace. The left fixed necklace is fixedly arranged on one end of the necklace groove. The right moveable necklace is inserted in the necklace groove. The right moveable necklace is moveably connected with the locking device through the U-shaped hook. The bottom end of the locking device is provided with the snap-fastener. The locking device is connected with the device fixing frame through a shaft stool. Two sides of the locking device are provided with the forelimb fixing devices. The hind limb fixing devices are arranged under the necklace. The device is mainly used for binding and tonsure an animal in a waking state, for example, a macaque, and observing ethology of an animal in a waking state under electromagnetic microwave environment, and analyzing EEG of an animal under a narcotism.

An apparatus for treating a behavioral condition of an animal, including a loop coil; a signal generator coupled to the loop coil, the signal generator being configured to transmit a treatment signal through the loop coil; and a harness connected to one or more of the loop coil and the signal generator, the harness including one or more fasteners each configured to fasten to one or more of a neck and a forelimb joint of the animal to position the loop coil proximate a head of the animal, the treatment signal including a plurality of bursts having a peak amplitude of less than about 200 milliGauss, the plurality of bursts having an average duration of between about 0.5 msec and about 50 msec, and the plurality of bursts being repeated at between 0.01 and 100 Hz.

The invention discloses a vraisemblant giant panda toy and its fabrication method. The toy comprises soft feeling inner core with giant panda body surface and black beads arranged in the eye socket as the eyes of the giant panda. The method comprises cover and seaming black Lepus timidus, sheep or hircine fur on the apex of nose, lip, ears, forelimb, costae dorsalis, posterior limb, and eye sockets according to the body surface, shape, color, color distribution of the true giant panda, and covering and seaming the white Lepus timidus, sheep, or hircine fur on the rest part..Compared with former giant panda toy, the inventive toy is more like true giant panda in expression and appearance owing to the adoption of natural animal fur, which perfectly meets the requirement of Peking 2008 Olympic Games.

The invention discloses a device for measuring encircling force of frog fore limbs. The device comprises a pedestal; a round rod is mounted at the top end of the pedestal; a bending plate is arrangedon the outer wall of the round rod; a top rod is mounted on the inner wall of the bending plate; the top rod penetrates through one part of the round rod; a second inner cavity is formed in the roundrod. According to the device for measuring the encircling force of the frog fore limbs and through moving cooperation between a centimeter ruler mounted on the round rod and the bending plate on the round rod, the encircling force of the frog fore limbs is effectively detected; meanwhile, the moving distance of the bending plate is checked effectively through the centimeter ruler, so that the sizeof the encircling force of the frog fore limbs can be calculated conveniently; the fore limbs of the frog are put at the joint of a round block and a clamping ring, so that the clamping ring and a bayonet on a soft block are superposed and the fore limbs of the frog can be fixed effectively and conveniently; furthermore, the fore limbs are exerted under the condition of simulating the frog, so that the use efficiency and the practicability of the measuring device are improved and the use requirements of users are met.

The invention aims at providing a simulated movable toy dog, which is low in price and natural in walking, can realize two action modes of going forwards and backwards and is closer to a real dog. In order to achieve the effect, the simulated movable toy dog comprises a trunk and a head part, wherein the trunk is provided with leg parts. The simulated movable toy dog is characterized in that leg parts comprise leg root parts connected to the trunk by a motor; the leg root parts are connected with forelegs by electrorheological joints; and the motor and the electrorheological joints are respectively connected with a central control chip in the trunk. Due to the adoption of the technical scheme, the action modes of the simulated movable toy dog are closer to the real dog, simultaneously the simulation of running can be carried out besides walking, and the rotation of the joint parts is also more similar to the real dog.

The invention discloses a front limb wheelchair for a disabled pet dog. The wheelchair comprises a walking supporting mechanism and a supporting plate mechanism, the walking supporting mechanism comprises walking wheels, a connecting shaft and telescopic supporting rods, two walking wheels are arranged, the walking wheels are installed at the two ends of the connecting shaft respectively, a pair of telescopic supporting rods are arranged, and one ends of the telescopic supporting rods are fixedly and symmetrically connected with the connecting shaft. The walking supporting mechanism and the supporting plate mechanism are integrally designed to effectively help the pet dog to restore walking capability, a structural design which can be accommodated is adopted by the structural design of thetelescopic supporting rods on the walking mechanism and the parts between a main supporting plate on the supporting plate structure and a first auxiliary elastic supporting plate and a second auxiliary supporting plate, so that the wheelchair can be adapted to pet dogs with different heights, corresponding adjustment can be conducted during the growing process of the pet dog, and waste caused bydevice replacement due to the growing of the pet dog is prevented.

The invention provides a canine and pig experimental animal fixation device, comprising two column struts fixed at the front end of a movable bottom plate and two column struts movable at the rear endin the strut adjusting groove, Animal stretch cloth with forelimb fixing hole and hind limb fixing hole is hung by a plurality of adjusting through holes and movable hooks on that upright column support rod, Animal stretch cloth has a fixed row of holes for ventilation and position adjustment, There's an animal drain in the back, The front two upright struts are also fitted with a neck clip assembly that engages the neck of a dog or pig to hold the upper body in place, A movable bottom plate is adapted to fix the experimental animals of different fat and lean body shapes by changing the positions of the right bottom plate and the left bottom plate mutually so as to change the width, The movable bottom plate is provided with a movable wheel with a foot brake for facilitating free movementand locking. The invention has the beneficial effect that the technical problem that the dog and pig experimental animals are difficult to be fixed in scientific research is solved, and an experimental device capable of fixing the dog and pig experimental animals quickly, conveniently and effectively and without harming the dog and pig experimental animals is provided. The movable bottom plate isprovided with a movable wheel with a foot brake for facilitating free movement and locking.