21 results about "Forelimb" patented technology

The invention relates to the technical field of underwater operation robots, and particularly discloses a double-propulsion water area detection bionic sea turtle with drug delivery, which comprises a central deck, a bionic forelimb is arranged on the front side of the top of the central deck, and a bionic hind limb linked with the bionic forelimb is arranged on the rear side of the top of the central deck. Spiral propellers are arranged on the two sides of the central deck, and a walking crawler belt is arranged at the bottom of the central deck; a stock bin is arranged on the rear side of the top of the center deck. According to the double-propulsion water area detection bionic sea turtle with the drug delivery function, the walking crawler belt can be used for advancing on the land, and people do not need to put the bionic sea turtle into a swimming water area; the spiral propeller can be used as power to advance in a fish-free water area, so that the advancing efficiency is ensured; the bionic forelegs and the bionic hind limbs are used as propelling power in the culture area, and fish schools cannot be disturbed. Meanwhile, the bionic forelegs and the bionic hind limbs are linked through the linkage rods, and driving equipment is saved.

The present invention relates to the technical field of underwater operation robots, and specifically discloses a dual-propulsion water area detection bionic turtle with drug delivery, comprising a central deck, a bionic forelimb is arranged on the top front side of the central deck, a bionic hind limb linked with the bionic forelimb is arranged on the top rear side of the central deck, spiral propellers are arranged on both sides of the central deck, and a walking track is arranged on the bottom of the central deck; a silo is arranged on the top rear side of the central deck. The dual-propulsion water area detection bionic turtle with drug delivery can use the walking track to move forward on land, without the need for personnel to put the bionic turtle into the swimming water area; the spiral propeller can be used as the power to move forward in the fish-free water area, thereby ensuring the forward efficiency; the bionic forelimb and the bionic hind limb are used as the propulsion power in the breeding area, which will not disturb the fish. At the same time, the bionic forelimb and the bionic hind limb are linked by a connecting rod, saving the driving equipment.

The invention discloses a cylinder device for detecting anterior limb asymmetry of murine animals and a detection method. The cylinder device is composed of a double-layer transparent cylinder, a top wide-angle infrared camera, a detachable transparent touch-sensitive lining, a base rapid lock catch and a data processing unit. The lining coaxially overlaps the capacitor partition array and the ultrathin force-sensitive film, and outputs a touch position and a load-bearing signal in real time; the top camera synchronously collects videos, and forelimb sides and light / load-bearing touch are judged through timestamp fusion. The inertial measurement unit is arranged in the system to eliminate false signals, consumable sterilization replacement is supported, and after the set touch times or the statistical time is reached, automatic ending is achieved, and a report is generated. Compared with previous experimental equipment, the experimental device can intelligently obtain behavioral data of rats, judge forelimb side and light / load-bearing touch and eliminate false signals, and the behavioral data detection accuracy is high.

The invention belongs to the technical field of biology, and particularly relates to a scoliosis rat model construction method which comprises the following steps: S1, obtaining an experimental animal, removing the forelimb and the tail of the experimental animal, enabling the gravity direction of the experimental animal to be parallel to the spine, and obtaining a biped animal; s2, performing excision treatment on a deep paravertebral muscle group on one side of the biped animal to obtain an experimental animal with muscle mechanics imbalance; and S3, performing exercise load stimulation treatment on the experimental animal with muscle mechanics imbalance to obtain the scoliosis animal model. According to the method disclosed by the invention, the scoliosis animal model capable of highly simulating human disease characteristics is constructed by combining axial gravity load under a two-foot standing posture, structural and mechanical unbalance caused by directional unilateral deep paravertebral muscle excision and regular movement stimulation; the method can accurately and controllably induce scoliosis in a specific direction opposite to a muscle resection side, and has a wide application prospect.

A biomimetic turtle includes a waterproof housing unit, front and hind limb driving motors, and front and hind limb modules. The waterproof housing unit includes a waterproof casing defining a waterproof space therein, and having front and hind limb connecting holes in fluid communication with the waterproof space, and front and hind limb connectors connected respectively to the front and hind limb connecting holes. Each front limb driving motor includes a front limb driving shaft connected to a respective one of the front limb connectors. Each hind limb driving motor includes a hind limb driving shaft connected to a respective one of the hind limb connectors. The front and hind limb modules are connected respectively and detachably to the front and hind limb connectors, and are driven respectively by the front and hind limb driving motors via the front and hind limb connectors as being controlled by a control unit.

The dog blood sampling limb positioning device comprises a bottom plate, a forelimb fixing assembly and a hind limb fixing assembly are arranged at the two ends of the bottom plate in the length direction respectively, a driving assembly is arranged on the bottom face of the bottom plate, and the driving assembly is used for driving the hind limb fixing assembly to move in the length direction of the bottom plate; a plurality of second lifting columns are further arranged on the top face of the bottom plate, and a supporting plate used for supporting the abdomen of the dog is arranged at the top ends of the second lifting columns. The driving assembly is used for driving the hind limb fixing assembly to move in the length direction of the bottom plate, the distance between the fore limb fixing assembly and the hind limb fixing assembly can be adjusted, and the dog fixing device is suitable for fixing the four limbs of dogs with different body lengths; the supporting plate can ascend or descend through the second lifting column along with swing of the body of the dog, and the purposes that the acting point of the dog is lowered, the swing amplitude of the body and four limbs of the dog is reduced, and blood sampling of workers is facilitated are achieved.

1. Name of the product of this design: Forelimb of a fishing lure. 2. Purpose of the product of this design: Overall use: used for lure fishing; Local use: the front limbs of the fishing lure can swing with the water flow to lure fish to chase and bite the lure. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture. 5. Other situations that need to be explained Other explanations: This product is a partial appearance design, and the blue part is the part that requires protection; the blue part does not request color protection.

To more easily determine the position of a fetus in a mother cow's womb. [Solution] The information processing device (1) comprises an acquisition unit (101) that acquires an image of the end of a fetus's limb at the beginning of labor, an estimation unit (102) that inputs the image acquired by the acquisition unit (101) into a learning model that has been trained using learning limb images that are images showing the forelimbs and hindlimbs of at least one individual fetus after the beginning of labor and a newborn calf within five days after labor, and estimates whether the imaged end of the limb is a forelimb or a hindlimb, and an output unit (103) that outputs the estimation result by the estimation unit (102).

The utility model relates to a novel jumping bionic frog, and relates to the technical field of bionic machinery. Comprising bionic plates, the head, the trunk and forelimbs of the bionic plates are integrally arranged, two sets of bionic plates are symmetrically arranged, hind limbs are installed on the opposite sides of the bionic plates and control bounce of the bionic plates through a control device, fixing blocks are rotationally installed at the ends, away from the bionic plates, of the hind limbs, and flippers are installed on the fixing blocks. Firstly, the bionic jumping design is achieved by arranging the torsional spring, the bionic frog takes the change of muscles and bones caused by frog jumping as a reference, the torsional spring is used for simulating the hind limbs of the frog, biomechanics and a mechanical mechanism are ingeniously combined, and the bionic frog has an excellent jumping function; and secondly, by arranging the control device, the motor, the control rope and the trigger mechanism are combined, so that the transmission mode is more compact, and the occupied space is smaller. The trigger mechanism is adopted to trigger bounce, so that bounce triggering of the bionic frog is more stable, and mistaken touch is not prone to occurring.

The utility model discloses a device for inducing intervertebral disc degeneration by standing both feet of a rat, which belongs to the technical field of animal models with human diseases and comprises a movable ring and a magic tape, a plurality of support legs are welded around the center of the bottom of the movable ring, universal wheels are arranged at the bottoms of the support legs, a fixed block is welded inside one end of the movable ring, and a fixing block is welded inside the other end of the movable ring. Connecting assemblies are arranged at the tops of the fixing blocks, binding assemblies are arranged on one sides of the connecting assemblies, and the hook-and-loop fasteners are located between the binding assemblies. The movable ring, the connecting assembly and the binding assembly are arranged, rats of different body types are fixed through cooperation of the back fixing plate and the chest fixing plate, spine bending of the rats is prevented, and after the binding assembly is connected with the movable ring through the connecting assembly, the rats can be forced to walk vertically so as to support modeling; the forelimb of the rat can extend out of the forelimb limiting groove, the forelimb is fixed through the forelimb limiting groove to prevent the rat from escaping, so that the forelimb of the rat does not need to be cut off through an operation, and the modeling process is simple and humanized.

As shown in the "Reference Diagram Showing the State of Use" (a diagram showing the state of attachment using a model of an animal's bone), this item is an external fixation device for treating fractures that is attached to the fractured limb of an animal, such as a dog, to elastically fix the limb; the limb is passed through the approximately annular ring portion and attached, and the entire limb can be held in an extended position while traction is applied to it.

This invention discloses an auxiliary device for artificial semen collection from sheep, including a base plate, a first pad and a second pad on the top of the base plate, a first positioning mechanism on the second pad that can clamp and restrain the sheep's forelegs, and a second positioning mechanism above the first pad that is driven by the first positioning mechanism to clamp and restrain the sheep's rump. This invention, through the pads and positioning mechanisms on the base plate, can assist in the artificial positioning and fixing of the forelimbs and buttocks of the estrus-induced ewe, so as to facilitate subsequent semen collection from the ram, making the process stable and efficient.

As shown in the "Reference Diagram Showing the State of Use" (a diagram showing the state of attachment using a model of an animal's bone), this item is an external fixation device for treating fractures that is attached to the fractured limb of an animal, such as a dog, to elastically fix the limb; the limb is passed through the approximately annular ring portion and attached, and the entire limb can be held in an extended position while traction is applied to it.

This application relates to a capture and disposal device for crown-of-thorns starfish, comprising a body structure, a nighttime identification device, a chemical injection device, a suction and crushing device, and a battery. The body structure includes a torso, a head, two forelimbs, and two hindlimbs connected by joints; an equipment compartment and a watertight cover are located on the back of the torso; the chemical injection device includes a storage tank, a metering chamber, a needle, a liquid guide tube, and a drive unit, with the storage tank, metering chamber, and drive unit located within the equipment compartment; the metering chamber has an inlet check valve and an outlet check valve at its end, the inlet check valve being connected to the storage tank via the liquid guide tube, and the outlet check valve being connected to the needle via the liquid guide tube; the suction and crushing device includes a processing chamber and a crushing impeller, with the crushing impeller disposed within the processing chamber. This application uses the chemical injection device to inject targeted chemical agents into the crown-of-thorns starfish; the suction and crushing device crushes the crown-of-thorns starfish and discharges it from its tail.

A gear and rack bionic frog comprises a forelimb mechanism, a hind limb mechanism and a driving motor which are arranged on a trunk groove mounting plate, a head device and a tail device are arranged at the two ends of the mounting plate, a gear is arranged on a driving shaft on the driving motor, shaft holes are formed in groove plates on the two sides of the trunk, and the shaft holes are matched with the two ends of the driving shaft. The lower end of the head device is provided with an inner rack meshed with the gear, the upper end of the head device is provided with a fixing groove, and a fixing rod is arranged between the upper ends of the hind limb devices and connected with the fixing groove through an ejection device. The tail device is fixed to the fixing rod, the driving motor is controlled to enable the head device to move forwards, after the ejection device reaches the limit, the tail device is controlled to loosen the fixing rod, the bionic frog completes jumping, and through reasonable arrangement of the mechanism, the bionic degree of the bionic machine is improved, and the jumping capacity of the bionic machine is enhanced.

The invention belongs to the technical field of experimental animal operation auxiliary equipment, and discloses a rat jugular vein blood taking fixing table convenient for one-man operation, which comprises a blood taking base table and a rat fixing frame, the top face of the front portion of the blood sampling base is in a slope shape with the front portion lower than the rear portion, the top of the slope is vertically and rotatably connected with a head supporting plate, and a head fixing groove is formed in the head supporting plate. The rat fixing frame is detachably connected to the upper portion of the blood sampling abutment and comprises a U-shaped posterior limb fixing frame, a C-shaped forelimb fixing frame and a trunk fixing frame, the two ends of a C-shaped opening of the forelimb fixing frame are rotationally connected with the U-shaped opening end of the posterior limb fixing frame respectively, and four-limb fixing units with air bags are arranged on the posterior limb fixing frame and the forelimb fixing frame respectively. According to the fixing table, after a rat is fixed to the rat fixing frame, the whole fixing table is overturned and clamped to the blood taking base table, supine position fixing of the rat is completed, and single-person operation is achieved; the forelimb fixing frame and the posterior limb fixing frame can rotate up and down, so that the hypsokinesis angle of the neck of the rat can be conveniently adjusted, and the blood taking part is fully exposed.

1. The name of this design product: Pet leg support (forelimb). 2. Purpose of this product design: This product design is used to fix pet joint fractures. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

The utility model provides an arm rotating device for a simulation animal, which belongs to the technical field of simulation animals and comprises a mounting frame and a shoulder component rotatably connected to the side wall of the mounting frame, the shoulder component comprises a shoulder joint rotatably connected to the side wall of the mounting frame and a rotating hydraulic cylinder rotatably connected to the inner wall of the mounting frame; the upper arm assembly is rotationally connected to the inner wall of the shoulder joint; the transmission assembly is fixedly connected to the inner wall of the mounting frame; the lower arm assembly is rotationally connected to the outer wall of the transmission assembly; and the telescopic assembly is fixedly connected to the interior of the upper arm assembly. The freedom degree of movement of the fore limbs of the simulation animal is expanded through the freely rotating shoulder joint, the arm length proportion of the fore limbs of the simulation animal is simulated through the first telescopic arm and the second telescopic arm, the length of the first telescopic arm and the length of the second telescopic arm can be freely adjusted, the simulation effect is improved, and the simulation range of the device is enlarged.

The present application relates to a kind of rat limb bone modeling fixing device, belong to the technical field of animal experiment instrument, solve the difficulty of modeling operation field exposure, the soft tissue, blood vessel and nerve that have been exposed are vulnerable, involve the operation of knee joint all need to keep the stability and upright of knee joint, but current can only rely on artificial fixation problem.The present application includes first support, second support and adapter rod, first support and second support are connected by adapter rod, first support and second support can rotate around adapter rod, first support and second support are used to support the forelimb or hind limb of rat, first support and second support rotate around adapter rod and form included angle, to carry out rat knee modeling operation.The length, width, height and angle of the first support and second support of the present application can be adjusted, to be suitable for the forelimb or hind limb of different length of rat, and the angle of knee flexion and knee exposure degree, increase the convenience of operation.

The present invention discloses a bionic pad-claw composite structure manipulator, comprising a palm portion, knuckles, and fingers. The palm portion is provided with a movable structure that can drive the knuckles to move to complete a grasping action. The finger portion includes an active module and a grasping module. The grasping module includes an inner pad, a middle pad, and an outer pad. The middle pad is provided with a claw array, and the inner pad is provided with an inner pad gap, through which the claw array can extend. The present invention mimics the grasping pad structure of the forelimbs of cats. The extension and retraction of the claw array can be controlled by the active module, enabling the fingers to freely switch between flexible and claw grasping modes. The grasping mode can be switched according to the type of object to be grasped, and effective grasping of objects can be achieved without changing the manipulator when grasping different types of objects. Compared with traditional manipulators, this bionic manipulator can adapt to different types of objects in different scenarios and has a wide range of application scenarios.

This makes it easier to determine the fetal position of a fetus within the mother cow's womb. [Solution] The information processing device (1) includes an acquisition unit (101) that acquires images of the ends of the limbs of a fetus at the beginning of delivery, an estimation unit (102) that inputs the images acquired by the acquisition unit (101) into a learning model that has been trained using learning limb images, which are images showing the forelimbs and hindlimbs of at least one individual of a fetus after the beginning of delivery and a newborn calf within 5 days after delivery, to estimate whether the captured limb ends belong to the forelimbs or hindlimbs, and an output unit (103) that outputs the estimation result from the estimation unit (102).