589 results about "Index finger" patented technology

The invention relates to the technical field of data processing, in particular to a robot control method, device and system based on a diffusion model and a medium, and the method comprises the steps: collecting the position information of the tail end of an index finger and the state information of a flexible linear object in a human hand teaching process, and constructing a training sample; training the training sample by using a diffusion model, and learning mapping from a high noise state to a clear target state through a noise prediction network in the training diffusion model to obtain a trained diffusion model; the training process of the diffusion model comprises forward noise addition and reverse noise reduction; the state of the flexible linear object and the tail end position of the mechanical arm are collected, a current observation environment is constructed, the current observation environment is input into the trained diffusion model, a target action sequence is generated, and the mechanical arm is controlled to execute control actions based on the target action sequence; according to the invention, the accuracy and real-time performance of the robot to control the flexible linear object can be improved.

Disclosed is a lightweight hand exoskeleton force feedback apparatus, including a driver, a first rotating link, a second rotating link, a first linkage link, a second linkage link, a finger sleeve, and a pressure sensor fixing member; the driver is worn on a back of metacarpal bone of a human hand, the finger sleeve is fixed on an index finger, and the pressure sensor fixing member is fixed below the index finger; when the human hand bends to simulate a state of grasping an object, the driver drives the first rotating link to couple with the first linkage link and the second linkage link through the second rotating link to drive the finger sleeve to bend and stretch, force feedback is applied to the fingertip, and a pressure is accordingly imposed on a pressure sensor of the pressure sensor fixing member, so that closed-loop force feedback control is implemented.

The invention discloses a three-fingered dexterous hand driven by a wire traction mechanism. The three-fingered dexterous hand can realize full-drive and non-coupling characteristics. The robot dexterous hand is composed of fingers, a palm, a driving motor and a tensioning mechanism. The finger part is provided with an index finger, a middle finger and a thumb, the index finger is provided with four joints, the middle finger is provided with four joints, and the thumb is provided with three joints. And each joint is controlled by a corresponding motor. The whole robot dexterous hand has eleven degrees of freedom. The joints are physically uncoupled within an error allowable range, that is, the joints do not interfere with one another in movement. According to the robot dexterous hand, small objects can be grabbed, and objects such as shuttlecocks can be grabbed skillfully.

The present invention discloses a rigid-flexible coupling mechanical arm type plant phenotypic information measurement platform and measurement method, including a crawler walking module, a flexible mechanical arm module and a soft mechanical arm module; the soft mechanical arm module includes a rotating motor and a soft mechanical arm component; the soft mechanical arm component includes an index finger component, a thumb component, a soft pad, etc.; the surface of the index finger end joint, the thumb end joint and the soft pad is arranged with a sensor 1 and a sensor 2; the flexible mechanical arm module of the present invention can accurately control the position and direction, and perform efficient and large-scale phenotypic detection. By designing the flexible joint of the mechanical arm, the vibration generated when the mechanical arm moves is reduced, and damage to the plant is avoided when the plant phenotypic information is manually collected, so as to achieve high-precision and high-efficiency measurement of the plant phenotypic information. The present invention realizes accurate, automatic and non-destructive measurement of the phenotypic parameters of plant organs and the phenotypic parameters of the whole plant through the coordination of the index finger and thumb joint of the flexible part and the telescopic arm of the rigid part.

A torsioned pick for playing stringed instruments that offers control over the attack of the played notes, comprising: a guitar pick body, where the bottom part that is held by musician's fingers is twisted along the pick's longitudinal axis to create a double helicoidal geometry for the musician's index finger and thumb; and where the part of the pick that engages the string is twisted along the pick's longitudinal axis to create a double helicoidal geometry.

The invention relates to the field of manipulators, and discloses a bionic manipulator which comprises a mechanical palm, mechanical fingers and a first driving mechanism, the mechanical fingers comprise a thumb unit and an index finger unit, and the index finger unit is connected with the mechanical palm; the first driving mechanism is connected to the thumb unit and the mechanical palm, and the first driving mechanism is configured to drive the thumb unit to be close to or away from the index finger unit so as to adjust the distance between the thumb unit and the index finger unit; and the thumb unit is driven to swing towards the palm center of the mechanical palm or swing away from the palm center of the mechanical palm relative to the index finger unit. Thus, by means of the bionic mechanical arm, the distance between the thumb unit and the index finger unit can be adjusted, the thumb unit can swing towards the center of the mechanical palm or swing away from the center of the mechanical palm, more complex operation instructions can be completed easily, and use is convenient.

The invention discloses an auxiliary acupuncture and moxibustion device for a single-hand needle inserting technique. The auxiliary acupuncture and moxibustion device comprises a thumb sleeve, an index finger sleeve and a middle finger sleeve which are detachably arranged on the foremost finger sections of the thumb, the index finger and the middle finger of an operator in a sleeving mode respectively and have elasticity. The acupuncture needle device further comprises an ejection assisting mechanism for assisting an operator to carry out a single-hand needle feeding method. The ejection auxiliary mechanism comprises an outer U-shaped elastic sheet, an inner U-shaped elastic sheet and an elastic arc sheet; two arms of the outer U-shaped elastic sheet abut against the index finger and the thumb respectively, the bottom of the outer U-shaped elastic sheet abuts against the jaw, and the ends of the two arms on the two sides of the opening are connected with the thumb sleeve and the index finger sleeve respectively; the inner U-shaped elastic sheet is smaller than the outer U-shaped elastic sheet and is positioned in the outer U-shaped elastic sheet; according to the acupuncture needle device, the structural design, the operation convenience and the treatment effect are all optimized, automatic synchronization, mechanical balance and current conduction in acupuncture operation are achieved through the innovative structure and functions, and the defects of traditional acupuncture, electric acupuncture therapy and fingerstall type devices are overcome.

A wearable electronic device includes an electrode array for transdermal stimulation of a sensory nerve that itself innervates a body part distal to a worn location of the wearable electronic device. The transdermal stimulation is configured to induce an electrical current or voltage that evokes a sensory impression at an area innervated by the sensory nerve, not at the stimulated sensory nerve itself. In one implementation, the wearable electronic device takes a finger ring form factor worn on a proximal phalanx of an index finger. In this configuration, the wearable electronic device can stimulate a portion of a branch of the median nerve extending through the index finger. Upon stimulation of the median nerve, a user wearing the finger ring may perceive pressure applied to the user's fingertip.

A glove comprising: at least one shell formed of fabric in the shape of a hand, the shell having a body portion and five pockets configured to receive a thumb and four phalanges of a user, and wherein the shell has a palm side and a dorsal side opposite the palm side; a plurality of protective structures on the dorsal side of the shell; a coating on at least a portion of the palm side of the shell; and a thumb crotch reinforcement configured to safeguard a region between the thumb and index finger.

A selfie stick convenient for being operated with an index finger includes a clamping assembly, a supporting member, an extension and retraction mechanism, a handle and a shutter button. The clamping assembly having a main surface for facing the external equipment located on a first side. A step part is arranged on a surface of the handle located on the second side; the step part includes a first surface. From one side close to the second connecting part to one side away from the second connecting part, a distance between at least a portion of the first surface and an axis of the handle gradually increases. The shutter button is arranged on the first surface and configured to be operated with the index finger of the user to control the external equipment to take a photo.

The invention belongs to the technical field of medical care equipment, and particularly relates to a bilateral blood pressure measuring method, system and device based on pulse and finger pressure of both hands. The blood pressure measuring method comprises the steps that pressure signals and photoelectric pulse wave signals PPG generated when the thumb and the index finger of a user gradually pressurize and press are synchronously collected, and then peak values in the PPG signals corresponding to the pressure signals of 0 mmHg to 180 mmHg are fitted into an envelope line; the pressure signal value at the envelope peak moment is the average arterial pressure MAP, and the peak value is the pulse wave amplitude value AMAP of the average arterial pressure; then querying a blood pressure measurement normalization coefficient table to obtain a systolic pressure proportionality coefficient KSBP and a diastolic pressure proportionality coefficient KDBP corresponding to the current MAP; finally, the AMAP is multiplied by the KSBP and the KDBP to obtain the blood pressure detection process of the user. A signal detection part in the equipment comprises a pressure sensor and a photoelectric pulse sensor. The scheme of the invention has the advantages of high precision, simple measurement, good comfort and portability, and continuous measurement.

The present disclosure is directed towards systems and methods for interacting with a computing device in a virtual, augmented, or mixed reality environment. The system comprises a ring input device worn on a user's middle phalange on the middle finger and may also comprise a tracker module for tracking index finger pointing. The ring input device has a touch-sensitive surface for receiving input from the user's thumb, without substantially bending the thumb. The computing device is operably coupled to both the ring input device and the tracker module and configured to receive input from both simultaneously and execute actions corresponding to the received inputs. The disclosure offers an intuitive and effective approach to interacting with computing devices in various environments.

A handgun has a grip portion defining a magazine well, the grip portion having a web region configured to be grasped between a thumb and an index finger, a forward portion of the web region defining a first width. The grip portion also has a palm region configured to be grasped by a user's palm, the palm region defining a second width greater than the first width. A magazine is configured to be received in the magazine well and includes a hollow magazine tube with a single-stack portion and a double-stack portion positioned below the single-stack portion. For example, front portions of the opposite tube sidewalls have a stepped shape between the upper tube end and the double-stack portion.

An ergonomic device is for a writing instrument. The ergonomic device includes a body having a first curved side, and a second curved side opposite to the first curved side and to be adjacent to the writing instrument. The ergonomic device also includes a first arm between the first curved side and the second curved side and extending outwardly from the body. The first arm defines a first opening to receive an index finger and a middle finger of a user. The ergonomic device includes a second arm between the first curved side and the second curved side and opposite to the first arm. The second arm extends outwardly from the body and defines a second opening to receive a thumb of the user.

The invention discloses a driving device for a rope-driven hand rehabilitation robot and a control method. The device comprises a fixing frame, a large spool, a small spool, a planetary gear motor, a buckling driving rope, a stretching driving rope, a buckling driving module and a stretching driving module. The buckling driving module and the stretching driving module each comprise a plurality of optical shafts, a thumb sliding block, an index finger and middle finger sliding block and a finger rope. Movement of the thumb, the index finger and the middle finger is controlled through a single planetary gear motor, self-adaptive grabbing of the hand rehabilitation robot is achieved through a differential structure of a pulley block, and the cost and complexity of the system are reduced; a spring is used for controlling the distance between the thumb sliding block and the index finger and middle finger sliding block, so that the hand rehabilitation robot can return to the initial hand posture after completing self-adaptive grasping; and through the design of different radiuses of the large thread spool and the small thread spool, the kinematics difference during finger bending and stretching is compensated, and the use comfort and the control efficiency of the hand rehabilitation robot are improved.

To provide a button pressing aid attached to a jet spray can which helps elderly in using a spray, for solving problems for example, there are many types of sprays which are used by pressing by finger, a jet button, in household, for example, a cooking ignition spray used in a kitchen and a tree disinfection spray at a garden, however, due to aging, there are many cases in which, by nerve symptom, the hand of a user shakes and fingers are deviated from a button, and due to deterioration of muscles, one cannot strongly press the button.MEANS FOR SOLVING THE PROBLEM: To a spray can cylindrical container, a lower part of an acrylic board bent into a tunnel shape, is adhered, on an upper jet button facing position, a window which a forefinger can enter, is cut into a circular shape for opening. Therefore, the circular window on the acrylic board can hold the finger of a user pressing the jet button by its circumference for preventing the finger of the user from deviating from the jet button, in addition, an end (edge) of the circular window serves as a reaction resistance part for the finger pressing the button, thereby enhancing force of the finger pressing the jet button. In addition, by invention of many terms for example, pressing the jet button by the palm of the user by using a leverage rod instead of the forefinger and using the window colored by a fluorescent color for allowing a user to understand soon that there is the spray even in night. The invention can help elderly in using the jet sprays.SELECTED DRAWING: Figure 2

The invention relates to a rear pressure valve type mark pen and a use method thereof. The mark pen comprises a pen holder, an ink storage cavity separation cylinder and a movable cap. An inner cavity of the penholder comprises a first ink storage cavity; the glove further comprises a thumb attaching area and a rear-end finger attaching area, the thumb attaching area is used for positioning a thumb, and the rear-end finger attaching area is used for positioning a rear-end finger; the pen holder and the ink storage cavity separation cylinder are matched to form a first observation window and a second observation window. The first observation window and the second observation window are distributed in the circumferential direction of the pen holder, and the included angle between the first observation window and the second observation window ranges from 90 degrees to 180 degrees. The first observation window is used for allowing a user to observe the ink storage amount of the first ink storage cavity when the user presses the movable cap with the thumb. The second observation window is used for the user to observe the ink storage amount of the first ink storage cavity when the user presses the movable cap with the index finger. According to the mark pen, various ink outlet control selections are provided for a user, the ink storage amount condition can be observed in various modes, corresponding pen holding posture guiding is carried out, and more accurate ink outlet control is achieved.

The invention discloses a pulse detection device and an automatic pulse taking method, and relates to the technical field of medical instruments.The pulse detection device comprises a pulse detection body used for being worn on the hand and further comprises a first fingerstall, a second fingerstall and a third fingerstall which are worn on the index finger, the middle finger and the ring finger of a doctor respectively, and the first fingerstall, the second fingerstall and the third fingerstall are connected; piezoresistive pressure sensors are arranged at finger pulps of the first fingerstall, the second fingerstall and the third fingerstall respectively, the pulse detection body further comprises a signal conditioning circuit arranged at the position of the hand back, the piezoresistive pressure sensors are electrically connected with the signal conditioning circuit, and the signal conditioning circuit is used for detecting a first state when the first state is detected. And the processor is used for converting from the standby mode to the working mode, receiving a signal of the piezoresistive pressure sensor, processing the signal and sending the processed signal to the upper computer, and is also used for converting from the working mode to the standby mode when a second state is detected. The pulse condition data and the floating, middle and sinking pressure can be automatically collected when a doctor takes the pulse, the doctor does not need to control, the complete information such as the pulse diagnosis state, the floating, middle and sinking pressure and the cun-guan-chi pulse condition can be detected, and fusion of manual pulse taking and sensor pulse taking is achieved.

The invention belongs to the technical field of medical devices, and particularly relates to a medical anesthetic quantitative injector which comprises a medical needle tube, an injection needle is fixedly mounted on the outer wall of the bottom of the medical needle tube, and an anti-rolling touch plate is fixedly connected to the outer wall of the periphery of the top of the medical needle tube. A nitrile rubber buna injection valve plug is movably connected to the inner wall of the medical needle tube, an extension plate is fixedly connected to the outer wall of the top of the nitrile rubber buna injection valve plug, a pressing plate is fixedly connected to the outer wall of the end, away from the nitrile rubber buna injection valve plug, of the extension plate, and two quantitative keeping sleeves are movably attached to the outer wall of the top of an anti-rolling touch plate; the two quantitative keeping sleeves are symmetrically attached in a semicircular state, a fixing pull ring is fixedly connected to the outer wall of one side of each quantitative keeping sleeve, four-point contact is achieved through the index finger, the middle finger, the finger seam and the thumb of a physician, a more stable injection gesture is formed, clamping slipping is not prone to being formed, and the index finger, the middle finger and the finger seam form a triangular fixing base plate. And shaking caused by thumb pressing is reduced.

The utility model discloses a multifunctional restraining glove which comprises a glove body and further comprises an inflatable grip ball assembly detachably installed at the palm position of the inner side of the glove body. The first assembly is detachably installed on the wrist portion of the outer side of the glove body and provided with a detection module used for detecting physiological parameters of a patient and a display screen used for displaying the physiological parameters of the patient; the second component is detachably mounted on the outer side of the glove body close to the root of an index finger and is provided with a button type beeper. The multifunctional restraining glove can effectively restrain the hand of a patient, can conduct hand grip rehabilitation training on the patient, can monitor physiological parameters of the patient, can meet the requirements of the patient in time, guarantees medical safety and quality, and promotes rehabilitation of the patient.

An exoskeleton robotic equipment for tenodesis grasp and release training includes an exoskeleton mechanism and a control device. The exoskeleton mechanism includes a fixing seat worn on a forearm, an actuator device mounted to the fixing seat, and a transmission module connected to the fixing seat and pivotally connected to the actuator device and cooperating with the fixing seat and the actuator device to form a four-bar linkage mechanism. The actuator device is controlled by the control device to drive the transmission module to move relative to the fixing seat to change the transmission module into a release state and into a grasp state so as to move the index finger and the middle finger away from and toward the thumb.

The invention discloses a gesture interaction method and device in an XR environment, electronic equipment and a product, and relates to the technical field of gesture recognition. Determining a first distance between a fingertip joint of a thumb and a fingertip joint of an index finger and a moving direction of the index finger based on the spatial position information of the finger joints; based on the spatial position information of the palm center and the finger joints of all the fingers, second distances between the fingertip joints of the other fingers except the thumb and the palm center are determined; judging whether a finger is in a kneading state or not based on the first distance, the palm center orientation and the palm center constraint direction during kneading, judging whether the finger is in a holding state or not based on the second distance and the posture information of each finger, and judging whether the finger is in a poked state or not based on the index finger moving direction and the index finger orientation in the posture information; and if the virtual operation object is in one of the states at present and the virtual operation object conforms to the view limitation, generating a corresponding interaction instruction. According to the invention, the detection precision of kneading, holding and poking gestures can be improved, and the use experience and immersion are improved.

A batting glove (10) has a cover member (12) defining a central opening and a plurality of finger elements (20) including a forefinger element (24) and a thumb element (22). The batting glove (10) has a web member (14) generally positioned between the forefinger element (20) and the thumb element (22). The web member (14) minimizes force against a thenar region of a wearer's hand from a bat in response to hitting a ball with the bat.

A reel seat coupling a reel to a rod body of a fishing rod and a fishing rod including the reel seat are provided. The reel seat includes a seat body coupled to the rod body, and movable hood movably coupled to the seat body. The seat body includes a curved surface portion formed between a projecting portion and a bulging portion, and the curved surface portion is arcuately curved so as to effectively deliver a bite signal to index and middle fingers. The movable hood includes a hood portion positioned at an opposite side of the projecting portion in a vertical direction, and an accommodating portion accommodating the projecting portion, thereby preventing the index finger from coming into contact with the hood portion. The movable hood includes a reinforcing cover, and the reinforcing cover reinforces the hood portion and a guide protrusion of the hood portion.

The utility model discloses a kind of ampoule breaking gloves. The device of the utility model includes: vice finger sleeve is arranged on glove main body, vice finger sleeve includes three finger sleeves, respectively corresponding little thumb, ring finger and middle finger, index finger sleeve and thumb finger sleeve are arranged on glove main body;Thumb finger sleeve is wrapped with thumb gauze layer;The side of the thumb gauze layer towards index finger sleeve is opened with arc slot, and the arc slot is placed at thumb gauze layer finger palm portion;Grinding wheel piece is annular arc structure, the curvature of grinding wheel piece inside is adapted to the natural curvature of thumb finger palm, the inside of grinding wheel piece is embedded in arc slot, and grinding wheel piece two ends are provided with connecting belt, two connecting belts are tied on thumb gauze layer knot or buckle connection, and the outside of grinding wheel piece is exposed. The utility model can complete ampoule breaking by single hand operation, protect both hands while simplifying operation mode, improve efficiency.

The utility model provides a film. The pasting film comprises a pasting film main body, and the pasting film main body comprises a hand back pasting part and a thumb pasting part; a first slotted hole and a second slotted hole which are formed in the pasting film main body are formed between the thumb pasting parts, and the first slotted hole is used for a remaining needle infusion tube to penetrate out; the film body further comprises an index finger pasting part, and a third groove hole is formed between the hand back pasting part and the index finger pasting part. The pasting film body further comprises a middle finger pasting part, and a fourth groove hole is formed between the hand back pasting part and the middle finger pasting part. The pasting film body further comprises a ring finger pasting part, and a fifth groove hole is formed between the hand back pasting part and the ring finger pasting part. The sticking film provided by the utility model has the advantages that the sticking film can be stuck on a finger of a patient, large wrinkles of the sticking film can be effectively avoided, and the stability of an indwelling needle can be improved.

A single finger cap cleaning fabric with dental floss, which includes: a first contact fabric piece, a second contact fabric piece, floss, a plurality of joining hot melt threads, and a plurality of fixing hot melt threads. The users can insert their index finger inside a finger cap space formed between the first contact fabric piece and the second contact fabric piece, and then use their thumb to concurrently hold the first and the second long sides of the first and the second contact fabric pieces, thereby enabling using their index finger to move the first and the second contact fabric pieces to carry out the objective of cleaning their teeth, opening up the first and the second long sides of the first and the second contact fabric pieces to reveal the floss inside, and detaching one end of the floss enables cleaning the teeth therewith.

The utility model belongs to the technical field of waxberry picking, and particularly relates to a waxberry picking device based on different rainfall capacities, which comprises a mounting rack, an index finger clip and a thumb clip are rotatably connected to the outer side of the mounting rack, the index finger clip is arranged at the upper part of the thumb clip, and a first mounting plate and a second mounting plate are respectively fixed on one side of the index finger clip and one side of the thumb clip; a protection assembly is installed between the first installation plate and the second installation plate, the protection assembly is used for preventing too small waxberries from being picked, the protection assembly comprises a guide arc-shaped strip fixed to the bottom of the first installation plate, the guide arc-shaped strip is slidably connected with the second installation plate, and an abutting spring is arranged at the position, located on the outer side of the guide arc-shaped strip, of the bottom of the first installation plate. An abutting screw is in threaded connection with the interior of the first mounting plate, and a mounting cavity is formed in the bottom of the abutting screw. The red bayberry picking device can pick red bayberries according to the size of the red bayberries, especially judge the size of the red bayberries according to the change of rainfall, and selectively pick the red bayberries according to the size.

A finger mouse belongs to the technical field of computer indicating devices and comprises a mouse body and a forefinger placing portion, the mouse body is connected with the forefinger placing portion through a hose, a left mouse button is arranged on the forefinger placing portion, and an optical sensor is arranged at the bottom of the forefinger placing portion. A thumb placing part, an index finger bearing part, a roller key, a middle finger placing part, a ring finger placing part and a little finger placing part are arranged on the mouse main body according to finger shapes, a sensor switch key, a mouse right key, a mouse left key and an optical sensor are arranged below the middle finger placing part and the ring finger placing part, and the optical sensor, the roller key, the sensor switch key and the mouse right key are connected with a main control chip; and the main control chip is connected with the signal output part and the power supply. The mouse is designed according to the shape of a finger, the index finger placing part of the mouse moving control part adopts the concave curved surface design, an index finger is supported and placed, comfort is provided for the index finger after the index finger is used for a long time, and a mouse concave wrapping part is arranged on the index finger placing part.

The present invention provides gloves and a method for using gloves that protect the fingertips and allow for quick retraction and exposure of the fingertips while wearing the gloves without removing them, as needed. [Solution] The second finger portion 22 of the glove A, which can accommodate the index finger F2, has a fingertip covering portion 220 that can cover the tip region of the ventral side of the index finger F2, and a finger base covering portion 221 that can cover the base region from the center of the ventral side of the index finger F2 towards the base. A slit portion 3A is formed from a base edge portion 220a provided at the base end of the fingertip covering portion 220, and a toe edge portion 221a provided at the toe end of the finger base covering portion 221, which is opposite to the base edge portion 220a. Furthermore, the fingertip covering portion 220 and the finger base covering portion 221 are made of fabric with a raw-cut finish.