164 results about "Middle finger" patented technology

The utility model discloses a high-flexibility flexible mechanical finger supporting forward and reverse holding and a manipulator. The mechanical finger comprises a middle finger section, a base finger section and an end finger section, wherein the base finger section and the end finger section are rotationally connected with the two ends of the middle finger section respectively. Driving units are arranged in the end finger section, the middle finger section and the base finger section; bevel gear transmission units are arranged at the tail end of the end finger section, the tail end of the middle finger section and the tail end of the base finger section; the driving units are in transmission connection with the corresponding bevel gear transmission units; the driving unit drives the end finger section and the base finger section to rotate by taking the corresponding bevel gear transmission unit as a central shaft; through the structure and position design of the micro driving motor and the bevel gear transmission unit, each finger and each knuckle of the manipulator can be flexibly controlled, so that the manipulator has higher bionic flexibility and more precise grabbing capacity, and can be suitable for different scene requirements; by means of the special inserting mode between knuckles, the left-right hand grabbing function of the single mechanical arm is achieved.

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.

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.

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.

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.

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.

1. Name of the product in this design: Powder Puff (Large Double-Pointed Middle Finger Style). 2. Purpose of this product design: Makeup puff. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.

This invention provides an adaptive grasping dexterity hand, comprising: a fixed drive mechanism, a proximal joint mechanism, a middle joint mechanism, and a fingertip mechanism. The fixed drive mechanism includes a base, a drive component, and a reversing transmission component. The proximal joint mechanism includes a proximal joint rod and an adaptive component. The middle joint mechanism includes a middle joint rod and a middle finger transmission rod. This invention forms a unique double four-bar composite transmission system to achieve high-precision biomimetic simulation. Simultaneously, the adaptive component can dynamically adjust the relative position and gripping force of each joint in real time, thereby achieving adaptive envelope of the object. This dynamic adaptability significantly improves the envelope grasping stability of the dexterity hand for objects of different shapes and sizes, effectively expanding its application scenarios. Compared to conventional dexterity hand structures, this application has significant advantages such as high flexibility, strong grasping adaptability, lightweight structure, and low control energy consumption, providing new directions and ideas for dexterity hand structure design.

The invention discloses a method for clamping corrosive sundries, which comprises the following steps: after an operator stretches a hand into an armlet, the index finger and the middle finger respectively stretch into finger rings of a left clamping part and a right clamping part of a scissor structure of a clamping device, and the armlet sleeves the arm part of the operator for positioning; opening and closing are conducted by operating the scissor structure through the index finger and the middle finger of an operator, and corrosive sundries are clamped through the corresponding clamping ends of the left side clamping part and the right side clamping part. The hand of an operator is separated from corrosive sundries, the distance between the operator and the corrosive sundries is increased, the clamping safety of the corrosive sundries is improved, operation is easy, use is convenient, and safety is high.

Disclosed are a line reel seat and a fishing rod including the same. The line reel seat couples a line reel to a rod body of a fishing rod. The line reel seat includes a seat body coupled to the rod body and a movable cover movably coupled to the seat body. The seat body includes a curved portion formed between a protruding portion and a bulging portion, and the curved portion is curved in an arc shape to effectively transmit a hooking signal to an index finger and a middle finger. The movable cover includes a cover portion located on opposite sides of the protruding portion in a vertical direction, and a receiving portion receiving the protruding portion, thereby preventing the index finger from being in contact with the cover portion. The movable cover includes a reinforcing cover reinforcing the cover portion and a guide protrusion of the cover portion.

A hand tool apparatus is disclosed herein. In at least one embodiment, a handle portion provides opposing handle ends. At least one of the handle ends provides a ferrule and an axially aligned vibrational shaft, which cooperate to define an internal receiver channel configured for receiving a shank of an instrument portion therewithin. A central core is positioned between and engaged with the handle ends. A grip layer encases the handle portion while leaving the ferrule unobstructed. During use, with a side pad of a user's middle finger in contact with the ferrule and each of the user's thumb and index finger in contact with the grip layer, vibrations from a working end of the instrument portion are transmitted to the user's middle finger, while the user's thumb and index finger are protected from said vibrations, allowing for tactile feedback while substantially preventing transmission of vibrations to the user's hand.

Even if the operation is repeated for a long time in a gripping state where the belly of the index finger is placed on the blade edge, accurate cooking operations can be maintained. 【Solution means】A cooking knife 100 including a blade 10 and a handle 20, wherein the handle 20 has a finger rest portion 23 formed at a position near the handle 20 on the blade edge 11 of the blade 10 where the belly of the index finger can be placed, a thumb groove portion 21 formed at a position hitting the belly of the thumb in a state of gripping the handle 20, and a middle finger groove portion 22 formed at a position hitting the belly of the middle finger in a state of gripping the handle 20.

The invention relates to the technical field of medical instruments, in particular to a medical broken instrument taking-out lantern ring device which comprises a lantern ring assembly, a connecting assembly, a sleeve assembly and a restorer, the lantern ring assembly comprises a lantern ring wire, the lantern ring wire is bent to form a lantern ring, and the lantern ring is used for taking a broken instrument in a sleeving mode; the connecting assembly is connected with the lantern ring assembly; the sleeve assembly is connected with the connecting assembly; the repositor is arranged at the tail part of the sleeve assembly, and the sleeve ring is tightened on the broken instrument by pushing the repositor through the sleeve assembly and the connecting assembly, so that the broken instrument is taken out by pulling. The index finger and the middle finger clamp the sleeve and abut against the finger support, the thumb abuts against the spring cover, the index finger and the middle finger extrude the finger support, the lantern ring can be shrunk to firmly sleeve a broken instrument, then the device is pulled outwards, the broken instrument is pulled out, the whole operation process is simple, and operation is convenient.

The invention discloses an electric thyroid puncture suction device which comprises a needle cylinder, a piston, a piston rod, a shell and a driving device. The shell and the driving device are detachably connected, the driving device is installed in the shell in an embedded mode, the tail of the piston rod is connected with an execution part of the driving device, and a switch connected with the driving device is arranged on the outer side of the shell; the appearance of the shell is a cylinder, the shell and the needle cylinder are coaxially connected, and the outer diameter of the shell meets the following use conditions that an operator can use a thumb, an index finger and a middle finger to hold the shell to execute a puncture operation. A doctor can directly operate the electric thyroid puncture and suction device by using the habitual gestures of the doctor, and the doctor can successfully puncture without changing the holding posture and only needs to operate the switch by using a thumb or a little finger, so that the suction operation is easily carried out, and the large hand action and physical output of the doctor are reduced.

The invention relates to the technical field of drug delivery devices, and discloses a nasal delivery-based exosome brain delivery device, which comprises a drug bearing mechanism and a delivery mechanism positioned above the drug bearing mechanism, the delivery mechanism includes a hose for delivering a solution. A composite sealing structure of a magnetic suction sleeve and a magnetic suction ring is adopted for the quick release assembly, the self-closing design of a duckbill valve is matched, the problem of nozzle blockage caused by exosome solution residues is effectively solved, a miniature spiral groove formed in the inner wall of the nozzle remarkably reduces adhesion of viscous medicine to the tube wall by generating a centrifugal force field, and the effect of medicine spraying is improved. The holding mechanism innovatively adopts a bionic hinge structure of a thumb holding rod and a middle finger holding rod, an adjustable friction surface is formed by combining a magnetic suction sliding sheet in a limiting groove channel, multi-point anti-skid contact is formed on the surface of the device in cooperation with the automatic weight balancing function of a gravity balancing assembly, and the problem that a traditional device is unstable in holding is solved; the stability and the precision of the exosome in the nasal delivery process are obviously improved.

The utility model provides a pair of anus finger examination gloves with a lubricating function. The annular liquid storage part is arranged at the first knuckle, close to the near end of the palm part, of the finger part, before finger examination, a doctor wears the glove hand and pulls open the easily-torn dotted line structure, so that internal lubricating liquid overflows downwards along the circumference of the finger part, the whole finger part is coated with the lubricating liquid under the assistance of the other hand, and then finger examination can be started quickly; the finger examination preparation time of doctors is shorter, the examination time of patients is further shortened, and the workload of the doctors is reduced. And two implementation modes of the annular liquid storage part are provided, so that medical staff can tear the tear guide strip more conveniently, the lubricating liquid in the tear guide strip is released, the structure is simple, and operation is convenient and fast. Moreover, the annular liquid storage part can be arranged on the index finger or the middle finger, a doctor can correspondingly select the model of the annular liquid storage part arranged on the index finger or the annular liquid storage part arranged on the middle finger according to the operation habit of the doctor, and higher practicability is achieved.

The invention provides automatic spine pinching equipment simulating a human hand and a control method of the automatic spine pinching equipment, and relates to the technical field of medical instruments. According to the automatic spine pinching equipment simulating the human hand, the first rolling wheel device rotates to push the skin to move in the direction the same as the moving direction of the spine pinching equipment, so that the pushing action of the thumb on the skin during spine pinching is simulated; the second roller device and the third roller device rotate to push the skin to move in the direction opposite to the moving direction of the spine pinching equipment so as to simulate pinching and squeezing actions of the index finger and the middle finger of the human hand on the skin during spine pinching. The second roller device and the third roller device are driven by the roller driving device to alternately contact with the skin to simulate the spine pinching operation of a human hand, so that the conditioning effect of spine pinching can be effectively exerted, the problem that the conditioning effect is influenced by non-uniform manipulation caused by long manual spine pinching time can be solved, and the working efficiency is improved. And the problem that the conditioning effect is poor due to the fact that the skin cannot be well pinched by existing spine pinching equipment can also be solved.

The utility model discloses a multifunctional picking three-finger manipulator which is characterized in that a motor is arranged on the top of a motor end cover supporting frame, a straight gear at the center of the bottom of the motor end cover supporting frame is meshed with three large straight spur gears which are evenly distributed in the circumferential direction, and the large straight spur gears are connected with pinions on a supporting plate through coaxial bevel gears. The small gear is coaxial with the large stop roller on the back to form a three-stage transmission system; a picking mechanical palm is fixed to the bottom of the motor end cover supporting frame, three picking fingers are evenly distributed below the mechanical palm and comprise far finger joints, middle finger joints, near finger joints and finger roots, damping springs are arranged in the middle finger joints and the near finger joints, and a fruit fixing device is installed in the center of the mechanical palm and connected with the mechanical palm through a fruit size adjusting device. The device is driven by a single motor to realize three-finger collaborative enveloping movement, the mechanical structure is simplified, the control complexity is reduced, the picking adaptability is high, and lossless picking operation of fruits in various forms can be completed.

The invention discloses an antigen detection kit for helicobacter pylori in gastric and duodenal mucosa mucus, and relates to the field of medical treatment, after a sampling brush is used for fully brushing mucus on the surfaces of gastric and duodenal mucosa through a gastroscope, the sampling brush is directly inserted into a strip-shaped hole, then a first finger pressing part and a second finger pressing part are respectively pinched by the index finger and the middle finger, and the first finger pressing part and the second finger pressing part are pressed; when the rubbing frame slides, the sampling brush is pressed into the upper portion of the rubbing frame along with rolling, and the sampling brush is extruded to be located on the rubbing frame and rubbed repeatedly under the cooperation of the pressure applying part. And a mucus sample adhered to the rubbing frame is fully collected and uniformly distributed on the rubbing frame. According to the helicobacter pylori antigen extraction device, the sampling brush is directly inserted into the device, standardization is achieved through fixed pressing times, the requirement for the stability of the helicobacter pylori antigen extraction amount is met on the basis of labor saving and simple working procedures, and the false negative result caused by complex manual operation steps or insufficient sample separation is avoided.

The invention relates to the technical field of finger separators for archery sport finger protection devices, in particular to a finger separator for an archery sport finger protection device with stepless thickness and radian adjustment. Comprising a clamping plate and a positioning seat clamped at one end of the clamping plate, an extrusion block assembly is arranged at the other end of the clamping plate, the positioning seat is used for fixing the position of the clamping plate, and the extrusion block assembly controls the opening and closing distance of the clamping plate by extruding the clamping plate. Stepless adjustment of the thickness and the radian can be achieved, the limitation of single adjustment of an existing finger separating device is broken through, a shooter can accurately adjust the finger separating device to the optimal state according to the finger thickness, the natural bending radian and the bow pulling habit, local compression is greatly reduced, the long-time shooting fatigue feeling is reduced, the index finger and the middle finger can be stably separated, and the shooting effect is good. Finger displacement is prevented from interfering with arrow shedding, and archery stability and hit precision are guaranteed.

To provide a nail file that improves stability and operability during filing work.SOLUTION: The nail file of the present invention is designed such that a constricted hourglass-shaped portion at a central part of a body can be held between the areas around the first and second joints of two fingers such as the index finger and middle finger, giving a feeling of holding the tool with the whole palm and making it easy to handle. The nail tip to be filed is covered by an arcuately curved, semicylindrical filing surface, which prevents the nail tip from easily slipping off the file. In the present invention, since the tip of the nail closely contacts the curved filing surface, the nail is less likely to slip off the file, and at the same time, a wide area of the nail can be filed, thereby shortening the filing time. Because the upper and lower surfaces respectively have filing surfaces of different coarseness, the filing can be performed with the single tool without needing to use separate tools for rough filing and finishing.SELECTED DRAWING: Figure 5

The invention provides a novel hyaluronic acid injection device with a reasonable structure, and hyaluronic acid can be stably and safely injected. The injector can be divided into three parts, the front end is a needle head and needle cylinder connecting part, the middle part is an injector needle cylinder main body, the tail end is an injector push rod, and the three parts are all improved and innovated. A connecting part of a needle head and a needle cylinder at the front end of the syringe is designed into a spiral buckle type, and a medical needle head with a standard specification and size is spirally screwed into the connecting part when the syringe is used, so that the design of a single buckle of a traditional syringe is optimized, and the situation that the needle is broken due to overlarge pressure in the injection process is reduced; the design of the syringe needle cylinder main body is characterized in that the finger fixer at the tail end is provided with the front end and the rear end, so that the indicating finger and the middle finger of an operator can be stably fixed, and the stability and the accuracy in the injection process are improved; a finger fixer is also designed at the tail part of the syringe push rod, and the fixer is in a hollow cuboid design, so that the thumb can be fixed, and the hyaluronic acid can be injected and withdrawn by a single hand.

The utility model relates to a machine hand especially a finger module, including first drive motor and second drive motor, still include: finger base, first drive motor with second drive motor all are fixed on finger base, near finger joint, rotationally be equipped with on finger base, middle finger joint, rotationally be equipped with on near finger joint, far finger joint, rotationally be equipped with on middle finger joint, lead screw no. One is connected with first drive motor, nut no. One is equipped with on lead screw no. One, lead screw no. Two is connected with second drive motor nut no. Two, is equipped with on lead screw no. Two, connecting rod transmission device respectively with nut no. One, nut no. Two, near finger joint, middle finger joint with far finger joint is connected for drive near finger joint, middle finger joint, far finger joint and the bending of whole finger. A finger module is higher, and the structure is more stable, realizes multi -freedom degree, high flexibility, high stability's dexterous finger module structure.

The utility model discloses a novel bunt tide, relates to musical instrument technical field, including the tube body, four tuning holes are seted up in the tube body front side bottom, the replaceable contact mouth is provided with three clamping blocks in the array of tube body top end outer wall bottom end outer wall, and the fixed connection of limit stop is provided with in the tube body outer wall close to the position of clamping block, the protection ring is provided with in the tube body bottom end outer wall, the auxiliary mechanism is provided with in the tube body outer wall close to the position of tuning hole, and the auxiliary mechanism includes left -hand auxiliary block and right -hand auxiliary block. The utility model discloses design structure is reasonable, and the left hand index finger and middle finger are placed respectively on the both sides of limit ring B, and the left hand index finger is positioned and is guided to the groove A of placing, and right hand index finger and middle finger hold the tube body and are placed below limit ring C, and right hand thumb is placed in the groove B of placing on limit ring C under the guidance of limit ring C, and contact block A and contact block B support left and right palm while holding the tube body, have the advantage that the hand of player is attached.

A frisbee forehand throwing training device, the base of which is provided with a perforation for winding and fixing a magic tape at the fingertip position of the middle finger of the trainer, so that the training device uses the fingertip of the middle finger as the key force contact point for the forehand throwing action and enables the fingertip of the middle finger to swing greatly when throwing the frisbee; a bearing is assembled on the bottom surface of the rotating cross bar; a thumb pressing position is arranged on the surface of the rotating cross bar and is located at the second phalanx of the index finger of the trainer. When the trainer swings the wrist from back to front, the thumb releases the thumb pressing position and the palm is flattened, so as to make the rotating cross bar rotate. The present invention cooperates with the hand shape of the trainer to complete the training and inspection of the forehand throwing of the frisbee. It can not only understand the training level of the trainer himself in real time according to different conditions of the rotation of the rotating cross bar, but also enable the trainer to support the progressive training process from easy to difficult alone, thus providing guarantee for the advanced learning of the frisbee forehand throwing technique.

The application discloses a modular flexible bionic hand based on a dual-mode wire driving, and belongs to the technical field of robots. The dexterous hand comprises a finger assembly, a palm base assembly, an independent driving module, a coupling driving module, an arm base assembly and a tendon; the inner cavity of the arm base assembly is provided with the coupling driving module for driving the opening and closing of the thumb, the index finger and the middle finger simultaneously, and the independent driving module for driving the independent bending of each finger and the lateral bending of the thumb. The bionic hand can be provided with 7 degrees of freedom, adopts a tendon driving mode; the finger assembly is composed of five modular flexible fingers; the knuckles adopt equidistant porous microstructures to improve the shape adaptability and impact resistance, realize the positive active bending and the lateral passive bending; the external driving makes the driving module away from the end effector, and is beneficial to improving the dynamic performance of the bionic hand. The application adopts modular assembly, has the advantages of reliable structure, convenient manufacturing, light weight, high efficiency and low cost.

1. Name of the design product: pen holder (index finger and middle finger hold pen). 2. Use of the design product: the design product is used to regulate and correct the pen holding posture. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: perspective view.

The utility model relates to the technical field of gloves, and particularly discloses a finger-exposed glove convenient for touch operation, which comprises a glove main body, a first fingerstall is fixedly connected to one side of the surface of the glove main body, and a first through hole is formed in the fingerprint position of the first fingerstall; through the arrangement of the glove main body, the first fingerstall, the first through hole, the second fingerstall and the pull rope, when the glove is used, the glove main body covers a palm; a first through hole at the fingerprint of the first fingerstall enables the pulp of the thumb to directly contact with an object, and a first elastic sleeve at the edge of the back surface can tighten cloth around the hole to prevent displacement and enhance the fitting degree; the two second fingerstalls are located on the other side of the glove body and wrap the index finger and the middle finger respectively, pull ropes on the surfaces of the second fingerstalls are connected to the connecting sleeves, finger pulp areas are exposed through second through holes, the positions of knuckles are fixed in cooperation with second elastic sleeves, and touch accuracy is ensured; the tightness of the positioning belt in the middle of the pull rope is adjusted through the adsorption paste to adapt to different finger thicknesses, and meanwhile the stable distance between the connecting sleeve and the second finger sleeve is maintained.

To provide a glove for stool extraction with which a worker performing stool extraction work can safely and easily perform the stool extraction work without giving pains to an object person.SOLUTION: The stool extraction glove 100 of the present invention includes a feces scraping part 30 provided on the palm side surface or the back side surface of the index finger 20 or the middle finger 21, or on the side surface sandwiched between the palm side surface and the back side surface of the index finger 20 or the middle finger 21, which is the site 20a, 21a corresponding to the fingertip of the index finger 20 or the middle finger 21, so that at least the index finger 20 extends to the radial side and / or the ulnar side of the middle finger 21, and the feces scraping part 30 is configured to include a flexible member or an elastic member having contractable flexibility.SELECTED DRAWING: Figure 1