64 results about "Middle finger" patented technology

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.

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.

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.

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 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 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 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.

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.

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.

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

The utility model relates to the field of medical apparatus and instruments, disclose a kind of postoperative far radial artery pressure hemostat, including wristband, the inner surface of wristband is fixedly connected with air bag, the inner wall of air bag is fixedly connected with connecting pipe, the end of connecting pipe is fixedly connected with three-way inflation port, the inner wall of three-way inflation port is inserted with inflator needle cylinder, the surface of three-way inflation port is provided with finger end demonstration needle, the outer wall of wristband is fixedly connected with soft magnetic sheet one, the outer wall of soft magnetic sheet one is magnetically connected with soft magnetic sheet two, the outer wall of soft magnetic sheet two is fixedly connected with U-shaped frame. In the utility model, by being provided with soft magnetic sheet one, soft magnetic sheet two, reel and the structure, when wristband is used, it can provide certain degree of limiting function to wristband by middle finger ring and thumb ring, avoid the process that patient wears hemostat due to patient activity or accidental touch to cause hemostat displacement, to ensure hemostatic effect.

The utility model discloses a kind of thyroid gland strippers for endoscopic thyroid surgery, comprising: clamp part, main grip lever, first corner lever, second corner lever, open-close lever, first connecting rod, second connecting rod;Device allows doctor one-handed operation, through the collaborative work of thumb, index finger and middle finger, realize the accurate opening and closing of clamp part and the flexible adjustment of clamp part angle.Can improve the accuracy of operation and the convenience of operation, because operation is more intuitive and natural, also can reduce the fatigue feeling of doctor in surgical process, secondly, the volume design of the device considers the needs of minimally invasive surgery, avoids bringing greater puncture wound to patient, which helps to reduce postoperative complications and accelerate the recovery process.In addition, through the design of optimized connecting rod system and corner lever, the device can provide stable holding and flexible operation, so that it becomes easier and safer to perform stripping operation inside narrow cavity.

The present disclosure relates to an information processing device and an information processing method that make it possible to improve the accuracy of estimating the shape of a person's hand estimated from a captured image of the person who is a subject. In the present invention, a mesh is estimated from an image of the person who is the subject, the mesh is used to set a hand joint parameter to 0 and determine the size from the wrist to the tip of the middle finger when the palm is opened as the size of a hand region, the skeleton of the person is estimated from the image, a center position of the hand region is determined from the joint group corresponding to the skeleton of the person, and the hand shape is estimated on the basis of a hand image obtained by cutting out, with the center position of the hand region as a reference, the size range obtained by multiplying the size of the hand region by a prescribed coefficient. The present disclosure can be applied to virtual viewpoint image reproduction apparatuses.

A novel straight-grip table tennis bat is characterized in that the bat is in an integral structural shape composed of a ball hitting plate, a bat shoulder, a bat neck and a bat handle, the ball hitting plate is basically oval, the bat shoulder is connected with the ball hitting plate, the bat neck is connected with the bat handle, the bat shoulder passes through the bat neck to the front portion of a handle strip of the bat handle and is gradually narrowed, and the front portion from the bat shoulder to the bat neck is wider than the rear portion of the bat handle. The front section of the handle strip of the racket neck is the narrowest part of the racket handle, two sides of the racket neck are concave curves inwards, the racket shoulder and the racket neck are integrally and obviously thinner than a traditional racket, the handle strip is in a wedge shape and is narrow in front, wide in rear, thin in front and thick in rear, the front end of the handle strip is narrower than the racket neck, and an upper handle strip and a lower handle strip of the racket handle are bilaterally symmetrical along the central axis, thick close to the central axis and thin on two sides. When the racket is held, the jaw obliquely faces the middle of the racket handle, the middle finger is naturally attached to the rear racket face, the thumb and the index finger clamp and buckle the racket handle in front of the racket, the ring finger and the little finger lean against the racket shoulder edge, and the two-face racket holding method is scientific, advanced and applicable.

The utility model discloses a heparin sodium product sampler belongs to medical technology field, including needle, needle holder, negative pressure bottle and sealing cover, the upper part of needle is covered in the lower part of needle holder, and the inside space of needle is communicated with the inside space of needle holder, the needle holder is pressed in the outside of negative pressure bottle, the sealing cover rotates the lower part of negative pressure bottle, the sealing cover is with the lower end cover of negative pressure bottle and matches. The needle holder includes seat body and tubular needle tip, the tubular needle tip fixedly connected in the lower part of seat body, and tubular needle tip penetrates seat body. The needle holder still includes pinch button, when using, the index finger and middle finger are pressed in the needle holder outside, then the needle is pricked into the vein by operating needle holder, then the thumb presses negative pressure bottle, makes the lower part of negative pressure bottle to be pricked by needle holder, makes the inside space of needle and the inside space of negative pressure bottle communicate, extracts the blood in vein by the negative pressure inside negative pressure bottle, and heparin sodium is convenient to draw blood sampling.

The handheld auxiliary device comprises a guide sleeve, a supporting piece and two rings, the supporting piece is arranged around an end opening of the guide sleeve and integrally formed with the guide sleeve, and the two rings are arranged on the two sides of the guide sleeve respectively and connected with the guide sleeve. Through the combined action of the guide sleeve and the supporting piece, one end of the endoscope penetrates through the cavity, and the other end of the endoscope is stably placed on the supporting piece; the little finger and the ring finger of a surgeon penetrate through the different finger rings respectively, the middle finger, the index finger and the thumb of the surgeon can be matched with the other hand to conduct a single-side double-channel endoscopic spine minimally invasive surgery, compared with single-hand operation, the single-hand operation is more stable, nerve injury is not prone to being caused, enough axial pressure and torque can be provided, and the surgical efficiency is improved. And the bony structure processing efficiency is improved.

The invention belongs to the technical field of bionic dexterous hands, and particularly relates to a middle knuckle module, a robot dexterous hand and an intelligent artificial limb. The whole middle knuckle module comprises a shell assembly (1), a first rotating piece (21), a second rotating piece (22), a first driving mechanism (31) and a second driving mechanism (32). The shell assembly (1) serves as a bearing and mounting base, a cavity used for containing the first driving mechanism (31) and the second driving mechanism (32) is formed in the shell assembly (1), and structural interfaces used for being rotationally connected with adjacent knuckles are formed at the two ends of the outer portion of the shell assembly (1) correspondingly. The first driving mechanism (31) and the second driving mechanism (32) which are used for driving the near-end knuckles and the middle knuckles are integrated in the same middle knuckle module, high integration and modularization of a single finger are achieved, and therefore the number of driving units distributed between the knuckles in a scattered mode is reduced, the space utilization rate is increased, and the space utilization rate is increased. And the overall miniaturization design of the robot dexterous hand and the intelligent artificial limb is facilitated.

The application discloses a bionic manipulator and a robot, and relates to the technical field of robots, and specifically discloses a bionic manipulator, which comprises a manipulator palm, a manipulator finger and a first swing finger mechanism, wherein the manipulator palm comprises a mounting base; the manipulator finger comprises an index finger unit and a middle finger unit connected with the mounting base, and the index finger unit and the middle finger unit are configured to be in a flexed state or an extended state relative to the mounting base; the first swing finger mechanism comprises a first swing finger motor and a first swing finger assembly, the first swing finger assembly is connected to the mounting base, the index finger unit and the first swing finger motor respectively, the first swing finger motor is configured to drive the index finger unit to swing away from the middle finger unit under the action of the first swing finger assembly when driven in a first direction, and the index finger unit swings towards the middle finger unit when driven in a second direction, and the first direction is opposite to the second direction. In this way, the index finger unit can swing relative to the middle finger unit under the action of the first swing finger mechanism, the flexibility of the index finger unit is improved, and complex operation instructions can be conveniently completed.

The utility model belongs to the technical field of medical apparatus and instruments, concretely relates to a sampling forceps, including the body one and the body two, the body one and the body two are connected through rivet, the body two is equipped with the slide groove and the through groove, sampling forceps are equipped with locking mechanism and unlocking mechanism, the unlocking mechanism includes arc -shaped link, arc -shaped link is hinged with the body two outer wall, and arc -shaped link end part is equipped with sliding slot, long rod one end fixedly connected with lug, and lug sets up in sliding slot. When this sampling forceps cancels the locking state of sampling forceps, medical staff only needs to use middle finger to exert pressure to arc -shaped link, through the linkage of arc -shaped link, long rod and other components, can easily push the clamping block and separate with the tooth block, realize one -hand unlocking, whole unlocking process operation is simple, convenient, need not complex operation step, greatly save the unlocking time, can effectively improve the work efficiency of medical staff, especially applicable to the emergency sampling or the working scene of continuous sampling.

The present invention addresses the problem of obtaining a glove for feces removal that enables a worker who performs feces removal work to safely and easily perform the feces removal work without causing pain to the subject. A glove (100) for feces removal according to the present invention is provided with a feces scraping part (30) at a portion (20a, 21a) corresponding to the fingertip of an index finger (20) or a middle finger (21), the portion being on the palmar side surface or the dorsal side surface of the index finger (20) or the middle finger (21), or on a lateral side surface sandwiched between the palmar side surface and the dorsal side surface of the index finger (20) or the middle finger (21), the feces scraping part (30) being provided so as to extend toward the radial side and / or the ulnar side of the index finger (20) or the middle finger (21). The feces scraping part (30) is configured to include a flexible member or an elastic member having contractible flexibility.

The utility model discloses a pestle moxibustion pen, and belongs to the technical field of traditional Chinese medicine moxibustion. The pestle moxibustion pen comprises an outer tube, the bottom of the outer tube is fixedly connected with an anti-scald net, the pestle moxibustion pen further comprises an inner tube installed in the outer tube, the inner tube is sleeved with a spring, and the top of the outer tube is provided with a groove allowing the inner tube to be inserted therein; the limiting ring is fixedly connected between the inner walls of the groove, and the inner diameter of the limiting ring is the same as the diameter of the inner pipe; the moxibustion stick is inserted into the inner tube and pushed towards the bottom of the inner tube to expose a section of the moxibustion stick, then the moxibustion stick is ignited and then inserted into the outer tube from the groove in the top of the outer tube together with the inner tube for moxibustion therapy operation, after the moxibustion stick is ignited in the moxibustion pen, a moxibustion applicator clamps the outer tube with the thumb and the middle finger, and the index finger of the moxibustion applicator is responsible for clicking the inner tube. The inner tube compresses the spring to control the stroke of the moxibustion stick in the moxibustion pen, the distance and the temperature between the moxibustion stick fire head and the skin of the moxibustion applying part can be freely controlled, and the effect of preventing the skin from being scalded is achieved.

The utility model discloses an adsorption type pick-and-place device for a tooth X-ray film. A pressing part is fixed on the outer wall of a first end of a pick-and-place device body; the guide rail part is fixed in an inner cavity of the pick-and-place device body; the hook moving groove is formed in the pick-and-place device body; the hook part is arranged on the guide rail part in a sleeving mode, and at least one hook handle part penetrates through the hook movable groove and is exposed out of the taking and placing device body. The first end of the piston moving part is connected with the hook part, and the second end is positioned in the negative pressure cavity; the negative pressure cavity is arranged in the inner cavity; one end of the suction nozzle part is fixedly arranged on the outer wall of the second end of the taking and placing device body. According to the adsorption type pick-and-place device for the tooth X-ray film in the embodiment of the utility model, the piston moving part can be driven to move along the guide rail part after the hook part is hooked by the index finger and the middle finger of other users, so that the pressure in the negative pressure cavity is changed to realize the adsorption of the tooth X-ray film by the suction nozzle part; and the dental film can be more easily and vertically placed in the oral cavity of the infant to be photographed, so that the examination is facilitated.

The application belongs to the technical field of glove heating, and particularly relates to an intelligent electric heating glove, which comprises a glove body, a heating layer, a sensing layer and a control layer; the glove body comprises a first region covering at least a part of a palm, a front surface of an index finger, a front surface of a middle finger, a front surface of a ring finger and a front surface of a little finger, a second region covering a back surface of the index finger, a third region covering a back surface of the middle finger, a fourth region covering a back surface of the ring finger, a fifth region covering a back surface of the little finger, a sixth region covering a thumb and a seventh region covering at least a part of a back of a hand; the application provides a partitioned surface heating scheme with a complementary temperature compensation structure, which can provide suitable temperatures for each part of a human hand and ensure the use comfort of a user.

An insulin injection positioning device comprises a positioning plate, the positioning plate is provided with a remark area and an injection calibration area located above the remark area, the injection calibration area is composed of seven finger-shaped strips arranged side by side, and each finger-shaped strip is provided with three injection limiting holes. The heights of the seven side-by-side finger-shaped strips are gradually decreased towards the two sides with the middle finger-shaped strip as the center. A patient can be assisted in insulin injection through the injection limiting hole in the injection calibration area, the recent insulin injection position can be accurately known through character prompts on the remark area, and repeated injection on the same part of the patient within a short time is avoided due to the fact that the patient is guided to inject at different points.

The utility model discloses a portable quick water quality sampler which comprises a water suction pump, a connecting hose is fixedly connected to the water suction end of the water suction pump, a sampling hose is fixedly connected to the end, away from the water suction pump, of the outer portion of the connecting hose, a floating air bag is arranged outside the sampling hose in a sleeved mode, and the floating air bag is connected with the sampling hose in a sliding mode. And a sleeve is sleeved outside the sampling hose and below the floating air bag. According to the portable rapid water quality sampler, the sleeve is held, the push plates on the two sides of the sleeve are pushed through the thumb and the middle finger, the push plates drive the circular plates in the sleeve to rotate at the moment, and the circular plates extrude the sliding rods at the bottoms of the clamping plates through the inner walls of the chutes, so that the clamping plates are driven to be away from the sampling hose, and clamping of the clamping plates to the sampling hose is relieved; at the moment, the position of the floating air bag on the sampling hose can be adjusted, after the hand is released, under the elastic force effect of the spring, the clamping plate can automatically get close to the sampling hose and clamp the sampling hose, operation can be completed with one hand, and operation is more convenient and faster.

This design is related to measuring dilation and effacement during labor and cervical stimulation. To assess the progress of labor, midwives and obstetricians measure the length and opening of the cervix using their two fingers (index and middle fingers), both experimentally and mentally. The goal of this design is to eliminate manual intervention and ensure accuracy and ease in measuring, opening, and massaging the cervix. This design is a graduated instrument with small balls with the ability to adjust the size through an air pump located in the head of the instrument that helps to open and massage the cervix. In this instrument, calculations can be easily done through trigonometric relationships. This device has the ability to store and send information.