38 results about "Bite force quotient" patented technology

The invention relates to the technical field of tooth occlusal force measurement, in particular to a tooth occlusal force measurement system and method. According to the technical scheme, a plurality of oral impression connection supporting assemblies are arranged, and the supporting assemblies are used for bearing the plurality of oral impressions to enable the oral impressions to be in preset spatial positions and guiding upper teeth to be vertically occluded and lower teeth to be occluded at different depths in a chewing posture when a user occludes each oral impression; performing three-dimensional scanning on all the occluded oral impression through a scanning assembly on the supporting assembly, and outputting scanning data to the outside; and generating an occlusal force cloud picture of the user under different occlusal depths based on the scanning data through a processing terminal connected with the scanning component. According to the technical scheme, the lower teeth perform occlusion with corresponding depths on different oral cavity impressions based on the natural chewing posture, the occlusion contact forms of the upper and lower teeth of the user under different occlusion depths can be recorded, and the occlusal force distribution measurement of the user under the natural occlusion behavior under different occlusion depths is realized.

The invention relates to the technical field of oral cavity rehabilitation auxiliary instruments, in particular to an oral cavity rehabilitation auxiliary retainer for tooth implantation, which comprises two groups of fixing frames, an upper dental model and a lower dental model which rotate in the two groups of fixing frames, the upper dental model is located on the upper side of the lower dental model, and an adjusting assembly is arranged in each fixing frame. The adjusting assembly comprises a movable groove, a first rotating shaft, a ratchet wheel, a second rotating shaft, a torsion spring and a movable plate. Through the arrangement of the adjusting assembly, the angle of the upper dental cast and the angle of the lower dental cast can be adjusted, in the actual use process, the auxiliary retainer can be adjusted according to the size of the oral cavity of a patient so that the auxiliary retainer can be suitable for different types of patients, and meanwhile when the retainer is adjusted to the proper angle, the angle of the upper dental cast and the angle of the lower dental cast can be adjusted. The user cannot change the angle through the occlusal force of the mouth, so that the user can conveniently observe the interior of the oral cavity of the patient, and the user can more smoothly carry out the oral rehabilitation process.

The utility model discloses a pipeline connector used for a plastic pipe, which relates to the technical field of pipeline connectors and comprises a shell, the shell is provided with an opening, connecting plates are fixedly arranged at two ends of the opening, the two connecting plates are bent, connecting cavities are arranged in the connecting plates, a sealing ring is arranged on the inner wall of the shell in a penetrating manner, and the sealing ring is connected with the sealing ring. Steel toothed rings are arranged on the two sides of the sealing ring in a contact mode, the steel toothed rings are in contact fit with the inner wall of the shell, a bridge plate is arranged at the lower ends of the interiors of the two connecting plates in a contact mode, the bridge plate covers the outer side of the sealing ring, and a threaded locking shaft and a through hole locking shaft are inserted into the two connecting plates correspondingly; two symmetrically-arranged bolts are arranged on the shaft wall of the threaded locking shaft and the shaft wall of the through hole locking shaft in a penetrating mode. The steel toothed ring is arranged to be of a multi-layer structure, so that when facing plastic pipelines, the plastic pipelines can be effectively connected only through one steel toothed ring without a supporting ring, meanwhile, the structure is simpler, and the meshing force is larger and more stable.

The present invention discloses a bite detection and analysis system integrating two-dimensional images of dental arches and an implementation method. The system includes: a flexible force sensor for detecting the magnitude of the biting force; a support frame for fixing the flexible force sensor and fixedly connected to one end of a transmission handle; a data transmission circuit is arranged inside the transmission handle to transmit the data of the flexible force sensor to a display terminal; a display terminal for displaying the biting force distribution according to the received data of the flexible force sensor; and an optical sensing device for acquiring two-dimensional images of dental arches. The bite detection and analysis system combined with the flexible force sensor, the support frame, the transmission handle, and the display terminal of the present invention can achieve the advantages of rapid extraction of the two-dimensional shape of the dental arch, good adaptability, high accuracy, and low cost, saving the time for medical staff to compare and process later and reducing the quantization error of the bite detection and analysis system.

The application discloses a preparation method of a bite plate based on a force-induced luminescent material. It belongs to the technical field of oral bite plates and can prepare a bite plate capable of directly and real-timely converting bite force into a visible light signal through a simple process, so that the visualization and semi-quantitative detection of bite contact are realized. The preparation method of the bite plate based on the force-induced luminescent material is characterized in that the method comprises the following steps: (1) synthesizing europium / dysprosium co-doped strontium aluminate force-induced luminescent material SAOED by using a high-temperature solid-phase method, wherein the doping concentration of europium is 2%, and the doping concentration of dysprosium is 1%; (2) mixing the SAOED powder obtained in the step (1) with denture powder according to a mass ratio of 1:7, adding ethanol for dispersion and grinding; (3) adding denture water in a proportion corresponding to the denture powder to the mixture in the step (2), uniformly stirring, and then performing compression molding; and (4) performing water bath heating solidification on the compression molded material, and then performing polishing to obtain the bite plate.

The invention discloses a sectional type appliance for rapidly correcting anterior tooth reverse occlusal, which comprises an upper appliance and a lower appliance, each appliance comprises a reverse occlusal tooth socket for covering reverse occlusal dislocation teeth and other dentition tooth sockets for covering other teeth, and the reverse occlusal tooth socket is connected with the other dentition tooth sockets through an elastic structure. When the orthodontic device is used for correcting seriously staggered teeth, tongue-side thrust and lip-side tension are generated on the staggered teeth due to the existence of the elastic connecting structure after the orthodontic device is in place; in addition, due to the existence of the elastic connecting structure, the appliance generates a force for expanding a gap after being in place, so that the reverse inhale teeth are helped to obtain a tooth movement space to realize rapid movement; in addition, an occlusal force inducing inclined plane is arranged at the contact part of the appliance body part and the involution teeth, and the occlusal force can be utilized to correct the involution teeth through the inclined plane, so that the treatment and correction time of individual tooth involution is shortened.

The present application discloses a pile gripper for installing a wind power single pile with an ultra-large diameter and a large deviation correction force, which is applied to the technical field of pile grippers. Compared with the prior art, the clamping rods among the multiple pile gripping rods are driven by the hydraulic rods so that the clamping rods can clamp and fix the foundation pile body. Since the length of the clamping rods is adjustable, it can adapt to the foundation pile body with an ultra-large diameter, and has high applicability. At the same time, the elastic pressure-bearing airbag between the clamping rods and the hydraulic rods will be compressed when it is subjected to force, so the gas blowing plate will drive the movable bite block to rotate, so that the movable bite block rotates from the first pile gripping arm to the second pile gripping arm, so that when the movable bite block enters the bite groove, the movable bite column can be automatically locked with the bite groove to realize automatic fixation, thereby automatically engaging the free ends of the first pile gripping arm and the second pile gripping arm, effectively ensuring the bite force of the free ends of the first pile gripping arm and the second pile gripping arm, achieving a firm and effective clamping effect, and greatly increasing the deviation correction force.

The present invention discloses a bird bite force testing device, comprising a bottom shell, both sides of the bottom shell surface are fixedly connected with mounting shells, two groups of mounting shells are detachably connected with mounting plates, the two groups of mounting shells and the mounting plates are commonly and movably connected with positioning rods, the two groups of positioning rods and the mounting shells are commonly and fixedly connected with a first spring, the upper surfaces of the two groups of mounting plates are fixedly connected with baffles, and the baffles and the mounting plates are subsequently taken out of the mounting shells, and food is then passed through the interior of the mounting assembly, and the bird is placed on the surface of the standing assembly. When the bird successfully bites the food, the elastic function of the standing assembly is utilized to allow the bird to fly with the food in its mouth. During the flying process, the bite force generated will be detected and displayed by the detection assembly, and the moment when the bird releases its mouth and flies away is the final test result. In order to improve the accuracy, multiple tests can be performed, thereby achieving the effect of facilitating the testing of the bird's bite force.

The present invention discloses a bite force monitoring system, comprising: a monitoring body having a cavity for accommodating multiple teeth of the first dentition; the opposing dentition of the first dentition is the second dentition. When in occlusion, the surface of the monitoring body facing the second dentition is the first surface, and the surface of the second dentition facing the monitoring body is the second surface; a bite force acquisition module, the inner surface of the cavity facing the occlusal surface of the first dentition is the third surface, and multiple bite force acquisition modules are arranged in sequence along the dental arch direction of the first dentition on both the third surface and the first surface. The multiple bite force acquisition modules on the third surface correspond one-to-one in position to the multiple bite force acquisition modules on the first surface, and the multiple bite force acquisition modules on the third surface correspond one-to-one to multiple teeth in the first dentition; a data processing module, and the bite force acquisition module is electrically connected to the data processing module. The present invention can fully, comprehensively and accurately obtain the bite force data of the entire dentition.

The utility model discloses an improved tool of cutting pliers, which relates to the technical field of cutting pliers, and comprises two pliers handles and two hinging seats, the hinging seats are welded at the lower ends of the pliers handles, the hinging seats are connected with hinging plates, pins are arranged in the hinging plates and the hinging seats in a penetrating manner, nuts are welded on the hinging plates, and screw rods are arranged in the nuts. Through the arrangement of the plier handles, the hinge seat, the hinge plate, the pin, the screw rod, the nut, the rotating block and the inside hexagonal bolt, when the cutting pliers are used, the plier head clamps a screw through a tooth opening, then the rotating block and the screw rod are rotated through the inside hexagonal bolt, the screw rod rotates forwards in the nut in a rotating mode, and then the two plier handles rotate relatively; the screw is clamped and fixed by the plier head, the occlusion force of the tooth opening is increased, the screw is prevented from sliding in the tooth opening, more labor and time are saved when an operator disassembles and assembles the screw, and the disassembly efficiency is improved.

The application discloses a titanium-zirconium alloy dental implant and a manufacturing method thereof, and belongs to the technical field of biological medical device manufacturing. Three supporting feet are uniformly arranged on the circumference of the small-diameter end of the conical tube along the generatrix direction, which not only ensures the area and stability of the contact between the implant and the jaw bone, but also is beneficial to the growth and tightness of the bone tissue. The hollow tubular structure of the implant body has more than 50% higher bending deformation resistance than the solid columnar structure, effectively ensures the stability of the implant when biting food, and prevents the implant from loosening caused by micro-deformation. The crown base is an important bearing part of the implanted tooth, and in the process of food biting and chewing, the crown body transmits the biting force to the implant body and the jaw bone through the pile of the crown body base. The side wall of the circular table cooperates with the inner hole wall of the large-diameter end of the conical tube, and the convex rib cooperates with the groove, so as to realize the positioning of the crown base and prevent the displacement of the crown base in the circumferential direction.

The invention belongs to the technical field of medical instruments, and particularly relates to a psychiatric nursing anti-collision and anti-tongue-biting device which comprises a protective helmet, connecting ropes are fixedly connected to the bottoms of the two sides of the protective helmet, a rubber belt is fixedly connected to one end of each connecting rope, and a protective tooth hoop A is fixedly connected to one end of each rubber belt; through the cooperation of the structure and the arranged self-locking mechanism, when the patient wants to bite the tongue and the bite force exceeds a set threshold value, the tongue bite prevention device is automatically locked, the C air bag is arranged in the tongue bite prevention device while automatic locking is achieved, the C air bag is popped out, the tongue of the patient can be conveniently popped off through the C air bag, the tongue of the patient is prevented from stretching out, and the patient can be prevented from being damaged. The automatic locking function can greatly reduce the risk of complications such as bleeding and infection caused by biting the tongue of a patient, the body health of the patient is guaranteed, and compared with manual intervention and an automatic locking mechanism, the automatic locking mechanism is faster in response and can respond to emergency situations more timely.

The invention discloses a dog chewing occlusal force measuring device and method, and belongs to the field of occlusal force measuring, the dog chewing occlusal force measuring device comprises an occlusal piece assembly, one side of the occlusal piece assembly is provided with an energy supply mechanism, the surface of the occlusal piece assembly is provided with a quick release assembly, and the surface of the quick release assembly is provided with a food calling glue assembly; the quick release assembly comprises flange pieces arranged on the two sides of the meshing piece assembly. Through cooperative use of all the devices, the flange piece is inserted into the mounting groove, the flange piece is limited by electrifying the electromagnet, and meanwhile, the insertion rod and the abutting rod are inserted into the corresponding positions, so that the flange piece is further limited, and therefore mounting and dismounting of the flange piece and the attractant gel body are rapidly completed; therefore, the dog chewing bite force measuring device is more convenient to use, the dog chewing bite force testing efficiency is improved, the flange piece and the attractant gel body are integrally formed through injection molding, and it is ensured that the attractant gel and the flange piece are stable and firm.

Provided in the present invention is a cushion patch for removable dentures, the cushion patch being applied to a removable denture, being made of soft silicone, and comprising a base material and an adhering layer. The base material has a first surface and a second surface opposite the first surface; and the adhering layer is arranged on the second surface of the base material, and can repeatedly adhere to the removable dentures. In this way, the cushion patch adheres into the removable dentures, such that when a user wears the removable dentures, by means of the extension characteristic of the cushion patch, the removable dentures closely fit in the oral cavity, and discomfort caused by biting force to the gums is reduced.

This application provides a control method, device, and electric toothbrush for an electric toothbrush, relating to the technical field of electric toothbrushes. The method comprises obtaining a deformation signal collected by a deformation sensor during operation; and issuing a prompt signal when the deformation signal satisfies a target condition, wherein the target condition indicates that a brush head connected to a drive shaft is subjected to a bite force. The technical solution provided by this application can help parents promptly detect children biting the electric toothbrush head, thereby helping parents guide their children to develop good brushing habits.

The utility model discloses a dental medical screw which comprises a screw body and a fixing screw rod. A connecting piece is movably installed at the top end of the screw body, a fixing screw rod penetrates through the top of the connecting piece, and a groove is formed in the connecting piece. The fixing screw rod comprises a screw rod external thread, a hexagonal groove and a lug; and the screw external thread is arranged on the outer surface of the fixed screw. Due to the fact that the protruding pieces are arranged on the top of the fixing screw rod, when the screw is assembled with the screw body and a connecting piece, the fixing screw rod is continuously locked through screw-thread fit between the screw rod external threads and the screw internal threads, the protruding pieces continuously extrude the grooves downwards, the grooves extrude the protruding pieces inwards, and the protruding pieces are fixed through the fixing screw rod. The friction force between the convex piece and the groove is increased through the outward expansion occlusal force, and the anti-loosening effect is achieved, so that the phenomenon that the dental medical screw is not prone to loosening is achieved, and the stability and the service life of the implant are guaranteed.

A system having a skull tracking bracket; a mandible motion tracking bracket; a motion detecting camera; an electromyography sensors adapted to detect and measure facial muscle activation data and transmit the data to the computerized controller; an audio sensor carried by the subject and adapted to detect and measure sound data associated with jaw (and joint) movement data and transmit the data to the computerized controller; a bite force sensor adapted to detect and measure static and dynamic bite force data; a pain push-button switch (or other sensor) adapted to be activated by the subject when experiencing pain; and a computerized controller is adapted to receive motion data, facial muscle data, joint sound data, static and dynamic bite force data, pain data, and received a set of three-dimensional images of the subject, overlay the detected motion with the three-dimensional image and display the overlay.

To provide pet food that requires less occlusal force for eating.SOLUTION: A dry pet food 1 according to the invention comprises a base body 2 having both a major axis and a minor axis of 12 mm to 30 mm in plan view, and the base body 2 has a fracture inducing portion 24 extending along the planar direction, which guides the fracture of the base body.SELECTED DRAWING: Figure 1

The invention discloses a crown and bridge prosthesis which comprises a bridge body and two retention crowns, the bridge body is arranged between the two retention crowns, a retention groove is formed in the top of each retention crown, an in-position channel is formed in the front face of each retention crown, the top of each in-position channel is arranged in a penetrating mode, each in-position channel is communicated with the corresponding retention groove, and a connecting body is installed in each retention groove in an inserted mode. A through hole is formed in the front face of the connecting body, a center block is arranged in the through hole, a clamping groove is formed in the outer wall of the center block, the center block is movably clamped in the in-position channel, and a plurality of spring telescopic structures are annularly, evenly and rotationally arranged on the outer wall of the center block. The occlusal force firstly acts on the bridge body, the bridge body transmits the force to the center block of the connecting body through the retention protrusions on the two sides, when the occlusal force acts, the spring telescopic structure can absorb part of the force, impact on natural teeth and the implant is reduced, meanwhile, stress is dispersed, and stress concentration is avoided.

The utility model relates to an auxiliary tool applied to oral cavity joint perfusion flushing, which comprises a first limiting piece, a second limiting piece and a limiting assembly, the first limiting piece and the second limiting piece are arranged in a stacked mode, and one end of the first limiting piece is hinged to the second limiting piece. A medical worker can utilize the auxiliary tool to assist a patient in opening the oral cavity in a matched mode, when the auxiliary tool is used, the hinged connecting end of the auxiliary tool is placed into the oral cavity of the patient, the first limiting piece is placed on a platform formed by lower teeth on one side, the second limiting piece makes contact with the upper teeth above correspondingly, and after the patient completes the opening action, the second limiting piece is placed on the platform. The limiting assembly is adjusted to limit the first limiting piece and the second limiting piece to rotate under the action of occlusal force, the patient can be assisted in shaping the opening angle of the oral cavity, the overall structural design is simple and convenient, and the working efficiency of medical staff can be improved.

The invention provides a soft elastic occlusal plate capable of monitoring occlusal force in real time, the soft elastic occlusal plate comprises a personalized jaw plate, the two ends of the personalized jaw plate are provided with fixing grooves, and the two fixing grooves are internally provided with a plurality of placing grooves. When a patient puts the personalized jaw plate in the oral cavity and the upper and lower teeth are aligned with the fixing grooves and are tightly attached and occluded, the teeth apply pressure to the fixing piece, push the fixing piece to move towards one side and extrude the elastic piece, the elastic piece generates reverse elastic force and interacts with the force applied by the teeth to form a balance state, and the teeth are stably fixed to the top of the pressure sensing piece. According to the utility model, the movement of teeth in the occlusion process is effectively avoided, the accuracy and reliability of measured data are ensured, the accuracy of occlusion force monitoring is improved, the wearing comfort and stability of a user are enhanced, a reliable basis is provided for clinical diagnosis, and remarkable practical value and clinical significance are achieved.

The utility model discloses a canine tooth occlusion testing machine assembly, which comprises a processing base, a side mounting section bar and a fixed section bar are arranged on the processing base, a moving component is arranged on the side mounting section bar, a moving section bar is arranged on the moving component, a testing component is arranged on the fixed section bar, and the testing component is arranged on the fixed section bar. An occlusion assembly is arranged on the movable profile; the occlusion assembly comprises a lifting profile, a rotating motor is arranged on one side of the lifting profile, a rotating bottom plate is arranged at the output end of the rotating motor, a mounting top plate is arranged on the rotating bottom plate, a driving motor is arranged on the mounting top plate, and a rotating shaft is arranged at the output end of the driving motor; and an upper occlusion jaw and a lower occlusion jaw are arranged on the rotating shaft. The device is simple in structure, capable of simulating the occlusal force of canine teeth, convenient to operate and good in detection effect.

The invention discloses an angle-adjustable stomatology department root canal treatment positioning device which comprises a sterilization oral cavity spray, a connecting cross rod is fixedly connected to the side wall of the sterilization oral cavity spray, a fixed cross rod is fixedly connected to one end of the connecting cross rod, and a telescopic vertical rod is fixedly connected to the top of the fixed cross rod. The top of the telescopic vertical rod is fixedly connected with a connecting block, and the bottom of the connecting block is fixedly connected with a reset spring. The invention relates to the technical field of root canal therapy positioning. When a patient needs oral cavity root canal treatment, a medical worker can press the supporting arc plate and place the supporting arc plate in the oral cavity of the patient, and when the supporting arc plate is slowly loosened, the supporting arc plate is driven to ascend through elasticity to abut against the upper jaw and the lower jaw of the patient, so that tiny deviation of equipment caused by uneven occlusal force can be reduced, and the treatment effect is improved. Meanwhile, through cooperation of the supporting soft cushion and the fixing soft cushion, the patient and the medical staff feel more comfortable when using the equipment.

The invention relates to the technical field of oil and gas exploitation, and particularly provides a clamping tong assembly and tubular column clamping equipment. Wherein the clamping pincer assembly comprises a mounting frame and clamping pincers; the clamping pincers comprise two pincer arm structures which are oppositely arranged, and the two pincer arm structures are connected to the mounting frame in an opening and closing mode; the clamp arm structure comprises a clamp arm body and a first tooth plate, the inner side of the clamp arm body is inclined inwards in the gravity direction, and the first tooth plate is movably arranged on the inner side of the clamp arm body in the inclined direction. According to the clamping device, when the clamping forceps clamp the pipe column, the gravity of the pipe column can be transmitted to the first tooth plate and converted into downward component force in the inclined direction, and therefore the first tooth plate is pushed to slide downwards and be tightly attached to the surface of the pipe column. Therefore, the heavier the pipe column is, the stronger the gliding trend of the first tooth plate is, and meanwhile, the occlusal force (abutting pressure) of the first tooth plate and the pipe column is also larger, so that the self-adaptive adjustment of the large clamping force of the heavy object and the small clamping force of the light object is realized, and manual intervention or complex hydraulic feedback control is not needed.

A user actuation device (1) for use with an inhaler (2) for providing an inhalable medicament, the inhaler (2) being configurable between a non-discharge configuration and a discharge configuration, wherein the user actuation device (1) comprises a bite engagement part (12) for being positioned adjacent to and spaced from a mouthpiece (8) of the inhaler (2) such that, in use, the mouthpiece (8) and the bite engagement part (12) can be received in a user's mouth and the user can apply a bite-force by biting against the bite engagement part (12) and the mouthpiece (8) to bite the bite engagement part (12) and mouthpiece towards each other and an inhaler actuation part (13a) coupled to the bite engagement part (12) and for engaging with the inhaler (2) such that when a user bites the bite engagement part (12) and the mouthpiece (8) towards each other, the inhaler actuation part (13a) actuates the inhaler (2), using the applied bite-force, from the non-discharge configuration to the discharge configuration.

The utility model discloses a safe and portable drainage tube fixing clamp which comprises two symmetrically distributed clamping pieces, each clamping piece is composed of a connecting section, a force application section and an occlusion section, the two clamping pieces are fixedly connected through the connecting sections, the force application sections are connected with the connecting sections in a folding mode, a push-pull switch is arranged between the two force application sections in a sleeved mode, and the push-pull switch is connected with the connecting sections in a folding mode. A plurality of canine teeth distributed at equal intervals are arranged on the inner surface of the meshing section in the length direction of the meshing section. According to the utility model, through the matching between the canine teeth and the sawteeth, the double-canine-tooth inverted-tooth design is realized, so that the fixing clamp has strong occlusal force and is not easy to fall off, the contact area between the occlusal opening at the front end of the fixing clamp and clothes is large, the clamp is not easy to slip off, and meanwhile, the size of the occlusal opening can be easily adjusted according to the thickness of the fixed clothes.

The invention relates to the technical field of intelligent biological behavior monitoring, and particularly discloses a nighttime molar intelligent monitoring method based on occlusal force perception and time sequence analysis, which comprises the following steps: synchronously acquiring nighttime multichannel occlusal force data and physiological signals of a user; performing depth time sequence mode analysis on the occlusal force data, and extracting a spatial-temporal feature vector; inputting the feature vector and the physiological signal into a personalized sleep stage adaptive calibration model to generate a calibrated molar behavior-sleep stage incidence matrix; the matrix is input into a pre-trained multi-task risk assessment model, a personalized molar risk assessment report is output, and specific clinical risks such as tooth abrasion and joint dysfunction are quantitatively predicted through the report. According to the method, accurate association between the molar behavior and the sleep stage is achieved under the condition that no professional electroencephalogram equipment exists, normal form upgrading from phenomenon description to clinical risk early warning is completed, and an effective tool is provided for family-based accurate sleep health management.

The invention relates to the technical field of medical instruments, in particular to an instrument for testing the occlusion force of an endoscope jaw, which comprises a handheld handle and a sliding clamping mechanism, the handheld handle is provided with a paper strip inlet, and the sliding clamping mechanism can slide along the length direction of the handheld handle and is used for clamping and pulling a paper strip to enter the handheld handle from the paper strip inlet. A window opposite to the paper strip is formed in the handheld grab handle, a pushing button is arranged on the handheld grab handle, a sliding groove for the pushing button to move is formed in the end, away from the paper strip inlet, of the handheld grab handle, and the sliding groove is formed in the length direction of the handheld grab handle. According to the handheld testing tool, the paper strip is clamped and pulled through the sliding clamping mechanism, and the occlusion trace on the paper strip can be amplified and observed through the window formed in the handheld grab handle, so that the operation process is effectively simplified, the detection efficiency is improved, whether the clamping force of the jaw is normal or not can be quickly judged before or during an operation, and the working efficiency is improved. The instrument management efficiency and the operation safety are improved.