41 results about "Mouth angle" patented technology

The invention relates to the technical field of animal experiment auxiliary equipment, in particular to a periodontitis modeling mouth angle retraction device and equipment with fixed illumination and view amplification, and the device comprises a supporting and fixing mechanism, a mechanical transmission mechanism and a fixed expansion mechanism; the supporting and fixing mechanism is used for supporting and fixing the whole device and the rat to be experimented; through a fixed supporting plate, a movable threaded rod, a first movable half clamp and a second movable half clamp in the fixed expansion mechanism, the mouth corners of to-be-experimented rats with different sizes are retracted; the mechanical transmission mechanism is provided with a first rotating mechanical plate, a second rotating mechanical plate, a magnifying observation mirror and illumination light, so that a clear view field and sufficient and uniform light are provided for an operator. By means of the unique structural design of the oral corner retracting device, the stability, comfort, safety, observation conditions, operation efficiency and accuracy in the periodontitis molding process are remarkably improved, and the problems that an existing oral corner retracting device is poor in fixing effect, safety and operability are solved.

To provide a training tool suitable for lip closing training.SOLUTION: A spoon 10 which is a training tool used to train lip closing when a parent or the like (food provider) feeds food intraorally to an infant IF or the like (person who eats), includes: a grip part 11 held by the parent or the like; a scooping part 12 (food supply part) extending forward from an end of grip part 11; and a lower jaw pressing part 13 provided below the scooping part 12 and pressing against a lower jaw front part JW of the infant IF or the like when at least a tip of the scooping part 12 is inserted into the intraoral cavity of the infant IF or the like, thereby suppressing a movement of chin muscle MS2.SELECTED DRAWING: Figure 5

The application discloses an integrated auxiliary mouth gag for orthodontics, which comprises a left handle and a right handle, the left handle and the right handle are sleeved on the outside of a hinged sleeve, and can rotate relative to each other, the front end of the left handle and the right handle are fixedly connected with a front opening rod, the front opening rod is in a U shape, a connecting rod is arranged between the left handle and the right handle, the connecting rod is controlled through a locking assembly, a side opening rod is arranged at the position of the hinged sleeve, and the side opening rod is in a U shape. The mouth gag is provided with two front opening rods for supporting upper teeth and lower teeth, and is also provided with a side opening rod for pulling the corners of the mouth on the side, so that the mouth is better exposed to the doctor, the mouth gag is placed on one side of the mouth for use, and does not affect the treatment of the doctor, and in addition, the side opening rod of the mouth gag can be detached and separated from the main body of the mouth gag, is more flexible, and reduces operation complexity.

The utility model relates to the technical field of oral corner protection patches, and discloses a disposable oral corner protection patch special for dental operation, which comprises an oral interior part and an oral exterior part arranged on one side of the oral interior part, and J-shaped aluminum sheets are arranged in the oral interior part and the oral exterior part. According to the disposable oral corner protection patch special for dental operation, the J-shaped aluminum sheet is completely wrapped by the medical silica gel, the effects of supporting the appearance of the medical silica gel and adjusting the thicknesses of different oral corners are achieved, the whole patch is made of the medical silica gel, the aluminum sheet is wrapped on the inner side of the patch, the high rebound resilience of the medical silica gel plays a role in buffering the oral corners, and the side face of the patch is in a half-moon arc shape. The medical polyurethane adhesive is attached to the inner side of the oral outer portion, the inner side of the oral inner portion is free of adhesive and smooth, the medical polyurethane adhesive is attached to the inner wall of the oral cavity through opening and closing of the J-shaped aluminum sheet, the outer side surfaces of the oral outer portion and the oral inner portion are rough, and slipping of instruments during operation of a doctor is prevented; the rough surface can prevent the saliva suction tube from slipping and falling off.

The invention discloses a complete denture device equipped with an auxiliary retention structure, the complete denture device comprises a base bracket and a retention head frame, the base bracket is mounted on a gum, artificial teeth are mounted on the base bracket, the retention head frame is used for assisting in fixing the position of the base bracket, the base bracket comprises an upper jaw base bracket and a lower jaw base bracket, and the upper jaw base bracket and the lower jaw base bracket are mounted on the base bracket. Connecting grooves are formed in the sides, close to the mouth corners, of the upper jaw base support and the lower jaw base support, the retention head frame comprises a head top sleeve belt, the head top sleeve belt comprises a ring belt, a limiting belt is fixedly arranged in the ring belt, first adjusting belts are fixedly arranged on the front side and the rear side of the ring belt respectively, and second adjusting belts are fixedly arranged at the bottoms of the first adjusting belts. A connecting belt is fixedly arranged between the two second adjusting belts, the head top sleeve belt is comfortably fixed to the head of a patient by adjusting the lengths of the first adjusting belts and the lengths of the second adjusting belts, the retention head frame provides additional fixing force through the elastic rubber band and the false tooth stabilizing rod, and the false tooth is prevented from loosening and falling off in the using process.

The invention discloses an oral cavity fixing type planting guide plate which comprises a guide plate body and a tongue depressor fixed to the guide plate body and further comprises an oral cavity supporting mechanism and a mouth corner pushing-aside mechanism. The oral cavity supporting mechanism comprises a supporting rod and an abutting part, the height of the supporting rod is adjustable, the top of the supporting rod is connected with the abutting part, and the bottom of the supporting rod is connected with a wedge-shaped block; the mouth corner pushing mechanism comprises a first guide assembly, a moving block, a second guide assembly, two rotating shafts and two driving lever assemblies; the first guide assembly is connected between the tongue depressor and the supporting rod; the moving block is connected to the top of the tongue depressor in a sliding mode and located below the wedge-shaped block, and a wedge-shaped groove matched with the wedge-shaped block is formed in the top of the moving block; the second guide assembly is arranged on the tongue depressor; the elastic reset piece is connected between the tongue depressor and the moving block; by means of the mouth corner pushing-aside mechanism, when the oral cavity is opened through the oral cavity supporting mechanism, the mouth corner can be pulled and pushed aside towards the outer side mouth corner, the operation visual field is exposed, and observation and implantation are facilitated.

The invention relates to a covering device (100) for covering the lips and corners of the mouth of a patient during treatment, comprising an elastic lip opening element (101), an elastic vestibular opening element (103) and a film section (105) connecting the opening elements, the film section having a surface (107) made of a polyolefin.

The utility model provides an ear-nose-throat inspectoscope which comprises a fitting plate, a connecting hose is arranged at the bottom of the fitting plate, a connecting groove is formed in the middle of the fitting plate, the connecting hose is aligned with the connecting groove, mounting grooves are formed in the two sides of the fitting plate, mounting holes are formed in the two sides of the inner wall of each mounting groove, and the inner wall of each mounting groove is connected with the corresponding mounting hole. And a limiting structure is rotationally connected into the mounting hole. The connecting hose makes contact with the tongue to limit the tongue, then the fiber laryngoscope is inserted into the oral cavity through the connecting hose and the connecting groove and enters the throat position, meanwhile, the rotating plate makes contact with the corners of the mouth, and the mouth is opened to be used for fixing the inspector subsequently. The oral cavity is prevented from directly extruding the connecting hose.

The present invention discloses an oral opening and shaping device for oral examination and a method for using the device, comprising two U-shaped inner support arms, wherein a support mechanism is connected between the two U-shaped inner support arms at the same time, and the U-shaped inner support arms are connected to the support mechanism through a connecting mechanism, and an inner support mechanism is provided on one side of the support mechanism; the support mechanism comprises two side brackets, and the connecting mechanism is provided on the side brackets, and the outer walls of the same side of each of the side brackets are fixedly connected with a side support plate 1, one side of one of the side support plates 1 is fixedly connected with an inner support rod, and one side of the other side support plate 1 is fixedly connected with a limiting sleeve, and the inner support rod is movably inserted into the limiting sleeve. The oral opening and shaping device for oral examination disclosed by the present invention has the effect of achieving unilateral oral opening through a chin fixed point, avoiding tearing of the corner of the mouth caused by too long a time of complete oral opening, effectively protecting soft tissue, and improving the comfort of examination.

The article of the design is a manual tool for performing oral massage, which aims to achieve effects such as face lift, tongue position lift training, tongue training, tongue Pilates, increased saliva secretion, maintaining space in the oral cavity, and lifting the corners of the mouth.

The utility model provides a retractor for assisting in chin plasty. The retractor comprises a base rod, a first connecting rod, a first distraction component, a second connecting rod and a second distraction component. The first connecting rod and the second connecting rod are both connected to the base rod and can move between a first relative position where the first connecting rod and the second connecting rod are close to each other and a second relative position where the second connecting rod is away from each other in the axis extending direction of the base rod. The first opening component and the second opening component are fixed to the first connecting rod and the second connecting rod respectively, the first opening component and the second opening component can stretch into the mouth of a person, and when the first connecting rod and the second connecting rod move from the first relative position to the second relative position, the first opening component and the second opening component can stretch into the mouth of the person. The first connecting rod and the second connecting rod drive the first opening part and the second opening part to open the mouth corners on the two sides of a person respectively. The oral cavity expanding device can expand the oral cavity of a person in the working process of an oral approach chin plasty surgical robot, and has the advantages of convenience, safety and effectiveness at the same time.

The utility model discloses a gastroscope mouthpiece capable of receiving mouth water, which comprises a mouthpiece body, a baffle plate, an elastic band, two bag hanging assemblies and a mouth water bag, the baffle plate is arranged on one end of the mouthpiece body, two ends of the elastic band are respectively connected with two corresponding sides of the baffle plate, and the two bag hanging assemblies are symmetrically arranged on two sides of the baffle plate. The bag hanging assembly comprises a first side strip, a second side strip, an adjusting screw and an adjusting nut, the first side strip and the second side strip are spliced to form a V-shaped elastic structure, the tail end of the first side strip is connected with the baffle, a pressing piece is hinged to the tail end of the second side strip, one end of the adjusting screw is arranged on the second side strip, and the other end of the adjusting screw penetrates through the first side strip to be connected with the adjusting nut. And one side of an opening of the saliva bag is pressed by the pressing sheet, and the other side of the opening of the saliva bag is hung at the connecting position of the first side strip and the second side strip. The gastroscope mouthpiece capable of receiving saliva can receive saliva flowing out of the corners of the mouth of a patient, and the trouble of follow-up cleaning is omitted.

The present invention discloses a saliva suction tube, which relates to the technical field of oral medical auxiliary instruments and includes a saliva suction negative pressure pipeline assembly, a joint mechanism, a saliva suction end mechanism, a saliva anti-backflow mechanism and a negative pressure tube protection mechanism. The saliva suction negative pressure pipeline assembly includes a deformable negative pressure tube, a connecting ring, a rigid connecting pipe and a negative pressure interface. The top of the deformable negative pressure tube bends to the left and is connected to one end of the rigid connecting pipe through the connecting ring. A negative pressure interface is arranged at the bottom end of the deformable negative pressure tube; the joint mechanism is installed at the end of the rigid connecting pipe away from the connecting ring; the saliva suction end mechanism includes a saliva suction head, a middle saliva suction anti-blocking component and a side saliva suction anti-blocking component. This saliva suction tube can avoid sucking the oral mucosa and causing oral mucosa bleeding. When the saliva suction tube is hung on the corner of the patient's mouth, the corner limit protection mechanism can reduce the discomfort of the patient, and it can avoid the dripping of saliva and blood during the process of taking out the saliva suction tube from the oral cavity after use.

The invention is applied to the technical field of oral and maxillofacial surgical operations, and discloses a retractor for oral and maxillofacial surgical operations, which comprises a bearing headrest, a groove for placing the head of a patient is formed in the upper surface of the bearing headrest, and a lateral traction mechanism is arranged on the side surface of the bearing headrest. And the stability of the transverse traction effect is ensured by controlling the lateral traction force. According to the retractor for the oral and maxillofacial surgery, the transverse traction plates which can be adaptively adjusted according to the mouth of a patient are arranged on the two sides of the bearing headrest, so that after the head of the patient is placed in the groove, the corners of the mouth can be pulled open to the two sides by the transverse traction plates on the two sides; a pressure sensor is arranged at the upper end of a traction rod to detect the pulling resistance borne by a transverse traction plate, so that the situation that the mouth corners of a patient are injured due to too large pulling force is avoided, and the mode that a rotating plate is rotated after the patient lies on a supporting headrest is adopted, so that the rotating plate can provide an installation foundation for installation of a longitudinal traction plate.

The invention discloses a bionic robot face and lip movement device which comprises an upper base, a lower base, two mouth corner movement driving units, three upper lip movement driving units and three lower lip movement driving units. The upper base and the lower base are fixedly connected with eyes and a jaw frame of the robot respectively; the upper lip movement driving units are installed on the upper base and serve as power sources for driving left, middle and right control points of an upper lip to move in the up-down direction, and the upper lip control points further have passive freedom degrees brought by line driving in the left-right and front-back direction. The mouth corner motion driving units are installed on the upper base and serve as power sources for driving the left mouth corner control point and the right mouth corner control point to move in respective planes. The lower lip motion driving units are installed on the lower base and serve as power sources for driving left, middle and right control points of the lower lip to move in the vertical direction, and the lower lip control points further have limited freedom degrees brought by spherical hinges in the left, right, front and back directions. On the premise that the miniaturization requirement is met, the bionic lip multi-dimensional composite motion is achieved.

The invention relates to a mouth opening detection method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring an initial mouth opening detection result of a face image sequence; a target intersection point of the face images in the face image sequence is obtained, the target intersection point is used for representing the change degree of target face key points in the mouth opening process, and the reference distance of the face images is determined according to the target intersection point and target mouth corner key points in the face key point set; performing distance dispersion degree calculation on the reference distance of the face image to obtain the distance dispersion degree of the face image sequence; performing distance uniformity calculation on the reference distance of the face image to obtain the distance uniformity of the face image sequence; and obtaining a mouth opening detection result of the face image sequence based on the initial mouth opening detection result, the distance dispersion degree and the distance uniformity. By adopting the method, the accuracy of mouth opening detection can be improved.

The oral cavity distraction shaping device comprises two U-shaped inner supporting arms, a distraction mechanism is connected between the two U-shaped inner supporting arms at the same time, the U-shaped inner supporting arms are connected with the distraction mechanism through a connecting mechanism, and an inner supporting mechanism is arranged on one side of the distraction mechanism; the expanding mechanism comprises two side supports, the connecting mechanism is arranged on the side supports, the outer wall of the same side of each side support is fixedly connected with a first side supporting plate, one side of one first side supporting plate is fixedly connected with an inner supporting rod, one side of the other first side supporting plate is fixedly connected with a limiting sleeve, and the limiting sleeve is fixedly connected with a second side supporting plate. The oral cavity distraction shaping device for stomatological department examination and the use method have the advantages that single-side oral cavity distraction is achieved through a chin fixed point, mouth corner tearing caused by too long oral cavity complete distraction time is avoided, soft tissue is effectively protected, and the examination comfort degree is improved.

The utility model discloses a tongue retractor with a suction structure, which comprises a tongue retractor body and an aspirator, a handle is arranged at a holding end of the tongue retractor body, a plurality of groups of water suction holes are arranged on two sides of a tongue pulling end of the tongue retractor body, a suction hose is arranged at one end of the aspirator, and a connecting component is arranged between the tongue retractor body and the suction hose. A mouth corner support is arranged at the top of the tongue retractor body, a protective sleeve is arranged on the mouth corner support, an anti-skid block is arranged at the top of the mouth corner support, and the tongue retractor body is made of a stainless steel metal material and is subjected to polishing mirror surface treatment. Through the arrangement of the aspirator, the cavity, the water suction hole, the suction hose and the connecting assembly, the tongue retractor can be provided with an aspiration structure, the wound surface of a patient can be ensured to be clean during examination and surgical operation, a doctor can conveniently carry out oral examination and surgical operation, the tongue retractor is provided with a short wing and assists in traction, a tongue body is not prone to slipping off, and the operation is convenient. And the traction effect is better.

The invention provides a face asymmetry analysis method and system, and relates to the technical field of computer vision and machine learning crossing, in particular to a face asymmetry analysis method, which comprises the following steps of: obtaining multiple frames of face images to be evaluated; according to the multiple frames of face images, performing inter-frame difference operation to obtain a difference image, and inputting the difference image into a pre-trained first classification model to obtain a probability value predicted as pathological facial asymmetry as a dynamic feature; according to the multiple frames of face images and a preset face key point detection algorithm, face key points are obtained through detection, and the eyebrow inclination, the ratio of the eyebrow height to the distance between the inner eye corners, the mouth corner inclination and the mouth corner angle are obtained through calculation by means of the face key points and serve as static features; performing feature fusion on the dynamic features and the static features to obtain fused features; and inputting the fusion features into a pre-trained second classification model to obtain a classification result. According to the invention, the accuracy of facial asymmetry analysis can be improved.

The application relates to a mouth corner structure with three degrees of freedom, which comprises three driving members installed on a head skeleton of a robot, the three driving members are drivenly connected with corresponding three connecting rods through three rocker arms, the three connecting rods are connected perpendicularly, and the end of one connecting rod is connected with a profiled mouth corner, the three degrees of freedom mouth corner structure provided by the application drives the profiled mouth corner through the three driving members, and then the three degrees of freedom movement of the mouth corner is realized, so that the mouth corner of the robot can complete expressions such as smiling, pouting and difficulty, multi-angle and multi-function movement of the profiled mouth corner is realized, and more and richer expressions are realized.

This invention discloses a mouse control method, medium, and device based on head posture recognition. It acquires a facial image and collects key feature points of the zygomatic arch, eyebrows, nose tip, and mouth. Based on the geometric relationship of these key feature points, it determines the head posture movement data in the horizontal and vertical directions. Based on the vector relationship of this movement data in a pre-established Cartesian coordinate system of the facial image, it calculates the mouse offset and controls the cursor movement accordingly. Based on the key feature point of the mouth, within a continuous fixed frame cycle, a mouse click event is triggered when the distance difference between the two corners of the mouth remains consistently greater than a set distance threshold. Advantages: Applicable to a contactless scenario, especially in the field of accessibility applications, it strengthens the solution to the problem of inconvenience for disabled users and has a certain degree of fun, with a broad market potential.

The present application belongs to the technical field of audit information analysis, and discloses a fraud identification method, system and device based on non-verbal cues, the fraud identification method comprising: obtaining non-verbal cue features of interviewees during an interview, including pitch, loudness, fundamental frequency jitter, amplitude perturbation, harmonic-to-noise ratio and spectral difference features of the first and second harmonics of sound; eyebrow inner and outer side lifting, eyelid tightening, gaze direction, nose lifting, cheek lifting, cheek muscle dimple, mouth corner lifting, mouth corner vertical downward, chin lifting, lip tightening, lip separation, lower jaw drooping features, and fear and anger emotion features of face; analyzing the features of each channel respectively, and outputting the fraud risk level of the interviewee at the current time according to the deviation degree of each feature relative to the baseline threshold. Based on the above method, the audit personnel can quickly and accurately identify the fraud risk of the interviewee in the audit inquiry.

The invention relates to a 3D anti-gravity lifting mask cloth capable of accurately lifting apple muscles, the coverage range of the 3D anti-gravity lifting mask cloth in use is from the lower edge of the meridian orbit to the upper edge of the mouth corner, and the 3D anti-gravity lifting mask cloth comprises a left ear hanging part, a right ear hanging part, a left ear hanging part and a right ear hanging part, a right ear hanging part; the nose periphery part is positioned between the left ear hanging part and the right ear hanging part; wherein the left end of the nose periphery part is connected with the right end of the left ear hanging part to form a first connecting part, and a left ear hanging hole is formed in one end, deviating from the first connecting part, of the left ear hanging part; the right end of the nose periphery part is connected with the left end of the right ear hanging part to form a second connecting part; a right ear hanging hole is formed in one end, deviating from the second connecting part, of the right ear hanging part; a nose hole is formed in the nose periphery part, and a nose covering part is arranged at the nose hole; the first connecting part and the second connecting part are provided with first preset radian structures. The 3D anti-gravity lifting mask cloth disclosed by the invention is accurately attached to an apple muscle area, and is good in lifting effect and good in comfort.

The application discloses a face micro-expression recognition method, and relates to the technical field of artificial intelligence. In the spatial branch, the texture features of the face in the peak frame are extracted, the features of the key parts such as eyebrows and corners of the mouth in the texture features are enhanced, and the peak frame feature vector is obtained. In the time branch, the motion features of the face in the optical flow feature map are extracted, the motion features of the eyes and the mouth contained in the motion features are distinguished and enhanced, the optical flow feature vector is obtained, and the peak frame feature vector and the optical flow feature vector are spliced into the reference feature vector. The processing mode of the same structure and different modes realizes the complementary fusion of the multi-modal features in the frequency domain and the time domain. Then, the Mahalanobis distance between the micro-expression reference feature vectors of the target domains before and after alignment is compared, and the recognition result is output. Therefore, the multi-modal features after fusion are further subjected to the source domain and target domain modeling processing, and the micro-expression of the face can be accurately and comprehensively recognized.

This invention relates to a covering device (100) for covering a patient's lips and corners of the mouth during treatment, comprising an elastic lip tension element (101), an elastic vestibular tension element (103), and a film member (105) having a surface (107) made of polyolefin and connecting the respective tension elements.

The invention discloses a device for oral corner malformation correction and scar repair after burn, and belongs to the technical field of medical instruments. The device comprises a fixing frame, a movable supporting column, an arc-shaped baffle and a repairing plate, the front end of the fixing frame drives a wedge-shaped pressing block through a lead screw to drive a slope sliding block to adjust the opening distance of the movable supporting column, and dynamic correction of the mouth angle is achieved; the arc-shaped baffle is provided with a laser head connecting hole and an adjustable repairing plate, and drug-containing repairing microneedles are distributed on the surface of the repairing plate. The device has the beneficial effects that precise control over the opening angle opening strength is achieved through the lead screw-inclined plane sliding block linkage mechanism, and excessive correction is avoided; laser treatment and microneedle administration are synchronously carried out, so that the scar repair efficiency is remarkably improved; the pressure detection module can adjust the correction force in real time, and the treatment safety is ensured.

The utility model relates to a kind of mouth scar restricted mouth opening training device, including bite mouth body, the bottom end of the bite mouth body is detachably connected with water collecting cup;Two sides of the bite mouth body are respectively equipped with support arm one end, the other end of the support arm is equipped with V-shaped mouth corner support ware;The V-shaped mouth corner support ware includes V-shaped support and the outer wrapping layer being set on the outer wall of V-shaped support;The support arm is adjustable length arm.Relative to self-opening training, the present application carries out mouth opening support training to mouth scar restricted mouth corner by training device, improves mouth scar restricted mouth corner training efficiency, and does not need to carry out surgical operation, reduces risk such as wound infection;The size of mouth can be adjusted support arm length according to mouth scar restricted mouth, to realize the spacing adjustment between the two V-shaped mouth corner support wares, to adapt to different population or different period of mouth scar mouth corner training, and strong adaptability.

The article related to this design is a wrinkle-stretching sheet, which is composed of medical tape and is used by sticking it to the wrinkled parts of the human body, such as between the eyebrows, nasolabial folds, outer corners of the eyes, under the chin from the corners of the mouth, the base of the neck, the back of the hand, etc. The wrinkle-stretching sheet has a substantially T-shaped front view. Also, as shown in the "Reference Front View of the Wrinkle-Stretching Sheet", the ratio of dimension A in the protruding direction of the vertical part of the T to the horizontal part of the T, the narrow width dimension B of the horizontal part of the T, and dimension C in the protruding direction of the horizontal part of the T to the vertical part of the T, i.e., A:B:C, is configured to be approximately 1:1:1. Moreover, the width dimension D of the root part where the width dimension of the vertical part of the T is the largest is configured to be larger than the dimensions of other parts (dimension A, narrow width dimension B, dimension C) (D > A, B, C). By configuring the wrinkle-stretching sheet in a T shape with the above-mentioned dimensional ratios, it is possible to directly and uniformly apply the pulling force of the tape to the wrinkles and to make the user recall the said effect. When using the wrinkle-stretching sheet, one arbitrary wrinkle-stretching sheet is peeled off from the release paper from a plurality of wrinkle-stretching sheets stuck to the release paper (see the "First Reference Diagram Showing the Usage State" and the "Second Reference Diagram Showing the Usage State"), and it is stuck to the wrinkled part with the wrinkles stretched (see the "Third Reference Diagram Showing the Usage State"). In addition, when the main purpose is to stick it between the eyebrows, considering that the average distance between the left and right eyes of Japanese women is 35.1 mm (based on the survey results of the average face of Japanese women) and that there are people whose distance between the left and right eyebrows is smaller than the distance between the left and right eyes, it is desirable to set the width dimension D to approximately 30 mm. In this case, it is desirable to set dimension A and the narrow width dimension B and dimension C to approximately 20 mm respectively.

The utility model discloses a nasopharynx cancer radiotherapy patient mouth exercise assist device, which comprises an X-shaped frame, the right end of the X-shaped frame is provided with an occlusion assembly in a hinged manner, and the left end of the X-shaped frame is provided with a force adjusting assembly in a hinged manner. According to the oral exercise assist device for the nasopharynx cancer radiotherapy patient, adjusting springs drive corresponding sliding seats to slide in the inner walls of mounting grooves, the sliding seats drive connecting seats and attaching seats to be placed in the oral cavity of the patient, the upper tooth part of the patient is placed in an upper occlusion frame, and the lower tooth part of the patient is placed in a lower occlusion frame; an adjusting spring pushes a sliding seat to slide outwards in the inner wall of the lower occlusion frame and drives a connecting seat and an attaching seat to be attached to the two sides of the corners of the mouth of a patient, and during use, the occlusion assembly can be placed into the oral cavity of the patient for occlusion exercise according to the opening sizes of the mouths of different patients. The overall adjusting mode is simple and convenient, and the adaptability to different patients is higher.