241 results about "Upper teeth" patented technology

The invention relates to the technical field of special-shaped steel pipe machining, in particular to a special-shaped steel pipe welding device which comprises a welding module fixedly installed on a bottom plate, the welding module comprises a fixing frame and a power box which are fixedly installed on the bottom plate, and a second electric push rod is installed at the top of the fixing frame and fixedly connected with the top of an upper cover through a hanging rod. A rotatable upper tooth part is installed in the upper cover, a lower cover matched with the upper cover is installed on the power box, a rotatable lower tooth part with the same structure as the upper tooth part is installed on the lower cover, electromagnets used for locking the corresponding upper tooth part and the lower tooth part are installed on the upper cover and the lower cover correspondingly, and a linear moving pair is installed on the upper tooth part through a connecting block. An extension plate is installed on a sliding block of the linear moving pair, a welding machine is installed at the end, away from the sliding block, of the extension plate through an electric rotary table, and a driving motor for driving the upper tooth part and the lower tooth part is installed in the power box. The device is high in automation degree and can adapt to special-shaped steel pipes with various sections.

The invention discloses a bite block for tracheal intubation, and belongs to the technical field of medical instruments. The overall shape of the bottom plate is of an oval structure, and a through groove is formed in the middle of the bottom plate. A bite block support capable of supporting the upper teeth and the lower teeth of the patient is inserted into the through groove; one side of the bottom plate is provided with a clamping groove for placing an air pipe insertion pipe; a clamping groove is formed in the bottom plate, a trachea cannula fixator capable of fixing the placed trachea cannula is arranged at the position of the clamping groove in the bottom plate, and the clamping groove in the bottom plate extends to the outer side area of the bottom plate, so that two protruding parts are formed on the side, provided with the clamping groove, of the bottom plate. The two top plates can be expanded and adjusted through cooperation of the adjusting pipe, the clamping ring, the guide groove and the guide rod, the supporting amplitude in the mouth of a patient can be adjusted, the problems encountered in real medical care can be solved, in the operation process, a series of operation adjustment of lifting of the top plates can be achieved only by repeatedly rotating the adjusting pipe, and the operation efficiency is improved. The operation is simple, and the tendon tissue around the jaw bone of the patient can be moved anytime and anywhere so that the patient can feel uncomfortable due to a fixed posture for a long time.

The utility model provides a bite block device for nerve electrophysiology monitoring in an operation, which comprises a lower bite block and an upper bite block, a channel groove for installing a trachea channel is arranged in the lower bite block, and lining plates are oppositely arranged on two sides of the channel groove in the lower bite block; the lower surface of the lower bite block is provided with a lower tooth groove, and the upper surface of the upper bite block is provided with an upper tooth groove. Through the arrangement of the base plate, the upper tooth cushion and the lower tooth cushion can be in full contact with molar teeth in the cavity, so that the pressure borne by incisor teeth is reduced, and the incisor teeth of a patient are prevented from being damaged; the trachea channel is arranged in the middle of the bite block, the inner lining plate is arranged on the outer side of the trachea channel, under protection of the inner lining plate, the trachea can be prevented from being bitten by a patient to be flat, normal use of the trachea is guaranteed, the trachea channel has a certain length and is arranged in the middle of the bite block, and after the whole bite block is arranged in the oral cavity of the patient, the inner trachea channel can press the tongue. The tongue is prevented from entering the space between the upper teeth and the lower teeth and is prevented from being bitten.

The disclosed technology provides for setting up teeth, such as dentures and dental appliances, based on motion data. A method can include receiving, by a computing system, a digital representation of the patient's jaw movement, receiving a digital model of at least a portion of the patient's upper and lower teeth, receiving user input indicating selection of at least a first tooth in the digital model as moveable, at least a second tooth as fixed, and at least a third tooth as ignored, moving the at least portion of the upper teeth and the lower teeth along movement pathways indicated by the digital representation of jaw movement, and automatically adjusting a position of the selected first tooth based on detecting the position of the selected at least first tooth as colliding or interfering with one or more other teeth represented by the digital model along one of the movement pathways.

A mouthpiece toothbrush that includes a carrier, one or more brushes, and an actuator. The carrier is configured to be secured between upper teeth and lower teeth of a user. The one or more brushes are movably coupled to the carrier such that the one or more brushes contact the upper teeth, the lower teeth, or both. The actuator is configured to move the one or more brushes with respect to the carrier such that the one or more brushes move along the upper teeth, the lower teeth, or both.

The invention discloses a vaginal dilator with a light source, which relates to the technical field of medical instruments and is characterized by comprising a dilation structure, a light source system, an adjusting structure and a handle. The expansion structure is formed by hinging upper and lower tooth parts, and the surface of the expansion structure is coated with a silica gel layer to ensure comfort and biocompatibility; an observation window is arranged at the front end of the upper tooth part; a light guide column is integrated in the lower tooth part. The light source system comprises an LED module and a turning structure, uniform floodlight source distribution and accurate point light source illumination are achieved through microprism texture processing and light guide fibers, and the irradiation angle can be adjusted to meet different inspection requirements. And the adjusting structure comprises a fine adjustment knob and an angle adjusting knob, so that accurate control of the expansion angle and flexible adjustment of the light source angle can be realized. The problems that in the prior art, the light source angle cannot be adjusted, and the dilation angle is not finely adjusted are solved, the examination accuracy and the comfort of a patient are improved, and the device is suitable for gynecological examination and conventional treatment.

The invention provides a dysphagia face training device which comprises a mounting seat, a connecting frame is arranged on the mounting seat, a tongue depressor and two groups of lower tooth supports are arranged at one end of the connecting frame, a supporting seat is hinged to the connecting frame, an elastic piece is arranged between the supporting seat and the mounting seat, two groups of upper tooth supports are arranged at the other end of the connecting frame, and a liquid storage tank is further arranged on the supporting seat. A supply assembly is arranged between the connecting frame and the supporting seat, liquid in the liquid storage tank is pumped into the mouth of a patient through the supply assembly when the connecting frame rotates, a mounting frame is arranged on the supporting seat, a shell is arranged on the mounting frame in a sliding mode, a massage disc is arranged in the shell, and the massage disc is connected with the connecting frame through a driving mechanism. Movement of the connecting frame is converted into reciprocating rotation of the massage disc through the driving mechanism. The training device is used for training, the training functions are rich, the training can be synchronously carried out in multiple directions, and therefore the swallowing function recovery capacity of a patient is effectively improved.

The invention provides an adjustable snore preventing device and a manufacturing method thereof, and relates to the technical field of snore preventing devices, the adjustable snore preventing device comprises an upper jaw base and a lower jaw base, the upper jaw base and the lower jaw base can be arranged on the outer sides of upper teeth and lower teeth in a sleeving mode respectively, and a lower jaw limiting plate is arranged at the front end of the lower jaw base; the front end of the upper jaw base is connected with a first upper jaw limiting plate through a first adjusting mechanism, the first upper jaw limiting plate is used for being matched with the lower jaw limiting plate in a limiting mode, the rear end of the upper jaw base is connected with a second upper jaw limiting plate through a second adjusting mechanism, and the second upper jaw limiting plate is used for making contact with the rear end of the lower jaw base. The first adjusting mechanism and the second adjusting mechanism can adjust the first upper jaw limiting plate front and back and adjust the second upper jaw limiting plate up and down respectively; the snore-preventing device solves the problems that in the prior art, a snore-preventing device cannot be adjusted, the application range is limited, and individual differences of wearers are difficult to deal with.

The utility model provides a simple column type jaw movement jaw frame which comprises an upper jaw support used for being connected with an upper tooth jaw model, an upper supporting column is arranged on the upper jaw support, and the upper supporting column extends by a preset length in the vertical direction; the lower jaw support is used for being connected with a lower tooth jaw model, a lower supporting column is arranged on the lower jaw support, and the lower supporting column extends by a preset length in the vertical direction; the end, away from the upper jaw support, of the upper supporting column and the end, away from the lower jaw support, of the lower supporting column are provided with separable butt joint structures. The separable butt joint structure comprises an inclined convex face and an inclined concave face which are matched with each other, and the inclined convex face can slide along the inclined concave face. The problem that in the prior art, when an upper tooth jaw model and a lower tooth jaw model conduct jaw movement, an upper column type structure support and a lower column type structure support interfere with each other, and consequently use is inconvenient is solved.

A forceps including a gripping assembly. The gripping assembly includes an upper jaw and a lower jaw. The upper jaw includes a proximal end and a distal end. The upper jaw includes an upper tooth having an upper proximally facing canted tooth surface and an upper distally facing canted tooth surface. The lower jaw includes a proximal end and a distal end. The lower jaw includes a socket having a lower distally facing canted socket surface and a lower proximally facing socket surface. The upper jaw, the lower jaw, or both are moveable so that the gripping assembly moves between an open position and a gripping position, in the gripping position, a gap is defined between the upper distally facing canted tooth surface and the lower proximally facing socket surface.

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.

To provide oral appliances that can be used to treat sleep apnea syndrome (SAS) ranging from mild to severe. [Solution] One embodiment of an oral appliance for sleep apnea is an oral appliance that is fitted into the user's oral cavity. The oral appliance comprises an upper jaw portion, a lower jaw portion, and a drive unit. The upper jaw portion has a shape that mimics the user's upper teeth and contacts the upper teeth. The lower jaw portion has a shape that mimics the user's lower teeth and contacts the lower teeth. The drive unit connects the upper jaw portion and the lower jaw portion so as to be able to change the relative position of the lower jaw portion with respect to the upper jaw portion, and drives the lower jaw portion. The drive unit has a control circuit that determines whether the user is in a state of apnea based on sensor information obtained from a sensor that detects the user's apnea state, and if the user is in a state of apnea, drives the lower jaw portion toward the user's forward position, and if the user is not in a state of apnea, drives the lower jaw portion to return to the user's resting position.

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 field of adhesive tape machines, in particular to an adhesive tape machine which comprises an adhesive tape cabin, a driving mechanism comprises a side end supporting plate and a longitudinal mounting plate, an upper tooth pressing plate is arranged above the inner side of the longitudinal mounting plate, and adhesive tape pressing lower teeth are arranged below the upper tooth pressing plate and located on the inner side of the longitudinal mounting plate. Limiting sliding grooves are formed in the positions, located on the inner side wall of the longitudinal installation plate, of the outer side ends of the upper pressing tooth plate and the rubber pressing lower teeth, a lower pressing tooth plate is installed on the position, located on the inner side of the longitudinal installation plate, below the rubber pressing lower teeth, an arc-shaped swing frame is arranged on the inner side of the side end supporting plate, and linkage plates are connected between the arc-shaped swing frame and the upper pressing tooth plate and between the arc-shaped swing frame and the rubber pressing lower teeth. A push plate is installed at the lower end of the arc-shaped swing frame. After an upper pressing tooth plate is matched with a rubber pressing lower tooth to fold a conveyed rubber belt, the rubber belt is driven by a push plate to move back and forth in a limiting sliding groove, the rubber belt is integrally occluded and flattened under the action of a lower pressing tooth plate, and subsequent drawing and pulling can be facilitated by folding the end part of the rubber belt at a cut-off position.

The utility model relates to the technical field of dies, and particularly discloses a shark-shaped bubble machine die. Wherein the front mold core; the rear mold core is provided with a first mold core and a second mold core which are used for forming the inner side part of the shark tooth part; the tooth side rib position insert is arranged on the rear mold core, and a slope used for demolding is arranged on the side wall of the tooth side rib position insert; the tooth core pulling structure comprises a first tooth forming sliding block matched with the first mold core, a first guide structure arranged on the first tooth forming sliding block, a second tooth forming sliding block matched with the second mold core and a second guide structure arranged on the second tooth forming sliding block; each of the first tooth forming sliding block and the second tooth forming sliding block comprises an upper tooth forming part for forming the front side part of the upper tooth of the shark and a lower tooth forming part for forming the front side part of the lower tooth of the shark. The forming device is good in forming effect and low in production cost.

The dental assembly comprises a first tooth socket and a second tooth socket which correspond to maxillary teeth and mandibular teeth respectively, and a plurality of retention structures, the first tooth socket is provided with a first buccal surface and a first lingual surface which are oppositely arranged, and the second tooth socket is provided with a second buccal surface and a second lingual surface which are oppositely arranged; the retention structures are connected with the first buccal surface and the second buccal surface, or the retention structures are connected with the first lingual surface and the second lingual surface, the dental assembly comprises a first half jaw and a second half jaw which are positioned on two sides of a dental midline, and the plurality of retention structures comprise a first retention structure and a second retention structure which are positioned on the first half jaw. The first retention structure is closer to the tooth midline than the second retention structure. According to the invention, relative rotation and relative movement of the first tooth socket and the second tooth socket are limited through cooperation of the first retention structure and the second retention structure, so that the relative position between the first tooth socket and the second tooth socket can be effectively controlled, and the correction effect can be effectively improved, such as in an application scene of jaw position adjustment.

The utility model relates to the technical field of pull binding tape sewing, and discloses a pull binding tape auxiliary sewing device which comprises a needle plate, a presser foot and a needle threading die which are matched with each other, a plurality of groups of teeth are arranged at the top of the needle threading die, a group of teeth in the middle are ground to be flat and form a clamping groove matched with the thickness of a binding tape, the needle plate is provided with a binding tape groove, and the needle plate is provided with a clamping groove matched with the thickness of the binding tape. A left gauge plate and a right gauge plate which are used for limiting movement of the binding tape are arranged on the two sides of the binding tape groove respectively, and the needle plate is further provided with an upper tooth groove and a lower tooth groove which are used for the teeth to penetrate through. According to the utility model, the binding tape is positioned by the binding tape groove on the needle plate, the left and right gauge plates and the clamping groove on the needle plate die, the upper tooth groove and the lower tooth groove guide the trend of cloth and the binding tape, and the clamping groove enables the raised teeth on the needle plate to be rubbed down, so that the thickness of the binding tape can be matched during sewing, and the sewing is not blocked by the raised teeth to cause left-right swing; the left and right positions avoid the displacement of the binding tape in the sewing process, so that the binding tape can be accurately sewn.

The utility model provides a container cover and a liquid heating container, and the container cover comprises a cover body which is provided with a water outlet channel and is also provided with an external tooth part and a chute; the water sealing assembly is mounted in the cover body in a sliding manner; and the switch assembly is installed on the cover body and used for driving the water sealing assembly to slide in the cover body so that the water sealing assembly can open or close the water outlet channel. The switch assembly comprises a limiting piece, the limiting piece is provided with an upper tooth part and a lower tooth part, and the upper tooth part is used for being in sliding fit with the outer tooth part so that the limiting piece can rotate relative to the cover body; the lower tooth part is used for being in sliding fit with the sliding groove, the sliding groove comprises a stop groove, and when the limiting piece rotates till the lower tooth part is clamped with the stop groove, the water sealing assembly can open the water outlet channel; and when the limiting piece rotates to the lower tooth part and is released from the locking groove, the water sealing assembly can close the water outlet channel. The structure of the container cover can save the number of parts of the container cover, so that the manufacturing cost of the container cover is reduced, and the assembling efficiency of the container cover is improved.

An orthodontic aligner includes an aligner body configured for receiving upper teeth or lower teeth. The aligner body has a facial surface, a lingual surface, a gingival edge, and an incisal edge. A hook is integrally formed on either the facial surface or the lingual surface of the aligner body. The hook is configured so that an elastic band can be removably attached thereto. The hook is positioned between the gingival edge and the incisal edge of the aligner body. The hook protrudes at an angle relative to the surface of the aligner body. The angle may be between 20 and 60 degrees. The aligner body and the hook are formed simultaneously during manufacturing.

The utility model relates to the technical field of rehabilitation medical instruments, and discloses a dysphagia training aid which comprises a connecting column and a cooling rod, a fixing seat is arranged on the right side wall of the connecting column, and two supporting assemblies which are symmetrically distributed up and down are arranged in the fixing seat. And the right side walls of the two supporting assemblies extend to the right side of the fixing base, a connecting groove is formed in the fixing base, and a first limiting clamp is arranged on the left side wall of the connecting column. According to the dysphagia training device, by arranging the supporting assembly, firstly, a patient places the upper teeth on the top of an upper supporting plate and then places the lower teeth on the lower portion of a lower supporting plate, and at the moment, two threaded shafts are rotated, so that the upper supporting plate and the lower supporting plate move oppositely, and the upper teeth and the lower teeth are opened and supported; the cooling rod is prevented from being bitten and damaged, the practicability of the device is improved, and the device is convenient for a patient to use.

The invention discloses an intelligent rubber tapping machine with a scanning function, and belongs to a cutting machine in the technical field of natural rubber tapping. According to the technical scheme, an upper gear ring fixing mechanism is provided with an upper guide rail ring and an upper gear ring; the lower gear ring fixing mechanism is provided with a lower guide rail ring and a lower gear ring; the upper walking assembly is provided with an upper walking wheel set matched with the upper guide rail ring and the upper gear ring. The lower walking assembly is provided with a lower walking wheel set matched with the lower guide rail ring and the lower gear ring. A lifting cutting assembly is arranged between the upper walking assembly and the lower walking assembly, the upper gear ring fixing mechanism and the lower gear ring fixing mechanism are each provided with a locking assembly, and a scanner module is arranged on the lifting cutting assembly. According to the intelligent rubber tapping machine with the scanning function, the rubber tapping depth of the cutter is accurately controlled, a tree core and a protective layer (a water bag skin layer) cannot be cut, and meanwhile the rubber yield can be greatly increased.

The utility model relates to the technical field of dentistry. The utility model relates to a muscle agonist for linked correction of upper and lower teeth. The muscle agonist comprises an upper invisible tooth socket and a lower invisible tooth socket, wherein the upper invisible tooth socket is sleeved outside upper teeth; the lower invisible tooth socket is sleeved outside lower teeth; the incisor part of the lower invisible tooth socket is detachably connected with the incisor part of the upper invisible tooth socket; the occlusal surface at the molar position of the lower invisible tooth socket is connected or detachably connected with the occlusal surface at the molar position of the upper invisible tooth socket through a V-shaped bent connecting strip; an angle forming plate is clamped between the upper invisible tooth socket and the lower invisible tooth socket, and the angle forming plate is positioned on the occlusal surface of at least one of the upper invisible tooth socket and the lower invisible tooth socket. According to the utility model, by optimizing the structure of the muscle agonist, the upper invisible tooth socket can be conveniently matched with upper teeth, and after the upper invisible tooth socket is matched with lower teeth, the incisor part of the lower invisible tooth socket is detachably connected with the incisor part of the upper invisible tooth socket, so that the alignment of an upper jaw and a lower jaw is realized, and the correction of dentition deformity of relative protuberance of the upper jaw and retroduction of the lower jaw is realized.

The utility model discloses a gavage device, which relates to the technical field of animal treatment instruments and comprises a fixing cylinder and a gavage tube, a connector is fixed at the medicine inlet end of the gavage tube, a pushing component is arranged on the connector and used for pushing liquid medicine into the gavage tube, a lower tooth socket is fixed at the bottom of the fixing cylinder, a bolt is inserted into the top of the fixing cylinder, and the lower tooth socket is connected with the bolt. A supporting rod is fixed to the top of the bolt, the top end of the supporting rod is rotationally connected with an upper tooth sleeve through a bearing, and a sleeve is fixed to the top of a lower tooth sleeve. After the mouth of the livestock is manually opened, the lower tooth socket can be clamped on the lower row of teeth of the livestock, the upper tooth socket can be clamped on the upper row of teeth of the livestock, the bolt is screwed by using a wrench, and the combined length of the bolt and the fixed cylinder can be adjusted, so that the distance between the lower tooth socket and the upper tooth socket can be adjusted as required, and the mouth of the livestock can be opened only by fixing the head of the livestock. And the lavage tube can be slowly inserted into the stomach of the livestock along the opened mouth of the livestock for administration operation.

An ear plug includes an elongated body sized and shaped to be partially inserted into an ear canal of a wearer, in which the body includes a negative Poisson's ratio (NPR) polymer foam material having a Poisson's ratio of between 0 and −1. A mouth guard includes an arc-shaped element sized to be received into a mouth of a wearer. The arc-shaped element has an outer wall, an inner wall, and a biting wall connecting the outer wall and the inner wall. The outer wall, the inner wall, and the biting wall define a channel that is sized to receive upper teeth of the wearer or lower teeth of the wearer. The outer wall, the biting wall, or both includes a negative Poisson's ratio (NPR) material having a Poisson's ratio between 0 and −1.

To provide an oral cavity model capable of reproducing the state of upper and lower teeth and occlusion of a patient. [Solution] The oral cavity model 10 is three-dimensionally shaped for each patient and has an upper jaw section 20 with a plurality of upper teeth sections 21 that mimic all of the patient's upper teeth and an upper gum section 22 that mimics the upper gums, a lower jaw section 30 with a plurality of lower teeth sections 31 that mimic all of the patient's lower teeth and a lower gum section 32 that mimics the lower gums, and a connecting member 40 that connects the upper jaw section and the lower jaw section in an openable and closable manner.

The utility model relates to a sponge cushion and a supporting cushion of a zipper-like structure. The sponge mat with the zipper-like structure comprises an upper layer and a lower layer, a plurality of upper teeth are arranged at the bottom of the upper layer, a plurality of lower teeth are arranged at the top of the lower layer, the upper teeth are meshed with the lower teeth, the density of the lower layer is larger than or equal to 25 kg / m < 3 >, and the difference value between the density of the lower layer and the density of the upper layer is 2-5 kg / m < 3 >. The sponge mat comprises the upper layer and the lower layer, the upper teeth are additionally arranged at the bottom of the upper layer, the lower teeth are additionally arranged at the top of the lower layer, the upper teeth are meshed with the lower teeth, the density of the lower layer is larger than or equal to 25 kg / m < 3 >, and the difference value between the density of the lower layer and the density of the upper layer is 2-5 kg / m < 3 >, so that a differential density structure of the upper layer and the lower layer can be formed; therefore, a progressive supporting system is formed, and the problems that in the prior art, due to'pressure fault 'generated by discontinuous mechanical transition between layers, shoulders, buttocks and other parts are subjected to sunken compression, but supporting suspension occurs to the waist, and the risk of stress unbalance of the spine is aggravated are solved.

The utility model discloses a pressure sore prevention tracheal catheter which comprises a tracheal catheter body, a fixator, a fixing piece and a pressure reduction protective sleeve, an air bag is arranged on the tracheal catheter body, an inflation tube is integrally connected to the middle of the bottom face of the tracheal catheter body and used for inflating the air bag, and the fixator is suitable for being supported between upper teeth and lower teeth of a patient. The fixing device is used for opening the mouth of a patient, a limiting groove is formed in the outer surface of the fixing device in the circumferential direction so as to limit upper teeth and lower teeth of the patient, a through hole is formed in the fixing device, the tracheal catheter is arranged in the through hole in a penetrating mode, and the fixing piece is arranged on the front side of the fixing device. The fixing device is used for fixing the tracheal catheter in the fixing device, and the pressure reduction protection sleeve is arranged on the outer surface of the tracheal catheter and the outer surface of the inflation tube in a sleeving mode and used for relieving pressure on the oral mucosa of a patient. The functionality of the catheter is guaranteed, the safety experience of a patient is emphasized, and discomfort and complications caused by intubation are reduced.

The utility model relates to an anterior tooth shaping device which is arranged between the dentition of a human body and the lip and cheek and comprises an arc-shaped plate body matched with the vestibule of the oral cavity, and the arc-shaped plate body comprises an upper lip induction section used for covering the upper tooth part and a lower lip induction section used for covering the lower tooth part and supporting the lower lip. A lip line which faces the lip direction and is used for filling a gap between the upper lip and the lower lip is arranged at the junction of the upper lip induction section and the lower lip induction section, and the upper part of the lower lip induction section is a cutting end cap which protrudes towards the upper anterior teeth and abuts against the cutting end of the upper anterior teeth. Compared with the prior art, through the effect of the lip line and the incisal end cap and the synergistic effect of the lip line and the incisal end cap, training of lip muscle and correction of upper and lower anterior teeth are achieved; the arc-shaped upper lip induction section and the arc-shaped lower lip induction section better conform to the space range between the dentition and the lip and cheek, and normal lip wrapping can be formed easily.

The utility model discloses a chewing toothbrush which comprises a brush head (10), the brush head (10) comprises an upper brush body (11) and a lower brush body (12) connected with the upper brush body (11), the upper brush body (11) is provided with an upper arc-shaped groove (111) matched with an upper tooth row, the lower brush body (12) is provided with a lower arc-shaped groove (121) matched with a lower tooth row, and the upper arc-shaped groove (111) and the lower arc-shaped groove (121) are communicated with each other. A cavity (13) used for containing oral cavity cleaning agents is defined between the upper brush body (11) and the lower brush body (12). Friction convex points (14) are at least arranged at the bottoms of the upper arc-shaped groove (111) and the lower arc-shaped groove (121), and open holes (141) communicated with the cavity (13) are formed in the friction convex points (14); wherein the brush head (10) is an elastic material piece.