1569 results about "Mouth opening" patented technology

The invention relates to a dissolvable food gel gradient-based swallowing ability dynamic quantification method, which comprises the following steps of: constructing a microstructure unit consisting of an instantaneous surface attachment area and a middle-stage debonding layer in dissolvable food gel, and simulating early-stage sensing delay and middle-stage release response in a swallowing process; different material behavior reactions are generated in the front stage, the middle stage and the rear stage of swallowing by regulating and controlling the hydration diffusion rate, the surface tension and the internal cohesion difference value of the gel, and the gel of each stage corresponds to the set micro-viscosity and release coupling ratio, so that swallowing strategies of different stages are adapted; controllable disintegration temperature-sensing microparticles or traceable microcapsules are partially embedded in the food gel, the food gel is detained in a pharyngeal cavity after being swallowed, and the removal efficiency after swallowing is detected according to migration behaviors within a set time window; after swallowing, the reduction behaviors of the oral cavity, the tongue body and the throat muscle group are monitored, and when the characteristic action of reduction delay, secondary mouth opening, repeated swallowing or pharyngeal itching occurs, it is judged that the swallowing behavior closed loop is interrupted.

The invention relates to the technical field of three-dimensional point cloud data processing, in particular to a digital denture model design method based on a jaw position relation. Based on comparison of the initial three-dimensional point clouds under different opening amplitudes, a soft tissue interference area where soft tissue movement possibly exists and a hard tissue boundary false displacement area corresponding to point cloud overlapping caused by a scanning view angle are obtained; according to the method, the movement trend of each point in the false displacement area of the hard tissue boundary is corrected in combination with the movement trend of the adjacent area in the oral cavity, so that the corrected three-dimensional point cloud obtained after correction is more accurate, the accuracy of recording according to the corrected three-dimensional point cloud is higher, and the accuracy of the generated digital denture is improved.

A tamper-indicating and child resistant cap and container assembly, comprising a cap comprising: a cap top wall; a cap skirt having an inner wall which is at least partially threaded, and an outer wall having at least one squeezing location; at least one tamper-indicating band frangibly connected to a free end of the cap and having defined therethrough an opening; at least one tongue extending from the free end of the cap skirt which circumferentially spaced from the at least one squeezing location. The container has an open end and a neck, an outer wall of the neck being at least partially threaded and configured to cooperate with the at least partially threaded inner wall of the cap; and at least one protrusion extending from the outer wall of the container neck and configured to be received in the opening of the at least one tamper-indicating band.

A footwear article includes (a) an upper having a tongue opening at a front thereof; (b) a gusseted tongue including a tongue panel positioned over the tongue opening and a pair of gussets attaching laterally opposite sides of the tongue panel to the upper; (c) a pair of tongue fasteners configured to selectively fasten and unfasten corresponding sides of the tongue panel to and from the upper; (d) a first lacing system on the upper and arranged for guiding lacing over the gusseted tongue and tongue fasteners when the sides of the tongue are fastened to the upper; and (e) a second lacing system on the tongue panel and arranged for guiding the lacing across the tongue panel clear of the tongue fasteners when the sides of the tongue panel are unfastened from the upper.

The invention discloses a human face mouth shape coordination generation method based on geometric constraints, and relates to the technical field of image generation, and the method comprises the steps: 1, synchronously generating face vertex index tables corresponding to mouth opening and closing spatial form matrixes one by one; 2, based on the facial vertex index table, mapping the lip and gum combined boundary constraint set to a unified coordinate system to form a geometric prior constraint tensor; 3, performing multi-modal topological cascade reversible mixed transformation on the geometric prior constraint tensor to obtain a high-dimensional tooth texture candidate tensor and constraint consistency confidence spectrum; and step 4, using the high-dimensional tooth texture candidate tensor and the constraint consistency confidence spectrum as input, completing anti-aliasing, illumination compensation and gamma correction on a unified rendering pipeline, and finally obtaining a mouth shape coordination synthetic frame sequence. According to the method, the sense of reality, geometric consistency and time sequence coherence of tooth textures in the mouth shape synthesis process are effectively improved, and the problem that lips and teeth are not coordinated in an existing method is solved.

The invention relates to a stator of an electric motor comprising teeth (4) and coils mounted on the teeth (4), the stator further comprising a system for cooling the stator with a heat-transfer fluid and at least one opening (5) passing through the tooth (4) so as to allow at least some of the heat-transfer fluid to pass through the tooth (4).

The invention discloses a machine shell for oral cavity cleaning and an oral cavity cleaning device, the machine shell comprises a shell body and a cover body, the shell body is provided with an opening, and the cover body covers the opening of the shell body; the cover body and the shell are mutually nested in a preset direction, and a liquid storage cavity is defined by the cover body and the shell; a micro-channel is formed between the shell and the cover body; the micro-channel can allow gas to penetrate in the preset direction and prevent liquid from flowing out, and the micro-channel communicates the liquid storage cavity with the outside through an assembly gap between the shell and the cover. The casing for oral cavity cleaning and the oral cavity cleaning device have the effects of being free of holes in appearance, breathable and waterproof.

The invention relates to the technical field of implant teeth, in particular to a biomedical implant tooth guiding device and method.The biomedical implant tooth guiding device comprises a positioning base plate, the positioning base plate is clamped to the outer side of a gum through a positioning clamping groove, guiding plates are oppositely arranged on the two sides of a tooth implantation point position, and the ends, located on the tongue side, of the two guiding plates are fixedly connected to the positioning base plate; an opening is formed in the positioning base plate on the cheek side at the tooth implantation point, a guide block is arranged between the two guide plates in a sliding and penetrating manner, and one end, on the tongue side, of the guide block is detachably connected with the positioning base plate through a lock catch assembly; the positioning block can be quickly inserted, pulled and replaced, drill rods with different diameters are all provided with brand-new guide holes, the center lines of the drill rods are highly overlapped, and tooth implantation point positions are completely exposed after the drill rods are moved out and are convenient to clean; the spiral diversion trench and the drill rod form a cooling channel matched with a liquid suction channel, so that cooling liquid is rapidly conveyed and cooled, and waste liquid is timely removed; the clamping assembly is arranged to be integrally assembled outside the oral cavity and then fed into the mouth for accurate positioning at a time.

Even if the cap is removed from the mouth of the container while the internal pressure of the container body has increased, the contents will not spray out through the connecting passage. [Solution] The container comprises a container body 11 for containing the liquid contents, a cylindrical stopper member 12 attached to the mouth 11a of the container body, and an impregnating material 13 attached to the inside of the stopper member and capable of impregnating the liquid contents. The stopper member comprises a containment cylinder 15 for containing the impregnating material with its upper end protruding, and a communication cylinder 16 that connects the inside of the containment cylinder and the inside of the container body. A communication passage 21 is provided between the containment cylinder and the impregnating material, connecting the inside of the communication cylinder and the upper end opening 15b of the containment cylinder. The communication cylinder has a main passage 22 that connects the communication passage and the inside of the container body, and a capillary passage 23 that connects the communication passage and the inside of the container body, and has a smaller flow path cross-sectional area than the main passage, causing capillary action, arranged in parallel.

A method, for forming an intraoral monitor includes forming a first portion of a retainer corresponding in shape to teeth. The method includes forming a second portion of a retainer corresponding in shape to the teeth and including a pocket for insertion of a sensor. The method includes coupling the first and second portions of the retainer to envelop the sensor in the pocket, the retainer having an opening such that the sensor is exposed to the buccal side of the mouth of a user when the retainer is mounted on the teeth.

An improved dental impression tray system provides a way to accommodate multiple arch sizes. The tray is adjustable and has an anterior section with two distal ends and a posterior section with two distal ends. The two sections are connected together at their distal ends. A mesh membrane extends between the sections to maintain the impression material. The ends of the posterior section include a plurality of vertical pins and a vertical opening is located adjacent each distal end of said anterior section. To adjust the size of the tray, the distal ends of the anterior section can be disconnected from said distal ends of the posterior section and then reconnected by inserting the pins into the opening. Further size adjustments can be made by removing additional pins and inserting the next remaining pins into the openings.

The utility model discloses an orthodontic bracket capable of reducing friction force, which is characterized in that single-side oblique angles are arranged on the near, far and middle opening sides of a main arch wire groove, the two single-side oblique angles are arranged in parallel, a horizontally arranged transition groove is formed between the two single-side oblique angles of the main arch wire groove, and the transition groove is communicated with the main arch wire groove. The oblique angles are arranged on the near, far and middle opening sides of the main arch wire groove, so that the contact between the dental arch wire and the side wall of the main arch wire groove is changed from linear contact to point contact, the contact area between the dental arch wire and the groove of the main arch wire groove is reduced when teeth incline and move, and the dental arch wire ligature structure has the advantages that the dental arch wire ligature structure is simple in structure and convenient to use. The friction force between the teeth is reduced, the anchorage is saved, and the tooth moving efficiency is improved; the transitional groove is formed in the main arch wire groove, so that the bracket can be quickly positioned during clinical operation, the bracket is ensured to be positioned in the middle of teeth, and doctors in the industry can accept and master the bracket more easily.

A fluid substance dispensing device includes an external container with a containment element formed of a deformable part and an essentially rigid neck featuring a first flange which abuts with a free end of the external container at one of the mouth thereof, an intermediate element with a cup-shaped part inserted into the neck and fastened to the external container so that the first flange is sandwiched between the free end and the intermediate element, the cup-shaped part including an opening in communication with an internal part of the deformable part, there being—inside the cup-shaped part—a valve element configured for displacement by the body of an airless pump so that, when the body of the pump is absent or in an unused position, the valve element is stably closed, while when the pump body is pushed into a use position, the valve element is stably open.

A machine for stirring a liquid food substance has a container delimiting a cavity with a bottom and a peripheral wall for containing the liquid food substance to be stirred. The cavity extends generally along a generally upright central container axis and has a mouth for removing from the container the liquid food substance upon stirring. The machine also has an impeller including an impelling member to be rotated in the cavity against the liquid food substance about an impeller axis that is generally identical or generally parallel to the container axis. The impelling member is configured to be spaced above the cavity's bottom by (i) a maximum stirring distance when the impelling member is rotated at a maximum stirring speed about the impeller axis and (ii) a resting distance, smaller than the maximum stirring distance (H), when the impelling member stands still.

The utility model discloses an anti-loosening telescopic crown denture, and relates to the field of dentures, the anti-loosening telescopic crown denture comprises a tooth body, a connecting assembly mounted on the tooth body, a clamping assembly clamped on the connecting assembly and a denture mounted on the clamping assembly, the connecting assembly comprises a clamping seat fixedly connected to the tooth body, and a through groove is formed in the outer wall of one side of the clamping seat; and a mounting cavity is formed in the clamping seat, an opening is formed in the inner wall of one side of the mounting cavity, the inner wall of the opening is slidably connected with an L-shaped connecting seat, the inner walls of the two sides of the mounting cavity are rotatably connected with the same two-way screw rod, and the outer wall of the two-way screw rod is in threaded connection with two symmetrically-arranged threaded sleeves. The connecting assembly is arranged on the tooth body, the clamping assembly is arranged on the false tooth, and the clamping assembly is matched with the connecting assembly, so that the false tooth is conveniently fixed, meanwhile, an adjustable L-shaped connecting seat in the connecting assembly is convenient for tensioning a clamping seat, and the problem of loosening of the false tooth is effectively avoided.

The ear tag pliers comprise a pliers seat, an opening is formed in the rear side of the pliers seat, two sliding rods are fixedly connected into the opening, a first handle is fixedly connected to the rear side of the pliers seat, a hanging rod is fixedly connected to the bottom of the pliers seat, and a disinfectant storage box is fixedly connected to one end of the hanging rod. The animal ear cleaning and disinfecting device has the advantages that the first handle and the second handle are held by hands to enable the clamp base to be arranged on an animal ear in a sleeved mode, then the first handle and the second handle are pressed to drive the positioning and perforating mechanism and the cleaning and disinfecting mechanism to operate at the same time, and the positioning and perforating mechanism can conduct positioning and perforating on the animal ear. The cleaning and disinfecting mechanism can spray disinfectant to the perforated part of the animal ear for disinfection, the structure is reasonable, quick positioning and perforating are facilitated, meanwhile, the cleaning and disinfecting mechanism can disinfect the perforated part of the animal ear, and inflammation after the animal ear is perforated is prevented.

An airbag configured to be part of a wearable safety system that allows for the provision of face protection is provided. The airbag (100) comprises a C-shaped neck portion (4) having a mouth portion (9) mating with a central opening (10) configured to receive a user's neck. The neck portion (4) is adapted to partially encircle the user's neck. The airbag further comprises first and second elongated face portions (5) extending from the C-shaped neck portion (4) in regions opposite the mouth portion (9), each face portion (5) having two opposing long sides. A first attachment portion (20) of one of the two opposing long sides of the first face portion (5) is attached to an inner peripheral edge portion (23) of the central opening (10) in a region adjacent to the first edge portion (12) of the mouth portion (9), and a first attachment portion (22) of one of the two opposing long sides of the second face portion (5) is attached to the inner peripheral edge portion (23) of the central opening (10) in a region adjacent to the second edge portion (12) of the mouth portion (9). Further provided is a wearable safety system comprising a harness (200).

A dental high-speed contra-angle handpiece (1) for processing hard materials in the oral cavity of a patient, comprising: an outer sleeve (2) delimiting the dental high-speed contra-angle handpiece (1) from the environment, said outer sleeve having a handle portion (2A) extending along a longitudinal axis (3) and a head portion (2B) extending along a rotational axis (4), wherein the longitudinal axis (3) and the rotational axis (4) are arranged at an angle other than 0° to one another; a holding device (5) arranged in the head portion (2B) for holding a processing tool (6) such that it can rotate about the rotational axis (4); a tool receiving opening (7) for inserting and releasing the processing tool (6) into the holding device (5); a mechanical drive device (8) for rotating the holding device (5) to an idle speed of at least 140,000 rpm; and a spring element (25) preloaded and displaceable along the rotational axis (4). Actuator (19),which is operatively connectable to the holding device (5) in order to selectively move the holding device (5) from a first position, in which the machining tool (6) is fixed in the holding device (5), to a second position, in which the machining tool (6) can be inserted into or removed from the holding device (5), characterized in that the holding device (5) comprises: a drive sleeve (9) for releasably receiving a shaft (6A) of the machining tool (6), wherein the drive sleeve (9) has an outer wall (9A) in which a plurality of through-bores (10) are provided, and the outer wall (9A) surrounds a cylindrical interior (11) in which the shaft (6A) of the machining tool (6) can be received, a plurality of holding bodies (12) movable radially to the axis of rotation (4), wherein a holding body (12) can be received in each of the through-bores (10) of the drive sleeve (9),a clamping sleeve (13) which is displaceable along the rotational axis (4) and has a clamping sleeve wall (13A) which surrounds the holding bodies (12) and at least the section of the drive sleeve (9) having the through-bores (10), wherein by displacing the clamping sleeve (13) along the rotational axis (4), the holding bodies (12) are movable radially with respect to the rotational axis (4) and the clamping sleeve (13) and / or the holding bodies (12) selectively assume the first position and the second position, wherein in the first position the holding bodies (12) are pressed by the clamping sleeve (13) into the through-bores (10) of the drive sleeve (9) in such a way that sections of the holding bodies (12) protrude into the cylindrical interior (11) of the drive sleeve (9), whereby the shank (6A) of the machining tool (6) is fixed in the cylindrical interior (11) of the drive sleeve (9), and in the second position the Clamping sleeve (13) surrounds the holding body (12) with play,so that the holding bodies (12) can be moved radially away from the axis of rotation (4), whereby the shaft (6A) of the machining tool (6) can be inserted into or removed from the drive sleeve (9).

The utility model discloses a woven bag opening mechanism used during filling of woven bags, and relates to the technical field of woven bag opening. The opening expanding assembly is arranged on the frame body and used for expanding openings of the woven bags; the opening expanding arc plate position adjusting assembly is arranged on the frame body and the opening expanding assembly and used for adjusting the position of the opening expanding assembly and expanding the woven bag; and the driving assembly is arranged on the frame body and the mouth opening arc plate position adjusting assembly and is used for driving the mouth opening arc plate position adjusting assembly and holding the device. The effect of opening a woven bag opening can be achieved through cooperation of the first opening opening arc plates and the second opening opening arc plates, and the device is simple in structure, small in size and easy to use, so that the two second opening opening arc plates can be driven to be away from each other, and the woven bag opening effect is improved. And the effect of driving the opening expanding assembly to expand the woven bag is achieved.

A method of forming an access route to the bile duct includes: forming a tunnel extending from an oral ridge of a duodenal papilla, which is located on an oral side of a natural opening of a duodenal papilla, to the bile duct; and dilating a lumen of the tunnel more than when it was formed.

Disclosed is a breathing adjustment apparatus, comprising: a body provided with a breathing channel, the body being of a hollow tubular structure; a first opening disposed at one end of the body and configured to be inserted into the mouth of a user; a second opening in communication with the first opening, wherein the second opening is disposed at the other end of the body and configured for exhalation; and an inner core housed within the body for providing a breathing resistance; wherein air enters the body through the first opening and reaches the second opening through the inner core.

The invention relates to the technical field of child respiration, in particular to a child pneumology department pressing type medicine spraying device which comprises an upper tooth socket and a lower tooth socket, the upper tooth socket and the lower tooth socket are the same in structure and opposite in direction, the upper tooth socket and the lower tooth socket are vertically matched, and movable shafts are arranged in the centers of the two ends of the upper tooth socket and the center of the two ends of the lower tooth socket. Adjusting and controlling assemblies are arranged in the centers of the two sides of the upper tooth socket and the lower tooth socket, and limiting assemblies are arranged between the movable shafts. According to the device, through the arranged regulation and control assembly, medical staff can be assisted in completing continuous comfortable mouth opening operation when pressing type medicine spraying treatment is conducted on the child pneumology department, and in the actual using process, electric push rods in adjusting bases at one ends of an upper extending base and a lower extending base are started; the electric push rod can perform adaptive telescopic adjustment operation at four corners of two sides of the upper tooth socket and the lower tooth socket, so that the upper tooth socket and the lower tooth socket can perform slow inclined opening operation along the movable shaft.

A dental matrix for forming a crown on a tooth includes a body having a expandable tab, which allows the diameter of an opening to be expanded for removal of the matrix from the formed crown.

A pizza container includes a container body, a lid, and one or more storage bags. The storage bag includes a top wall and a bottom wall, a storage cavity is formed between the top wall and the bottom wall, the storage cavity includes an opening communicated with outside, and a pizza to be stored can be loaded into the storage cavity through the opening. The container body includes a bottom plate and an enclosing wall surrounding the bottom plate, the bottom plate and the enclosing wall enclose a receiving cavity with an open mouth at one end, the receiving cavity is configured to hold the storage bag. The lid is detachably connected to the container body and is configured to seal the open mouth.

The utility model discloses a volume control type mouth and nose aerosol dosing device which comprises a storage tank, an inhalation mechanism and a mask mechanism, the two ends of the storage tank are both of an open structure and are provided with a medicine inlet end and a medicine suction end respectively, the inhalation mechanism is arranged at the medicine suction end of the storage tank and comprises a blocking cover, and the blocking cover is arranged on the storage tank. A closed structure is arranged between the blocking cover and the suction end, and an adjusting structure is arranged between the blocking cover and a tank body of the storage tank and used for adjusting the size of an opening of the closed structure; the mask mechanism sleeves one end, away from the storage tank, of the suction mechanism. The closed structure is designed, the size of the opening of the closed structure is adjusted through the arrangement of the adjusting structure, so that the opening size of the medicine suction end of the storage tank is adjusted, the medicine suction end of the device is adjusted, and patients with different vital capacities can adjust the size of the medicine suction caliber according to the medicine suction requirements; and therefore, the device is more flexible to use.

The embodiment of the utility model provides a dental instrument which comprises a shell-shaped body, the shell-shaped body is provided with a plurality of tooth containing cavities and a traction part, the traction part is of a cavity structure formed by protruding and extending from the surface of the shell-shaped body to the far-tooth direction, and the traction part and the edge of the shell-shaped body are arranged in a spaced mode; the side surface of the traction part is provided with an opening structure used for hanging a traction piece, the side surface of the traction part is further provided with a reinforcing ridge formed by protruding or recessing part of the side surface, one end of the reinforcing ridge is adjacent to the free end of the traction part, the other end of the reinforcing ridge is far away from the free end of the traction part, and the whole reinforcing ridge is roughly arranged in the protruding and extending direction. Through the arrangement, the anti-bending section coefficient of the side surface of the traction part under the action of traction force can be effectively improved, so that the deformation resistance of the side surface of the traction part in the traction direction is improved.

The invention relates to the technical field of melt flow rate measurement, and provides melt flow rate measuring equipment and a melt flow rate measuring method.The melt flow rate measuring equipment comprises a charging barrel, an ejector rod, a first driving part, a second driving part, a motor and a mouth mold, and the charging barrel is of a cylindrical structure; the ejector rod is a telescopic rod and corresponds to the bottom opening of the charging barrel; the first driving piece is used for driving the ejector rod to move relative to the charging barrel; the second driving piece is used for driving the ejector rod to stretch; the motor is arranged at the movable end of the ejector rod, and a main shaft of the motor is connected with a rotating end. The mouth mold is arranged on the rotating end, and the rotating end blocks the mouth mold. When the mouth mold is assembled, the problem of assembly clamping stagnation does not exist, meanwhile, the mouth mold is convenient to take down and clean in time, subsequent normal use is prevented from being affected, and application convenience is improved.

An oral care system comprising an oral care device and a processor. The processor is configured to obtain an image of a user using the oral care device and process the image to identify a portion of the oral care device in the image and determine a relative measurement of the user from the image. An absolute measurement of the user can then be determined using the identified portion of the oral care device and the relative measurement.

Provided herein is a re-usable device that would allow for the export of, or consumption of liquid without having to remove the device from the can such as the aluminum beverage can and that would also seal the liquid inside a beverage can. A water-resistant or water-proof, insect-proof, dirt-proof synthetic cap is provided that is to be attached to the lip area of the open mouth of can or other open mouth container, such as metal, plastic or an aluminum beverage can.