113 results about "Bite block" patented technology

A oral suction device that incorporates a foldable suction body, a bite block and a suction adapter that is utilized to block the throat cavity. The body draws water, saliva and debris from about a gap along its outer perimeter. The suction body resides in a vertical position in the patient's mouth and is able to expand to allow the transport of large pieces of debris without coming apart. There is a fishtail section of the suction body that anchors it between the teeth and the inner cheek so as to allow the remained of the suction body to block the throat hole.

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.

An oral airway for use with a sedated patient is provided. The oral airway includes an elongate shaped member with a lip protector that is operatively associated with the proximal end of the elongate shaped member. The oral airway further includes a bite block that is incorporated around at least a portion of the elongate shaped member. The oral airway further includes a first channel and a second channel, both attached to the oral airway. When a scope is inserted through the oral airway, the elongate shaped member is positioned between the tongue and the scope.

The utility model relates to the technical field of veterinary medicine feeding, and discloses an anti-bite animal husbandry veterinary medicine feeding device which comprises a bite assembly, the bite assembly comprises a bite block, a bite elastic column is arranged in the bite block, and an extending pipe is arranged in the bite block in a penetrating mode. The needle tube assembly comprises a needle tube body, a piston rod cover piece used for pushing liquid medicine is arranged on the needle tube body, one end, close to the piston rod cover piece, of the needle tube body is fixedly connected with a clamping plate, and one end, far away from the piston rod cover piece, of the needle tube body is in threaded connection with an installation nut. According to the utility model, through the arrangement of the occlusion assembly, the occlusion block can be placed in the mouth of an animal to be bitten by the animal, so that the needle tube body is prevented from being bitten and damaged, and medicine feeding can be carried out smoothly; through the arrangement of the needle tube assembly and the placing assembly, the piston rod can be automatically pushed, manual pushing of the piston rod is not needed, labor and time are saved in use, various kinds of liquid medicine can be contained, and use is convenient and practical.

The utility model relates to an anti-bite device for an oral thermometer, which relates to the technical field of medical instruments and is used for solving the problem that in the prior art, a patient may unconsciously bite the thermometer, so that the risk that the thermometer is damaged is greatly increased. And the broken or damaged part of the thermometer may seriously threaten the oral cavity of the patient and even the whole digestive system to cause body injury. Comprising an upper meshing block and a lower meshing block, the upper meshing block and the lower meshing block are detachably connected, an inclined fixing through hole is formed between the upper meshing block and the lower meshing block, the fixing through hole is used for installing a thermometer, and the thermometer is detachable. Occlusion grooves are formed in one sides, in contact with teeth, of the upper occlusion block and the lower occlusion block.

The utility model belongs to the technical field of medical instruments and provides a disposable bite block which comprises a first bite block body, an adjusting mechanism used for adjusting the expansion angle of the bite block body is connected to the upper portion of the first bite block body, and a tongue pressing mechanism used for improving the intubation effect is arranged on the inner side of the first bite block body. The working performance of the tooth cushion is greatly improved through the arranged adjusting mechanism, the device structure is perfected, the expansion distance between the first tooth cushion and the second tooth cushion can be effectively adjusted through working cooperation of the telescopic column arranged in the adjusting mechanism and the screw adjuster, and therefore the device is not only suitable for trachea insertion, but also suitable for gastroscope intubation; the application range of the bite block is greatly widened, the working performance of the bite block is further improved through the arranged tongue pressing mechanism, the intubation working efficiency is improved to a certain degree, when the bite block is meshed in the oral cavity of a patient, a tongue pressing plate arranged in the tongue pressing mechanism conducts tongue pressing work through a movable shaft, and therefore the sight blocking situation is reduced, and the intubation effect is improved. And a worker can conveniently carry out intubation work.

The utility model relates to a bite block which comprises a U-shaped bite block body, a first via hole penetrating through the inner side face and the outer side face of the U-shaped bite block body is formed near the bending position of the U-shaped bite block body, and an air supply pipe guide pipe penetrates through the first via hole. A fixing mechanism is arranged at the position, located at the first via hole, of the outer side face of the U-shaped bite block body and used for being fixedly connected with the tracheal catheter. The dental pad provided by the utility model can avoid deformation of a tracheal catheter, can avoid damage to teeth of a patient in an operation, and can prevent bite injury of tongue and oral soft tissues; the first via hole is formed near the bending position of the U-shaped bite block body, the fixing mechanism is arranged at the position, located at the first via hole, of the outer side face of the U-shaped bite block body, and after a tracheal catheter penetrates through the first via hole, the tracheal catheter is fixed through the fixing mechanism, so that fixation between the tracheal catheter and the bite block is achieved.

The invention relates to the technical field of medical instruments, in particular to a multi-channel oropharyngeal ventilation device for the anesthesiology department, the multi-channel oropharyngeal ventilation device for the anesthesiology department comprises a ventilation pipe, a functional pipe and a mounting plate, two through holes are symmetrically formed in the side face of the mounting plate, and the ventilation pipe and the functional pipe are arranged in parallel and movably connected to the inner walls of the through holes of the mounting plate respectively; the device further comprises a guide plate fixedly connected to the middle of the mounting plate, occlusion blocks are symmetrically connected to the two sides of the guide plate in a sliding mode, the occlusion blocks are used for being occluded and limited between the upper teeth and the lower teeth of a patient, and the ends, facing ventilation, of the occlusion blocks are arc-shaped end faces. Through the vent pipe and the functional pipe which are arranged in parallel, ventilation support and clinical drainage, dosing and other operations in an anesthesia state are achieved respectively, repeated intubation is avoided, the locking assembly is matched to automatically lock the vent pipe and the functional pipe at the target depth after the device is in place, a catheter is effectively prevented from sliding or dislocation in an operation, and the operation efficiency is improved. And the accuracy and the safety of medical operation are ensured.

A nasal respiratory apparatus with end tidal sampling according to various implementations is intended to support providing oxygen, ventilation, and end tidal CO2 sampling of the patient oxygenation during pre-operation, undergoing anesthesia intra-operation, and post-operation during recovery. Additional features of the device include an oral shield / scoop that allows for sampling of orally ventilated end tidal CO2 and a bite block that allows for oral end tidal CO2 sampling and opens the patient's mouth, allowing for use of an endotracheal tube, head straps, and nares ports.

The utility model belongs to the technical field of artificial airway equipment, and particularly relates to a trachea cannula with a tooth cushion. The trachea cannula with the bite block comprises a body tube, the bite block is arranged on the outer wall of the body tube, the section of the bite block is oval, a plurality of first fixing teeth are arranged on the front face of the bite block, and a plurality of second fixing teeth are arranged on the back face of the bite block.

The invention belongs to the field of trachea cannula fixing, and particularly discloses a detachable trachea cannula fixing device which comprises a body and a connecting mechanism. The body comprises a bite block, a through hole is formed in the bite block, fixing plates are arranged on the two sides of the bite block, bandages are arranged at the rear ends of the two fixing plates, and a head cushion is movably connected between the two bandages. The connecting mechanism comprises connecting bases arranged on the two sides of the tooth cushion, a clamping rod is arranged at the front end of the fixing plate, a clamping groove is formed in each connecting base, and a conical block is arranged in the portion, on the top of each clamping groove, of the connecting base through a spring; through cooperation of the clamping rod and the clamping groove in the connecting mechanism and combination of a conical block locking structure driven by a spring, rapid connection and separation of the tooth cushion and the fixing plate are achieved, the whole process can be completed through one-hand operation, the working efficiency of medical workers is remarkably improved, and the tooth cushion fixing device is particularly suitable for rapid fixing and rescue operation under the emergency condition.

The utility model discloses a bite block for tracheal intubation, which is matched with the tracheal intubation and a suction tube for use and comprises a bite block body, a first through groove for fixing the tracheal intubation and a second through groove for inserting the suction tube are arranged in the bite block body, a lip baffle is arranged on the lateral portion of the bite block body, and the lip baffle is provided with two groups of elastic bands which can be adhered to each other. A size-adjustable air bag is arranged below the lip baffle at the side part of the bite block body; and a gap is formed between the lip baffle and the air bag for teeth to occlude. The trachea cannula clamping device has the advantages that the trachea cannula can be clamped so as to improve the stability of the trachea cannula and the bite block, and a suction tube can be clamped so as to suck oropharyngeal secretions; 2, a mouth-held air bag is arranged, and the size of the air bag can be adjusted according to the oral size of the patient, so that the bite block is better attached to the oral gum of the patient; and 3, the tooth pad is integrally fixed by sticking the elastic bands, so that the defect that the tooth pad is easily polluted by the oral secretion of the patient and fails when being fixed by a medical adhesive tape traditionally is overcome.

The utility model discloses an adjustable orthodontic mouth gag, the adjustable orthodontic mouth gag includes: mounting seat, slide subassembly and rotatory subassembly, mounting seat is placed in the oral cavity, slide subassembly includes slide cylinder and U-shaped top frame, the number of slide subassembly is two, and the slide cylinder is equipped with the U-shaped top frame. The sliding barrels of the two sliding assemblies are slidably installed in the first channel and the second channel correspondingly, the ends, away from the containing cavity, of the sliding barrels extend out of the first channel or the second channel, the U-shaped top frame is installed at the ends, away from the containing cavity, of the sliding barrels, and internal threads are arranged on the inner circumferential walls of the sliding barrels. The number of the threaded rods is two, the two threaded rods are in threaded fit with the two sliding barrels respectively, the transmission assembly is in transmission connection between the threaded rods and the connecting rod, and the end, away from the transmission assembly, of the connecting rod is suitable for extending out of the oral cavity. According to the adjustable orthodontic mouth gag, the stability is good, the operation of a doctor can be facilitated, and the operation convenience is improved.

The utility model relates to the technical field of medical instruments, and discloses an oropharyngeal airway device based on a bite block, which comprises the bite block, a through hole is arranged on the bite block, an oropharyngeal airway is arranged in the through hole, the oropharyngeal airway comprises a duck tongue opening and a pipeline connected with the duck tongue opening, a breather pipe is arranged on the inner wall of the pipeline, and a clenching part is arranged on the outer wall of the through hole. And a silica gel layer is arranged on the surface of the oropharynx airway. And a flexible bulge is arranged on the clenching part. According to the overall design of the oropharyngeal airway device, the physiological characteristics and clinical requirements of a patient are fully considered, and the rehabilitation process of the patient is promoted in the modes of reducing discomfort, improving the ventilation efficiency and the like. Meanwhile, soft material selection is also beneficial for preventing complications, such as pharyngeal edema, ulcer and the like, possibly caused by long-term use of the oropharyngeal airway. The device can ensure normal breathing of a patient, improves the comfort of the patient, and is suitable for patients needing airway support, such as painless gastrointestinal endoscopy patients.

The utility model relates to medical instrument technical field, specifically disclose a mouthpiece with adjustable caliber and have buffer function for gastroscope, including connecting plate, upper arc piece, lower arc piece, upper silica gel pad, lower silica gel pad, upper drawstring and lower drawstring, the first end of upper arc piece and lower arc piece is respectively hinged in the upper and lower sides of connecting plate, the length of the section of lower arc piece away from connecting plate is greater than the length of the section of upper arc piece away from connecting plate, the opposite side of upper arc piece and lower arc piece is connected with upper silica gel pad and lower silica gel pad respectively, the opposite side of upper arc piece and lower arc piece and close one end of connecting plate is connected with upper drawstring and lower drawstring respectively, the upper and lower sides of connecting plate are provided with the upper fixed hole and lower fixed hole respectively, the position between upper arc piece and lower arc piece on connecting plate is equipped with mirror body through hole, the utility model can prop open the mouth of patient, avoid damaging patient's teeth.

The invention relates to the technical field of medical apparatus and instruments, in particular to an anti-backflow sputum collecting device which comprises a collecting barrel, a barrel cover is connected to the top end wall of the collecting barrel through threads, and an air pump communicated with the collecting barrel is mounted on the outer wall of the top of the barrel cover. By means of the fixing mechanism, when sputum suction operation is conducted, a sputum suction pipe is inserted into the throat from the oral cavity of a patient, the patient holds a limiting plate on the pipe support, the limiting plate abuts against the interior of a vestibular sulcus between the lip and teeth, meanwhile, the lower teeth of the patient abut against the lower biting block, and sputum suction is conducted. The supporting frame abuts against the face of the patient, the shaking amplitude of the pipeline support can be reduced, and the situation that in the prior art, when the head of the patient moves or the hands of medical staff are not stable, the sputum suction pipe is likely to shake, and the sputum suction pipe cannot be fixed in the oral cavity of the patient is avoided. Therefore, the sputum suction operation cannot be carried out smoothly.

The utility model relates to medical instrument technical field, propose a kind of oral cavity saliva suction pipe with fixed function, including saliva suction pipe body, the one end of saliva suction pipe body is the same as gingival separator like sickle shape, the outside wall of saliva suction pipe body is provided with occlusal block, the side of occlusal block is provided with guide pipe, and saliva suction pipe body is inserted in occlusal block and guide pipe, the left and right sides of occlusal block are both fixedly installed with H-shaped casing, the upper and lower sides of occlusal block are both provided with occlusal plate, the side of two occlusal plates is all rectangular fixedly installed with four fixed columns, and fixed column and H-shaped casing are inserted between, the side of fixed column is sequentially provided with multiple insertion holes from top to bottom, one of H-shaped casing is provided with a pair of locking components, by the one end of saliva suction pipe body is set to sickle shape, to make the working end of saliva suction pipe body have a little angle, to further when extracting embedded tooth, can be used to fix incised gingival, assist doctor treatment, saliva can also continue to be sucked.

The utility model relates to the technical field of medical instruments, and discloses an oral secretion guide tube, which is characterized in that a communicating tube I is arranged at the top of a three-way head; the communicating pipe II is arranged at the bottom of the tee joint; the hose is arranged on the tee joint; the sliding sleeve is arranged on the hose in a sliding manner; the sliding sleeve is sleeved with a plate body, and a first fixing hole is formed in the plate body; the rod bodies are symmetrically arranged on the plate body, the rod bodies and the plate body are connected in an inserted mode, second fixing holes are formed in the rod bodies, and tooth pads are arranged at the tops of the rod bodies; a bolt is arranged on the first fixing hole and the second fixing hole in a penetrating mode, and a screw disc is arranged at the other end of the bolt in a threaded mode. A sliding sleeve is arranged on a hose, a plate body is arranged on the sliding sleeve, a fixing hole is formed in the plate body, meanwhile, a rod body is connected to the plate body in an inserted mode, the rod body can move along an insertion opening, and a fixing hole is formed in the rod body, so that a user can fix the rod body to the plate body and fix the position of a bite block by penetrating a bolt and a screw disc through the two overlapped fixing holes.

The oral cavity opening size adjusting device comprises a fixing frame and a measuring assembly, rotating seats are rotationally clamped to the two ends of the fixing frame correspondingly, through holes are formed in the rotating seats, a sliding rod and a threaded rod are slidably clamped in the two through holes correspondingly, and fixing blocks are fixedly connected to the bottom ends of the sliding rod and the threaded rod through longitudinal rods correspondingly; the measuring assembly comprises a guide rail connected between the two fixing blocks, a moving seat is slidably clamped on the outer side of the guide rail, and a pair of pneumatic rods are rotatably connected to one side, close to the guide rail, of the moving seat; the external shape of teeth of a patient can be measured by the measuring assembly and synchronized to the soft strip clamped in the shaping clamp, then the occlusion block is arranged in the extension direction of the soft strip and clamped to teeth of the lower jaw of the patient, and finally, the occlusion block is pulled through the fixing block so as to be matched with the fixing frame to open the oral cavity of the patient for auxiliary fixing.

The application relates to the technical field of dental instruments, in particular to an intelligent bite pad integrated with an opening device and a rubber dam clamp, which comprises a rubber dam clamp, the rubber dam clamp comprises two clamping arms and an elastic arc bow, the two clamping arms are connected through the arc bow, a first bite part is arranged on one side of the clamping arms close to the arc bow, a connecting shell is fixedly arranged on the top of the first bite part, a connecting port is arranged on the side, away from the first bite part, of the connecting shell, a second bite part is movably arranged on the connecting shell, an adjusting assembly for adjusting the distance between the first bite part and the second bite part is arranged in the connecting port, and bite grooves are arranged on the sides, away from each other, of the first bite part and the second bite part. During oral treatment, the rubber dam cloth is used to separate the diseased tooth from other oral structures, the diseased tooth is isolated, the patient bites the first bite part and the second bite part, the oral cavity of the patient is supported, and the comfort of the patient is improved.

The invention relates to the technical field of medical apparatus and instruments, and discloses an oral cavity catheter with distraction and negative pressure suction functions and a preparation process, the oral cavity catheter comprises an occlusion block, a negative pressure box, a protection blade assembly, a cheek protection part, a water outlet pipe, an atomization nozzle and a water inlet assembly; a plurality of connecting grooves are formed in the outer side of the occlusion block, detachable occlusion plates are arranged in the connecting grooves, elastic pieces are fixedly connected to the outer sides of the detachable occlusion plates, and the outer sides of the elastic pieces abut against the outer side of the occlusion block; one end of the meshing block is fixedly connected with the negative pressure box, and a negative pressure suction head assembly is connected to the inner side of the negative pressure box in an embedded mode. The end, opposite to the negative pressure box, of the meshing block is fixedly connected with the protection blade assembly. The oral cavity catheter with the distraction and negative pressure suction functions and the preparation process have the advantages that the position of the biteplate body can be adjusted to meet the oral cavity sizes of different patients, meanwhile, normal saline can be injected into the oral cavity regularly, and the oral mucosa of the patients is prevented from being dry.

The application discloses an intelligent device and alarm device for preventing accidental disconnection of a tracheal catheter, and relates to the technical field of medical devices.The device comprises a tracheal body, a bite block is arranged on one side of the tracheal body, and a placing groove is formed in the two sides of the bite block; the tracheal body is arranged in any one of the placing grooves; a fastening structure is arranged in the placing groove; the fastening structure comprises a fastening belt, which can fix the tracheal body; an alarm is arranged on the bite block, and the alarm can alarm when the tracheal body is disconnected; the fastening structure can be inflated immediately through the air bag ring when an abnormal axial tension is monitored, and the increasing resistance can be provided in the process of pulling out the catheter; the tactile feedback can often interrupt the unconscious behavior chain of the patient, the tracheal body can be prevented from moving out of the bite block, and the purpose of preventing the catheter from being disconnected is achieved.

The utility model discloses a silica gel bite-proof bite pad capable of fixing a trachea cannula. The silica gel bite-proof bite pad comprises a bite pad body made of silica gel, a plurality of suction holes are formed in the outer sides of the two ends of the bite block body, a suction cavity channel is formed in the bite block body, all the suction holes are communicated with the suction cavity channel, the suction cavity channel is communicated and connected with a suction pipe used for being connected with external negative pressure equipment, and a through hole penetrating through the front side and the rear side of the bite block body is formed in the bite block body. And a short tube capable of hooping the trachea cannula is coaxially sleeved in the through hole. The utility model has the advantages that the oral secretion can be effectively discharged, and the suffocation risk is reduced.

The utility model discloses an individualized tissue compensation device which comprises a support and a water bag detachably installed on the support, the support comprises a matching block, a one-way valve pipe, a deformable occlusion block and a tongue pressing block, the one-way valve pipe penetrates through the matching block, the deformable occlusion block and the tongue pressing block, and the one-way valve pipe penetrates through the other matching block, the deformable occlusion block and the tongue pressing block. The deformable occlusion block is clamped between the matching block and the tongue pressing block, the water bag is arranged at the end of the one-way valve pipe in a sleeving mode, and the water bag and the tongue pressing block are located on the same side. The support is placed in hot water, the deformable occlusion block can be softened, then the support is placed in the middle of the oral cavity of a patient, the tongue depressor presses the tongue, the patient occludes the deformable occlusion block, tooth marks are bitten out, and the deformable occlusion block is taken out and cooled for standby application, so that the individualized function is achieved. In addition, by arranging the water bag, tissue compensation can be formed by injecting water into the water bag and filling the oral cavity through expansion of the water bag, the normal tissue exposure dose is reduced, and the target area surface dose is increased.

The medical laryngeal mask convenient to fix comprises an air guide tube, one end of the air guide tube is connected with an air bag, the side, close to the air guide tube, of the air bag is connected with an air inflation tube, the end, away from the air bag, of the air inflation tube is provided with an air valve, and the end, away from the air bag, of the air guide tube is connected with a connecting tube. The lower connecting ring and the upper connecting ring which are adjustable in position are arranged, the lower adjusting ring is rotated to drive the lower connecting ring to move and approach the inner side of a tooth to be replaced, then the upper adjusting ring is rotated, the upper adjusting ring can drive the upper connecting ring to move downwards, and therefore the tooth to be replaced can be replaced. The upper biting block and the lower biting block are fixed to the inner side and the outer side of the teeth, so that the device can be fixed through the teeth, shaking of the air guide pipe is avoided, the upper biting block and the lower biting block move respectively, the device can adapt to tooth shapes and tooth thicknesses of different patients, and the device can be fixed to adapt to different patients.

The utility model discloses an oral care device capable of spraying oral care solution, which belongs to the technical field of medical instruments and comprises a biting block, a suction structure, a control structure and a cleaning structure. And a first through hole and a second through hole are formed in the biting block. The suction structure is installed at the first through hole, and the cleaning structure is installed at the second through hole. The control structure comprises an extrusion block, a push block and a control rod. And the control rod is rotationally matched with the biting block. And the push block is in sliding connection with the biting block and is in threaded connection with the control rod. The extrusion block is in sliding connection with the biting block in the radial direction of the first through hole, and the extrusion block and the control rod are matched through an inclined face so that the extrusion block can be pushed into the first through hole through the push block when the control rod rotates in the first direction. According to the oral care device capable of spraying the oral care solution, effective suction of sewage in the oral cavity and spraying of the oral care solution are achieved, the oral cleaning effect is improved, the suction action of the suction structure can be controlled by rotating the control rod, and operation is easy, convenient and reliable.

The invention relates to the technical field of gastric lavage machines, and discloses a gastric lavage device with a temperature control function, which comprises an automatic gastric lavage machine and a gastric tube, the outer side of the gastric tube is sleeved with a bite device, the gastric lavage device further comprises a fixing assembly, the fixing assembly is arranged on one side of the bite device and comprises a fixing part, the fixing part comprises a connecting sleeve located on the outer side of the bite device, and a fixing sleeve is fixed on one side of the connecting sleeve; a clamping plate is arranged on the inner side of the fixing sleeve, positioning spurs are fixed to one side of the clamping plate, an elastic plate is arranged on one side of the clamping plate, and a pull rope is fixed to one side of the clamping plate and the other end of the pull rope is fixed to the inner wall of the fixing sleeve. The stomach tube fixing device has the advantages that the fixing assembly is connected with the biting device, after the biting device is placed in the mouth of a patient and the stomach tube is inserted into the stomach of the patient by a specified depth, the stomach tube can be fixed through the fixing assembly, the situation that the stomach tube moves is avoided, operation is convenient and fast, stability is high, and meanwhile the stomach tube cannot be pressed in the fixing process.

An oxygen mask may include a convex shell having an upper portion and a lower portion and defining a chamber, a rim at least partially around the chamber, a nasal access port in the upper portion, and an oral access port in the lower portion. The nasal access port that is penetratable and / or puncturable to provide access to the chamber, and the oral access port may include a bite block defining a lumen and a valve in the lumen. The oxygen mask may include an inlet into the chamber, an outlet from the chamber, and a sampling port in communication with the chamber. The oxygen mask may include at least one fold or crease configured to allow the bite block to tilt relative to the horizontal axis and / or to translate along the vertical axis.

1. Name of the product in this design: Braces Storage Box. 2. Purpose of this design: To store accessories such as invisible braces, retainers, orthodontic peripherals, removal devices, and bite blocks. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.