CN117338449B - Severe patient mouth gag - Google Patents
Severe patient mouth gag Download PDFInfo
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- CN117338449B CN117338449B CN202311642553.2A CN202311642553A CN117338449B CN 117338449 B CN117338449 B CN 117338449B CN 202311642553 A CN202311642553 A CN 202311642553A CN 117338449 B CN117338449 B CN 117338449B
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- assembly
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- 230000000670 limiting effect Effects 0.000 claims abstract description 22
- 210000002784 stomach Anatomy 0.000 claims description 27
- 230000008878 coupling Effects 0.000 claims description 16
- 238000010168 coupling process Methods 0.000 claims description 16
- 238000005859 coupling reaction Methods 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 5
- 239000000741 silica gel Substances 0.000 claims description 5
- 229910002027 silica gel Inorganic materials 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 47
- 230000008569 process Effects 0.000 abstract description 34
- 210000000214 mouth Anatomy 0.000 abstract description 32
- 210000003781 tooth socket Anatomy 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 4
- 210000002105 tongue Anatomy 0.000 description 75
- 230000002496 gastric effect Effects 0.000 description 24
- 230000009471 action Effects 0.000 description 8
- 230000013011 mating Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 244000309464 bull Species 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000009747 swallowing Effects 0.000 description 3
- 208000002193 Pain Diseases 0.000 description 2
- 208000035475 disorder Diseases 0.000 description 2
- 230000008451 emotion Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 210000003437 trachea Anatomy 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 206010010071 Coma Diseases 0.000 description 1
- 208000028399 Critical Illness Diseases 0.000 description 1
- 208000032843 Hemorrhage Diseases 0.000 description 1
- 206010021518 Impaired gastric emptying Diseases 0.000 description 1
- 208000004756 Respiratory Insufficiency Diseases 0.000 description 1
- 208000003443 Unconsciousness Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 210000004712 air sac Anatomy 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000001647 drug administration Methods 0.000 description 1
- 230000002996 emotional effect Effects 0.000 description 1
- 210000003238 esophagus Anatomy 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 210000001983 hard palate Anatomy 0.000 description 1
- 201000000615 hard palate cancer Diseases 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 235000021056 liquid food Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 210000003928 nasal cavity Anatomy 0.000 description 1
- 210000002850 nasal mucosa Anatomy 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 210000003456 pulmonary alveoli Anatomy 0.000 description 1
- 201000004193 respiratory failure Diseases 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 210000003079 salivary gland Anatomy 0.000 description 1
- 210000001154 skull base Anatomy 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
- A61B90/10—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges for stereotaxic surgery, e.g. frame-based stereotaxis
- A61B90/14—Fixators for body parts, e.g. skull clamps; Constructional details of fixators, e.g. pins
- A61B90/16—Bite blocks
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. mouth-to-mouth respiration; Tracheal tubes
- A61M16/04—Tracheal tubes
- A61M16/0488—Mouthpieces; Means for guiding, securing or introducing the tubes
- A61M16/049—Mouthpieces
- A61M16/0493—Mouthpieces with means for protecting the tube from damage caused by the patient's teeth, e.g. bite block
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Veterinary Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- Pulmonology (AREA)
- Surgery (AREA)
- Public Health (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Pathology (AREA)
- Emergency Medicine (AREA)
- Anesthesiology (AREA)
- Hematology (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a mouth gag for severe patients, and belongs to the technical field of medical equipment. The device comprises a shell and a top block, wherein a driving assembly is rotationally connected to the inner surface of the shell, a guiding assembly is arranged on the inner surface of the shell, an adjusting assembly is arranged on the surface of the shell, a tongue pressing assembly is arranged on the surface of the driving assembly, and a lip expanding assembly is slidingly connected to the outer surface of the shell. In the above-mentioned scheme, severe patient mouth gag is provided with drive assembly, adjusting part, tongue pressing subassembly and direction subassembly, and adjusting part not only can change the interval between the kicking block, and the operating personnel utilizes the accurate distance of adjusting the accuse of pointer moreover. The driving assembly enables the ejector block to support teeth of a patient to open the oral cavity of the patient, and the biting block is matched with the tooth socket to enable the teeth of the patient to be supported in the supported process, so that the safety and the comfort are better. The tongue pressing assembly plays a role in limiting and protecting the tongue of the patient, so that the tongue handling of the patient is prevented from affecting the sight of operators.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to an opening device for severe patients.
Background
The severe patients refer to patients with serious illness and high life threat. They typically require all-weather healthcare and attention. Severe patients may be in a severe condition such as coma, respiratory failure, multiple system failure, etc., requiring special medical treatment and support in an Intensive Care Unit (ICU) or similar special care environment. Patients with severe disease often cannot eat food spontaneously due to critical illness, and a gastric tube is needed to be reserved for enteral nutrition and drug administration. The conventional method for retaining the gastric tube is a transnasal retaining gastric tube method, but serious patients are usually retained with an oral trachea cannula, and most patients have consciousness disturbance, so that the swallowing function is reduced or lost, the swallowing cannot be matched in the transnasal tube retaining process, or the esophagus opening is deformed due to the compression formed by an air sac of the trachea cannula, and the gastric tube is easy to be folded when encountering resistance or is bent in the oral cavity, so that the transnasal retaining gastric tube fails; or nasal mucosa injury and hemorrhage caused by long-term retention of nasal gastric tube, or nasal gastric tube contraindication such as nasal cavity occupation and skull base fracture, etc., the oral retention gastric tube is required. However, serious patients often have unconsciousness and cannot meet the commands of opening, swallowing and the like, and an opening device is needed in the process of indwelling the gastric tube.
The mouth gag can assist operators to open the oral cavity of a patient, and further the subsequent tube placing process is completed. The current mouth gag widely applied clinically has no safety fixing structure, and patients can have the phenomena of disordered teeth biting and uneven tongue throughput due to instinct such as emotional agitation or self-protection in the using process of the mouth gag, so that the supporting structure of the mouth gag is separated from teeth, and the risk of accidentally injuring the gum, hard palate, salivary glands, tongue and other parts exists; and after the mouth gag is used for opening the oral cavity of a patient, the operator also needs to insert a stomach tube, and the tongue throughput of the patient can influence the sight of the operator in the stomach tube insertion process, so that the disposable placement success rate is low. Therefore, in order to solve the problem that the oral cavity of a severe patient cannot be safely opened and improve the success rate of the disposable indwelling oral gastric tube, the application provides an opening device for the severe patient to meet the requirements.
Disclosure of Invention
The invention aims to solve the technical problems of low efficiency and inconvenient operation in the stomach tube placement process when an operator opens the oral cavity of a severe patient by using the mouth gag.
In order to solve the technical problems, the invention provides the following technical scheme:
the utility model provides a severe patient mouth gag, includes shell and kicking block, the internal surface rotation of shell is connected with drive assembly, drive assembly is used for the drive the kicking block takes place the displacement, drive assembly respectively with the kicking block with the shell is connected, the internal surface of shell is provided with guide assembly, guide assembly is used for leading the stomach tube, guide assembly with the shell is connected, the surface of shell is provided with adjusting part, adjusting part is used for adjusting the interval of relative position between the shell, adjusting part with the shell is connected, drive assembly's surface is provided with the tongue pressing subassembly, the tongue pressing subassembly is used for spacing the tongue of patient, the tongue pressing subassembly with drive assembly is connected, the surface sliding connection of shell has the lip expanding subassembly, the lip expanding subassembly is used for expanding the patient's lips outward, the lip expanding subassembly with the shell is connected.
Optionally, the drive assembly is including rotating the toothed disc of connecting the shell internal surface, the fixed surface of toothed disc is connected with first bracing piece, the surface rotation of first bracing piece is connected with the second bracing piece, the internal surface of shell rotates and is connected with the guide bar, the bull stick has been inserted on the surface of toothed disc, the surface fixedly connected with first graduated disk of shell, the surface fixedly connected with spacing seat of first graduated disk, the surface fixedly connected with stopper of spacing seat, the one end rotation of bull stick is connected with the locating piece, the surface fixedly connected with first rocking arm of bull stick.
Optionally, the surface of first bracing piece rotates and is connected with first pivot, first bracing piece with pass through between the second bracing piece first pivot rotates to be connected, the surface of second bracing piece rotates and is connected with the second pivot, the guide bar with pass through between the second bracing piece the second pivot rotates to be connected, the surface of guide bar rotates and is connected with the third pivot, the guide bar with pass through between the shell the third pivot rotates to be connected, tongue pressing subassembly with the second pivot is connected.
Optionally, the surface of kicking block inserts and has had the piece of stinging, the tooth socket has been seted up on the surface of kicking block, the material of stinging the piece is silica gel, the surface fixedly connected with auto-lock shell fragment of locating piece, the bull stick with pass through between the spacing seat the locating piece is connected.
Optionally, the direction subassembly including fixed connection in the second calibrated scale of shell internal surface, the fixed surface of second calibrated scale is connected with conical spring, conical spring's fixed surface is connected with the locating plate, the internal surface rotation of locating plate is connected with the location ball, the surface of shell is inserted and is equipped with first lead screw, the surface fixedly connected with first flange seat of shell.
Optionally, the fixed surface of locating plate is connected with the fourth pivot, the locating plate with pass through between the locating ball the fourth pivot rotates to be connected, the fixed surface of locating ball is connected with the stand pipe, the fixed surface of first lead screw is connected with the second rocking arm, first lead screw with pass through threaded connection between the flange seat.
Optionally, the adjusting part includes fixed connection in the slide of shell internal surface, the internal surface sliding connection of slide has the expansion plate, the internal surface fixedly connected with second flange seat of shell, the internal surface of second flange seat inserts and is equipped with the second lead screw, the internal surface fixedly connected with shaft coupling of shell, the internal surface of shaft coupling inserts and has inserted the axle, insert the axle with the equal fixedly connected with carousel of surface of second lead screw, the fixed surface of expansion plate is connected with the pointer, the surface of slide is provided with the scale groove.
Optionally, the tongue depressor subassembly includes fixed connection be in the first inserted bar of second pivot surface, the inner surface of first inserted bar is inserted and is equipped with the slide bar, the surface sliding connection of slide bar has the tongue depressor, the spout has been seted up on the surface of tongue depressor, the surface of tongue depressor is provided with the circular plate, the tongue depressor is the arc structure, comfortable groove has been seted up on the surface of tongue depressor, the surface of tongue depressor is inserted and is equipped with the second inserted bar, the inner surface rotation of second inserted bar is connected with the connecting rod, the tongue depressor with pass through between the shell the second inserted bar rotates and connects.
Optionally, the lip expansion assembly comprises a lip expansion plate which is slidably connected with the outer surface of the shell, the surface of the lip expansion plate is symmetrically connected with an arc-shaped elastic sheet, a clamping block is fixedly connected with the surface of the arc-shaped elastic sheet, clamping grooves are formed in the surface of the shell, and the number of the lip expansion plates is two.
Compared with the prior art, the invention has at least the following beneficial effects:
in the above-mentioned scheme, severe patient mouth gag is provided with drive assembly, adjusting part, tongue pressing subassembly, direction subassembly and expands the lip subassembly, through setting up adjusting part, not only can change the interval between the kicking block, and the in-process operating personnel of interval regulation can utilize the accurate distance of adjusting the accuse of pointer moreover.
Through setting up drive assembly, not only can let the kicking block support the tooth of patient open patient's oral cavity, can let the kicking block remain level throughout in the motion process moreover, and then let the kicking block support the in-process of patient's tooth have sufficient stability, the setting of biting block cooperation alveolus can let patient's tooth be by the in-process of propping up, has better security and comfort level.
Through setting up the tongue pressing subassembly, can play spacing and the effect of protection to patient's tongue, and then prevent that patient's oral cavity from being opened and stomach tube from inserting the in-process in patient, patient's tongue huff and puff not only influences operating personnel's sight.
Through setting up the lip subassembly that expands, can utilize the expansibility that expands the lip board, open patient's lip, not only can reduce the shielding of lip to the sight after patient's lip is opened, can also be more efficient when operating personnel places the stomach tube moreover, expand the efficiency that expands the lip board dismouting can be improved greatly in the setting of quick joint formula structure between lip board and the shell.
Through setting up the direction subassembly, not only can improve operating personnel and lay the efficiency of stomach tube, can improve patient's throat's comfort level moreover.
Drawings
The accompanying drawings, which are incorporated herein and form a part of the specification, illustrate embodiments of the present invention and, together with the description, further serve to explain the principles of the invention and to enable a person skilled in the pertinent art to make and use the invention.
FIG. 1 is a schematic perspective view of an opening device for a severe patient;
FIG. 2 is a schematic perspective view of the mating cross-section of the housing and drive assembly;
FIG. 3 is a schematic view of a matched explosion perspective structure at a driving assembly;
FIG. 4 is a schematic view of a mated enlarged perspective structure of the first dial and the rotating lever;
FIG. 5 is a schematic view of a partially enlarged perspective structure of a positioning block;
FIG. 6 is a schematic view of a mating enlarged perspective view of the guide assembly;
FIG. 7 is a schematic view of a mating cross-sectional perspective view of the guide assembly;
FIG. 8 is a schematic view of a mating enlarged perspective structure at the adjustment assembly;
FIG. 9 is a schematic view of a mating exploded perspective view of the adjustment assembly;
FIG. 10 is a schematic view of a mating enlarged perspective view of the tongue depressor assembly;
FIG. 11 is a schematic view of a mating exploded perspective view of the tongue depressor assembly;
FIG. 12 is a schematic view of a mated enlarged perspective view of the lip assembly;
fig. 13 is a partially enlarged perspective view of the lip-expanding plate.
[ reference numerals ]
1. A housing; 2. a gear plate; 3. a first support bar; 4. a second support bar; 5. a guide rod; 6. a top block; 7. a first rotating shaft; 8. a second rotating shaft; 9. a third rotating shaft; 10. biting blocks; 11. tooth socket; 12. a rotating rod; 13. a first rotating arm; 14. a first dial; 15. a limit seat; 16. a limiting block; 17. a positioning block; 18. a self-locking spring plate; 19. a second dial; 20. a conical spring; 21. a positioning plate; 22. a fourth rotating shaft; 23. a positioning ball; 24. a first screw rod; 25. a second rotating arm; 26. a first flange seat; 27. a guide tube; 28. a slide plate; 29. a telescoping plate; 30. a second flange seat; 31. coupling shaft; 32. a turntable; 33. inserting a shaft; 34. a second screw rod; 35. a pointer; 36. tongue depressor; 37. a circular plate; 38. a comfort groove; 39. a first plunger; 40. a slide bar; 41. a chute; 42. a second plunger; 43. a connecting rod; 44. a lip-expanding plate; 45. an arc-shaped elastic sheet; 46. a clamping block; 47. a clamping groove.
While particular structures and devices are shown in the drawings to enable a clear implementation of embodiments of the invention, this is for illustrative purposes only and is not intended to limit the invention to the particular structures, devices and environments, which may be modified or adapted by those of ordinary skill in the art, as desired, and which remain within the scope of the appended claims.
Detailed Description
The present invention provides a severe patient mouth gag and a method of using the same, which are described in detail below with reference to the accompanying drawings and specific embodiments. While the invention has been described herein in terms of the preferred and preferred embodiments, the following embodiments are intended to be more illustrative, and may be implemented in many alternative ways as will occur to those of skill in the art; and the accompanying drawings are only for the purpose of describing the embodiments more specifically and are not intended to limit the invention specifically.
It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Further, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the relevant art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.
Generally, the terminology may be understood, at least in part, from the use of context. For example, the term "one or more" as used herein may be used to describe any feature, structure, or characteristic in a singular sense, or may be used to describe a combination of features, structures, or characteristics in a plural sense, depending at least in part on the context. In addition, the term "based on" may be understood as not necessarily intended to convey an exclusive set of factors, but may instead, depending at least in part on the context, allow for other factors that are not necessarily explicitly described.
It is to be understood that the meaning of "on … …", "on … …" and "over … …" in this disclosure should be interpreted in the broadest sense such that "on … …" means not only "directly on" something but also includes meaning "on" something with intervening features or layers therebetween, and "on … …" or "over … …" means not only "on" or "over" something, but also may include its meaning "on" or "over" something without intervening features or layers therebetween.
Furthermore, spatially relative terms such as "under …," "under …," "lower," "above …," "upper," and the like may be used herein for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. The device may be otherwise oriented and the spatially relative descriptors used herein may similarly be interpreted accordingly.
As shown in fig. 1 to 13, an embodiment of the present invention provides a severe patient mouth gag, including a housing 1 and a top block 6, wherein the inner surface of the housing 1 is rotatably connected with a driving component, the driving component is used for driving the top block 6 to displace, the driving component is respectively connected with the top block 6 and the housing 1, the inner surface of the housing 1 is provided with a guiding component for guiding a stomach tube, the guiding component is connected with the housing 1, the surface of the housing 1 is provided with an adjusting component for adjusting the distance between the relative positions of the housings 1, the adjusting component is connected with the housing 1, the surface of the driving component is provided with a tongue pressing component for limiting the tongue of a patient, the tongue pressing component is connected with the driving component, the outer surface of the housing 1 is slidably connected with a lip expanding component, the lip expanding component is used for expanding the lips of the patient outwards, and the lip expanding component is connected with the housing 1.
As shown in fig. 1 to 5, the driving assembly comprises a gear disc 2 rotatably connected to the inner surface of the housing 1, a first supporting rod 3 is fixedly connected to the surface of the gear disc 2, a second supporting rod 4 is rotatably connected to the surface of the first supporting rod 3, a guide rod 5 is rotatably connected to the inner surface of the housing 1, a rotating rod 12 is inserted into the surface of the gear disc 2, a first scale 14 is fixedly connected to the outer surface of the housing 1, a limiting seat 15 is fixedly connected to the outer surface of the first scale 14, a limiting block 16 is fixedly connected to the surface of the limiting seat 15, a positioning block 17 is rotatably connected to one end of the rotating rod 12, and a first rotating arm 13 is fixedly connected to the outer surface of the rotating rod 12.
As shown in fig. 1 to 3, the surface rotation of the first support rod 3 is connected with a first rotating shaft 7, the first support rod 3 and the second support rod 4 are connected through the first rotating shaft 7, the surface rotation of the second support rod 4 is connected with a second rotating shaft 8, the guide rod 5 and the second support rod 4 are connected through the second rotating shaft 8, the surface rotation of the guide rod 5 is connected with a third rotating shaft 9, the guide rod 5 and the shell 1 are connected through the third rotating shaft 9, the tongue pressing assembly is connected with the second rotating shaft 8, the rotating process of the rotating rod 12 can drive the gear disc 2 to rotate, two groups of gear discs 2 are arranged on the inner surface of the shell 1 together, when one group of gear discs 2 rotate under the driving of the rotating rod 12, the other group of gear discs 2 rotate together under the cooperation of tooth grooves, the first support rod 3 can drive the second support rod 4 to move by taking the first rotating shaft 7 as a supporting point, the guide rod 5 can play a role in guiding and limiting the second support rod 4 in the moving process, the setting can always keep the supporting block 6 to be horizontal in the process of the supporting block 6, and the patient can still have sufficient stability in the process of tooth stability.
As shown in fig. 2 to 5, the bite block 10 is inserted on the surface of the top block 6, the tooth socket 11 is formed on the surface of the top block 6, the material of the bite block 10 is silica gel, the self-locking elastic sheet 18 is fixedly connected to the outer surface of the positioning block 17, the rotating rod 12 and the limiting seat 15 are connected through the positioning block 17, the bite block 10 is matched with the tooth socket 11 to enable the teeth of a patient to be in the supported process, the bite block 10 and the top block 6 can form a matched force, as the shape and the position of the teeth of each patient are different, the teeth of the bite block 10 deform under the action of pressure in the supported process of the top block 6, and a groove with the teeth of the tooth form a unique shape under the matched force, so that the groove can not only play a limiting effect on the teeth of the patient to prevent the teeth from slipping from the surface of the top block 6, but also can improve the comfort degree of the teeth of the patient on the top block 6, and for patients with unstable emotion, when the teeth of the patient are supported, if the teeth of the patient are in disorder, the biting phenomenon occurs, the biting block 10 of the teeth of the patient can buffer the surface of the teeth of the patient, and further, the operation staff can be prevented from damaging the teeth of the positioning block 16 by the positioning block 16, and the self-locking elastic sheet 16 can be tightly matched with the self-locking elastic sheet 18, and the self-locking elastic sheet 18 can be arranged between the surface of the positioning block 17.
As shown in fig. 6 and 7, the guiding assembly comprises a second dial 19 fixedly connected to the inner surface of the housing 1, a conical spring 20 is fixedly connected to the surface of the second dial 19, a positioning plate 21 is fixedly connected to the surface of the conical spring 20, a positioning ball 23 is rotatably connected to the inner surface of the positioning plate 21, a first screw rod 24 is inserted into the surface of the housing 1, a first flange seat 26 is fixedly connected to the outer surface of the housing 1, the positioning ball 23 can be referred to by scales in the rotating process by the aid of the second dial 19, the accuracy of the stomach tube angle adjustment process by an operator is higher, the second dial 19 is connected with the positioning plate 21 by the conical spring 20, and the positioning ball is prevented from deviating from the position between the positioning plate 21 and the second dial 19 in the process of adjusting the interval by the matching adjusting assembly.
As shown in fig. 6 and 7, the surface of the positioning plate 21 is fixedly connected with a fourth rotating shaft 22, the positioning plate 21 and the positioning ball 23 are rotationally connected through the fourth rotating shaft 22, the surface of the positioning ball 23 is fixedly connected with a guide tube 27, the surface of the first screw rod 24 is fixedly connected with a second rotating arm 25, the first screw rod 24 and the flange seat are in threaded connection, when an operator needs to place a gastric tube, one end of the gastric tube is firstly inserted into the positioning ball 23, then the positioning ball 23 is rotated to adjust the angle of the gastric tube, after the angle of the gastric tube is determined, the operator can rotate the first screw rod 24 by rotating the second rotating arm 25 on the surface of the first screw rod 24, and because the parameters of the threaded fit relationship between the surfaces of the first screw rod 24 and the first flange seat 26 are consistent, therefore, the first screw rod 24 stretches out and draws back at the internal surface of the first flange seat 26 in the pivoted in-process, can increase the pressure to the locating plate 21 after first screw rod 24 stretches into in the locating plate 21, the frictional force between locating plate 21 and the locating ball 23 is also increasing in the in-process that pressure increases, after the pressure continuously increases, the locating ball 23 can not continue to rotate under the centre gripping effect of locating plate 21, the angle of stomach tube is also fixed this moment, when such setting lets operating personnel continuously stretch into the patient in the stomach tube, the stomach tube also can not take place the deflection midway, so not only can improve the efficiency that the stomach tube was laid, moreover can improve the comfort level of patient's throat, the operating personnel can be earlier to expand lip plate 44 and take out from patient's lip, then rethread stomach tube carries liquid food or nutrient substance to the patient in vivo.
As shown in fig. 8 and 9, the adjusting component includes the slide 28 of fixed connection in shell 1 internal surface, slide 28's internal surface sliding connection has expansion plate 29, therefore when the operating personnel rotates carousel 32, second lead screw 34 can promote second flange seat 30 under the spacing effect of shaft coupling 31, the interval between the shell 1 will change, second lead screw 34 also can slide at slide 28's internal surface at the in-process expansion plate 29 of second flange seat 30 internal surface fixedly connected with shaft coupling 31, the surface of shaft coupling 33 and second lead screw 34 is equal fixedly connected with carousel 32, the surface free rotation at shaft coupling 31 not only, shaft coupling 31 can carry out spacing, because second lead screw 34 and second flange seat 30 surface screw thread cooperation relation parameter unanimous, consequently, the interval between the shell 1 can be changed to the second flange seat 30 under the spacing effect of shaft coupling 31, the interval between the shell 1 can be changed to the expansion plate 29 also can take place the slip at slide 28's internal surface, the surface of shell 1 has set up four sets of plates 29 together and has guaranteed that the surface of shell 1 can be more accurate in order to change, the interval between the scale 35 is more fixed for the setting up of the high-accuracy in-process of the scale pointer 35 in the surface of the shell 1.
As shown in fig. 10 and 11, the tongue depressor assembly includes a first insert rod 39 fixedly connected to the surface of the second rotating shaft 8, a sliding rod 40 is inserted into the inner surface of the first insert rod 39, the first insert rod 39 is sleeved on the outer surface of the sliding rod 40, and the sliding rod 40 can freely rotate on the inner surface of the first insert rod 39, so that when the first insert rod 39 is arranged on the outer surface of the sliding rod 40 to match with the adjusting assembly to adjust the distance between the shell 1 and the sliding rod 40, the sliding rod 40 cannot deviate from the second rotating shaft 8, the outer surface of the sliding rod 40 is slidably connected with a tongue depressor 36, a sliding groove 41 is formed on the surface of the tongue depressor 36, a circular plate 37 is arranged on the surface of the tongue depressor 36, a comfort groove 38 is formed on the surface of the tongue depressor 36, when the second rotating shaft 8 moves along with the second supporting rod 4, the first insert rod 39 drives the sliding rod 40 to slide in the sliding groove 41, when the slide bar 40 slides to the tail end of the slide groove 41, the first inserting rod 39 drives the tongue depressor 36 to move, so that the tongue depressor 36 is not directly driven to be pressed down in the movement process of the driving component, but a certain buffer is provided, the tongue depressor 36 is prevented from continuously pressing down to damage the tongue of a patient, the tongue depressor 36 can play a role in limiting and protecting the tongue of the patient, further, the mouth of the patient is prevented from being opened and the patient's tongue throughput is prevented from affecting the sight of an operator in the process of inserting the stomach tube into the patient, besides, because the whole structure of the tongue depressor 36 is of an arc structure, the tongue depressor 36 and the tongue of the patient can be better fitted, the circular plates 37 at the end parts of the tongue depressor 36 can be used for better limiting the two sides of the tongue of the patient, the comfort grooves 38 are uniformly distributed on the surface of the tongue depressor 36, the comfort groove 38 is designed to not only reduce the overall weight of the tongue depressor 36, but also maintain ventilation and water circulation on the surface of the tongue of the patient, thereby preventing the tongue of the patient from being too dry, the tongue depressor 36 is provided with a second insert rod 42, the inner surface of the second insert rod 42 is rotatably connected with a connecting rod 43, and the tongue depressor 36 and the housing 1 are rotatably connected by the second insert rod 42, which is also arranged to cooperate with the adjusting assembly.
As shown in fig. 12 and 13, the lip-expanding assembly comprises a lip-expanding plate 44 slidably connected to the outer surface of the casing 1, the surface of the lip-expanding plate 44 is symmetrically connected with an arc-shaped elastic sheet 45, the surface of the arc-shaped elastic sheet 45 is fixedly connected with a clamping block 46, the surface of the casing 1 is provided with clamping grooves 47, the number of the lip-expanding plates 44 is two, because the lip-expanding plate 44 is of an arc-shaped structure, the lip-expanding plate 44 is provided with elastic characteristics, an operator needs to press the lip-expanding plate 44 when placing the lip-expanding plate 44, the clamping block 46 on the surface of the lip-expanding plate 44 is aligned with the clamping grooves 47 on the surface of the casing 1, then the clamping block 46 slides into the clamping grooves 47, at this moment, the operator continuously presses the lip-expanding plate 44 and slides to the lip of the patient, at this moment, the clamping block 46 automatically clamps the clamping grooves 47 under the elastic action of the arc-shaped elastic sheet 45, then the operator manually arranges the lip-expanding plate 44 on the lip of the patient, the lips of the patient can be opened by using the expansibility of the lip-expanding plate 44, the lips of the patient can be opened, after the patient is opened, the lip-expanding plate can be arranged on the lips of the patient, and the user can be more effectively arranged with the lip-expanding plate 44, and can be more quickly arranged than the structure.
The application also provides a use method of the mouth gag for severe patients, which comprises the following steps:
when the device is used, an operator firstly uses the adjusting component to adjust the position of the top block 6 and the position of teeth of a patient on the same horizontal line, then the top block 6 is placed on the teeth of the patient, after the position of the top block 6 is determined, the operator uses the driving component to enable the top block 6 to expand outwards, the oral cavity of the patient can be slowly opened in the expanding process of the top block 6, and when the top block 6 is expanded to a proper position, the driving component is locked by the positioning block 17;
step two, in the running process of the driving shaft assembly, the tongue depressor 36 can move under the drive of the second rotating shaft 8, and in the moving process of the tongue depressor 36, the tongue of a patient is pressed and limited;
step three, an operator takes out the lip-expanding plate 44, positions of clamping blocks 46 on the surface of the lip-expanding plate 44 are aligned with clamping grooves 47 on the shell 1, presses the lip-expanding plate 44, slides the clamping blocks 46 into the clamping grooves 47, continues to slide the lip-expanding plate 44, when the lip-expanding plate 44 slides to the lips of a patient, the lip-expanding plate 44 stops pressing the lip-expanding plate 44, at the moment, the clamping blocks 46 can be automatically locked on the clamping grooves 47 by the lip-expanding plate 44 under the action of an arc-shaped elastic sheet 45, then the operator manually places the lip-expanding plate 44 inside the lips of the patient, and after the placement of the lip-expanding plate 44 is completed, the lips of the patient are expanded by the lip-expanding plate 44;
step four, inserting the stomach tube into the positioning ball 23, guiding the angle of the stomach tube by utilizing a guiding assembly, and rotating a second rotating arm 25 on the outer surface of a first screw rod 24 after the direction of the stomach tube is determined, so that the first screw rod 24 increases the pressure on the positioning plate 21, the positioning ball 23 is fixed on the inner surface of the positioning plate 21 under the action of friction force after the pressure is increased, and an operator continuously places the stomach tube into a patient after the positioning ball 23 is fixed;
step five, after the gastric tube is placed, an operator manually takes out the lip-expanding plate 44 from the lips of the patient, presses and slides the lip-expanding plate 44 after taking out the lip-expanding plate 44, and slides the lip-expanding plate 44 out of the surface of the shell 1;
step six, after the stomach tube is used, an operator sequentially takes out the stomach tube from the patient body and the positioning ball 23, after the stomach tube is completely taken out, the operator firstly adjusts the position of the top block 6 to the horizontal position by using the driving assembly, then takes out the mouth gag from the oral cavity of the patient, and the mouth gag is used after being taken out.
According to the technical scheme provided by the invention, through the arrangement of the driving assembly, the adjusting assembly, the tongue pressing assembly, the guide assembly and the lip expanding assembly, an operator needs to adjust the position of the top block 6 through the adjusting assembly before placing the top block 6 in a patient's oral cavity, the inserting shaft 33 on the surface of the rotary table 32 is connected with the shell 1 through the coupling 31, the second screw rod 34 is connected with the shell 1 through the second flange seat 30, the inserting shaft 33 can freely rotate on the surface of the coupling 31, the coupling 31 can limit the surface of the coupling, and as the second screw rod 34 and the second flange seat 30 are in threaded fit with parameters, the second screw rod 34 pushes the second flange seat 30 to displace under the limit effect of the coupling 31 when the operator rotates the rotary table 32, and at the same time, the distance between the shell 1 changes, besides, the surface of the shell 1 is also designed with the sliding plate 28 and the telescopic plate 29, the surface of the second screw rod 34 slides on the inner surface of the sliding plate 28, the surface of the shell 1 is provided with four groups of telescopic plates 29 and 28, so that the distance between the sliding plate 29 and the top block 1 and the surface of the shell 1 can be changed, and the distance between the sliding plate and the top block 29 can be changed in the same time when the surface of the shell 1 is more accurately, and the distance between the top block and the top block 6 is changed, and the surface of the patient's mouth 1 is changed, and the distance between the sliding plate is changed in the process of the top block 1 and the surface of the sliding plate is more than the surface 35.
An operator needs to put the top block 6 on the surfaces of the upper molar and the lower molar of a patient, the top block 6 is expanded outwards by using a driving assembly after the position of the top block 6 is determined, the rotating rod 12 is arranged on the outer surface of the shell 1, the operator can rotate the rotating rod 12 by rotating a first rotating arm 13 on the surface of the rotating rod 12, the rotating rod 12 can drive the gear plate 2 to rotate in the rotating process, two groups of gear plates 2 are arranged on the inner surface of the shell 1 together, when one group of gear plates 2 rotates under the driving of the rotating rod 12, the other group of gear plates 2 rotate along with the cooperation of tooth grooves, the first supporting rod 3 can drive the second supporting rod 4 to move by taking the first rotating shaft 7 as a supporting point in the rotating process of the gear plate 2, the guide rod 5 can play a role of guiding and limiting the second supporting rod 4 in the moving process of the second supporting rod 4, the arrangement can keep the top block 6 horizontal all the time in the moving process, besides, the surface of the top block 6 is also provided with the biting block 10, the biting block 10 is made of silica gel, the biting block 10 is matched with the tooth groove 11 to enable teeth of a patient to be matched with the top block 6 in the supported process, as the shape and the position of teeth of each patient are different, the biting block 10 deforms under the action of pressure in the supported process of the top block 6 and forms a groove with a unique shape under the matched action of the teeth, the groove not only can limit the teeth of the patient and prevent the teeth from slipping from the surface of the top block 6, but also can improve the comfort degree of the teeth of the patient biting on the top block 6, for patients with unstable emotion, if the teeth of the patient are supported, the teeth of the patient are bitten in disorder at the moment, the bite block 10 made of the silica gel material can buffer the biting force on the surface of teeth, so that teeth of a patient are prevented from being damaged, after the oral cavity of the patient is opened, an operator can rotate the positioning block 17 to enable the positioning block 17 to be clamped into a notch formed by the limiting block 16 on the surface of the limiting seat 15, at the moment, under the combined limiting effect of the limiting block 16 and the positioning block 17, the rotating rod 12 cannot continue to rotate, and the driving assembly is also locked.
The tongue depressor 36 moves along the second rotating shaft 8 in the process of moving the driving component, the tongue depressor 36 and the second rotating shaft 8 are connected through the first inserting rod 39 and the sliding rod 40, the first inserting rod 39 is sleeved on the outer surface of the sliding rod 40, the sliding rod 40 can freely rotate on the inner surface of the first inserting rod 39, the first inserting rod 39 is arranged on the outer surface of the sliding rod 40, in order to match with the position deviation between the sliding rod 40 and the second rotating shaft 8 when the adjusting component adjusts the distance between the shell 1, one end of the sliding rod 40 away from the first inserting rod 39 is connected with the sliding groove 41 on the surface of the tongue depressor 36, when the second rotating shaft 8 moves along the second supporting rod 4, the first inserting rod 39 firstly drives the sliding rod 40 to slide in the sliding groove 41, and after the sliding rod 40 slides to the tail end of the sliding groove 41, the first inserting rod 39 drives the tongue depressor 36 to move, the arranged in such a way that the driving component does not directly drive the tongue depressor 36 in the process of moving, but has a certain buffering function so as to prevent the tongue depressor 36 from continuously pressing down to damage the tongue of a patient, the tongue depressor 36 can play a role in limiting and protecting the tongue of the patient so as to prevent the whole weight of the tongue depressor 36 from being lightened and the throughput of the tongue of the patient from affecting the sight of an operator in the process of inserting a stomach tube into the patient, besides, as the whole structure of the tongue depressor 36 is an arc structure, the arrangement of the arc structure can enable the tongue depressor 36 to have better fitting degree with the tongue of the patient, the arrangement of the circular plate 37 at the end part of the tongue depressor 36 can enable the tongue depressor 36 to better limit the two sides of the tongue of the patient, the comfort grooves 38 are uniformly distributed on the surface of the tongue depressor 36, the design of the comfort grooves 38 can not only lighten the whole weight of the tongue depressor 36, but also enable the surface of the tongue of the patient to keep ventilation property of the mouth water, thereby preventing the patient's tongue from being too dry.
When the oral cavity of a patient is opened, an operator can place the lip-expanding plate 44 on the shell 1, because the lip-expanding plate 44 is of an arc-shaped structure, the lip-expanding plate 44 is required to be pressed by the operator when the operator places the lip-expanding plate 44, the clamping blocks 46 on the surface of the lip-expanding plate 44 are aligned with the clamping grooves 47 on the surface of the shell 1, then the clamping blocks 46 slide into the clamping grooves 47, at the moment, the operator continuously presses the lip-expanding plate 44 and slides the lip-expanding plate to the lips of the patient, the lip-expanding plate 44 stops pressing the lip-expanding plate 44 when sliding to the lips of the patient, at the moment, the clamping blocks 46 can be automatically clamped into the clamping grooves 47 under the elastic action of the arc-shaped elastic sheet 45, then the operator manually arranges the lip-expanding plate 44 on the lips of the patient, the lips of the patient can be opened by utilizing the expansibility of the lip-expanding plate 44, after the lips of the patient are opened, the shielding of the lips to the vision of the stomach tube of the patient can be reduced, and in addition, the arrangement of the quick clamping structure between the lip-expanding plate 44 and the shell 1 can greatly improve the disassembling and assembling efficiency of the lip-expanding plate 44.
After the end of the gastric tube is placed on the expanding lip plate 44, an operator starts to place the gastric tube in a patient, firstly, one end of the gastric tube is inserted into the positioning ball 23, then the positioning ball 23 is rotated to adjust the angle of the gastric tube, after the angle of the gastric tube is determined, the operator can rotate the first screw 24 through rotating the second rotating arm 25 on the surface of the first screw 24, as the parameters of the threaded matching relationship between the surface of the first screw 24 and the surface of the first flange seat 26 are consistent, the first screw 24 stretches out and draws back on the inner surface of the first flange seat 26 in the rotating process of the first screw 24, the pressure of the positioning plate 21 is increased after the first screw 24 stretches into the positioning plate 21, the friction force between the positioning plate 21 and the positioning ball 23 is also increased in the process of increasing the pressure, after the pressure is continuously increased, the positioning ball 23 can not continuously rotate under the clamping action of the positioning plate 21, and the angle is also fixed at the moment, so that the operator can continuously stretch into the patient, the gastric tube can not deflect, the efficiency of placing can be improved, the comfort of the patient can be improved, the operating lip can be stretched out of the gastric tube from the throat of the patient, and nutrient substances can be taken out from the patient through the gastric tube through the expanding lip of the gastric tube 44 after the gastric tube is arranged.
The invention is intended to cover any alternatives, modifications, equivalents, and variations that fall within the spirit and scope of the invention. So that the manner in which the invention is fully understood, specific details are set forth in the preferred embodiments of the invention, and the invention will be fully understood by those skilled in the art without such details. In other instances, well-known methods, procedures, flows, components, circuits, and the like have not been described in detail so as not to unnecessarily obscure aspects of the present invention.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.
Claims (7)
1. The mouth gag for the severe patient comprises a shell and a top block, and is characterized in that the inner surface of the shell is rotationally connected with a driving component, the driving component is used for driving the top block to displace, and the driving component is respectively connected with the top block and the shell;
the stomach tube guiding device comprises a shell, a stomach tube and a guide assembly, wherein the inner surface of the shell is provided with the guide assembly which is used for guiding the stomach tube, and the guide assembly is connected with the shell;
the surface of the shell is provided with an adjusting component, the adjusting component is used for adjusting the distance between the relative positions of the shells, and the adjusting component is connected with the shells;
the surface of the driving component is provided with a tongue pressing component which is used for limiting the tongue of a patient and is connected with the driving component;
the outer surface of the shell is connected with a lip expanding assembly in a sliding manner, the lip expanding assembly is used for expanding lips of a patient, and the lip expanding assembly is connected with the shell;
the guide assembly comprises a second dial fixedly connected to the inner surface of the shell, a conical spring is fixedly connected to the surface of the second dial, a positioning plate is fixedly connected to the surface of the conical spring, a positioning ball is rotatably connected to the inner surface of the positioning plate, a first screw rod is inserted into the surface of the shell, and a first flange seat is fixedly connected to the outer surface of the shell;
the surface fixedly connected with fourth pivot of locating plate, the locating plate with pass through between the locating ball the fourth pivot rotates to be connected, the surface fixedly connected with stand pipe of locating ball, the surface fixedly connected with second rocking arm of first lead screw, first lead screw with pass through threaded connection between the first flanged base.
2. The severe patient mouth gag according to claim 1, wherein the driving assembly comprises a gear disc rotationally connected to the inner surface of the housing, a first supporting rod is fixedly connected to the surface of the gear disc, a second supporting rod is rotationally connected to the surface of the first supporting rod, a guide rod is rotationally connected to the inner surface of the housing, a rotating rod is inserted into the surface of the gear disc, a first scale is fixedly connected to the outer surface of the housing, a limiting seat is fixedly connected to the outer surface of the first scale, a limiting block is fixedly connected to the surface of the limiting seat, a positioning block is rotationally connected to one end of the rotating rod, and a first rotating arm is fixedly connected to the outer surface of the rotating rod.
3. The severe patient mouth gag according to claim 2, wherein a first rotating shaft is rotatably connected to a surface of the first support rod, the first support rod and the second support rod are rotatably connected through the first rotating shaft, a second rotating shaft is rotatably connected to a surface of the second support rod, the guide rod and the second support rod are rotatably connected through the second rotating shaft, a third rotating shaft is rotatably connected to a surface of the guide rod, the guide rod and the housing are rotatably connected through the third rotating shaft, and the tongue pressing assembly is connected to the second rotating shaft.
4. The severe patient mouth gag according to claim 2, wherein the surface of the top block is inserted with a biting block, the surface of the top block is provided with tooth grooves, the biting block is made of silica gel, the outer surface of the positioning block is fixedly connected with a self-locking elastic sheet, and the rotating rod is connected with the limiting seat through the positioning block.
5. The severe patient mouth gag according to claim 1, wherein the adjusting component comprises a sliding plate fixedly connected to the inner surface of the outer shell, the inner surface of the sliding plate is slidably connected with a telescopic plate, the inner surface of the outer shell is fixedly connected with a second flange seat, a second screw rod is inserted into the inner surface of the second flange seat, a shaft coupling is fixedly connected to the inner surface of the outer shell, a shaft inserting shaft is inserted into the inner surface of the shaft coupling, rotary discs are fixedly connected to the outer surfaces of the shaft inserting shaft and the second screw rod, a pointer is fixedly connected to the surface of the telescopic plate, and a scale groove is formed in the surface of the sliding plate.
6. The severe patient mouth gag according to claim 3, wherein the tongue depressor component comprises a first inserting rod fixedly connected to the surface of the second rotating shaft, a sliding rod is inserted into the inner surface of the first inserting rod, a tongue depressor is slidingly connected to the outer surface of the sliding rod, a sliding groove is formed in the surface of the tongue depressor, a circular plate is arranged on the surface of the tongue depressor, the tongue depressor is of an arc-shaped structure, a comfortable groove is formed in the surface of the tongue depressor, a second inserting rod is inserted into the surface of the tongue depressor, a connecting rod is rotatably connected to the inner surface of the second inserting rod, and the tongue depressor and the housing are rotatably connected through the second inserting rod.
7. The severe patient mouth gag according to claim 1, wherein the lip expansion assembly comprises lip expansion plates which are connected to the outer surface of the shell in a sliding way, the surfaces of the lip expansion plates are symmetrically connected with arc-shaped elastic sheets, clamping blocks are fixedly connected to the surfaces of the arc-shaped elastic sheets, clamping grooves are formed in the surfaces of the shell, and the number of the lip expansion plates is two.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311642553.2A CN117338449B (en) | 2023-12-04 | 2023-12-04 | Severe patient mouth gag |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311642553.2A CN117338449B (en) | 2023-12-04 | 2023-12-04 | Severe patient mouth gag |
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| CN117338449B true CN117338449B (en) | 2024-02-23 |
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Also Published As
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| CN117338449A (en) | 2024-01-05 |
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