CN110464294B - Medical adjustable lip opening device - Google Patents
Medical adjustable lip opening device Download PDFInfo
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- CN110464294B CN110464294B CN201910800225.8A CN201910800225A CN110464294B CN 110464294 B CN110464294 B CN 110464294B CN 201910800225 A CN201910800225 A CN 201910800225A CN 110464294 B CN110464294 B CN 110464294B
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- base plate
- ring body
- rod
- opening device
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- 239000004033 plastic Substances 0.000 claims abstract description 34
- 239000012530 fluid Substances 0.000 claims description 10
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 239000000758 substrate Substances 0.000 claims description 7
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 210000003128 head Anatomy 0.000 abstract description 25
- 210000000214 mouth Anatomy 0.000 abstract description 23
- 238000001125 extrusion Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 206010052428 Wound Diseases 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010024396 Leukoplakia oral Diseases 0.000 description 1
- 206010025219 Lymphangioma Diseases 0.000 description 1
- 208000034541 Rare lymphatic malformation Diseases 0.000 description 1
- 239000004098 Tetracycline Substances 0.000 description 1
- 208000013804 chronic ethmoidal sinusitis Diseases 0.000 description 1
- 201000010761 chronic ethmoiditis Diseases 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000002615 epidermis Anatomy 0.000 description 1
- 230000001815 facial effect Effects 0.000 description 1
- 238000002513 implantation Methods 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 208000019303 maxillary sinus carcinoma Diseases 0.000 description 1
- 208000028169 periodontal disease Diseases 0.000 description 1
- 230000019612 pigmentation Effects 0.000 description 1
- 238000011165 process development Methods 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 210000003491 skin Anatomy 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229960002180 tetracycline Drugs 0.000 description 1
- 229930101283 tetracycline Natural products 0.000 description 1
- 235000019364 tetracycline Nutrition 0.000 description 1
- 150000003522 tetracyclines Chemical class 0.000 description 1
- 210000001519 tissue Anatomy 0.000 description 1
- 230000017423 tissue regeneration Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/24—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor for the mouth, i.e. stomatoscopes, e.g. with tongue depressors; Instruments for opening or keeping open the mouth
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B17/00—Surgical instruments, devices or methods, e.g. tourniquets
- A61B17/02—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors
- A61B17/0293—Surgical instruments, devices or methods, e.g. tourniquets for holding wounds open; Tractors with ring member to support retractor elements
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
- A61C19/00—Dental auxiliary appliances
- A61C19/06—Implements for therapeutic treatment
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Engineering & Computer Science (AREA)
- Molecular Biology (AREA)
- Heart & Thoracic Surgery (AREA)
- Dentistry (AREA)
- Epidemiology (AREA)
- Physics & Mathematics (AREA)
- Biophysics (AREA)
- Optics & Photonics (AREA)
- Pathology (AREA)
- Radiology & Medical Imaging (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention discloses a medical adjustable lip opening device which comprises an annular base plate, wherein an outer ring body and an inner ring body are concentrically fixed on the base plate, the outer ring body is positioned at the outer ring of the base plate, the diameter of the inner ring body is equal to the average value of the diameters of the inner ring body and the outer ring body of the base plate, an outer groove is formed in the inner ring of the outer ring body, an inner groove is formed in the outer ring of the inner ring body, a plurality of movable blocks are connected with the outer groove and the inner groove in a sliding mode, and a plastic rod parallel to the axis of the base plate is fixedly connected to each movable block. Has the advantages that: in the invention, the soft bag props up the lips of the patient, and the pressure of the soft bag on each position of the oral cavity of the patient is equal, so that the discomfort is reduced, when the propping size is proper, the internal lead is electrified to ensure that the shapes of the plastic rod and the slide block can not be changed continuously, and the structure of the rubber head and the like is arranged in the invention, so that the extrusion force of the soft bag on each point is ensured to be equal.
Description
Technical Field
The invention relates to the technical field of medical equipment, in particular to a medical adjustable lip opening device.
Background
The main diseases of the department of stomatology, one of the medical discipline categories, include stomatology and facial skin sample, infection of epidermis submaxillary space, jaw face lymphangioma, dentate process development deformity, malignant tumor of maxillary sinus, jaw glost cytoma, chronic ethmoid sinusitis, mandibular retraction, tetracycline pigmentation, leukoplakia lingualis and the like. In the prior art, a plurality of periodontal diseases can be completely cured, and the development of tissue biological engineering technology, such as guided tissue regeneration technology, gene technology, artificial tooth implantation and the like, brings exciting hopes for the regeneration of diseased teeth.
At present, the adjustability of the oral lip opening device used in the department of stomatology is poor, the oral lip opening device cannot be used by different patients, particularly, positions to be treated in mouths of different patients are different, and meanwhile, the positions of wounds in mouths of patients are also different.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides a medical adjustable lip opening device.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a medical adjustable lip opening device, includes annular base plate, be fixed with an outer ring body and an inner ring body on the base plate with one heart, outer ring body is located the outer lane department of base plate, the diameter of inner ring body equals the average value of base plate inner and outer lane diameter, an outer slot has been seted up to the inner circle of outer ring body, an inside groove has been seted up to the outer lane of inner ring body, a plurality of movable blocks of outer slot and inside groove common sliding connection, every all fixedly connected with a plasticity pole parallel with the base plate axis on the movable block, a slider has all slidingly cup jointed on every plasticity pole, the inner ring lateral wall department of inner ring body is provided with two trigger assembly that can trigger the plasticity pole shape and fix, be provided with the control assembly who is connected with trigger assembly on the base plate.
In the medical adjustable lip opening device, each plastic rod comprises an inner tube and a rod sleeve, the rod sleeve is concentrically sleeved outside the inner tube, the inner wall of the rod sleeve is not in contact with the outer wall of the inner tube, the inner wall of the rod sleeve is glued with an inner lead, the outer wall of the inner tube is glued with an outer lead, and the inner tube is filled with magnetorheological fluid.
In the medical adjustable lip opening device, the sliding block comprises a shell, an inner cavity which is not communicated with the outside is formed in the shell, magnetorheological fluid is filled in the inner cavity, a round hole is formed in the shell and is in clearance fit with the plastic rod, two ends of the round hole are respectively fixed with an undeformable round hoop, and the inner diameter of the round hoop is equal to the thickness of the outside of the inner tube and the double wall of the rod sleeve.
In foretell medical adjustable lip of mouth struts device, control assembly includes two flexible pipes, an annular chamber has been seted up in the base plate, annular outer slide rail and an annular interior slide rail have been seted up with one heart to the annular chamber, sliding connection has an insulating semicircle pole on the interior slide rail, the both ends of semicircle pole are fixed with a first contact and a second contact respectively, two flexible pipe all communicates with trigger subassembly, every flexible pipe keeps away from the equal fixedly connected with of one end of trigger subassembly and connects the electricity piece, connect the electricity piece and equal the radius difference of outer slide rail and interior slide rail along the biggest length of base plate diametric (al), every flexible pipe all is provided with adjustment mechanism, first contact connects electricity piece fixed connection with corresponding.
In the medical adjustable lip opening device, each trigger assembly comprises a hollow rubber head, each rubber head is communicated with a communicating pipe, the communicating pipes are embedded in the inner ring body, each communicating pipe is communicated with a telescopic pipe, and the connecting line of the two rubber heads is intersected with the axis of the base plate.
In foretell medical adjustable lip of a mouth struts device, every adjustment mechanism all includes an adjusting box fixed with the base plate, sealed sliding connection has a piston plate in the adjusting box, one side that the base plate was kept away from to the piston plate uses the bearing to rotate and is connected with a screw rod, the screw rod runs through the outer wall of adjusting box and rather than screw-thread fit, the fixed intercommunication of lateral wall that the screw rod was kept away from to the adjusting box has an governing pipe, the governing pipe communicates with the flexible pipe that corresponds the position.
In the medical adjustable lip opening device, one end of the screw rod, which is positioned outside the adjusting box, is fixed with a handle, the handle comprises a steel ball fixed with the screw rod, and the outer wall of the steel ball is symmetrically welded with a plurality of round rods.
In the medical adjustable lip opening device, the rod sleeve and the inner tube are made of rubber, the rod sleeve and the inner tube are hermetically glued with the movable block, a plurality of hemispherical convex blocks are arranged in an area annular array of the base plate between the outer ring body and the inner ring body, and a hemispherical groove is formed in one side, abutted against the base plate, of the movable block.
Compared with the prior art, the invention has the advantages that:
1. when the device is used, the plastic rod and the sliding block extend into the oral cavity of a patient, the movable block and the sliding block are shifted by the medical calipers, so that the movable block slides in the outer groove and the inner groove, the sliding block slides on the plastic rod until the plastic rod and the sliding block can be ensured to be in non-wound contact with the oral cavity of the patient, an expandable soft bag is placed into the oral cavity of the patient through the base plate after the adjustment is completed, the soft bag is expanded until the patient feels that the mouth is expanded to a proper degree, the first contact and the second contact are electrified, the shape fixation of the plastic rod and the sliding block can be ensured, the condition that the oral cavity of the patient cannot be closed to influence medical operation is limited, the sliding block and the movable block can move within a certain range, the shielding effect on the oral cavity of the patient can be greatly avoided, and the application range of the device is enlarged.
2. The soft bag expands to enable the rubber head to be compressed under stress and directly extrude the air in the rubber head to the communicating pipe to enable the communicating pipe to expand and extend, the power connecting block fixed with the rubber head is driven to slide along the outer sliding rail, and the semicircular rod is fixed with one power connecting block, so when the amount of exercise of the two power connecting blocks is equal, namely the extending amount of the two telescopic pipes is equal, namely the deformation degree of the two rubber heads is consistent, namely the pressure borne by the two rubber heads is consistent, namely the air pressure in the soft bag is kept stable;
when first contact, second contact and two electricity connection pieces contact simultaneously, thereby the both ends of interior wire let in the electric current and produce the magnetic field including the production around the wire, and two circle hoops effect makes the outer wire and the interior wire contact of corresponding position, thereby make the outer wire circular telegram between two circle hoops produce the magnetic field, make the magnetorheological suspensions of department and the intraductal magnetorheological suspensions of interior department become anti shear stress extremely high class solid state simultaneously in the inner chamber, thereby can't produce deformation, sustainable the patient oral cavity of keeping struts all the time and keeps certain size.
3. In the operation process, when the inner lead in the plastic rod is electrified to be fixed, the deformation degree of the rubber head is a fixed value, so that the plastic head is provided with the adjusting mechanism, the piston plate in the adjusting box divides the plastic head into two spaces, one side of the adjusting mechanism is communicated with the telescopic pipe through the adjusting pipe, and the rotating screw rod can drive the piston plate to slide in the adjusting box, so that the initial air pressure in the telescopic pipe is changed, and the deformation degree of the inner lead in the electrified state triggered by the deformation of the rubber head is adjusted.
In summary, the following steps: the invention provides a device capable of keeping the opening degree of the lips of a patient, wherein the lips of the patient are propped open by a soft bag, and the pressure of the soft bag on each position of the oral cavity of the patient is equal, so that the discomfort is reduced; similarly, after the adjustment is finished, the soft bag is released and taken out, the two rubber heads are slowly and synchronously recovered, the inner lead can be always in a power-on state, and after the treatment is finished, the device can be taken out from the oral cavity of a patient by disconnecting the power supply.
Drawings
Fig. 1 is a schematic structural view of a medical adjustable lip opening device provided by the invention;
FIG. 2 is a side sectional view of a base plate portion of a medical adjustable lip distractor according to the present invention;
FIG. 3 is a sectional view taken along line A in FIG. 2;
FIG. 4 is an enlarged schematic view of the adjustment mechanism of the present invention;
FIG. 5 is an isometric view of the plastic rod and slide of the present invention;
fig. 6 is a cross-sectional view of a plastic rod and slider according to the present invention.
In the figure: the device comprises a base plate 1, an outer ring body 2, an inner ring body 3, a convex block 4, an outer groove 5, an inner groove 6, a movable block 7, a plastic rod 8, a rod sleeve 81, an inner tube 82, an air cavity 83, an inner lead 84, an outer lead 85, a slide block 9, a shell 91, an inner cavity 92, a circular hoop 93, a rubber head 10, an annular cavity 11, a communicating tube 12, a telescopic tube 13, an outer slide rail 14, an inner slide rail 15, a semicircular rod 16, a first contact 161, a second contact 162, an electric connection block 17, an adjusting box 18, a piston plate 19, an adjusting tube 20, a screw rod 21 and a handle 22.
Detailed Description
The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.
Examples
Referring to fig. 1-6, a medical adjustable lip opening device comprises an annular substrate 1, an outer ring 2 and an inner ring 3 are concentrically fixed on the substrate 1, the outer ring 2 and the inner ring 3 are all made of hard materials, the outer ring 2 is located at the outer ring of the substrate 1, the diameter of the inner ring 3 is equal to the average value of the diameters of the inner ring and the outer ring of the substrate 1, the inner ring of the outer ring 2 is provided with an outer groove 5, the outer ring of the inner ring 3 is provided with an inner groove 6, the outer groove 5 and the inner groove 6 are jointly connected with a plurality of movable blocks 7 in a sliding manner, one side of each movable block 7, which is abutted against the outer ring 2 and the inner ring 3, is fixed with a convex block, the two convex blocks are respectively matched with the inner groove 6 and the outer groove 5, each movable block 7 is fixedly connected with a plastic rod 8 parallel to the axis of the substrate 1, each plastic rod 8 is sleeved with a sliding block 9 in a sliding manner, two triggering assemblies which can trigger the plastic rods 8 to be fixed in shape are arranged on the side wall of the inner ring body 3, and a control assembly connected with the triggering assemblies is arranged on the substrate 1.
Each plastic rod 8 comprises an inner tube 82 and a rod sleeve 81, the rod sleeve 81 is sleeved outside the inner tube 82 in a concentric mode, the inner wall of the rod sleeve 81 is not in contact with the outer wall of the inner tube 82, an inner lead 84 is glued to the inner wall of the rod sleeve 81, an outer lead 85 is glued to the outer wall of the inner tube 82, and when the plastic rod 8 is extruded obviously, the inner lead 84 and the outer lead 85 are in contact and electrified. Magnetorheological fluid is filled in the inner tube 82;
the sliding block 9 comprises a shell 91, an inner cavity 92 which is not communicated with the outside is formed in the shell 91, magnetorheological fluid is filled in the inner cavity 92, a round hole is formed in the shell 91 and is in clearance fit with the plastic rod 8, two ends of the round hole are respectively fixed with a non-deformable round hoop 93, the inner diameter of the round hoop 93 is equal to the outside of the inner pipe 82 and the wall thickness twice of the rod sleeve 81, and the inner lead 84 is ensured to be contacted with the outer lead 85 in the plastic rod 8 at the contact position of the round hoop 93;
the control assembly comprises two telescopic pipes 13, fluid is introduced into the telescopic pipes 13 and can expand and extend, an annular cavity 11 is formed in the base plate 1, an annular outer slide rail 14 and an annular inner slide rail 15 are concentrically formed in the annular cavity 11, an insulating semi-circular rod 16 is connected onto the inner slide rail 15 in a sliding mode, a first contact 161 and a second contact 162 are fixed to two ends of the semi-circular rod 16 respectively, the two telescopic pipes 13 are communicated with the trigger assembly, an electricity connection block 17 is fixedly connected to one end, far away from the trigger assembly, of each telescopic pipe 13, the maximum length of the electricity connection block 17 in the diameter direction of the base plate 1 is equal to the radius difference of the outer slide rail 14 and the inner slide rail 15, each telescopic pipe 13 is provided with an adjusting mechanism, and the first contact 161 is fixedly connected with the corresponding electricity connection block 17;
each trigger component comprises a hollow rubber head 10, each rubber head 10 is communicated with a communicating pipe 12, the communicating pipes 12 are buried in the inner ring body 3, each communicating pipe 12 is communicated with a telescopic pipe 13, and the connecting line of the two rubber heads 10 is intersected with the axis of the base plate 1.
Each adjusting mechanism comprises an adjusting box 18 fixed with the base plate 1, a piston plate 19 is connected in the adjusting box 18 in a sealing sliding mode, one side, far away from the base plate 1, of the piston plate 19 is rotatably connected with a screw rod 21 through a bearing, the screw rod 21 penetrates through the outer wall of the adjusting box 18 and is in threaded fit with the outer wall, the side wall, far away from the screw rod 21, of the adjusting box 18 is fixedly communicated with an adjusting pipe 20, and the adjusting pipe 20 is communicated with the telescopic pipe 13 in the corresponding position.
One end of the screw 21, which is located outside the adjusting box 18, is fixed with a handle 22, the handle 22 comprises a steel ball fixed with the screw 21, the outer wall of the steel ball is symmetrically welded with a plurality of round rods, when the screw 21 needs to be rotated, a palm contacts with the steel ball, fingers are inserted into the gaps of the round rods, and the screw 21 can be easily twisted.
In the invention, when the device is used, the plastic rod 8 and the slide block 9 are stretched into the oral cavity of a patient, the movable block 7 and the slide block 9 are stirred by medical calipers, so that the movable block 7 slides in the outer groove 5 and the inner groove 6, the slide block 9 slides on the plastic rod 8 until the plastic rod 8 and the slide block 9 can be ensured to be in non-wound contact with the oral cavity of the patient, an expandable soft bag (not shown in the figure) is put into the oral cavity of the patient through the base plate 1 after adjustment is finished, meanwhile, the soft bag is ensured to be in contact with the rubber head 10, and air is slowly ventilated into the soft bag until the soft bag is in light contact with the oral cavity of the patient, and at the moment, the patient is enabled to lightly move the oral cavity to relieve the discomfort;
after the operation is finished, gas is continuously and slowly introduced into the soft bag, so that the internal air pressure of the soft bag is increased, the soft bag pushes the sliding block 9 and the plastic rod 8 to be abutted against the inner wall of the oral cavity of the patient in the expansion process, and the pressure of the gas applied to the inner wall of the soft bag is approximately equal according to the property of fluid, namely the acting force of the soft bag to each point of the oral cavity of the patient is approximately equal, so that the force applied to the rubber head 10 by the soft bag is approximately equal to the force applied to the inner wall of the oral cavity of the patient in the operation process;
the rubber head 10 is compressed by force to directly extrude the air inside the rubber head into the communicating pipe 12, the communicating pipe 12 can expand and extend after the air is introduced into the communicating pipe 12, so that the communicating pipe 12 slides in the outer slide rail 14, and the power connection block 17 fixed with the communicating pipe is driven to slide along the outer slide rail 14.
When the first contact 161 and the second contact 162 are in contact with the two electric connection blocks 17 at the same time, current is introduced into two ends of the inner lead 84 to generate a magnetic field around the inner lead 84, and the two circular hoops 93 act to enable the outer lead 85 at the corresponding position to be in contact with the inner lead 84, so that the outer lead 85 between the two circular hoops 93 is powered on to generate a magnetic field, magnetorheological fluid in the inner cavity 92 and magnetorheological fluid in the inner tube 82 are simultaneously changed into a solid-like state with extremely high shear stress resistance, deformation cannot be generated, and the oral cavity of a patient can be continuously kept to be always opened to keep a certain size.
In the above operation process, when the inner lead 84 in the plastic rod 8 is electrified to be fixed, the deformation degree of the rubber head 10 is a fixed value, so that the adjusting mechanism is provided in the invention, the piston plate 19 in the adjusting box 18 divides the plastic rod into two spaces, one side of the adjusting box is communicated with the telescopic pipe 13 through the adjusting pipe 29, the piston plate 19 can be driven to slide in the adjusting box 18 by rotating the screw rod 21, so as to change the initial air pressure in the telescopic pipe 13, and thus, the deformation degree of the rubber head 10 in the electrified state is adjusted, and the inner lead 84 is triggered to be in the electrified state.
Although the terms of the base plate 1, the outer ring body 2, the inner ring body 3, the protrusion 4, the outer groove 5, the inner groove 6, the movable block 7, the plastic rod 8, the rod sleeve 81, the inner tube 82, the air cavity 83, the inner wire 84, the outer wire 85, the slider 9, the housing 91, the inner cavity 92, the circular hoop 93, the rubber head 10, the circular cavity 11, the communicating tube 12, the telescopic tube 13, the outer slide rail 14, the inner slide rail 15, the semicircular rod 16, the first contact 161, the second contact 162, the power receiving block 17, the adjusting box 18, the piston plate 19, the adjusting tube 20, the screw 21, the handle 22, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.
Claims (8)
1. A medical adjustable lip opening device comprises an annular base plate (1) and is characterized in that an outer ring body (2) and an inner ring body (3) are concentrically fixed on the base plate (1), the outer ring body (2) is located at the outer ring of the base plate (1), the diameter of the inner ring body (3) is equal to the average value of the diameters of the inner ring and the outer ring of the base plate (1), an outer groove (5) is formed in the inner ring of the outer ring body (2), an inner groove (6) is formed in the outer ring of the inner ring body (3), the outer groove (5) and the inner groove (6) are jointly connected with a plurality of movable blocks (7) in a sliding mode, a plastic rod (8) parallel to the axis of the base plate (1) is fixedly connected onto each movable block (7), a sliding block (9) is sleeved on each plastic rod (8) in a sliding mode, two trigger assemblies capable of triggering the plastic rods (8) to fix the shape are arranged at the side wall of the inner ring body (3), the substrate (1) is provided with a control assembly connected with the trigger assembly; the device also comprises an expandable soft bag, wherein the soft bag is put into the mouth of a patient through the base plate, and the shape of the plastic rod and the sliding block is fixed after the soft bag is expanded until the patient feels that the mouth is expanded to a proper degree.
2. The medical adjustable orolip opening device according to claim 1, wherein each plastic rod (8) comprises an inner tube (82) and a rod sleeve (81), the rod sleeve (81) is concentrically sleeved outside the inner tube (82), the inner wall of the rod sleeve (81) is not in contact with the outer wall of the inner tube (82), the inner wall of the rod sleeve (81) is glued with an inner lead (84), the outer wall of the inner tube (82) is glued with an outer lead (85), and the inner tube (82) is filled with magnetorheological fluid.
3. The medical adjustable orolip opening device according to claim 2, characterized in that the sliding block (9) comprises a shell (91), an inner cavity (92) which is not communicated with the outside is formed in the shell (91), magnetorheological fluid is filled in the inner cavity (92), a round hole is formed in the shell (91) and is in clearance fit with the plastic rod (8), two ends of the round hole are respectively fixed with a non-deformable round hoop (93), and the inner diameter of the round hoop (93) is equal to the wall thickness of the outside of the inner tube (82) and twice the wall thickness of the rod sleeve (81).
4. The medical adjustable lip opening device according to claim 1, wherein the control assembly comprises two telescopic tubes (13), an annular cavity (11) is formed in the base plate (1), an annular outer slide rail (14) and an annular inner slide rail (15) are concentrically formed in the annular cavity (11), an insulating semicircular rod (16) is slidably connected onto the inner slide rail (15), a first contact (161) and a second contact (162) are respectively fixed at two ends of the semicircular rod (16), the two telescopic tubes (13) are both communicated with the trigger assembly, an electric connection block (17) is fixedly connected at one end of each telescopic tube (13) far away from the trigger assembly, and the maximum length of the electric connection block (17) along the diameter direction of the base plate (1) is equal to the radius difference between the outer slide rail (14) and the inner slide rail (15), each telescopic pipe (13) is provided with an adjusting mechanism, and the first contact (161) is fixedly connected with the corresponding power connection block (17).
5. The medical adjustable lip opening device according to claim 1, wherein each trigger assembly comprises a hollow rubber head (10), each rubber head (10) is communicated with a communicating pipe (12), the communicating pipes (12) are embedded in the inner ring body (3), each communicating pipe (12) is communicated with a telescopic pipe (13), and a connecting line of the two rubber heads (10) is intersected with the axis of the base plate (1).
6. The medical adjustable lip opening device according to claim 1, wherein each adjusting mechanism comprises an adjusting box (18) fixed with the base plate (1), a piston plate (19) is connected in the adjusting box (18) in a sliding and sealing manner, a screw rod (21) is rotatably connected to one side of the piston plate (19) far away from the base plate (1) by using a bearing, the screw rod (21) penetrates through the outer wall of the adjusting box (18) and is in threaded fit with the outer wall, an adjusting pipe (20) is fixedly communicated with the side wall of the adjusting box (18) far away from the screw rod (21), and the adjusting pipe (20) is communicated with the telescopic pipe (13) in the corresponding position.
7. The medical adjustable lip opening device according to claim 6, wherein a handle (22) is fixed at one end of the screw rod (21) outside the adjusting box (18), the handle (22) comprises a steel ball fixed with the screw rod (21), and a plurality of round rods are symmetrically welded on the outer wall of the steel ball.
8. The medical adjustable lip opening device according to claim 3, wherein the rod sleeve (81) and the inner tube (82) are made of rubber, the rod sleeve (81) and the inner tube (82) are hermetically glued with the movable block (7), a plurality of hemispherical convex blocks (4) are arranged in an annular array in the area of the base plate (1) between the outer ring body (2) and the inner ring body (3), and a hemispherical groove is formed in one side of each movable block (7) abutting against the base plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800225.8A CN110464294B (en) | 2019-08-28 | 2019-08-28 | Medical adjustable lip opening device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910800225.8A CN110464294B (en) | 2019-08-28 | 2019-08-28 | Medical adjustable lip opening device |
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| CN110464294A CN110464294A (en) | 2019-11-19 |
| CN110464294B true CN110464294B (en) | 2021-12-10 |
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| CN201910800225.8A Expired - Fee Related CN110464294B (en) | 2019-08-28 | 2019-08-28 | Medical adjustable lip opening device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110934622B (en) * | 2019-12-15 | 2021-04-30 | 吉林大学第一医院 | Intracardiac branch of academic or vocational study is clinical with hemostasis rescue device with buffering protect function |
| CN111248843B (en) * | 2020-01-17 | 2020-12-18 | 吉林大学 | Oral cavity supporting and nursing device capable of adjusting fixed opening and closing angle |
| CN111067689A (en) * | 2020-01-21 | 2020-04-28 | 羽源洋(宁波)科技有限公司 | Instrument and method for fixing bone fracture part by utilizing magnetic fluid in orthopedics department |
| CN111657833A (en) * | 2020-06-30 | 2020-09-15 | 白荣 | Expansion device for oral clinical examination |
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|---|---|---|---|---|
| US4778466A (en) * | 1986-05-27 | 1988-10-18 | Morton Brotman | Nasal prosthesis |
| CN1074600A (en) * | 1992-01-25 | 1993-07-28 | 张殿忠 | Multi-function anus dilator |
| US7811230B2 (en) * | 2007-03-02 | 2010-10-12 | United Orthopedic Corporation | Expansion mechanism for minimally invasive lumbar operation |
| CN104224493A (en) * | 2014-09-18 | 2014-12-24 | 成都市马未氏科技有限责任公司 | Mouth opening exercise device for individual radiotherapy with controllable opening range |
| CN109431441A (en) * | 2018-12-12 | 2019-03-08 | 南通市第二人民医院 | A kind of department of stomatology oral lip distraction device convenient for adjusting |
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| Publication number | Publication date |
|---|---|
| CN110464294A (en) | 2019-11-19 |
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