CN113854942A - Expansion support for oral implantation restoration - Google Patents
Expansion support for oral implantation restoration Download PDFInfo
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- CN113854942A CN113854942A CN202111348615.XA CN202111348615A CN113854942A CN 113854942 A CN113854942 A CN 113854942A CN 202111348615 A CN202111348615 A CN 202111348615A CN 113854942 A CN113854942 A CN 113854942A
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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
- 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
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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
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Abstract
The invention belongs to the technical field of medical instruments, and particularly relates to an expansion support for oral implantation restoration, which comprises a shell, wherein an expansion device is arranged in the shell, and a support device is connected to the expansion device; the supporting device comprises an opening structure, and the opening structure is detachably connected with a supporting structure; the opening structure comprises a first fan-shaped guide rail, and a fan-shaped sliding block is connected to the first fan-shaped guide rail in a sliding manner; the fan-shaped sliding block and the first fan-shaped guide rail are both connected with a connecting plate, and the connecting plate is connected with a middle supporting block; both ends of the middle supporting block are rotatably connected with side supporting blocks, and the opening structure is provided with an adjusting structure capable of driving the side supporting blocks on the same side of the middle supporting block to synchronously rotate; the expansion device comprises a first expansion structure and a second expansion structure corresponding to the first expansion structure, and the first expansion structure rotates clockwise to drive the fan-shaped sliding block to slide and expand along the first fan-shaped guide rail; the invention effectively solves the problem of poor use effect of the existing expansion support.
Description
Technical Field
The invention belongs to the technical field of medical instruments, relates to an expansion support, and particularly relates to an expansion support for oral implantation repair.
Background
The dental implant restoration belongs to a more advanced dental implant mode, and can effectively improve the phenomenon of tooth loss or tooth damage. The oral implantation is a mature technology and has good effect on tooth treatment. Can restore the normal chewing function of the teeth, and when the oral implant is carried out, a proper implant material is selected according to the tooth condition and the alveolar bone condition of the teeth. After the planting, the oral cavity part needs to be kept clean and sanitary, hard or sticky food is not eaten as much as possible in diet, and the patient needs to go to a hospital regularly for reexamination.
When the patient is planted in the oral cavity, the upper and lower teeth of the patient need to be supported by the corresponding expansion supporters, so that the purposes of opening the oral cavity of the patient and facilitating the examination and treatment of medical staff are achieved; when the existing expansion support is used, the middle of the teeth of a patient is mostly supported, but the middle of the teeth of the patient is supported, so that the visual field of medical staff for treatment is greatly influenced, and the treatment efficiency of the medical staff is influenced; in addition, when the existing expansion support is used and expanded, the opening and closing speed of the existing expansion support is consistent, the speed is completely adjusted by hand feeling of medical workers, the opening and closing speed of the medical workers to the oral cavity of a patient is easily influenced, the comfort of the patient is influenced, and the oral cavity of the patient cannot be effectively supported.
Disclosure of Invention
Aiming at the situation, in order to overcome the defects of the prior art, the invention provides the expansion support for the oral implant restoration, and the problem of poor use effect of the existing expansion support is effectively solved.
In order to achieve the purpose, the invention adopts the following technical scheme: an expansion supporter for oral implantation restoration comprises a shell, wherein an expansion device is arranged in the shell, and a supporting device is connected to the expansion device; the supporting device comprises an opening structure, and the opening structure is detachably connected with a supporting structure; the opening structure comprises a first fan-shaped guide rail, and a fan-shaped sliding block is connected to the first fan-shaped guide rail in a sliding manner; the fan-shaped sliding block and the first fan-shaped guide rail are both connected with a connecting plate, and the connecting plate is connected with a middle supporting block; both ends of the middle supporting block are rotatably connected with side supporting blocks, and the opening structure is provided with an adjusting structure capable of driving the side supporting blocks on the same side of the middle supporting block to synchronously rotate;
the expanding device comprises a first expanding structure and a second expanding structure corresponding to the first expanding structure, the first expanding structure can drive the fan-shaped sliding block to open and close along the quick sliding of the first fan-shaped guide rail, and the second expanding structure can drive the fan-shaped sliding block to open and close along the slow sliding of the first fan-shaped guide rail.
Further, the first expandable structure includes a first distraction assembly and a first drive assembly coupled to the first distraction assembly; the second expansion structure comprises a second driving assembly, a second opening assembly connected with the first opening assembly is connected to the second driving assembly, and a synchronous gear set with a one-way transmission function and connected with the second opening assembly is connected to the first opening assembly.
Furthermore, the first opening assembly comprises a main shaft which is rotatably connected with the shell, the main shaft is connected with the first driving assembly, and a crank is connected to the main shaft; the crank is connected with an adjusting slide block in a sliding manner, and the second opening assembly can drive the adjusting slide block to slide along the crank; a vertical guide rod is fixedly connected in the shell, and a transverse slide rail is connected on the vertical guide rod in a sliding manner; the lifting slide block is connected with the adjusting slide block in a sliding manner, and the lifting slide block drives the transverse slide rail to slide along the vertical guide rod through the adjusting slide block; the transverse sliding rail is provided with a connecting sliding groove for driving the fan-shaped sliding block to slide along the first fan-shaped guide rail, and the fan-shaped sliding block is provided with a pin shaft matched with the connecting sliding groove.
Furthermore, the second opening assembly comprises a rotating disc which is rotatably connected with the shell, a sliding groove is formed in the rotating disc, the sliding groove is of a circle of vortex line structure, and the sliding groove is communicated end to end; the adjusting slide block is provided with an adjusting shaft matched with the sliding chute, and the sliding chute drives the adjusting slide block to slide along the crank through the adjusting shaft; the rotating disc is connected with an adjusting gear, the adjusting gear is meshed with a driving wheel, and the driving wheel is connected with the second driving assembly.
Furthermore, the first driving assembly and the second driving assembly have the same structure, and both the first driving assembly and the second driving assembly comprise rotating handles which are rotatably connected with the shell; the shell is rotatably connected with a bidirectional ratchet wheel, the bidirectional ratchet wheel is connected with a corresponding driving wheel and a corresponding main shaft, a conversion pawl matched with the bidirectional ratchet wheel is rotatably connected to a rotating handle, and the middle part of the conversion pawl is rotatably connected with the rotating handle; the middle part of the conversion pawl is connected with a deflector rod, the rotating handle is connected with a limiting barrel, a limiting rod for limiting the conversion pawl is connected in the limiting barrel in a sliding mode, and a top spring matched with the limiting rod is arranged in the limiting barrel.
Furthermore, the synchronous gear set comprises an upper synchronous wheel fixedly connected with the main shaft, and an upper idle wheel is meshed on the upper synchronous wheel; the upper idler wheel is coaxially and fixedly connected with a lower idler wheel, and the lower idler wheel is meshed with a lower synchronous wheel; the lower synchronizing wheel is connected with a one-way transmission assembly, the one-way transmission assembly is connected with a rotating drum fixedly connected with the rotating disc, and the rotating drum is sleeved on the main shaft; the one-way transmission assembly comprises an inner ratchet wheel fixedly connected with the lower synchronizing wheel, the rotary drum is connected with a connecting disc, an inner pawl meshed with the inner ratchet wheel is rotatably connected to the connecting disc, and an inner reset spring matched with the inner pawl is arranged on the connecting disc.
Furthermore, the supporting structure comprises an upper bite block and a lower bite block corresponding to the upper bite block, two end parts of the upper bite block are rotatably connected with telescopic rods, and the other end of each telescopic rod is rotatably connected with the lower bite block; tooth sockets are arranged on the upper tooth cushion and the lower tooth cushion, and mounting blocks are arranged on the surfaces of the upper tooth cushion and the lower tooth cushion away from the tooth sockets; the side supporting blocks are provided with arc grooves matched with the mounting blocks, and the ends of the upper bite block and the lower bite block close to the middle supporting block are also provided with limiting blocks.
Furthermore, the telescopic rod comprises a telescopic cylinder which is rotationally connected with the upper bite block, and a slide rod which is rotationally connected with the lower bite block is slidably connected in the telescopic cylinder; the telescopic cylinder is rotatably connected with a gear, and the sliding rod is connected with a rack meshed with the gear; the gear is coaxially and fixedly connected with a limiting ratchet wheel, a limiting pawl meshed with the limiting ratchet wheel is rotatably connected to the telescopic cylinder, and a torsion spring matched with the limiting pawl is arranged on the telescopic cylinder.
Furthermore, the adjusting structure comprises a pair of connecting blocks in sliding connection with the shell, clamping blocks are rotatably connected to the pair of connecting blocks, a traction block is connected to each clamping block, and a clamping groove matched with each clamping block is formed in the shell; the pair of connecting blocks are connected with second fan-shaped guide rails, and the second fan-shaped guide rails are connected with synchronous blocks in a sliding manner; the synchronous block and the connecting block are both rotatably connected with a traction rod, the side supporting block is connected with a rotating rod, and the rotating rod is rotatably connected with the traction rod.
Compared with the prior art, the invention has the following beneficial effects:
1. when the medical support is used, the support structure is arranged on the opening structure according to the condition of a patient, the support structure is opened through the opening structure to support the oral cavity on one side of the patient, so that medical staff can conveniently treat the middle part and the other side of the oral cavity of the patient, and the operation visual field of the medical staff is improved; after supporting, through adjusting the structure and will not install bearing structure's well supporting shoe and rotate certain angle, be convenient for take out the structure of opening from the patient oral cavity, improve the operation convenience of this application.
2. When the mouth support is used, the first expansion structure and the second expansion structure are matched for use, so that the expansion structure can be quickly expanded when being expanded, and slowly expanded after being quickly expanded, so that the support structure is in close contact with the oral cavity of a patient; first expansion structure and second expansion structure cooperate and use, not only make this application can be quick support patient's oral cavity, can make moreover support inseparabler effective more, improve the support effect of this application.
Drawings
FIG. 1 is a first isometric view of the present invention;
FIG. 2 is a second isometric view of the present invention;
FIG. 3 is a schematic view of the internal structure of the present invention;
FIG. 4 is a first isometric view of the stent of the present invention;
FIG. 5 is a second isometric view of the stent of the present invention;
FIG. 6 is a schematic structural diagram of a first driving assembly according to the present invention;
FIG. 7 is a first isometric view of the cooperative arrangement of the first splay assembly, the second splay assembly, and the synchronizing gear set of the present invention;
FIG. 8 is a second isometric view of the cooperative arrangement of the first splay assembly, the second splay assembly, and the synchronizing gear set of the present invention;
FIG. 9 is a schematic structural view of a synchronizing gear set according to the present invention;
FIG. 10 is a schematic structural view of a unidirectional flux assembly of the present invention;
FIG. 11 is a schematic view of the support device of the present invention;
FIG. 12 is a schematic view of the structure of the adjustment mechanism of the present invention;
FIG. 13 is a schematic structural view of a support structure according to the present invention;
FIG. 14 is a schematic view of the internal structure of the telescopic rod of the present invention;
FIG. 15 is an enlarged view of area A of FIG. 14 according to the present invention;
in the figure: 1. the device comprises a shell, 2, an expansion device, 201, a first driving assembly, 202, an adjusting gear, 203, a second driving assembly, 204, a synchronous gear set, 205, a transverse sliding rail, 206, a crank, 207, a vertical guide rod, 208, a rotating disc, 209, a driving wheel, 210, a connecting sliding groove, 211, a sliding groove, 212, a rotating handle, 213, a conversion pawl, 214, a bidirectional ratchet wheel, 215, a main shaft, 216, a limiting cylinder, 217, an adjusting sliding block, 218, a lifting sliding block, 219, an upper synchronous wheel, 220, a lower synchronous wheel, 221, an upper idle wheel, 222, a lower idle wheel, 223, a unidirectional transmission assembly, 224, a rotating cylinder, 225, a connecting disc, 226, an inner ratchet wheel, 227, an inner ratchet claw, 228 and an inner reset spring; 3. the adjusting structure comprises an adjusting structure 301, a traction block 302, a connecting block 303, a traction rod 304, a second fan-shaped guide rail 305 and a synchronizing block; 4. the device comprises a flaring structure 401, a first fan-shaped guide rail 402, a fan-shaped sliding block 403, a middle supporting block 404, a side supporting block 405 and a connecting plate; 5. the device comprises a supporting structure 501, an upper dental pad 502, a telescopic rod 503, a lower dental pad 504, a mounting block 505, a limiting block 506, a sliding rod 507, a limiting ratchet wheel 508, a rack 509, a gear 510 and a limiting pawl; 6. a handle.
Detailed Description
An expansion support for oral implantation restoration, as shown in fig. 1-15, comprises a shell 1, a handle 6 is arranged on the shell 1, an expansion device 2 is arranged in the shell 1, and a support device is connected to the expansion device 2; the supporting device comprises an opening structure 4, and a supporting structure 5 is detachably connected to the opening structure 4; the flaring structure 4 comprises a first fan-shaped guide rail 401, and a fan-shaped sliding block 402 is connected on the first fan-shaped guide rail 401 in a sliding manner; the sector sliding block 402 and the first sector guide rail 401 are both connected with a connecting plate 405, and the connecting plate 405 is connected with a middle supporting block 403; both ends of the middle supporting block 403 are rotatably connected with side supporting blocks 404, and the opening structure 4 is provided with an adjusting structure 3 which can drive the side supporting blocks 404 on the same side of the pair of middle supporting blocks 403 to synchronously rotate; according to the condition of a patient, the supporting structure 5 is arranged on the opening structure 4, the supporting structure 5 is opened through the opening structure 4 to support the oral cavity on one side of the patient, so that medical workers can conveniently treat the middle part and the other side of the oral cavity of the patient, and the operation visual field of the medical workers is improved; after the supporting is finished, the middle supporting block 403 without the supporting structure 5 is rotated by a certain angle through the adjusting structure 3, so that the opening structure 4 can be conveniently taken out of the oral cavity of the patient, and the operation convenience of the application is improved.
The expansion device 2 comprises a first expansion structure and a second expansion structure corresponding to the first expansion structure, the first expansion structure can drive the fan-shaped sliding block 402 to rapidly slide along the first fan-shaped guide rail 401 to open and close, and the second expansion structure can drive the fan-shaped sliding block 402 to slowly slide along the first fan-shaped guide rail 401 to open and close; the first expansion structure and the second expansion structure are matched for use, so that the opening structure 4 can be quickly opened when opened, and can be slowly opened after being quickly opened, so that the support structure 5 is in close contact with the oral cavity of a patient, and the patient can feel more comfortable; the first expansion structure and the second expansion structure are matched for use, so that the oral cavity of a patient can be quickly supported, the support can be more compact and effective, and the support effect of the application is improved; in addition, the first expansion structure and the second expansion structure are matched for use, the opening structure 4 and the supporting structure 5 can be separated through slow closure, then the quick closure of the opening structure 4 can be used for quickly removing the opening structure 4, and the comfort of a patient can be effectively improved.
Further, the first expandable structure includes a first distraction assembly and a first driving assembly 201 connected to the first distraction assembly; the second expansion structure comprises a second driving assembly 203, a second expansion assembly connected with the first expansion assembly is connected to the second driving assembly 203, and a synchronous gear set 204 with a one-way transmission function and connected with the second expansion assembly is connected to the first expansion assembly.
Further, as shown in fig. 5 and 7, the first opening assembly includes a main shaft 215 rotatably connected to the housing 1, the main shaft 215 is connected to the first driving assembly 201, and a crank 206 is connected to the main shaft 215; the crank 206 is connected with an adjusting slide block 217 in a sliding manner, and the second opening assembly can drive the adjusting slide block 217 to slide along the crank 206; a vertical guide rod 207 is fixedly connected in the shell 1, and a transverse slide rail 205 is connected on the vertical guide rod 207 in a sliding manner; the transverse sliding rail 205 is connected with a lifting slide block 218 in a sliding manner, the lifting slide block 218 is rotatably connected with an adjusting slide block 217, and the lifting slide block 218 drives the transverse sliding rail 205 to slide along the vertical guide rod 207 through the adjusting slide block 217; the transverse slide rail 205 is provided with a connecting slide slot 210 for driving the fan-shaped slide block 402 to slide along the first fan-shaped guide rail 401, and the fan-shaped slide block 402 is provided with a pin shaft matched with the connecting slide slot 210.
When the first unfolding component is used, when the first driving component 201 drives the main shaft 215 to rotate clockwise, the main shaft 215 drives the crank 206 to rotate; meanwhile, the main shaft 215 drives the second opening component to rotate with the crank 206 through the synchronous gear set 204; the crank 206 drives the transverse slide rail 205 to slide along the vertical guide rod 207 through the adjusting slide block 217 and the lifting slide block 218, and the transverse slide rail 205 is matched with the pin shaft through the connecting slide groove 210 to drive the fan-shaped slide block 402 to slide along the first fan-shaped guide rail 401; when the first driving assembly 201 drives the main shaft 215 to rotate counterclockwise, the main shaft 215 drives the crank 206 to rotate; at this point, the second opening assembly is stationary due to the unidirectional transmissibility of the synchronizing gear set 204.
Further, as shown in fig. 4, 5, and 7, the second opening assembly includes a rotating disc 208 rotatably connected to the housing 1, a sliding slot 211 is formed in the rotating disc 208, the sliding slot 211 has a spiral line structure, and the sliding slots 211 are communicated end to end; an adjusting shaft matched with the sliding groove 211 is arranged on the adjusting slide block 217, and the sliding groove 211 drives the adjusting slide block 217 to slide along the crank 206 through the adjusting shaft; the rotating disc 208 is connected with an adjusting gear 202, the adjusting gear 202 is engaged with a driving wheel 209, the driving wheel 209 is connected with the second driving assembly 203, and the driving wheel 209 and the adjusting gear 202 are matched to form a speed reduction gear set, so that when the second driving assembly 203 is used, the driving wheel 209 and the adjusting gear 202 are matched to slowly drive the rotating disc 208 to rotate.
As shown in fig. 3 and 5, in order to rotate the crank 206 by 45 degrees, the spreading structure 4 opened by the crank 206 is in a slightly-spread state, when the crank 206 rotates by 90 degrees, the spreading structure 4 opened by the crank 206 is in a half-spread state, and when the crank 206 rotates by 180 degrees, the spreading structure 4 opened by the crank 206 is in a fully-spread state; when the crank 206 is between 0 and 90 degrees, the rotating disc 208 rotates, so that the actual length of the crank 206 can be adjusted, that is, the crank 206 can be opened to the opening structure 4 opening amplitude; when the crank 206 is between 90 and 180 degrees and the rotating disc 208 rotates, the purpose of fine adjustment of the opening structure 4 can be realized; when the adjustable length crank is used, the crank 206 can be firstly rotated by 90 degrees, if the opening angle of the opening structure 4 is smaller, the crank 206 can be adjusted through the rotation of the rotating disc 208, and then the crank 206 can be opened to the opening degree of the opening structure 4.
When the second stretching assembly is used, the second driving assembly 203 drives the adjusting gear 202 to rotate through the driving wheel 209, and the adjusting gear 202 drives the rotating disc 208 to rotate; when the rotating disc 208 rotates clockwise, the crank 206 is fixed due to the one-way transmissibility of the synchronous gear set 204, and the rotating disc 208 is matched with the adjusting shaft through the sliding groove 211 with a volute structure to drive the adjusting slider 217 to slide along the crank 206, so that the aim of fine adjustment of the opening progress of the opening structure 4 is fulfilled; when the rotating disc 208 rotates counterclockwise, the crank 206 rotates along with the rotating disc 208 due to the one-way transmissibility of the synchronous gear set 204, and in addition, the opening structure 4 is slowly closed due to the deceleration action of the driving wheel 209 and the adjusting gear 202; when the main shaft 215 rotates counterclockwise, the main shaft 215 drives the crank 206 to rotate, the rotating disc 208 is fixed, the adjusting slider 217 slides along the crank 206 under the action of the rotating disc 208, the actual length of the crank 206 is reduced, the closing speed of the opening structure 4 driven by the crank 206 is lower than the opening speed of the opening structure 4 driven by the crank 206, and the disassembling stability of the opening structure 4 is improved.
Further, as shown in fig. 6, the first driving assembly 201 and the second driving assembly 203 are identical in structure, and each of the first driving assembly 201 and the second driving assembly 203 includes a rotating handle 212 rotatably connected to the housing 1; a bidirectional ratchet wheel 214 is rotatably connected to the shell 1, the bidirectional ratchet wheel 214 is connected with a corresponding driving wheel 209 and a main shaft 215, a conversion pawl 213 matched with the bidirectional ratchet wheel 214 is rotatably connected to the rotating handle 212, and the middle part of the conversion pawl 213 is rotatably connected with the rotating handle 212; a shifting rod is connected to the middle of the conversion pawl 213, a limiting cylinder 216 is connected to the rotating handle 212, a limiting rod for limiting the conversion pawl 213 is connected in the limiting cylinder 216 in a sliding manner, and a top spring matched with the limiting rod is arranged in the limiting cylinder 216; the shifting pawl 213 is driven by the shifting lever to cooperate with the bidirectional ratchet 214, so that the rotating handle 212 drives the bidirectional ratchet 214 to rotate through the shifting pawl 213, and the shifting pawl 213 is limited by the limiting cylinder 216, the limiting rod and the top spring.
Further, as shown in fig. 8-10, the synchronizing gear set 204 includes an upper synchronizing wheel 219 fixedly connected to the main shaft 215, and an upper idle wheel 221 is engaged with the upper synchronizing wheel 219; the upper idle wheel 221 is coaxially and fixedly connected with a lower idle wheel 222, and the lower idle wheel 222 is meshed with a lower synchronous wheel 220; the lower synchronizing wheel 220 is connected with a one-way transmission component 223, the one-way transmission component 223 is connected with a rotating drum 224 fixedly connected with the rotating disc 208, and the rotating drum 224 is sleeved on the main shaft 215; the one-way transmission component 223 comprises an inner ratchet wheel 226 fixedly connected with the lower synchronous wheel 220, a connecting disc 225 is connected to the rotating drum 224, an inner pawl 227 meshed with the inner ratchet wheel 226 is rotatably connected to the connecting disc 225, and an inner reset spring 228 matched with the inner pawl 227 is arranged on the connecting disc 225.
The crank 206 and the rotating disc 208 can synchronously rotate through the matching of the upper synchronizing wheel 219, the upper idle wheel 221, the lower idle wheel 222 and the lower synchronizing wheel 220, and the spindle 215 can drive the rotary drum 224 and the rotating disc 208 to rotate clockwise through the arrangement of the connecting disc 225, the inner ratchet wheel 226 and the inner ratchet 227; the drum 224 and the rotating disc 208 can rotate the main shaft 215 and the crank 206 in the counterclockwise direction.
Further, as shown in fig. 13, the supporting structure 5 includes an upper bite block 501 and a lower bite block 503 corresponding to the upper bite block 501, two ends of the upper bite block 501 are rotatably connected with a telescopic rod 502, and the other end of the telescopic rod 502 is rotatably connected with the lower bite block 503; tooth sockets are arranged on the upper tooth cushion 501 and the lower tooth cushion 503, and mounting blocks 504 are arranged on the surfaces of the upper tooth cushion 501 and the lower tooth cushion 503 away from the tooth sockets; the side supporting blocks 404 are provided with arc-shaped grooves matched with the mounting blocks 504, and the ends of the upper bite block 501 and the lower bite block 503 close to the middle supporting block 403 are also provided with limiting blocks 505; when the expanding structure 4 is expanded, the upper bite block 501 and the lower bite block 503 are changed along with the rotation of the side support block 404 through the expansion link 502, and the upper bite block 501 and the lower bite block 503 are supported by the expansion link 502, and the upper teeth and the lower teeth of the patient are supported by the tooth sockets on the upper bite block 501 and the lower bite block 503.
Further, as shown in fig. 14 and 15, the telescopic rod 502 includes a telescopic cylinder rotatably connected to the upper bite block 501, and a sliding rod 506 rotatably connected to the lower bite block 503 is slidably connected to the telescopic cylinder; a gear 509 is rotatably connected to the telescopic cylinder, and a rack 508 meshed with the gear 509 is connected to the sliding rod 506; the gear 509 is coaxially and fixedly connected with a limiting ratchet 507, the telescopic cylinder is rotatably connected with a limiting pawl 510 meshed with the limiting ratchet 507, and the telescopic cylinder is provided with a torsion spring matched with the limiting pawl 510; the gear 509 is limited by the matching of the limiting pawl 510 and the limiting ratchet 507, and the gear 509 and the rack 508 are meshed to limit and fix the sliding rod 506, so that the stability of the telescopic rod 502 is improved.
Further, as shown in fig. 12, the adjusting structure 3 includes a pair of connecting blocks 302 slidably connected to the housing 1, a pair of the connecting blocks 302 are rotatably connected to a fixture block, the fixture block is connected to a traction block 301, and the housing 1 is provided with a slot matched with the fixture block; the pair of connecting blocks 302 are both connected with second fan-shaped guide rails 304, and the second fan-shaped guide rails 304 are both connected with synchronizing blocks 305 in a sliding manner; the synchronous block 305 and the connecting block 302 are both rotatably connected with a traction rod 303, the side supporting block 404 is connected with a rotating rod, and the rotating rod is rotatably connected with the traction rod 303; the traction block 301, the clamping block and the connecting block 302 are matched to drive the traction rod 303 to move, the traction rod 303 drives the side supporting block 404 to rotate through the rotating rod, the side supporting block 404 is limited and fixed through the matching of the clamping groove and the clamping block, and the stability of the side supporting block 404 is improved.
The working process of the invention is as follows:
when the invention is used, according to the condition of a patient, the upper bite block 501 and the lower bite block 503 are arranged on the corresponding side supporting blocks 404 through the matching of the mounting blocks 504 and the arc-shaped grooves; the opening structure 4 is initially adjusted, so that the conversion pawl 213 on the first driving assembly 201 is matched with the bidirectional ratchet wheel 214, and the rotating handle 212 drives the bidirectional ratchet wheel 214 to rotate clockwise through the conversion pawl 213; the bidirectional ratchet 214 drives the upper synchronous wheel 219 to rotate through the main shaft 215, and the upper synchronous wheel 219 drives the inner ratchet 226 to rotate through the cooperation of the upper idle wheel 221, the lower idle wheel 222 and the lower synchronous wheel 220; the inner ratchet wheel 226 drives the rotating drum 224 to rotate through the inner pawl 227 and the connecting disc 225; the main shaft 215 drives the crank 206 to rotate by 90 degrees, the rotary drum 224 drives the rotary disc 208 to rotate along with the crank 206, the crank 206 drives the transverse slide rail 205 to slide along the vertical guide rod 207 through the adjusting slide block 217 and the lifting slide block 218, and the transverse slide rail 205 is matched with the pin shaft through the connecting slide groove 210 to drive the sector slide block 402 to slide along the first sector guide rail 401; the sector-shaped sliding block 402 drives the middle supporting block 403 to rotate through the connecting plate 405, and the middle supporting block 403 drives the side supporting blocks 404 to rotate.
Medical personnel can observe the rotation amplitude of the sector sliding block 402, if the rotation amplitude is small, the conversion pawl 213 on the second driving assembly 203 can be matched with the bidirectional ratchet wheel 214, the rotating handle 212 drives the bidirectional ratchet wheel 214 to rotate anticlockwise through the conversion pawl 213, and the bidirectional ratchet wheel 214 is meshed with the adjusting gear 202 through the driving wheel 209 to drive the rotating disc 208 to rotate clockwise; when the rotating disc 208 rotates clockwise, the crank 206 is fixed due to the one-way transmissibility of the inner ratchet 226 and the inner pawl 227, and the rotating disc 208 is matched with the adjusting shaft through the chute 211 with a vortex line structure to drive the adjusting slider 217 to slide along the crank 206, so that the purpose of changing the actual length of the crank 206 is realized, and the fan-shaped slider 402 can be driven to move more quickly when the crank 206 continues to rotate; at this point, the medical practitioner places the side support blocks 404, upper bite block 501, and lower bite block 503 into the patient's mouth in correspondence with the patient's teeth.
And (3) a supporting process: the patient enlarges the oral cavity, so that the conversion pawl 213 on the first driving assembly 201 is matched with the bidirectional ratchet wheel 214, and the rotary handle 212 drives the bidirectional ratchet wheel 214 to rotate clockwise through the conversion pawl 213; the bidirectional ratchet 214 drives the upper synchronous wheel 219 to rotate through the main shaft 215, and the upper synchronous wheel 219 drives the inner ratchet 226 to rotate through the cooperation of the upper idle wheel 221, the lower idle wheel 222 and the lower synchronous wheel 220; the inner ratchet wheel 226 drives the rotating drum 224 to rotate through the inner pawl 227 and the connecting disc 225; the rotating drum 224 drives the rotating disc 208 to rotate along with the crank 206, the crank 206 drives the transverse slide rail 205 to slide along the vertical guide rod 207 through the adjusting slide block 217 and the lifting slide block 218, and the transverse slide rail 205 is matched with the pin shaft through the connecting slide groove 210 to drive the fan-shaped slide block 402 to slide along the first fan-shaped guide rail 401; the sector-shaped sliding block 402 drives the middle supporting block 403 to rotate through the connecting plate 405, and the middle supporting block 403 drives the side supporting blocks 404 to rotate.
The side supporting block 404 rotates, the side supporting block 404 drives the lower bite block 503 to move, and the lower bite block 503 drives the sliding rod 506 to slide along the telescopic cylinder; at the same time, the sliding rod 506 drives the gear 509 to rotate through the rack 508, the gear 509 drives the limit ratchet 507 to rotate, and the limit pawl 510 slides along the spine of the limit ratchet 507. After the lower bite block 503 contacts with the lower teeth of the patient, the switching pawl 213 of the second driving assembly 203 is matched with the bidirectional ratchet wheel 214, the rotating handle 212 drives the bidirectional ratchet wheel 214 to rotate anticlockwise through the switching pawl 213, and the bidirectional ratchet wheel 214 is meshed with the adjusting gear 202 through the driving wheel 209 to drive the rotating disc 208 to rotate clockwise; when the rotating disc 208 rotates clockwise, the crank 206 is fixed due to the one-way transmissibility of the inner ratchet 226 and the inner pawl 227, and the rotating disc 208 is matched with the adjusting shaft through the sliding groove 211 with a vortex line structure to drive the adjusting slider 217 to slide along the crank 206; the adjusting slide block 217 drives the transverse slide rail 205 to slide along the vertical guide rod 207 through the lifting slide block 218, the transverse slide rail 205 is matched with the pin shaft through the connecting slide groove 210 to drive the fan-shaped slide block 402 to slide along the first fan-shaped guide rail 401, and therefore the purpose of fine adjustment of the opening progress of the opening structure 4 is achieved; the lower dental pad 503 and the upper dental pad 501 are brought into close contact with the patient's teeth, and the opening process is completed.
Reversely poking the poking rod on the second driving component 203 and the first driving component 201 to shift the shifting pawl 213 to the other side to contact with the bidirectional ratchet 214; continuing to operate the rotating handle 212 on the second driving assembly 203, the rotating handle 212 drives the bidirectional ratchet wheel 214 to rotate clockwise through the switching pawl 213, and the bidirectional ratchet wheel 214 is meshed with the adjusting gear 202 through the driving wheel 209 to drive the rotating disc 208 to rotate counterclockwise; when the rotating disc 208 rotates counterclockwise, the crank 206 rotates along with the rotating disc 208 due to the one-way transmissibility of the synchronous gear set 204, and in addition, the opening structure 4 is slowly closed due to the speed reduction action of the driving wheel 209 and the adjusting gear 202, so that the side support blocks 404 are separated from the upper bite block 501 and the lower bite block 503; the rotating handle 212 on the first driving assembly 201 is operated, the rotating handle 212 drives the bidirectional ratchet 214 to rotate counterclockwise through the switching pawl 213, the main shaft 215 drives the crank 206 to rotate, the rotating disc 208 is fixed, the adjusting slider 217 slides along the crank 206 under the action of the rotating disc 208, the actual length of the crank 206 is reduced, and the speed of the crank 206 driving the opening structure 4 to close is slower than the speed of the crank 206 driving the opening structure 4 to open.
After the opening structure 4 is closed, the traction block 301, the fixture block and the connecting block 302 are matched to drive the traction rod 303 to move, and the traction rod 303 drives the side support block 404 on the side where the support structure 5 is not installed to rotate through a rotating rod; slide along telescopic link 502 through the arc wall, make open structure 4 take out from the patient oral cavity, improve the operation convenience of this application.
Claims (9)
1. The utility model provides an oral implantation is restoreed and is used expansion eyelidretractor which characterized in that: comprises a shell (1), an expansion device (2) is arranged in the shell (1), and a supporting device is connected on the expansion device (2); the supporting device comprises an opening structure (4), and a supporting structure (5) is detachably connected to the opening structure (4); the opening structure (4) comprises a first fan-shaped guide rail (401), and a fan-shaped sliding block (402) is connected to the first fan-shaped guide rail (401) in a sliding manner; the fan-shaped sliding block (402) and the first fan-shaped guide rail (401) are both connected with a connecting plate (405), and the connecting plate (405) is connected with a middle supporting block (403); both ends of the middle supporting block (403) are rotatably connected with side supporting blocks (404), and the opening structure (4) is provided with an adjusting structure (3) which can drive the side supporting blocks (404) on the same side of the middle supporting block (403) to synchronously rotate;
expanding unit (2) include first expansion structure and the corresponding second expansion structure of first expansion structure, and first expansion structure can drive fan-shaped slider (402) and open the closure along the quick slip of first fan-shaped guide rail (401), and the second expansion structure can drive fan-shaped slider (402) and open the closure along the slow slip of first fan-shaped guide rail (401).
2. The expanding supporter for dental implant restoration according to claim 1, wherein: the first expandable structure includes a first flaring assembly and a first drive assembly (201) coupled to the first flaring assembly; the second expansion structure comprises a second driving assembly (203), a second expanding assembly connected with the first expanding assembly is connected onto the second driving assembly (203), and a synchronous gear set (204) with a one-way transmission function and connected with the second expanding assembly is connected onto the first expanding assembly.
3. The expanding supporter for dental implant restoration according to claim 2, wherein: the first unfolding component comprises a main shaft (215) which is rotatably connected with the shell (1), the main shaft (215) is connected with the first driving component (201), and a crank (206) is connected to the main shaft (215); the crank (206) is connected with an adjusting slide block (217) in a sliding manner, and the second opening assembly can drive the adjusting slide block (217) to slide along the crank (206); a vertical guide rod (207) is fixedly connected in the shell (1), and a transverse sliding rail (205) is connected on the vertical guide rod (207) in a sliding manner; the horizontal sliding rail (205) is connected with a lifting slide block (218) in a sliding manner, the lifting slide block (218) is rotatably connected with an adjusting slide block (217), and the lifting slide block (218) drives the horizontal sliding rail (205) to slide along the vertical guide rod (207) through the adjusting slide block (217); the transverse sliding rail (205) is provided with a connecting sliding groove (210) which drives the fan-shaped sliding block (402) to slide along the first fan-shaped guide rail (401), and the fan-shaped sliding block (402) is provided with a pin shaft which is matched with the connecting sliding groove (210).
4. The expanding supporter for dental implant restoration according to claim 3, wherein: the second opening assembly comprises a rotating disc (208) which is rotatably connected with the shell (1), a sliding groove (211) is formed in the rotating disc (208), the sliding groove (211) is of a circle of vortex line structure, and the sliding grooves (211) are communicated end to end; an adjusting shaft matched with the sliding groove (211) is arranged on the adjusting sliding block (217), and the sliding groove (211) drives the adjusting sliding block (217) to slide along the crank (206) through the adjusting shaft; the rotating disc (208) is connected with an adjusting gear (202), the adjusting gear (202) is meshed with a driving wheel (209), and the driving wheel (209) is connected with the second driving assembly (203).
5. The expanding supporter for dental implant restoration according to claim 4, wherein: the first driving assembly (201) and the second driving assembly (203) are identical in structure, and the first driving assembly (201) and the second driving assembly (203) respectively comprise a rotating handle (212) which is rotatably connected with the shell (1); the shell (1) is rotatably connected with a bidirectional ratchet wheel (214), the bidirectional ratchet wheel (214) is connected with a corresponding driving wheel (209) and a main shaft (215), a conversion pawl (213) matched with the bidirectional ratchet wheel (214) is rotatably connected to a rotating handle (212), and the middle part of the conversion pawl (213) is rotatably connected with the rotating handle (212); the middle part of the conversion pawl (213) is connected with a shifting rod, the rotating handle (212) is connected with a limiting cylinder (216), the limiting cylinder (216) is internally and slidably connected with a limiting rod for limiting the conversion pawl (213), and a top spring matched with the limiting rod is arranged in the limiting cylinder (216).
6. The expanding supporter for dental implant restoration according to claim 5, wherein: the synchronous gear set (204) comprises an upper synchronous wheel (219) fixedly connected with the main shaft (215), and an upper idle wheel (221) is meshed on the upper synchronous wheel (219); the upper idle wheel (221) is coaxially and fixedly connected with a lower idle wheel (222), and the lower idle wheel (222) is meshed with a lower synchronous wheel (220); the lower synchronizing wheel (220) is connected with a one-way transmission component (223), the one-way transmission component (223) is connected with a rotating drum (224) fixedly connected with the rotating disc (208), and the rotating drum (224) is sleeved on the main shaft (215); the one-way transmission assembly (223) comprises an inner ratchet wheel (226) fixedly connected with the lower synchronous wheel (220), a connecting disc (225) is connected onto the rotary drum (224), an inner pawl (227) meshed with the inner ratchet wheel (226) is rotatably connected onto the connecting disc (225), and an inner reset spring (228) matched with the inner pawl (227) is arranged on the connecting disc (225).
7. The oral implant restoration expansion supporter according to any one of claims 1 or 6, wherein: the supporting structure (5) comprises an upper bite block (501) and a lower bite block (503) corresponding to the upper bite block (501), two ends of the upper bite block (501) are rotatably connected with telescopic rods (502), and the other ends of the telescopic rods (502) are rotatably connected with the lower bite block (503); tooth sockets are formed in the upper tooth cushion (501) and the lower tooth cushion (503), and mounting blocks (504) are arranged on the surfaces, far away from the tooth sockets, of the upper tooth cushion (501) and the lower tooth cushion (503); arc-shaped grooves matched with the mounting blocks (504) are formed in the side supporting blocks (404), and limiting blocks (505) are further arranged at one ends, close to the middle supporting block (403), of the upper bite block (501) and the lower bite block (503).
8. The expanding supporter for dental implant restoration according to claim 7, wherein: the telescopic rod (502) comprises a telescopic cylinder which is rotationally connected with the upper bite block (501), and a sliding rod (506) which is rotationally connected with the lower bite block (503) is connected in the telescopic cylinder in a sliding way; a gear (509) is rotatably connected to the telescopic cylinder, and a rack (508) meshed with the gear (509) is connected to the sliding rod (506); the gear (509) is coaxially and fixedly connected with a limiting ratchet wheel (507), the telescopic cylinder is rotatably connected with a limiting pawl (510) meshed with the limiting ratchet wheel (507), and the telescopic cylinder is provided with a torsion spring matched with the limiting pawl (510).
9. The expanding supporter for dental implant restoration according to claim 8, wherein: the adjusting structure (3) comprises a pair of connecting blocks (302) which are in sliding connection with the shell (1), clamping blocks are rotatably connected to the pair of connecting blocks (302), a traction block (301) is connected to each clamping block, and clamping grooves matched with the clamping blocks are formed in the shell (1); the pair of connecting blocks (302) are connected with second fan-shaped guide rails (304), and the second fan-shaped guide rails (304) are connected with synchronous blocks (305) in a sliding manner; the synchronous block (305) and the connecting block (302) are both rotatably connected with a traction rod (303), the side supporting block (404) is connected with a rotating rod, and the rotating rod is rotatably connected with the traction rod (303).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111348615.XA CN113854942A (en) | 2021-11-15 | 2021-11-15 | Expansion support for oral implantation restoration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111348615.XA CN113854942A (en) | 2021-11-15 | 2021-11-15 | Expansion support for oral implantation restoration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113854942A true CN113854942A (en) | 2021-12-31 |
Family
ID=78984701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111348615.XA Withdrawn CN113854942A (en) | 2021-11-15 | 2021-11-15 | Expansion support for oral implantation restoration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113854942A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115363653A (en) * | 2022-08-13 | 2022-11-22 | 渠强 | Breast augmentation prosthesis filling traction aid |
-
2021
- 2021-11-15 CN CN202111348615.XA patent/CN113854942A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115363653A (en) * | 2022-08-13 | 2022-11-22 | 渠强 | Breast augmentation prosthesis filling traction aid |
| CN115363653B (en) * | 2022-08-13 | 2024-04-30 | 渠强 | Filling traction aid for breast augmentation prosthesis |
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Application publication date: 20211231 |
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